Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
[muen/linux.git] / drivers / input / rmi4 / rmi_f11.c
1 /*
2  * Copyright (c) 2011-2015 Synaptics Incorporated
3  * Copyright (c) 2011 Unixphere
4  *
5  * This program is free software; you can redistribute it and/or modify it
6  * under the terms of the GNU General Public License version 2 as published by
7  * the Free Software Foundation.
8  */
9
10 #include <linux/kernel.h>
11 #include <linux/delay.h>
12 #include <linux/device.h>
13 #include <linux/input.h>
14 #include <linux/input/mt.h>
15 #include <linux/rmi.h>
16 #include <linux/slab.h>
17 #include <linux/of.h>
18 #include "rmi_driver.h"
19 #include "rmi_2d_sensor.h"
20
21 #define F11_MAX_NUM_OF_FINGERS          10
22 #define F11_MAX_NUM_OF_TOUCH_SHAPES     16
23
24 #define FINGER_STATE_MASK       0x03
25
26 #define F11_CTRL_SENSOR_MAX_X_POS_OFFSET        6
27 #define F11_CTRL_SENSOR_MAX_Y_POS_OFFSET        8
28
29 #define DEFAULT_XY_MAX 9999
30 #define DEFAULT_MAX_ABS_MT_PRESSURE 255
31 #define DEFAULT_MAX_ABS_MT_TOUCH 15
32 #define DEFAULT_MAX_ABS_MT_ORIENTATION 1
33 #define DEFAULT_MIN_ABS_MT_TRACKING_ID 1
34 #define DEFAULT_MAX_ABS_MT_TRACKING_ID 10
35
36 /** A note about RMI4 F11 register structure.
37  *
38  * The properties for
39  * a given sensor are described by its query registers.  The number of query
40  * registers and the layout of their contents are described by the F11 device
41  * queries as well as the sensor query information.
42  *
43  * Similarly, each sensor has control registers that govern its behavior.  The
44  * size and layout of the control registers for a given sensor can be determined
45  * by parsing that sensors query registers.
46  *
47  * And in a likewise fashion, each sensor has data registers where it reports
48  * its touch data and other interesting stuff.  The size and layout of a
49  * sensors data registers must be determined by parsing its query registers.
50  *
51  * The short story is that we need to read and parse a lot of query
52  * registers in order to determine the attributes of a sensor. Then
53  * we need to use that data to compute the size of the control and data
54  * registers for sensor.
55  *
56  * The end result is that we have a number of structs that aren't used to
57  * directly generate the input events, but their size, location and contents
58  * are critical to determining where the data we are interested in lives.
59  *
60  * At this time, the driver does not yet comprehend all possible F11
61  * configuration options, but it should be sufficient to cover 99% of RMI4 F11
62  * devices currently in the field.
63  */
64
65 /* maximum ABS_MT_POSITION displacement (in mm) */
66 #define DMAX 10
67
68 /**
69  * @rezero - writing this to the F11 command register will cause the sensor to
70  * calibrate to the current capacitive state.
71  */
72 #define RMI_F11_REZERO  0x01
73
74 #define RMI_F11_HAS_QUERY9              (1 << 3)
75 #define RMI_F11_HAS_QUERY11             (1 << 4)
76 #define RMI_F11_HAS_QUERY12             (1 << 5)
77 #define RMI_F11_HAS_QUERY27             (1 << 6)
78 #define RMI_F11_HAS_QUERY28             (1 << 7)
79
80 /** Defs for Query 1 */
81
82 #define RMI_F11_NR_FINGERS_MASK 0x07
83 #define RMI_F11_HAS_REL                 (1 << 3)
84 #define RMI_F11_HAS_ABS                 (1 << 4)
85 #define RMI_F11_HAS_GESTURES            (1 << 5)
86 #define RMI_F11_HAS_SENSITIVITY_ADJ     (1 << 6)
87 #define RMI_F11_CONFIGURABLE            (1 << 7)
88
89 /** Defs for Query 2, 3, and 4. */
90 #define RMI_F11_NR_ELECTRODES_MASK      0x7F
91
92 /** Defs for Query 5 */
93
94 #define RMI_F11_ABS_DATA_SIZE_MASK      0x03
95 #define RMI_F11_HAS_ANCHORED_FINGER     (1 << 2)
96 #define RMI_F11_HAS_ADJ_HYST            (1 << 3)
97 #define RMI_F11_HAS_DRIBBLE             (1 << 4)
98 #define RMI_F11_HAS_BENDING_CORRECTION  (1 << 5)
99 #define RMI_F11_HAS_LARGE_OBJECT_SUPPRESSION    (1 << 6)
100 #define RMI_F11_HAS_JITTER_FILTER       (1 << 7)
101
102 /** Defs for Query 7 */
103 #define RMI_F11_HAS_SINGLE_TAP                  (1 << 0)
104 #define RMI_F11_HAS_TAP_AND_HOLD                (1 << 1)
105 #define RMI_F11_HAS_DOUBLE_TAP                  (1 << 2)
106 #define RMI_F11_HAS_EARLY_TAP                   (1 << 3)
107 #define RMI_F11_HAS_FLICK                       (1 << 4)
108 #define RMI_F11_HAS_PRESS                       (1 << 5)
109 #define RMI_F11_HAS_PINCH                       (1 << 6)
110 #define RMI_F11_HAS_CHIRAL                      (1 << 7)
111
112 /** Defs for Query 8 */
113 #define RMI_F11_HAS_PALM_DET                    (1 << 0)
114 #define RMI_F11_HAS_ROTATE                      (1 << 1)
115 #define RMI_F11_HAS_TOUCH_SHAPES                (1 << 2)
116 #define RMI_F11_HAS_SCROLL_ZONES                (1 << 3)
117 #define RMI_F11_HAS_INDIVIDUAL_SCROLL_ZONES     (1 << 4)
118 #define RMI_F11_HAS_MF_SCROLL                   (1 << 5)
119 #define RMI_F11_HAS_MF_EDGE_MOTION              (1 << 6)
120 #define RMI_F11_HAS_MF_SCROLL_INERTIA           (1 << 7)
121
122 /** Defs for Query 9. */
123 #define RMI_F11_HAS_PEN                         (1 << 0)
124 #define RMI_F11_HAS_PROXIMITY                   (1 << 1)
125 #define RMI_F11_HAS_PALM_DET_SENSITIVITY        (1 << 2)
126 #define RMI_F11_HAS_SUPPRESS_ON_PALM_DETECT     (1 << 3)
127 #define RMI_F11_HAS_TWO_PEN_THRESHOLDS          (1 << 4)
128 #define RMI_F11_HAS_CONTACT_GEOMETRY            (1 << 5)
129 #define RMI_F11_HAS_PEN_HOVER_DISCRIMINATION    (1 << 6)
130 #define RMI_F11_HAS_PEN_FILTERS                 (1 << 7)
131
132 /** Defs for Query 10. */
133 #define RMI_F11_NR_TOUCH_SHAPES_MASK            0x1F
134
135 /** Defs for Query 11 */
136
137 #define RMI_F11_HAS_Z_TUNING                    (1 << 0)
138 #define RMI_F11_HAS_ALGORITHM_SELECTION         (1 << 1)
139 #define RMI_F11_HAS_W_TUNING                    (1 << 2)
140 #define RMI_F11_HAS_PITCH_INFO                  (1 << 3)
141 #define RMI_F11_HAS_FINGER_SIZE                 (1 << 4)
142 #define RMI_F11_HAS_SEGMENTATION_AGGRESSIVENESS (1 << 5)
143 #define RMI_F11_HAS_XY_CLIP                     (1 << 6)
144 #define RMI_F11_HAS_DRUMMING_FILTER             (1 << 7)
145
146 /** Defs for Query 12. */
147
148 #define RMI_F11_HAS_GAPLESS_FINGER              (1 << 0)
149 #define RMI_F11_HAS_GAPLESS_FINGER_TUNING       (1 << 1)
150 #define RMI_F11_HAS_8BIT_W                      (1 << 2)
151 #define RMI_F11_HAS_ADJUSTABLE_MAPPING          (1 << 3)
