Linux-libre 4.2-gnu

16 files changed, 369 insertions, 225 deletions

diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
index bc7eed679..4d246861d 100644
--- a/drivers/input/mouse/alps.c
+++ b/drivers/input/mouse/alps.c
@@ -161,8 +161,8 @@ static const struct alps_protocol_info alps_v8_protocol_data = {
 
 static void alps_set_abs_params_st(struct alps_data *priv,
 				   struct input_dev *dev1);
-static void alps_set_abs_params_mt(struct alps_data *priv,
-				   struct input_dev *dev1);
+static void alps_set_abs_params_semi_mt(struct alps_data *priv,
+					struct input_dev *dev1);
 static void alps_set_abs_params_v7(struct alps_data *priv,
 				   struct input_dev *dev1);
 static void alps_set_abs_params_ss4_v2(struct alps_data *priv,
@@ -312,53 +312,6 @@ static void alps_process_packet_v1_v2(struct psmouse *psmouse)
 	input_sync(dev);
 }
 
-/*
- * Process bitmap data for V5 protocols. Return value is null.
- *
- * The bitmaps don't have enough data to track fingers, so this function
- * only generates points representing a bounding box of at most two contacts.
- * These two points are returned in fields->mt.
- */
-static void alps_process_bitmap_dolphin(struct alps_data *priv,
-					struct alps_fields *fields)
-{
-	int box_middle_x, box_middle_y;
-	unsigned int x_map, y_map;
-	unsigned char start_bit, end_bit;
-	unsigned char x_msb, x_lsb, y_msb, y_lsb;
-
-	x_map = fields->x_map;
-	y_map = fields->y_map;
-
-	if (!x_map || !y_map)
-		return;
-
-	/* Get Most-significant and Least-significant bit */
-	x_msb = fls(x_map);
-	x_lsb = ffs(x_map);
-	y_msb = fls(y_map);
-	y_lsb = ffs(y_map);
-
-	/* Most-significant bit should never exceed max sensor line number */
-	if (x_msb > priv->x_bits || y_msb > priv->y_bits)
-		return;
-
-	if (fields->fingers > 1) {
-		start_bit = priv->x_bits - x_msb;
-		end_bit = priv->x_bits - x_lsb;
-		box_middle_x = (priv->x_max * (start_bit + end_bit)) /
-				(2 * (priv->x_bits - 1));
-
-		start_bit = y_lsb - 1;
-		end_bit = y_msb - 1;
-		box_middle_y = (priv->y_max * (start_bit + end_bit)) /
-				(2 * (priv->y_bits - 1));
-		fields->mt[0] = fields->st;
-		fields->mt[1].x = 2 * box_middle_x - fields->mt[0].x;
-		fields->mt[1].y = 2 * box_middle_y - fields->mt[0].y;
-	}
-}
-
 static void alps_get_bitmap_points(unsigned int map,
 				   struct alps_bitmap_point *low,
 				   struct alps_bitmap_point *high,
@@ -386,7 +339,7 @@ static void alps_get_bitmap_points(unsigned int map,
 }
 
 /*
- * Process bitmap data from v3 and v4 protocols. Returns the number of
+ * Process bitmap data from semi-mt protocols. Returns the number of
  * fingers detected. A return value of 0 means at least one of the
  * bitmaps was empty.
  *
@@ -398,9 +351,10 @@ static void alps_get_bitmap_points(unsigned int map,
 static int alps_process_bitmap(struct alps_data *priv,
 			       struct alps_fields *fields)
 {
-	int i, fingers_x = 0, fingers_y = 0, fingers;
+	int i, fingers_x = 0, fingers_y = 0, fingers, closest;
 	struct alps_bitmap_point x_low = {0,}, x_high = {0,};
 	struct alps_bitmap_point y_low = {0,}, y_high = {0,};
+	struct input_mt_pos corner[4];
 
 	if (!fields->x_map || !fields->y_map)
 		return 0;
@@ -431,26 +385,76 @@ static int alps_process_bitmap(struct alps_data *priv,
 		y_high.num_bits = max(i, 1);
 	}
 
-	fields->mt[0].x =
+	/* top-left corner */
+	corner[0].x =
 		(priv->x_max * (2 * x_low.start_bit + x_low.num_bits - 1)) /
 		(2 * (priv->x_bits - 1));
-	fields->mt[0].y =
+	corner[0].y =
 		(priv->y_max * (2 * y_low.start_bit + y_low.num_bits - 1)) /
 		(2 * (priv->y_bits - 1));
 
-	fields->mt[1].x =
+	/* top-right corner */
+	corner[1].x =
 		(priv->x_max * (2 * x_high.start_bit + x_high.num_bits - 1)) /
 		(2 * (priv->x_bits - 1));
-	fields->mt[1].y =
+	corner[1].y =
+		(priv->y_max * (2 * y_low.start_bit + y_low.num_bits - 1)) /
+		(2 * (priv->y_bits - 1));
+
+	/* bottom-right corner */
+	corner[2].x =
+		(priv->x_max * (2 * x_high.start_bit + x_high.num_bits - 1)) /
+		(2 * (priv->x_bits - 1));
+	corner[2].y =
+		(priv->y_max * (2 * y_high.start_bit + y_high.num_bits - 1)) /
+		(2 * (priv->y_bits - 1));
+
+	/* bottom-left corner */
+	corner[3].x =
+		(priv->x_max * (2 * x_low.start_bit + x_low.num_bits - 1)) /
+		(2 * (priv->x_bits - 1));
+	corner[3].y =
 		(priv->y_max * (2 * y_high.start_bit + y_high.num_bits - 1)) /
 		(2 * (priv->y_bits - 1));
 
-	/* y-bitmap order is reversed, except on rushmore */
-	if (priv->proto_version != ALPS_PROTO_V3_RUSHMORE) {
-		fields->mt[0].y = priv->y_max - fields->mt[0].y;
-		fields->mt[1].y = priv->y_max - fields->mt[1].y;
+	/* x-bitmap order is reversed on v5 touchpads  */
+	if (priv->proto_version == ALPS_PROTO_V5) {
+		for (i = 0; i < 4; i++)
+			corner[i].x = priv->x_max - corner[i].x;
+	}
+
+	/* y-bitmap order is reversed on v3 and v4 touchpads  */
+	if (priv->proto_version == ALPS_PROTO_V3 ||
+	    priv->proto_version == ALPS_PROTO_V4) {
+		for (i = 0; i < 4; i++)
+			corner[i].y = priv->y_max - corner[i].y;
+	}
+
+	/*
+	 * We only select a corner for the second touch once per 2 finger
+	 * touch sequence to avoid the chosen corner (and thus the coordinates)
+	 * jumping around when the first touch is in the middle.
+	 */
+	if (priv->second_touch == -1) {
+		/* Find corner closest to our st coordinates */
+		closest = 0x7fffffff;
+		for (i = 0; i < 4; i++) {
+			int dx = fields->st.x - corner[i].x;
+			int dy = fields->st.y - corner[i].y;
+			int distance = dx * dx + dy * dy;
+
+			if (distance < closest) {
+				priv->second_touch = i;
+				closest = distance;
+			}
+		}
+		/* And select the opposite corner to use for the 2nd touch */
+		priv->second_touch = (priv->second_touch + 2) % 4;
 	}
 
+	fields->mt[0] = fields->st;
+	fields->mt[1] = corner[priv->second_touch];
+
 	return fingers;
 }
 
@@ -487,9 +491,14 @@ static void alps_report_semi_mt_data(struct psmouse *psmouse, int fingers)
 		f->mt[0].x = f->st.x;
 		f->mt[0].y = f->st.y;
 		fingers = f->pressure > 0 ? 1 : 0;
+		priv->second_touch = -1;
 	}
 
-	alps_report_mt_data(psmouse, (fingers <= 2) ? fingers : 2);
+	if (fingers >= 1)
+		alps_set_slot(dev, 0, f->mt[0].x, f->mt[0].y);
+	if (fingers >= 2)
+		alps_set_slot(dev, 1, f->mt[1].x, f->mt[1].y);
+	input_mt_sync_frame(dev);
 
 	input_mt_report_finger_count(dev, fingers);
 
