@@ -25,7 +25,7 @@
#include <linux/module.h>
#include <linux/dmi.h>
-#include <linux/input.h>
+#include <linux/input/mt.h>
#include <linux/serio.h>
#include <linux/libps2.h>
#include <linux/slab.h>
@@ -279,6 +279,25 @@ static void synaptics_set_rate(struct psmouse *psmouse, unsigned int rate)
synaptics_mode_cmd(psmouse, priv->mode);
}
+static int synaptics_set_advanced_gesture_mode(struct psmouse *psmouse)
+{
+ static unsigned char param = 0xc8;
+ struct synaptics_data *priv = psmouse->private;
+
+ if (!SYN_CAP_ADV_GESTURE(priv->ext_cap_0c))
+ return 0;
+
+ if (psmouse_sliced_command(psmouse, SYN_QUE_MODEL))
+ return -1;
+ if (ps2_command(&psmouse->ps2dev, ¶m, PSMOUSE_CMD_SETRATE))
+ return -1;
+
+ /* Advanced gesture mode also sends multi finger data */
+ priv->capabilities |= BIT(1);
+
+ return 0;
+}
+
/*****************************************************************************
* Synaptics pass-through PS/2 port support
****************************************************************************/
@@ -380,7 +399,9 @@ static void synaptics_pt_create(struct psmouse *psmouse)
* Functions to interpret the absolute mode packets
****************************************************************************/
-static void synaptics_parse_hw_state(unsigned char buf[], struct synaptics_data *priv, struct synaptics_hw_state *hw)
+static int synaptics_parse_hw_state(const unsigned char buf[],
+ struct synaptics_data *priv,
+ struct synaptics_hw_state *hw)
{
memset(hw, 0, sizeof(struct synaptics_hw_state));
@@ -397,6 +418,14 @@ static void synaptics_parse_hw_state(unsigned char buf[], struct synaptics_data
((buf[0] & 0x04) >> 1) |
((buf[3] & 0x04) >> 2));
+ if (SYN_CAP_ADV_GESTURE(priv->ext_cap_0c) && hw->w == 2) {
+ /* Gesture packet: (x, y, z) at half resolution */
+ priv->mt.x = (((buf[4] & 0x0f) << 8) | buf[1]) << 1;
+ priv->mt.y = (((buf[4] & 0xf0) << 4) | buf[2]) << 1;
+ priv->mt.z = ((buf[3] & 0x30) | (buf[5] & 0x0f)) << 1;
+ return 1;
+ }
+
hw->left = (buf[0] & 0x01) ? 1 : 0;
hw->right = (buf[0] & 0x02) ? 1 : 0;
@@ -452,6 +481,36 @@ static void synaptics_parse_hw_state(unsigned char buf[], struct synaptics_data
hw->left = (buf[0] & 0x01) ? 1 : 0;
hw->right = (buf[0] & 0x02) ? 1 : 0;
}
+
+ return 0;
+}
+
+static void set_slot(struct input_dev *dev, int slot, bool active, int x, int y)
+{
+ input_mt_slot(dev, slot);
+ input_mt_report_slot_state(dev, MT_TOOL_FINGER, active);
+ if (active) {
+ input_report_abs(dev, ABS_MT_POSITION_X, x);
+ input_report_abs(dev, ABS_MT_POSITION_Y,
+ YMAX_NOMINAL + YMIN_NOMINAL - y);
+ }
+}
+
+static void synaptics_report_semi_mt_data(struct input_dev *dev,
+ const struct synaptics_hw_state *a,
+ const struct synaptics_hw_state *b,
+ int num_fingers)
+{