152 #define RMI_F11_HAS_INFO2                       (1 << 4)
153 #define RMI_F11_HAS_PHYSICAL_PROPS              (1 << 5)
154 #define RMI_F11_HAS_FINGER_LIMIT                (1 << 6)
155 #define RMI_F11_HAS_LINEAR_COEFF                (1 << 7)
156
157 /** Defs for Query 13. */
158
159 #define RMI_F11_JITTER_WINDOW_MASK              0x1F
160 #define RMI_F11_JITTER_FILTER_MASK              0x60
161 #define RMI_F11_JITTER_FILTER_SHIFT             5
162
163 /** Defs for Query 14. */
164 #define RMI_F11_LIGHT_CONTROL_MASK              0x03
165 #define RMI_F11_IS_CLEAR                        (1 << 2)
166 #define RMI_F11_CLICKPAD_PROPS_MASK             0x18
167 #define RMI_F11_CLICKPAD_PROPS_SHIFT            3
168 #define RMI_F11_MOUSE_BUTTONS_MASK              0x60
169 #define RMI_F11_MOUSE_BUTTONS_SHIFT             5
170 #define RMI_F11_HAS_ADVANCED_GESTURES           (1 << 7)
171
172 #define RMI_F11_QUERY_SIZE                      4
173 #define RMI_F11_QUERY_GESTURE_SIZE              2
174
175 #define F11_LIGHT_CTL_NONE 0x00
176 #define F11_LUXPAD         0x01
177 #define F11_DUAL_MODE      0x02
178
179 #define F11_NOT_CLICKPAD     0x00
180 #define F11_HINGED_CLICKPAD  0x01
181 #define F11_UNIFORM_CLICKPAD 0x02
182
183 /**
184  * Query registers 1 through 4 are always present.
185  *
186  * @nr_fingers - describes the maximum number of fingers the 2-D sensor
187  * supports.
188  * @has_rel - the sensor supports relative motion reporting.
189  * @has_abs - the sensor supports absolute poition reporting.
190  * @has_gestures - the sensor supports gesture reporting.
191  * @has_sensitivity_adjust - the sensor supports a global sensitivity
192  * adjustment.
193  * @configurable - the sensor supports various configuration options.
194  * @num_of_x_electrodes -  the maximum number of electrodes the 2-D sensor
195  * supports on the X axis.
196  * @num_of_y_electrodes -  the maximum number of electrodes the 2-D sensor
197  * supports on the Y axis.
198  * @max_electrodes - the total number of X and Y electrodes that may be
199  * configured.
200  *
201  * Query 5 is present if the has_abs bit is set.
202  *
203  * @abs_data_size - describes the format of data reported by the absolute
204  * data source.  Only one format (the kind used here) is supported at this
205  * time.
206  * @has_anchored_finger - then the sensor supports the high-precision second
207  * finger tracking provided by the manual tracking and motion sensitivity
208  * options.
209  * @has_adjust_hyst - the difference between the finger release threshold and
210  * the touch threshold.
211  * @has_dribble - the sensor supports the generation of dribble interrupts,
212  * which may be enabled or disabled with the dribble control bit.
213  * @has_bending_correction - Bending related data registers 28 and 36, and
214  * control register 52..57 are present.
215  * @has_large_object_suppression - control register 58 and data register 28
216  * exist.
217  * @has_jitter_filter - query 13 and control 73..76 exist.
218  *
219  * Gesture information queries 7 and 8 are present if has_gestures bit is set.
220  *
221  * @has_single_tap - a basic single-tap gesture is supported.
222  * @has_tap_n_hold - tap-and-hold gesture is supported.
223  * @has_double_tap - double-tap gesture is supported.
224  * @has_early_tap - early tap is supported and reported as soon as the finger
225  * lifts for any tap event that could be interpreted as either a single tap
226  * or as the first tap of a double-tap or tap-and-hold gesture.
227  * @has_flick - flick detection is supported.
228  * @has_press - press gesture reporting is supported.
229  * @has_pinch - pinch gesture detection is supported.
230  * @has_palm_det - the 2-D sensor notifies the host whenever a large conductive
231  * object such as a palm or a cheek touches the 2-D sensor.
232  * @has_rotate - rotation gesture detection is supported.
233  * @has_touch_shapes - TouchShapes are supported.  A TouchShape is a fixed
234  * rectangular area on the sensor that behaves like a capacitive button.
235  * @has_scroll_zones - scrolling areas near the sensor edges are supported.
236  * @has_individual_scroll_zones - if 1, then 4 scroll zones are supported;
237  * if 0, then only two are supported.
238  * @has_mf_scroll - the multifinger_scrolling bit will be set when
239  * more than one finger is involved in a scrolling action.
240  *
241  * Convenience for checking bytes in the gesture info registers.  This is done
242  * often enough that we put it here to declutter the conditionals
243  *
244  * @query7_nonzero - true if none of the query 7 bits are set
245  * @query8_nonzero - true if none of the query 8 bits are set
246  *
247  * Query 9 is present if the has_query9 is set.
248  *
249  * @has_pen - detection of a stylus is supported and registers F11_2D_Ctrl20
250  * and F11_2D_Ctrl21 exist.
251  * @has_proximity - detection of fingers near the sensor is supported and
252  * registers F11_2D_Ctrl22 through F11_2D_Ctrl26 exist.
253  * @has_palm_det_sensitivity -  the sensor supports the palm detect sensitivity
254  * feature and register F11_2D_Ctrl27 exists.
255  * @has_two_pen_thresholds - is has_pen is also set, then F11_2D_Ctrl35 exists.
256  * @has_contact_geometry - the sensor supports the use of contact geometry to
257  * map absolute X and Y target positions and registers F11_2D_Data18
258  * through F11_2D_Data27 exist.
259  *
260  * Touch shape info (query 10) is present if has_touch_shapes is set.
261  *
262  * @nr_touch_shapes - the total number of touch shapes supported.
263  *
264  * Query 11 is present if the has_query11 bit is set in query 0.
265  *
266  * @has_z_tuning - if set, the sensor supports Z tuning and registers
267  * F11_2D_Ctrl29 through F11_2D_Ctrl33 exist.
268  * @has_algorithm_selection - controls choice of noise suppression algorithm
269  * @has_w_tuning - the sensor supports Wx and Wy scaling and registers
270  * F11_2D_Ctrl36 through F11_2D_Ctrl39 exist.
271  * @has_pitch_info - the X and Y pitches of the sensor electrodes can be
272  * configured and registers F11_2D_Ctrl40 and F11_2D_Ctrl41 exist.
273  * @has_finger_size -  the default finger width settings for the
274  * sensor can be configured and registers F11_2D_Ctrl42 through F11_2D_Ctrl44
275  * exist.
276  * @has_segmentation_aggressiveness - the sensor’s ability to distinguish
277  * multiple objects close together can be configured and register F11_2D_Ctrl45
278  * exists.
