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Diffstat (limited to 'drivers/input/mouse/synaptics.c')
-rw-r--r--drivers/input/mouse/synaptics.c610
1 files changed, 524 insertions, 86 deletions
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index 5538fc657af1..c080b828e5dc 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -44,6 +44,16 @@
#define YMIN_NOMINAL 1408
#define YMAX_NOMINAL 4448
+/*
+ * Synaptics touchpads report the y coordinate from bottom to top, which is
+ * opposite from what userspace expects.
+ * This function is used to invert y before reporting.
+ */
+static int synaptics_invert_y(int y)
+{
+ return YMAX_NOMINAL + YMIN_NOMINAL - y;
+}
+
/*****************************************************************************
* Stuff we need even when we do not want native Synaptics support
@@ -157,8 +167,8 @@ static int synaptics_capability(struct psmouse *psmouse)
if (SYN_EXT_CAP_REQUESTS(priv->capabilities) >= 1) {
if (synaptics_send_cmd(psmouse, SYN_QUE_EXT_CAPAB, cap)) {
- printk(KERN_ERR "Synaptics claims to have extended capabilities,"
- " but I'm not able to read them.\n");
+ psmouse_warn(psmouse,
+ "device claims to have extended capabilities, but I'm not able to read them.\n");
} else {
priv->ext_cap = (cap[0] << 16) | (cap[1] << 8) | cap[2];
@@ -173,8 +183,8 @@ static int synaptics_capability(struct psmouse *psmouse)
if (SYN_EXT_CAP_REQUESTS(priv->capabilities) >= 4) {
if (synaptics_send_cmd(psmouse, SYN_QUE_EXT_CAPAB_0C, cap)) {
- printk(KERN_ERR "Synaptics claims to have extended capability 0x0c,"
- " but I'm not able to read it.\n");
+ psmouse_warn(psmouse,
+ "device claims to have extended capability 0x0c, but I'm not able to read it.\n");
} else {
priv->ext_cap_0c = (cap[0] << 16) | (cap[1] << 8) | cap[2];
}
@@ -222,8 +232,8 @@ static int synaptics_resolution(struct psmouse *psmouse)
if (SYN_EXT_CAP_REQUESTS(priv->capabilities) >= 5 &&
SYN_CAP_MAX_DIMENSIONS(priv->ext_cap_0c)) {
if (synaptics_send_cmd(psmouse, SYN_QUE_EXT_MAX_COORDS, resp)) {
- printk(KERN_ERR "Synaptics claims to have max coordinates"
- " query, but I'm not able to read it.\n");
+ psmouse_warn(psmouse,
+ "device claims to have max coordinates query, but I'm not able to read it.\n");
} else {
priv->x_max = (resp[0] << 5) | ((resp[1] & 0x0f) << 1);
priv->y_max = (resp[2] << 5) | ((resp[1] & 0xf0) >> 3);
@@ -233,8 +243,8 @@ static int synaptics_resolution(struct psmouse *psmouse)
if (SYN_EXT_CAP_REQUESTS(priv->capabilities) >= 7 &&
SYN_CAP_MIN_DIMENSIONS(priv->ext_cap_0c)) {
if (synaptics_send_cmd(psmouse, SYN_QUE_EXT_MIN_COORDS, resp)) {
- printk(KERN_ERR "Synaptics claims to have min coordinates"
- " query, but I'm not able to read it.\n");
+ psmouse_warn(psmouse,
+ "device claims to have min coordinates query, but I'm not able to read it.\n");
} else {
priv->x_min = (resp[0] << 5) | ((resp[1] & 0x0f) << 1);
priv->y_min = (resp[2] << 5) | ((resp[1] & 0xf0) >> 3);
@@ -294,7 +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))
@@ -377,7 +388,8 @@ static void synaptics_pt_activate(struct psmouse *psmouse)
priv->mode &= ~SYN_BIT_FOUR_BYTE_CLIENT;
if (synaptics_mode_cmd(psmouse, priv->mode))
- printk(KERN_INFO "synaptics: failed to switch guest protocol\n");
+ psmouse_warn(psmouse,
+ "failed to switch guest protocol\n");
}
}
@@ -387,7 +399,8 @@ static void synaptics_pt_create(struct psmouse *psmouse)
serio = kzalloc(sizeof(struct serio), GFP_KERNEL);
if (!serio) {
- printk(KERN_ERR "synaptics: not enough memory to allocate pass-through port\n");
+ psmouse_err(psmouse,
+ "not enough memory for pass-through port\n");
return;
}
@@ -401,7 +414,8 @@ static void synaptics_pt_create(struct psmouse *psmouse)
psmouse->pt_activate = synaptics_pt_activate;
- printk(KERN_INFO "serio: %s port at %s\n", serio->name, psmouse->phys);
+ psmouse_info(psmouse, "serio: %s port at %s\n",
+ serio->name, psmouse->phys);
serio_register_port(serio);