@@ -586,20 +595,22 @@ static int alps_decode_pinnacle(struct alps_fields *f, unsigned char *p,
 	f->first_mp = !!(p[4] & 0x40);
 	f->is_mp = !!(p[0] & 0x40);
 
-	f->fingers = (p[5] & 0x3) + 1;
-	f->x_map = ((p[4] & 0x7e) << 8) |
-		   ((p[1] & 0x7f) << 2) |
-		   ((p[0] & 0x30) >> 4);
-	f->y_map = ((p[3] & 0x70) << 4) |
-		   ((p[2] & 0x7f) << 1) |
-		   (p[4] & 0x01);
-
-	f->st.x = ((p[1] & 0x7f) << 4) | ((p[4] & 0x30) >> 2) |
-	       ((p[0] & 0x30) >> 4);
-	f->st.y = ((p[2] & 0x7f) << 4) | (p[4] & 0x0f);
-	f->pressure = p[5] & 0x7f;
+	if (f->is_mp) {
+		f->fingers = (p[5] & 0x3) + 1;
+		f->x_map = ((p[4] & 0x7e) << 8) |
+			   ((p[1] & 0x7f) << 2) |
+			   ((p[0] & 0x30) >> 4);
+		f->y_map = ((p[3] & 0x70) << 4) |
+			   ((p[2] & 0x7f) << 1) |
+			   (p[4] & 0x01);
+	} else {
+		f->st.x = ((p[1] & 0x7f) << 4) | ((p[4] & 0x30) >> 2) |
+		       ((p[0] & 0x30) >> 4);
+		f->st.y = ((p[2] & 0x7f) << 4) | (p[4] & 0x0f);
+		f->pressure = p[5] & 0x7f;
 
-	alps_decode_buttons_v3(f, p);
+		alps_decode_buttons_v3(f, p);
+	}
 
 	return 0;
 }
@@ -607,13 +618,27 @@ static int alps_decode_pinnacle(struct alps_fields *f, unsigned char *p,
 static int alps_decode_rushmore(struct alps_fields *f, unsigned char *p,
 				 struct psmouse *psmouse)
 {
-	alps_decode_pinnacle(f, p, psmouse);
-
-	/* Rushmore's packet decode has a bit difference with Pinnacle's */
+	f->first_mp = !!(p[4] & 0x40);
 	f->is_mp = !!(p[5] & 0x40);
-	f->fingers = max((p[5] & 0x3), ((p[5] >> 2) & 0x3)) + 1;
-	f->x_map |= (p[5] & 0x10) << 11;
-	f->y_map |= (p[5] & 0x20) << 6;
+
+	if (f->is_mp) {
+		f->fingers = max((p[5] & 0x3), ((p[5] >> 2) & 0x3)) + 1;
+		f->x_map = ((p[5] & 0x10) << 11) |
+			   ((p[4] & 0x7e) << 8) |
+			   ((p[1] & 0x7f) << 2) |
+			   ((p[0] & 0x30) >> 4);
+		f->y_map = ((p[5] & 0x20) << 6) |
+			   ((p[3] & 0x70) << 4) |
+			   ((p[2] & 0x7f) << 1) |
+			   (p[4] & 0x01);
+	} else {
+		f->st.x = ((p[1] & 0x7f) << 4) | ((p[4] & 0x30) >> 2) |
+		       ((p[0] & 0x30) >> 4);
+		f->st.y = ((p[2] & 0x7f) << 4) | (p[4] & 0x0f);
+		f->pressure = p[5] & 0x7f;
+
+		alps_decode_buttons_v3(f, p);
+	}
 
 	return 0;
 }
@@ -682,30 +707,13 @@ static void alps_process_touchpad_packet_v3_v5(struct psmouse *psmouse)
 		 */
 		if (f->is_mp) {
 			fingers = f->fingers;
-			if (priv->proto_version == ALPS_PROTO_V3 ||
-			    priv->proto_version == ALPS_PROTO_V3_RUSHMORE) {
-				if (alps_process_bitmap(priv, f) == 0)
-					fingers = 0; /* Use st data */
-
-				/* Now process position packet */
-				priv->decode_fields(f, priv->multi_data,
-						    psmouse);
-			} else {
-				/*
-				 * Because Dolphin uses position packet's
-				 * coordinate data as Pt1 and uses it to
-				 * calculate Pt2, so we need to do position
-				 * packet decode first.
-				 */
-				priv->decode_fields(f, priv->multi_data,
-						    psmouse);
-
-				/*
-				 * Since Dolphin's finger number is reliable,
-				 * there is no need to compare with bmap_fn.
-				 */
-				alps_process_bitmap_dolphin(priv, f);
-			}
+			/*
+			 * Bitmap processing uses position packet's coordinate
+			 * data, so we need to do decode it first.
+			 */
+			priv->decode_fields(f, priv->multi_data, psmouse);
+			if (alps_process_bitmap(priv, f) == 0)
+				fingers = 0; /* Use st data */
 		} else {
 			priv->multi_packet = 0;
 		}
@@ -867,6 +875,14 @@ static void alps_process_packet_v4(struct psmouse *psmouse)
 	priv->multi_data[offset] = packet[6];
 	priv->multi_data[offset + 1] = packet[7];
 
+	f->left = !!(packet[4] & 0x01);
+	f->right = !!(packet[4] & 0x02);
+
+	f->st.x = ((packet[1] & 0x7f) << 4) | ((packet[3] & 0x30) >> 2) |
+		  ((packet[0] & 0x30) >> 4);
+	f->st.y = ((packet[2] & 0x7f) << 4) | (packet[3] & 0x0f);
+	f->pressure = packet[5] & 0x7f;
+
 	if (++priv->multi_packet > 2) {
 		priv->multi_packet = 0;
 
@@ -881,14 +897,6 @@ static void alps_process_packet_v4(struct psmouse *psmouse)
 		f->fingers = alps_process_bitmap(priv, f);
 	}
 
-	f->left = !!(packet[4] & 0x01);
-	f->right = !!(packet[4] & 0x02);
-
-	f->st.x = ((packet[1] & 0x7f) << 4) | ((packet[3] & 0x30) >> 2) |
-		  ((packet[0] & 0x30) >> 4);
-	f->st.y = ((packet[2] & 0x7f) << 4) | (packet[3] & 0x0f);
-	f->pressure = packet[5] & 0x7f;
-
 	alps_report_semi_mt_data(psmouse, f->fingers);
 }
 
@@ -2565,7 +2573,7 @@ static int alps_set_protocol(struct psmouse *psmouse,
 	case ALPS_PROTO_V3:
 		priv->hw_init = alps_hw_init_v3;
 		priv->process_packet = alps_process_packet_v3;
-		priv->set_abs_params = alps_set_abs_params_mt;
+		priv->set_abs_params = alps_set_abs_params_semi_mt;
 		priv->decode_fields = alps_decode_pinnacle;
 		priv->nibble_commands = alps_v3_nibble_commands;
 		priv->addr_command = PSMOUSE_CMD_RESET_WRAP;
@@ -2574,7 +2582,7 @@ static int alps_set_protocol(struct psmouse *psmouse,
 	case ALPS_PROTO_V3_RUSHMORE:
 		priv->hw_init = alps_hw_init_rushmore_v3;
 		priv->process_packet = alps_process_packet_v3;
-		priv->set_abs_params = alps_set_abs_params_mt;
+		priv->set_abs_params = alps_set_abs_params_semi_mt;
 		priv->decode_fields = alps_decode_rushmore;
 		priv->nibble_commands = alps_v3_nibble_commands;
 		priv->addr_command = PSMOUSE_CMD_RESET_WRAP;
@@ -2590,7 +2598,7 @@ static int alps_set_protocol(struct psmouse *psmouse,
 	case ALPS_PROTO_V4:
 		priv->hw_init = alps_hw_init_v4;
 		priv->process_packet = alps_process_packet_v4;
-		priv->set_abs_params = alps_set_abs_params_mt;
+		priv->set_abs_params = alps_set_abs_params_semi_mt;
 		priv->nibble_commands = alps_v4_nibble_commands;
 		priv->addr_command = PSMOUSE_CMD_DISABLE;
 		break;
@@ -2599,7 +2607,7 @@ static int alps_set_protocol(struct psmouse *psmouse,
 		priv->hw_init = alps_hw_init_dolphin_v1;
 		priv->process_packet = alps_process_touchpad_packet_v3_v5;
 		priv->decode_fields = alps_decode_dolphin;
-		priv->set_abs_params = alps_set_abs_params_mt;
+		priv->set_abs_params = alps_set_abs_params_semi_mt;
 		priv->nibble_commands = alps_v3_nibble_commands;
 		priv->addr_command = PSMOUSE_CMD_RESET_WRAP;
 		priv->x_bits = 23;
@@ -2781,15 +2789,15 @@ static void alps_set_abs_params_mt_common(struct alps_data *priv,
 	set_bit(BTN_TOOL_QUADTAP, dev1->keybit);
 }
 