279  * @has_XY_clip -  the inactive outside borders of the sensor can be
280  * configured and registers F11_2D_Ctrl46 through F11_2D_Ctrl49 exist.
281  * @has_drumming_filter - the sensor can be configured to distinguish
282  * between a fast flick and a quick drumming movement and registers
283  * F11_2D_Ctrl50 and F11_2D_Ctrl51 exist.
284  *
285  * Query 12 is present if hasQuery12 bit is set.
286  *
287  * @has_gapless_finger - control registers relating to gapless finger are
288  * present.
289  * @has_gapless_finger_tuning - additional control and data registers relating
290  * to gapless finger are present.
291  * @has_8bit_w - larger W value reporting is supported.
292  * @has_adjustable_mapping - TBD
293  * @has_info2 - the general info query14 is present
294  * @has_physical_props - additional queries describing the physical properties
295  * of the sensor are present.
296  * @has_finger_limit - indicates that F11 Ctrl 80 exists.
297  * @has_linear_coeff - indicates that F11 Ctrl 81 exists.
298  *
299  * Query 13 is present if Query 5's has_jitter_filter bit is set.
300  * @jitter_window_size - used by Design Studio 4.
301  * @jitter_filter_type - used by Design Studio 4.
302  *
303  * Query 14 is present if query 12's has_general_info2 flag is set.
304  *
305  * @light_control - Indicates what light/led control features are present, if
306  * any.
307  * @is_clear - if set, this is a clear sensor (indicating direct pointing
308  * application), otherwise it's opaque (indicating indirect pointing).
309  * @clickpad_props - specifies if this is a clickpad, and if so what sort of
310  * mechanism it uses
311  * @mouse_buttons - specifies the number of mouse buttons present (if any).
312  * @has_advanced_gestures - advanced driver gestures are supported.
313  */
314 struct f11_2d_sensor_queries {
315         /* query1 */
316         u8 nr_fingers;
317         bool has_rel;
318         bool has_abs;
319         bool has_gestures;
320         bool has_sensitivity_adjust;
321         bool configurable;
322
323         /* query2 */
324         u8 nr_x_electrodes;
325
326         /* query3 */
327         u8 nr_y_electrodes;
328
329         /* query4 */
330         u8 max_electrodes;
331
332         /* query5 */
333         u8 abs_data_size;
334         bool has_anchored_finger;
335         bool has_adj_hyst;
336         bool has_dribble;
337         bool has_bending_correction;
338         bool has_large_object_suppression;
339         bool has_jitter_filter;
340
341         u8 f11_2d_query6;
342
343         /* query 7 */
344         bool has_single_tap;
345         bool has_tap_n_hold;
346         bool has_double_tap;
347         bool has_early_tap;
348         bool has_flick;
349         bool has_press;
350         bool has_pinch;
351         bool has_chiral;
352
353         bool query7_nonzero;
354
355         /* query 8 */
356         bool has_palm_det;
357         bool has_rotate;
358         bool has_touch_shapes;
359         bool has_scroll_zones;
360         bool has_individual_scroll_zones;
361         bool has_mf_scroll;
362         bool has_mf_edge_motion;
363         bool has_mf_scroll_inertia;
364
365         bool query8_nonzero;
366
367         /* Query 9 */
368         bool has_pen;
369         bool has_proximity;
370         bool has_palm_det_sensitivity;
371         bool has_suppress_on_palm_detect;
372         bool has_two_pen_thresholds;
373         bool has_contact_geometry;
374         bool has_pen_hover_discrimination;
375         bool has_pen_filters;
376
377         /* Query 10 */
378         u8 nr_touch_shapes;
379
380         /* Query 11. */
381         bool has_z_tuning;
382         bool has_algorithm_selection;
383         bool has_w_tuning;
384         bool has_pitch_info;
385         bool has_finger_size;
386         bool has_segmentation_aggressiveness;
387         bool has_XY_clip;
388         bool has_drumming_filter;
389
390         /* Query 12 */
391         bool has_gapless_finger;
392         bool has_gapless_finger_tuning;
393         bool has_8bit_w;
394         bool has_adjustable_mapping;
395         bool has_info2;
396         bool has_physical_props;
397         bool has_finger_limit;
398         bool has_linear_coeff_2;
399
400         /* Query 13 */
401         u8 jitter_window_size;
402         u8 jitter_filter_type;
403
404         /* Query 14 */
405         u8 light_control;
406         bool is_clear;
407         u8 clickpad_props;
408         u8 mouse_buttons;
409         bool has_advanced_gestures;
410
411         /* Query 15 - 18 */
412         u16 x_sensor_size_mm;
413         u16 y_sensor_size_mm;
414 };
415
416 /* Defs for Ctrl0. */
417 #define RMI_F11_REPORT_MODE_MASK        0x07
418 #define RMI_F11_ABS_POS_FILT            (1 << 3)
419 #define RMI_F11_REL_POS_FILT            (1 << 4)
420 #define RMI_F11_REL_BALLISTICS          (1 << 5)
421 #define RMI_F11_DRIBBLE                 (1 << 6)
422 #define RMI_F11_REPORT_BEYOND_CLIP      (1 << 7)
423
424 /* Defs for Ctrl1. */
425 #define RMI_F11_PALM_DETECT_THRESH_MASK 0x0F
426 #define RMI_F11_MOTION_SENSITIVITY_MASK 0x30
427 #define RMI_F11_MANUAL_TRACKING         (1 << 6)
428 #define RMI_F11_MANUAL_TRACKED_FINGER   (1 << 7)
429
430 #define RMI_F11_DELTA_X_THRESHOLD       2
431 #define RMI_F11_DELTA_Y_THRESHOLD       3
432
433 #define RMI_F11_CTRL_REG_COUNT          12
434
435 struct f11_2d_ctrl {
436         u8              ctrl0_11[RMI_F11_CTRL_REG_COUNT];
437         u16             ctrl0_11_address;
438 };
439
440 #define RMI_F11_ABS_BYTES 5
441 #define RMI_F11_REL_BYTES 2
442
443 /* Defs for Data 8 */
444
445 #define RMI_F11_SINGLE_TAP              (1 << 0)
446 #define RMI_F11_TAP_AND_HOLD            (1 << 1)
447 #define RMI_F11_DOUBLE_TAP              (1 << 2)
448 #define RMI_F11_EARLY_TAP               (1 << 3)
449 #define RMI_F11_FLICK                   (1 << 4)
450 #define RMI_F11_PRESS                   (1 << 5)
451 #define RMI_F11_PINCH                   (1 << 6)
452
453 /* Defs for Data 9 */
454
455 #define RMI_F11_PALM_DETECT                     (1 << 0)
456 #define RMI_F11_ROTATE                          (1 << 1)
457 #define RMI_F11_SHAPE                           (1 << 2)
458 #define RMI_F11_SCROLLZONE                      (1 << 3)
459 #define RMI_F11_GESTURE_FINGER_COUNT_MASK       0x70
460
461 /** Handy pointers into our data buffer.
462  *
463  * @f_state - start of finger state registers.
464  * @abs_pos - start of absolute position registers (if present).
465  * @rel_pos - start of relative data registers (if present).
466  * @gest_1  - gesture flags (if present).
467  * @gest_2  - gesture flags & finger count (if present).
468  * @pinch   - pinch motion register (if present).
469  * @flick   - flick distance X & Y, flick time (if present).
470  * @rotate  - rotate motion and finger separation.
471  * @multi_scroll - chiral deltas for X and Y (if present).
