xref: /openbmc/linux/drivers/hid/wacom_wac.c (revision 360823a09426347ea8f232b0b0b5156d0aed0302)
1  // SPDX-License-Identifier: GPL-2.0-or-later
2  /*
3   *  USB Wacom tablet support - Wacom specific code
4   */
5  
6  #include "wacom_wac.h"
7  #include "wacom.h"
8  #include <linux/input/mt.h>
9  #include <linux/jiffies.h>
10  
11  /* resolution for penabled devices */
12  #define WACOM_PL_RES		20
13  #define WACOM_PENPRTN_RES	40
14  #define WACOM_VOLITO_RES	50
15  #define WACOM_GRAPHIRE_RES	80
16  #define WACOM_INTUOS_RES	100
17  #define WACOM_INTUOS3_RES	200
18  
19  /* Newer Cintiq and DTU have an offset between tablet and screen areas */
20  #define WACOM_DTU_OFFSET	200
21  #define WACOM_CINTIQ_OFFSET	400
22  
23  /*
24   * Scale factor relating reported contact size to logical contact area.
25   * 2^14/pi is a good approximation on Intuos5 and 3rd-gen Bamboo
26   */
27  #define WACOM_CONTACT_AREA_SCALE 2607
28  
29  static bool touch_arbitration = 1;
30  module_param(touch_arbitration, bool, 0644);
31  MODULE_PARM_DESC(touch_arbitration, " on (Y) off (N)");
32  
33  static void wacom_report_numbered_buttons(struct input_dev *input_dev,
34  				int button_count, int mask);
35  
36  static int wacom_numbered_button_to_key(int n);
37  
38  static void wacom_update_led(struct wacom *wacom, int button_count, int mask,
39  			     int group);
40  
wacom_force_proxout(struct wacom_wac * wacom_wac)41  static void wacom_force_proxout(struct wacom_wac *wacom_wac)
42  {
43  	struct input_dev *input = wacom_wac->pen_input;
44  
45  	wacom_wac->shared->stylus_in_proximity = 0;
46  
47  	input_report_key(input, BTN_TOUCH, 0);
48  	input_report_key(input, BTN_STYLUS, 0);
49  	input_report_key(input, BTN_STYLUS2, 0);
50  	input_report_key(input, BTN_STYLUS3, 0);
51  	input_report_key(input, wacom_wac->tool[0], 0);
52  	if (wacom_wac->serial[0]) {
53  		input_report_abs(input, ABS_MISC, 0);
54  	}
55  	input_report_abs(input, ABS_PRESSURE, 0);
56  
57  	wacom_wac->tool[0] = 0;
58  	wacom_wac->id[0] = 0;
59  	wacom_wac->serial[0] = 0;
60  
61  	input_sync(input);
62  }
63  
wacom_idleprox_timeout(struct timer_list * list)64  void wacom_idleprox_timeout(struct timer_list *list)
65  {
66  	struct wacom *wacom = from_timer(wacom, list, idleprox_timer);
67  	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
68  
69  	if (!wacom_wac->hid_data.sense_state) {
70  		return;
71  	}
72  
73  	hid_warn(wacom->hdev, "%s: tool appears to be hung in-prox. forcing it out.\n", __func__);
74  	wacom_force_proxout(wacom_wac);
75  }
76  
77  /*
78   * Percent of battery capacity for Graphire.
79   * 8th value means AC online and show 100% capacity.
80   */
81  static unsigned short batcap_gr[8] = { 1, 15, 25, 35, 50, 70, 100, 100 };
82  
83  /*
84   * Percent of battery capacity for Intuos4 WL, AC has a separate bit.
85   */
86  static unsigned short batcap_i4[8] = { 1, 15, 30, 45, 60, 70, 85, 100 };
87  
__wacom_notify_battery(struct wacom_battery * battery,int bat_status,int bat_capacity,bool bat_charging,bool bat_connected,bool ps_connected)88  static void __wacom_notify_battery(struct wacom_battery *battery,
89  				   int bat_status, int bat_capacity,
90  				   bool bat_charging, bool bat_connected,
91  				   bool ps_connected)
92  {
93  	bool changed = battery->bat_status       != bat_status    ||
94  		       battery->battery_capacity != bat_capacity  ||
95  		       battery->bat_charging     != bat_charging  ||
96  		       battery->bat_connected    != bat_connected ||
97  		       battery->ps_connected     != ps_connected;
98  
99  	if (changed) {
100  		battery->bat_status = bat_status;
101  		battery->battery_capacity = bat_capacity;
102  		battery->bat_charging = bat_charging;
103  		battery->bat_connected = bat_connected;
104  		battery->ps_connected = ps_connected;
105  
106  		if (battery->battery)
107  			power_supply_changed(battery->battery);
108  	}
109  }
110  
wacom_notify_battery(struct wacom_wac * wacom_wac,int bat_status,int bat_capacity,bool bat_charging,bool bat_connected,bool ps_connected)111  static void wacom_notify_battery(struct wacom_wac *wacom_wac,
112  	int bat_status, int bat_capacity, bool bat_charging,
113  	bool bat_connected, bool ps_connected)
114  {
115  	struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
116  	bool bat_initialized = wacom->battery.battery;
117  	bool has_quirk = wacom_wac->features.quirks & WACOM_QUIRK_BATTERY;
118  
119  	if (bat_initialized != has_quirk)
120  		wacom_schedule_work(wacom_wac, WACOM_WORKER_BATTERY);
121  
122  	__wacom_notify_battery(&wacom->battery, bat_status, bat_capacity,
123  			       bat_charging, bat_connected, ps_connected);
124  }
125  
wacom_penpartner_irq(struct wacom_wac * wacom)126  static int wacom_penpartner_irq(struct wacom_wac *wacom)
127  {
128  	unsigned char *data = wacom->data;
129  	struct input_dev *input = wacom->pen_input;
130  
131  	switch (data[0]) {
132  	case 1:
133  		if (data[5] & 0x80) {
134  			wacom->tool[0] = (data[5] & 0x20) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
135  			wacom->id[0] = (data[5] & 0x20) ? ERASER_DEVICE_ID : STYLUS_DEVICE_ID;
136  			input_report_key(input, wacom->tool[0], 1);
137  			input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
138  			input_report_abs(input, ABS_X, get_unaligned_le16(&data[1]));
139  			input_report_abs(input, ABS_Y, get_unaligned_le16(&data[3]));
140  			input_report_abs(input, ABS_PRESSURE, (signed char)data[6] + 127);
141  			input_report_key(input, BTN_TOUCH, ((signed char)data[6] > -127));
142  			input_report_key(input, BTN_STYLUS, (data[5] & 0x40));
143  		} else {
144  			input_report_key(input, wacom->tool[0], 0);
145  			input_report_abs(input, ABS_MISC, 0); /* report tool id */
146  			input_report_abs(input, ABS_PRESSURE, -1);
147  			input_report_key(input, BTN_TOUCH, 0);
148  		}
149  		break;
150  
151  	case 2:
152  		input_report_key(input, BTN_TOOL_PEN, 1);
153  		input_report_abs(input, ABS_MISC, STYLUS_DEVICE_ID); /* report tool id */
154  		input_report_abs(input, ABS_X, get_unaligned_le16(&data[1]));
155  		input_report_abs(input, ABS_Y, get_unaligned_le16(&data[3]));
156  		input_report_abs(input, ABS_PRESSURE, (signed char)data[6] + 127);
157  		input_report_key(input, BTN_TOUCH, ((signed char)data[6] > -80) && !(data[5] & 0x20));
158  		input_report_key(input, BTN_STYLUS, (data[5] & 0x40));
159  		break;
160  
161  	default:
162  		dev_dbg(input->dev.parent,
163  			"%s: received unknown report #%d\n", __func__, data[0]);
164  		return 0;
165          }
166  
167  	return 1;
168  }
169  
wacom_pl_irq(struct wacom_wac * wacom)170  static int wacom_pl_irq(struct wacom_wac *wacom)
171  {
172  	struct wacom_features *features = &wacom->features;
173  	unsigned char *data = wacom->data;
174  	struct input_dev *input = wacom->pen_input;
175  	int prox, pressure;
176  
177  	if (data[0] != WACOM_REPORT_PENABLED) {
178  		dev_dbg(input->dev.parent,
179  			"%s: received unknown report #%d\n", __func__, data[0]);
180  		return 0;
181  	}
182  
183  	prox = data[1] & 0x40;
184  
185  	if (!wacom->id[0]) {
186  		if ((data[0] & 0x10) || (data[4] & 0x20)) {
187  			wacom->tool[0] = BTN_TOOL_RUBBER;
188  			wacom->id[0] = ERASER_DEVICE_ID;
189  		}
190  		else {
191  			wacom->tool[0] = BTN_TOOL_PEN;
192  			wacom->id[0] = STYLUS_DEVICE_ID;
193  		}
194  	}
195  
196  	/* If the eraser is in prox, STYLUS2 is always set. If we
197  	 * mis-detected the type and notice that STYLUS2 isn't set
198  	 * then force the eraser out of prox and let the pen in.
199  	 */
200  	if (wacom->tool[0] == BTN_TOOL_RUBBER && !(data[4] & 0x20)) {
201  		input_report_key(input, BTN_TOOL_RUBBER, 0);
202  		input_report_abs(input, ABS_MISC, 0);
203  		input_sync(input);
204  		wacom->tool[0] = BTN_TOOL_PEN;
205  		wacom->id[0] = STYLUS_DEVICE_ID;
206  	}
207  
208  	if (prox) {
209  		pressure = (signed char)((data[7] << 1) | ((data[4] >> 2) & 1));
210  		if (features->pressure_max > 255)
211  			pressure = (pressure << 1) | ((data[4] >> 6) & 1);
212  		pressure += (features->pressure_max + 1) / 2;
213  
214  		input_report_abs(input, ABS_X, data[3] | (data[2] << 7) | ((data[1] & 0x03) << 14));
215  		input_report_abs(input, ABS_Y, data[6] | (data[5] << 7) | ((data[4] & 0x03) << 14));
216  		input_report_abs(input, ABS_PRESSURE, pressure);
217  
218  		input_report_key(input, BTN_TOUCH, data[4] & 0x08);
219  		input_report_key(input, BTN_STYLUS, data[4] & 0x10);
220  		/* Only allow the stylus2 button to be reported for the pen tool. */
221  		input_report_key(input, BTN_STYLUS2, (wacom->tool[0] == BTN_TOOL_PEN) && (data[4] & 0x20));
222  	}
223  
224  	if (!prox)
225  		wacom->id[0] = 0;
226  	input_report_key(input, wacom->tool[0], prox);
227  	input_report_abs(input, ABS_MISC, wacom->id[0]);
228  	return 1;
229  }
230  
wacom_ptu_irq(struct wacom_wac * wacom)231  static int wacom_ptu_irq(struct wacom_wac *wacom)
232  {
233  	unsigned char *data = wacom->data;
234  	struct input_dev *input = wacom->pen_input;
235  
236  	if (data[0] != WACOM_REPORT_PENABLED) {
237  		dev_dbg(input->dev.parent,
238  			"%s: received unknown report #%d\n", __func__, data[0]);
239  		return 0;
240  	}
241  
242  	if (data[1] & 0x04) {
243  		input_report_key(input, BTN_TOOL_RUBBER, data[1] & 0x20);
244  		input_report_key(input, BTN_TOUCH, data[1] & 0x08);
245  		wacom->id[0] = ERASER_DEVICE_ID;
246  	} else {
247  		input_report_key(input, BTN_TOOL_PEN, data[1] & 0x20);
248  		input_report_key(input, BTN_TOUCH, data[1] & 0x01);
249  		wacom->id[0] = STYLUS_DEVICE_ID;
250  	}
251  	input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
252  	input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
253  	input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
254  	input_report_abs(input, ABS_PRESSURE, le16_to_cpup((__le16 *)&data[6]));
255  	input_report_key(input, BTN_STYLUS, data[1] & 0x02);
256  	input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
257  	return 1;
258  }
259  
wacom_dtu_irq(struct wacom_wac * wacom)260  static int wacom_dtu_irq(struct wacom_wac *wacom)
261  {
262  	unsigned char *data = wacom->data;
263  	struct input_dev *input = wacom->pen_input;
264  	int prox = data[1] & 0x20;
265  
266  	dev_dbg(input->dev.parent,
267  		"%s: received report #%d", __func__, data[0]);
268  
269  	if (prox) {
270  		/* Going into proximity select tool */
271  		wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
272  		if (wacom->tool[0] == BTN_TOOL_PEN)
273  			wacom->id[0] = STYLUS_DEVICE_ID;
274  		else
275  			wacom->id[0] = ERASER_DEVICE_ID;
276  	}
277  	input_report_key(input, BTN_STYLUS, data[1] & 0x02);
278  	input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
279  	input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
280  	input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
281  	input_report_abs(input, ABS_PRESSURE, ((data[7] & 0x01) << 8) | data[6]);
282  	input_report_key(input, BTN_TOUCH, data[1] & 0x05);
283  	if (!prox) /* out-prox */
284  		wacom->id[0] = 0;
285  	input_report_key(input, wacom->tool[0], prox);
286  	input_report_abs(input, ABS_MISC, wacom->id[0]);
287  	return 1;
288  }
289  
wacom_dtus_irq(struct wacom_wac * wacom)290  static int wacom_dtus_irq(struct wacom_wac *wacom)
291  {
292  	unsigned char *data = wacom->data;
293  	struct input_dev *input = wacom->pen_input;
294  	unsigned short prox, pressure = 0;
295  
296  	if (data[0] != WACOM_REPORT_DTUS && data[0] != WACOM_REPORT_DTUSPAD) {
297  		dev_dbg(input->dev.parent,
298  			"%s: received unknown report #%d", __func__, data[0]);
299  		return 0;
300  	} else if (data[0] == WACOM_REPORT_DTUSPAD) {
301  		input = wacom->pad_input;
302  		input_report_key(input, BTN_0, (data[1] & 0x01));
303  		input_report_key(input, BTN_1, (data[1] & 0x02));
304  		input_report_key(input, BTN_2, (data[1] & 0x04));
305  		input_report_key(input, BTN_3, (data[1] & 0x08));
306  		input_report_abs(input, ABS_MISC,
307  				 data[1] & 0x0f ? PAD_DEVICE_ID : 0);
308  		return 1;
309  	} else {
310  		prox = data[1] & 0x80;
311  		if (prox) {
312  			switch ((data[1] >> 3) & 3) {
313  			case 1: /* Rubber */
314  				wacom->tool[0] = BTN_TOOL_RUBBER;
315  				wacom->id[0] = ERASER_DEVICE_ID;
316  				break;
317  
318  			case 2: /* Pen */
319  				wacom->tool[0] = BTN_TOOL_PEN;
320  				wacom->id[0] = STYLUS_DEVICE_ID;
321  				break;
322  			}
323  		}
324  
325  		input_report_key(input, BTN_STYLUS, data[1] & 0x20);
326  		input_report_key(input, BTN_STYLUS2, data[1] & 0x40);
327  		input_report_abs(input, ABS_X, get_unaligned_be16(&data[3]));
328  		input_report_abs(input, ABS_Y, get_unaligned_be16(&data[5]));
329  		pressure = ((data[1] & 0x03) << 8) | (data[2] & 0xff);
330  		input_report_abs(input, ABS_PRESSURE, pressure);
331  		input_report_key(input, BTN_TOUCH, pressure > 10);
332  
333  		if (!prox) /* out-prox */
334  			wacom->id[0] = 0;
335  		input_report_key(input, wacom->tool[0], prox);
336  		input_report_abs(input, ABS_MISC, wacom->id[0]);
337  		return 1;
338  	}
339  }
340  
wacom_graphire_irq(struct wacom_wac * wacom)341  static int wacom_graphire_irq(struct wacom_wac *wacom)
342  {
343  	struct wacom_features *features = &wacom->features;
344  	unsigned char *data = wacom->data;
345  	struct input_dev *input = wacom->pen_input;
346  	struct input_dev *pad_input = wacom->pad_input;
347  	int battery_capacity, ps_connected;
348  	int prox;
349  	int rw = 0;
350  	int retval = 0;
351  
352  	if (features->type == GRAPHIRE_BT) {
353  		if (data[0] != WACOM_REPORT_PENABLED_BT) {
354  			dev_dbg(input->dev.parent,
355  				"%s: received unknown report #%d\n", __func__,
356  				data[0]);
357  			goto exit;
358  		}
359  	} else if (data[0] != WACOM_REPORT_PENABLED) {
360  		dev_dbg(input->dev.parent,
361  			"%s: received unknown report #%d\n", __func__, data[0]);
362  		goto exit;
363  	}
364  
365  	prox = data[1] & 0x80;
366  	if (prox || wacom->id[0]) {
367  		if (prox) {
368  			switch ((data[1] >> 5) & 3) {
369  
370  			case 0:	/* Pen */
371  				wacom->tool[0] = BTN_TOOL_PEN;
372  				wacom->id[0] = STYLUS_DEVICE_ID;
373  				break;
374  
375  			case 1: /* Rubber */
376  				wacom->tool[0] = BTN_TOOL_RUBBER;
377  				wacom->id[0] = ERASER_DEVICE_ID;
378  				break;
379  
380  			case 2: /* Mouse with wheel */
381  				input_report_key(input, BTN_MIDDLE, data[1] & 0x04);
382  				fallthrough;
383  
384  			case 3: /* Mouse without wheel */
385  				wacom->tool[0] = BTN_TOOL_MOUSE;
386  				wacom->id[0] = CURSOR_DEVICE_ID;
387  				break;
388  			}
389  		}
390  		input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
391  		input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
392  		if (wacom->tool[0] != BTN_TOOL_MOUSE) {
393  			if (features->type == GRAPHIRE_BT)
394  				input_report_abs(input, ABS_PRESSURE, data[6] |
395  					(((__u16) (data[1] & 0x08)) << 5));
396  			else
397  				input_report_abs(input, ABS_PRESSURE, data[6] |
398  					((data[7] & 0x03) << 8));
399  			input_report_key(input, BTN_TOUCH, data[1] & 0x01);
400  			input_report_key(input, BTN_STYLUS, data[1] & 0x02);
401  			input_report_key(input, BTN_STYLUS2, data[1] & 0x04);
402  		} else {
403  			input_report_key(input, BTN_LEFT, data[1] & 0x01);
404  			input_report_key(input, BTN_RIGHT, data[1] & 0x02);
405  			if (features->type == WACOM_G4 ||
406  					features->type == WACOM_MO) {
407  				input_report_abs(input, ABS_DISTANCE, data[6] & 0x3f);
408  				rw = (data[7] & 0x04) - (data[7] & 0x03);
409  			} else if (features->type == GRAPHIRE_BT) {
410  				/* Compute distance between mouse and tablet */
411  				rw = 44 - (data[6] >> 2);
412  				rw = clamp_val(rw, 0, 31);
413  				input_report_abs(input, ABS_DISTANCE, rw);
414  				if (((data[1] >> 5) & 3) == 2) {
415  					/* Mouse with wheel */
416  					input_report_key(input, BTN_MIDDLE,
417  							data[1] & 0x04);
418  					rw = (data[6] & 0x01) ? -1 :
419  						(data[6] & 0x02) ? 1 : 0;
420  				} else {
421  					rw = 0;
422  				}
423  			} else {
424  				input_report_abs(input, ABS_DISTANCE, data[7] & 0x3f);
425  				rw = -(signed char)data[6];
426  			}
427  			input_report_rel(input, REL_WHEEL, rw);
428  		}
429  
430  		if (!prox)
431  			wacom->id[0] = 0;
432  		input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
433  		input_report_key(input, wacom->tool[0], prox);
434  		input_sync(input); /* sync last event */
435  	}
436  
437  	/* send pad data */
438  	switch (features->type) {
439  	case WACOM_G4:
440  		prox = data[7] & 0xf8;
441  		if (prox || wacom->id[1]) {
442  			wacom->id[1] = PAD_DEVICE_ID;
443  			input_report_key(pad_input, BTN_BACK, (data[7] & 0x40));
444  			input_report_key(pad_input, BTN_FORWARD, (data[7] & 0x80));
445  			rw = ((data[7] & 0x18) >> 3) - ((data[7] & 0x20) >> 3);
446  			input_report_rel(pad_input, REL_WHEEL, rw);
447  			if (!prox)
448  				wacom->id[1] = 0;
449  			input_report_abs(pad_input, ABS_MISC, wacom->id[1]);
450  			retval = 1;
451  		}
452  		break;
453  
454  	case WACOM_MO:
455  		prox = (data[7] & 0xf8) || data[8];
456  		if (prox || wacom->id[1]) {
457  			wacom->id[1] = PAD_DEVICE_ID;
458  			input_report_key(pad_input, BTN_BACK, (data[7] & 0x08));
459  			input_report_key(pad_input, BTN_LEFT, (data[7] & 0x20));
460  			input_report_key(pad_input, BTN_FORWARD, (data[7] & 0x10));
461  			input_report_key(pad_input, BTN_RIGHT, (data[7] & 0x40));
462  			input_report_abs(pad_input, ABS_WHEEL, (data[8] & 0x7f));
463  			if (!prox)
464  				wacom->id[1] = 0;
465  			input_report_abs(pad_input, ABS_MISC, wacom->id[1]);
466  			retval = 1;
467  		}
468  		break;
469  	case GRAPHIRE_BT:
470  		prox = data[7] & 0x03;
471  		if (prox || wacom->id[1]) {
472  			wacom->id[1] = PAD_DEVICE_ID;
473  			input_report_key(pad_input, BTN_0, (data[7] & 0x02));
474  			input_report_key(pad_input, BTN_1, (data[7] & 0x01));
475  			if (!prox)
476  				wacom->id[1] = 0;
477  			input_report_abs(pad_input, ABS_MISC, wacom->id[1]);
478  			retval = 1;
479  		}
480  		break;
481  	}
482  
483  	/* Store current battery capacity and power supply state */
484  	if (features->type == GRAPHIRE_BT) {
485  		rw = (data[7] >> 2 & 0x07);
486  		battery_capacity = batcap_gr[rw];
487  		ps_connected = rw == 7;
488  		wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
489  				     battery_capacity, ps_connected, 1,
490  				     ps_connected);
491  	}
492  exit:
493  	return retval;
494  }
495  
wacom_intuos_schedule_prox_event(struct wacom_wac * wacom_wac)496  static void wacom_intuos_schedule_prox_event(struct wacom_wac *wacom_wac)
497  {
498  	struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
499  	struct wacom_features *features = &wacom_wac->features;
500  	struct hid_report *r;
501  	struct hid_report_enum *re;
502  
503  	re = &(wacom->hdev->report_enum[HID_FEATURE_REPORT]);
504  	if (features->type == INTUOSHT2)
505  		r = re->report_id_hash[WACOM_REPORT_INTUOSHT2_ID];
506  	else
507  		r = re->report_id_hash[WACOM_REPORT_INTUOS_ID1];
508  	if (r) {
509  		hid_hw_request(wacom->hdev, r, HID_REQ_GET_REPORT);
510  	}
511  }
512  
wacom_intuos_pad(struct wacom_wac * wacom)513  static int wacom_intuos_pad(struct wacom_wac *wacom)
514  {
515  	struct wacom_features *features = &wacom->features;
516  	unsigned char *data = wacom->data;
517  	struct input_dev *input = wacom->pad_input;
518  	int i;
519  	int buttons = 0, nbuttons = features->numbered_buttons;
520  	int keys = 0, nkeys = 0;
521  	int ring1 = 0, ring2 = 0;
522  	int strip1 = 0, strip2 = 0;
523  	bool prox = false;
524  	bool wrench = false, keyboard = false, mute_touch = false, menu = false,
525  	     info = false;
526  
527  	/* pad packets. Works as a second tool and is always in prox */
528  	if (!(data[0] == WACOM_REPORT_INTUOSPAD || data[0] == WACOM_REPORT_INTUOS5PAD ||
529  	      data[0] == WACOM_REPORT_CINTIQPAD))
530  		return 0;
531  
532  	if (features->type >= INTUOS4S && features->type <= INTUOS4L) {
533  		buttons = (data[3] << 1) | (data[2] & 0x01);
534  		ring1 = data[1];
535  	} else if (features->type == DTK) {
536  		buttons = data[6];
537  	} else if (features->type == WACOM_13HD) {
538  		buttons = (data[4] << 1) | (data[3] & 0x01);
539  	} else if (features->type == WACOM_24HD) {
540  		buttons = (data[8] << 8) | data[6];
541  		ring1 = data[1];
542  		ring2 = data[2];
543  
544  		/*
545  		 * Three "buttons" are available on the 24HD which are
546  		 * physically implemented as a touchstrip. Each button
547  		 * is approximately 3 bits wide with a 2 bit spacing.
548  		 * The raw touchstrip bits are stored at:
549  		 *    ((data[3] & 0x1f) << 8) | data[4])
550  		 */
551  		nkeys = 3;
552  		keys = ((data[3] & 0x1C) ? 1<<2 : 0) |
553  		       ((data[4] & 0xE0) ? 1<<1 : 0) |
554  		       ((data[4] & 0x07) ? 1<<0 : 0);
555  		keyboard = !!(data[4] & 0xE0);
556  		info = !!(data[3] & 0x1C);
557  
558  		if (features->oPid) {
559  			mute_touch = !!(data[4] & 0x07);
560  			if (mute_touch)
561  				wacom->shared->is_touch_on =
562  					!wacom->shared->is_touch_on;
563  		} else {
564  			wrench = !!(data[4] & 0x07);
565  		}
566  	} else if (features->type == WACOM_27QHD) {
567  		nkeys = 3;
568  		keys = data[2] & 0x07;
569  
570  		wrench = !!(data[2] & 0x01);
571  		keyboard = !!(data[2] & 0x02);
572  
573  		if (features->oPid) {
574  			mute_touch = !!(data[2] & 0x04);
575  			if (mute_touch)
576  				wacom->shared->is_touch_on =
577  					!wacom->shared->is_touch_on;
578  		} else {
579  			menu = !!(data[2] & 0x04);
580  		}
581  		input_report_abs(input, ABS_X, be16_to_cpup((__be16 *)&data[4]));
582  		input_report_abs(input, ABS_Y, be16_to_cpup((__be16 *)&data[6]));
583  		input_report_abs(input, ABS_Z, be16_to_cpup((__be16 *)&data[8]));
584  	} else if (features->type == CINTIQ_HYBRID) {
585  		/*
586  		 * Do not send hardware buttons under Android. They
587  		 * are already sent to the system through GPIO (and
588  		 * have different meaning).
589  		 *
590  		 * d-pad right  -> data[4] & 0x10
591  		 * d-pad up     -> data[4] & 0x20
592  		 * d-pad left   -> data[4] & 0x40
593  		 * d-pad down   -> data[4] & 0x80
594  		 * d-pad center -> data[3] & 0x01
595  		 */
596  		buttons = (data[4] << 1) | (data[3] & 0x01);
597  	} else if (features->type == CINTIQ_COMPANION_2) {
598  		/* d-pad right  -> data[2] & 0x10
599  		 * d-pad up     -> data[2] & 0x20
600  		 * d-pad left   -> data[2] & 0x40
601  		 * d-pad down   -> data[2] & 0x80
602  		 * d-pad center -> data[1] & 0x01
603  		 */
604  		buttons = ((data[2] >> 4) << 7) |
605  		          ((data[1] & 0x04) << 4) |
606  		          ((data[2] & 0x0F) << 2) |
607  		          (data[1] & 0x03);
608  	} else if (features->type >= INTUOS5S && features->type <= INTUOSPL) {
609  		/*
610  		 * ExpressKeys on Intuos5/Intuos Pro have a capacitive sensor in
611  		 * addition to the mechanical switch. Switch data is
612  		 * stored in data[4], capacitive data in data[5].