-static void alps_set_abs_params_mt(struct alps_data *priv,
-				   struct input_dev *dev1)
+static void alps_set_abs_params_semi_mt(struct alps_data *priv,
+					struct input_dev *dev1)
 {
 	alps_set_abs_params_mt_common(priv, dev1);
 	input_set_abs_params(dev1, ABS_PRESSURE, 0, 127, 0, 0);
 
 	input_mt_init_slots(dev1, MAX_TOUCHES,
 			    INPUT_MT_POINTER | INPUT_MT_DROP_UNUSED |
-				INPUT_MT_TRACK | INPUT_MT_SEMI_MT);
+				INPUT_MT_SEMI_MT);
 }
 
 static void alps_set_abs_params_v7(struct alps_data *priv,
diff --git a/drivers/input/mouse/alps.h b/drivers/input/mouse/alps.h
index 6dfdccc3a..d37f814dc 100644
--- a/drivers/input/mouse/alps.h
+++ b/drivers/input/mouse/alps.h
@@ -278,6 +278,7 @@ struct alps_data {
 
 	int prev_fin;
 	int multi_packet;
+	int second_touch;
 	unsigned char multi_data[6];
 	struct alps_fields f;
 	u8 quirks;
diff --git a/drivers/input/mouse/bcm5974.c b/drivers/input/mouse/bcm5974.c
index b10709f04..30e344251 100644
--- a/drivers/input/mouse/bcm5974.c
+++ b/drivers/input/mouse/bcm5974.c
@@ -2,6 +2,7 @@
  * Apple USB BCM5974 (Macbook Air and Penryn Macbook Pro) multitouch driver
  *
  * Copyright (C) 2008	   Henrik Rydberg (rydberg@euromail.se)
+ * Copyright (C) 2015      John Horan (knasher@gmail.com)
  *
  * The USB initialization and package decoding was made by
  * Scott Shawcroft as part of the touchd user-space driver project:
@@ -91,6 +92,10 @@
 #define USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI	0x0290
 #define USB_DEVICE_ID_APPLE_WELLSPRING8_ISO	0x0291
 #define USB_DEVICE_ID_APPLE_WELLSPRING8_JIS	0x0292
+/* MacbookPro12,1 (2015) */
+#define USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI	0x0272
+#define USB_DEVICE_ID_APPLE_WELLSPRING9_ISO	0x0273
+#define USB_DEVICE_ID_APPLE_WELLSPRING9_JIS	0x0274
 
 #define BCM5974_DEVICE(prod) {					\
 	.match_flags = (USB_DEVICE_ID_MATCH_DEVICE |		\
@@ -152,6 +157,10 @@ static const struct usb_device_id bcm5974_table[] = {
 	BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI),
 	BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING8_ISO),
 	BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING8_JIS),
+	/* MacbookPro12,1 */
+	BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI),
+	BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING9_ISO),
+	BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING9_JIS),
 	/* Terminating entry */
 	{}
 };
@@ -180,21 +189,47 @@ struct bt_data {
 enum tp_type {
 	TYPE1,			/* plain trackpad */
 	TYPE2,			/* button integrated in trackpad */
-	TYPE3			/* additional header fields since June 2013 */
+	TYPE3,			/* additional header fields since June 2013 */
+	TYPE4			/* additional header field for pressure data */
 };
 
 /* trackpad finger data offsets, le16-aligned */
-#define FINGER_TYPE1		(13 * sizeof(__le16))
-#define FINGER_TYPE2		(15 * sizeof(__le16))
-#define FINGER_TYPE3		(19 * sizeof(__le16))
+#define HEADER_TYPE1		(13 * sizeof(__le16))
+#define HEADER_TYPE2		(15 * sizeof(__le16))
+#define HEADER_TYPE3		(19 * sizeof(__le16))
+#define HEADER_TYPE4		(23 * sizeof(__le16))
 
 /* trackpad button data offsets */
+#define BUTTON_TYPE1		0
 #define BUTTON_TYPE2		15
 #define BUTTON_TYPE3		23
+#define BUTTON_TYPE4		31
 
 /* list of device capability bits */
 #define HAS_INTEGRATED_BUTTON	1
 
+/* trackpad finger data block size */
+#define FSIZE_TYPE1		(14 * sizeof(__le16))
+#define FSIZE_TYPE2		(14 * sizeof(__le16))
+#define FSIZE_TYPE3		(14 * sizeof(__le16))
+#define FSIZE_TYPE4		(15 * sizeof(__le16))
+
+/* offset from header to finger struct */
+#define DELTA_TYPE1		(0 * sizeof(__le16))
+#define DELTA_TYPE2		(0 * sizeof(__le16))
+#define DELTA_TYPE3		(0 * sizeof(__le16))
+#define DELTA_TYPE4		(1 * sizeof(__le16))
+
+/* usb control message mode switch data */
+#define USBMSG_TYPE1		8, 0x300, 0, 0, 0x1, 0x8
+#define USBMSG_TYPE2		8, 0x300, 0, 0, 0x1, 0x8
+#define USBMSG_TYPE3		8, 0x300, 0, 0, 0x1, 0x8
+#define USBMSG_TYPE4		2, 0x302, 2, 1, 0x1, 0x0
+
+/* Wellspring initialization constants */
+#define BCM5974_WELLSPRING_MODE_READ_REQUEST_ID		1
+#define BCM5974_WELLSPRING_MODE_WRITE_REQUEST_ID	9
+
 /* trackpad finger structure, le16-aligned */
 struct tp_finger {
 	__le16 origin;		/* zero when switching track finger */
@@ -207,14 +242,13 @@ struct tp_finger {
 	__le16 orientation;	/* 16384 when point, else 15 bit angle */
 	__le16 touch_major;	/* touch area, major axis */
 	__le16 touch_minor;	/* touch area, minor axis */
-	__le16 unused[3];	/* zeros */
+	__le16 unused[2];	/* zeros */
+	__le16 pressure;	/* pressure on forcetouch touchpad */
 	__le16 multi;		/* one finger: varies, more fingers: constant */
 } __attribute__((packed,aligned(2)));
 
 /* trackpad finger data size, empirically at least ten fingers */
 #define MAX_FINGERS		16
-#define SIZEOF_FINGER		sizeof(struct tp_finger)
-#define SIZEOF_ALL_FINGERS	(MAX_FINGERS * SIZEOF_FINGER)
 #define MAX_FINGER_ORIENTATION	16384
 
 /* device-specific parameters */
@@ -232,8 +266,17 @@ struct bcm5974_config {
 	int bt_datalen;		/* data length of the button interface */
 	int tp_ep;		/* the endpoint of the trackpad interface */
 	enum tp_type tp_type;	/* type of trackpad interface */
-	int tp_offset;		/* offset to trackpad finger data */
+	int tp_header;		/* bytes in header block */
 	int tp_datalen;		/* data length of the trackpad interface */
+	int tp_button;		/* offset to button data */
+	int tp_fsize;		/* bytes in single finger block */
+	int tp_delta;		/* offset from header to finger struct */
+	int um_size;		/* usb control message length */
+	int um_req_val;		/* usb control message value */
+	int um_req_idx;		/* usb control message index */
+	int um_switch_idx;	/* usb control message mode switch index */
+	int um_switch_on;	/* usb control message mode switch on */
+	int um_switch_off;	/* usb control message mode switch off */
 	struct bcm5974_param p;	/* finger pressure limits */
 	struct bcm5974_param w;	/* finger width limits */
 	struct bcm5974_param x;	/* horizontal limits */
@@ -259,6 +302,24 @@ struct bcm5974 {
 	int slots[MAX_FINGERS];				/* slot assignments */
 };
 