472  * @scroll_zones - scroll deltas for 4 regions (if present).
473  */
474 struct f11_2d_data {
475         u8      *f_state;
476         u8      *abs_pos;
477         s8      *rel_pos;
478         u8      *gest_1;
479         u8      *gest_2;
480         s8      *pinch;
481         u8      *flick;
482         u8      *rotate;
483         u8      *shapes;
484         s8      *multi_scroll;
485         s8      *scroll_zones;
486 };
487
488 /** Data pertaining to F11 in general.  For per-sensor data, see struct
489  * f11_2d_sensor.
490  *
491  * @dev_query - F11 device specific query registers.
492  * @dev_controls - F11 device specific control registers.
493  * @dev_controls_mutex - lock for the control registers.
494  * @rezero_wait_ms - if nonzero, upon resume we will wait this many
495  * milliseconds before rezeroing the sensor(s).  This is useful in systems with
496  * poor electrical behavior on resume, where the initial calibration of the
497  * sensor(s) coming out of sleep state may be bogus.
498  * @sensors - per sensor data structures.
499  */
500 struct f11_data {
501         bool has_query9;
502         bool has_query11;
503         bool has_query12;
504         bool has_query27;
505         bool has_query28;
506         bool has_acm;
507         struct f11_2d_ctrl dev_controls;
508         struct mutex dev_controls_mutex;
509         u16 rezero_wait_ms;
510         struct rmi_2d_sensor sensor;
511         struct f11_2d_sensor_queries sens_query;
512         struct f11_2d_data data;
513         struct rmi_2d_sensor_platform_data sensor_pdata;
514         unsigned long *abs_mask;
515         unsigned long *rel_mask;
516         unsigned long *result_bits;
517 };
518
519 enum f11_finger_state {
520         F11_NO_FINGER   = 0x00,
521         F11_PRESENT     = 0x01,
522         F11_INACCURATE  = 0x02,
523         F11_RESERVED    = 0x03
524 };
525
526 static void rmi_f11_rel_pos_report(struct f11_data *f11, u8 n_finger)
527 {
528         struct rmi_2d_sensor *sensor = &f11->sensor;
529         struct f11_2d_data *data = &f11->data;
530         s8 x, y;
531
532         x = data->rel_pos[n_finger * RMI_F11_REL_BYTES];
533         y = data->rel_pos[n_finger * RMI_F11_REL_BYTES + 1];
534
535         rmi_2d_sensor_rel_report(sensor, x, y);
536 }
537
538 static void rmi_f11_abs_pos_process(struct f11_data *f11,
539                                    struct rmi_2d_sensor *sensor,
540                                    struct rmi_2d_sensor_abs_object *obj,
541                                    enum f11_finger_state finger_state,
542                                    u8 n_finger)
543 {
544         struct f11_2d_data *data = &f11->data;
545         u8 *pos_data = &data->abs_pos[n_finger * RMI_F11_ABS_BYTES];
546         int tool_type = MT_TOOL_FINGER;
547
548         switch (finger_state) {
549         case F11_PRESENT:
550                 obj->type = RMI_2D_OBJECT_FINGER;
551                 break;
552         default:
553                 obj->type = RMI_2D_OBJECT_NONE;
554         }
555
556         obj->mt_tool = tool_type;
557         obj->x = (pos_data[0] << 4) | (pos_data[2] & 0x0F);
558         obj->y = (pos_data[1] << 4) | (pos_data[2] >> 4);
559         obj->z = pos_data[4];
560         obj->wx = pos_data[3] & 0x0f;
561         obj->wy = pos_data[3] >> 4;
562
563         rmi_2d_sensor_abs_process(sensor, obj, n_finger);
564 }
565
566 static inline u8 rmi_f11_parse_finger_state(const u8 *f_state, u8 n_finger)
567 {
568         return (f_state[n_finger / 4] >> (2 * (n_finger % 4))) &
569                                                         FINGER_STATE_MASK;
570 }
571
572 static void rmi_f11_finger_handler(struct f11_data *f11,
573                                    struct rmi_2d_sensor *sensor, int size)
574 {
575         const u8 *f_state = f11->data.f_state;
576         u8 finger_state;
577         u8 i;
578         int abs_fingers;
579         int rel_fingers;
580         int abs_size = sensor->nbr_fingers * RMI_F11_ABS_BYTES;
581
582         if (sensor->report_abs) {
583                 if (abs_size > size)
584                         abs_fingers = size / RMI_F11_ABS_BYTES;
585                 else
586                         abs_fingers = sensor->nbr_fingers;
587
588                 for (i = 0; i < abs_fingers; i++) {
589                         /* Possible of having 4 fingers per f_state register */
590                         finger_state = rmi_f11_parse_finger_state(f_state, i);
591                         if (finger_state == F11_RESERVED) {
592                                 pr_err("Invalid finger state[%d]: 0x%02x", i,
593                                         finger_state);
594                                 continue;
595                         }
596
597                         rmi_f11_abs_pos_process(f11, sensor, &sensor->objs[i],
598                                                         finger_state, i);
599                 }
600
601                 /*
602                  * the absolute part is made in 2 parts to allow the kernel
603                  * tracking to take place.
604                  */
605                 if (sensor->kernel_tracking)
606                         input_mt_assign_slots(sensor->input,
607                                               sensor->tracking_slots,
608                                               sensor->tracking_pos,
609                                               sensor->nbr_fingers,
610                                               sensor->dmax);
611
612                 for (i = 0; i < abs_fingers; i++) {
613                         finger_state = rmi_f11_parse_finger_state(f_state, i);
614                         if (finger_state == F11_RESERVED)
615                                 /* no need to send twice the error */
616                                 continue;
617
618                         rmi_2d_sensor_abs_report(sensor, &sensor->objs[i], i);
619                 }
620
621                 input_mt_sync_frame(sensor->input);
622         } else if (sensor->report_rel) {
623                 if ((abs_size + sensor->nbr_fingers * RMI_F11_REL_BYTES) > size)
624                         rel_fingers = (size - abs_size) / RMI_F11_REL_BYTES;
625                 else
626                         rel_fingers = sensor->nbr_fingers;
627
628                 for (i = 0; i < rel_fingers; i++)
629                         rmi_f11_rel_pos_report(f11, i);
630         }
631
632 }
633
634 static int f11_2d_construct_data(struct f11_data *f11)
635 {
636         struct rmi_2d_sensor *sensor = &f11->sensor;
637         struct f11_2d_sensor_queries *query = &f11->sens_query;
638         struct f11_2d_data *data = &f11->data;
639         int i;
640
641         sensor->nbr_fingers = (query->nr_fingers == 5 ? 10 :
642                                 query->nr_fingers + 1);
643
644         sensor->pkt_size = DIV_ROUND_UP(sensor->nbr_fingers, 4);
645
646         if (query->has_abs) {
647                 sensor->pkt_size += (sensor->nbr_fingers * 5);
648                 sensor->attn_size = sensor->pkt_size;
649         }
650
651         if (query->has_rel)
652                 sensor->pkt_size +=  (sensor->nbr_fingers * 2);
653