}
@@ -409,6 +423,44 @@ static void synaptics_pt_create(struct psmouse *psmouse)
* Functions to interpret the absolute mode packets
****************************************************************************/
+static void synaptics_mt_state_set(struct synaptics_mt_state *state, int count,
+ int sgm, int agm)
+{
+ state->count = count;
+ state->sgm = sgm;
+ state->agm = agm;
+}
+
+static void synaptics_parse_agm(const unsigned char buf[],
+ struct synaptics_data *priv,
+ struct synaptics_hw_state *hw)
+{
+ struct synaptics_hw_state *agm = &priv->agm;
+ int agm_packet_type;
+
+ agm_packet_type = (buf[5] & 0x30) >> 4;
+ switch (agm_packet_type) {
+ case 1:
+ /* Gesture packet: (x, y, z) half resolution */
+ agm->w = hw->w;
+ agm->x = (((buf[4] & 0x0f) << 8) | buf[1]) << 1;
+ agm->y = (((buf[4] & 0xf0) << 4) | buf[2]) << 1;
+ agm->z = ((buf[3] & 0x30) | (buf[5] & 0x0f)) << 1;
+ break;
+
+ case 2:
+ /* AGM-CONTACT packet: (count, sgm, agm) */
+ synaptics_mt_state_set(&agm->mt_state, buf[1], buf[2], buf[4]);
+ break;
+
+ default:
+ break;
+ }
+
+ /* Record that at least one AGM has been received since last SGM */
+ priv->agm_pending = true;
+}
+
static int synaptics_parse_hw_state(const unsigned char buf[],
struct synaptics_data *priv,
struct synaptics_hw_state *hw)
@@ -442,11 +494,10 @@ 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) {
- /* 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;
+ 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, hw);
return 1;
}
@@ -502,8 +553,7 @@ static void synaptics_report_semi_mt_slot(struct input_dev *dev, int 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);
+ input_report_abs(dev, ABS_MT_POSITION_Y, synaptics_invert_y(y));
}
}
@@ -526,6 +576,388 @@ 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,
+ struct synaptics_mt_state *mt_state,
+ 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;
+ struct synaptics_mt_state *old = &priv->mt_state;
+
+ switch (mt_state->count) {
+ case 0:
+ synaptics_report_slot(dev, 0, NULL);
+ synaptics_report_slot(dev, 1, NULL);
+ break;
+ case 1:
+ if (mt_state->sgm == -1) {
+ synaptics_report_slot(dev, 0, NULL);
+ synaptics_report_slot(dev, 1, NULL);
+ } else if (mt_state->sgm == 0) {
+ synaptics_report_slot(dev, 0, sgm);
+ synaptics_report_slot(dev, 1, NULL);
+ } else {
+ synaptics_report_slot(dev, 0, NULL);
+ synaptics_report_slot(dev, 1, sgm);
+ }
+ break;
+ default:
+ /*
+ * If the finger slot contained in SGM is valid, and either
+ * hasn't changed, or is new, then report SGM in MTB slot 0.
+ * Otherwise, empty MTB slot 0.
+ */
+ if (mt_state->sgm != -1 &&
+ (mt_state->sgm == old->sgm || old->sgm == -1))
+ synaptics_report_slot(dev, 0, sgm);
+ else
+ synaptics_report_slot(dev, 0, NULL);
+
+ /*
+ * If the finger slot contained in AGM is valid, and either
+ * hasn't changed, or is new, then report AGM in MTB slot 1.
+ * Otherwise, empty MTB slot 1.
+ */
+ if (mt_state->agm != -1 &&
+ (mt_state->agm == old->agm || old->agm == -1))
+ synaptics_report_slot(dev, 1, agm);
+ else
+ synaptics_report_slot(dev, 1, NULL);
+ 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, mt_state->count);
+
+ synaptics_report_buttons(psmouse, sgm);
+
+ input_sync(dev);
+}
+
+/* Handle case where mt_state->count = 0 */
+static void synaptics_image_sensor_0f(struct synaptics_data *priv,
+ struct synaptics_mt_state *mt_state)
+{
+ synaptics_mt_state_set(mt_state, 0, -1, -1);
+ priv->mt_state_lost = false;
+}
+
+/* Handle case where mt_state->count = 1 */
+static void synaptics_image_sensor_1f(struct synaptics_data *priv,
+ struct synaptics_mt_state *mt_state)
+{
+ struct synaptics_hw_state *agm = &priv->agm;
+ struct synaptics_mt_state *old = &priv->mt_state;
+
+ /*
+ * If the last AGM was (0,0,0), and there is only one finger left,
+ * then we absolutely know that SGM contains slot 0, and all other
+ * fingers have been removed.