613  		 *
614  		 * Touch ring mode switch (data[3]) has no capacitive sensor
615  		 */
616  		buttons = (data[4] << 1) | (data[3] & 0x01);
617  		ring1 = data[2];
618  	} else {
619  		if (features->type == WACOM_21UX2 || features->type == WACOM_22HD) {
620  			buttons = (data[8] << 10) | ((data[7] & 0x01) << 9) |
621  			          (data[6] << 1) | (data[5] & 0x01);
622  
623  			if (features->type == WACOM_22HD) {
624  				nkeys = 3;
625  				keys = data[9] & 0x07;
626  
627  				info = !!(data[9] & 0x01);
628  				wrench = !!(data[9] & 0x02);
629  			}
630  		} else {
631  			buttons = ((data[6] & 0x10) << 5)  |
632  			          ((data[5] & 0x10) << 4)  |
633  			          ((data[6] & 0x0F) << 4)  |
634  			          (data[5] & 0x0F);
635  		}
636  		strip1 = ((data[1] & 0x1f) << 8) | data[2];
637  		strip2 = ((data[3] & 0x1f) << 8) | data[4];
638  	}
639  
640  	prox = (buttons & ~(~0U << nbuttons)) | (keys & ~(~0U << nkeys)) |
641  	       (ring1 & 0x80) | (ring2 & 0x80) | strip1 | strip2;
642  
643  	wacom_report_numbered_buttons(input, nbuttons, buttons);
644  
645  	for (i = 0; i < nkeys; i++)
646  		input_report_key(input, KEY_PROG1 + i, keys & (1 << i));
647  
648  	input_report_key(input, KEY_BUTTONCONFIG, wrench);
649  	input_report_key(input, KEY_ONSCREEN_KEYBOARD, keyboard);
650  	input_report_key(input, KEY_CONTROLPANEL, menu);
651  	input_report_key(input, KEY_INFO, info);
652  
653  	if (wacom->shared && wacom->shared->touch_input) {
654  		input_report_switch(wacom->shared->touch_input,
655  				    SW_MUTE_DEVICE,
656  				    !wacom->shared->is_touch_on);
657  		input_sync(wacom->shared->touch_input);
658  	}
659  
660  	input_report_abs(input, ABS_RX, strip1);
661  	input_report_abs(input, ABS_RY, strip2);
662  
663  	input_report_abs(input, ABS_WHEEL,    (ring1 & 0x80) ? (ring1 & 0x7f) : 0);
664  	input_report_abs(input, ABS_THROTTLE, (ring2 & 0x80) ? (ring2 & 0x7f) : 0);
665  
666  	input_report_key(input, wacom->tool[1], prox ? 1 : 0);
667  	input_report_abs(input, ABS_MISC, prox ? PAD_DEVICE_ID : 0);
668  
669  	input_event(input, EV_MSC, MSC_SERIAL, 0xffffffff);
670  
671  	return 1;
672  }
673  
wacom_intuos_id_mangle(int tool_id)674  static int wacom_intuos_id_mangle(int tool_id)
675  {
676  	return (tool_id & ~0xFFF) << 4 | (tool_id & 0xFFF);
677  }
678  
wacom_is_art_pen(int tool_id)679  static bool wacom_is_art_pen(int tool_id)
680  {
681  	bool is_art_pen = false;
682  
683  	switch (tool_id) {
684  	case 0x885:	/* Intuos3 Marker Pen */
685  	case 0x804:	/* Intuos4/5 13HD/24HD Marker Pen */
686  	case 0x10804:	/* Intuos4/5 13HD/24HD Art Pen */
687  		is_art_pen = true;
688  		break;
689  	}
690  	return is_art_pen;
691  }
692  
wacom_intuos_get_tool_type(int tool_id)693  static int wacom_intuos_get_tool_type(int tool_id)
694  {
695  	int tool_type = BTN_TOOL_PEN;
696  
697  	if (wacom_is_art_pen(tool_id))
698  		return tool_type;
699  
700  	switch (tool_id) {
701  	case 0x812: /* Inking pen */
702  	case 0x801: /* Intuos3 Inking pen */
703  	case 0x12802: /* Intuos4/5 Inking Pen */
704  	case 0x012:
705  		tool_type = BTN_TOOL_PENCIL;
706  		break;
707  
708  	case 0x822: /* Pen */
709  	case 0x842:
710  	case 0x852:
711  	case 0x823: /* Intuos3 Grip Pen */
712  	case 0x813: /* Intuos3 Classic Pen */
713  	case 0x802: /* Intuos4/5 13HD/24HD General Pen */
714  	case 0x8e2: /* IntuosHT2 pen */
715  	case 0x022:
716  	case 0x200: /* Pro Pen 3 */
717  	case 0x10842: /* MobileStudio Pro Pro Pen slim */
718  	case 0x14802: /* Intuos4/5 13HD/24HD Classic Pen */
719  	case 0x16802: /* Cintiq 13HD Pro Pen */
720  	case 0x18802: /* DTH2242 Pen */
721  	case 0x10802: /* Intuos4/5 13HD/24HD General Pen */
722  	case 0x8842: /* Intuos Pro and Cintiq Pro 3D Pen */
723  		tool_type = BTN_TOOL_PEN;
724  		break;
725  
726  	case 0x832: /* Stroke pen */
727  	case 0x032:
728  		tool_type = BTN_TOOL_BRUSH;
729  		break;
730  
731  	case 0x007: /* Mouse 4D and 2D */
732  	case 0x09c:
733  	case 0x094:
734  	case 0x017: /* Intuos3 2D Mouse */
735  	case 0x806: /* Intuos4 Mouse */
736  		tool_type = BTN_TOOL_MOUSE;
737  		break;
738  
739  	case 0x096: /* Lens cursor */
740  	case 0x097: /* Intuos3 Lens cursor */
741  	case 0x006: /* Intuos4 Lens cursor */
742  		tool_type = BTN_TOOL_LENS;
743  		break;
744  
745  	case 0x82a: /* Eraser */
746  	case 0x84a:
747  	case 0x85a:
748  	case 0x91a:
749  	case 0xd1a:
750  	case 0x0fa:
751  	case 0x82b: /* Intuos3 Grip Pen Eraser */
752  	case 0x81b: /* Intuos3 Classic Pen Eraser */
753  	case 0x91b: /* Intuos3 Airbrush Eraser */
754  	case 0x80c: /* Intuos4/5 13HD/24HD Marker Pen Eraser */
755  	case 0x80a: /* Intuos4/5 13HD/24HD General Pen Eraser */
756  	case 0x90a: /* Intuos4/5 13HD/24HD Airbrush Eraser */
757  	case 0x1480a: /* Intuos4/5 13HD/24HD Classic Pen Eraser */
758  	case 0x1090a: /* Intuos4/5 13HD/24HD Airbrush Eraser */
759  	case 0x1080c: /* Intuos4/5 13HD/24HD Art Pen Eraser */
760  	case 0x1084a: /* MobileStudio Pro Pro Pen slim Eraser */
761  	case 0x1680a: /* Cintiq 13HD Pro Pen Eraser */
762  	case 0x1880a: /* DTH2242 Eraser */
763  	case 0x1080a: /* Intuos4/5 13HD/24HD General Pen Eraser */
764  		tool_type = BTN_TOOL_RUBBER;
765  		break;
766  
767  	case 0xd12:
768  	case 0x912:
769  	case 0x112:
770  	case 0x913: /* Intuos3 Airbrush */
771  	case 0x902: /* Intuos4/5 13HD/24HD Airbrush */
772  	case 0x10902: /* Intuos4/5 13HD/24HD Airbrush */
773  		tool_type = BTN_TOOL_AIRBRUSH;
774  		break;
775  	}
776  	return tool_type;
777  }
778  
wacom_exit_report(struct wacom_wac * wacom)779  static void wacom_exit_report(struct wacom_wac *wacom)
780  {
781  	struct input_dev *input = wacom->pen_input;
782  	struct wacom_features *features = &wacom->features;
783  	unsigned char *data = wacom->data;
784  	int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0;
785  
786  	/*
787  	 * Reset all states otherwise we lose the initial states
788  	 * when in-prox next time
789  	 */
790  	input_report_abs(input, ABS_X, 0);
791  	input_report_abs(input, ABS_Y, 0);
792  	input_report_abs(input, ABS_DISTANCE, 0);
793  	input_report_abs(input, ABS_TILT_X, 0);
794  	input_report_abs(input, ABS_TILT_Y, 0);
795  	if (wacom->tool[idx] >= BTN_TOOL_MOUSE) {
796  		input_report_key(input, BTN_LEFT, 0);
797  		input_report_key(input, BTN_MIDDLE, 0);
798  		input_report_key(input, BTN_RIGHT, 0);
799  		input_report_key(input, BTN_SIDE, 0);
800  		input_report_key(input, BTN_EXTRA, 0);
801  		input_report_abs(input, ABS_THROTTLE, 0);
802  		input_report_abs(input, ABS_RZ, 0);
803  	} else {
804  		input_report_abs(input, ABS_PRESSURE, 0);
805  		input_report_key(input, BTN_STYLUS, 0);
806  		input_report_key(input, BTN_STYLUS2, 0);
807  		input_report_key(input, BTN_TOUCH, 0);
808  		input_report_abs(input, ABS_WHEEL, 0);
809  		if (features->type >= INTUOS3S)
810  			input_report_abs(input, ABS_Z, 0);
811  	}
812  	input_report_key(input, wacom->tool[idx], 0);
813  	input_report_abs(input, ABS_MISC, 0); /* reset tool id */
814  	input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
815  	wacom->id[idx] = 0;
816  }
817  
wacom_intuos_inout(struct wacom_wac * wacom)818  static int wacom_intuos_inout(struct wacom_wac *wacom)
819  {
820  	struct wacom_features *features = &wacom->features;
821  	unsigned char *data = wacom->data;
822  	struct input_dev *input = wacom->pen_input;
823  	int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0;
824  
825  	if (!(((data[1] & 0xfc) == 0xc0) ||  /* in prox */
826  	    ((data[1] & 0xfe) == 0x20) ||    /* in range */
827  	    ((data[1] & 0xfe) == 0x80)))     /* out prox */
828  		return 0;
829  
830  	/* Enter report */
831  	if ((data[1] & 0xfc) == 0xc0) {
832  		/* serial number of the tool */
833  		wacom->serial[idx] = ((__u64)(data[3] & 0x0f) << 28) +
834  			(data[4] << 20) + (data[5] << 12) +
835  			(data[6] << 4) + (data[7] >> 4);
836  
837  		wacom->id[idx] = (data[2] << 4) | (data[3] >> 4) |
838  		     ((data[7] & 0x0f) << 16) | ((data[8] & 0xf0) << 8);
839  
840  		wacom->tool[idx] = wacom_intuos_get_tool_type(wacom->id[idx]);
841  
842  		wacom->shared->stylus_in_proximity = true;
843  		return 1;
844  	}
845  
846  	/* in Range */
847  	if ((data[1] & 0xfe) == 0x20) {
848  		if (features->type != INTUOSHT2)
849  			wacom->shared->stylus_in_proximity = true;
850  
851  		/* in Range while exiting */
852  		if (wacom->reporting_data) {
853  			input_report_key(input, BTN_TOUCH, 0);
854  			input_report_abs(input, ABS_PRESSURE, 0);
855  			input_report_abs(input, ABS_DISTANCE, wacom->features.distance_max);
856  			return 2;
857  		}
858  		return 1;
859  	}
860  
861  	/* Exit report */
862  	if ((data[1] & 0xfe) == 0x80) {
863  		wacom->shared->stylus_in_proximity = false;
864  		wacom->reporting_data = false;
865  
866  		/* don't report exit if we don't know the ID */
867  		if (!wacom->id[idx])
868  			return 1;
869  
870  		wacom_exit_report(wacom);
871  		return 2;
872  	}
873  
874  	return 0;
875  }
876  
touch_is_muted(struct wacom_wac * wacom_wac)877  static inline bool touch_is_muted(struct wacom_wac *wacom_wac)
878  {
879  	return wacom_wac->probe_complete &&
880  	       wacom_wac->shared->has_mute_touch_switch &&
881  	       !wacom_wac->shared->is_touch_on;
882  }
883  
report_touch_events(struct wacom_wac * wacom)884  static inline bool report_touch_events(struct wacom_wac *wacom)
885  {
886  	return (touch_arbitration ? !wacom->shared->stylus_in_proximity : 1);
887  }
888  
delay_pen_events(struct wacom_wac * wacom)889  static inline bool delay_pen_events(struct wacom_wac *wacom)
890  {
891  	return (wacom->shared->touch_down && touch_arbitration);
892  }
893  
wacom_intuos_general(struct wacom_wac * wacom)894  static int wacom_intuos_general(struct wacom_wac *wacom)
895  {
896  	struct wacom_features *features = &wacom->features;
897  	unsigned char *data = wacom->data;
898  	struct input_dev *input = wacom->pen_input;
899  	int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0;
900  	unsigned char type = (data[1] >> 1) & 0x0F;
901  	unsigned int x, y, distance, t;
902  
903  	if (data[0] != WACOM_REPORT_PENABLED && data[0] != WACOM_REPORT_CINTIQ &&
904  		data[0] != WACOM_REPORT_INTUOS_PEN)
905  		return 0;
906  
907  	if (delay_pen_events(wacom))
908  		return 1;
909  
910  	/* don't report events if we don't know the tool ID */
911  	if (!wacom->id[idx]) {
912  		/* but reschedule a read of the current tool */
913  		wacom_intuos_schedule_prox_event(wacom);
914  		return 1;
915  	}
916  
917  	/*
918  	 * don't report events for invalid data
919  	 */
920  	/* older I4 styli don't work with new Cintiqs */
921  	if ((!((wacom->id[idx] >> 16) & 0x01) &&
922  			(features->type == WACOM_21UX2)) ||
923  	    /* Only large Intuos support Lense Cursor */
924  	    (wacom->tool[idx] == BTN_TOOL_LENS &&
925  		(features->type == INTUOS3 ||
926  		 features->type == INTUOS3S ||
927  		 features->type == INTUOS4 ||
928  		 features->type == INTUOS4S ||
929  		 features->type == INTUOS5 ||
930  		 features->type == INTUOS5S ||
931  		 features->type == INTUOSPM ||
932  		 features->type == INTUOSPS)) ||
933  	   /* Cintiq doesn't send data when RDY bit isn't set */
934  	   (features->type == CINTIQ && !(data[1] & 0x40)))
935  		return 1;
936  
937  	x = (be16_to_cpup((__be16 *)&data[2]) << 1) | ((data[9] >> 1) & 1);
938  	y = (be16_to_cpup((__be16 *)&data[4]) << 1) | (data[9] & 1);
939  	distance = data[9] >> 2;
940  	if (features->type < INTUOS3S) {
941  		x >>= 1;
942  		y >>= 1;
943  		distance >>= 1;
944  	}
945  	if (features->type == INTUOSHT2)
946  		distance = features->distance_max - distance;
947  	input_report_abs(input, ABS_X, x);
948  	input_report_abs(input, ABS_Y, y);
949  	input_report_abs(input, ABS_DISTANCE, distance);
950  
951  	switch (type) {
952  	case 0x00:
953  	case 0x01:
954  	case 0x02:
955  	case 0x03:
956  		/* general pen packet */
957  		t = (data[6] << 3) | ((data[7] & 0xC0) >> 5) | (data[1] & 1);
958  		if (features->pressure_max < 2047)
959  			t >>= 1;
960  		input_report_abs(input, ABS_PRESSURE, t);
961  		if (features->type != INTUOSHT2) {
962  		    input_report_abs(input, ABS_TILT_X,
963  				 (((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
964  		    input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
965  		}
966  		input_report_key(input, BTN_STYLUS, data[1] & 2);
967  		input_report_key(input, BTN_STYLUS2, data[1] & 4);
968  		input_report_key(input, BTN_TOUCH, t > 10);
969  		break;
970  
971  	case 0x0a:
972  		/* airbrush second packet */
973  		input_report_abs(input, ABS_WHEEL,
974  				(data[6] << 2) | ((data[7] >> 6) & 3));
975  		input_report_abs(input, ABS_TILT_X,
976  				 (((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
977  		input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
978  		break;
979  
980  	case 0x05:
981  		/* Rotation packet */
982  		if (features->type >= INTUOS3S) {
983  			/* I3 marker pen rotation */
984  			t = (data[6] << 3) | ((data[7] >> 5) & 7);
985  			t = (data[7] & 0x20) ? ((t > 900) ? ((t-1) / 2 - 1350) :
986  				((t-1) / 2 + 450)) : (450 - t / 2) ;
987  			input_report_abs(input, ABS_Z, t);
988  		} else {
989  			/* 4D mouse 2nd packet */
990  			t = (data[6] << 3) | ((data[7] >> 5) & 7);
991  			input_report_abs(input, ABS_RZ, (data[7] & 0x20) ?
992  				((t - 1) / 2) : -t / 2);
993  		}
994  		break;
995  
996  	case 0x04:
997  		/* 4D mouse 1st packet */
998  		input_report_key(input, BTN_LEFT,   data[8] & 0x01);
999  		input_report_key(input, BTN_MIDDLE, data[8] & 0x02);
1000  		input_report_key(input, BTN_RIGHT,  data[8] & 0x04);
1001  
1002  		input_report_key(input, BTN_SIDE,   data[8] & 0x20);
1003  		input_report_key(input, BTN_EXTRA,  data[8] & 0x10);
1004  		t = (data[6] << 2) | ((data[7] >> 6) & 3);
1005  		input_report_abs(input, ABS_THROTTLE, (data[8] & 0x08) ? -t : t);
1006  		break;
1007  
1008  	case 0x06:
1009  		/* I4 mouse */
1010  		input_report_key(input, BTN_LEFT,   data[6] & 0x01);
1011  		input_report_key(input, BTN_MIDDLE, data[6] & 0x02);
1012  		input_report_key(input, BTN_RIGHT,  data[6] & 0x04);
1013  		input_report_rel(input, REL_WHEEL, ((data[7] & 0x80) >> 7)
1014  				 - ((data[7] & 0x40) >> 6));
1015  		input_report_key(input, BTN_SIDE,   data[6] & 0x08);
1016  		input_report_key(input, BTN_EXTRA,  data[6] & 0x10);
1017  
1018  		input_report_abs(input, ABS_TILT_X,
1019  			(((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
1020  		input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
1021  		break;
1022  
1023  	case 0x08:
1024  		if (wacom->tool[idx] == BTN_TOOL_MOUSE) {
1025  			/* 2D mouse packet */
1026  			input_report_key(input, BTN_LEFT,   data[8] & 0x04);
1027  			input_report_key(input, BTN_MIDDLE, data[8] & 0x08);
1028  			input_report_key(input, BTN_RIGHT,  data[8] & 0x10);
1029  			input_report_rel(input, REL_WHEEL, (data[8] & 0x01)
1030  					 - ((data[8] & 0x02) >> 1));
1031  
1032  			/* I3 2D mouse side buttons */
1033  			if (features->type >= INTUOS3S && features->type <= INTUOS3L) {
1034  				input_report_key(input, BTN_SIDE,   data[8] & 0x40);
1035  				input_report_key(input, BTN_EXTRA,  data[8] & 0x20);
1036  			}
1037  		}
1038  		else if (wacom->tool[idx] == BTN_TOOL_LENS) {
1039  			/* Lens cursor packets */
1040  			input_report_key(input, BTN_LEFT,   data[8] & 0x01);
1041  			input_report_key(input, BTN_MIDDLE, data[8] & 0x02);
1042  			input_report_key(input, BTN_RIGHT,  data[8] & 0x04);
1043  			input_report_key(input, BTN_SIDE,   data[8] & 0x10);
1044  			input_report_key(input, BTN_EXTRA,  data[8] & 0x08);
1045  		}
1046  		break;
1047  
1048  	case 0x07:
1049  	case 0x09:
1050  	case 0x0b:
1051  	case 0x0c:
1052  	case 0x0d:
1053  	case 0x0e:
1054  	case 0x0f:
1055  		/* unhandled */
1056  		break;
1057  	}
1058  
1059  	input_report_abs(input, ABS_MISC,
1060  			 wacom_intuos_id_mangle(wacom->id[idx])); /* report tool id */
1061  	input_report_key(input, wacom->tool[idx], 1);
1062  	input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
1063  	wacom->reporting_data = true;
1064  	return 2;
1065  }
1066  
wacom_intuos_irq(struct wacom_wac * wacom)1067  static int wacom_intuos_irq(struct wacom_wac *wacom)
1068  {
1069  	unsigned char *data = wacom->data;
1070  	struct input_dev *input = wacom->pen_input;
1071  	int result;
1072  
1073  	if (data[0] != WACOM_REPORT_PENABLED &&
1074  	    data[0] != WACOM_REPORT_INTUOS_ID1 &&
1075  	    data[0] != WACOM_REPORT_INTUOS_ID2 &&
1076  	    data[0] != WACOM_REPORT_INTUOSPAD &&
1077  	    data[0] != WACOM_REPORT_INTUOS_PEN &&
1078  	    data[0] != WACOM_REPORT_CINTIQ &&
1079  	    data[0] != WACOM_REPORT_CINTIQPAD &&
1080  	    data[0] != WACOM_REPORT_INTUOS5PAD) {
1081  		dev_dbg(input->dev.parent,
1082  			"%s: received unknown report #%d\n", __func__, data[0]);
1083                  return 0;
1084  	}
1085  
1086  	/* process pad events */
1087  	result = wacom_intuos_pad(wacom);
1088  	if (result)
1089  		return result;
1090  
1091  	/* process in/out prox events */
1092  	result = wacom_intuos_inout(wacom);
1093  	if (result)
1094  		return result - 1;
1095  
1096  	/* process general packets */
1097  	result = wacom_intuos_general(wacom);
1098  	if (result)
1099  		return result - 1;
1100  
1101  	return 0;
1102  }
1103  
wacom_remote_irq(struct wacom_wac * wacom_wac,size_t len)1104  static int wacom_remote_irq(struct wacom_wac *wacom_wac, size_t len)
1105  {
1106  	unsigned char *data = wacom_wac->data;
1107  	struct input_dev *input;
1108  	struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
1109  	struct wacom_remote *remote = wacom->remote;
1110  	int bat_charging, bat_percent, touch_ring_mode;
1111  	__u32 serial;
1112  	int i, index = -1;
1113  	unsigned long flags;
1114  
1115  	if (data[0] != WACOM_REPORT_REMOTE) {
1116  		hid_dbg(wacom->hdev, "%s: received unknown report #%d",
1117  			__func__, data[0]);
1118  		return 0;
1119  	}
1120  
1121  	serial = data[3] + (data[4] << 8) + (data[5] << 16);
1122  	wacom_wac->id[0] = PAD_DEVICE_ID;
1123  
1124  	spin_lock_irqsave(&remote->remote_lock, flags);
1125  
1126  	for (i = 0; i < WACOM_MAX_REMOTES; i++) {
1127  		if (remote->remotes[i].serial == serial) {
1128  			index = i;
1129  			break;
1130  		}
1131  	}
1132  
1133  	if (index < 0 || !remote->remotes[index].registered)
1134  		goto out;
1135  
1136  	remote->remotes[i].active_time = ktime_get();
1137  	input = remote->remotes[index].input;
1138  
1139  	input_report_key(input, BTN_0, (data[9] & 0x01));
1140  	input_report_key(input, BTN_1, (data[9] & 0x02));
1141  	input_report_key(input, BTN_2, (data[9] & 0x04));
1142  	input_report_key(input, BTN_3, (data[9] & 0x08));
1143  	input_report_key(input, BTN_4, (data[9] & 0x10));
1144  	input_report_key(input, BTN_5, (data[9] & 0x20));
1145  	input_report_key(input, BTN_6, (data[9] & 0x40));
1146  	input_report_key(input, BTN_7, (data[9] & 0x80));
1147  
1148  	input_report_key(input, BTN_8, (data[10] & 0x01));
1149  	input_report_key(input, BTN_9, (data[10] & 0x02));
1150  	input_report_key(input, BTN_A, (data[10] & 0x04));
1151  	input_report_key(input, BTN_B, (data[10] & 0x08));
1152  	input_report_key(input, BTN_C, (data[10] & 0x10));
1153  	input_report_key(input, BTN_X, (data[10] & 0x20));
1154  	input_report_key(input, BTN_Y, (data[10] & 0x40));
1155  	input_report_key(input, BTN_Z, (data[10] & 0x80));
1156  
1157  	input_report_key(input, BTN_BASE, (data[11] & 0x01));
1158  	input_report_key(input, BTN_BASE2, (data[11] & 0x02));
1159  
1160  	if (data[12] & 0x80)
1161  		input_report_abs(input, ABS_WHEEL, (data[12] & 0x7f) - 1);
1162  	else
1163  		input_report_abs(input, ABS_WHEEL, 0);
1164  
1165  	bat_percent = data[7] & 0x7f;
1166  	bat_charging = !!(data[7] & 0x80);
1167  
1168  	if (data[9] | data[10] | (data[11] & 0x03) | data[12])
1169  		input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
1170  	else
1171  		input_report_abs(input, ABS_MISC, 0);
1172  
1173  	input_event(input, EV_MSC, MSC_SERIAL, serial);
1174  
1175  	input_sync(input);
1176  
1177  	/*Which mode select (LED light) is currently on?*/
1178  	touch_ring_mode = (data[11] & 0xC0) >> 6;
1179  
1180  	for (i = 0; i < WACOM_MAX_REMOTES; i++) {
1181  		if (remote->remotes[i].serial == serial)
1182  			wacom->led.groups[i].select = touch_ring_mode;
1183  	}
1184  
1185  	__wacom_notify_battery(&remote->remotes[index].battery,
1186  				WACOM_POWER_SUPPLY_STATUS_AUTO, bat_percent,
1187  				bat_charging, 1, bat_charging);
1188  
1189  out:
1190  	spin_unlock_irqrestore(&remote->remote_lock, flags);
1191  	return 0;
1192  }
1193  
wacom_remote_status_irq(struct wacom_wac * wacom_wac,size_t len)1194  static void wacom_remote_status_irq(struct wacom_wac *wacom_wac, size_t len)
1195  {
1196  	struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
1197  	unsigned char *data = wacom_wac->data;
1198  	struct wacom_remote *remote = wacom->remote;
1199  	struct wacom_remote_work_data remote_data;
1200  	unsigned long flags;
1201  	int i, ret;
1202  
1203  	if (data[0] != WACOM_REPORT_DEVICE_LIST)
1204  		return;
1205  
1206  	memset(&remote_data, 0, sizeof(struct wacom_remote_work_data));
1207  
1208  	for (i = 0; i < WACOM_MAX_REMOTES; i++) {
1209  		int j = i * 6;
1210  		int serial = (data[j+6] << 16) + (data[j+5] << 8) + data[j+4];
1211  
1212  		remote_data.remote[i].serial = serial;
1213  	}
1214  
1215  	spin_lock_irqsave(&remote->remote_lock, flags);
1216  
1217  	ret = kfifo_in(&remote->remote_fifo, &remote_data, sizeof(remote_data));
1218  	if (ret != sizeof(remote_data)) {
1219  		spin_unlock_irqrestore(&remote->remote_lock, flags);
1220  		hid_err(wacom->hdev, "Can't queue Remote status event.\n");
1221  		return;
1222  	}
1223  
1224  	spin_unlock_irqrestore(&remote->remote_lock, flags);
1225  
1226  	wacom_schedule_work(wacom_wac, WACOM_WORKER_REMOTE);
1227  }
1228  
int_dist(int x1,int y1,int x2,int y2)1229  static int int_dist(int x1, int y1, int x2, int y2)
1230  {
1231  	int x = x2 - x1;
1232  	int y = y2 - y1;
1233  
1234  	return int_sqrt(x*x + y*y);
1235  }
1236  
wacom_intuos_bt_process_data(struct wacom_wac * wacom,unsigned char * data)1237  static void wacom_intuos_bt_process_data(struct wacom_wac *wacom,
1238  		unsigned char *data)
1239  {
1240  	memcpy(wacom->data, data, 10);
1241  	wacom_intuos_irq(wacom);
1242  
1243  	input_sync(wacom->pen_input);
1244  	if (wacom->pad_input)
1245  		input_sync(wacom->pad_input);
1246  }
1247  
wacom_intuos_bt_irq(struct wacom_wac * wacom,size_t len)1248  static int wacom_intuos_bt_irq(struct wacom_wac *wacom, size_t len)
1249  {
1250  	unsigned char data[WACOM_PKGLEN_MAX];
1251  	int i = 1;
1252  	unsigned power_raw, battery_capacity, bat_charging, ps_connected;
1253  
1254  	memcpy(data, wacom->data, len);
1255  
1256  	switch (data[0]) {
1257  	case 0x04:
1258  		wacom_intuos_bt_process_data(wacom, data + i);
1259  		i += 10;
1260  		fallthrough;
1261  	case 0x03:
1262  		wacom_intuos_bt_process_data(wacom, data + i);
1263  		i += 10;
1264  		wacom_intuos_bt_process_data(wacom, data + i);
1265  		i += 10;
1266  		power_raw = data[i];
1267  		bat_charging = (power_raw & 0x08) ? 1 : 0;
1268  		ps_connected = (power_raw & 0x10) ? 1 : 0;
1269  		battery_capacity = batcap_i4[power_raw & 0x07];
1270  		wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
1271  				     battery_capacity, bat_charging,
1272  				     battery_capacity || bat_charging,
1273  				     ps_connected);
1274  		break;
1275  	default:
1276  		dev_dbg(wacom->pen_input->dev.parent,
1277  				"Unknown report: %d,%d size:%zu\n",
1278  				data[0], data[1], len);
1279  		return 0;
1280  	}
1281  	return 0;
1282  }
1283  
wacom_wac_finger_count_touches(struct wacom_wac * wacom)1284  static int wacom_wac_finger_count_touches(struct wacom_wac *wacom)
1285  {
1286  	struct input_dev *input = wacom->touch_input;
1287  	unsigned touch_max = wacom->features.touch_max;
1288  	int count = 0;
1289  	int i;
1290  
1291  	if (!touch_max)
1292  		return 0;
1293  
1294  	if (touch_max == 1)
1295  		return test_bit(BTN_TOUCH, input->key) &&
1296  			report_touch_events(wacom);
1297  
1298  	for (i = 0; i < input->mt->num_slots; i++) {
1299  		struct input_mt_slot *ps = &input->mt->slots[i];
1300  		int id = input_mt_get_value(ps, ABS_MT_TRACKING_ID);
1301  		if (id >= 0)
1302  			count++;
1303  	}
1304  
1305  	return count;
1306  }
1307  
wacom_intuos_pro2_bt_pen(struct wacom_wac * wacom)1308  static void wacom_intuos_pro2_bt_pen(struct wacom_wac *wacom)
1309  {
1310  	int pen_frame_len, pen_frames;
1311  
1312  	struct input_dev *pen_input = wacom->pen_input;
1313  	unsigned char *data = wacom->data;
1314  	int number_of_valid_frames = 0;
1315  	ktime_t time_interval = 15000000;
1316  	ktime_t time_packet_received = ktime_get();
1317  	int i;
1318  
1319  	if (wacom->features.type == INTUOSP2_BT ||
1320  	    wacom->features.type == INTUOSP2S_BT) {
1321  		wacom->serial[0] = get_unaligned_le64(&data[99]);
1322  		wacom->id[0]     = get_unaligned_le16(&data[107]);
1323  		pen_frame_len = 14;
1324  		pen_frames = 7;
1325  	} else {
1326  		wacom->serial[0] = get_unaligned_le64(&data[33]);
1327  		wacom->id[0]     = get_unaligned_le16(&data[41]);
1328  		pen_frame_len = 8;
1329  		pen_frames = 4;
1330  	}
1331  
1332  	if (wacom->serial[0] >> 52 == 1) {
1333  		/* Add back in missing bits of ID for non-USI pens */
1334  		wacom->id[0] |= (wacom->serial[0] >> 32) & 0xFFFFF;
1335  	}
1336  
1337  	/* number of valid frames */
1338  	for (i = 0; i < pen_frames; i++) {
1339  		unsigned char *frame = &data[i*pen_frame_len + 1];
1340  		bool valid = frame[0] & 0x80;
1341  
1342  		if (valid)
1343  			number_of_valid_frames++;
1344  	}
1345  
1346  	if (number_of_valid_frames) {
1347  		if (wacom->hid_data.time_delayed)
1348  			time_interval = ktime_get() - wacom->hid_data.time_delayed;
1349  		time_interval = div_u64(time_interval, number_of_valid_frames);
1350  		wacom->hid_data.time_delayed = time_packet_received;
1351  	}
1352  
1353  	for (i = 0; i < number_of_valid_frames; i++) {
1354  		unsigned char *frame = &data[i*pen_frame_len + 1];
1355  		bool valid = frame[0] & 0x80;
1356  		bool prox = frame[0] & 0x40;
1357  		bool range = frame[0] & 0x20;
1358  		bool invert = frame[0] & 0x10;
1359  		int frames_number_reversed = number_of_valid_frames - i - 1;
1360  		ktime_t event_timestamp = time_packet_received - frames_number_reversed * time_interval;
1361  
1362  		if (!valid)
1363  			continue;
1364  
1365  		if (!prox) {
1366  			wacom->shared->stylus_in_proximity = false;
1367  			wacom_exit_report(wacom);
1368  			input_sync(pen_input);
1369  
1370  			wacom->tool[0] = 0;
1371  			wacom->id[0] = 0;
1372  			wacom->serial[0] = 0;
1373  			wacom->hid_data.time_delayed = 0;
1374  			return;
1375  		}
1376  
1377  		if (range) {
1378  			if (!wacom->tool[0]) { /* first in range */
1379  				/* Going into range select tool */
1380  				if (invert)
1381  					wacom->tool[0] = BTN_TOOL_RUBBER;
1382  				else if (wacom->id[0])
1383  					wacom->tool[0] = wacom_intuos_get_tool_type(wacom->id[0]);
1384  				else
1385  					wacom->tool[0] = BTN_TOOL_PEN;
1386  			}
1387  
1388  			input_report_abs(pen_input, ABS_X, get_unaligned_le16(&frame[1]));
1389  			input_report_abs(pen_input, ABS_Y, get_unaligned_le16(&frame[3]));
1390  
1391  			if (wacom->features.type == INTUOSP2_BT ||
1392  			    wacom->features.type == INTUOSP2S_BT) {
1393  				/* Fix rotation alignment: userspace expects zero at left */
1394  				int16_t rotation =
1395  					(int16_t)get_unaligned_le16(&frame[9]);
1396  				rotation += 1800/4;
1397  
1398  				if (rotation > 899)
1399  					rotation -= 1800;
1400  
1401  				input_report_abs(pen_input, ABS_TILT_X,
1402  						 (signed char)frame[7]);
1403  				input_report_abs(pen_input, ABS_TILT_Y,
1404  						 (signed char)frame[8]);
1405  				input_report_abs(pen_input, ABS_Z, rotation);
1406  				input_report_abs(pen_input, ABS_WHEEL,
1407  						 get_unaligned_le16(&frame[11]));
1408  			}
1409  		}
1410  
1411  		if (wacom->tool[0]) {
1412  			input_report_abs(pen_input, ABS_PRESSURE, get_unaligned_le16(&frame[5]));
1413  			if (wacom->features.type == INTUOSP2_BT ||
1414  			    wacom->features.type == INTUOSP2S_BT) {
1415  				input_report_abs(pen_input, ABS_DISTANCE,
1416  						 range ? frame[13] : wacom->features.distance_max);
1417  			} else {
1418  				input_report_abs(pen_input, ABS_DISTANCE,
1419  						 range ? frame[7] : wacom->features.distance_max);
1420  			}
1421  
1422  			input_report_key(pen_input, BTN_TOUCH, frame[0] & 0x09);
1423  			input_report_key(pen_input, BTN_STYLUS, frame[0] & 0x02);
1424  			input_report_key(pen_input, BTN_STYLUS2, frame[0] & 0x04);
1425  
1426  			input_report_key(pen_input, wacom->tool[0], prox);
1427  			input_event(pen_input, EV_MSC, MSC_SERIAL, wacom->serial[0]);
1428  			input_report_abs(pen_input, ABS_MISC,
1429  					 wacom_intuos_id_mangle(wacom->id[0])); /* report tool id */
1430  		}
1431  
1432  		wacom->shared->stylus_in_proximity = prox;
1433  
1434  		/* add timestamp to unpack the frames */
1435  		input_set_timestamp(pen_input, event_timestamp);
1436  
1437  		input_sync(pen_input);
1438  	}
1439  }
1440  
wacom_intuos_pro2_bt_touch(struct wacom_wac * wacom)1441  static void wacom_intuos_pro2_bt_touch(struct wacom_wac *wacom)
1442  {
1443  	const int finger_touch_len = 8;
1444  	const int finger_frames = 4;
1445  	const int finger_frame_len = 43;
1446  
1447  	struct input_dev *touch_input = wacom->touch_input;
1448  	unsigned char *data = wacom->data;
1449  	int num_contacts_left = 5;
1450  	int i, j;
1451  
1452  	for (i = 0; i < finger_frames; i++) {
1453  		unsigned char *frame = &data[i*finger_frame_len + 109];
1454  		int current_num_contacts = frame[0] & 0x7F;
1455  		int contacts_to_send;
1456  
1457  		if (!(frame[0] & 0x80))
1458  			continue;
1459  
1460  		/*
1461  		 * First packet resets the counter since only the first
1462  		 * packet in series will have non-zero current_num_contacts.