654         /* Check if F11_2D_Query7 is non-zero */
655         if (query->query7_nonzero)
656                 sensor->pkt_size += sizeof(u8);
657
658         /* Check if F11_2D_Query7 or F11_2D_Query8 is non-zero */
659         if (query->query7_nonzero || query->query8_nonzero)
660                 sensor->pkt_size += sizeof(u8);
661
662         if (query->has_pinch || query->has_flick || query->has_rotate) {
663                 sensor->pkt_size += 3;
664                 if (!query->has_flick)
665                         sensor->pkt_size--;
666                 if (!query->has_rotate)
667                         sensor->pkt_size--;
668         }
669
670         if (query->has_touch_shapes)
671                 sensor->pkt_size +=
672                         DIV_ROUND_UP(query->nr_touch_shapes + 1, 8);
673
674         sensor->data_pkt = devm_kzalloc(&sensor->fn->dev, sensor->pkt_size,
675                                         GFP_KERNEL);
676         if (!sensor->data_pkt)
677                 return -ENOMEM;
678
679         data->f_state = sensor->data_pkt;
680         i = DIV_ROUND_UP(sensor->nbr_fingers, 4);
681
682         if (query->has_abs) {
683                 data->abs_pos = &sensor->data_pkt[i];
684                 i += (sensor->nbr_fingers * RMI_F11_ABS_BYTES);
685         }
686
687         if (query->has_rel) {
688                 data->rel_pos = &sensor->data_pkt[i];
689                 i += (sensor->nbr_fingers * RMI_F11_REL_BYTES);
690         }
691
692         if (query->query7_nonzero) {
693                 data->gest_1 = &sensor->data_pkt[i];
694                 i++;
695         }
696
697         if (query->query7_nonzero || query->query8_nonzero) {
698                 data->gest_2 = &sensor->data_pkt[i];
699                 i++;
700         }
701
702         if (query->has_pinch) {
703                 data->pinch = &sensor->data_pkt[i];
704                 i++;
705         }
706
707         if (query->has_flick) {
708                 if (query->has_pinch) {
709                         data->flick = data->pinch;
710                         i += 2;
711                 } else {
712                         data->flick = &sensor->data_pkt[i];
713                         i += 3;
714                 }
715         }
716
717         if (query->has_rotate) {
718                 if (query->has_flick) {
719                         data->rotate = data->flick + 1;
720                 } else {
721                         data->rotate = &sensor->data_pkt[i];
722                         i += 2;
723                 }
724         }
725
726         if (query->has_touch_shapes)
727                 data->shapes = &sensor->data_pkt[i];
728
729         return 0;
730 }
731
732 static int f11_read_control_regs(struct rmi_function *fn,
733                                 struct f11_2d_ctrl *ctrl, u16 ctrl_base_addr) {
734         struct rmi_device *rmi_dev = fn->rmi_dev;
735         int error = 0;
736
737         ctrl->ctrl0_11_address = ctrl_base_addr;
738         error = rmi_read_block(rmi_dev, ctrl_base_addr, ctrl->ctrl0_11,
739                                 RMI_F11_CTRL_REG_COUNT);
740         if (error < 0) {
741                 dev_err(&fn->dev, "Failed to read ctrl0, code: %d.\n", error);
742                 return error;
743         }
744
745         return 0;
746 }
747
748 static int f11_write_control_regs(struct rmi_function *fn,
749                                         struct f11_2d_sensor_queries *query,
750                                         struct f11_2d_ctrl *ctrl,
751                                         u16 ctrl_base_addr)
752 {
753         struct rmi_device *rmi_dev = fn->rmi_dev;
754         int error;
755
756         error = rmi_write_block(rmi_dev, ctrl_base_addr, ctrl->ctrl0_11,
757                                 RMI_F11_CTRL_REG_COUNT);
758         if (error < 0)
759                 return error;
760
761         return 0;
762 }
763
764 static int rmi_f11_get_query_parameters(struct rmi_device *rmi_dev,
765                         struct f11_data *f11,
766                         struct f11_2d_sensor_queries *sensor_query,
767                         u16 query_base_addr)
768 {
769         int query_size;
770         int rc;
771         u8 query_buf[RMI_F11_QUERY_SIZE];
772         bool has_query36 = false;
773
774         rc = rmi_read_block(rmi_dev, query_base_addr, query_buf,
775                                 RMI_F11_QUERY_SIZE);
776         if (rc < 0)
777                 return rc;
778
779         sensor_query->nr_fingers = query_buf[0] & RMI_F11_NR_FINGERS_MASK;
780         sensor_query->has_rel = !!(query_buf[0] & RMI_F11_HAS_REL);
781         sensor_query->has_abs = !!(query_buf[0] & RMI_F11_HAS_ABS);
782         sensor_query->has_gestures = !!(query_buf[0] & RMI_F11_HAS_GESTURES);
783         sensor_query->has_sensitivity_adjust =
784                 !!(query_buf[0] & RMI_F11_HAS_SENSITIVITY_ADJ);
785         sensor_query->configurable = !!(query_buf[0] & RMI_F11_CONFIGURABLE);
786
787         sensor_query->nr_x_electrodes =
788                                 query_buf[1] & RMI_F11_NR_ELECTRODES_MASK;
789         sensor_query->nr_y_electrodes =
790                                 query_buf[2] & RMI_F11_NR_ELECTRODES_MASK;
791         sensor_query->max_electrodes =
792                                 query_buf[3] & RMI_F11_NR_ELECTRODES_MASK;
793
794         query_size = RMI_F11_QUERY_SIZE;
795
796         if (sensor_query->has_abs) {
797                 rc = rmi_read(rmi_dev, query_base_addr + query_size, query_buf);
798                 if (rc < 0)
799                         return rc;
800
801                 sensor_query->abs_data_size =
802                         query_buf[0] & RMI_F11_ABS_DATA_SIZE_MASK;
803                 sensor_query->has_anchored_finger =
804                         !!(query_buf[0] & RMI_F11_HAS_ANCHORED_FINGER);
805                 sensor_query->has_adj_hyst =
806                         !!(query_buf[0] & RMI_F11_HAS_ADJ_HYST);
807                 sensor_query->has_dribble =
808                         !!(query_buf[0] & RMI_F11_HAS_DRIBBLE);
809                 sensor_query->has_bending_correction =
810                         !!(query_buf[0] & RMI_F11_HAS_BENDING_CORRECTION);
811                 sensor_query->has_large_object_suppression =
812                         !!(query_buf[0] & RMI_F11_HAS_LARGE_OBJECT_SUPPRESSION);
813                 sensor_query->has_jitter_filter =
814                         !!(query_buf[0] & RMI_F11_HAS_JITTER_FILTER);
815                 query_size++;
816         }
817
818         if (sensor_query->has_rel) {
819                 rc = rmi_read(rmi_dev, query_base_addr + query_size,
820                                         &sensor_query->f11_2d_query6);
821                 if (rc < 0)
822                         return rc;
823                 query_size++;
824         }
825
826         if (sensor_query->has_gestures) {
827                 rc = rmi_read_block(rmi_dev, query_base_addr + query_size,
828                                         query_buf, RMI_F11_QUERY_GESTURE_SIZE);
829                 if (rc < 0)
830                         return rc;
831
832                 sensor_query->has_single_tap =