+/* trackpad finger block data, le16-aligned */
+static const struct tp_finger *get_tp_finger(const struct bcm5974 *dev, int i)
+{
+	const struct bcm5974_config *c = &dev->cfg;
+	u8 *f_base = dev->tp_data + c->tp_header + c->tp_delta;
+
+	return (const struct tp_finger *)(f_base + i * c->tp_fsize);
+}
+
+#define DATAFORMAT(type)				\
+	type,						\
+	HEADER_##type,					\
+	HEADER_##type + (MAX_FINGERS) * (FSIZE_##type),	\
+	BUTTON_##type,					\
+	FSIZE_##type,					\
+	DELTA_##type,					\
+	USBMSG_##type
+
 /* logical signal quality */
 #define SN_PRESSURE	45		/* pressure signal-to-noise ratio */
 #define SN_WIDTH	25		/* width signal-to-noise ratio */
@@ -273,7 +334,7 @@ static const struct bcm5974_config bcm5974_config_table[] = {
 		USB_DEVICE_ID_APPLE_WELLSPRING_JIS,
 		0,
 		0x84, sizeof(struct bt_data),
-		0x81, TYPE1, FINGER_TYPE1, FINGER_TYPE1 + SIZEOF_ALL_FINGERS,
+		0x81, DATAFORMAT(TYPE1),
 		{ SN_PRESSURE, 0, 256 },
 		{ SN_WIDTH, 0, 2048 },
 		{ SN_COORD, -4824, 5342 },
@@ -286,7 +347,7 @@ static const struct bcm5974_config bcm5974_config_table[] = {
 		USB_DEVICE_ID_APPLE_WELLSPRING2_JIS,
 		0,
 		0x84, sizeof(struct bt_data),
-		0x81, TYPE1, FINGER_TYPE1, FINGER_TYPE1 + SIZEOF_ALL_FINGERS,
+		0x81, DATAFORMAT(TYPE1),
 		{ SN_PRESSURE, 0, 256 },
 		{ SN_WIDTH, 0, 2048 },
 		{ SN_COORD, -4824, 4824 },
@@ -299,7 +360,7 @@ static const struct bcm5974_config bcm5974_config_table[] = {
 		USB_DEVICE_ID_APPLE_WELLSPRING3_JIS,
 		HAS_INTEGRATED_BUTTON,
 		0x84, sizeof(struct bt_data),
-		0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS,
+		0x81, DATAFORMAT(TYPE2),
 		{ SN_PRESSURE, 0, 300 },
 		{ SN_WIDTH, 0, 2048 },
 		{ SN_COORD, -4460, 5166 },
@@ -312,7 +373,7 @@ static const struct bcm5974_config bcm5974_config_table[] = {
 		USB_DEVICE_ID_APPLE_WELLSPRING4_JIS,
 		HAS_INTEGRATED_BUTTON,
 		0x84, sizeof(struct bt_data),
-		0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS,
+		0x81, DATAFORMAT(TYPE2),
 		{ SN_PRESSURE, 0, 300 },
 		{ SN_WIDTH, 0, 2048 },
 		{ SN_COORD, -4620, 5140 },
@@ -325,7 +386,7 @@ static const struct bcm5974_config bcm5974_config_table[] = {
 		USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS,
 		HAS_INTEGRATED_BUTTON,
 		0x84, sizeof(struct bt_data),
-		0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS,
+		0x81, DATAFORMAT(TYPE2),
 		{ SN_PRESSURE, 0, 300 },
 		{ SN_WIDTH, 0, 2048 },
 		{ SN_COORD, -4616, 5112 },
@@ -338,7 +399,7 @@ static const struct bcm5974_config bcm5974_config_table[] = {
 		USB_DEVICE_ID_APPLE_WELLSPRING5_JIS,
 		HAS_INTEGRATED_BUTTON,
 		0x84, sizeof(struct bt_data),
-		0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS,
+		0x81, DATAFORMAT(TYPE2),
 		{ SN_PRESSURE, 0, 300 },
 		{ SN_WIDTH, 0, 2048 },
 		{ SN_COORD, -4415, 5050 },
@@ -351,7 +412,7 @@ static const struct bcm5974_config bcm5974_config_table[] = {
 		USB_DEVICE_ID_APPLE_WELLSPRING6_JIS,
 		HAS_INTEGRATED_BUTTON,
 		0x84, sizeof(struct bt_data),
-		0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS,
+		0x81, DATAFORMAT(TYPE2),
 		{ SN_PRESSURE, 0, 300 },
 		{ SN_WIDTH, 0, 2048 },
 		{ SN_COORD, -4620, 5140 },
@@ -364,7 +425,7 @@ static const struct bcm5974_config bcm5974_config_table[] = {
 		USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS,
 		HAS_INTEGRATED_BUTTON,
 		0x84, sizeof(struct bt_data),
-		0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS,
+		0x81, DATAFORMAT(TYPE2),
 		{ SN_PRESSURE, 0, 300 },
 		{ SN_WIDTH, 0, 2048 },
 		{ SN_COORD, -4750, 5280 },
@@ -377,7 +438,7 @@ static const struct bcm5974_config bcm5974_config_table[] = {
 		USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS,
 		HAS_INTEGRATED_BUTTON,
 		0x84, sizeof(struct bt_data),
-		0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS,
+		0x81, DATAFORMAT(TYPE2),
 		{ SN_PRESSURE, 0, 300 },
 		{ SN_WIDTH, 0, 2048 },
 		{ SN_COORD, -4620, 5140 },
@@ -390,7 +451,7 @@ static const struct bcm5974_config bcm5974_config_table[] = {
 		USB_DEVICE_ID_APPLE_WELLSPRING7_JIS,
 		HAS_INTEGRATED_BUTTON,
 		0x84, sizeof(struct bt_data),
-		0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS,
+		0x81, DATAFORMAT(TYPE2),
 		{ SN_PRESSURE, 0, 300 },
 		{ SN_WIDTH, 0, 2048 },
 		{ SN_COORD, -4750, 5280 },
@@ -403,7 +464,7 @@ static const struct bcm5974_config bcm5974_config_table[] = {
 		USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS,
 		HAS_INTEGRATED_BUTTON,
 		0x84, sizeof(struct bt_data),
-		0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS,
+		0x81, DATAFORMAT(TYPE2),
 		{ SN_PRESSURE, 0, 300 },
 		{ SN_WIDTH, 0, 2048 },
 		{ SN_COORD, -4750, 5280 },
@@ -416,13 +477,26 @@ static const struct bcm5974_config bcm5974_config_table[] = {
 		USB_DEVICE_ID_APPLE_WELLSPRING8_JIS,
 		HAS_INTEGRATED_BUTTON,
 		0, sizeof(struct bt_data),
-		0x83, TYPE3, FINGER_TYPE3, FINGER_TYPE3 + SIZEOF_ALL_FINGERS,
+		0x83, DATAFORMAT(TYPE3),
 		{ SN_PRESSURE, 0, 300 },
 		{ SN_WIDTH, 0, 2048 },
 		{ SN_COORD, -4620, 5140 },
 		{ SN_COORD, -150, 6600 },
 		{ SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION }
 	},
+	{
+		USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI,
+		USB_DEVICE_ID_APPLE_WELLSPRING9_ISO,
+		USB_DEVICE_ID_APPLE_WELLSPRING9_JIS,
+		HAS_INTEGRATED_BUTTON,
+		0, sizeof(struct bt_data),
+		0x83, DATAFORMAT(TYPE4),
+		{ SN_PRESSURE, 0, 300 },
+		{ SN_WIDTH, 0, 2048 },
+		{ SN_COORD, -4828, 5345 },
+		{ SN_COORD, -203, 6803 },
+		{ SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION }
+	},
 	{}
 };
 
@@ -549,19 +623,18 @@ static int report_tp_state(struct bcm5974 *dev, int size)
 	struct input_dev *input = dev->input;
 	int raw_n, i, n = 0;
 
-	if (size < c->tp_offset || (size - c->tp_offset) % SIZEOF_FINGER != 0)
+	if (size < c->tp_header || (size - c->tp_header) % c->tp_fsize != 0)
 		return -EIO;
 