1463  		 */
1464  		if (current_num_contacts)
1465  			wacom->num_contacts_left = current_num_contacts;
1466  
1467  		contacts_to_send = min(num_contacts_left, wacom->num_contacts_left);
1468  
1469  		for (j = 0; j < contacts_to_send; j++) {
1470  			unsigned char *touch = &frame[j*finger_touch_len + 1];
1471  			int slot = input_mt_get_slot_by_key(touch_input, touch[0]);
1472  			int x = get_unaligned_le16(&touch[2]);
1473  			int y = get_unaligned_le16(&touch[4]);
1474  			int w = touch[6] * input_abs_get_res(touch_input, ABS_MT_POSITION_X);
1475  			int h = touch[7] * input_abs_get_res(touch_input, ABS_MT_POSITION_Y);
1476  
1477  			if (slot < 0)
1478  				continue;
1479  
1480  			input_mt_slot(touch_input, slot);
1481  			input_mt_report_slot_state(touch_input, MT_TOOL_FINGER, touch[1] & 0x01);
1482  			input_report_abs(touch_input, ABS_MT_POSITION_X, x);
1483  			input_report_abs(touch_input, ABS_MT_POSITION_Y, y);
1484  			input_report_abs(touch_input, ABS_MT_TOUCH_MAJOR, max(w, h));
1485  			input_report_abs(touch_input, ABS_MT_TOUCH_MINOR, min(w, h));
1486  			input_report_abs(touch_input, ABS_MT_ORIENTATION, w > h);
1487  		}
1488  
1489  		input_mt_sync_frame(touch_input);
1490  
1491  		wacom->num_contacts_left -= contacts_to_send;
1492  		if (wacom->num_contacts_left <= 0) {
1493  			wacom->num_contacts_left = 0;
1494  			wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1495  			input_sync(touch_input);
1496  		}
1497  	}
1498  
1499  	if (wacom->num_contacts_left == 0) {
1500  		// Be careful that we don't accidentally call input_sync with
1501  		// only a partial set of fingers of processed
1502  		input_report_switch(touch_input, SW_MUTE_DEVICE, !(data[281] >> 7));
1503  		input_sync(touch_input);
1504  	}
1505  
1506  }
1507  
wacom_intuos_pro2_bt_pad(struct wacom_wac * wacom)1508  static void wacom_intuos_pro2_bt_pad(struct wacom_wac *wacom)
1509  {
1510  	struct input_dev *pad_input = wacom->pad_input;
1511  	unsigned char *data = wacom->data;
1512  	int nbuttons = wacom->features.numbered_buttons;
1513  
1514  	int expresskeys = data[282];
1515  	int center = (data[281] & 0x40) >> 6;
1516  	int ring = data[285] & 0x7F;
1517  	bool ringstatus = data[285] & 0x80;
1518  	bool prox = expresskeys || center || ringstatus;
1519  
1520  	/* Fix touchring data: userspace expects 0 at left and increasing clockwise */
1521  	ring = 71 - ring;
1522  	ring += 3*72/16;
1523  	if (ring > 71)
1524  		ring -= 72;
1525  
1526  	wacom_report_numbered_buttons(pad_input, nbuttons,
1527                                        expresskeys | (center << (nbuttons - 1)));
1528  
1529  	input_report_abs(pad_input, ABS_WHEEL, ringstatus ? ring : 0);
1530  
1531  	input_report_key(pad_input, wacom->tool[1], prox ? 1 : 0);
1532  	input_report_abs(pad_input, ABS_MISC, prox ? PAD_DEVICE_ID : 0);
1533  	input_event(pad_input, EV_MSC, MSC_SERIAL, 0xffffffff);
1534  
1535  	input_sync(pad_input);
1536  }
1537  
wacom_intuos_pro2_bt_battery(struct wacom_wac * wacom)1538  static void wacom_intuos_pro2_bt_battery(struct wacom_wac *wacom)
1539  {
1540  	unsigned char *data = wacom->data;
1541  
1542  	bool chg = data[284] & 0x80;
1543  	int battery_status = data[284] & 0x7F;
1544  
1545  	wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
1546  			     battery_status, chg, 1, chg);
1547  }
1548  
wacom_intuos_gen3_bt_pad(struct wacom_wac * wacom)1549  static void wacom_intuos_gen3_bt_pad(struct wacom_wac *wacom)
1550  {
1551  	struct input_dev *pad_input = wacom->pad_input;
1552  	unsigned char *data = wacom->data;
1553  
1554  	int buttons = data[44];
1555  
1556  	wacom_report_numbered_buttons(pad_input, 4, buttons);
1557  
1558  	input_report_key(pad_input, wacom->tool[1], buttons ? 1 : 0);
1559  	input_report_abs(pad_input, ABS_MISC, buttons ? PAD_DEVICE_ID : 0);
1560  	input_event(pad_input, EV_MSC, MSC_SERIAL, 0xffffffff);
1561  
1562  	input_sync(pad_input);
1563  }
1564  
wacom_intuos_gen3_bt_battery(struct wacom_wac * wacom)1565  static void wacom_intuos_gen3_bt_battery(struct wacom_wac *wacom)
1566  {
1567  	unsigned char *data = wacom->data;
1568  
1569  	bool chg = data[45] & 0x80;
1570  	int battery_status = data[45] & 0x7F;
1571  
1572  	wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
1573  			     battery_status, chg, 1, chg);
1574  }
1575  
wacom_intuos_pro2_bt_irq(struct wacom_wac * wacom,size_t len)1576  static int wacom_intuos_pro2_bt_irq(struct wacom_wac *wacom, size_t len)
1577  {
1578  	unsigned char *data = wacom->data;
1579  
1580  	if (data[0] != 0x80 && data[0] != 0x81) {
1581  		dev_dbg(wacom->pen_input->dev.parent,
1582  			"%s: received unknown report #%d\n", __func__, data[0]);
1583  		return 0;
1584  	}
1585  
1586  	wacom_intuos_pro2_bt_pen(wacom);
1587  	if (wacom->features.type == INTUOSP2_BT ||
1588  	    wacom->features.type == INTUOSP2S_BT) {
1589  		wacom_intuos_pro2_bt_touch(wacom);
1590  		wacom_intuos_pro2_bt_pad(wacom);
1591  		wacom_intuos_pro2_bt_battery(wacom);
1592  	} else {
1593  		wacom_intuos_gen3_bt_pad(wacom);
1594  		wacom_intuos_gen3_bt_battery(wacom);
1595  	}
1596  	return 0;
1597  }
1598  
wacom_24hdt_irq(struct wacom_wac * wacom)1599  static int wacom_24hdt_irq(struct wacom_wac *wacom)
1600  {
1601  	struct input_dev *input = wacom->touch_input;
1602  	unsigned char *data = wacom->data;
1603  	int i;
1604  	int current_num_contacts = data[61];
1605  	int contacts_to_send = 0;
1606  	int num_contacts_left = 4; /* maximum contacts per packet */
1607  	int byte_per_packet = WACOM_BYTES_PER_24HDT_PACKET;
1608  	int y_offset = 2;
1609  
1610  	if (touch_is_muted(wacom) && !wacom->shared->touch_down)
1611  		return 0;
1612  
1613  	if (wacom->features.type == WACOM_27QHDT) {
1614  		current_num_contacts = data[63];
1615  		num_contacts_left = 10;
1616  		byte_per_packet = WACOM_BYTES_PER_QHDTHID_PACKET;
1617  		y_offset = 0;
1618  	}
1619  
1620  	/*
1621  	 * First packet resets the counter since only the first
1622  	 * packet in series will have non-zero current_num_contacts.
1623  	 */
1624  	if (current_num_contacts)
1625  		wacom->num_contacts_left = current_num_contacts;
1626  
1627  	contacts_to_send = min(num_contacts_left, wacom->num_contacts_left);
1628  
1629  	for (i = 0; i < contacts_to_send; i++) {
1630  		int offset = (byte_per_packet * i) + 1;
1631  		bool touch = (data[offset] & 0x1) && report_touch_events(wacom);
1632  		int slot = input_mt_get_slot_by_key(input, data[offset + 1]);
1633  
1634  		if (slot < 0)
1635  			continue;
1636  		input_mt_slot(input, slot);
1637  		input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1638  
1639  		if (touch) {
1640  			int t_x = get_unaligned_le16(&data[offset + 2]);
1641  			int t_y = get_unaligned_le16(&data[offset + 4 + y_offset]);
1642  
1643  			input_report_abs(input, ABS_MT_POSITION_X, t_x);
1644  			input_report_abs(input, ABS_MT_POSITION_Y, t_y);
1645  
1646  			if (wacom->features.type != WACOM_27QHDT) {
1647  				int c_x = get_unaligned_le16(&data[offset + 4]);
1648  				int c_y = get_unaligned_le16(&data[offset + 8]);
1649  				int w = get_unaligned_le16(&data[offset + 10]);
1650  				int h = get_unaligned_le16(&data[offset + 12]);
1651  
1652  				input_report_abs(input, ABS_MT_TOUCH_MAJOR, min(w,h));
1653  				input_report_abs(input, ABS_MT_WIDTH_MAJOR,
1654  						 min(w, h) + int_dist(t_x, t_y, c_x, c_y));
1655  				input_report_abs(input, ABS_MT_WIDTH_MINOR, min(w, h));
1656  				input_report_abs(input, ABS_MT_ORIENTATION, w > h);
1657  			}
1658  		}
1659  	}
1660  	input_mt_sync_frame(input);
1661  
1662  	wacom->num_contacts_left -= contacts_to_send;
1663  	if (wacom->num_contacts_left <= 0) {
1664  		wacom->num_contacts_left = 0;
1665  		wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1666  	}
1667  	return 1;
1668  }
1669  
wacom_mt_touch(struct wacom_wac * wacom)1670  static int wacom_mt_touch(struct wacom_wac *wacom)
1671  {
1672  	struct input_dev *input = wacom->touch_input;
1673  	unsigned char *data = wacom->data;
1674  	int i;
1675  	int current_num_contacts = data[2];
1676  	int contacts_to_send = 0;
1677  	int x_offset = 0;
1678  
1679  	/* MTTPC does not support Height and Width */
1680  	if (wacom->features.type == MTTPC || wacom->features.type == MTTPC_B)
1681  		x_offset = -4;
1682  
1683  	/*
1684  	 * First packet resets the counter since only the first
1685  	 * packet in series will have non-zero current_num_contacts.
1686  	 */
1687  	if (current_num_contacts)
1688  		wacom->num_contacts_left = current_num_contacts;
1689  
1690  	/* There are at most 5 contacts per packet */
1691  	contacts_to_send = min(5, wacom->num_contacts_left);
1692  
1693  	for (i = 0; i < contacts_to_send; i++) {
1694  		int offset = (WACOM_BYTES_PER_MT_PACKET + x_offset) * i + 3;
1695  		bool touch = (data[offset] & 0x1) && report_touch_events(wacom);
1696  		int id = get_unaligned_le16(&data[offset + 1]);
1697  		int slot = input_mt_get_slot_by_key(input, id);
1698  
1699  		if (slot < 0)
1700  			continue;
1701  
1702  		input_mt_slot(input, slot);
1703  		input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1704  		if (touch) {
1705  			int x = get_unaligned_le16(&data[offset + x_offset + 7]);
1706  			int y = get_unaligned_le16(&data[offset + x_offset + 9]);
1707  			input_report_abs(input, ABS_MT_POSITION_X, x);
1708  			input_report_abs(input, ABS_MT_POSITION_Y, y);
1709  		}
1710  	}
1711  	input_mt_sync_frame(input);
1712  
1713  	wacom->num_contacts_left -= contacts_to_send;
1714  	if (wacom->num_contacts_left <= 0) {
1715  		wacom->num_contacts_left = 0;
1716  		wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1717  	}
1718  	return 1;
1719  }
1720  
wacom_tpc_mt_touch(struct wacom_wac * wacom)1721  static int wacom_tpc_mt_touch(struct wacom_wac *wacom)
1722  {
1723  	struct input_dev *input = wacom->touch_input;
1724  	unsigned char *data = wacom->data;
1725  	int i;
1726  
1727  	for (i = 0; i < 2; i++) {
1728  		int p = data[1] & (1 << i);
1729  		bool touch = p && report_touch_events(wacom);
1730  
1731  		input_mt_slot(input, i);
1732  		input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1733  		if (touch) {
1734  			int x = le16_to_cpup((__le16 *)&data[i * 2 + 2]) & 0x7fff;
1735  			int y = le16_to_cpup((__le16 *)&data[i * 2 + 6]) & 0x7fff;
1736  
1737  			input_report_abs(input, ABS_MT_POSITION_X, x);
1738  			input_report_abs(input, ABS_MT_POSITION_Y, y);
1739  		}
1740  	}
1741  	input_mt_sync_frame(input);
1742  
1743  	/* keep touch state for pen event */
1744  	wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1745  
1746  	return 1;
1747  }
1748  
wacom_tpc_single_touch(struct wacom_wac * wacom,size_t len)1749  static int wacom_tpc_single_touch(struct wacom_wac *wacom, size_t len)
1750  {
1751  	unsigned char *data = wacom->data;
1752  	struct input_dev *input = wacom->touch_input;
1753  	bool prox = report_touch_events(wacom);
1754  	int x = 0, y = 0;
1755  
1756  	if (wacom->features.touch_max > 1 || len > WACOM_PKGLEN_TPC2FG)
1757  		return 0;
1758  
1759  	if (len == WACOM_PKGLEN_TPC1FG) {
1760  		prox = prox && (data[0] & 0x01);
1761  		x = get_unaligned_le16(&data[1]);
1762  		y = get_unaligned_le16(&data[3]);
1763  	} else if (len == WACOM_PKGLEN_TPC1FG_B) {
1764  		prox = prox && (data[2] & 0x01);
1765  		x = get_unaligned_le16(&data[3]);
1766  		y = get_unaligned_le16(&data[5]);
1767  	} else {
1768  		prox = prox && (data[1] & 0x01);
1769  		x = le16_to_cpup((__le16 *)&data[2]);
1770  		y = le16_to_cpup((__le16 *)&data[4]);
1771  	}
1772  
1773  	if (prox) {
1774  		input_report_abs(input, ABS_X, x);
1775  		input_report_abs(input, ABS_Y, y);
1776  	}
1777  	input_report_key(input, BTN_TOUCH, prox);
1778  
1779  	/* keep touch state for pen events */
1780  	wacom->shared->touch_down = prox;
1781  
1782  	return 1;
1783  }
1784  
wacom_tpc_pen(struct wacom_wac * wacom)1785  static int wacom_tpc_pen(struct wacom_wac *wacom)
1786  {
1787  	unsigned char *data = wacom->data;
1788  	struct input_dev *input = wacom->pen_input;
1789  	bool prox = data[1] & 0x20;
1790  
1791  	if (!wacom->shared->stylus_in_proximity) /* first in prox */
1792  		/* Going into proximity select tool */
1793  		wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
1794  
1795  	/* keep pen state for touch events */
1796  	wacom->shared->stylus_in_proximity = prox;
1797  
1798  	/* send pen events only when touch is up or forced out
1799  	 * or touch arbitration is off
1800  	 */
1801  	if (!delay_pen_events(wacom)) {
1802  		input_report_key(input, BTN_STYLUS, data[1] & 0x02);
1803  		input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
1804  		input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
1805  		input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
1806  		input_report_abs(input, ABS_PRESSURE, ((data[7] & 0x07) << 8) | data[6]);
1807  		input_report_key(input, BTN_TOUCH, data[1] & 0x05);
1808  		input_report_key(input, wacom->tool[0], prox);
1809  		return 1;
1810  	}
1811  
1812  	return 0;
1813  }
1814  
wacom_tpc_irq(struct wacom_wac * wacom,size_t len)1815  static int wacom_tpc_irq(struct wacom_wac *wacom, size_t len)
1816  {
1817  	unsigned char *data = wacom->data;
1818  
1819  	if (wacom->pen_input) {
1820  		dev_dbg(wacom->pen_input->dev.parent,
1821  			"%s: received report #%d\n", __func__, data[0]);
1822  
1823  		if (len == WACOM_PKGLEN_PENABLED ||
1824  		    data[0] == WACOM_REPORT_PENABLED)
1825  			return wacom_tpc_pen(wacom);
1826  	}
1827  	else if (wacom->touch_input) {
1828  		dev_dbg(wacom->touch_input->dev.parent,
1829  			"%s: received report #%d\n", __func__, data[0]);
1830  
1831  		switch (len) {
1832  		case WACOM_PKGLEN_TPC1FG:
1833  			return wacom_tpc_single_touch(wacom, len);
1834  
1835  		case WACOM_PKGLEN_TPC2FG:
1836  			return wacom_tpc_mt_touch(wacom);
1837  
1838  		default:
1839  			switch (data[0]) {
1840  			case WACOM_REPORT_TPC1FG:
1841  			case WACOM_REPORT_TPCHID:
1842  			case WACOM_REPORT_TPCST:
1843  			case WACOM_REPORT_TPC1FGE:
1844  				return wacom_tpc_single_touch(wacom, len);
1845  
1846  			case WACOM_REPORT_TPCMT:
1847  			case WACOM_REPORT_TPCMT2:
1848  				return wacom_mt_touch(wacom);
1849  
1850  			}
1851  		}
1852  	}
1853  
1854  	return 0;
1855  }
1856  
wacom_offset_rotation(struct input_dev * input,struct hid_usage * usage,int value,int num,int denom)1857  static int wacom_offset_rotation(struct input_dev *input, struct hid_usage *usage,
1858  				 int value, int num, int denom)
1859  {
1860  	struct input_absinfo *abs = &input->absinfo[usage->code];
1861  	int range = (abs->maximum - abs->minimum + 1);
1862  
1863  	value += num*range/denom;
1864  	if (value > abs->maximum)
1865  		value -= range;
1866  	else if (value < abs->minimum)
1867  		value += range;
1868  	return value;
1869  }
1870  
wacom_equivalent_usage(int usage)1871  int wacom_equivalent_usage(int usage)
1872  {
1873  	if ((usage & HID_USAGE_PAGE) == WACOM_HID_UP_WACOMDIGITIZER) {
1874  		int subpage = (usage & 0xFF00) << 8;
1875  		int subusage = (usage & 0xFF);
1876  
1877  		if (subpage == WACOM_HID_SP_PAD ||
1878  		    subpage == WACOM_HID_SP_BUTTON ||
1879  		    subpage == WACOM_HID_SP_DIGITIZER ||
1880  		    subpage == WACOM_HID_SP_DIGITIZERINFO ||
1881  		    usage == WACOM_HID_WD_SENSE ||
1882  		    usage == WACOM_HID_WD_SERIALHI ||
1883  		    usage == WACOM_HID_WD_TOOLTYPE ||
1884  		    usage == WACOM_HID_WD_DISTANCE ||
1885  		    usage == WACOM_HID_WD_TOUCHSTRIP ||
1886  		    usage == WACOM_HID_WD_TOUCHSTRIP2 ||
1887  		    usage == WACOM_HID_WD_TOUCHRING ||
1888  		    usage == WACOM_HID_WD_TOUCHRINGSTATUS ||
1889  		    usage == WACOM_HID_WD_REPORT_VALID ||
1890  		    usage == WACOM_HID_WD_BARRELSWITCH3 ||
1891  		    usage == WACOM_HID_WD_SEQUENCENUMBER) {
1892  			return usage;
1893  		}
1894  
1895  		if (subpage == HID_UP_UNDEFINED)
1896  			subpage = HID_UP_DIGITIZER;
1897  
1898  		return subpage | subusage;
1899  	}
1900  
1901  	if ((usage & HID_USAGE_PAGE) == WACOM_HID_UP_WACOMTOUCH) {
1902  		int subpage = (usage & 0xFF00) << 8;
1903  		int subusage = (usage & 0xFF);
1904  
1905  		if (usage == WACOM_HID_WT_REPORT_VALID)
1906  			return usage;
1907  
1908  		if (subpage == HID_UP_UNDEFINED)
1909  			subpage = WACOM_HID_SP_DIGITIZER;
1910  
1911  		return subpage | subusage;
1912  	}
1913  
1914  	return usage;
1915  }
1916  
wacom_map_usage(struct input_dev * input,struct hid_usage * usage,struct hid_field * field,__u8 type,__u16 code,int fuzz)1917  static void wacom_map_usage(struct input_dev *input, struct hid_usage *usage,
1918  		struct hid_field *field, __u8 type, __u16 code, int fuzz)
1919  {
1920  	struct wacom *wacom = input_get_drvdata(input);
1921  	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1922  	struct wacom_features *features = &wacom_wac->features;
1923  	int fmin = field->logical_minimum;
1924  	int fmax = field->logical_maximum;
1925  	unsigned int equivalent_usage = wacom_equivalent_usage(usage->hid);
1926  	int resolution_code = code;
1927  	int resolution;
1928  
1929  	if (equivalent_usage == HID_DG_TWIST) {
1930  		resolution_code = ABS_RZ;
1931  	}
1932  
1933  	resolution = hidinput_calc_abs_res(field, resolution_code);
1934  
1935  	if (equivalent_usage == HID_GD_X) {
1936  		fmin += features->offset_left;
1937  		fmax -= features->offset_right;
1938  	}
1939  	if (equivalent_usage == HID_GD_Y) {
1940  		fmin += features->offset_top;
1941  		fmax -= features->offset_bottom;
1942  	}
1943  
1944  	usage->type = type;
1945  	usage->code = code;
1946  
1947  	switch (type) {
1948  	case EV_ABS:
1949  		input_set_abs_params(input, code, fmin, fmax, fuzz, 0);
1950  
1951  		/* older tablet may miss physical usage */
1952  		if ((code == ABS_X || code == ABS_Y) && !resolution) {
1953  			resolution = WACOM_INTUOS_RES;
1954  			hid_warn(input,
1955  				 "Wacom usage (%d) missing resolution \n",
1956  				 code);
1957  		}
1958  		input_abs_set_res(input, code, resolution);
1959  		break;
1960  	case EV_KEY:
1961  	case EV_MSC:
1962  	case EV_SW:
1963  		input_set_capability(input, type, code);
1964  		break;
1965  	}
1966  }
1967  
wacom_wac_battery_usage_mapping(struct hid_device * hdev,struct hid_field * field,struct hid_usage * usage)1968  static void wacom_wac_battery_usage_mapping(struct hid_device *hdev,
1969  		struct hid_field *field, struct hid_usage *usage)
1970  {
1971  	return;
1972  }
1973  
wacom_wac_battery_event(struct hid_device * hdev,struct hid_field * field,struct hid_usage * usage,__s32 value)1974  static void wacom_wac_battery_event(struct hid_device *hdev, struct hid_field *field,
1975  		struct hid_usage *usage, __s32 value)
1976  {
1977  	struct wacom *wacom = hid_get_drvdata(hdev);
1978  	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1979  	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
1980  
1981  	switch (equivalent_usage) {
1982  	case HID_DG_BATTERYSTRENGTH:
1983  		if (value == 0) {
1984  			wacom_wac->hid_data.bat_status = POWER_SUPPLY_STATUS_UNKNOWN;
1985  		}
1986  		else {
1987  			value = value * 100 / (field->logical_maximum - field->logical_minimum);
1988  			wacom_wac->hid_data.battery_capacity = value;
1989  			wacom_wac->hid_data.bat_connected = 1;
1990  			wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
1991  		}
1992  		wacom_wac->features.quirks |= WACOM_QUIRK_BATTERY;
1993  		break;
1994  	case WACOM_HID_WD_BATTERY_LEVEL:
1995  		value = value * 100 / (field->logical_maximum - field->logical_minimum);
1996  		wacom_wac->hid_data.battery_capacity = value;
1997  		wacom_wac->hid_data.bat_connected = 1;
1998  		wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
1999  		wacom_wac->features.quirks |= WACOM_QUIRK_BATTERY;
2000  		break;
2001  	case WACOM_HID_WD_BATTERY_CHARGING:
2002  		wacom_wac->hid_data.bat_charging = value;
2003  		wacom_wac->hid_data.ps_connected = value;
2004  		wacom_wac->hid_data.bat_connected = 1;
2005  		wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
2006  		wacom_wac->features.quirks |= WACOM_QUIRK_BATTERY;
2007  		break;
2008  	}
2009  }
2010  
wacom_wac_battery_pre_report(struct hid_device * hdev,struct hid_report * report)2011  static void wacom_wac_battery_pre_report(struct hid_device *hdev,
2012  		struct hid_report *report)
2013  {
2014  	return;
2015  }
2016  
wacom_wac_battery_report(struct hid_device * hdev,struct hid_report * report)2017  static void wacom_wac_battery_report(struct hid_device *hdev,
2018  		struct hid_report *report)
2019  {
2020  	struct wacom *wacom = hid_get_drvdata(hdev);
2021  	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2022  
2023  	int status = wacom_wac->hid_data.bat_status;
2024  	int capacity = wacom_wac->hid_data.battery_capacity;
2025  	bool charging = wacom_wac->hid_data.bat_charging;
2026  	bool connected = wacom_wac->hid_data.bat_connected;
2027  	bool powered = wacom_wac->hid_data.ps_connected;
2028  
2029  	wacom_notify_battery(wacom_wac, status, capacity, charging,
2030  			     connected, powered);
2031  }
2032  
wacom_wac_pad_usage_mapping(struct hid_device * hdev,struct hid_field * field,struct hid_usage * usage)2033  static void wacom_wac_pad_usage_mapping(struct hid_device *hdev,
2034  		struct hid_field *field, struct hid_usage *usage)
2035  {
2036  	struct wacom *wacom = hid_get_drvdata(hdev);
2037  	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2038  	struct wacom_features *features = &wacom_wac->features;
2039  	struct input_dev *input = wacom_wac->pad_input;
2040  	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2041  
2042  	switch (equivalent_usage) {
2043  	case WACOM_HID_WD_ACCELEROMETER_X:
2044  		__set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
2045  		wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 0);
2046  		features->device_type |= WACOM_DEVICETYPE_PAD;
2047  		break;
2048  	case WACOM_HID_WD_ACCELEROMETER_Y:
2049  		__set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
2050  		wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 0);
2051  		features->device_type |= WACOM_DEVICETYPE_PAD;
2052  		break;
2053  	case WACOM_HID_WD_ACCELEROMETER_Z:
2054  		__set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
2055  		wacom_map_usage(input, usage, field, EV_ABS, ABS_Z, 0);
2056  		features->device_type |= WACOM_DEVICETYPE_PAD;
2057  		break;
2058  	case WACOM_HID_WD_BUTTONCENTER:
2059  	case WACOM_HID_WD_BUTTONHOME:
2060  	case WACOM_HID_WD_BUTTONUP:
2061  	case WACOM_HID_WD_BUTTONDOWN:
2062  	case WACOM_HID_WD_BUTTONLEFT:
2063  	case WACOM_HID_WD_BUTTONRIGHT:
2064  		wacom_map_usage(input, usage, field, EV_KEY,
2065  				wacom_numbered_button_to_key(features->numbered_buttons),
2066  				0);
2067  		features->numbered_buttons++;
2068  		features->device_type |= WACOM_DEVICETYPE_PAD;
2069  		break;
2070  	case WACOM_HID_WD_MUTE_DEVICE:
2071  		/* softkey touch switch */
2072  		wacom_wac->is_soft_touch_switch = true;
2073  		fallthrough;
2074  	case WACOM_HID_WD_TOUCHONOFF:
2075  		/*
2076  		 * These two usages, which are used to mute touch events, come
2077  		 * from the pad packet, but are reported on the touch
2078  		 * interface. Because the touch interface may not have
2079  		 * been created yet, we cannot call wacom_map_usage(). In
2080  		 * order to process the usages when we receive them, we set
2081  		 * the usage type and code directly.