833                         !!(query_buf[0] & RMI_F11_HAS_SINGLE_TAP);
834                 sensor_query->has_tap_n_hold =
835                         !!(query_buf[0] & RMI_F11_HAS_TAP_AND_HOLD);
836                 sensor_query->has_double_tap =
837                         !!(query_buf[0] & RMI_F11_HAS_DOUBLE_TAP);
838                 sensor_query->has_early_tap =
839                         !!(query_buf[0] & RMI_F11_HAS_EARLY_TAP);
840                 sensor_query->has_flick =
841                         !!(query_buf[0] & RMI_F11_HAS_FLICK);
842                 sensor_query->has_press =
843                         !!(query_buf[0] & RMI_F11_HAS_PRESS);
844                 sensor_query->has_pinch =
845                         !!(query_buf[0] & RMI_F11_HAS_PINCH);
846                 sensor_query->has_chiral =
847                         !!(query_buf[0] & RMI_F11_HAS_CHIRAL);
848
849                 /* query 8 */
850                 sensor_query->has_palm_det =
851                         !!(query_buf[1] & RMI_F11_HAS_PALM_DET);
852                 sensor_query->has_rotate =
853                         !!(query_buf[1] & RMI_F11_HAS_ROTATE);
854                 sensor_query->has_touch_shapes =
855                         !!(query_buf[1] & RMI_F11_HAS_TOUCH_SHAPES);
856                 sensor_query->has_scroll_zones =
857                         !!(query_buf[1] & RMI_F11_HAS_SCROLL_ZONES);
858                 sensor_query->has_individual_scroll_zones =
859                         !!(query_buf[1] & RMI_F11_HAS_INDIVIDUAL_SCROLL_ZONES);
860                 sensor_query->has_mf_scroll =
861                         !!(query_buf[1] & RMI_F11_HAS_MF_SCROLL);
862                 sensor_query->has_mf_edge_motion =
863                         !!(query_buf[1] & RMI_F11_HAS_MF_EDGE_MOTION);
864                 sensor_query->has_mf_scroll_inertia =
865                         !!(query_buf[1] & RMI_F11_HAS_MF_SCROLL_INERTIA);
866
867                 sensor_query->query7_nonzero = !!(query_buf[0]);
868                 sensor_query->query8_nonzero = !!(query_buf[1]);
869
870                 query_size += 2;
871         }
872
873         if (f11->has_query9) {
874                 rc = rmi_read(rmi_dev, query_base_addr + query_size, query_buf);
875                 if (rc < 0)
876                         return rc;
877
878                 sensor_query->has_pen =
879                         !!(query_buf[0] & RMI_F11_HAS_PEN);
880                 sensor_query->has_proximity =
881                         !!(query_buf[0] & RMI_F11_HAS_PROXIMITY);
882                 sensor_query->has_palm_det_sensitivity =
883                         !!(query_buf[0] & RMI_F11_HAS_PALM_DET_SENSITIVITY);
884                 sensor_query->has_suppress_on_palm_detect =
885                         !!(query_buf[0] & RMI_F11_HAS_SUPPRESS_ON_PALM_DETECT);
886                 sensor_query->has_two_pen_thresholds =
887                         !!(query_buf[0] & RMI_F11_HAS_TWO_PEN_THRESHOLDS);
888                 sensor_query->has_contact_geometry =
889                         !!(query_buf[0] & RMI_F11_HAS_CONTACT_GEOMETRY);
890                 sensor_query->has_pen_hover_discrimination =
891                         !!(query_buf[0] & RMI_F11_HAS_PEN_HOVER_DISCRIMINATION);
892                 sensor_query->has_pen_filters =
893                         !!(query_buf[0] & RMI_F11_HAS_PEN_FILTERS);
894
895                 query_size++;
896         }
897
898         if (sensor_query->has_touch_shapes) {
899                 rc = rmi_read(rmi_dev, query_base_addr + query_size, query_buf);
900                 if (rc < 0)
901                         return rc;
902
903                 sensor_query->nr_touch_shapes = query_buf[0] &
904                                 RMI_F11_NR_TOUCH_SHAPES_MASK;
905
906                 query_size++;
907         }
908
909         if (f11->has_query11) {
910                 rc = rmi_read(rmi_dev, query_base_addr + query_size, query_buf);
911                 if (rc < 0)
912                         return rc;
913
914                 sensor_query->has_z_tuning =
915                         !!(query_buf[0] & RMI_F11_HAS_Z_TUNING);
916                 sensor_query->has_algorithm_selection =
917                         !!(query_buf[0] & RMI_F11_HAS_ALGORITHM_SELECTION);
918                 sensor_query->has_w_tuning =
919                         !!(query_buf[0] & RMI_F11_HAS_W_TUNING);
920                 sensor_query->has_pitch_info =
921                         !!(query_buf[0] & RMI_F11_HAS_PITCH_INFO);
922                 sensor_query->has_finger_size =
923                         !!(query_buf[0] & RMI_F11_HAS_FINGER_SIZE);
924                 sensor_query->has_segmentation_aggressiveness =
925                         !!(query_buf[0] &
926                                 RMI_F11_HAS_SEGMENTATION_AGGRESSIVENESS);
927                 sensor_query->has_XY_clip =
928                         !!(query_buf[0] & RMI_F11_HAS_XY_CLIP);
929                 sensor_query->has_drumming_filter =
930                         !!(query_buf[0] & RMI_F11_HAS_DRUMMING_FILTER);
931
932                 query_size++;
933         }
934
935         if (f11->has_query12) {
936                 rc = rmi_read(rmi_dev, query_base_addr + query_size, query_buf);
937                 if (rc < 0)
938                         return rc;
939
940                 sensor_query->has_gapless_finger =
941                         !!(query_buf[0] & RMI_F11_HAS_GAPLESS_FINGER);
942                 sensor_query->has_gapless_finger_tuning =
943                         !!(query_buf[0] & RMI_F11_HAS_GAPLESS_FINGER_TUNING);
944                 sensor_query->has_8bit_w =
945                         !!(query_buf[0] & RMI_F11_HAS_8BIT_W);
946                 sensor_query->has_adjustable_mapping =
947                         !!(query_buf[0] & RMI_F11_HAS_ADJUSTABLE_MAPPING);
948                 sensor_query->has_info2 =
949                         !!(query_buf[0] & RMI_F11_HAS_INFO2);
950                 sensor_query->has_physical_props =
951                         !!(query_buf[0] & RMI_F11_HAS_PHYSICAL_PROPS);
952                 sensor_query->has_finger_limit =
953                         !!(query_buf[0] & RMI_F11_HAS_FINGER_LIMIT);
954                 sensor_query->has_linear_coeff_2 =
955                         !!(query_buf[0] & RMI_F11_HAS_LINEAR_COEFF);
956
957                 query_size++;
958         }
959
960         if (sensor_query->has_jitter_filter) {
961                 rc = rmi_read(rmi_dev, query_base_addr + query_size, query_buf);
962                 if (rc < 0)
963                         return rc;
964
965                 sensor_query->jitter_window_size = query_buf[0] &
966                         RMI_F11_JITTER_WINDOW_MASK;
967                 sensor_query->jitter_filter_type = (query_buf[0] &
968                         RMI_F11_JITTER_FILTER_MASK) >>
969                         RMI_F11_JITTER_FILTER_SHIFT;
970
971                 query_size++;
972         }
973
974         if (sensor_query->has_info2) {
975                 rc = rmi_read(rmi_dev, query_base_addr + query_size, query_buf);
976                 if (rc < 0)
977                         return rc;
978