-	/* finger data, le16-aligned */
-	f = (const struct tp_finger *)(dev->tp_data + c->tp_offset);
-	raw_n = (size - c->tp_offset) / SIZEOF_FINGER;
+	raw_n = (size - c->tp_header) / c->tp_fsize;
 
 	for (i = 0; i < raw_n; i++) {
-		if (raw2int(f[i].touch_major) == 0)
+		f = get_tp_finger(dev, i);
+		if (raw2int(f->touch_major) == 0)
 			continue;
-		dev->pos[n].x = raw2int(f[i].abs_x);
-		dev->pos[n].y = c->y.min + c->y.max - raw2int(f[i].abs_y);
-		dev->index[n++] = &f[i];
+		dev->pos[n].x = raw2int(f->abs_x);
+		dev->pos[n].y = c->y.min + c->y.max - raw2int(f->abs_y);
+		dev->index[n++] = f;
 	}
 
 	input_mt_assign_slots(input, dev->slots, dev->pos, n, 0);
@@ -572,32 +645,22 @@ static int report_tp_state(struct bcm5974 *dev, int size)
 
 	input_mt_sync_frame(input);
 
-	report_synaptics_data(input, c, f, raw_n);
+	report_synaptics_data(input, c, get_tp_finger(dev, 0), raw_n);
 
-	/* type 2 reports button events via ibt only */
-	if (c->tp_type == TYPE2) {
-		int ibt = raw2int(dev->tp_data[BUTTON_TYPE2]);
+	/* later types report button events via integrated button only */
+	if (c->caps & HAS_INTEGRATED_BUTTON) {
+		int ibt = raw2int(dev->tp_data[c->tp_button]);
 		input_report_key(input, BTN_LEFT, ibt);
 	}
 
-	if (c->tp_type == TYPE3)
-		input_report_key(input, BTN_LEFT, dev->tp_data[BUTTON_TYPE3]);
-
 	input_sync(input);
 
 	return 0;
 }
 
-/* Wellspring initialization constants */
-#define BCM5974_WELLSPRING_MODE_READ_REQUEST_ID		1
-#define BCM5974_WELLSPRING_MODE_WRITE_REQUEST_ID	9
-#define BCM5974_WELLSPRING_MODE_REQUEST_VALUE		0x300
-#define BCM5974_WELLSPRING_MODE_REQUEST_INDEX		0
-#define BCM5974_WELLSPRING_MODE_VENDOR_VALUE		0x01
-#define BCM5974_WELLSPRING_MODE_NORMAL_VALUE		0x08
-
 static int bcm5974_wellspring_mode(struct bcm5974 *dev, bool on)
 {
+	const struct bcm5974_config *c = &dev->cfg;
 	int retval = 0, size;
 	char *data;
 
@@ -605,7 +668,7 @@ static int bcm5974_wellspring_mode(struct bcm5974 *dev, bool on)
 	if (dev->cfg.tp_type == TYPE3)
 		return 0;
 
-	data = kmalloc(8, GFP_KERNEL);
+	data = kmalloc(c->um_size, GFP_KERNEL);
 	if (!data) {
 		dev_err(&dev->intf->dev, "out of memory\n");
 		retval = -ENOMEM;
@@ -616,28 +679,24 @@ static int bcm5974_wellspring_mode(struct bcm5974 *dev, bool on)
 	size = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0),
 			BCM5974_WELLSPRING_MODE_READ_REQUEST_ID,
 			USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
-			BCM5974_WELLSPRING_MODE_REQUEST_VALUE,
-			BCM5974_WELLSPRING_MODE_REQUEST_INDEX, data, 8, 5000);
+			c->um_req_val, c->um_req_idx, data, c->um_size, 5000);
 
-	if (size != 8) {
+	if (size != c->um_size) {
 		dev_err(&dev->intf->dev, "could not read from device\n");
 		retval = -EIO;
 		goto out;
 	}
 
 	/* apply the mode switch */
-	data[0] = on ?
-		BCM5974_WELLSPRING_MODE_VENDOR_VALUE :
-		BCM5974_WELLSPRING_MODE_NORMAL_VALUE;
+	data[c->um_switch_idx] = on ? c->um_switch_on : c->um_switch_off;
 
 	/* write configuration */
 	size = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0),
 			BCM5974_WELLSPRING_MODE_WRITE_REQUEST_ID,
 			USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
-			BCM5974_WELLSPRING_MODE_REQUEST_VALUE,
-			BCM5974_WELLSPRING_MODE_REQUEST_INDEX, data, 8, 5000);
+			c->um_req_val, c->um_req_idx, data, c->um_size, 5000);
 
-	if (size != 8) {
+	if (size != c->um_size) {
 		dev_err(&dev->intf->dev, "could not write to device\n");
 		retval = -EIO;
 		goto out;
diff --git a/drivers/input/mouse/cyapa_gen3.c b/drivers/input/mouse/cyapa_gen3.c
index 1e2291c37..3faf01c1b 100644
--- a/drivers/input/mouse/cyapa_gen3.c
+++ b/drivers/input/mouse/cyapa_gen3.c
@@ -950,14 +950,13 @@ static u16 cyapa_get_wait_time_for_pwr_cmd(u8 pwr_mode)
  * Device power mode can only be set when device is in operational mode.
  */
 static int cyapa_gen3_set_power_mode(struct cyapa *cyapa, u8 power_mode,
-		u16 always_unused)
+				     u16 always_unused)
 {
 	int ret;
 	u8 power;
 	int tries;
 	u16 sleep_time;
 
-	always_unused = 0;
 	if (cyapa->state != CYAPA_STATE_OP)
 		return 0;
 
diff --git a/drivers/input/mouse/cyapa_gen5.c b/drivers/input/mouse/cyapa_gen5.c
index 5b611dd71..afc39e799 100644
--- a/drivers/input/mouse/cyapa_gen5.c
+++ b/drivers/input/mouse/cyapa_gen5.c
@@ -352,7 +352,7 @@ struct gen5_app_cmd_head {
 	u8 parameter_data[0];  /* Parameter data variable based on cmd_code */
 } __packed;
 
-/* Applicaton get/set parameter command data structure */
+/* Application get/set parameter command data structure */
 struct gen5_app_set_parameter_data {
 	u8 parameter_id;
 	u8 parameter_size;
@@ -832,7 +832,7 @@ static int gen5_hid_description_header_parse(struct cyapa *cyapa, u8 *reg_data)
 	int ret;
 
 	/* 0x20 0x00 0xF7 is Gen5 Application HID Description Header;
-	 * 0x20 0x00 0xFF is Gen5 Booloader HID Description Header.
+	 * 0x20 0x00 0xFF is Gen5 Bootloader HID Description Header.
 	 *
 	 * Must read HID Description content through out,
 	 * otherwise Gen5 trackpad cannot response next command
@@ -1654,8 +1654,8 @@ static int cyapa_gen5_set_power_mode(struct cyapa *cyapa,
 		 * that trackpad unable to report signal to wake system up
 		 * in the special situation that system is in suspending, and
 		 * at the same time, user touch trackpad to wake system up.
-		 * This function can avoid the data to be buffured when system
-		 * is suspending which may cause interrput line unable to be
+		 * This function can avoid the data to be buffered when system
+		 * is suspending which may cause interrupt line unable to be
 		 * asserted again.
 		 */
 		cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL);
@@ -2546,16 +2546,11 @@ static bool cyapa_gen5_irq_cmd_handler(struct cyapa *cyapa)
 			gen5_pip->resp_sort_func(cyapa,
 				gen5_pip->irq_cmd_buf, length))) {
 			/*
-			 * Cover the Gen5 V1 firmware issue.
-			 * The issue is there is no interrut will be
-			 * asserted to notityf host to read a command
-			 * data out when always has finger touch on
-			 * trackpad during the command is issued to
-			 * trackad device.
-			 * This issue has the scenario is that,
-			 * user always has his fingers touched on
-			 * trackpad device when booting/rebooting
-			 * their chrome book.
+			 * Work around the Gen5 V1 firmware
+			 * that does not assert interrupt signalling
+			 * that command response is ready if user
+			 * keeps touching the trackpad while command
+			 * is sent to the device.
 			 */
 			length = 0;
 			if (gen5_pip->resp_len)
diff --git a/drivers/input/mouse/elan_i2c.h b/drivers/input/mouse/elan_i2c.h
index 9be9ebe40..8c8ea5680 100644
--- a/drivers/input/mouse/elan_i2c.h
+++ b/drivers/input/mouse/elan_i2c.h
@@ -28,14 +28,13 @@
 #define ETP_PRESSURE_OFFSET	25
 