2082  		 */
2083  		wacom_wac->has_mute_touch_switch = true;
2084  		usage->type = EV_SW;
2085  		usage->code = SW_MUTE_DEVICE;
2086  		break;
2087  	case WACOM_HID_WD_TOUCHSTRIP:
2088  		wacom_map_usage(input, usage, field, EV_ABS, ABS_RX, 0);
2089  		features->device_type |= WACOM_DEVICETYPE_PAD;
2090  		break;
2091  	case WACOM_HID_WD_TOUCHSTRIP2:
2092  		wacom_map_usage(input, usage, field, EV_ABS, ABS_RY, 0);
2093  		features->device_type |= WACOM_DEVICETYPE_PAD;
2094  		break;
2095  	case WACOM_HID_WD_TOUCHRING:
2096  		wacom_map_usage(input, usage, field, EV_ABS, ABS_WHEEL, 0);
2097  		features->device_type |= WACOM_DEVICETYPE_PAD;
2098  		break;
2099  	case WACOM_HID_WD_TOUCHRINGSTATUS:
2100  		/*
2101  		 * Only set up type/code association. Completely mapping
2102  		 * this usage may overwrite the axis resolution and range.
2103  		 */
2104  		usage->type = EV_ABS;
2105  		usage->code = ABS_WHEEL;
2106  		set_bit(EV_ABS, input->evbit);
2107  		features->device_type |= WACOM_DEVICETYPE_PAD;
2108  		break;
2109  	case WACOM_HID_WD_BUTTONCONFIG:
2110  		wacom_map_usage(input, usage, field, EV_KEY, KEY_BUTTONCONFIG, 0);
2111  		features->device_type |= WACOM_DEVICETYPE_PAD;
2112  		break;
2113  	case WACOM_HID_WD_ONSCREEN_KEYBOARD:
2114  		wacom_map_usage(input, usage, field, EV_KEY, KEY_ONSCREEN_KEYBOARD, 0);
2115  		features->device_type |= WACOM_DEVICETYPE_PAD;
2116  		break;
2117  	case WACOM_HID_WD_CONTROLPANEL:
2118  		wacom_map_usage(input, usage, field, EV_KEY, KEY_CONTROLPANEL, 0);
2119  		features->device_type |= WACOM_DEVICETYPE_PAD;
2120  		break;
2121  	case WACOM_HID_WD_MODE_CHANGE:
2122  		/* do not overwrite previous data */
2123  		if (!wacom_wac->has_mode_change) {
2124  			wacom_wac->has_mode_change = true;
2125  			wacom_wac->is_direct_mode = true;
2126  		}
2127  		features->device_type |= WACOM_DEVICETYPE_PAD;
2128  		break;
2129  	}
2130  
2131  	switch (equivalent_usage & 0xfffffff0) {
2132  	case WACOM_HID_WD_EXPRESSKEY00:
2133  		wacom_map_usage(input, usage, field, EV_KEY,
2134  				wacom_numbered_button_to_key(features->numbered_buttons),
2135  				0);
2136  		features->numbered_buttons++;
2137  		features->device_type |= WACOM_DEVICETYPE_PAD;
2138  		break;
2139  	}
2140  }
2141  
wacom_wac_pad_event(struct hid_device * hdev,struct hid_field * field,struct hid_usage * usage,__s32 value)2142  static void wacom_wac_pad_event(struct hid_device *hdev, struct hid_field *field,
2143  		struct hid_usage *usage, __s32 value)
2144  {
2145  	struct wacom *wacom = hid_get_drvdata(hdev);
2146  	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2147  	struct input_dev *input = wacom_wac->pad_input;
2148  	struct wacom_features *features = &wacom_wac->features;
2149  	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2150  	int i;
2151  	bool do_report = false;
2152  
2153  	/*
2154  	 * Avoid reporting this event and setting inrange_state if this usage
2155  	 * hasn't been mapped.
2156  	 */
2157  	if (!usage->type && equivalent_usage != WACOM_HID_WD_MODE_CHANGE)
2158  		return;
2159  
2160  	if (wacom_equivalent_usage(field->physical) == HID_DG_TABLETFUNCTIONKEY) {
2161  		if (usage->hid != WACOM_HID_WD_TOUCHRING)
2162  			wacom_wac->hid_data.inrange_state |= value;
2163  	}
2164  
2165  	/* Process touch switch state first since it is reported through touch interface,
2166  	 * which is indepentent of pad interface. In the case when there are no other pad
2167  	 * events, the pad interface will not even be created.
2168  	 */
2169  	if ((equivalent_usage == WACOM_HID_WD_MUTE_DEVICE) ||
2170  	   (equivalent_usage == WACOM_HID_WD_TOUCHONOFF)) {
2171  		if (wacom_wac->shared->touch_input) {
2172  			bool *is_touch_on = &wacom_wac->shared->is_touch_on;
2173  
2174  			if (equivalent_usage == WACOM_HID_WD_MUTE_DEVICE && value)
2175  				*is_touch_on = !(*is_touch_on);
2176  			else if (equivalent_usage == WACOM_HID_WD_TOUCHONOFF)
2177  				*is_touch_on = value;
2178  
2179  			input_report_switch(wacom_wac->shared->touch_input,
2180  					    SW_MUTE_DEVICE, !(*is_touch_on));
2181  			input_sync(wacom_wac->shared->touch_input);
2182  		}
2183  		return;
2184  	}
2185  
2186  	if (!input)
2187  		return;
2188  
2189  	switch (equivalent_usage) {
2190  	case WACOM_HID_WD_TOUCHRING:
2191  		/*
2192  		 * Userspace expects touchrings to increase in value with
2193  		 * clockwise gestures and have their zero point at the
2194  		 * tablet's left. HID events "should" be clockwise-
2195  		 * increasing and zero at top, though the MobileStudio
2196  		 * Pro and 2nd-gen Intuos Pro don't do this...
2197  		 */
2198  		if (hdev->vendor == 0x56a &&
2199  		    (hdev->product == 0x34d || hdev->product == 0x34e ||  /* MobileStudio Pro */
2200  		     hdev->product == 0x357 || hdev->product == 0x358 ||  /* Intuos Pro 2 */
2201  		     hdev->product == 0x392 ||				  /* Intuos Pro 2 */
2202  		     hdev->product == 0x398 || hdev->product == 0x399 ||  /* MobileStudio Pro */
2203  		     hdev->product == 0x3AA)) {				  /* MobileStudio Pro */
2204  			value = (field->logical_maximum - value);
2205  
2206  			if (hdev->product == 0x357 || hdev->product == 0x358 ||
2207  			    hdev->product == 0x392)
2208  				value = wacom_offset_rotation(input, usage, value, 3, 16);
2209  			else if (hdev->product == 0x34d || hdev->product == 0x34e ||
2210  				 hdev->product == 0x398 || hdev->product == 0x399 ||
2211  				 hdev->product == 0x3AA)
2212  				value = wacom_offset_rotation(input, usage, value, 1, 2);
2213  		}
2214  		else {
2215  			value = wacom_offset_rotation(input, usage, value, 1, 4);
2216  		}
2217  		do_report = true;
2218  		break;
2219  	case WACOM_HID_WD_TOUCHRINGSTATUS:
2220  		if (!value)
2221  			input_event(input, usage->type, usage->code, 0);
2222  		break;
2223  
2224  	case WACOM_HID_WD_MODE_CHANGE:
2225  		if (wacom_wac->is_direct_mode != value) {
2226  			wacom_wac->is_direct_mode = value;
2227  			wacom_schedule_work(&wacom->wacom_wac, WACOM_WORKER_MODE_CHANGE);
2228  		}
2229  		break;
2230  
2231  	case WACOM_HID_WD_BUTTONCENTER:
2232  		for (i = 0; i < wacom->led.count; i++)
2233  			wacom_update_led(wacom, features->numbered_buttons,
2234  					 value, i);
2235  		fallthrough;
2236  	default:
2237  		do_report = true;
2238  		break;
2239  	}
2240  
2241  	if (do_report) {
2242  		input_event(input, usage->type, usage->code, value);
2243  		if (value)
2244  			wacom_wac->hid_data.pad_input_event_flag = true;
2245  	}
2246  }
2247  
wacom_wac_pad_pre_report(struct hid_device * hdev,struct hid_report * report)2248  static void wacom_wac_pad_pre_report(struct hid_device *hdev,
2249  		struct hid_report *report)
2250  {
2251  	struct wacom *wacom = hid_get_drvdata(hdev);
2252  	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2253  
2254  	wacom_wac->hid_data.inrange_state = 0;
2255  }
2256  
wacom_wac_pad_report(struct hid_device * hdev,struct hid_report * report,struct hid_field * field)2257  static void wacom_wac_pad_report(struct hid_device *hdev,
2258  		struct hid_report *report, struct hid_field *field)
2259  {
2260  	struct wacom *wacom = hid_get_drvdata(hdev);
2261  	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2262  	struct input_dev *input = wacom_wac->pad_input;
2263  	bool active = wacom_wac->hid_data.inrange_state != 0;
2264  
2265  	/* report prox for expresskey events */
2266  	if (wacom_wac->hid_data.pad_input_event_flag) {
2267  		input_event(input, EV_ABS, ABS_MISC, active ? PAD_DEVICE_ID : 0);
2268  		input_sync(input);
2269  		if (!active)
2270  			wacom_wac->hid_data.pad_input_event_flag = false;
2271  	}
2272  }
2273  
wacom_set_barrel_switch3_usage(struct wacom_wac * wacom_wac)2274  static void wacom_set_barrel_switch3_usage(struct wacom_wac *wacom_wac)
2275  {
2276  	struct input_dev *input = wacom_wac->pen_input;
2277  	struct wacom_features *features = &wacom_wac->features;
2278  
2279  	if (!(features->quirks & WACOM_QUIRK_AESPEN) &&
2280  	    wacom_wac->hid_data.barrelswitch &&
2281  	    wacom_wac->hid_data.barrelswitch2 &&
2282  	    wacom_wac->hid_data.serialhi &&
2283  	    !wacom_wac->hid_data.barrelswitch3) {
2284  		input_set_capability(input, EV_KEY, BTN_STYLUS3);
2285  		features->quirks |= WACOM_QUIRK_PEN_BUTTON3;
2286  	}
2287  }
2288  
wacom_wac_pen_usage_mapping(struct hid_device * hdev,struct hid_field * field,struct hid_usage * usage)2289  static void wacom_wac_pen_usage_mapping(struct hid_device *hdev,
2290  		struct hid_field *field, struct hid_usage *usage)
2291  {
2292  	struct wacom *wacom = hid_get_drvdata(hdev);
2293  	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2294  	struct wacom_features *features = &wacom_wac->features;
2295  	struct input_dev *input = wacom_wac->pen_input;
2296  	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2297  
2298  	switch (equivalent_usage) {
2299  	case HID_GD_X:
2300  		wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 4);
2301  		break;
2302  	case HID_GD_Y:
2303  		wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 4);
2304  		break;
2305  	case WACOM_HID_WD_DISTANCE:
2306  	case HID_GD_Z:
2307  		wacom_map_usage(input, usage, field, EV_ABS, ABS_DISTANCE, 0);
2308  		break;
2309  	case HID_DG_TIPPRESSURE:
2310  		wacom_map_usage(input, usage, field, EV_ABS, ABS_PRESSURE, 0);
2311  		break;
2312  	case HID_DG_INRANGE:
2313  		wacom_map_usage(input, usage, field, EV_KEY, BTN_TOOL_PEN, 0);
2314  		break;
2315  	case HID_DG_INVERT:
2316  		wacom_map_usage(input, usage, field, EV_KEY,
2317  				BTN_TOOL_RUBBER, 0);
2318  		break;
2319  	case HID_DG_TILT_X:
2320  		wacom_map_usage(input, usage, field, EV_ABS, ABS_TILT_X, 0);
2321  		break;
2322  	case HID_DG_TILT_Y:
2323  		wacom_map_usage(input, usage, field, EV_ABS, ABS_TILT_Y, 0);
2324  		break;
2325  	case HID_DG_TWIST:
2326  		wacom_map_usage(input, usage, field, EV_ABS, ABS_Z, 0);
2327  		break;
2328  	case HID_DG_ERASER:
2329  		input_set_capability(input, EV_KEY, BTN_TOOL_RUBBER);
2330  		wacom_map_usage(input, usage, field, EV_KEY, BTN_TOUCH, 0);
2331  		break;
2332  	case HID_DG_TIPSWITCH:
2333  		input_set_capability(input, EV_KEY, BTN_TOOL_PEN);
2334  		wacom_map_usage(input, usage, field, EV_KEY, BTN_TOUCH, 0);
2335  		break;
2336  	case HID_DG_BARRELSWITCH:
2337  		wacom_wac->hid_data.barrelswitch = true;
2338  		wacom_set_barrel_switch3_usage(wacom_wac);
2339  		wacom_map_usage(input, usage, field, EV_KEY, BTN_STYLUS, 0);
2340  		break;
2341  	case HID_DG_BARRELSWITCH2:
2342  		wacom_wac->hid_data.barrelswitch2 = true;
2343  		wacom_set_barrel_switch3_usage(wacom_wac);
2344  		wacom_map_usage(input, usage, field, EV_KEY, BTN_STYLUS2, 0);
2345  		break;
2346  	case HID_DG_TOOLSERIALNUMBER:
2347  		features->quirks |= WACOM_QUIRK_TOOLSERIAL;
2348  		wacom_map_usage(input, usage, field, EV_MSC, MSC_SERIAL, 0);
2349  		break;
2350  	case HID_DG_SCANTIME:
2351  		wacom_map_usage(input, usage, field, EV_MSC, MSC_TIMESTAMP, 0);
2352  		break;
2353  	case WACOM_HID_WD_SENSE:
2354  		features->quirks |= WACOM_QUIRK_SENSE;
2355  		wacom_map_usage(input, usage, field, EV_KEY, BTN_TOOL_PEN, 0);
2356  		break;
2357  	case WACOM_HID_WD_SERIALHI:
2358  		wacom_wac->hid_data.serialhi = true;
2359  		wacom_set_barrel_switch3_usage(wacom_wac);
2360  		wacom_map_usage(input, usage, field, EV_ABS, ABS_MISC, 0);
2361  		break;
2362  	case WACOM_HID_WD_FINGERWHEEL:
2363  		input_set_capability(input, EV_KEY, BTN_TOOL_AIRBRUSH);
2364  		wacom_map_usage(input, usage, field, EV_ABS, ABS_WHEEL, 0);
2365  		break;
2366  	case WACOM_HID_WD_BARRELSWITCH3:
2367  		wacom_wac->hid_data.barrelswitch3 = true;
2368  		wacom_map_usage(input, usage, field, EV_KEY, BTN_STYLUS3, 0);
2369  		features->quirks &= ~WACOM_QUIRK_PEN_BUTTON3;
2370  		break;
2371  	case WACOM_HID_WD_SEQUENCENUMBER:
2372  		wacom_wac->hid_data.sequence_number = -1;
2373  		break;
2374  	}
2375  }
2376  
wacom_wac_pen_event(struct hid_device * hdev,struct hid_field * field,struct hid_usage * usage,__s32 value)2377  static void wacom_wac_pen_event(struct hid_device *hdev, struct hid_field *field,
2378  		struct hid_usage *usage, __s32 value)
2379  {
2380  	struct wacom *wacom = hid_get_drvdata(hdev);
2381  	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2382  	struct wacom_features *features = &wacom_wac->features;
2383  	struct input_dev *input = wacom_wac->pen_input;
2384  	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2385  
2386  	if (wacom_wac->is_invalid_bt_frame)
2387  		return;
2388  
2389  	switch (equivalent_usage) {
2390  	case HID_GD_Z:
2391  		/*
2392  		 * HID_GD_Z "should increase as the control's position is
2393  		 * moved from high to low", while ABS_DISTANCE instead
2394  		 * increases in value as the tool moves from low to high.
2395  		 */
2396  		value = field->logical_maximum - value;
2397  		break;
2398  	case HID_DG_INRANGE:
2399  		mod_timer(&wacom->idleprox_timer, jiffies + msecs_to_jiffies(100));
2400  		wacom_wac->hid_data.inrange_state = value;
2401  		if (!(features->quirks & WACOM_QUIRK_SENSE))
2402  			wacom_wac->hid_data.sense_state = value;
2403  		return;
2404  	case HID_DG_INVERT:
2405  		wacom_wac->hid_data.invert_state = value;
2406  		return;
2407  	case HID_DG_ERASER:
2408  	case HID_DG_TIPSWITCH:
2409  		wacom_wac->hid_data.tipswitch |= value;
2410  		return;
2411  	case HID_DG_BARRELSWITCH:
2412  		wacom_wac->hid_data.barrelswitch = value;
2413  		return;
2414  	case HID_DG_BARRELSWITCH2:
2415  		wacom_wac->hid_data.barrelswitch2 = value;
2416  		return;
2417  	case HID_DG_TOOLSERIALNUMBER:
2418  		if (value) {
2419  			wacom_wac->serial[0] = (wacom_wac->serial[0] & ~0xFFFFFFFFULL);
2420  			wacom_wac->serial[0] |= wacom_s32tou(value, field->report_size);
2421  		}
2422  		return;
2423  	case HID_DG_TWIST:
2424  		/* don't modify the value if the pen doesn't support the feature */
2425  		if (!wacom_is_art_pen(wacom_wac->id[0])) return;
2426  
2427  		/*
2428  		 * Userspace expects pen twist to have its zero point when
2429  		 * the buttons/finger is on the tablet's left. HID values
2430  		 * are zero when buttons are toward the top.
2431  		 */
2432  		value = wacom_offset_rotation(input, usage, value, 1, 4);
2433  		break;
2434  	case WACOM_HID_WD_SENSE:
2435  		wacom_wac->hid_data.sense_state = value;
2436  		return;
2437  	case WACOM_HID_WD_SERIALHI:
2438  		if (value) {
2439  			__u32 raw_value = wacom_s32tou(value, field->report_size);
2440  
2441  			wacom_wac->serial[0] = (wacom_wac->serial[0] & 0xFFFFFFFF);
2442  			wacom_wac->serial[0] |= ((__u64)raw_value) << 32;
2443  			/*
2444  			 * Non-USI EMR devices may contain additional tool type
2445  			 * information here. See WACOM_HID_WD_TOOLTYPE case for
2446  			 * more details.
2447  			 */
2448  			if (value >> 20 == 1) {
2449  				wacom_wac->id[0] |= raw_value & 0xFFFFF;
2450  			}
2451  		}
2452  		return;
2453  	case WACOM_HID_WD_TOOLTYPE:
2454  		/*
2455  		 * Some devices (MobileStudio Pro, and possibly later
2456  		 * devices as well) do not return the complete tool
2457  		 * type in their WACOM_HID_WD_TOOLTYPE usage. Use a
2458  		 * bitwise OR so the complete value can be built
2459  		 * up over time :(
2460  		 */
2461  		wacom_wac->id[0] |= wacom_s32tou(value, field->report_size);
2462  		return;
2463  	case WACOM_HID_WD_OFFSETLEFT:
2464  		if (features->offset_left && value != features->offset_left)
2465  			hid_warn(hdev, "%s: overriding existing left offset "
2466  				 "%d -> %d\n", __func__, value,
2467  				 features->offset_left);
2468  		features->offset_left = value;
2469  		return;
2470  	case WACOM_HID_WD_OFFSETRIGHT:
2471  		if (features->offset_right && value != features->offset_right)
2472  			hid_warn(hdev, "%s: overriding existing right offset "
2473  				 "%d -> %d\n", __func__, value,
2474  				 features->offset_right);
2475  		features->offset_right = value;
2476  		return;
2477  	case WACOM_HID_WD_OFFSETTOP:
2478  		if (features->offset_top && value != features->offset_top)
2479  			hid_warn(hdev, "%s: overriding existing top offset "
2480  				 "%d -> %d\n", __func__, value,
2481  				 features->offset_top);
2482  		features->offset_top = value;
2483  		return;
2484  	case WACOM_HID_WD_OFFSETBOTTOM:
2485  		if (features->offset_bottom && value != features->offset_bottom)
2486  			hid_warn(hdev, "%s: overriding existing bottom offset "
2487  				 "%d -> %d\n", __func__, value,
2488  				 features->offset_bottom);
2489  		features->offset_bottom = value;
2490  		return;
2491  	case WACOM_HID_WD_REPORT_VALID:
2492  		wacom_wac->is_invalid_bt_frame = !value;
2493  		return;
2494  	case WACOM_HID_WD_BARRELSWITCH3:
2495  		wacom_wac->hid_data.barrelswitch3 = value;
2496  		return;
2497  	case WACOM_HID_WD_SEQUENCENUMBER:
2498  		if (wacom_wac->hid_data.sequence_number != value &&
2499  		    wacom_wac->hid_data.sequence_number >= 0) {
2500  			int sequence_size = field->logical_maximum - field->logical_minimum + 1;
2501  			int drop_count = (value - wacom_wac->hid_data.sequence_number) % sequence_size;
2502  			hid_warn(hdev, "Dropped %d packets", drop_count);
2503  		}
2504  		wacom_wac->hid_data.sequence_number = value + 1;
2505  		if (wacom_wac->hid_data.sequence_number > field->logical_maximum)
2506  			wacom_wac->hid_data.sequence_number = field->logical_minimum;
2507  		return;
2508  	}
2509  
2510  	/* send pen events only when touch is up or forced out
2511  	 * or touch arbitration is off
2512  	 */
2513  	if (!usage->type || delay_pen_events(wacom_wac))
2514  		return;
2515  
2516  	/* send pen events only when the pen is in range */
2517  	if (wacom_wac->hid_data.inrange_state)
2518  		input_event(input, usage->type, usage->code, value);
2519  	else if (wacom_wac->shared->stylus_in_proximity && !wacom_wac->hid_data.sense_state)
2520  		input_event(input, usage->type, usage->code, 0);
2521  }
2522  
wacom_wac_pen_pre_report(struct hid_device * hdev,struct hid_report * report)2523  static void wacom_wac_pen_pre_report(struct hid_device *hdev,
2524  		struct hid_report *report)
2525  {
2526  	struct wacom *wacom = hid_get_drvdata(hdev);
2527  	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2528  
2529  	wacom_wac->is_invalid_bt_frame = false;
2530  	return;
2531  }
2532  
wacom_wac_pen_report(struct hid_device * hdev,struct hid_report * report)2533  static void wacom_wac_pen_report(struct hid_device *hdev,
2534  		struct hid_report *report)
2535  {
2536  	struct wacom *wacom = hid_get_drvdata(hdev);
2537  	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2538  	struct input_dev *input = wacom_wac->pen_input;
2539  	bool range = wacom_wac->hid_data.inrange_state;
2540  	bool sense = wacom_wac->hid_data.sense_state;
2541  
2542  	if (wacom_wac->is_invalid_bt_frame)
2543  		return;
2544  
2545  	if (!wacom_wac->tool[0] && range) { /* first in range */
2546  		/* Going into range select tool */
2547  		if (wacom_wac->hid_data.invert_state)
2548  			wacom_wac->tool[0] = BTN_TOOL_RUBBER;
2549  		else if (wacom_wac->id[0])
2550  			wacom_wac->tool[0] = wacom_intuos_get_tool_type(wacom_wac->id[0]);
2551  		else
2552  			wacom_wac->tool[0] = BTN_TOOL_PEN;
2553  	}
2554  
2555  	/* keep pen state for touch events */
2556  	wacom_wac->shared->stylus_in_proximity = sense;
2557  
2558  	if (!delay_pen_events(wacom_wac) && wacom_wac->tool[0]) {
2559  		int id = wacom_wac->id[0];
2560  		if (wacom_wac->features.quirks & WACOM_QUIRK_PEN_BUTTON3) {
2561  			int sw_state = wacom_wac->hid_data.barrelswitch |
2562  				       (wacom_wac->hid_data.barrelswitch2 << 1);
2563  			wacom_wac->hid_data.barrelswitch = sw_state == 1;
2564  			wacom_wac->hid_data.barrelswitch2 = sw_state == 2;
2565  			wacom_wac->hid_data.barrelswitch3 = sw_state == 3;
2566  		}
2567  		input_report_key(input, BTN_STYLUS, wacom_wac->hid_data.barrelswitch);
2568  		input_report_key(input, BTN_STYLUS2, wacom_wac->hid_data.barrelswitch2);
2569  		input_report_key(input, BTN_STYLUS3, wacom_wac->hid_data.barrelswitch3);
2570  
2571  		/*
2572  		 * Non-USI EMR tools should have their IDs mangled to
2573  		 * match the legacy behavior of wacom_intuos_general
2574  		 */
2575  		if (wacom_wac->serial[0] >> 52 == 1)
2576  			id = wacom_intuos_id_mangle(id);
2577  
2578  		/*
2579  		 * To ensure compatibility with xf86-input-wacom, we should
2580  		 * report the BTN_TOOL_* event prior to the ABS_MISC or
2581  		 * MSC_SERIAL events.