+ */
+ if (priv->agm_pending && agm->z == 0) {
+ synaptics_mt_state_set(mt_state, 1, 0, -1);
+ priv->mt_state_lost = false;
+ return;
+ }
+
+ switch (old->count) {
+ case 0:
+ synaptics_mt_state_set(mt_state, 1, 0, -1);
+ break;
+ case 1:
+ /*
+ * If mt_state_lost, then the previous transition was 3->1,
+ * and SGM now contains either slot 0 or 1, but we don't know
+ * which. So, we just assume that the SGM now contains slot 1.
+ *
+ * If pending AGM and either:
+ * (a) the previous SGM slot contains slot 0, or
+ * (b) there was no SGM slot
+ * then, the SGM now contains slot 1
+ *
+ * Case (a) happens with very rapid "drum roll" gestures, where
+ * slot 0 finger is lifted and a new slot 1 finger touches
+ * within one reporting interval.
+ *
+ * Case (b) happens if initially two or more fingers tap
+ * briefly, and all but one lift before the end of the first
+ * reporting interval.
+ *
+ * (In both these cases, slot 0 will becomes empty, so SGM
+ * contains slot 1 with the new finger)
+ *
+ * Else, if there was no previous SGM, it now contains slot 0.
+ *
+ * Otherwise, SGM still contains the same slot.
+ */
+ if (priv->mt_state_lost ||
+ (priv->agm_pending && old->sgm <= 0))
+ synaptics_mt_state_set(mt_state, 1, 1, -1);
+ else if (old->sgm == -1)
+ synaptics_mt_state_set(mt_state, 1, 0, -1);
+ break;
+ case 2:
+ /*
+ * If mt_state_lost, we don't know which finger SGM contains.
+ *
+ * So, report 1 finger, but with both slots empty.
+ * We will use slot 1 on subsequent 1->1
+ */
+ if (priv->mt_state_lost) {
+ synaptics_mt_state_set(mt_state, 1, -1, -1);
+ break;
+ }
+ /*
+ * Since the last AGM was NOT (0,0,0), it was the finger in
+ * slot 0 that has been removed.
+ * So, SGM now contains previous AGM's slot, and AGM is now
+ * empty.
+ */
+ synaptics_mt_state_set(mt_state, 1, old->agm, -1);
+ break;
+ case 3:
+ /*
+ * Since last AGM was not (0,0,0), we don't know which finger
+ * is left.
+ *
+ * So, report 1 finger, but with both slots empty.
+ * We will use slot 1 on subsequent 1->1
+ */
+ synaptics_mt_state_set(mt_state, 1, -1, -1);
+ priv->mt_state_lost = true;
+ break;
+ case 4:
+ case 5:
+ /* mt_state was updated by AGM-CONTACT packet */
+ break;
+ }
+}
+
+/* Handle case where mt_state->count = 2 */
+static void synaptics_image_sensor_2f(struct synaptics_data *priv,
+ struct synaptics_mt_state *mt_state)
+{
+ struct synaptics_mt_state *old = &priv->mt_state;
+
+ switch (old->count) {
+ case 0:
+ synaptics_mt_state_set(mt_state, 2, 0, 1);
+ break;
+ case 1:
+ /*
+ * If previous SGM contained slot 1 or higher, SGM now contains
+ * slot 0 (the newly touching finger) and AGM contains SGM's
+ * previous slot.
+ *
+ * Otherwise, SGM still contains slot 0 and AGM now contains
+ * slot 1.
+ */
+ if (old->sgm >= 1)
+ synaptics_mt_state_set(mt_state, 2, 0, old->sgm);
+ else
+ synaptics_mt_state_set(mt_state, 2, 0, 1);
+ break;
+ case 2:
+ /*
+ * If mt_state_lost, SGM now contains either finger 1 or 2, but
+ * we don't know which.
+ * So, we just assume that the SGM contains slot 0 and AGM 1.
+ */
+ if (priv->mt_state_lost)
+ synaptics_mt_state_set(mt_state, 2, 0, 1);
+ /*
+ * Otherwise, use the same mt_state, since it either hasn't
+ * changed, or was updated by a recently received AGM-CONTACT
+ * packet.
+ */
+ break;
+ case 3:
+ /*
+ * 3->2 transitions have two unsolvable problems:
+ * 1) no indication is given which finger was removed
+ * 2) no way to tell if agm packet was for finger 3
+ * before 3->2, or finger 2 after 3->2.
+ *
+ * So, report 2 fingers, but empty all slots.
+ * We will guess slots [0,1] on subsequent 2->2.