 /* IAP Firmware handling */
+#define ETP_PRODUCT_ID_FORMAT_STRING	"%d.0"
 #define ETP_FW_NAME		"/*(DEBLOBBED)*/"
 #define ETP_IAP_START_ADDR	0x0083
 #define ETP_FW_IAP_PAGE_ERR	(1 << 5)
 #define ETP_FW_IAP_INTF_ERR	(1 << 4)
 #define ETP_FW_PAGE_SIZE	64
-#define ETP_FW_VAILDPAGE_COUNT	768
 #define ETP_FW_SIGNATURE_SIZE	6
-#define ETP_FW_SIGNATURE_ADDRESS	0xBFFA
 
 struct i2c_client;
 struct completion;
@@ -58,7 +57,8 @@ struct elan_transport_ops {
 				 bool max_baseliune, u8 *value);
 
 	int (*get_version)(struct i2c_client *client, bool iap, u8 *version);
-	int (*get_sm_version)(struct i2c_client *client, u8 *version);
+	int (*get_sm_version)(struct i2c_client *client,
+			      u8* ic_type, u8 *version);
 	int (*get_checksum)(struct i2c_client *client, bool iap, u16 *csum);
 	int (*get_product_id)(struct i2c_client *client, u8 *id);
 
diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c
index 7837ba0f8..4ca73013a 100644
--- a/drivers/input/mouse/elan_i2c_core.c
+++ b/drivers/input/mouse/elan_i2c_core.c
@@ -4,7 +4,7 @@
  * Copyright (c) 2013 ELAN Microelectronics Corp.
  *
  * Author: 林政維 (Duson Lin) <dusonlin@emc.com.tw>
- * Version: 1.5.7
+ * Version: 1.5.9
  *
  * Based on cyapa driver:
  * copyright (c) 2011-2012 Cypress Semiconductor, Inc.
@@ -40,7 +40,7 @@
 #include "elan_i2c.h"
 
 #define DRIVER_NAME		"elan_i2c"
-#define ELAN_DRIVER_VERSION	"1.5.7"
+#define ELAN_DRIVER_VERSION	"1.5.9"
 #define ETP_MAX_PRESSURE	255
 #define ETP_FWIDTH_REDUCE	90
 #define ETP_FINGER_WIDTH	15
@@ -83,6 +83,9 @@ struct elan_tp_data {
 	u16			fw_checksum;
 	int			pressure_adjustment;
 	u8			mode;
+	u8			ic_type;
+	u16			fw_vaildpage_count;
+	u16			fw_signature_address;
 
 	bool			irq_wake;
 
@@ -91,6 +94,29 @@ struct elan_tp_data {
 	bool			baseline_ready;
 };
 
+static int elan_get_fwinfo(u8 ic_type, u16 *vaildpage_count,
+			   u16 *signature_address)
+{
+	switch(ic_type) {
+	case 0x09:
+		*vaildpage_count = 768;
+		break;
+	case 0x0D:
+		*vaildpage_count = 896;
+		break;
+	default:
+		/* unknown ic type clear value */
+		*vaildpage_count = 0;
+		*signature_address = 0;
+		return -ENXIO;
+	}
+
+	*signature_address =
+		(*vaildpage_count * ETP_FW_PAGE_SIZE) - ETP_FW_SIGNATURE_SIZE;
+
+	return 0;
+}
+
 static int elan_enable_power(struct elan_tp_data *data)
 {
 	int repeat = ETP_RETRY_COUNT;
@@ -221,7 +247,8 @@ static int elan_query_device_info(struct elan_tp_data *data)
 	if (error)
 		return error;
 
-	error = data->ops->get_sm_version(data->client, &data->sm_version);
+	error = data->ops->get_sm_version(data->client, &data->ic_type,
+					  &data->sm_version);
 	if (error)
 		return error;
 
@@ -234,6 +261,14 @@ static int elan_query_device_info(struct elan_tp_data *data)
 	if (error)
 		return error;
 
+	error = elan_get_fwinfo(data->ic_type, &data->fw_vaildpage_count,
+				&data->fw_signature_address);
+	if (error) {
+		dev_err(&data->client->dev,
+			"unknown ic type %d\n", data->ic_type);
+		return error;
+	}
+
 	return 0;
 }
 
@@ -318,7 +353,7 @@ static int __elan_update_firmware(struct elan_tp_data *data,
 	iap_start_addr = get_unaligned_le16(&fw->data[ETP_IAP_START_ADDR * 2]);
 
 	boot_page_count = (iap_start_addr * 2) / ETP_FW_PAGE_SIZE;
-	for (i = boot_page_count; i < ETP_FW_VAILDPAGE_COUNT; i++) {
+	for (i = boot_page_count; i < data->fw_vaildpage_count; i++) {
 		u16 checksum = 0;
 		const u8 *page = &fw->data[i * ETP_FW_PAGE_SIZE];
 
@@ -403,7 +438,8 @@ static ssize_t elan_sysfs_read_product_id(struct device *dev,
 	struct i2c_client *client = to_i2c_client(dev);
 	struct elan_tp_data *data = i2c_get_clientdata(client);
 
-	return sprintf(buf, "%d.0\n", data->product_id);
+	return sprintf(buf, ETP_PRODUCT_ID_FORMAT_STRING "\n",
+		       data->product_id);
 }
 
 static ssize_t elan_sysfs_read_fw_ver(struct device *dev,
@@ -442,19 +478,28 @@ static ssize_t elan_sysfs_update_fw(struct device *dev,
 {
 	struct elan_tp_data *data = dev_get_drvdata(dev);
 	const struct firmware *fw;
+	char *fw_name;
 	int error;
 	const u8 *fw_signature;
 	static const u8 signature[] = {0xAA, 0x55, 0xCC, 0x33, 0xFF, 0xFF};
 
-	error = reject_firmware(&fw, ETP_FW_NAME, dev);
+	/* Look for a firmware with the product id appended. */
+	fw_name = kasprintf(GFP_KERNEL, ETP_FW_NAME, data->product_id);
+	if (!fw_name) {
+		dev_err(dev, "failed to allocate memory for firmware name\n");
+		return -ENOMEM;
+	}
+
+	dev_info(dev, "requesting fw '%s'\n", fw_name);
+	error = reject_firmware(&fw, fw_name, dev);
+	kfree(fw_name);
 	if (error) {
-		dev_err(dev, "cannot load firmware %s: %d\n",
-			ETP_FW_NAME, error);
+		dev_err(dev, "failed to request firmware: %d\n", error);
 		return error;
 	}
 
 	/* Firmware file must match signature data */
-	fw_signature = &fw->data[ETP_FW_SIGNATURE_ADDRESS];
+	fw_signature = &fw->data[data->fw_signature_address];
 	if (memcmp(fw_signature, signature, sizeof(signature)) != 0) {
 		dev_err(dev, "signature mismatch (expected %*ph, got %*ph)\n",
 			(int)sizeof(signature), signature,
@@ -726,7 +771,7 @@ static const struct attribute_group *elan_sysfs_groups[] = {
  */
 static void elan_report_contact(struct elan_tp_data *data,
 				int contact_num, bool contact_valid,
-				bool hover_event, u8 *finger_data)
+				u8 *finger_data)
 {
 	struct input_dev *input = data->input;
 	unsigned int pos_x, pos_y;
@@ -770,9 +815,7 @@ static void elan_report_contact(struct elan_tp_data *data,
 		input_mt_report_slot_state(input, MT_TOOL_FINGER, true);
 		input_report_abs(input, ABS_MT_POSITION_X, pos_x);
 		input_report_abs(input, ABS_MT_POSITION_Y, data->max_y - pos_y);
-		input_report_abs(input, ABS_MT_DISTANCE, hover_event);
-		input_report_abs(input, ABS_MT_PRESSURE,
-				 hover_event ? 0 : scaled_pressure);
+		input_report_abs(input, ABS_MT_PRESSURE, scaled_pressure);
 		input_report_abs(input, ABS_TOOL_WIDTH, mk_x);
 		input_report_abs(input, ABS_MT_TOUCH_MAJOR, major);
 		input_report_abs(input, ABS_MT_TOUCH_MINOR, minor);
@@ -794,14 +837,14 @@ static void elan_report_absolute(struct elan_tp_data *data, u8 *packet)
 	hover_event = hover_info & 0x40;
 	for (i = 0; i < ETP_MAX_FINGERS; i++) {
 		contact_valid = tp_info & (1U << (3 + i));
-		elan_report_contact(data, i, contact_valid, hover_event,
-				    finger_data);
+		elan_report_contact(data, i, contact_valid, finger_data);
 
