input/mouse/alps.c

17 #include <linux/input/mt.h>
383  * Process bitmap data from semi-mt protocols. Returns the number of
389  * These points are returned in fields->mt when the return value
496 	fields->mt[0] = fields->st;
497 	fields->mt[1] = corner[priv->second_touch];
517 	input_mt_assign_slots(dev, slot, f->mt, n, 0);
519 		alps_set_slot(dev, slot[i], f->mt[i].x, f->mt[i].y);
530 	/* Use st data when we don't have mt data */
532 		f->mt[0].x = f->st.x;
533 		f->mt[0].y = f->st.y;
539 		alps_set_slot(dev, 0, f->mt[0].x, f->mt[0].y);
541 		alps_set_slot(dev, 1, f->mt[1].x, f->mt[1].y);
969 static void alps_get_finger_coordinate_v7(struct input_mt_pos *mt,
973 	mt[0].x = ((pkt[2] & 0x80) << 4);
974 	mt[0].x |= ((pkt[2] & 0x3F) << 5);
975 	mt[0].x |= ((pkt[3] & 0x30) >> 1);
976 	mt[0].x |= (pkt[3] & 0x07);
977 	mt[0].y = (pkt[1] << 3) | (pkt[0] & 0x07);
979 	mt[1].x = ((pkt[3] & 0x80) << 4);
980 	mt[1].x |= ((pkt[4] & 0x80) << 3);
981 	mt[1].x |= ((pkt[4] & 0x3F) << 4);
982 	mt[1].y = ((pkt[5] & 0x80) << 3);
983 	mt[1].y |= ((pkt[5] & 0x3F) << 4);
987 		mt[1].x &= ~0x000F;
988 		mt[1].y |= 0x000F;
990 		if (mt[1].y == 0x7ff && mt[1].x == 0xff0) {
991 			mt[1].x = 0;
997 		mt[1].x &= ~0x003F;
998 		mt[1].y &= ~0x0020;
999 		mt[1].y |= ((pkt[4] & 0x02) << 4);
1000 		mt[1].y |= 0x001F;
1004 		mt[1].x &= ~0x003F;
1005 		mt[1].x |= (pkt[0] & 0x20);
1006 		mt[1].y |= 0x000F;
1010 	mt[0].y = 0x7FF - mt[0].y;
1011 	mt[1].y = 0x7FF - mt[1].y;
1014 static int alps_get_mt_count(struct input_mt_pos *mt)
1019 		if (mt[i].x != 0 || mt[i].y != 0)
1059 	alps_get_finger_coordinate_v7(f->mt, p, pkt_id);
1062 		f->fingers = alps_get_mt_count(f->mt);
1077 	/* Sometimes a single touch is reported in mt[1] rather then mt[0] */
1078 	if (f->fingers == 1 && f->mt[0].x == 0 && f->mt[0].y == 0) {
1079 		f->mt[0].x = f->mt[1].x;
1080 		f->mt[0].y = f->mt[1].y;
1081 		f->mt[1].x = 0;
1082 		f->mt[1].y = 0;
1127 	alps_report_mt_data(psmouse, alps_get_mt_count(f->mt));
1189 		f->mt[0].x = SS4_1F_X_V2(p);
1190 		f->mt[0].y = SS4_1F_Y_V2(p);
1206 				f->mt[0].x = SS4_PLUS_BTL_MF_X_V2(p, 0);
1207 				f->mt[1].x = SS4_PLUS_BTL_MF_X_V2(p, 1);
1209 				f->mt[0].x = SS4_BTL_MF_X_V2(p, 0);
1210 				f->mt[1].x = SS4_BTL_MF_X_V2(p, 1);
1212 			f->mt[0].y = SS4_BTL_MF_Y_V2(p, 0);
1213 			f->mt[1].y = SS4_BTL_MF_Y_V2(p, 1);
1216 				f->mt[0].x = SS4_PLUS_STD_MF_X_V2(p, 0);
1217 				f->mt[1].x = SS4_PLUS_STD_MF_X_V2(p, 1);
1219 				f->mt[0].x = SS4_STD_MF_X_V2(p, 0);
1220 				f->mt[1].x = SS4_STD_MF_X_V2(p, 1);
1222 			f->mt[0].y = SS4_STD_MF_Y_V2(p, 0);
1223 			f->mt[1].y = SS4_STD_MF_Y_V2(p, 1);
1240 				f->mt[2].x = SS4_PLUS_BTL_MF_X_V2(p, 0);
1241 				f->mt[3].x = SS4_PLUS_BTL_MF_X_V2(p, 1);
1244 				f->mt[2].x = SS4_BTL_MF_X_V2(p, 0);
1245 				f->mt[3].x = SS4_BTL_MF_X_V2(p, 1);
1250 			f->mt[2].y = SS4_BTL_MF_Y_V2(p, 0);
1251 			f->mt[3].y = SS4_BTL_MF_Y_V2(p, 1);
1254 				f->mt[2].x = SS4_PLUS_STD_MF_X_V2(p, 0);
1255 				f->mt[3].x = SS4_PLUS_STD_MF_X_V2(p, 1);
1258 				f->mt[2].x = SS4_STD_MF_X_V2(p, 0);
1259 				f->mt[3].x = SS4_STD_MF_X_V2(p, 1);
1264 			f->mt[2].y = SS4_STD_MF_Y_V2(p, 0);
1265 			f->mt[3].y = SS4_STD_MF_Y_V2(p, 1);
1273 		} else if (f->mt[3].x == no_data_x &&
1274 			     f->mt[3].y == no_data_y) {
1275 			f->mt[3].x = 0;
1276 			f->mt[3].y = 0;