36  * The properties for a given sensor are described by its query registers.  The
38  * the F11 device queries as well as the sensor query information.
40  * Similarly, each sensor has control registers that govern its behavior.  The
41  * size and layout of the control registers for a given sensor can be determined
44  * And in a likewise fashion, each sensor has data registers where it reports
49  * registers in order to determine the attributes of a sensor. Then
51  * registers for sensor.
66  * Writing this to the F11 command register will cause the sensor to
181  * struct f11_2d_sensor_queries - describes sensor capabilities
185  * @nr_fingers: describes the maximum number of fingers the 2-D sensor
187  * @has_rel: the sensor supports relative motion reporting.
188  * @has_abs: the sensor supports absolute poition reporting.
189  * @has_gestures: the sensor supports gesture reporting.
190  * @has_sensitivity_adjust: the sensor supports a global sensitivity
192  * @configurable: the sensor supports various configuration options.
193  * @nr_x_electrodes:  the maximum number of electrodes the 2-D sensor
195  * @nr_y_electrodes:  the maximum number of electrodes the 2-D sensor
205  * @has_anchored_finger: then the sensor supports the high-precision second
210  * @has_dribble: the sensor supports the generation of dribble interrupts,
234  * @has_palm_det: the 2-D sensor notifies the host whenever a large conductive
235  *	object such as a palm or a cheek touches the 2-D sensor.
238  *	rectangular area on the sensor that behaves like a capacitive button.
239  * @has_scroll_zones: scrolling areas near the sensor edges are supported.
259  * @has_proximity: detection of fingers near the sensor is supported and
261  * @has_palm_det_sensitivity:  the sensor supports the palm detect sensitivity
266  * @has_contact_geometry: the sensor supports the use of contact geometry to
281  * @has_z_tuning: if set, the sensor supports Z tuning and registers
284  * @has_w_tuning: the sensor supports Wx and Wy scaling and registers
286  * @has_pitch_info: the X and Y pitches of the sensor electrodes can be
288  * @has_finger_size: the default finger width settings for the sensor
291  * @has_segmentation_aggressiveness: the sensor’s ability to distinguish
294  * @has_XY_clip: the inactive outside borders of the sensor can be
296  * @has_drumming_filter: the sensor can be configured to distinguish
310  *	of the sensor are present.
323  * @is_clear: if set, this is a clear sensor (indicating direct pointing
330  * @x_sensor_size_mm: size of the sensor in millimeters on the X axis.
331  * @y_sensor_size_mm: size of the sensor in millimeters on the Y axis.
511 /** Data pertaining to F11 in general.  For per-sensor data, see struct
518  * milliseconds before rezeroing the sensor(s).  This is useful in systems with
520  * sensor(s) coming out of sleep state may be bogus.
521  * @sensors - per sensor data structures.
533 	struct rmi_2d_sensor sensor;  member
550 	struct rmi_2d_sensor *sensor = &f11->sensor;  in rmi_f11_rel_pos_report()  local
557 	rmi_2d_sensor_rel_report(sensor, x, y);  in rmi_f11_rel_pos_report()
561 				   struct rmi_2d_sensor *sensor,  in rmi_f11_abs_pos_process()  argument
585 	rmi_2d_sensor_abs_process(sensor, obj, n_finger);  in rmi_f11_abs_pos_process()
595 				   struct rmi_2d_sensor *sensor, int size)  in rmi_f11_finger_handler()  argument