2582  		 */
2583  		input_report_key(input, BTN_TOUCH,
2584  				wacom_wac->hid_data.tipswitch);
2585  		input_report_key(input, wacom_wac->tool[0], sense);
2586  		if (wacom_wac->serial[0]) {
2587  			/*
2588  			 * xf86-input-wacom does not accept a serial number
2589  			 * of '0'. Report the low 32 bits if possible, but
2590  			 * if they are zero, report the upper ones instead.
2591  			 */
2592  			__u32 serial_lo = wacom_wac->serial[0] & 0xFFFFFFFFu;
2593  			__u32 serial_hi = wacom_wac->serial[0] >> 32;
2594  			input_event(input, EV_MSC, MSC_SERIAL, (int)(serial_lo ? serial_lo : serial_hi));
2595  			input_report_abs(input, ABS_MISC, sense ? id : 0);
2596  		}
2597  
2598  		wacom_wac->hid_data.tipswitch = false;
2599  
2600  		input_sync(input);
2601  	}
2602  
2603  	if (!sense) {
2604  		wacom_wac->tool[0] = 0;
2605  		wacom_wac->id[0] = 0;
2606  		wacom_wac->serial[0] = 0;
2607  	}
2608  }
2609  
wacom_wac_finger_usage_mapping(struct hid_device * hdev,struct hid_field * field,struct hid_usage * usage)2610  static void wacom_wac_finger_usage_mapping(struct hid_device *hdev,
2611  		struct hid_field *field, struct hid_usage *usage)
2612  {
2613  	struct wacom *wacom = hid_get_drvdata(hdev);
2614  	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2615  	struct input_dev *input = wacom_wac->touch_input;
2616  	unsigned touch_max = wacom_wac->features.touch_max;
2617  	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2618  
2619  	switch (equivalent_usage) {
2620  	case HID_GD_X:
2621  		if (touch_max == 1)
2622  			wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 4);
2623  		else
2624  			wacom_map_usage(input, usage, field, EV_ABS,
2625  					ABS_MT_POSITION_X, 4);
2626  		break;
2627  	case HID_GD_Y:
2628  		if (touch_max == 1)
2629  			wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 4);
2630  		else
2631  			wacom_map_usage(input, usage, field, EV_ABS,
2632  					ABS_MT_POSITION_Y, 4);
2633  		break;
2634  	case HID_DG_WIDTH:
2635  	case HID_DG_HEIGHT:
2636  		wacom_map_usage(input, usage, field, EV_ABS, ABS_MT_TOUCH_MAJOR, 0);
2637  		wacom_map_usage(input, usage, field, EV_ABS, ABS_MT_TOUCH_MINOR, 0);
2638  		input_set_abs_params(input, ABS_MT_ORIENTATION, 0, 1, 0, 0);
2639  		break;
2640  	case HID_DG_TIPSWITCH:
2641  		wacom_map_usage(input, usage, field, EV_KEY, BTN_TOUCH, 0);
2642  		break;
2643  	case HID_DG_CONTACTCOUNT:
2644  		wacom_wac->hid_data.cc_report = field->report->id;
2645  		wacom_wac->hid_data.cc_index = field->index;
2646  		wacom_wac->hid_data.cc_value_index = usage->usage_index;
2647  		break;
2648  	case HID_DG_CONTACTID:
2649  		if ((field->logical_maximum - field->logical_minimum) < touch_max) {
2650  			/*
2651  			 * The HID descriptor for G11 sensors leaves logical
2652  			 * maximum set to '1' despite it being a multitouch
2653  			 * device. Override to a sensible number.
2654  			 */
2655  			field->logical_maximum = 255;
2656  		}
2657  		break;
2658  	case HID_DG_SCANTIME:
2659  		wacom_map_usage(input, usage, field, EV_MSC, MSC_TIMESTAMP, 0);
2660  		break;
2661  	}
2662  }
2663  
wacom_wac_finger_slot(struct wacom_wac * wacom_wac,struct input_dev * input)2664  static void wacom_wac_finger_slot(struct wacom_wac *wacom_wac,
2665  		struct input_dev *input)
2666  {
2667  	struct hid_data *hid_data = &wacom_wac->hid_data;
2668  	bool mt = wacom_wac->features.touch_max > 1;
2669  	bool touch_down = hid_data->tipswitch && hid_data->confidence;
2670  	bool prox = touch_down && report_touch_events(wacom_wac);
2671  
2672  	if (touch_is_muted(wacom_wac)) {
2673  		if (!wacom_wac->shared->touch_down)
2674  			return;
2675  		prox = false;
2676  	}
2677  
2678  	wacom_wac->hid_data.num_received++;
2679  	if (wacom_wac->hid_data.num_received > wacom_wac->hid_data.num_expected)
2680  		return;
2681  
2682  	if (mt) {
2683  		int slot;
2684  
2685  		slot = input_mt_get_slot_by_key(input, hid_data->id);
2686  		if (slot < 0) {
2687  			return;
2688  		} else {
2689  			struct input_mt_slot *ps = &input->mt->slots[slot];
2690  			int mt_id = input_mt_get_value(ps, ABS_MT_TRACKING_ID);
2691  
2692  			if (!prox && mt_id < 0) {
2693  				// No data to send for this slot; short-circuit
2694  				return;
2695  			}
2696  		}
2697  
2698  		input_mt_slot(input, slot);
2699  		input_mt_report_slot_state(input, MT_TOOL_FINGER, prox);
2700  	}
2701  	else {
2702  		input_report_key(input, BTN_TOUCH, prox);
2703  	}
2704  
2705  	if (prox) {
2706  		input_report_abs(input, mt ? ABS_MT_POSITION_X : ABS_X,
2707  				 hid_data->x);
2708  		input_report_abs(input, mt ? ABS_MT_POSITION_Y : ABS_Y,
2709  				 hid_data->y);
2710  
2711  		if (test_bit(ABS_MT_TOUCH_MAJOR, input->absbit)) {
2712  			input_report_abs(input, ABS_MT_TOUCH_MAJOR, max(hid_data->width, hid_data->height));
2713  			input_report_abs(input, ABS_MT_TOUCH_MINOR, min(hid_data->width, hid_data->height));
2714  			if (hid_data->width != hid_data->height)
2715  				input_report_abs(input, ABS_MT_ORIENTATION, hid_data->width <= hid_data->height ? 0 : 1);
2716  		}
2717  	}
2718  }
2719  
wacom_wac_finger_event(struct hid_device * hdev,struct hid_field * field,struct hid_usage * usage,__s32 value)2720  static void wacom_wac_finger_event(struct hid_device *hdev,
2721  		struct hid_field *field, struct hid_usage *usage, __s32 value)
2722  {
2723  	struct wacom *wacom = hid_get_drvdata(hdev);
2724  	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2725  	unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2726  	struct wacom_features *features = &wacom->wacom_wac.features;
2727  
2728  	if (touch_is_muted(wacom_wac) && !wacom_wac->shared->touch_down)
2729  		return;
2730  
2731  	if (wacom_wac->is_invalid_bt_frame)
2732  		return;
2733  
2734  	switch (equivalent_usage) {
2735  	case HID_DG_CONFIDENCE:
2736  		wacom_wac->hid_data.confidence = value;
2737  		break;
2738  	case HID_GD_X:
2739  		wacom_wac->hid_data.x = value;
2740  		break;
2741  	case HID_GD_Y:
2742  		wacom_wac->hid_data.y = value;
2743  		break;
2744  	case HID_DG_WIDTH:
2745  		wacom_wac->hid_data.width = value;
2746  		break;
2747  	case HID_DG_HEIGHT:
2748  		wacom_wac->hid_data.height = value;
2749  		break;
2750  	case HID_DG_CONTACTID:
2751  		wacom_wac->hid_data.id = value;
2752  		break;
2753  	case HID_DG_TIPSWITCH:
2754  		wacom_wac->hid_data.tipswitch = value;
2755  		break;
2756  	case WACOM_HID_WT_REPORT_VALID:
2757  		wacom_wac->is_invalid_bt_frame = !value;
2758  		return;
2759  	case HID_DG_CONTACTMAX:
2760  		if (!features->touch_max) {
2761  			features->touch_max = value;
2762  		} else {
2763  			hid_warn(hdev, "%s: ignoring attempt to overwrite non-zero touch_max "
2764  				 "%d -> %d\n", __func__, features->touch_max, value);
2765  		}
2766  		return;
2767  	}
2768  
2769  	if (usage->usage_index + 1 == field->report_count) {
2770  		if (equivalent_usage == wacom_wac->hid_data.last_slot_field)
2771  			wacom_wac_finger_slot(wacom_wac, wacom_wac->touch_input);
2772  	}
2773  }
2774  
wacom_wac_finger_pre_report(struct hid_device * hdev,struct hid_report * report)2775  static void wacom_wac_finger_pre_report(struct hid_device *hdev,
2776  		struct hid_report *report)
2777  {
2778  	struct wacom *wacom = hid_get_drvdata(hdev);
2779  	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2780  	struct hid_data* hid_data = &wacom_wac->hid_data;
2781  	int i;
2782  
2783  	if (touch_is_muted(wacom_wac) && !wacom_wac->shared->touch_down)
2784  		return;
2785  
2786  	wacom_wac->is_invalid_bt_frame = false;
2787  
2788  	hid_data->confidence = true;
2789  
2790  	hid_data->cc_report = 0;
2791  	hid_data->cc_index = -1;
2792  	hid_data->cc_value_index = -1;
2793  
2794  	for (i = 0; i < report->maxfield; i++) {
2795  		struct hid_field *field = report->field[i];
2796  		int j;
2797  
2798  		for (j = 0; j < field->maxusage; j++) {
2799  			struct hid_usage *usage = &field->usage[j];
2800  			unsigned int equivalent_usage =
2801  				wacom_equivalent_usage(usage->hid);
2802  
2803  			switch (equivalent_usage) {
2804  			case HID_GD_X:
2805  			case HID_GD_Y:
2806  			case HID_DG_WIDTH:
2807  			case HID_DG_HEIGHT:
2808  			case HID_DG_CONTACTID:
2809  			case HID_DG_INRANGE:
2810  			case HID_DG_INVERT:
2811  			case HID_DG_TIPSWITCH:
2812  				hid_data->last_slot_field = equivalent_usage;
2813  				break;
2814  			case HID_DG_CONTACTCOUNT:
2815  				hid_data->cc_report = report->id;
2816  				hid_data->cc_index = i;
2817  				hid_data->cc_value_index = j;
2818  				break;
2819  			}
2820  		}
2821  	}
2822  
2823  	if (hid_data->cc_report != 0 &&
2824  	    hid_data->cc_index >= 0) {
2825  		struct hid_field *field = report->field[hid_data->cc_index];
2826  		int value = field->value[hid_data->cc_value_index];
2827  		if (value) {
2828  			hid_data->num_expected = value;
2829  			hid_data->num_received = 0;
2830  		}
2831  	}
2832  	else {
2833  		hid_data->num_expected = wacom_wac->features.touch_max;
2834  		hid_data->num_received = 0;
2835  	}
2836  }
2837  
wacom_wac_finger_report(struct hid_device * hdev,struct hid_report * report)2838  static void wacom_wac_finger_report(struct hid_device *hdev,
2839  		struct hid_report *report)
2840  {
2841  	struct wacom *wacom = hid_get_drvdata(hdev);
2842  	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2843  	struct input_dev *input = wacom_wac->touch_input;
2844  	unsigned touch_max = wacom_wac->features.touch_max;
2845  
2846  	/* if there was nothing to process, don't send an empty sync */
2847  	if (wacom_wac->hid_data.num_expected == 0)
2848  		return;
2849  
2850  	/* If more packets of data are expected, give us a chance to
2851  	 * process them rather than immediately syncing a partial
2852  	 * update.
2853  	 */
2854  	if (wacom_wac->hid_data.num_received < wacom_wac->hid_data.num_expected)
2855  		return;
2856  
2857  	if (touch_max > 1)
2858  		input_mt_sync_frame(input);
2859  
2860  	input_sync(input);
2861  	wacom_wac->hid_data.num_received = 0;
2862  	wacom_wac->hid_data.num_expected = 0;
2863  
2864  	/* keep touch state for pen event */
2865  	wacom_wac->shared->touch_down = wacom_wac_finger_count_touches(wacom_wac);
2866  }
2867  
wacom_wac_usage_mapping(struct hid_device * hdev,struct hid_field * field,struct hid_usage * usage)2868  void wacom_wac_usage_mapping(struct hid_device *hdev,
2869  		struct hid_field *field, struct hid_usage *usage)
2870  {
2871  	struct wacom *wacom = hid_get_drvdata(hdev);
2872  	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2873  	struct wacom_features *features = &wacom_wac->features;
2874  
2875  	if (WACOM_DIRECT_DEVICE(field))
2876  		features->device_type |= WACOM_DEVICETYPE_DIRECT;
2877  
2878  	/* usage tests must precede field tests */
2879  	if (WACOM_BATTERY_USAGE(usage))
2880  		wacom_wac_battery_usage_mapping(hdev, field, usage);
2881  	else if (WACOM_PAD_FIELD(field))
2882  		wacom_wac_pad_usage_mapping(hdev, field, usage);
2883  	else if (WACOM_PEN_FIELD(field))
2884  		wacom_wac_pen_usage_mapping(hdev, field, usage);
2885  	else if (WACOM_FINGER_FIELD(field))
2886  		wacom_wac_finger_usage_mapping(hdev, field, usage);
2887  }
2888  
wacom_wac_event(struct hid_device * hdev,struct hid_field * field,struct hid_usage * usage,__s32 value)2889  void wacom_wac_event(struct hid_device *hdev, struct hid_field *field,
2890  		struct hid_usage *usage, __s32 value)
2891  {
2892  	struct wacom *wacom = hid_get_drvdata(hdev);
2893  
2894  	if (wacom->wacom_wac.features.type != HID_GENERIC)
2895  		return;
2896  
2897  	if (value > field->logical_maximum || value < field->logical_minimum)
2898  		return;
2899  
2900  	/* usage tests must precede field tests */
2901  	if (WACOM_BATTERY_USAGE(usage))
2902  		wacom_wac_battery_event(hdev, field, usage, value);
2903  	else if (WACOM_PAD_FIELD(field))
2904  		wacom_wac_pad_event(hdev, field, usage, value);
2905  	else if (WACOM_PEN_FIELD(field) && wacom->wacom_wac.pen_input)
2906  		wacom_wac_pen_event(hdev, field, usage, value);
2907  	else if (WACOM_FINGER_FIELD(field) && wacom->wacom_wac.touch_input)
2908  		wacom_wac_finger_event(hdev, field, usage, value);
2909  }
2910  
wacom_report_events(struct hid_device * hdev,struct hid_report * report,int collection_index,int field_index)2911  static void wacom_report_events(struct hid_device *hdev,
2912  				struct hid_report *report, int collection_index,
2913  				int field_index)
2914  {
2915  	int r;
2916  
2917  	for (r = field_index; r < report->maxfield; r++) {
2918  		struct hid_field *field;
2919  		unsigned count, n;
2920  
2921  		field = report->field[r];
2922  		count = field->report_count;
2923  
2924  		if (!(HID_MAIN_ITEM_VARIABLE & field->flags))
2925  			continue;
2926  
2927  		for (n = 0 ; n < count; n++) {
2928  			if (field->usage[n].collection_index == collection_index)
2929  				wacom_wac_event(hdev, field, &field->usage[n],
2930  						field->value[n]);
2931  			else
2932  				return;
2933  		}
2934  	}
2935  }
2936  
wacom_wac_collection(struct hid_device * hdev,struct hid_report * report,int collection_index,struct hid_field * field,int field_index)2937  static int wacom_wac_collection(struct hid_device *hdev, struct hid_report *report,
2938  			 int collection_index, struct hid_field *field,
2939  			 int field_index)
2940  {
2941  	struct wacom *wacom = hid_get_drvdata(hdev);
2942  
2943  	wacom_report_events(hdev, report, collection_index, field_index);
2944  
2945  	/*
2946  	 * Non-input reports may be sent prior to the device being
2947  	 * completely initialized. Since only their events need
2948  	 * to be processed, exit after 'wacom_report_events' has
2949  	 * been called to prevent potential crashes in the report-
2950  	 * processing functions.
2951  	 */
2952  	if (report->type != HID_INPUT_REPORT)
2953  		return -1;
2954  
2955  	if (WACOM_PAD_FIELD(field))
2956  		return 0;
2957  	else if (WACOM_PEN_FIELD(field) && wacom->wacom_wac.pen_input)
2958  		wacom_wac_pen_report(hdev, report);
2959  	else if (WACOM_FINGER_FIELD(field) && wacom->wacom_wac.touch_input)
2960  		wacom_wac_finger_report(hdev, report);
2961  
2962  	return 0;
2963  }
2964  
wacom_wac_report(struct hid_device * hdev,struct hid_report * report)2965  void wacom_wac_report(struct hid_device *hdev, struct hid_report *report)
2966  {
2967  	struct wacom *wacom = hid_get_drvdata(hdev);
2968  	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2969  	struct hid_field *field;
2970  	bool pad_in_hid_field = false, pen_in_hid_field = false,
2971  		finger_in_hid_field = false, true_pad = false;
2972  	int r;
2973  	int prev_collection = -1;
2974  
2975  	if (wacom_wac->features.type != HID_GENERIC)
2976  		return;
2977  
2978  	for (r = 0; r < report->maxfield; r++) {
2979  		field = report->field[r];
2980  
2981  		if (WACOM_PAD_FIELD(field))
2982  			pad_in_hid_field = true;
2983  		if (WACOM_PEN_FIELD(field))
2984  			pen_in_hid_field = true;
2985  		if (WACOM_FINGER_FIELD(field))
2986  			finger_in_hid_field = true;
2987  		if (wacom_equivalent_usage(field->physical) == HID_DG_TABLETFUNCTIONKEY)
2988  			true_pad = true;
2989  	}
2990  
2991  	wacom_wac_battery_pre_report(hdev, report);
2992  
2993  	if (pad_in_hid_field && wacom->wacom_wac.pad_input)
2994  		wacom_wac_pad_pre_report(hdev, report);
2995  	if (pen_in_hid_field && wacom->wacom_wac.pen_input)
2996  		wacom_wac_pen_pre_report(hdev, report);
2997  	if (finger_in_hid_field && wacom->wacom_wac.touch_input)
2998  		wacom_wac_finger_pre_report(hdev, report);
2999  
3000  	for (r = 0; r < report->maxfield; r++) {
3001  		field = report->field[r];
3002  
3003  		if (field->usage[0].collection_index != prev_collection) {
3004  			if (wacom_wac_collection(hdev, report,
3005  				field->usage[0].collection_index, field, r) < 0)
3006  				return;
3007  			prev_collection = field->usage[0].collection_index;
3008  		}
3009  	}
3010  
3011  	wacom_wac_battery_report(hdev, report);
3012  
3013  	if (true_pad && wacom->wacom_wac.pad_input)
3014  		wacom_wac_pad_report(hdev, report, field);
3015  }
3016  
wacom_bpt_touch(struct wacom_wac * wacom)3017  static int wacom_bpt_touch(struct wacom_wac *wacom)
3018  {
3019  	struct wacom_features *features = &wacom->features;
3020  	struct input_dev *input = wacom->touch_input;
3021  	struct input_dev *pad_input = wacom->pad_input;
3022  	unsigned char *data = wacom->data;
3023  	int i;
3024  
3025  	if (data[0] != 0x02)
3026  	    return 0;
3027  
3028  	for (i = 0; i < 2; i++) {
3029  		int offset = (data[1] & 0x80) ? (8 * i) : (9 * i);
3030  		bool touch = report_touch_events(wacom)
3031  			   && (data[offset + 3] & 0x80);
3032  
3033  		input_mt_slot(input, i);
3034  		input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
3035  		if (touch) {
3036  			int x = get_unaligned_be16(&data[offset + 3]) & 0x7ff;
3037  			int y = get_unaligned_be16(&data[offset + 5]) & 0x7ff;
3038  			if (features->quirks & WACOM_QUIRK_BBTOUCH_LOWRES) {
3039  				x <<= 5;
3040  				y <<= 5;
3041  			}
3042  			input_report_abs(input, ABS_MT_POSITION_X, x);
3043  			input_report_abs(input, ABS_MT_POSITION_Y, y);
3044  		}
3045  	}
3046  
3047  	input_mt_sync_frame(input);
3048  
3049  	input_report_key(pad_input, BTN_LEFT, (data[1] & 0x08) != 0);
3050  	input_report_key(pad_input, BTN_FORWARD, (data[1] & 0x04) != 0);
3051  	input_report_key(pad_input, BTN_BACK, (data[1] & 0x02) != 0);
3052  	input_report_key(pad_input, BTN_RIGHT, (data[1] & 0x01) != 0);
3053  	wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
3054  
3055  	return 1;
3056  }
3057  
wacom_bpt3_touch_msg(struct wacom_wac * wacom,unsigned char * data)3058  static void wacom_bpt3_touch_msg(struct wacom_wac *wacom, unsigned char *data)
3059  {
3060  	struct wacom_features *features = &wacom->features;
3061  	struct input_dev *input = wacom->touch_input;
3062  	bool touch = data[1] & 0x80;
3063  	int slot = input_mt_get_slot_by_key(input, data[0]);
3064  
3065  	if (slot < 0)
3066  		return;
3067  
3068  	touch = touch && report_touch_events(wacom);
3069  
3070  	input_mt_slot(input, slot);
3071  	input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
3072  
3073  	if (touch) {
3074  		int x = (data[2] << 4) | (data[4] >> 4);
3075  		int y = (data[3] << 4) | (data[4] & 0x0f);
3076  		int width, height;
3077  
3078  		if (features->type >= INTUOSPS && features->type <= INTUOSHT2) {
3079  			width  = data[5] * 100;
3080  			height = data[6] * 100;
3081  		} else {
3082  			/*
3083  			 * "a" is a scaled-down area which we assume is
3084  			 * roughly circular and which can be described as:
3085  			 * a=(pi*r^2)/C.
3086  			 */
3087  			int a = data[5];
3088  			int x_res = input_abs_get_res(input, ABS_MT_POSITION_X);
3089  			int y_res = input_abs_get_res(input, ABS_MT_POSITION_Y);
3090  			width = 2 * int_sqrt(a * WACOM_CONTACT_AREA_SCALE);
3091  			height = width * y_res / x_res;
3092  		}
3093  
3094  		input_report_abs(input, ABS_MT_POSITION_X, x);
3095  		input_report_abs(input, ABS_MT_POSITION_Y, y);
3096  		input_report_abs(input, ABS_MT_TOUCH_MAJOR, width);
3097  		input_report_abs(input, ABS_MT_TOUCH_MINOR, height);
3098  	}
3099  }
3100  
wacom_bpt3_button_msg(struct wacom_wac * wacom,unsigned char * data)3101  static void wacom_bpt3_button_msg(struct wacom_wac *wacom, unsigned char *data)
3102  {
3103  	struct input_dev *input = wacom->pad_input;
3104  	struct wacom_features *features = &wacom->features;
3105  
3106  	if (features->type == INTUOSHT || features->type == INTUOSHT2) {
3107  		input_report_key(input, BTN_LEFT, (data[1] & 0x02) != 0);
3108  		input_report_key(input, BTN_BACK, (data[1] & 0x08) != 0);
3109  	} else {
3110  		input_report_key(input, BTN_BACK, (data[1] & 0x02) != 0);
3111  		input_report_key(input, BTN_LEFT, (data[1] & 0x08) != 0);
3112  	}
3113  	input_report_key(input, BTN_FORWARD, (data[1] & 0x04) != 0);
3114  	input_report_key(input, BTN_RIGHT, (data[1] & 0x01) != 0);
3115  }
3116  
wacom_bpt3_touch(struct wacom_wac * wacom)3117  static int wacom_bpt3_touch(struct wacom_wac *wacom)
3118  {
3119  	unsigned char *data = wacom->data;
3120  	int count = data[1] & 0x07;
3121  	int  touch_changed = 0, i;
3122  
3123  	if (data[0] != 0x02)
3124  	    return 0;
3125  
3126  	/* data has up to 7 fixed sized 8-byte messages starting at data[2] */
3127  	for (i = 0; i < count; i++) {
3128  		int offset = (8 * i) + 2;
3129  		int msg_id = data[offset];
3130  
3131  		if (msg_id >= 2 && msg_id <= 17) {
3132  			wacom_bpt3_touch_msg(wacom, data + offset);
3133  			touch_changed++;
3134  		} else if (msg_id == 128)
3135  			wacom_bpt3_button_msg(wacom, data + offset);
3136  
3137  	}
3138  
3139  	/* only update touch if we actually have a touchpad and touch data changed */
3140  	if (wacom->touch_input && touch_changed) {
3141  		input_mt_sync_frame(wacom->touch_input);
3142  		wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
3143  	}
3144  
3145  	return 1;
3146  }
3147  
wacom_bpt_pen(struct wacom_wac * wacom)3148  static int wacom_bpt_pen(struct wacom_wac *wacom)
3149  {
3150  	struct wacom_features *features = &wacom->features;
3151  	struct input_dev *input = wacom->pen_input;
3152  	unsigned char *data = wacom->data;
3153  	int x = 0, y = 0, p = 0, d = 0;
3154  	bool pen = false, btn1 = false, btn2 = false;
3155  	bool range, prox, rdy;
3156  
3157  	if (data[0] != WACOM_REPORT_PENABLED)
3158  	    return 0;
3159  
3160  	range = (data[1] & 0x80) == 0x80;
3161  	prox = (data[1] & 0x40) == 0x40;
3162  	rdy = (data[1] & 0x20) == 0x20;
3163  
3164  	wacom->shared->stylus_in_proximity = range;
3165  	if (delay_pen_events(wacom))
3166  		return 0;
3167  
3168  	if (rdy) {
3169  		p = le16_to_cpup((__le16 *)&data[6]);
3170  		pen = data[1] & 0x01;
3171  		btn1 = data[1] & 0x02;
3172  		btn2 = data[1] & 0x04;
3173  	}
3174  	if (prox) {
3175  		x = le16_to_cpup((__le16 *)&data[2]);
3176  		y = le16_to_cpup((__le16 *)&data[4]);
3177  
3178  		if (data[1] & 0x08) {
3179  			wacom->tool[0] = BTN_TOOL_RUBBER;
3180  			wacom->id[0] = ERASER_DEVICE_ID;
3181  		} else {
3182  			wacom->tool[0] = BTN_TOOL_PEN;
3183  			wacom->id[0] = STYLUS_DEVICE_ID;
3184  		}
3185  		wacom->reporting_data = true;
3186  	}
3187  	if (range) {
3188  		/*
3189  		 * Convert distance from out prox to distance from tablet.
3190  		 * distance will be greater than distance_max once
3191  		 * touching and applying pressure; do not report negative
3192  		 * distance.
3193  		 */
3194  		if (data[8] <= features->distance_max)
3195  			d = features->distance_max - data[8];
3196  	} else {
3197  		wacom->id[0] = 0;
3198  	}
3199  
3200  	if (wacom->reporting_data) {
3201  		input_report_key(input, BTN_TOUCH, pen);
3202  		input_report_key(input, BTN_STYLUS, btn1);
3203  		input_report_key(input, BTN_STYLUS2, btn2);
3204  
3205  		if (prox || !range) {
3206  			input_report_abs(input, ABS_X, x);
3207  			input_report_abs(input, ABS_Y, y);
3208  		}
3209  		input_report_abs(input, ABS_PRESSURE, p);
3210  		input_report_abs(input, ABS_DISTANCE, d);
3211  
3212  		input_report_key(input, wacom->tool[0], range); /* PEN or RUBBER */
3213  		input_report_abs(input, ABS_MISC, wacom->id[0]); /* TOOL ID */
3214  	}
3215  
3216  	if (!range) {
3217  		wacom->reporting_data = false;
3218  	}
3219  
3220  	return 1;
3221  }
3222  
wacom_bpt_irq(struct wacom_wac * wacom,size_t len)3223  static int wacom_bpt_irq(struct wacom_wac *wacom, size_t len)
3224  {
3225  	struct wacom_features *features = &wacom->features;
3226  
3227  	if ((features->type == INTUOSHT2) &&
3228  	    (features->device_type & WACOM_DEVICETYPE_PEN))
3229  		return wacom_intuos_irq(wacom);
3230  	else if (len == WACOM_PKGLEN_BBTOUCH)
3231  		return wacom_bpt_touch(wacom);
3232  	else if (len == WACOM_PKGLEN_BBTOUCH3)
3233  		return wacom_bpt3_touch(wacom);
3234  	else if (len == WACOM_PKGLEN_BBFUN || len == WACOM_PKGLEN_BBPEN)
3235  		return wacom_bpt_pen(wacom);
3236  
3237  	return 0;
3238  }
3239  
wacom_bamboo_pad_pen_event(struct wacom_wac * wacom,unsigned char * data)3240  static void wacom_bamboo_pad_pen_event(struct wacom_wac *wacom,
3241  		unsigned char *data)
3242  {
3243  	unsigned char prefix;
3244  
3245  	/*
3246  	 * We need to reroute the event from the debug interface to the
3247  	 * pen interface.
3248  	 * We need to add the report ID to the actual pen report, so we
3249  	 * temporary overwrite the first byte to prevent having to kzalloc/kfree
3250  	 * and memcpy the report.
3251  	 */
3252  	prefix = data[0];
3253  	data[0] = WACOM_REPORT_BPAD_PEN;
3254  
3255  	/*
3256  	 * actually reroute the event.