979                 sensor_query->light_control =
980                         query_buf[0] & RMI_F11_LIGHT_CONTROL_MASK;
981                 sensor_query->is_clear =
982                         !!(query_buf[0] & RMI_F11_IS_CLEAR);
983                 sensor_query->clickpad_props =
984                         (query_buf[0] & RMI_F11_CLICKPAD_PROPS_MASK) >>
985                         RMI_F11_CLICKPAD_PROPS_SHIFT;
986                 sensor_query->mouse_buttons =
987                         (query_buf[0] & RMI_F11_MOUSE_BUTTONS_MASK) >>
988                         RMI_F11_MOUSE_BUTTONS_SHIFT;
989                 sensor_query->has_advanced_gestures =
990                         !!(query_buf[0] & RMI_F11_HAS_ADVANCED_GESTURES);
991
992                 query_size++;
993         }
994
995         if (sensor_query->has_physical_props) {
996                 rc = rmi_read_block(rmi_dev, query_base_addr
997                         + query_size, query_buf, 4);
998                 if (rc < 0)
999                         return rc;
1000
1001                 sensor_query->x_sensor_size_mm =
1002                         (query_buf[0] | (query_buf[1] << 8)) / 10;
1003                 sensor_query->y_sensor_size_mm =
1004                         (query_buf[2] | (query_buf[3] << 8)) / 10;
1005
1006                 /*
1007                  * query 15 - 18 contain the size of the sensor
1008                  * and query 19 - 26 contain bezel dimensions
1009                  */
1010                 query_size += 12;
1011         }
1012
1013         if (f11->has_query27)
1014                 ++query_size;
1015
1016         if (f11->has_query28) {
1017                 rc = rmi_read(rmi_dev, query_base_addr + query_size,
1018                                 query_buf);
1019                 if (rc < 0)
1020                         return rc;
1021
1022                 has_query36 = !!(query_buf[0] & BIT(6));
1023         }
1024
1025         if (has_query36) {
1026                 query_size += 2;
1027                 rc = rmi_read(rmi_dev, query_base_addr + query_size,
1028                                 query_buf);
1029                 if (rc < 0)
1030                         return rc;
1031
1032                 if (!!(query_buf[0] & BIT(5)))
1033                         f11->has_acm = true;
1034         }
1035
1036         return query_size;
1037 }
1038
1039 static int rmi_f11_initialize(struct rmi_function *fn)
1040 {
1041         struct rmi_device *rmi_dev = fn->rmi_dev;
1042         struct f11_data *f11;
1043         struct f11_2d_ctrl *ctrl;
1044         u8 query_offset;
1045         u16 query_base_addr;
1046         u16 control_base_addr;
1047         u16 max_x_pos, max_y_pos;
1048         int rc;
1049         const struct rmi_device_platform_data *pdata =
1050                                 rmi_get_platform_data(rmi_dev);
1051         struct rmi_driver_data *drvdata = dev_get_drvdata(&rmi_dev->dev);
1052         struct rmi_2d_sensor *sensor;
1053         u8 buf;
1054         int mask_size;
1055
1056         rmi_dbg(RMI_DEBUG_FN, &fn->dev, "Initializing F11 values.\n");
1057
1058         mask_size = BITS_TO_LONGS(drvdata->irq_count) * sizeof(unsigned long);
1059
1060         /*
1061         ** init instance data, fill in values and create any sysfs files
1062         */
1063         f11 = devm_kzalloc(&fn->dev, sizeof(struct f11_data) + mask_size * 3,
1064                         GFP_KERNEL);
1065         if (!f11)
1066                 return -ENOMEM;
1067
1068         if (fn->dev.of_node) {
1069                 rc = rmi_2d_sensor_of_probe(&fn->dev, &f11->sensor_pdata);
1070                 if (rc)
1071                         return rc;
1072         } else {
1073                 f11->sensor_pdata = pdata->sensor_pdata;
1074         }
1075
1076         f11->rezero_wait_ms = f11->sensor_pdata.rezero_wait;
1077
1078         f11->abs_mask = (unsigned long *)((char *)f11
1079                         + sizeof(struct f11_data));
1080         f11->rel_mask = (unsigned long *)((char *)f11
1081                         + sizeof(struct f11_data) + mask_size);
1082         f11->result_bits = (unsigned long *)((char *)f11
1083                         + sizeof(struct f11_data) + mask_size * 2);
1084
1085         set_bit(fn->irq_pos, f11->abs_mask);
1086         set_bit(fn->irq_pos + 1, f11->rel_mask);
1087
1088         query_base_addr = fn->fd.query_base_addr;
1089         control_base_addr = fn->fd.control_base_addr;
1090
1091         rc = rmi_read(rmi_dev, query_base_addr, &buf);
1092         if (rc < 0)
1093                 return rc;
1094
1095         f11->has_query9 = !!(buf & RMI_F11_HAS_QUERY9);
1096         f11->has_query11 = !!(buf & RMI_F11_HAS_QUERY11);
1097         f11->has_query12 = !!(buf & RMI_F11_HAS_QUERY12);
1098         f11->has_query27 = !!(buf & RMI_F11_HAS_QUERY27);
1099         f11->has_query28 = !!(buf & RMI_F11_HAS_QUERY28);
1100
1101         query_offset = (query_base_addr + 1);
1102         sensor = &f11->sensor;
1103         sensor->fn = fn;
1104
1105         rc = rmi_f11_get_query_parameters(rmi_dev, f11,
1106                         &f11->sens_query, query_offset);
1107         if (rc < 0)
1108                 return rc;
1109         query_offset += rc;
1110
1111         rc = f11_read_control_regs(fn, &f11->dev_controls,
1112                         control_base_addr);
1113         if (rc < 0) {
1114                 dev_err(&fn->dev,
1115                         "Failed to read F11 control params.\n");
1116                 return rc;
1117         }
1118
1119         if (f11->sens_query.has_info2) {
1120                 if (f11->sens_query.is_clear)
1121                         f11->sensor.sensor_type = rmi_sensor_touchscreen;
1122                 else
1123                         f11->sensor.sensor_type = rmi_sensor_touchpad;
1124         }
1125
1126         sensor->report_abs = f11->sens_query.has_abs;
1127
1128         sensor->axis_align =
1129                 f11->sensor_pdata.axis_align;
1130
1131         sensor->topbuttonpad = f11->sensor_pdata.topbuttonpad;
1132         sensor->kernel_tracking = f11->sensor_pdata.kernel_tracking;
1133         sensor->dmax = f11->sensor_pdata.dmax;
1134         sensor->dribble = f11->sensor_pdata.dribble;
1135         sensor->palm_detect = f11->sensor_pdata.palm_detect;
1136
1137         if (f11->sens_query.has_physical_props) {
1138                 sensor->x_mm = f11->sens_query.x_sensor_size_mm;
1139                 sensor->y_mm = f11->sens_query.y_sensor_size_mm;
1140         } else {
1141                 sensor->x_mm = f11->sensor_pdata.x_mm;
1142                 sensor->y_mm = f11->sensor_pdata.y_mm;
1143         }
1144
1145         if (sensor->sensor_type == rmi_sensor_default)
1146                 sensor->sensor_type =
1147                         f11->sensor_pdata.sensor_type;
1148
1149         sensor->report_abs = sensor->report_abs
1150                 && !(f11->sensor_pdata.disable_report_mask
1151                         & RMI_F11_DISABLE_ABS_REPORT);
1152
1153         if (!sensor->report_abs)
1154                 /*
1155                  * If device doesn't have abs or if it has been disables
1156                  * fallback to reporting rel data.