602 	int abs_size = sensor->nbr_fingers * RMI_F11_ABS_BYTES;  in rmi_f11_finger_handler()
604 	if (sensor->report_abs) {  in rmi_f11_finger_handler()
608 			abs_fingers = sensor->nbr_fingers;  in rmi_f11_finger_handler()
619 			rmi_f11_abs_pos_process(f11, sensor, &sensor->objs[i],  in rmi_f11_finger_handler()
627 		if (sensor->kernel_tracking)  in rmi_f11_finger_handler()
628 			input_mt_assign_slots(sensor->input,  in rmi_f11_finger_handler()
629 					      sensor->tracking_slots,  in rmi_f11_finger_handler()
630 					      sensor->tracking_pos,  in rmi_f11_finger_handler()
631 					      sensor->nbr_fingers,  in rmi_f11_finger_handler()
632 					      sensor->dmax);  in rmi_f11_finger_handler()
640 			rmi_2d_sensor_abs_report(sensor, &sensor->objs[i], i);  in rmi_f11_finger_handler()
643 		input_mt_sync_frame(sensor->input);  in rmi_f11_finger_handler()
644 	} else if (sensor->report_rel) {  in rmi_f11_finger_handler()
645 		if ((abs_size + sensor->nbr_fingers * RMI_F11_REL_BYTES) > size)  in rmi_f11_finger_handler()
648 			rel_fingers = sensor->nbr_fingers;  in rmi_f11_finger_handler()
658 	struct rmi_2d_sensor *sensor = &f11->sensor;  in f11_2d_construct_data()  local
663 	sensor->nbr_fingers = (query->nr_fingers == 5 ? 10 :  in f11_2d_construct_data()
666 	sensor->pkt_size = DIV_ROUND_UP(sensor->nbr_fingers, 4);  in f11_2d_construct_data()
669 		sensor->pkt_size += (sensor->nbr_fingers * 5);  in f11_2d_construct_data()
670 		sensor->attn_size = sensor->pkt_size;  in f11_2d_construct_data()
674 		sensor->pkt_size +=  (sensor->nbr_fingers * 2);  in f11_2d_construct_data()
678 		sensor->pkt_size += sizeof(u8);  in f11_2d_construct_data()
682 		sensor->pkt_size += sizeof(u8);  in f11_2d_construct_data()
685 		sensor->pkt_size += 3;  in f11_2d_construct_data()
687 			sensor->pkt_size--;  in f11_2d_construct_data()
689 			sensor->pkt_size--;  in f11_2d_construct_data()
693 		sensor->pkt_size +=  in f11_2d_construct_data()
696 	sensor->data_pkt = devm_kzalloc(&sensor->fn->dev, sensor->pkt_size,  in f11_2d_construct_data()
698 	if (!sensor->data_pkt)  in f11_2d_construct_data()
701 	data->f_state = sensor->data_pkt;  in f11_2d_construct_data()
702 	i = DIV_ROUND_UP(sensor->nbr_fingers, 4);  in f11_2d_construct_data()
705 		data->abs_pos = &sensor->data_pkt[i];  in f11_2d_construct_data()
706 		i += (sensor->nbr_fingers * RMI_F11_ABS_BYTES);  in f11_2d_construct_data()
710 		data->rel_pos = &sensor->data_pkt[i];  in f11_2d_construct_data()
711 		i += (sensor->nbr_fingers * RMI_F11_REL_BYTES);  in f11_2d_construct_data()
715 		data->gest_1 = &sensor->data_pkt[i];  in f11_2d_construct_data()
720 		data->gest_2 = &sensor->data_pkt[i];  in f11_2d_construct_data()
725 		data->pinch = &sensor->data_pkt[i];  in f11_2d_construct_data()
734 			data->flick = &sensor->data_pkt[i];  in f11_2d_construct_data()
743 			data->rotate = &sensor->data_pkt[i];  in f11_2d_construct_data()
749 		data->shapes = &sensor->data_pkt[i];  in f11_2d_construct_data()
1029 		 * query 15 - 18 contain the size of the sensor  in rmi_f11_get_query_parameters()
1074 	struct rmi_2d_sensor *sensor;  in rmi_f11_initialize()  local
1122 	sensor = &f11->sensor;  in rmi_f11_initialize()
1123 	sensor->fn = fn;  in rmi_f11_initialize()
1141 			f11->sensor.sensor_type = rmi_sensor_touchscreen;  in rmi_f11_initialize()