3257  	 * No need to check if wacom->shared->pen is valid, hid_input_report()
3258  	 * will check for us.
3259  	 */
3260  	hid_input_report(wacom->shared->pen, HID_INPUT_REPORT, data,
3261  			 WACOM_PKGLEN_PENABLED, 1);
3262  
3263  	data[0] = prefix;
3264  }
3265  
wacom_bamboo_pad_touch_event(struct wacom_wac * wacom,unsigned char * data)3266  static int wacom_bamboo_pad_touch_event(struct wacom_wac *wacom,
3267  		unsigned char *data)
3268  {
3269  	struct input_dev *input = wacom->touch_input;
3270  	unsigned char *finger_data, prefix;
3271  	unsigned id;
3272  	int x, y;
3273  	bool valid;
3274  
3275  	prefix = data[0];
3276  
3277  	for (id = 0; id < wacom->features.touch_max; id++) {
3278  		valid = !!(prefix & BIT(id)) &&
3279  			report_touch_events(wacom);
3280  
3281  		input_mt_slot(input, id);
3282  		input_mt_report_slot_state(input, MT_TOOL_FINGER, valid);
3283  
3284  		if (!valid)
3285  			continue;
3286  
3287  		finger_data = data + 1 + id * 3;
3288  		x = finger_data[0] | ((finger_data[1] & 0x0f) << 8);
3289  		y = (finger_data[2] << 4) | (finger_data[1] >> 4);
3290  
3291  		input_report_abs(input, ABS_MT_POSITION_X, x);
3292  		input_report_abs(input, ABS_MT_POSITION_Y, y);
3293  	}
3294  
3295  	input_mt_sync_frame(input);
3296  
3297  	input_report_key(input, BTN_LEFT, prefix & 0x40);
3298  	input_report_key(input, BTN_RIGHT, prefix & 0x80);
3299  
3300  	/* keep touch state for pen event */
3301  	wacom->shared->touch_down = !!prefix && report_touch_events(wacom);
3302  
3303  	return 1;
3304  }
3305  
wacom_bamboo_pad_irq(struct wacom_wac * wacom,size_t len)3306  static int wacom_bamboo_pad_irq(struct wacom_wac *wacom, size_t len)
3307  {
3308  	unsigned char *data = wacom->data;
3309  
3310  	if (!((len == WACOM_PKGLEN_BPAD_TOUCH) ||
3311  	      (len == WACOM_PKGLEN_BPAD_TOUCH_USB)) ||
3312  	    (data[0] != WACOM_REPORT_BPAD_TOUCH))
3313  		return 0;
3314  
3315  	if (data[1] & 0x01)
3316  		wacom_bamboo_pad_pen_event(wacom, &data[1]);
3317  
3318  	if (data[1] & 0x02)
3319  		return wacom_bamboo_pad_touch_event(wacom, &data[9]);
3320  
3321  	return 0;
3322  }
3323  
wacom_wireless_irq(struct wacom_wac * wacom,size_t len)3324  static int wacom_wireless_irq(struct wacom_wac *wacom, size_t len)
3325  {
3326  	unsigned char *data = wacom->data;
3327  	int connected;
3328  
3329  	if (len != WACOM_PKGLEN_WIRELESS || data[0] != WACOM_REPORT_WL)
3330  		return 0;
3331  
3332  	connected = data[1] & 0x01;
3333  	if (connected) {
3334  		int pid, battery, charging;
3335  
3336  		if ((wacom->shared->type == INTUOSHT ||
3337  		    wacom->shared->type == INTUOSHT2) &&
3338  		    wacom->shared->touch_input &&
3339  		    wacom->shared->touch_max) {
3340  			input_report_switch(wacom->shared->touch_input,
3341  					SW_MUTE_DEVICE, data[5] & 0x40);
3342  			input_sync(wacom->shared->touch_input);
3343  		}
3344  
3345  		pid = get_unaligned_be16(&data[6]);
3346  		battery = (data[5] & 0x3f) * 100 / 31;
3347  		charging = !!(data[5] & 0x80);
3348  		if (wacom->pid != pid) {
3349  			wacom->pid = pid;
3350  			wacom_schedule_work(wacom, WACOM_WORKER_WIRELESS);
3351  		}
3352  
3353  		wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
3354  				     battery, charging, 1, 0);
3355  
3356  	} else if (wacom->pid != 0) {
3357  		/* disconnected while previously connected */
3358  		wacom->pid = 0;
3359  		wacom_schedule_work(wacom, WACOM_WORKER_WIRELESS);
3360  		wacom_notify_battery(wacom, POWER_SUPPLY_STATUS_UNKNOWN, 0, 0, 0, 0);
3361  	}
3362  
3363  	return 0;
3364  }
3365  
wacom_status_irq(struct wacom_wac * wacom_wac,size_t len)3366  static int wacom_status_irq(struct wacom_wac *wacom_wac, size_t len)
3367  {
3368  	struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
3369  	struct wacom_features *features = &wacom_wac->features;
3370  	unsigned char *data = wacom_wac->data;
3371  
3372  	if (data[0] != WACOM_REPORT_USB)
3373  		return 0;
3374  
3375  	if ((features->type == INTUOSHT ||
3376  	    features->type == INTUOSHT2) &&
3377  	    wacom_wac->shared->touch_input &&
3378  	    features->touch_max) {
3379  		input_report_switch(wacom_wac->shared->touch_input,
3380  				    SW_MUTE_DEVICE, data[8] & 0x40);
3381  		input_sync(wacom_wac->shared->touch_input);
3382  	}
3383  
3384  	if (data[9] & 0x02) { /* wireless module is attached */
3385  		int battery = (data[8] & 0x3f) * 100 / 31;
3386  		bool charging = !!(data[8] & 0x80);
3387  
3388  		features->quirks |= WACOM_QUIRK_BATTERY;
3389  		wacom_notify_battery(wacom_wac, WACOM_POWER_SUPPLY_STATUS_AUTO,
3390  				     battery, charging, battery || charging, 1);
3391  	}
3392  	else if ((features->quirks & WACOM_QUIRK_BATTERY) &&
3393  		 wacom->battery.battery) {
3394  		features->quirks &= ~WACOM_QUIRK_BATTERY;
3395  		wacom_notify_battery(wacom_wac, POWER_SUPPLY_STATUS_UNKNOWN, 0, 0, 0, 0);
3396  	}
3397  	return 0;
3398  }
3399  
wacom_wac_irq(struct wacom_wac * wacom_wac,size_t len)3400  void wacom_wac_irq(struct wacom_wac *wacom_wac, size_t len)
3401  {
3402  	bool sync;
3403  
3404  	switch (wacom_wac->features.type) {
3405  	case PENPARTNER:
3406  		sync = wacom_penpartner_irq(wacom_wac);
3407  		break;
3408  
3409  	case PL:
3410  		sync = wacom_pl_irq(wacom_wac);
3411  		break;
3412  
3413  	case WACOM_G4:
3414  	case GRAPHIRE:
3415  	case GRAPHIRE_BT:
3416  	case WACOM_MO:
3417  		sync = wacom_graphire_irq(wacom_wac);
3418  		break;
3419  
3420  	case PTU:
3421  		sync = wacom_ptu_irq(wacom_wac);
3422  		break;
3423  
3424  	case DTU:
3425  		sync = wacom_dtu_irq(wacom_wac);
3426  		break;
3427  
3428  	case DTUS:
3429  	case DTUSX:
3430  		sync = wacom_dtus_irq(wacom_wac);
3431  		break;
3432  
3433  	case INTUOS:
3434  	case INTUOS3S:
3435  	case INTUOS3:
3436  	case INTUOS3L:
3437  	case INTUOS4S:
3438  	case INTUOS4:
3439  	case INTUOS4L:
3440  	case CINTIQ:
3441  	case WACOM_BEE:
3442  	case WACOM_13HD:
3443  	case WACOM_21UX2:
3444  	case WACOM_22HD:
3445  	case WACOM_24HD:
3446  	case WACOM_27QHD:
3447  	case DTK:
3448  	case CINTIQ_HYBRID:
3449  	case CINTIQ_COMPANION_2:
3450  		sync = wacom_intuos_irq(wacom_wac);
3451  		break;
3452  
3453  	case INTUOS4WL:
3454  		sync = wacom_intuos_bt_irq(wacom_wac, len);
3455  		break;
3456  
3457  	case WACOM_24HDT:
3458  	case WACOM_27QHDT:
3459  		sync = wacom_24hdt_irq(wacom_wac);
3460  		break;
3461  
3462  	case INTUOS5S:
3463  	case INTUOS5:
3464  	case INTUOS5L:
3465  	case INTUOSPS:
3466  	case INTUOSPM:
3467  	case INTUOSPL:
3468  		if (len == WACOM_PKGLEN_BBTOUCH3)
3469  			sync = wacom_bpt3_touch(wacom_wac);
3470  		else if (wacom_wac->data[0] == WACOM_REPORT_USB)
3471  			sync = wacom_status_irq(wacom_wac, len);
3472  		else
3473  			sync = wacom_intuos_irq(wacom_wac);
3474  		break;
3475  
3476  	case INTUOSP2_BT:
3477  	case INTUOSP2S_BT:
3478  	case INTUOSHT3_BT:
3479  		sync = wacom_intuos_pro2_bt_irq(wacom_wac, len);
3480  		break;
3481  
3482  	case TABLETPC:
3483  	case TABLETPCE:
3484  	case TABLETPC2FG:
3485  	case MTSCREEN:
3486  	case MTTPC:
3487  	case MTTPC_B:
3488  		sync = wacom_tpc_irq(wacom_wac, len);
3489  		break;
3490  
3491  	case BAMBOO_PT:
3492  	case BAMBOO_PEN:
3493  	case BAMBOO_TOUCH:
3494  	case INTUOSHT:
3495  	case INTUOSHT2:
3496  		if (wacom_wac->data[0] == WACOM_REPORT_USB)
3497  			sync = wacom_status_irq(wacom_wac, len);
3498  		else
3499  			sync = wacom_bpt_irq(wacom_wac, len);
3500  		break;
3501  
3502  	case BAMBOO_PAD:
3503  		sync = wacom_bamboo_pad_irq(wacom_wac, len);
3504  		break;
3505  
3506  	case WIRELESS:
3507  		sync = wacom_wireless_irq(wacom_wac, len);
3508  		break;
3509  
3510  	case REMOTE:
3511  		sync = false;
3512  		if (wacom_wac->data[0] == WACOM_REPORT_DEVICE_LIST)
3513  			wacom_remote_status_irq(wacom_wac, len);
3514  		else
3515  			sync = wacom_remote_irq(wacom_wac, len);
3516  		break;
3517  
3518  	default:
3519  		sync = false;
3520  		break;
3521  	}
3522  
3523  	if (sync) {
3524  		if (wacom_wac->pen_input)
3525  			input_sync(wacom_wac->pen_input);
3526  		if (wacom_wac->touch_input)
3527  			input_sync(wacom_wac->touch_input);
3528  		if (wacom_wac->pad_input)
3529  			input_sync(wacom_wac->pad_input);
3530  	}
3531  }
3532  
wacom_setup_basic_pro_pen(struct wacom_wac * wacom_wac)3533  static void wacom_setup_basic_pro_pen(struct wacom_wac *wacom_wac)
3534  {
3535  	struct input_dev *input_dev = wacom_wac->pen_input;
3536  
3537  	input_set_capability(input_dev, EV_MSC, MSC_SERIAL);
3538  
3539  	__set_bit(BTN_TOOL_PEN, input_dev->keybit);
3540  	__set_bit(BTN_STYLUS, input_dev->keybit);
3541  	__set_bit(BTN_STYLUS2, input_dev->keybit);
3542  
3543  	input_set_abs_params(input_dev, ABS_DISTANCE,
3544  			     0, wacom_wac->features.distance_max, wacom_wac->features.distance_fuzz, 0);
3545  }
3546  
wacom_setup_cintiq(struct wacom_wac * wacom_wac)3547  static void wacom_setup_cintiq(struct wacom_wac *wacom_wac)
3548  {
3549  	struct input_dev *input_dev = wacom_wac->pen_input;
3550  	struct wacom_features *features = &wacom_wac->features;
3551  
3552  	wacom_setup_basic_pro_pen(wacom_wac);
3553  
3554  	__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3555  	__set_bit(BTN_TOOL_BRUSH, input_dev->keybit);
3556  	__set_bit(BTN_TOOL_PENCIL, input_dev->keybit);
3557  	__set_bit(BTN_TOOL_AIRBRUSH, input_dev->keybit);
3558  
3559  	input_set_abs_params(input_dev, ABS_WHEEL, 0, 1023, 0, 0);
3560  	input_set_abs_params(input_dev, ABS_TILT_X, -64, 63, features->tilt_fuzz, 0);
3561  	input_abs_set_res(input_dev, ABS_TILT_X, 57);
3562  	input_set_abs_params(input_dev, ABS_TILT_Y, -64, 63, features->tilt_fuzz, 0);
3563  	input_abs_set_res(input_dev, ABS_TILT_Y, 57);
3564  }
3565  
wacom_setup_intuos(struct wacom_wac * wacom_wac)3566  static void wacom_setup_intuos(struct wacom_wac *wacom_wac)
3567  {
3568  	struct input_dev *input_dev = wacom_wac->pen_input;
3569  
3570  	input_set_capability(input_dev, EV_REL, REL_WHEEL);
3571  
3572  	wacom_setup_cintiq(wacom_wac);
3573  
3574  	__set_bit(BTN_LEFT, input_dev->keybit);
3575  	__set_bit(BTN_RIGHT, input_dev->keybit);
3576  	__set_bit(BTN_MIDDLE, input_dev->keybit);
3577  	__set_bit(BTN_SIDE, input_dev->keybit);
3578  	__set_bit(BTN_EXTRA, input_dev->keybit);
3579  	__set_bit(BTN_TOOL_MOUSE, input_dev->keybit);
3580  	__set_bit(BTN_TOOL_LENS, input_dev->keybit);
3581  
3582  	input_set_abs_params(input_dev, ABS_RZ, -900, 899, 0, 0);
3583  	input_abs_set_res(input_dev, ABS_RZ, 287);
3584  	input_set_abs_params(input_dev, ABS_THROTTLE, -1023, 1023, 0, 0);
3585  }
3586  
wacom_setup_device_quirks(struct wacom * wacom)3587  void wacom_setup_device_quirks(struct wacom *wacom)
3588  {
3589  	struct wacom_wac *wacom_wac = &wacom->wacom_wac;
3590  	struct wacom_features *features = &wacom->wacom_wac.features;
3591  
3592  	/* The pen and pad share the same interface on most devices */
3593  	if (features->type == GRAPHIRE_BT || features->type == WACOM_G4 ||
3594  	    features->type == DTUS ||
3595  	    (features->type >= INTUOS3S && features->type <= WACOM_MO)) {
3596  		if (features->device_type & WACOM_DEVICETYPE_PEN)
3597  			features->device_type |= WACOM_DEVICETYPE_PAD;
3598  	}
3599  
3600  	/* touch device found but size is not defined. use default */
3601  	if (features->device_type & WACOM_DEVICETYPE_TOUCH && !features->x_max) {
3602  		features->x_max = 1023;
3603  		features->y_max = 1023;
3604  	}
3605  
3606  	/*
3607  	 * Intuos5/Pro and Bamboo 3rd gen have no useful data about its
3608  	 * touch interface in its HID descriptor. If this is the touch
3609  	 * interface (PacketSize of WACOM_PKGLEN_BBTOUCH3), override the
3610  	 * tablet values.
3611  	 */
3612  	if ((features->type >= INTUOS5S && features->type <= INTUOSPL) ||
3613  		(features->type >= INTUOSHT && features->type <= BAMBOO_PT)) {
3614  		if (features->pktlen == WACOM_PKGLEN_BBTOUCH3) {
3615  			if (features->touch_max)
3616  				features->device_type |= WACOM_DEVICETYPE_TOUCH;
3617  			if (features->type >= INTUOSHT && features->type <= BAMBOO_PT)
3618  				features->device_type |= WACOM_DEVICETYPE_PAD;
3619  
3620  			if (features->type == INTUOSHT2) {
3621  				features->x_max = features->x_max / 10;
3622  				features->y_max = features->y_max / 10;
3623  			}
3624  			else {
3625  				features->x_max = 4096;
3626  				features->y_max = 4096;
3627  			}
3628  		}
3629  		else if (features->pktlen == WACOM_PKGLEN_BBTOUCH) {
3630  			features->device_type |= WACOM_DEVICETYPE_PAD;
3631  		}
3632  	}
3633  
3634  	/*
3635  	 * Hack for the Bamboo One:
3636  	 * the device presents a PAD/Touch interface as most Bamboos and even
3637  	 * sends ghosts PAD data on it. However, later, we must disable this
3638  	 * ghost interface, and we can not detect it unless we set it here
3639  	 * to WACOM_DEVICETYPE_PAD or WACOM_DEVICETYPE_TOUCH.
3640  	 */
3641  	if (features->type == BAMBOO_PEN &&
3642  	    features->pktlen == WACOM_PKGLEN_BBTOUCH3)
3643  		features->device_type |= WACOM_DEVICETYPE_PAD;
3644  
3645  	/*
3646  	 * Raw Wacom-mode pen and touch events both come from interface
3647  	 * 0, whose HID descriptor has an application usage of 0xFF0D
3648  	 * (i.e., WACOM_HID_WD_DIGITIZER). We route pen packets back
3649  	 * out through the HID_GENERIC device created for interface 1,
3650  	 * so rewrite this one to be of type WACOM_DEVICETYPE_TOUCH.
3651  	 */
3652  	if (features->type == BAMBOO_PAD)
3653  		features->device_type = WACOM_DEVICETYPE_TOUCH;
3654  
3655  	if (features->type == REMOTE)
3656  		features->device_type = WACOM_DEVICETYPE_PAD;
3657  
3658  	if (features->type == INTUOSP2_BT ||
3659  	    features->type == INTUOSP2S_BT) {
3660  		features->device_type |= WACOM_DEVICETYPE_PEN |
3661  					 WACOM_DEVICETYPE_PAD |
3662  					 WACOM_DEVICETYPE_TOUCH;
3663  		features->quirks |= WACOM_QUIRK_BATTERY;
3664  	}
3665  
3666  	if (features->type == INTUOSHT3_BT) {
3667  		features->device_type |= WACOM_DEVICETYPE_PEN |
3668  					 WACOM_DEVICETYPE_PAD;
3669  		features->quirks |= WACOM_QUIRK_BATTERY;
3670  	}
3671  
3672  	switch (features->type) {
3673  	case PL:
3674  	case DTU:
3675  	case DTUS:
3676  	case DTUSX:
3677  	case WACOM_21UX2:
3678  	case WACOM_22HD:
3679  	case DTK:
3680  	case WACOM_24HD:
3681  	case WACOM_27QHD:
3682  	case CINTIQ_HYBRID:
3683  	case CINTIQ_COMPANION_2:
3684  	case CINTIQ:
3685  	case WACOM_BEE:
3686  	case WACOM_13HD:
3687  	case WACOM_24HDT:
3688  	case WACOM_27QHDT:
3689  	case TABLETPC:
3690  	case TABLETPCE:
3691  	case TABLETPC2FG:
3692  	case MTSCREEN:
3693  	case MTTPC:
3694  	case MTTPC_B:
3695  		features->device_type |= WACOM_DEVICETYPE_DIRECT;
3696  		break;
3697  	}
3698  
3699  	if (wacom->hdev->bus == BUS_BLUETOOTH)
3700  		features->quirks |= WACOM_QUIRK_BATTERY;
3701  
3702  	/* quirk for bamboo touch with 2 low res touches */
3703  	if ((features->type == BAMBOO_PT || features->type == BAMBOO_TOUCH) &&
3704  	    features->pktlen == WACOM_PKGLEN_BBTOUCH) {
3705  		features->x_max <<= 5;
3706  		features->y_max <<= 5;
3707  		features->x_fuzz <<= 5;
3708  		features->y_fuzz <<= 5;
3709  		features->quirks |= WACOM_QUIRK_BBTOUCH_LOWRES;
3710  	}
3711  
3712  	if (features->type == WIRELESS) {
3713  		if (features->device_type == WACOM_DEVICETYPE_WL_MONITOR) {
3714  			features->quirks |= WACOM_QUIRK_BATTERY;
3715  		}
3716  	}
3717  
3718  	if (features->type == REMOTE)
3719  		features->device_type |= WACOM_DEVICETYPE_WL_MONITOR;
3720  
3721  	/* HID descriptor for DTK-2451 / DTH-2452 claims to report lots
3722  	 * of things it shouldn't. Lets fix up the damage...
3723  	 */
3724  	if (wacom->hdev->product == 0x382 || wacom->hdev->product == 0x37d) {
3725  		features->quirks &= ~WACOM_QUIRK_TOOLSERIAL;
3726  		__clear_bit(BTN_TOOL_BRUSH, wacom_wac->pen_input->keybit);
3727  		__clear_bit(BTN_TOOL_PENCIL, wacom_wac->pen_input->keybit);
3728  		__clear_bit(BTN_TOOL_AIRBRUSH, wacom_wac->pen_input->keybit);
3729  		__clear_bit(ABS_Z, wacom_wac->pen_input->absbit);
3730  		__clear_bit(ABS_DISTANCE, wacom_wac->pen_input->absbit);
3731  		__clear_bit(ABS_TILT_X, wacom_wac->pen_input->absbit);
3732  		__clear_bit(ABS_TILT_Y, wacom_wac->pen_input->absbit);
3733  		__clear_bit(ABS_WHEEL, wacom_wac->pen_input->absbit);
3734  		__clear_bit(ABS_MISC, wacom_wac->pen_input->absbit);
3735  		__clear_bit(MSC_SERIAL, wacom_wac->pen_input->mscbit);
3736  		__clear_bit(EV_MSC, wacom_wac->pen_input->evbit);
3737  	}
3738  }
3739  
wacom_setup_pen_input_capabilities(struct input_dev * input_dev,struct wacom_wac * wacom_wac)3740  int wacom_setup_pen_input_capabilities(struct input_dev *input_dev,
3741  				   struct wacom_wac *wacom_wac)
3742  {
3743  	struct wacom_features *features = &wacom_wac->features;
3744  
3745  	if (!(features->device_type & WACOM_DEVICETYPE_PEN))
3746  		return -ENODEV;
3747  
3748  	if (features->device_type & WACOM_DEVICETYPE_DIRECT)
3749  		__set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
3750  	else
3751  		__set_bit(INPUT_PROP_POINTER, input_dev->propbit);
3752  
3753  	if (features->type == HID_GENERIC)
3754  		/* setup has already been done */
3755  		return 0;
3756  
3757  	input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
3758  	__set_bit(BTN_TOUCH, input_dev->keybit);
3759  	__set_bit(ABS_MISC, input_dev->absbit);
3760  
3761  	input_set_abs_params(input_dev, ABS_X, 0 + features->offset_left,
3762  			     features->x_max - features->offset_right,
3763  			     features->x_fuzz, 0);
3764  	input_set_abs_params(input_dev, ABS_Y, 0 + features->offset_top,
3765  			     features->y_max - features->offset_bottom,
3766  			     features->y_fuzz, 0);
3767  	input_set_abs_params(input_dev, ABS_PRESSURE, 0,
3768  		features->pressure_max, features->pressure_fuzz, 0);
3769  
3770  	/* penabled devices have fixed resolution for each model */
3771  	input_abs_set_res(input_dev, ABS_X, features->x_resolution);
3772  	input_abs_set_res(input_dev, ABS_Y, features->y_resolution);
3773  
3774  	switch (features->type) {
3775  	case GRAPHIRE_BT:
3776  		__clear_bit(ABS_MISC, input_dev->absbit);
3777  		fallthrough;
3778  
3779  	case WACOM_MO:
3780  	case WACOM_G4:
3781  		input_set_abs_params(input_dev, ABS_DISTANCE, 0,
3782  					      features->distance_max,
3783  					      features->distance_fuzz, 0);
3784  		fallthrough;
3785  
3786  	case GRAPHIRE:
3787  		input_set_capability(input_dev, EV_REL, REL_WHEEL);
3788  
3789  		__set_bit(BTN_LEFT, input_dev->keybit);
3790  		__set_bit(BTN_RIGHT, input_dev->keybit);
3791  		__set_bit(BTN_MIDDLE, input_dev->keybit);
3792  
3793  		__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3794  		__set_bit(BTN_TOOL_PEN, input_dev->keybit);
3795  		__set_bit(BTN_TOOL_MOUSE, input_dev->keybit);
3796  		__set_bit(BTN_STYLUS, input_dev->keybit);
3797  		__set_bit(BTN_STYLUS2, input_dev->keybit);
3798  		break;
3799  
3800  	case WACOM_27QHD:
3801  	case WACOM_24HD:
3802  	case DTK:
3803  	case WACOM_22HD:
3804  	case WACOM_21UX2:
3805  	case WACOM_BEE:
3806  	case CINTIQ:
3807  	case WACOM_13HD:
3808  	case CINTIQ_HYBRID:
3809  	case CINTIQ_COMPANION_2:
3810  		input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
3811  		input_abs_set_res(input_dev, ABS_Z, 287);
3812  		wacom_setup_cintiq(wacom_wac);
3813  		break;
3814  
3815  	case INTUOS3:
3816  	case INTUOS3L:
3817  	case INTUOS3S:
3818  	case INTUOS4:
3819  	case INTUOS4WL:
3820  	case INTUOS4L:
3821  	case INTUOS4S:
3822  		input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
3823  		input_abs_set_res(input_dev, ABS_Z, 287);
3824  		fallthrough;
3825  
3826  	case INTUOS:
3827  		wacom_setup_intuos(wacom_wac);
3828  		break;
3829  
3830  	case INTUOS5:
3831  	case INTUOS5L:
3832  	case INTUOSPM:
3833  	case INTUOSPL:
3834  	case INTUOS5S:
3835  	case INTUOSPS:
3836  	case INTUOSP2_BT:
3837  	case INTUOSP2S_BT:
3838  		input_set_abs_params(input_dev, ABS_DISTANCE, 0,
3839  				      features->distance_max,
3840  				      features->distance_fuzz, 0);
3841  
3842  		input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
3843  		input_abs_set_res(input_dev, ABS_Z, 287);
3844  
3845  		wacom_setup_intuos(wacom_wac);
3846  		break;
3847  
3848  	case WACOM_24HDT:
3849  	case WACOM_27QHDT:
3850  	case MTSCREEN:
3851  	case MTTPC:
3852  	case MTTPC_B:
3853  	case TABLETPC2FG:
3854  	case TABLETPC:
3855  	case TABLETPCE:
3856  		__clear_bit(ABS_MISC, input_dev->absbit);
3857  		fallthrough;
3858  
3859  	case DTUS:
3860  	case DTUSX:
3861  	case PL:
3862  	case DTU:
3863  		__set_bit(BTN_TOOL_PEN, input_dev->keybit);
3864  		__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3865  		__set_bit(BTN_STYLUS, input_dev->keybit);
3866  		__set_bit(BTN_STYLUS2, input_dev->keybit);
3867  		break;
3868  
3869  	case PTU:
3870  		__set_bit(BTN_STYLUS2, input_dev->keybit);
3871  		fallthrough;
3872  
3873  	case PENPARTNER:
3874  		__set_bit(BTN_TOOL_PEN, input_dev->keybit);
3875  		__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3876  		__set_bit(BTN_STYLUS, input_dev->keybit);
3877  		break;
3878  
3879  	case INTUOSHT:
3880  	case BAMBOO_PT:
3881  	case BAMBOO_PEN:
3882  	case INTUOSHT2:
3883  	case INTUOSHT3_BT:
3884  		if (features->type == INTUOSHT2 ||
3885  		    features->type == INTUOSHT3_BT) {
3886  			wacom_setup_basic_pro_pen(wacom_wac);
3887  		} else {
3888  			__clear_bit(ABS_MISC, input_dev->absbit);
3889  			__set_bit(BTN_TOOL_PEN, input_dev->keybit);
3890  			__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3891  			__set_bit(BTN_STYLUS, input_dev->keybit);
3892  			__set_bit(BTN_STYLUS2, input_dev->keybit);
3893  			input_set_abs_params(input_dev, ABS_DISTANCE, 0,
3894  				      features->distance_max,
3895  				      features->distance_fuzz, 0);
3896  		}
3897  		break;
3898  	case BAMBOO_PAD:
3899  		__clear_bit(ABS_MISC, input_dev->absbit);
3900  		break;
3901  	}
3902  	return 0;
3903  }
3904  
wacom_setup_touch_input_capabilities(struct input_dev * input_dev,struct wacom_wac * wacom_wac)3905  int wacom_setup_touch_input_capabilities(struct input_dev *input_dev,
3906  					 struct wacom_wac *wacom_wac)
3907  {
3908  	struct wacom_features *features = &wacom_wac->features;
3909  
3910  	if (!(features->device_type & WACOM_DEVICETYPE_TOUCH))
3911  		return -ENODEV;
3912  
3913  	if (features->device_type & WACOM_DEVICETYPE_DIRECT)
3914  		__set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
3915  	else
3916  		__set_bit(INPUT_PROP_POINTER, input_dev->propbit);
3917  
3918  	if (features->type == HID_GENERIC)
3919  		/* setup has already been done */
3920  		return 0;
3921  
3922  	input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
3923  	__set_bit(BTN_TOUCH, input_dev->keybit);
3924  
3925  	if (features->touch_max == 1) {
3926  		input_set_abs_params(input_dev, ABS_X, 0,
3927  			features->x_max, features->x_fuzz, 0);
3928  		input_set_abs_params(input_dev, ABS_Y, 0,
3929  			features->y_max, features->y_fuzz, 0);
3930  		input_abs_set_res(input_dev, ABS_X,
3931  				  features->x_resolution);
3932  		input_abs_set_res(input_dev, ABS_Y,
3933  				  features->y_resolution);
3934  	}
3935  	else if (features->touch_max > 1) {
3936  		input_set_abs_params(input_dev, ABS_MT_POSITION_X, 0,
3937  			features->x_max, features->x_fuzz, 0);
3938  		input_set_abs_params(input_dev, ABS_MT_POSITION_Y, 0,
3939  			features->y_max, features->y_fuzz, 0);
3940  		input_abs_set_res(input_dev, ABS_MT_POSITION_X,
3941  				  features->x_resolution);
3942  		input_abs_set_res(input_dev, ABS_MT_POSITION_Y,
3943  				  features->y_resolution);
3944  	}
3945  
3946  	switch (features->type) {
3947  	case INTUOSP2_BT:
3948  	case INTUOSP2S_BT:
3949  		input_dev->evbit[0] |= BIT_MASK(EV_SW);
3950  		__set_bit(SW_MUTE_DEVICE, input_dev->swbit);
3951  
3952  		if (wacom_wac->shared->touch->product == 0x361) {
3953  			input_set_abs_params(input_dev, ABS_MT_POSITION_X,
3954  					     0, 12440, 4, 0);
3955  			input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
3956  					     0, 8640, 4, 0);
3957  		}
3958  		else if (wacom_wac->shared->touch->product == 0x360) {
3959  			input_set_abs_params(input_dev, ABS_MT_POSITION_X,
3960  					     0, 8960, 4, 0);
3961  			input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
3962  					     0, 5920, 4, 0);
3963  		}
3964  		else if (wacom_wac->shared->touch->product == 0x393) {
3965  			input_set_abs_params(input_dev, ABS_MT_POSITION_X,
3966  					     0, 6400, 4, 0);
3967  			input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
3968  					     0, 4000, 4, 0);
3969  		}
3970  		input_abs_set_res(input_dev, ABS_MT_POSITION_X, 40);
3971  		input_abs_set_res(input_dev, ABS_MT_POSITION_Y, 40);
3972  
3973  		fallthrough;
3974  
3975  	case INTUOS5:
3976  	case INTUOS5L:
3977  	case INTUOSPM:
3978  	case INTUOSPL:
3979  	case INTUOS5S:
3980  	case INTUOSPS:
3981  		input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, features->x_max, 0, 0);
3982  		input_set_abs_params(input_dev, ABS_MT_TOUCH_MINOR, 0, features->y_max, 0, 0);
3983  		input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_POINTER);
3984  		break;
3985  
3986  	case WACOM_24HDT:
3987  		input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, features->x_max, 0, 0);
3988  		input_set_abs_params(input_dev, ABS_MT_WIDTH_MAJOR, 0, features->x_max, 0, 0);
3989  		input_set_abs_params(input_dev, ABS_MT_WIDTH_MINOR, 0, features->y_max, 0, 0);
3990  		input_set_abs_params(input_dev, ABS_MT_ORIENTATION, 0, 1, 0, 0);
3991  		fallthrough;
3992  
3993  	case WACOM_27QHDT:
3994  		if (wacom_wac->shared->touch->product == 0x32C ||
3995  		    wacom_wac->shared->touch->product == 0xF6) {
3996  			input_dev->evbit[0] |= BIT_MASK(EV_SW);
3997  			__set_bit(SW_MUTE_DEVICE, input_dev->swbit);
3998  			wacom_wac->has_mute_touch_switch = true;
3999  			wacom_wac->is_soft_touch_switch = true;
4000  		}
4001  		fallthrough;
4002  
4003  	case MTSCREEN:
4004  	case MTTPC:
4005  	case MTTPC_B:
4006  	case TABLETPC2FG:
4007  		input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_DIRECT);
4008  		fallthrough;
4009  
4010  	case TABLETPC:
4011  	case TABLETPCE:
4012  		break;
4013  
4014  	case INTUOSHT:
4015  	case INTUOSHT2:
4016  		input_dev->evbit[0] |= BIT_MASK(EV_SW);
4017  		__set_bit(SW_MUTE_DEVICE, input_dev->swbit);
4018  		fallthrough;
4019  
4020  	case BAMBOO_PT:
4021  	case BAMBOO_TOUCH:
4022  		if (features->pktlen == WACOM_PKGLEN_BBTOUCH3) {
4023  			input_set_abs_params(input_dev,
4024  				     ABS_MT_TOUCH_MAJOR,
4025  				     0, features->x_max, 0, 0);
4026  			input_set_abs_params(input_dev,
4027  				     ABS_MT_TOUCH_MINOR,
4028  				     0, features->y_max, 0, 0);
4029  		}
4030  		input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_POINTER);
4031  		break;
4032  
4033  	case BAMBOO_PAD:
4034  		input_mt_init_slots(input_dev, features->touch_max,
4035  				    INPUT_MT_POINTER);
4036  		__set_bit(BTN_LEFT, input_dev->keybit);
4037  		__set_bit(BTN_RIGHT, input_dev->keybit);
4038  		break;
4039  	}
4040  	return 0;
4041  }
4042  
wacom_numbered_button_to_key(int n)4043  static int wacom_numbered_button_to_key(int n)
4044  {
4045  	if (n < 10)
4046  		return BTN_0 + n;
4047  	else if (n < 16)
4048  		return BTN_A + (n-10);
4049  	else if (n < 18)
4050  		return BTN_BASE + (n-16);
4051  	else
4052  		return 0;
4053  }
4054  
wacom_setup_numbered_buttons(struct input_dev * input_dev,int button_count)4055  static void wacom_setup_numbered_buttons(struct input_dev *input_dev,
4056  				int button_count)
4057  {
4058  	int i;
4059  
4060  	for (i = 0; i < button_count; i++) {
4061  		int key = wacom_numbered_button_to_key(i);
4062  
4063  		if (key)
4064  			__set_bit(key, input_dev->keybit);
4065  	}
4066  }
4067  
wacom_24hd_update_leds(struct wacom * wacom,int mask,int group)4068  static void wacom_24hd_update_leds(struct wacom *wacom, int mask, int group)
4069  {
4070  	struct wacom_led *led;
4071  	int i;
4072  	bool updated = false;
4073  
4074  	/*
4075  	 * 24HD has LED group 1 to the left and LED group 0 to the right.
