diff options
Diffstat (limited to 'drivers/input/mouse/synaptics.c')
| -rw-r--r-- | drivers/input/mouse/synaptics.c | 124 |
1 files changed, 107 insertions, 17 deletions
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c index 8e9360ab4ec..e6e59c59391 100644 --- a/drivers/input/mouse/synaptics.c +++ b/drivers/input/mouse/synaptics.c @@ -304,7 +304,8 @@ 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)) + if (!(SYN_CAP_ADV_GESTURE(priv->ext_cap_0c) || + SYN_CAP_IMAGE_SENSOR(priv->ext_cap_0c))) return 0; if (psmouse_sliced_command(psmouse, SYN_QUE_MODEL)) @@ -463,7 +464,9 @@ static int synaptics_parse_hw_state(const unsigned char buf[], hw->down = ((buf[0] ^ buf[3]) & 0x02) ? 1 : 0; } - if (SYN_CAP_ADV_GESTURE(priv->ext_cap_0c) && hw->w == 2) { + if ((SYN_CAP_ADV_GESTURE(priv->ext_cap_0c) || + SYN_CAP_IMAGE_SENSOR(priv->ext_cap_0c)) && + hw->w == 2) { synaptics_parse_agm(buf, priv); return 1; } @@ -543,6 +546,94 @@ static void synaptics_report_semi_mt_data(struct input_dev *dev, } } +static void synaptics_report_buttons(struct psmouse *psmouse, + const struct synaptics_hw_state *hw) +{ + struct input_dev *dev = psmouse->dev; + struct synaptics_data *priv = psmouse->private; + int i; + + input_report_key(dev, BTN_LEFT, hw->left); + input_report_key(dev, BTN_RIGHT, hw->right); + + if (SYN_CAP_MIDDLE_BUTTON(priv->capabilities)) + input_report_key(dev, BTN_MIDDLE, hw->middle); + + if (SYN_CAP_FOUR_BUTTON(priv->capabilities)) { + input_report_key(dev, BTN_FORWARD, hw->up); + input_report_key(dev, BTN_BACK, hw->down); + } + + for (i = 0; i < SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap); i++) + input_report_key(dev, BTN_0 + i, hw->ext_buttons & (1 << i)); +} + +static void synaptics_report_slot(struct input_dev *dev, int slot, + const struct synaptics_hw_state *hw) +{ + input_mt_slot(dev, slot); + input_mt_report_slot_state(dev, MT_TOOL_FINGER, (hw != NULL)); + if (!hw) + return; + + input_report_abs(dev, ABS_MT_POSITION_X, hw->x); + input_report_abs(dev, ABS_MT_POSITION_Y, synaptics_invert_y(hw->y)); + input_report_abs(dev, ABS_MT_PRESSURE, hw->z); +} + +static void synaptics_report_mt_data(struct psmouse *psmouse, + int count, + const struct synaptics_hw_state *sgm) +{ + struct input_dev *dev = psmouse->dev; + struct synaptics_data *priv = psmouse->private; + struct synaptics_hw_state *agm = &priv->agm; + + switch (count) { + case 0: + synaptics_report_slot(dev, 0, NULL); + synaptics_report_slot(dev, 1, NULL); + break; + case 1: + synaptics_report_slot(dev, 0, sgm); + synaptics_report_slot(dev, 1, NULL); + break; + case 2: + case 3: /* Fall-through case */ + synaptics_report_slot(dev, 0, sgm); + synaptics_report_slot(dev, 1, agm); + break; + } + + /* Don't use active slot count to generate BTN_TOOL events. */ + input_mt_report_pointer_emulation(dev, false); + + /* Send the number of fingers reported by touchpad itself. */ + input_mt_report_finger_count(dev, count); + + synaptics_report_buttons(psmouse, sgm); + + input_sync(dev); +} + +static void synaptics_image_sensor_process(struct psmouse *psmouse, + struct synaptics_hw_state *sgm) +{ + int count; + + if (sgm->z == 0) + count = 0; + else if (sgm->w >= 4) + count = 1; + else if (sgm->w == 0) + count = 2; + else + count = 3; + + /* Send resulting input events to user space */ + synaptics_report_mt_data(psmouse, count, sgm); +} + /* * called for each full received packet from the touchpad */ @@ -553,11 +644,15 @@ static void synaptics_process_packet(struct psmouse *psmouse) struct synaptics_hw_state hw; int num_fingers; int finger_width; - int i; if (synaptics_parse_hw_state(psmouse->packet, priv, &hw)) return; + if (SYN_CAP_IMAGE_SENSOR(priv->ext_cap_0c)) { + synaptics_image_sensor_process(psmouse, &hw); + return; + } + if (hw.scroll) { priv->scroll += hw.scroll; @@ -623,24 +718,12 @@ static void synaptics_process_packet(struct psmouse *psmouse) input_report_abs(dev, ABS_TOOL_WIDTH, finger_width); input_report_key(dev, BTN_TOOL_FINGER, num_fingers == 1); - input_report_key(dev, BTN_LEFT, hw.left); - input_report_key(dev, BTN_RIGHT, hw.right); - if (SYN_CAP_MULTIFINGER(priv->capabilities)) { input_report_key(dev, BTN_TOOL_DOUBLETAP, num_fingers == 2); input_report_key(dev, BTN_TOOL_TRIPLETAP, num_fingers == 3); } - if (SYN_CAP_MIDDLE_BUTTON(priv->capabilities)) - input_report_key(dev, BTN_MIDDLE, hw.middle); - - if (SYN_CAP_FOUR_BUTTON(priv->capabilities)) { - input_report_key(dev, BTN_FORWARD, hw.up); - input_report_key(dev, BTN_BACK, hw.down); - } - - for (i = 0; i < SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap); i++) - input_report_key(dev, BTN_0 + i, hw.ext_buttons & (1 << i)); + synaptics_report_buttons(psmouse, &hw); input_sync(dev); } @@ -739,7 +822,14 @@ static void set_input_params(struct input_dev *dev, struct synaptics_data *priv) set_abs_position_params(dev, priv, ABS_X, ABS_Y); input_set_abs_params(dev, ABS_PRESSURE, 0, 255, 0, 0); - if (SYN_CAP_ADV_GESTURE(priv->ext_cap_0c)) { + if (SYN_CAP_IMAGE_SENSOR(priv->ext_cap_0c)) { + input_mt_init_slots(dev, 2); + set_abs_position_params(dev, priv, ABS_MT_POSITION_X, + ABS_MT_POSITION_Y); + /* Image sensors can report per-contact pressure */ + input_set_abs_params(dev, ABS_MT_PRESSURE, 0, 255, 0, 0); + } else if (SYN_CAP_ADV_GESTURE(priv->ext_cap_0c)) { + /* Non-image sensors with AGM use semi-mt */ __set_bit(INPUT_PROP_SEMI_MT, dev->propbit); input_mt_init_slots(dev, 2); set_abs_position_params(dev, priv, ABS_MT_POSITION_X, |