 		if (contact_valid)
 			finger_data += ETP_FINGER_DATA_LEN;
 	}
 
 	input_report_key(input, BTN_LEFT, tp_info & 0x01);
+	input_report_abs(input, ABS_DISTANCE, hover_event != 0);
 	input_mt_report_pointer_emulation(input, true);
 	input_sync(input);
 }
@@ -877,6 +920,7 @@ static int elan_setup_input_device(struct elan_tp_data *data)
 	input_abs_set_res(input, ABS_Y, data->y_res);
 	input_set_abs_params(input, ABS_PRESSURE, 0, ETP_MAX_PRESSURE, 0, 0);
 	input_set_abs_params(input, ABS_TOOL_WIDTH, 0, ETP_FINGER_WIDTH, 0, 0);
+	input_set_abs_params(input, ABS_DISTANCE, 0, 1, 0, 0);
 
 	/* And MT parameters */
 	input_set_abs_params(input, ABS_MT_POSITION_X, 0, data->max_x, 0, 0);
@@ -889,7 +933,6 @@ static int elan_setup_input_device(struct elan_tp_data *data)
 			     ETP_FINGER_WIDTH * max_width, 0, 0);
 	input_set_abs_params(input, ABS_MT_TOUCH_MINOR, 0,
 			     ETP_FINGER_WIDTH * min_width, 0, 0);
-	input_set_abs_params(input, ABS_MT_DISTANCE, 0, 1, 0, 0);
 
 	data->input = input;
 
diff --git a/drivers/input/mouse/elan_i2c_i2c.c b/drivers/input/mouse/elan_i2c_i2c.c
index a0acbbf83..683c840c9 100644
--- a/drivers/input/mouse/elan_i2c_i2c.c
+++ b/drivers/input/mouse/elan_i2c_i2c.c
@@ -259,7 +259,8 @@ static int elan_i2c_get_version(struct i2c_client *client,
 	return 0;
 }
 
-static int elan_i2c_get_sm_version(struct i2c_client *client, u8 *version)
+static int elan_i2c_get_sm_version(struct i2c_client *client,
+				   u8 *ic_type, u8 *version)
 {
 	int error;
 	u8 val[3];
@@ -271,6 +272,7 @@ static int elan_i2c_get_sm_version(struct i2c_client *client, u8 *version)
 	}
 
 	*version = val[0];
+	*ic_type = val[1];
 	return 0;
 }
 
diff --git a/drivers/input/mouse/elan_i2c_smbus.c b/drivers/input/mouse/elan_i2c_smbus.c
index 30ab80dbc..ff36a366b 100644
--- a/drivers/input/mouse/elan_i2c_smbus.c
+++ b/drivers/input/mouse/elan_i2c_smbus.c
@@ -165,7 +165,8 @@ static int elan_smbus_get_version(struct i2c_client *client,
 	return 0;
 }
 
-static int elan_smbus_get_sm_version(struct i2c_client *client, u8 *version)
+static int elan_smbus_get_sm_version(struct i2c_client *client,
+				     u8 *ic_type, u8 *version)
 {
 	int error;
 	u8 val[3];
@@ -177,7 +178,8 @@ static int elan_smbus_get_sm_version(struct i2c_client *client, u8 *version)
 		return error;
 	}
 
-	*version = val[0]; /* XXX Why 0 and not 2 as in IAP/FW versions? */
+	*version = val[0];
+	*ic_type = val[1];
 	return 0;
 }
 
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index ce3d40004..2955f1d0c 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -783,19 +783,26 @@ static int elantech_packet_check_v4(struct psmouse *psmouse)
 	struct elantech_data *etd = psmouse->private;
 	unsigned char *packet = psmouse->packet;
 	unsigned char packet_type = packet[3] & 0x03;
+	unsigned int ic_version;
 	bool sanity_check;
 
 	if (etd->tp_dev && (packet[3] & 0x0f) == 0x06)
 		return PACKET_TRACKPOINT;
 
+	/* This represents the version of IC body. */
+	ic_version = (etd->fw_version & 0x0f0000) >> 16;
+
 	/*
 	 * Sanity check based on the constant bits of a packet.
 	 * The constant bits change depending on the value of
-	 * the hardware flag 'crc_enabled' but are the same for
-	 * every packet, regardless of the type.
+	 * the hardware flag 'crc_enabled' and the version of
+	 * the IC body, but are the same for every packet,
+	 * regardless of the type.
 	 */
 	if (etd->crc_enabled)
 		sanity_check = ((packet[3] & 0x08) == 0x00);
+	else if (ic_version == 7 && etd->samples[1] == 0x2A)
+		sanity_check = ((packet[3] & 0x1c) == 0x10);
 	else
 		sanity_check = ((packet[0] & 0x0c) == 0x04 &&
 				(packet[3] & 0x1c) == 0x10);
@@ -1116,6 +1123,7 @@ static int elantech_get_resolution_v4(struct psmouse *psmouse,
  * Avatar AVIU-145A2       0x361f00        ?               clickpad
  * Fujitsu LIFEBOOK E544   0x470f00        d0, 12, 09      2 hw buttons
  * Fujitsu LIFEBOOK E554   0x570f01        40, 14, 0c      2 hw buttons
+ * Fujitsu T725            0x470f01        05, 12, 09      2 hw buttons
  * Fujitsu H730            0x570f00        c0, 14, 0c      3 hw buttons (**)
  * Gigabyte U2442          0x450f01        58, 17, 0c      2 hw buttons
  * Lenovo L430             0x350f02        b9, 15, 0c      2 hw buttons (*)
@@ -1167,7 +1175,7 @@ static int elantech_set_input_params(struct psmouse *psmouse)
 	struct input_dev *dev = psmouse->dev;
 	struct elantech_data *etd = psmouse->private;
 	unsigned int x_min = 0, y_min = 0, x_max = 0, y_max = 0, width = 0;
-	unsigned int x_res = 0, y_res = 0;
+	unsigned int x_res = 31, y_res = 31;
 
 	if (elantech_set_range(psmouse, &x_min, &y_min, &x_max, &y_max, &width))
 		return -1;
@@ -1232,8 +1240,6 @@ static int elantech_set_input_params(struct psmouse *psmouse)
 		/* For X to recognize me as touchpad. */
 		input_set_abs_params(dev, ABS_X, x_min, x_max, 0, 0);
 		input_set_abs_params(dev, ABS_Y, y_min, y_max, 0, 0);
-		input_abs_set_res(dev, ABS_X, x_res);
-		input_abs_set_res(dev, ABS_Y, y_res);
 		/*
 		 * range of pressure and width is the same as v2,
 		 * report ABS_PRESSURE, ABS_TOOL_WIDTH for compatibility.
@@ -1246,8 +1252,6 @@ static int elantech_set_input_params(struct psmouse *psmouse)
 		input_mt_init_slots(dev, ETP_MAX_FINGERS, 0);
 		input_set_abs_params(dev, ABS_MT_POSITION_X, x_min, x_max, 0, 0);
 		input_set_abs_params(dev, ABS_MT_POSITION_Y, y_min, y_max, 0, 0);
-		input_abs_set_res(dev, ABS_MT_POSITION_X, x_res);
-		input_abs_set_res(dev, ABS_MT_POSITION_Y, y_res);
 		input_set_abs_params(dev, ABS_MT_PRESSURE, ETP_PMIN_V2,
 				     ETP_PMAX_V2, 0, 0);
 		/*
@@ -1259,6 +1263,13 @@ static int elantech_set_input_params(struct psmouse *psmouse)
 		break;
 	}
 