+ if (num_fingers >= 2) {
+ set_slot(dev, 0, true, min(a->x, b->x), min(a->y, b->y));
+ set_slot(dev, 1, true, max(a->x, b->x), max(a->y, b->y));
+ } else if (num_fingers == 1) {
+ set_slot(dev, 0, true, a->x, a->y);
+ set_slot(dev, 1, false, 0, 0);
+ } else {
+ set_slot(dev, 0, false, 0, 0);
+ set_slot(dev, 1, false, 0, 0);
+ }
}
/*
@@ -466,7 +525,8 @@ static void synaptics_process_packet(struct psmouse *psmouse)
int finger_width;
int i;
- synaptics_parse_hw_state(psmouse->packet, priv, &hw);
+ if (synaptics_parse_hw_state(psmouse->packet, priv, &hw))
+ return;
if (hw.scroll) {
priv->scroll += hw.scroll;
@@ -512,6 +572,9 @@ static void synaptics_process_packet(struct psmouse *psmouse)
finger_width = 0;
}
+ if (SYN_CAP_ADV_GESTURE(priv->ext_cap_0c))
+ synaptics_report_semi_mt_data(dev, &hw, &priv->mt, num_fingers);
+
/* Post events
* BTN_TOUCH has to be first as mousedev relies on it when doing
* absolute -> relative conversion
@@ -631,6 +694,15 @@ static void set_input_params(struct input_dev *dev, struct synaptics_data *priv)
YMIN_NOMINAL, priv->y_max ?: YMAX_NOMINAL, 0, 0);
input_set_abs_params(dev, ABS_PRESSURE, 0, 255, 0, 0);
+ if (SYN_CAP_ADV_GESTURE(priv->ext_cap_0c)) {
+ __set_bit(INPUT_PROP_SEMI_MT, dev->propbit);
+ input_mt_init_slots(dev, 2);
+ input_set_abs_params(dev, ABS_MT_POSITION_X, XMIN_NOMINAL,
+ priv->x_max ?: XMAX_NOMINAL, 0, 0);
+ input_set_abs_params(dev, ABS_MT_POSITION_Y, YMIN_NOMINAL,
+ priv->y_max ?: YMAX_NOMINAL, 0, 0);
+ }
+
if (SYN_CAP_PALMDETECT(priv->capabilities))
input_set_abs_params(dev, ABS_TOOL_WIDTH, 0, 15, 0, 0);
@@ -705,6 +777,11 @@ static int synaptics_reconnect(struct psmouse *psmouse)
return -1;
}
+ if (synaptics_set_advanced_gesture_mode(psmouse)) {
+ printk(KERN_ERR "Advanced gesture mode reconnect failed.\n");
+ return -1;
+ }
+
return 0;
}
@@ -772,6 +849,11 @@ int synaptics_init(struct psmouse *psmouse)
goto init_fail;
}
+ if (synaptics_set_advanced_gesture_mode(psmouse)) {
+ printk(KERN_ERR "Advanced gesture mode init failed.\n");
+ goto init_fail;
+ }
+
priv->pkt_type = SYN_MODEL_NEWABS(priv->model_id) ? SYN_NEWABS : SYN_OLDABS;
printk(KERN_INFO "Synaptics Touchpad, model: %ld, fw: %ld.%ld, id: %#lx, caps: %#lx/%#lx/%#lx\n",
@@ -53,6 +53,7 @@
#define SYN_CAP_PRODUCT_ID(ec) (((ec) & 0xff0000) >> 16)
#define SYN_CAP_CLICKPAD(ex0c) ((ex0c) & 0x100100)
#define SYN_CAP_MAX_DIMENSIONS(ex0c) ((ex0c) & 0x020000)
+#define SYN_CAP_ADV_GESTURE(ex0c) ((ex0c) & 0x080000)
/* synaptics modes query bits */
#define SYN_MODE_ABSOLUTE(m) ((m) & (1 << 7))
@@ -112,6 +113,8 @@ struct synaptics_data {
int scroll;
struct serio *pt_port; /* Pass-through serio port */
+
+ struct synaptics_hw_state mt; /* current gesture packet */
};
void synaptics_module_init(void);