1143 			f11->sensor.sensor_type = rmi_sensor_touchpad;  in rmi_f11_initialize()
1146 	sensor->report_abs = f11->sens_query.has_abs;  in rmi_f11_initialize()
1148 	sensor->axis_align =  in rmi_f11_initialize()
1151 	sensor->topbuttonpad = f11->sensor_pdata.topbuttonpad;  in rmi_f11_initialize()
1152 	sensor->kernel_tracking = f11->sensor_pdata.kernel_tracking;  in rmi_f11_initialize()
1153 	sensor->dmax = f11->sensor_pdata.dmax;  in rmi_f11_initialize()
1154 	sensor->dribble = f11->sensor_pdata.dribble;  in rmi_f11_initialize()
1155 	sensor->palm_detect = f11->sensor_pdata.palm_detect;  in rmi_f11_initialize()
1158 		sensor->x_mm = f11->sens_query.x_sensor_size_mm;  in rmi_f11_initialize()
1159 		sensor->y_mm = f11->sens_query.y_sensor_size_mm;  in rmi_f11_initialize()
1161 		sensor->x_mm = f11->sensor_pdata.x_mm;  in rmi_f11_initialize()
1162 		sensor->y_mm = f11->sensor_pdata.y_mm;  in rmi_f11_initialize()
1165 	if (sensor->sensor_type == rmi_sensor_default)  in rmi_f11_initialize()
1166 		sensor->sensor_type =  in rmi_f11_initialize()
1169 	sensor->report_abs = sensor->report_abs  in rmi_f11_initialize()
1173 	if (!sensor->report_abs)  in rmi_f11_initialize()
1178 		sensor->report_rel = f11->sens_query.has_rel;  in rmi_f11_initialize()
1192 	sensor->max_x = max_x_pos;  in rmi_f11_initialize()
1193 	sensor->max_y = max_y_pos;  in rmi_f11_initialize()
1200 		f11->sensor.attn_size += f11->sensor.nbr_fingers * 2;  in rmi_f11_initialize()
1203 	sensor->tracking_pos = devm_kcalloc(&fn->dev,  in rmi_f11_initialize()
1204 			sensor->nbr_fingers, sizeof(struct input_mt_pos),  in rmi_f11_initialize()
1206 	sensor->tracking_slots = devm_kcalloc(&fn->dev,  in rmi_f11_initialize()
1207 			sensor->nbr_fingers, sizeof(int), GFP_KERNEL);  in rmi_f11_initialize()
1208 	sensor->objs = devm_kcalloc(&fn->dev,  in rmi_f11_initialize()
1209 			sensor->nbr_fingers,  in rmi_f11_initialize()
1212 	if (!sensor->tracking_pos || !sensor->tracking_slots || !sensor->objs)  in rmi_f11_initialize()
1216 	if (sensor->axis_align.delta_x_threshold)  in rmi_f11_initialize()
1218 			sensor->axis_align.delta_x_threshold;  in rmi_f11_initialize()
1220 	if (sensor->axis_align.delta_y_threshold)  in rmi_f11_initialize()
1222 			sensor->axis_align.delta_y_threshold;  in rmi_f11_initialize()
1228 	if (sensor->axis_align.delta_x_threshold ||  in rmi_f11_initialize()
1229 	    sensor->axis_align.delta_y_threshold) {  in rmi_f11_initialize()
1235 		switch (sensor->dribble) {  in rmi_f11_initialize()
1249 		switch (sensor->palm_detect) {  in rmi_f11_initialize()
1278 	struct rmi_2d_sensor *sensor = &f11->sensor;  in rmi_f11_config()  local
1281 	if (!sensor->report_abs)  in rmi_f11_config()
1286 	if (!sensor->report_rel)  in rmi_f11_config()
1307 	int valid_bytes = f11->sensor.pkt_size;  in rmi_f11_attention()
1314 		if (f11->sensor.attn_size > drvdata->attn_data.size)  in rmi_f11_attention()
1317 			valid_bytes = f11->sensor.attn_size;  in rmi_f11_attention()
1318 		memcpy(f11->sensor.data_pkt, drvdata->attn_data.data,  in rmi_f11_attention()
1324 				data_base_addr, f11->sensor.data_pkt,  in rmi_f11_attention()
1325 				f11->sensor.pkt_size);  in rmi_f11_attention()
1330 	rmi_f11_finger_handler(f11, &f11->sensor, valid_bytes);  in rmi_f11_attention()
1368 	error = rmi_2d_sensor_configure_input(fn, &f11->sensor);  in rmi_f11_probe()