4076  	 * So group 0 matches the second half of the buttons and thus the mask
4077  	 * needs to be shifted.
4078  	 */
4079  	if (group == 0)
4080  		mask >>= 8;
4081  
4082  	for (i = 0; i < 3; i++) {
4083  		led = wacom_led_find(wacom, group, i);
4084  		if (!led) {
4085  			hid_err(wacom->hdev, "can't find LED %d in group %d\n",
4086  				i, group);
4087  			continue;
4088  		}
4089  		if (!updated && mask & BIT(i)) {
4090  			led->held = true;
4091  			led_trigger_event(&led->trigger, LED_FULL);
4092  		} else {
4093  			led->held = false;
4094  		}
4095  	}
4096  }
4097  
wacom_is_led_toggled(struct wacom * wacom,int button_count,int mask,int group)4098  static bool wacom_is_led_toggled(struct wacom *wacom, int button_count,
4099  				 int mask, int group)
4100  {
4101  	int group_button;
4102  
4103  	/*
4104  	 * 21UX2 has LED group 1 to the left and LED group 0
4105  	 * to the right. We need to reverse the group to match this
4106  	 * historical behavior.
4107  	 */
4108  	if (wacom->wacom_wac.features.type == WACOM_21UX2)
4109  		group = 1 - group;
4110  
4111  	group_button = group * (button_count/wacom->led.count);
4112  
4113  	if (wacom->wacom_wac.features.type == INTUOSP2_BT)
4114  		group_button = 8;
4115  
4116  	return mask & (1 << group_button);
4117  }
4118  
wacom_update_led(struct wacom * wacom,int button_count,int mask,int group)4119  static void wacom_update_led(struct wacom *wacom, int button_count, int mask,
4120  			     int group)
4121  {
4122  	struct wacom_led *led, *next_led;
4123  	int cur;
4124  	bool pressed;
4125  
4126  	if (wacom->wacom_wac.features.type == WACOM_24HD)
4127  		return wacom_24hd_update_leds(wacom, mask, group);
4128  
4129  	pressed = wacom_is_led_toggled(wacom, button_count, mask, group);
4130  	cur = wacom->led.groups[group].select;
4131  
4132  	led = wacom_led_find(wacom, group, cur);
4133  	if (!led) {
4134  		hid_err(wacom->hdev, "can't find current LED %d in group %d\n",
4135  			cur, group);
4136  		return;
4137  	}
4138  
4139  	if (!pressed) {
4140  		led->held = false;
4141  		return;
4142  	}
4143  
4144  	if (led->held && pressed)
4145  		return;
4146  
4147  	next_led = wacom_led_next(wacom, led);
4148  	if (!next_led) {
4149  		hid_err(wacom->hdev, "can't find next LED in group %d\n",
4150  			group);
4151  		return;
4152  	}
4153  	if (next_led == led)
4154  		return;
4155  
4156  	next_led->held = true;
4157  	led_trigger_event(&next_led->trigger,
4158  			  wacom_leds_brightness_get(next_led));
4159  }
4160  
wacom_report_numbered_buttons(struct input_dev * input_dev,int button_count,int mask)4161  static void wacom_report_numbered_buttons(struct input_dev *input_dev,
4162  				int button_count, int mask)
4163  {
4164  	struct wacom *wacom = input_get_drvdata(input_dev);
4165  	int i;
4166  
4167  	for (i = 0; i < wacom->led.count; i++)
4168  		wacom_update_led(wacom,  button_count, mask, i);
4169  
4170  	for (i = 0; i < button_count; i++) {
4171  		int key = wacom_numbered_button_to_key(i);
4172  
4173  		if (key)
4174  			input_report_key(input_dev, key, mask & (1 << i));
4175  	}
4176  }
4177  
wacom_setup_pad_input_capabilities(struct input_dev * input_dev,struct wacom_wac * wacom_wac)4178  int wacom_setup_pad_input_capabilities(struct input_dev *input_dev,
4179  				   struct wacom_wac *wacom_wac)
4180  {
4181  	struct wacom_features *features = &wacom_wac->features;
4182  
4183  	if ((features->type == HID_GENERIC) && features->numbered_buttons > 0)
4184  		features->device_type |= WACOM_DEVICETYPE_PAD;
4185  
4186  	if (!(features->device_type & WACOM_DEVICETYPE_PAD))
4187  		return -ENODEV;
4188  
4189  	if (features->type == REMOTE && input_dev == wacom_wac->pad_input)
4190  		return -ENODEV;
4191  
4192  	input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
4193  
4194  	/* kept for making legacy xf86-input-wacom working with the wheels */
4195  	__set_bit(ABS_MISC, input_dev->absbit);
4196  
4197  	/* kept for making legacy xf86-input-wacom accepting the pad */
4198  	if (!(input_dev->absinfo && (input_dev->absinfo[ABS_X].minimum ||
4199  	      input_dev->absinfo[ABS_X].maximum)))
4200  		input_set_abs_params(input_dev, ABS_X, 0, 1, 0, 0);
4201  	if (!(input_dev->absinfo && (input_dev->absinfo[ABS_Y].minimum ||
4202  	      input_dev->absinfo[ABS_Y].maximum)))
4203  		input_set_abs_params(input_dev, ABS_Y, 0, 1, 0, 0);
4204  
4205  	/* kept for making udev and libwacom accepting the pad */
4206  	__set_bit(BTN_STYLUS, input_dev->keybit);
4207  
4208  	wacom_setup_numbered_buttons(input_dev, features->numbered_buttons);
4209  
4210  	switch (features->type) {
4211  
4212  	case CINTIQ_HYBRID:
4213  	case CINTIQ_COMPANION_2:
4214  	case DTK:
4215  	case DTUS:
4216  	case GRAPHIRE_BT:
4217  		break;
4218  
4219  	case WACOM_MO:
4220  		__set_bit(BTN_BACK, input_dev->keybit);
4221  		__set_bit(BTN_LEFT, input_dev->keybit);
4222  		__set_bit(BTN_FORWARD, input_dev->keybit);
4223  		__set_bit(BTN_RIGHT, input_dev->keybit);
4224  		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4225  		break;
4226  
4227  	case WACOM_G4:
4228  		__set_bit(BTN_BACK, input_dev->keybit);
4229  		__set_bit(BTN_FORWARD, input_dev->keybit);
4230  		input_set_capability(input_dev, EV_REL, REL_WHEEL);
4231  		break;
4232  
4233  	case WACOM_24HD:
4234  		__set_bit(KEY_PROG1, input_dev->keybit);
4235  		__set_bit(KEY_PROG2, input_dev->keybit);
4236  		__set_bit(KEY_PROG3, input_dev->keybit);
4237  
4238  		__set_bit(KEY_ONSCREEN_KEYBOARD, input_dev->keybit);
4239  		__set_bit(KEY_INFO, input_dev->keybit);
4240  
4241  		if (!features->oPid)
4242  			__set_bit(KEY_BUTTONCONFIG, input_dev->keybit);
4243  
4244  		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4245  		input_set_abs_params(input_dev, ABS_THROTTLE, 0, 71, 0, 0);
4246  		break;
4247  
4248  	case WACOM_27QHD:
4249  		__set_bit(KEY_PROG1, input_dev->keybit);
4250  		__set_bit(KEY_PROG2, input_dev->keybit);
4251  		__set_bit(KEY_PROG3, input_dev->keybit);
4252  
4253  		__set_bit(KEY_ONSCREEN_KEYBOARD, input_dev->keybit);
4254  		__set_bit(KEY_BUTTONCONFIG, input_dev->keybit);
4255  
4256  		if (!features->oPid)
4257  			__set_bit(KEY_CONTROLPANEL, input_dev->keybit);
4258  		input_set_abs_params(input_dev, ABS_X, -2048, 2048, 0, 0);
4259  		input_abs_set_res(input_dev, ABS_X, 1024); /* points/g */
4260  		input_set_abs_params(input_dev, ABS_Y, -2048, 2048, 0, 0);
4261  		input_abs_set_res(input_dev, ABS_Y, 1024);
4262  		input_set_abs_params(input_dev, ABS_Z, -2048, 2048, 0, 0);
4263  		input_abs_set_res(input_dev, ABS_Z, 1024);
4264  		__set_bit(INPUT_PROP_ACCELEROMETER, input_dev->propbit);
4265  		break;
4266  
4267  	case WACOM_22HD:
4268  		__set_bit(KEY_PROG1, input_dev->keybit);
4269  		__set_bit(KEY_PROG2, input_dev->keybit);
4270  		__set_bit(KEY_PROG3, input_dev->keybit);
4271  
4272  		__set_bit(KEY_BUTTONCONFIG, input_dev->keybit);
4273  		__set_bit(KEY_INFO, input_dev->keybit);
4274  		fallthrough;
4275  
4276  	case WACOM_21UX2:
4277  	case WACOM_BEE:
4278  	case CINTIQ:
4279  		input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
4280  		input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
4281  		break;
4282  
4283  	case WACOM_13HD:
4284  		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4285  		break;
4286  
4287  	case INTUOS3:
4288  	case INTUOS3L:
4289  		input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
4290  		fallthrough;
4291  
4292  	case INTUOS3S:
4293  		input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
4294  		break;
4295  
4296  	case INTUOS5:
4297  	case INTUOS5L:
4298  	case INTUOSPM:
4299  	case INTUOSPL:
4300  	case INTUOS5S:
4301  	case INTUOSPS:
4302  	case INTUOSP2_BT:
4303  	case INTUOSP2S_BT:
4304  		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4305  		break;
4306  
4307  	case INTUOS4WL:
4308  		/*
4309  		 * For Bluetooth devices, the udev rule does not work correctly
4310  		 * for pads unless we add a stylus capability, which forces
4311  		 * ID_INPUT_TABLET to be set.
4312  		 */
4313  		__set_bit(BTN_STYLUS, input_dev->keybit);
4314  		fallthrough;
4315  
4316  	case INTUOS4:
4317  	case INTUOS4L:
4318  	case INTUOS4S:
4319  		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4320  		break;
4321  
4322  	case INTUOSHT:
4323  	case BAMBOO_PT:
4324  	case BAMBOO_TOUCH:
4325  	case INTUOSHT2:
4326  		__clear_bit(ABS_MISC, input_dev->absbit);
4327  
4328  		__set_bit(BTN_LEFT, input_dev->keybit);
4329  		__set_bit(BTN_FORWARD, input_dev->keybit);
4330  		__set_bit(BTN_BACK, input_dev->keybit);
4331  		__set_bit(BTN_RIGHT, input_dev->keybit);
4332  
4333  		break;
4334  
4335  	case REMOTE:
4336  		input_set_capability(input_dev, EV_MSC, MSC_SERIAL);
4337  		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4338  		break;
4339  
4340  	case INTUOSHT3_BT:
4341  	case HID_GENERIC:
4342  		break;
4343  
4344  	default:
4345  		/* no pad supported */
4346  		return -ENODEV;
4347  	}
4348  	return 0;
4349  }
4350  
4351  static const struct wacom_features wacom_features_0x00 =
4352  	{ "Wacom Penpartner", 5040, 3780, 255, 0,
4353  	  PENPARTNER, WACOM_PENPRTN_RES, WACOM_PENPRTN_RES };
4354  static const struct wacom_features wacom_features_0x10 =
4355  	{ "Wacom Graphire", 10206, 7422, 511, 63,
4356  	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4357  static const struct wacom_features wacom_features_0x81 =
4358  	{ "Wacom Graphire BT", 16704, 12064, 511, 32,
4359  	  GRAPHIRE_BT, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES, 2 };
4360  static const struct wacom_features wacom_features_0x11 =
4361  	{ "Wacom Graphire2 4x5", 10206, 7422, 511, 63,
4362  	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4363  static const struct wacom_features wacom_features_0x12 =
4364  	{ "Wacom Graphire2 5x7", 13918, 10206, 511, 63,
4365  	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4366  static const struct wacom_features wacom_features_0x13 =
4367  	{ "Wacom Graphire3", 10208, 7424, 511, 63,
4368  	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4369  static const struct wacom_features wacom_features_0x14 =
4370  	{ "Wacom Graphire3 6x8", 16704, 12064, 511, 63,
4371  	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4372  static const struct wacom_features wacom_features_0x15 =
4373  	{ "Wacom Graphire4 4x5", 10208, 7424, 511, 63,
4374  	  WACOM_G4, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4375  static const struct wacom_features wacom_features_0x16 =
4376  	{ "Wacom Graphire4 6x8", 16704, 12064, 511, 63,
4377  	  WACOM_G4, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4378  static const struct wacom_features wacom_features_0x17 =
4379  	{ "Wacom BambooFun 4x5", 14760, 9225, 511, 63,
4380  	  WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4381  static const struct wacom_features wacom_features_0x18 =
4382  	{ "Wacom BambooFun 6x8", 21648, 13530, 511, 63,
4383  	  WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4384  static const struct wacom_features wacom_features_0x19 =
4385  	{ "Wacom Bamboo1 Medium", 16704, 12064, 511, 63,
4386  	  GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4387  static const struct wacom_features wacom_features_0x60 =
4388  	{ "Wacom Volito", 5104, 3712, 511, 63,
4389  	  GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4390  static const struct wacom_features wacom_features_0x61 =
4391  	{ "Wacom PenStation2", 3250, 2320, 255, 63,
4392  	  GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4393  static const struct wacom_features wacom_features_0x62 =
4394  	{ "Wacom Volito2 4x5", 5104, 3712, 511, 63,
4395  	  GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4396  static const struct wacom_features wacom_features_0x63 =
4397  	{ "Wacom Volito2 2x3", 3248, 2320, 511, 63,
4398  	  GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4399  static const struct wacom_features wacom_features_0x64 =
4400  	{ "Wacom PenPartner2", 3250, 2320, 511, 63,
4401  	  GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4402  static const struct wacom_features wacom_features_0x65 =
4403  	{ "Wacom Bamboo", 14760, 9225, 511, 63,
4404  	  WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4405  static const struct wacom_features wacom_features_0x69 =
4406  	{ "Wacom Bamboo1", 5104, 3712, 511, 63,
4407  	  GRAPHIRE, WACOM_PENPRTN_RES, WACOM_PENPRTN_RES };
4408  static const struct wacom_features wacom_features_0x6A =
4409  	{ "Wacom Bamboo1 4x6", 14760, 9225, 1023, 63,
4410  	  GRAPHIRE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4411  static const struct wacom_features wacom_features_0x6B =
4412  	{ "Wacom Bamboo1 5x8", 21648, 13530, 1023, 63,
4413  	  GRAPHIRE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4414  static const struct wacom_features wacom_features_0x20 =
4415  	{ "Wacom Intuos 4x5", 12700, 10600, 1023, 31,
4416  	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4417  static const struct wacom_features wacom_features_0x21 =
4418  	{ "Wacom Intuos 6x8", 20320, 16240, 1023, 31,
4419  	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4420  static const struct wacom_features wacom_features_0x22 =
4421  	{ "Wacom Intuos 9x12", 30480, 24060, 1023, 31,
4422  	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4423  static const struct wacom_features wacom_features_0x23 =
4424  	{ "Wacom Intuos 12x12", 30480, 31680, 1023, 31,
4425  	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4426  static const struct wacom_features wacom_features_0x24 =
4427  	{ "Wacom Intuos 12x18", 45720, 31680, 1023, 31,
4428  	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4429  static const struct wacom_features wacom_features_0x30 =
4430  	{ "Wacom PL400", 5408, 4056, 255, 0,
4431  	  PL, WACOM_PL_RES, WACOM_PL_RES };
4432  static const struct wacom_features wacom_features_0x31 =
4433  	{ "Wacom PL500", 6144, 4608, 255, 0,
4434  	  PL, WACOM_PL_RES, WACOM_PL_RES };
4435  static const struct wacom_features wacom_features_0x32 =
4436  	{ "Wacom PL600", 6126, 4604, 255, 0,
4437  	  PL, WACOM_PL_RES, WACOM_PL_RES };
4438  static const struct wacom_features wacom_features_0x33 =
4439  	{ "Wacom PL600SX", 6260, 5016, 255, 0,
4440  	  PL, WACOM_PL_RES, WACOM_PL_RES };
4441  static const struct wacom_features wacom_features_0x34 =
4442  	{ "Wacom PL550", 6144, 4608, 511, 0,
4443  	  PL, WACOM_PL_RES, WACOM_PL_RES };
4444  static const struct wacom_features wacom_features_0x35 =
4445  	{ "Wacom PL800", 7220, 5780, 511, 0,
4446  	  PL, WACOM_PL_RES, WACOM_PL_RES };
4447  static const struct wacom_features wacom_features_0x37 =
4448  	{ "Wacom PL700", 6758, 5406, 511, 0,
4449  	  PL, WACOM_PL_RES, WACOM_PL_RES };
4450  static const struct wacom_features wacom_features_0x38 =
4451  	{ "Wacom PL510", 6282, 4762, 511, 0,
4452  	  PL, WACOM_PL_RES, WACOM_PL_RES };
4453  static const struct wacom_features wacom_features_0x39 =
4454  	{ "Wacom DTU710", 34080, 27660, 511, 0,
4455  	  PL, WACOM_PL_RES, WACOM_PL_RES };
4456  static const struct wacom_features wacom_features_0xC4 =
4457  	{ "Wacom DTF521", 6282, 4762, 511, 0,
4458  	  PL, WACOM_PL_RES, WACOM_PL_RES };
4459  static const struct wacom_features wacom_features_0xC0 =
4460  	{ "Wacom DTF720", 6858, 5506, 511, 0,
4461  	  PL, WACOM_PL_RES, WACOM_PL_RES };
4462  static const struct wacom_features wacom_features_0xC2 =
4463  	{ "Wacom DTF720a", 6858, 5506, 511, 0,
4464  	  PL, WACOM_PL_RES, WACOM_PL_RES };
4465  static const struct wacom_features wacom_features_0x03 =
4466  	{ "Wacom Cintiq Partner", 20480, 15360, 511, 0,
4467  	  PTU, WACOM_PL_RES, WACOM_PL_RES };
4468  static const struct wacom_features wacom_features_0x41 =
4469  	{ "Wacom Intuos2 4x5", 12700, 10600, 1023, 31,
4470  	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4471  static const struct wacom_features wacom_features_0x42 =
4472  	{ "Wacom Intuos2 6x8", 20320, 16240, 1023, 31,
4473  	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4474  static const struct wacom_features wacom_features_0x43 =
4475  	{ "Wacom Intuos2 9x12", 30480, 24060, 1023, 31,
4476  	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4477  static const struct wacom_features wacom_features_0x44 =
4478  	{ "Wacom Intuos2 12x12", 30480, 31680, 1023, 31,
4479  	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4480  static const struct wacom_features wacom_features_0x45 =
4481  	{ "Wacom Intuos2 12x18", 45720, 31680, 1023, 31,
4482  	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4483  static const struct wacom_features wacom_features_0xB0 =
4484  	{ "Wacom Intuos3 4x5", 25400, 20320, 1023, 63,
4485  	  INTUOS3S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 4 };
4486  static const struct wacom_features wacom_features_0xB1 =
4487  	{ "Wacom Intuos3 6x8", 40640, 30480, 1023, 63,
4488  	  INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4489  static const struct wacom_features wacom_features_0xB2 =
4490  	{ "Wacom Intuos3 9x12", 60960, 45720, 1023, 63,
4491  	  INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4492  static const struct wacom_features wacom_features_0xB3 =
4493  	{ "Wacom Intuos3 12x12", 60960, 60960, 1023, 63,
4494  	  INTUOS3L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4495  static const struct wacom_features wacom_features_0xB4 =
4496  	{ "Wacom Intuos3 12x19", 97536, 60960, 1023, 63,
4497  	  INTUOS3L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4498  static const struct wacom_features wacom_features_0xB5 =
4499  	{ "Wacom Intuos3 6x11", 54204, 31750, 1023, 63,
4500  	  INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4501  static const struct wacom_features wacom_features_0xB7 =
4502  	{ "Wacom Intuos3 4x6", 31496, 19685, 1023, 63,
4503  	  INTUOS3S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 4 };
4504  static const struct wacom_features wacom_features_0xB8 =
4505  	{ "Wacom Intuos4 4x6", 31496, 19685, 2047, 63,
4506  	  INTUOS4S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7 };
4507  static const struct wacom_features wacom_features_0xB9 =
4508  	{ "Wacom Intuos4 6x9", 44704, 27940, 2047, 63,
4509  	  INTUOS4, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4510  static const struct wacom_features wacom_features_0xBA =
4511  	{ "Wacom Intuos4 8x13", 65024, 40640, 2047, 63,
4512  	  INTUOS4L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4513  static const struct wacom_features wacom_features_0xBB =
4514  	{ "Wacom Intuos4 12x19", 97536, 60960, 2047, 63,
4515  	  INTUOS4L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4516  static const struct wacom_features wacom_features_0xBC =
4517  	{ "Wacom Intuos4 WL", 40640, 25400, 2047, 63,
4518  	  INTUOS4, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4519  static const struct wacom_features wacom_features_0xBD =
4520  	{ "Wacom Intuos4 WL", 40640, 25400, 2047, 63,
4521  	  INTUOS4WL, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4522  static const struct wacom_features wacom_features_0x26 =
4523  	{ "Wacom Intuos5 touch S", 31496, 19685, 2047, 63,
4524  	  INTUOS5S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7, .touch_max = 16 };
4525  static const struct wacom_features wacom_features_0x27 =
4526  	{ "Wacom Intuos5 touch M", 44704, 27940, 2047, 63,
4527  	  INTUOS5, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16 };
4528  static const struct wacom_features wacom_features_0x28 =
4529  	{ "Wacom Intuos5 touch L", 65024, 40640, 2047, 63,
4530  	  INTUOS5L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16 };
4531  static const struct wacom_features wacom_features_0x29 =
4532  	{ "Wacom Intuos5 S", 31496, 19685, 2047, 63,
4533  	  INTUOS5S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7 };
4534  static const struct wacom_features wacom_features_0x2A =
4535  	{ "Wacom Intuos5 M", 44704, 27940, 2047, 63,
4536  	  INTUOS5, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4537  static const struct wacom_features wacom_features_0x314 =
4538  	{ "Wacom Intuos Pro S", 31496, 19685, 2047, 63,
4539  	  INTUOSPS, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7, .touch_max = 16,
4540  	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4541  static const struct wacom_features wacom_features_0x315 =
4542  	{ "Wacom Intuos Pro M", 44704, 27940, 2047, 63,
4543  	  INTUOSPM, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16,
4544  	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4545  static const struct wacom_features wacom_features_0x317 =
4546  	{ "Wacom Intuos Pro L", 65024, 40640, 2047, 63,
4547  	  INTUOSPL, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16,
4548  	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4549  static const struct wacom_features wacom_features_0xF4 =
4550  	{ "Wacom Cintiq 24HD", 104480, 65600, 2047, 63,
4551  	  WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 16,
4552  	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4553  	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4554  static const struct wacom_features wacom_features_0xF8 =
4555  	{ "Wacom Cintiq 24HD touch", 104480, 65600, 2047, 63, /* Pen */
4556  	  WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 16,
4557  	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4558  	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4559  	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf6 };
4560  static const struct wacom_features wacom_features_0xF6 =
4561  	{ "Wacom Cintiq 24HD touch", .type = WACOM_24HDT, /* Touch */
4562  	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf8, .touch_max = 10,
4563  	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4564  static const struct wacom_features wacom_features_0x32A =
4565  	{ "Wacom Cintiq 27QHD", 120140, 67920, 2047, 63,
4566  	  WACOM_27QHD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 0,
4567  	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4568  	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4569  static const struct wacom_features wacom_features_0x32B =
4570  	{ "Wacom Cintiq 27QHD touch", 120140, 67920, 2047, 63,
4571  	  WACOM_27QHD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 0,
4572  	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4573  	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4574  	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x32C };
4575  static const struct wacom_features wacom_features_0x32C =
4576  	{ "Wacom Cintiq 27QHD touch", .type = WACOM_27QHDT,
4577  	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x32B, .touch_max = 10 };
4578  static const struct wacom_features wacom_features_0x3F =
4579  	{ "Wacom Cintiq 21UX", 87200, 65600, 1023, 63,
4580  	  CINTIQ, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4581  static const struct wacom_features wacom_features_0xC5 =
4582  	{ "Wacom Cintiq 20WSX", 86680, 54180, 1023, 63,
4583  	  WACOM_BEE, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 10 };
4584  static const struct wacom_features wacom_features_0xC6 =
4585  	{ "Wacom Cintiq 12WX", 53020, 33440, 1023, 63,
4586  	  WACOM_BEE, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 10 };
4587  static const struct wacom_features wacom_features_0x304 =
4588  	{ "Wacom Cintiq 13HD", 59552, 33848, 1023, 63,
4589  	  WACOM_13HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4590  	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4591  	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4592  static const struct wacom_features wacom_features_0x333 =
4593  	{ "Wacom Cintiq 13HD touch", 59552, 33848, 2047, 63,
4594  	  WACOM_13HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4595  	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4596  	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4597  	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x335 };
4598  static const struct wacom_features wacom_features_0x335 =
4599  	{ "Wacom Cintiq 13HD touch", .type = WACOM_24HDT, /* Touch */
4600  	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x333, .touch_max = 10,
4601  	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4602  static const struct wacom_features wacom_features_0xC7 =
4603  	{ "Wacom DTU1931", 37832, 30305, 511, 0,
4604  	  PL, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4605  static const struct wacom_features wacom_features_0xCE =
4606  	{ "Wacom DTU2231", 47864, 27011, 511, 0,
4607  	  DTU, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4608  	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBMOUSE };
4609  static const struct wacom_features wacom_features_0xF0 =