+	input_abs_set_res(dev, ABS_X, x_res);
+	input_abs_set_res(dev, ABS_Y, y_res);
+	if (etd->hw_version > 1) {
+		input_abs_set_res(dev, ABS_MT_POSITION_X, x_res);
+		input_abs_set_res(dev, ABS_MT_POSITION_Y, y_res);
+	}
+
 	etd->y_max = y_max;
 	etd->width = width;
 
@@ -1648,6 +1659,16 @@ int elantech_init(struct psmouse *psmouse)
 		     etd->capabilities[0], etd->capabilities[1],
 		     etd->capabilities[2]);
 
+	if (etd->hw_version != 1) {
+		if (etd->send_cmd(psmouse, ETP_SAMPLE_QUERY, etd->samples)) {
+			psmouse_err(psmouse, "failed to query sample data\n");
+			goto init_fail;
+		}
+		psmouse_info(psmouse,
+			     "Elan sample query result %02x, %02x, %02x\n",
+			     etd->samples[0], etd->samples[1], etd->samples[2]);
+	}
+
 	if (elantech_set_absolute_mode(psmouse)) {
 		psmouse_err(psmouse,
 			    "failed to put touchpad into absolute mode.\n");
diff --git a/drivers/input/mouse/elantech.h b/drivers/input/mouse/elantech.h
index f965d1569..e1cbf409d 100644
--- a/drivers/input/mouse/elantech.h
+++ b/drivers/input/mouse/elantech.h
@@ -129,6 +129,7 @@ struct elantech_data {
 	unsigned char reg_26;
 	unsigned char debug;
 	unsigned char capabilities[3];
+	unsigned char samples[3];
 	bool paritycheck;
 	bool jumpy_cursor;
 	bool reports_pressure;
diff --git a/drivers/input/mouse/focaltech.c b/drivers/input/mouse/focaltech.c
index 23d259416..4d5576de8 100644
--- a/drivers/input/mouse/focaltech.c
+++ b/drivers/input/mouse/focaltech.c
@@ -103,6 +103,16 @@ struct focaltech_hw_state {
 	 */
 	struct focaltech_finger_state fingers[FOC_MAX_FINGERS];
 
+	/*
+	 * Finger width 0-7 and 15 for a very big contact area.
+	 * 15 value stays until the finger is released.
+	 * Width is reported only in absolute packets.
+	 * Since hardware reports width only for last touching finger,
+	 * there is no need to store width for every specific finger,
+	 * so we keep only last value reported.
+	 */
+	unsigned int width;
+
 	/* True if the clickpad has been pressed. */
 	bool pressed;
 };
@@ -137,6 +147,7 @@ static void focaltech_report_state(struct psmouse *psmouse)
 			input_report_abs(dev, ABS_MT_POSITION_X, clamped_x);
 			input_report_abs(dev, ABS_MT_POSITION_Y,
 					 priv->y_max - clamped_y);
+			input_report_abs(dev, ABS_TOOL_WIDTH, state->width);
 		}
 	}
 	input_mt_report_pointer_emulation(dev, true);
@@ -187,6 +198,7 @@ static void focaltech_process_abs_packet(struct psmouse *psmouse,
 
 	state->fingers[finger].x = ((packet[1] & 0xf) << 8) | packet[2];
 	state->fingers[finger].y = (packet[3] << 8) | packet[4];
+	state->width = packet[5] >> 4;
 	state->fingers[finger].valid = true;
 }
 
@@ -331,6 +343,7 @@ static void focaltech_set_input_params(struct psmouse *psmouse)
 	__set_bit(EV_ABS, dev->evbit);
 	input_set_abs_params(dev, ABS_MT_POSITION_X, 0, priv->x_max, 0, 0);
 	input_set_abs_params(dev, ABS_MT_POSITION_Y, 0, priv->y_max, 0, 0);
+	input_set_abs_params(dev, ABS_TOOL_WIDTH, 0, 15, 0, 0);
 	input_mt_init_slots(dev, 5, INPUT_MT_POINTER);
 	__set_bit(INPUT_PROP_BUTTONPAD, dev->propbit);
 }
diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
index 5bb1658f6..ec3477036 100644
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@@ -47,7 +47,7 @@ MODULE_LICENSE("GPL");
 static unsigned int psmouse_max_proto = PSMOUSE_AUTO;
 static int psmouse_set_maxproto(const char *val, const struct kernel_param *);
 static int psmouse_get_maxproto(char *buffer, const struct kernel_param *kp);
-static struct kernel_param_ops param_ops_proto_abbrev = {
+static const struct kernel_param_ops param_ops_proto_abbrev = {
 	.set = psmouse_set_maxproto,
 	.get = psmouse_get_maxproto,
 };
@@ -63,7 +63,7 @@ static unsigned int psmouse_rate = 100;
 module_param_named(rate, psmouse_rate, uint, 0644);
 MODULE_PARM_DESC(rate, "Report rate, in reports per second.");
 
-static bool psmouse_smartscroll = 1;
+static bool psmouse_smartscroll = true;
 module_param_named(smartscroll, psmouse_smartscroll, bool, 0644);
 MODULE_PARM_DESC(smartscroll, "Logitech Smartscroll autorepeat, 1 = enabled (default), 0 = disabled.");
 
diff --git a/drivers/input/mouse/sentelic.h b/drivers/input/mouse/sentelic.h
index aa697ece4..42df9e3be 100644
--- a/drivers/input/mouse/sentelic.h
+++ b/drivers/input/mouse/sentelic.h
@@ -123,11 +123,11 @@ struct fsp_data {
 extern int fsp_detect(struct psmouse *psmouse, bool set_properties);
 extern int fsp_init(struct psmouse *psmouse);
 #else
-inline int fsp_detect(struct psmouse *psmouse, bool set_properties)
+static inline int fsp_detect(struct psmouse *psmouse, bool set_properties)
 {
 	return -ENOSYS;
 }
-inline int fsp_init(struct psmouse *psmouse)
+static inline int fsp_init(struct psmouse *psmouse)
 {
 	return -ENOSYS;
 }
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index 287208c45..e678212f1 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -1486,12 +1486,12 @@ static int __synaptics_init(struct psmouse *psmouse, bool absolute_mode)
 	priv->pkt_type = SYN_MODEL_NEWABS(priv->model_id) ? SYN_NEWABS : SYN_OLDABS;
 
 	psmouse_info(psmouse,
-		     "Touchpad model: %ld, fw: %ld.%ld, id: %#lx, caps: %#lx/%#lx/%#lx, board id: %lu, fw id: %lu\n",
+		     "Touchpad model: %ld, fw: %ld.%ld, id: %#lx, caps: %#lx/%#lx/%#lx/%#lx, board id: %lu, fw id: %lu\n",
 		     SYN_ID_MODEL(priv->identity),
 		     SYN_ID_MAJOR(priv->identity), SYN_ID_MINOR(priv->identity),
 		     priv->model_id,
 		     priv->capabilities, priv->ext_cap, priv->ext_cap_0c,
-		     priv->board_id, priv->firmware_id);
+		     priv->ext_cap_10, priv->board_id, priv->firmware_id);
 
 	set_input_params(psmouse, priv);
 
diff --git a/drivers/input/mouse/synaptics_i2c.c b/drivers/input/mouse/synaptics_i2c.c
index 878f18498..ffceedcaf 100644
--- a/drivers/input/mouse/synaptics_i2c.c
+++ b/drivers/input/mouse/synaptics_i2c.c
@@ -185,7 +185,7 @@
 #define NO_DATA_SLEEP_MSECS	(MSEC_PER_SEC / 4)
 
 /* Control touchpad's No Deceleration option */
-static bool no_decel = 1;
+static bool no_decel = true;
 module_param(no_decel, bool, 0644);
 MODULE_PARM_DESC(no_decel, "No Deceleration. Default = 1 (on)");
 
@@ -340,9 +340,9 @@ static bool synaptics_i2c_get_input(struct synaptics_i2c *touch)
 	s32 data;
 	s8 x_delta, y_delta;
 
-	/* Deal with spontanious resets and errors */
+	/* Deal with spontaneous resets and errors */
 	if (synaptics_i2c_check_error(touch->client))
-		return 0;
+		return false;
 
 	/* Get Gesture Bit */
 	data = synaptics_i2c_reg_get(touch->client, DATA_REG0);