1157                  */
1158                 sensor->report_rel = f11->sens_query.has_rel;
1159
1160         rc = rmi_read_block(rmi_dev,
1161                 control_base_addr + F11_CTRL_SENSOR_MAX_X_POS_OFFSET,
1162                 (u8 *)&max_x_pos, sizeof(max_x_pos));
1163         if (rc < 0)
1164                 return rc;
1165
1166         rc = rmi_read_block(rmi_dev,
1167                 control_base_addr + F11_CTRL_SENSOR_MAX_Y_POS_OFFSET,
1168                 (u8 *)&max_y_pos, sizeof(max_y_pos));
1169         if (rc < 0)
1170                 return rc;
1171
1172         sensor->max_x = max_x_pos;
1173         sensor->max_y = max_y_pos;
1174
1175         rc = f11_2d_construct_data(f11);
1176         if (rc < 0)
1177                 return rc;
1178
1179         if (f11->has_acm)
1180                 f11->sensor.attn_size += f11->sensor.nbr_fingers * 2;
1181
1182         /* allocate the in-kernel tracking buffers */
1183         sensor->tracking_pos = devm_kcalloc(&fn->dev,
1184                         sensor->nbr_fingers, sizeof(struct input_mt_pos),
1185                         GFP_KERNEL);
1186         sensor->tracking_slots = devm_kcalloc(&fn->dev,
1187                         sensor->nbr_fingers, sizeof(int), GFP_KERNEL);
1188         sensor->objs = devm_kcalloc(&fn->dev,
1189                         sensor->nbr_fingers,
1190                         sizeof(struct rmi_2d_sensor_abs_object),
1191                         GFP_KERNEL);
1192         if (!sensor->tracking_pos || !sensor->tracking_slots || !sensor->objs)
1193                 return -ENOMEM;
1194
1195         ctrl = &f11->dev_controls;
1196         if (sensor->axis_align.delta_x_threshold)
1197                 ctrl->ctrl0_11[RMI_F11_DELTA_X_THRESHOLD] =
1198                         sensor->axis_align.delta_x_threshold;
1199
1200         if (sensor->axis_align.delta_y_threshold)
1201                 ctrl->ctrl0_11[RMI_F11_DELTA_Y_THRESHOLD] =
1202                         sensor->axis_align.delta_y_threshold;
1203
1204         if (f11->sens_query.has_dribble) {
1205                 switch (sensor->dribble) {
1206                 case RMI_REG_STATE_OFF:
1207                         ctrl->ctrl0_11[0] &= ~BIT(6);
1208                         break;
1209                 case RMI_REG_STATE_ON:
1210                         ctrl->ctrl0_11[0] |= BIT(6);
1211                         break;
1212                 case RMI_REG_STATE_DEFAULT:
1213                 default:
1214                         break;
1215                 }
1216         }
1217
1218         if (f11->sens_query.has_palm_det) {
1219                 switch (sensor->palm_detect) {
1220                 case RMI_REG_STATE_OFF:
1221                         ctrl->ctrl0_11[11] &= ~BIT(0);
1222                         break;
1223                 case RMI_REG_STATE_ON:
1224                         ctrl->ctrl0_11[11] |= BIT(0);
1225                         break;
1226                 case RMI_REG_STATE_DEFAULT:
1227                 default:
1228                         break;
1229                 }
1230         }
1231
1232         rc = f11_write_control_regs(fn, &f11->sens_query,
1233                            &f11->dev_controls, fn->fd.query_base_addr);
1234         if (rc)
1235                 dev_warn(&fn->dev, "Failed to write control registers\n");
1236
1237         mutex_init(&f11->dev_controls_mutex);
1238
1239         dev_set_drvdata(&fn->dev, f11);
1240
1241         return 0;
1242 }
1243
1244 static int rmi_f11_config(struct rmi_function *fn)
1245 {
1246         struct f11_data *f11 = dev_get_drvdata(&fn->dev);
1247         struct rmi_driver *drv = fn->rmi_dev->driver;
1248         struct rmi_2d_sensor *sensor = &f11->sensor;
1249         int rc;
1250
1251         if (!sensor->report_abs)
1252                 drv->clear_irq_bits(fn->rmi_dev, f11->abs_mask);
1253         else
1254                 drv->set_irq_bits(fn->rmi_dev, f11->abs_mask);
1255
1256         if (!sensor->report_rel)
1257                 drv->clear_irq_bits(fn->rmi_dev, f11->rel_mask);
1258         else
1259                 drv->set_irq_bits(fn->rmi_dev, f11->rel_mask);
1260
1261         rc = f11_write_control_regs(fn, &f11->sens_query,
1262                            &f11->dev_controls, fn->fd.query_base_addr);
1263         if (rc < 0)
1264                 return rc;
1265
1266         return 0;
1267 }
1268
1269 static irqreturn_t rmi_f11_attention(int irq, void *ctx)
1270 {
1271         struct rmi_function *fn = ctx;
1272         struct rmi_device *rmi_dev = fn->rmi_dev;
1273         struct rmi_driver_data *drvdata = dev_get_drvdata(&rmi_dev->dev);
1274         struct f11_data *f11 = dev_get_drvdata(&fn->dev);
1275         u16 data_base_addr = fn->fd.data_base_addr;
1276         int error;
1277         int valid_bytes = f11->sensor.pkt_size;
1278
1279         if (drvdata->attn_data.data) {
1280                 /*
1281                  * The valid data in the attention report is less then
1282                  * expected. Only process the complete fingers.
1283                  */
1284                 if (f11->sensor.attn_size > drvdata->attn_data.size)
1285                         valid_bytes = drvdata->attn_data.size;
1286                 else
1287                         valid_bytes = f11->sensor.attn_size;
1288                 memcpy(f11->sensor.data_pkt, drvdata->attn_data.data,
1289                         valid_bytes);
1290                 drvdata->attn_data.data += f11->sensor.attn_size;
1291                 drvdata->attn_data.size -= f11->sensor.attn_size;
1292         } else {
1293                 error = rmi_read_block(rmi_dev,
1294                                 data_base_addr, f11->sensor.data_pkt,
1295                                 f11->sensor.pkt_size);
1296                 if (error < 0)
1297                         return IRQ_RETVAL(error);
1298         }
1299
1300         rmi_f11_finger_handler(f11, &f11->sensor, valid_bytes);
1301
1302         return IRQ_HANDLED;
1303 }
1304
1305 static int rmi_f11_resume(struct rmi_function *fn)
1306 {
1307         struct f11_data *f11 = dev_get_drvdata(&fn->dev);
1308         int error;
1309
1310         rmi_dbg(RMI_DEBUG_FN, &fn->dev, "Resuming...\n");
1311         if (!f11->rezero_wait_ms)
1312                 return 0;
1313
1314         mdelay(f11->rezero_wait_ms);
1315
1316         error = rmi_write(fn->rmi_dev, fn->fd.command_base_addr,
1317                                 RMI_F11_REZERO);
1318         if (error) {
1319                 dev_err(&fn->dev,
1320                         "%s: failed to issue rezero command, error = %d.",
1321                         __func__, error);
1322                 return error;
1323         }
1324
1325         return 0;
1326 }
1327
1328 static int rmi_f11_probe(struct rmi_function *fn)
1329 {
1330         int error;
1331         struct f11_data *f11;
1332
1333         error = rmi_f11_initialize(fn);
1334         if (error)
1335                 return error;
1336
1337         f11 = dev_get_drvdata(&fn->dev);
1338         error = rmi_2d_sensor_configure_input(fn, &f11->sensor);
1339         if (error)
1340                 return error;
1341
1342         return 0;
1343 }
1344
1345 struct rmi_function_handler rmi_f11_handler = {
1346         .driver = {
1347                 .name   = "rmi4_f11",
1348         },
1349         .func           = 0x11,
1350         .probe          = rmi_f11_probe,
1351         .config         = rmi_f11_config,
1352         .attention      = rmi_f11_attention,
1353         .resume         = rmi_f11_resume,
1354 };