4610  	{ "Wacom DTU1631", 34623, 19553, 511, 0,
4611  	  DTU, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4612  static const struct wacom_features wacom_features_0xFB =
4613  	{ "Wacom DTU1031", 22096, 13960, 511, 0,
4614  	  DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
4615  	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4616  	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4617  static const struct wacom_features wacom_features_0x32F =
4618  	{ "Wacom DTU1031X", 22672, 12928, 511, 0,
4619  	  DTUSX, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 0,
4620  	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4621  	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4622  static const struct wacom_features wacom_features_0x336 =
4623  	{ "Wacom DTU1141", 23672, 13403, 1023, 0,
4624  	  DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
4625  	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4626  	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4627  static const struct wacom_features wacom_features_0x57 =
4628  	{ "Wacom DTK2241", 95840, 54260, 2047, 63,
4629  	  DTK, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 6,
4630  	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4631  	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4632  static const struct wacom_features wacom_features_0x59 = /* Pen */
4633  	{ "Wacom DTH2242", 95840, 54260, 2047, 63,
4634  	  DTK, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 6,
4635  	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4636  	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4637  	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5D };
4638  static const struct wacom_features wacom_features_0x5D = /* Touch */
4639  	{ "Wacom DTH2242",       .type = WACOM_24HDT,
4640  	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x59, .touch_max = 10,
4641  	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4642  static const struct wacom_features wacom_features_0xCC =
4643  	{ "Wacom Cintiq 21UX2", 87200, 65600, 2047, 63,
4644  	  WACOM_21UX2, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 18,
4645  	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4646  	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4647  static const struct wacom_features wacom_features_0xFA =
4648  	{ "Wacom Cintiq 22HD", 95840, 54260, 2047, 63,
4649  	  WACOM_22HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 18,
4650  	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4651  	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4652  static const struct wacom_features wacom_features_0x5B =
4653  	{ "Wacom Cintiq 22HDT", 95840, 54260, 2047, 63,
4654  	  WACOM_22HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 18,
4655  	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4656  	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4657  	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5e };
4658  static const struct wacom_features wacom_features_0x5E =
4659  	{ "Wacom Cintiq 22HDT", .type = WACOM_24HDT,
4660  	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5b, .touch_max = 10,
4661  	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4662  static const struct wacom_features wacom_features_0x90 =
4663  	{ "Wacom ISDv4 90", 26202, 16325, 255, 0,
4664  	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4665  static const struct wacom_features wacom_features_0x93 =
4666  	{ "Wacom ISDv4 93", 26202, 16325, 255, 0,
4667  	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4668  static const struct wacom_features wacom_features_0x97 =
4669  	{ "Wacom ISDv4 97", 26202, 16325, 511, 0,
4670  	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4671  static const struct wacom_features wacom_features_0x9A =
4672  	{ "Wacom ISDv4 9A", 26202, 16325, 255, 0,
4673  	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4674  static const struct wacom_features wacom_features_0x9F =
4675  	{ "Wacom ISDv4 9F", 26202, 16325, 255, 0,
4676  	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4677  static const struct wacom_features wacom_features_0xE2 =
4678  	{ "Wacom ISDv4 E2", 26202, 16325, 255, 0,
4679  	  TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4680  static const struct wacom_features wacom_features_0xE3 =
4681  	{ "Wacom ISDv4 E3", 26202, 16325, 255, 0,
4682  	  TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4683  static const struct wacom_features wacom_features_0xE5 =
4684  	{ "Wacom ISDv4 E5", 26202, 16325, 255, 0,
4685  	  MTSCREEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4686  static const struct wacom_features wacom_features_0xE6 =
4687  	{ "Wacom ISDv4 E6", 27760, 15694, 255, 0,
4688  	  TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4689  static const struct wacom_features wacom_features_0xEC =
4690  	{ "Wacom ISDv4 EC", 25710, 14500, 255, 0,
4691  	  TABLETPC,    WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4692  static const struct wacom_features wacom_features_0xED =
4693  	{ "Wacom ISDv4 ED", 26202, 16325, 255, 0,
4694  	  TABLETPCE, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4695  static const struct wacom_features wacom_features_0xEF =
4696  	{ "Wacom ISDv4 EF", 26202, 16325, 255, 0,
4697  	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4698  static const struct wacom_features wacom_features_0x100 =
4699  	{ "Wacom ISDv4 100", 26202, 16325, 255, 0,
4700  	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4701  static const struct wacom_features wacom_features_0x101 =
4702  	{ "Wacom ISDv4 101", 26202, 16325, 255, 0,
4703  	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4704  static const struct wacom_features wacom_features_0x10D =
4705  	{ "Wacom ISDv4 10D", 26202, 16325, 255, 0,
4706  	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4707  static const struct wacom_features wacom_features_0x10E =
4708  	{ "Wacom ISDv4 10E", 27760, 15694, 255, 0,
4709  	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4710  static const struct wacom_features wacom_features_0x10F =
4711  	{ "Wacom ISDv4 10F", 27760, 15694, 255, 0,
4712  	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4713  static const struct wacom_features wacom_features_0x116 =
4714  	{ "Wacom ISDv4 116", 26202, 16325, 255, 0,
4715  	  TABLETPCE, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4716  static const struct wacom_features wacom_features_0x12C =
4717  	{ "Wacom ISDv4 12C", 27848, 15752, 2047, 0,
4718  	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4719  static const struct wacom_features wacom_features_0x4001 =
4720  	{ "Wacom ISDv4 4001", 26202, 16325, 255, 0,
4721  	  MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4722  static const struct wacom_features wacom_features_0x4004 =
4723  	{ "Wacom ISDv4 4004", 11060, 6220, 255, 0,
4724  	  MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4725  static const struct wacom_features wacom_features_0x5000 =
4726  	{ "Wacom ISDv4 5000", 27848, 15752, 1023, 0,
4727  	  MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4728  static const struct wacom_features wacom_features_0x5002 =
4729  	{ "Wacom ISDv4 5002", 29576, 16724, 1023, 0,
4730  	  MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4731  static const struct wacom_features wacom_features_0x47 =
4732  	{ "Wacom Intuos2 6x8", 20320, 16240, 1023, 31,
4733  	  INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4734  static const struct wacom_features wacom_features_0x84 =
4735  	{ "Wacom Wireless Receiver", .type = WIRELESS, .touch_max = 16 };
4736  static const struct wacom_features wacom_features_0xD0 =
4737  	{ "Wacom Bamboo 2FG", 14720, 9200, 1023, 31,
4738  	  BAMBOO_TOUCH, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4739  static const struct wacom_features wacom_features_0xD1 =
4740  	{ "Wacom Bamboo 2FG 4x5", 14720, 9200, 1023, 31,
4741  	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4742  static const struct wacom_features wacom_features_0xD2 =
4743  	{ "Wacom Bamboo Craft", 14720, 9200, 1023, 31,
4744  	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4745  static const struct wacom_features wacom_features_0xD3 =
4746  	{ "Wacom Bamboo 2FG 6x8", 21648, 13700, 1023, 31,
4747  	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4748  static const struct wacom_features wacom_features_0xD4 =
4749  	{ "Wacom Bamboo Pen", 14720, 9200, 1023, 31,
4750  	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4751  static const struct wacom_features wacom_features_0xD5 =
4752  	{ "Wacom Bamboo Pen 6x8", 21648, 13700, 1023, 31,
4753  	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4754  static const struct wacom_features wacom_features_0xD6 =
4755  	{ "Wacom BambooPT 2FG 4x5", 14720, 9200, 1023, 31,
4756  	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4757  static const struct wacom_features wacom_features_0xD7 =
4758  	{ "Wacom BambooPT 2FG Small", 14720, 9200, 1023, 31,
4759  	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4760  static const struct wacom_features wacom_features_0xD8 =
4761  	{ "Wacom Bamboo Comic 2FG", 21648, 13700, 1023, 31,
4762  	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4763  static const struct wacom_features wacom_features_0xDA =
4764  	{ "Wacom Bamboo 2FG 4x5 SE", 14720, 9200, 1023, 31,
4765  	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4766  static const struct wacom_features wacom_features_0xDB =
4767  	{ "Wacom Bamboo 2FG 6x8 SE", 21648, 13700, 1023, 31,
4768  	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4769  static const struct wacom_features wacom_features_0xDD =
4770          { "Wacom Bamboo Connect", 14720, 9200, 1023, 31,
4771            BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4772  static const struct wacom_features wacom_features_0xDE =
4773          { "Wacom Bamboo 16FG 4x5", 14720, 9200, 1023, 31,
4774  	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16 };
4775  static const struct wacom_features wacom_features_0xDF =
4776          { "Wacom Bamboo 16FG 6x8", 21648, 13700, 1023, 31,
4777  	  BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16 };
4778  static const struct wacom_features wacom_features_0x300 =
4779  	{ "Wacom Bamboo One S", 14720, 9225, 1023, 31,
4780  	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4781  static const struct wacom_features wacom_features_0x301 =
4782  	{ "Wacom Bamboo One M", 21648, 13530, 1023, 31,
4783  	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4784  static const struct wacom_features wacom_features_0x302 =
4785  	{ "Wacom Intuos PT S", 15200, 9500, 1023, 31,
4786  	  INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4787  	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4788  static const struct wacom_features wacom_features_0x303 =
4789  	{ "Wacom Intuos PT M", 21600, 13500, 1023, 31,
4790  	  INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4791  	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4792  static const struct wacom_features wacom_features_0x30E =
4793  	{ "Wacom Intuos S", 15200, 9500, 1023, 31,
4794  	  INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4795  	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4796  static const struct wacom_features wacom_features_0x6004 =
4797  	{ "ISD-V4", 12800, 8000, 255, 0,
4798  	  TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4799  static const struct wacom_features wacom_features_0x307 =
4800  	{ "Wacom ISDv5 307", 59552, 33848, 2047, 63,
4801  	  CINTIQ_HYBRID, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4802  	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4803  	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4804  	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x309 };
4805  static const struct wacom_features wacom_features_0x309 =
4806  	{ "Wacom ISDv5 309", .type = WACOM_24HDT, /* Touch */
4807  	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x0307, .touch_max = 10,
4808  	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4809  static const struct wacom_features wacom_features_0x30A =
4810  	{ "Wacom ISDv5 30A", 59552, 33848, 2047, 63,
4811  	  CINTIQ_HYBRID, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4812  	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4813  	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4814  	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x30C };
4815  static const struct wacom_features wacom_features_0x30C =
4816  	{ "Wacom ISDv5 30C", .type = WACOM_24HDT, /* Touch */
4817  	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x30A, .touch_max = 10,
4818  	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4819  static const struct wacom_features wacom_features_0x318 =
4820  	{ "Wacom USB Bamboo PAD", 4095, 4095, /* Touch */
4821  	  .type = BAMBOO_PAD, 35, 48, .touch_max = 4 };
4822  static const struct wacom_features wacom_features_0x319 =
4823  	{ "Wacom Wireless Bamboo PAD", 4095, 4095, /* Touch */
4824  	  .type = BAMBOO_PAD, 35, 48, .touch_max = 4 };
4825  static const struct wacom_features wacom_features_0x325 =
4826  	{ "Wacom ISDv5 325", 59552, 33848, 2047, 63,
4827  	  CINTIQ_COMPANION_2, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 11,
4828  	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4829  	  WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4830  	  .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x326 };
4831  static const struct wacom_features wacom_features_0x326 = /* Touch */
4832  	{ "Wacom ISDv5 326", .type = HID_GENERIC, .oVid = USB_VENDOR_ID_WACOM,
4833  	  .oPid = 0x325 };
4834  static const struct wacom_features wacom_features_0x323 =
4835  	{ "Wacom Intuos P M", 21600, 13500, 1023, 31,
4836  	  INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4837  	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4838  static const struct wacom_features wacom_features_0x331 =
4839  	{ "Wacom Express Key Remote", .type = REMOTE,
4840  	  .numbered_buttons = 18, .check_for_hid_type = true,
4841  	  .hid_type = HID_TYPE_USBNONE };
4842  static const struct wacom_features wacom_features_0x33B =
4843  	{ "Wacom Intuos S 2", 15200, 9500, 2047, 63,
4844  	  INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4845  	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4846  static const struct wacom_features wacom_features_0x33C =
4847  	{ "Wacom Intuos PT S 2", 15200, 9500, 2047, 63,
4848  	  INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4849  	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4850  static const struct wacom_features wacom_features_0x33D =
4851  	{ "Wacom Intuos P M 2", 21600, 13500, 2047, 63,
4852  	  INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4853  	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4854  static const struct wacom_features wacom_features_0x33E =
4855  	{ "Wacom Intuos PT M 2", 21600, 13500, 2047, 63,
4856  	  INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4857  	  .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4858  static const struct wacom_features wacom_features_0x343 =
4859  	{ "Wacom DTK1651", 34816, 19759, 1023, 0,
4860  	  DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
4861  	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4862  	  WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4863  static const struct wacom_features wacom_features_0x360 =
4864  	{ "Wacom Intuos Pro M", 44800, 29600, 8191, 63,
4865  	  INTUOSP2_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 10 };
4866  static const struct wacom_features wacom_features_0x361 =
4867  	{ "Wacom Intuos Pro L", 62200, 43200, 8191, 63,
4868  	  INTUOSP2_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 10 };
4869  static const struct wacom_features wacom_features_0x377 =
4870  	{ "Wacom Intuos BT S", 15200, 9500, 4095, 63,
4871  	  INTUOSHT3_BT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4 };
4872  static const struct wacom_features wacom_features_0x379 =
4873  	{ "Wacom Intuos BT M", 21600, 13500, 4095, 63,
4874  	  INTUOSHT3_BT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4 };
4875  static const struct wacom_features wacom_features_0x37A =
4876  	{ "Wacom One by Wacom S", 15200, 9500, 2047, 63,
4877  	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4878  static const struct wacom_features wacom_features_0x37B =
4879  	{ "Wacom One by Wacom M", 21600, 13500, 2047, 63,
4880  	  BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4881  static const struct wacom_features wacom_features_0x393 =
4882  	{ "Wacom Intuos Pro S", 31920, 19950, 8191, 63,
4883  	  INTUOSP2S_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7,
4884  	  .touch_max = 10 };
4885  static const struct wacom_features wacom_features_0x3c6 =
4886  	{ "Wacom Intuos BT S", 15200, 9500, 4095, 63,
4887  	  INTUOSHT3_BT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4 };
4888  static const struct wacom_features wacom_features_0x3c8 =
4889  	{ "Wacom Intuos BT M", 21600, 13500, 4095, 63,
4890  	  INTUOSHT3_BT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4 };
4891  static const struct wacom_features wacom_features_0x3dd =
4892  	{ "Wacom Intuos Pro S", 31920, 19950, 8191, 63,
4893  	  INTUOSP2S_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7,
4894  	  .touch_max = 10 };
4895  
4896  static const struct wacom_features wacom_features_HID_ANY_ID =
4897  	{ "Wacom HID", .type = HID_GENERIC, .oVid = HID_ANY_ID, .oPid = HID_ANY_ID };
4898  
4899  static const struct wacom_features wacom_features_0x94 =
4900  	{ "Wacom Bootloader", .type = BOOTLOADER };
4901  
4902  #define USB_DEVICE_WACOM(prod)						\
4903  	HID_DEVICE(BUS_USB, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
4904  	.driver_data = (kernel_ulong_t)&wacom_features_##prod
4905  
4906  #define BT_DEVICE_WACOM(prod)						\
4907  	HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
4908  	.driver_data = (kernel_ulong_t)&wacom_features_##prod
4909  
4910  #define I2C_DEVICE_WACOM(prod)						\
4911  	HID_DEVICE(BUS_I2C, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
4912  	.driver_data = (kernel_ulong_t)&wacom_features_##prod
4913  
4914  #define PCI_DEVICE_WACOM(prod)						\
4915  	HID_DEVICE(BUS_PCI, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
4916  	.driver_data = (kernel_ulong_t)&wacom_features_##prod
4917  
4918  #define USB_DEVICE_LENOVO(prod)					\
4919  	HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, prod),			\
4920  	.driver_data = (kernel_ulong_t)&wacom_features_##prod
4921  
4922  const struct hid_device_id wacom_ids[] = {
4923  	{ USB_DEVICE_WACOM(0x00) },
4924  	{ USB_DEVICE_WACOM(0x03) },
4925  	{ USB_DEVICE_WACOM(0x10) },
4926  	{ USB_DEVICE_WACOM(0x11) },
4927  	{ USB_DEVICE_WACOM(0x12) },
4928  	{ USB_DEVICE_WACOM(0x13) },
4929  	{ USB_DEVICE_WACOM(0x14) },
4930  	{ USB_DEVICE_WACOM(0x15) },
4931  	{ USB_DEVICE_WACOM(0x16) },
4932  	{ USB_DEVICE_WACOM(0x17) },
4933  	{ USB_DEVICE_WACOM(0x18) },
4934  	{ USB_DEVICE_WACOM(0x19) },
4935  	{ USB_DEVICE_WACOM(0x20) },
4936  	{ USB_DEVICE_WACOM(0x21) },
4937  	{ USB_DEVICE_WACOM(0x22) },
4938  	{ USB_DEVICE_WACOM(0x23) },
4939  	{ USB_DEVICE_WACOM(0x24) },
4940  	{ USB_DEVICE_WACOM(0x26) },
4941  	{ USB_DEVICE_WACOM(0x27) },
4942  	{ USB_DEVICE_WACOM(0x28) },
4943  	{ USB_DEVICE_WACOM(0x29) },
4944  	{ USB_DEVICE_WACOM(0x2A) },
4945  	{ USB_DEVICE_WACOM(0x30) },
4946  	{ USB_DEVICE_WACOM(0x31) },
4947  	{ USB_DEVICE_WACOM(0x32) },
4948  	{ USB_DEVICE_WACOM(0x33) },
4949  	{ USB_DEVICE_WACOM(0x34) },
4950  	{ USB_DEVICE_WACOM(0x35) },
4951  	{ USB_DEVICE_WACOM(0x37) },
4952  	{ USB_DEVICE_WACOM(0x38) },
4953  	{ USB_DEVICE_WACOM(0x39) },
4954  	{ USB_DEVICE_WACOM(0x3F) },
4955  	{ USB_DEVICE_WACOM(0x41) },
4956  	{ USB_DEVICE_WACOM(0x42) },
4957  	{ USB_DEVICE_WACOM(0x43) },
4958  	{ USB_DEVICE_WACOM(0x44) },
4959  	{ USB_DEVICE_WACOM(0x45) },
4960  	{ USB_DEVICE_WACOM(0x47) },
4961  	{ USB_DEVICE_WACOM(0x57) },
4962  	{ USB_DEVICE_WACOM(0x59) },
4963  	{ USB_DEVICE_WACOM(0x5B) },
4964  	{ USB_DEVICE_WACOM(0x5D) },
4965  	{ USB_DEVICE_WACOM(0x5E) },
4966  	{ USB_DEVICE_WACOM(0x60) },
4967  	{ USB_DEVICE_WACOM(0x61) },
4968  	{ USB_DEVICE_WACOM(0x62) },
4969  	{ USB_DEVICE_WACOM(0x63) },
4970  	{ USB_DEVICE_WACOM(0x64) },
4971  	{ USB_DEVICE_WACOM(0x65) },
4972  	{ USB_DEVICE_WACOM(0x69) },
4973  	{ USB_DEVICE_WACOM(0x6A) },
4974  	{ USB_DEVICE_WACOM(0x6B) },
4975  	{ BT_DEVICE_WACOM(0x81) },
4976  	{ USB_DEVICE_WACOM(0x84) },
4977  	{ USB_DEVICE_WACOM(0x90) },
4978  	{ USB_DEVICE_WACOM(0x93) },
4979  	{ USB_DEVICE_WACOM(0x94) },
4980  	{ USB_DEVICE_WACOM(0x97) },
4981  	{ USB_DEVICE_WACOM(0x9A) },
4982  	{ USB_DEVICE_WACOM(0x9F) },
4983  	{ USB_DEVICE_WACOM(0xB0) },
4984  	{ USB_DEVICE_WACOM(0xB1) },
4985  	{ USB_DEVICE_WACOM(0xB2) },
4986  	{ USB_DEVICE_WACOM(0xB3) },
4987  	{ USB_DEVICE_WACOM(0xB4) },
4988  	{ USB_DEVICE_WACOM(0xB5) },
4989  	{ USB_DEVICE_WACOM(0xB7) },
4990  	{ USB_DEVICE_WACOM(0xB8) },
4991  	{ USB_DEVICE_WACOM(0xB9) },
4992  	{ USB_DEVICE_WACOM(0xBA) },
4993  	{ USB_DEVICE_WACOM(0xBB) },
4994  	{ USB_DEVICE_WACOM(0xBC) },
4995  	{ BT_DEVICE_WACOM(0xBD) },
4996  	{ USB_DEVICE_WACOM(0xC0) },
4997  	{ USB_DEVICE_WACOM(0xC2) },
4998  	{ USB_DEVICE_WACOM(0xC4) },
4999  	{ USB_DEVICE_WACOM(0xC5) },
5000  	{ USB_DEVICE_WACOM(0xC6) },
5001  	{ USB_DEVICE_WACOM(0xC7) },
5002  	{ USB_DEVICE_WACOM(0xCC) },
5003  	{ USB_DEVICE_WACOM(0xCE) },
5004  	{ USB_DEVICE_WACOM(0xD0) },
5005  	{ USB_DEVICE_WACOM(0xD1) },
5006  	{ USB_DEVICE_WACOM(0xD2) },
5007  	{ USB_DEVICE_WACOM(0xD3) },
5008  	{ USB_DEVICE_WACOM(0xD4) },
5009  	{ USB_DEVICE_WACOM(0xD5) },
5010  	{ USB_DEVICE_WACOM(0xD6) },
5011  	{ USB_DEVICE_WACOM(0xD7) },
5012  	{ USB_DEVICE_WACOM(0xD8) },
5013  	{ USB_DEVICE_WACOM(0xDA) },
5014  	{ USB_DEVICE_WACOM(0xDB) },
5015  	{ USB_DEVICE_WACOM(0xDD) },
5016  	{ USB_DEVICE_WACOM(0xDE) },
5017  	{ USB_DEVICE_WACOM(0xDF) },
5018  	{ USB_DEVICE_WACOM(0xE2) },
5019  	{ USB_DEVICE_WACOM(0xE3) },
5020  	{ USB_DEVICE_WACOM(0xE5) },
5021  	{ USB_DEVICE_WACOM(0xE6) },
5022  	{ USB_DEVICE_WACOM(0xEC) },
5023  	{ USB_DEVICE_WACOM(0xED) },
5024  	{ USB_DEVICE_WACOM(0xEF) },
5025  	{ USB_DEVICE_WACOM(0xF0) },
5026  	{ USB_DEVICE_WACOM(0xF4) },
5027  	{ USB_DEVICE_WACOM(0xF6) },
5028  	{ USB_DEVICE_WACOM(0xF8) },
5029  	{ USB_DEVICE_WACOM(0xFA) },
5030  	{ USB_DEVICE_WACOM(0xFB) },
5031  	{ USB_DEVICE_WACOM(0x100) },
5032  	{ USB_DEVICE_WACOM(0x101) },
5033  	{ USB_DEVICE_WACOM(0x10D) },
5034  	{ USB_DEVICE_WACOM(0x10E) },
5035  	{ USB_DEVICE_WACOM(0x10F) },
5036  	{ USB_DEVICE_WACOM(0x116) },
5037  	{ USB_DEVICE_WACOM(0x12C) },
5038  	{ USB_DEVICE_WACOM(0x300) },
5039  	{ USB_DEVICE_WACOM(0x301) },
5040  	{ USB_DEVICE_WACOM(0x302) },
5041  	{ USB_DEVICE_WACOM(0x303) },
5042  	{ USB_DEVICE_WACOM(0x304) },
5043  	{ USB_DEVICE_WACOM(0x307) },
5044  	{ USB_DEVICE_WACOM(0x309) },
5045  	{ USB_DEVICE_WACOM(0x30A) },
5046  	{ USB_DEVICE_WACOM(0x30C) },
5047  	{ USB_DEVICE_WACOM(0x30E) },
5048  	{ USB_DEVICE_WACOM(0x314) },
5049  	{ USB_DEVICE_WACOM(0x315) },
5050  	{ USB_DEVICE_WACOM(0x317) },
5051  	{ USB_DEVICE_WACOM(0x318) },
5052  	{ USB_DEVICE_WACOM(0x319) },
5053  	{ USB_DEVICE_WACOM(0x323) },
5054  	{ USB_DEVICE_WACOM(0x325) },
5055  	{ USB_DEVICE_WACOM(0x326) },
5056  	{ USB_DEVICE_WACOM(0x32A) },
5057  	{ USB_DEVICE_WACOM(0x32B) },
5058  	{ USB_DEVICE_WACOM(0x32C) },
5059  	{ USB_DEVICE_WACOM(0x32F) },
5060  	{ USB_DEVICE_WACOM(0x331) },
5061  	{ USB_DEVICE_WACOM(0x333) },
5062  	{ USB_DEVICE_WACOM(0x335) },
5063  	{ USB_DEVICE_WACOM(0x336) },
5064  	{ USB_DEVICE_WACOM(0x33B) },
5065  	{ USB_DEVICE_WACOM(0x33C) },
5066  	{ USB_DEVICE_WACOM(0x33D) },
5067  	{ USB_DEVICE_WACOM(0x33E) },
5068  	{ USB_DEVICE_WACOM(0x343) },
5069  	{ BT_DEVICE_WACOM(0x360) },
5070  	{ BT_DEVICE_WACOM(0x361) },
5071  	{ BT_DEVICE_WACOM(0x377) },
5072  	{ BT_DEVICE_WACOM(0x379) },
5073  	{ USB_DEVICE_WACOM(0x37A) },
5074  	{ USB_DEVICE_WACOM(0x37B) },
5075  	{ BT_DEVICE_WACOM(0x393) },
5076  	{ BT_DEVICE_WACOM(0x3c6) },
5077  	{ BT_DEVICE_WACOM(0x3c8) },
5078  	{ BT_DEVICE_WACOM(0x3dd) },
5079  	{ USB_DEVICE_WACOM(0x4001) },
5080  	{ USB_DEVICE_WACOM(0x4004) },
5081  	{ USB_DEVICE_WACOM(0x5000) },
5082  	{ USB_DEVICE_WACOM(0x5002) },
5083  	{ USB_DEVICE_LENOVO(0x6004) },
5084  
5085  	{ USB_DEVICE_WACOM(HID_ANY_ID) },
5086  	{ I2C_DEVICE_WACOM(HID_ANY_ID) },
5087  	{ PCI_DEVICE_WACOM(HID_ANY_ID) },
5088  	{ BT_DEVICE_WACOM(HID_ANY_ID) },
5089  	{ }
5090  };
5091  MODULE_DEVICE_TABLE(hid, wacom_ids);
5092