+ */
+ synaptics_mt_state_set(mt_state, 2, -1, -1);
+ priv->mt_state_lost = true;
+ break;
+ case 4:
+ case 5:
+ /* mt_state was updated by AGM-CONTACT packet */
+ break;
+ }
+}
+
+/* Handle case where mt_state->count = 3 */
+static void synaptics_image_sensor_3f(struct synaptics_data *priv,
+ struct synaptics_mt_state *mt_state)
+{
+ struct synaptics_mt_state *old = &priv->mt_state;
+
+ switch (old->count) {
+ case 0:
+ synaptics_mt_state_set(mt_state, 3, 0, 2);
+ break;
+ case 1:
+ /*
+ * If previous SGM contained slot 2 or higher, SGM now contains
+ * slot 0 (one of the newly touching fingers) and AGM contains
+ * SGM's previous slot.
+ *
+ * Otherwise, SGM now contains slot 0 and AGM contains slot 2.
+ */
+ if (old->sgm >= 2)
+ synaptics_mt_state_set(mt_state, 3, 0, old->sgm);
+ else
+ synaptics_mt_state_set(mt_state, 3, 0, 2);
+ break;
+ case 2:
+ /*
+ * If the AGM previously contained slot 3 or higher, then the
+ * newly touching finger is in the lowest available slot.
+ *
+ * If SGM was previously 1 or higher, then the new SGM is
+ * now slot 0 (with a new finger), otherwise, the new finger
+ * is now in a hidden slot between 0 and AGM's slot.
+ *
+ * In all such cases, the SGM now contains slot 0, and the AGM
+ * continues to contain the same slot as before.
+ */
+ if (old->agm >= 3) {
+ synaptics_mt_state_set(mt_state, 3, 0, old->agm);
+ break;
+ }
+
+ /*
+ * After some 3->1 and all 3->2 transitions, we lose track
+ * of which slot is reported by SGM and AGM.
+ *
+ * For 2->3 in this state, report 3 fingers, but empty all
+ * slots, and we will guess (0,2) on a subsequent 0->3.
+ *
+ * To userspace, the resulting transition will look like:
+ * 2:[0,1] -> 3:[-1,-1] -> 3:[0,2]
+ */
+ if (priv->mt_state_lost) {
+ synaptics_mt_state_set(mt_state, 3, -1, -1);
+ break;
+ }
+
+ /*
+ * If the (SGM,AGM) really previously contained slots (0, 1),
+ * then we cannot know what slot was just reported by the AGM,
+ * because the 2->3 transition can occur either before or after
+ * the AGM packet. Thus, this most recent AGM could contain
+ * either the same old slot 1 or the new slot 2.
+ * Subsequent AGMs will be reporting slot 2.
+ *
+ * To userspace, the resulting transition will look like:
+ * 2:[0,1] -> 3:[0,-1] -> 3:[0,2]
+ */
+ synaptics_mt_state_set(mt_state, 3, 0, -1);
+ break;
+ case 3:
+ /*
+ * If, for whatever reason, the previous agm was invalid,
+ * Assume SGM now contains slot 0, AGM now contains slot 2.
+ */
+ if (old->agm <= 2)
+ synaptics_mt_state_set(mt_state, 3, 0, 2);
+ /*
+ * mt_state either hasn't changed, or was updated by a recently
+ * received AGM-CONTACT packet.
+ */
+ break;
+
+ case 4:
+ case 5:
+ /* mt_state was updated by AGM-CONTACT packet */
+ break;
+ }
+}
+
+/* Handle case where mt_state->count = 4, or = 5 */
+static void synaptics_image_sensor_45f(struct synaptics_data *priv,
+ struct synaptics_mt_state *mt_state)
+{
+ /* mt_state was updated correctly by AGM-CONTACT packet */
+ priv->mt_state_lost = false;
+}
+
+static void synaptics_image_sensor_process(struct psmouse *psmouse,
+ struct synaptics_hw_state *sgm)
+{
+ struct synaptics_data *priv = psmouse->private;
+ struct synaptics_hw_state *agm = &priv->agm;
+ struct synaptics_mt_state mt_state;
+
+ /* Initialize using current mt_state (as updated by last agm) */
+ mt_state = agm->mt_state;
+
+ /*
+ * Update mt_state using the new finger count and current mt_state.
+ */
+ if (sgm->z == 0)
+ synaptics_image_sensor_0f(priv, &mt_state);
+ else if (sgm->w >= 4)
+ synaptics_image_sensor_1f(priv, &mt_state);
+ else if (sgm->w == 0)
+ synaptics_image_sensor_2f(priv, &mt_state);
+ else if (sgm->w == 1 && mt_state.count <= 3)
+ synaptics_image_sensor_3f(priv, &mt_state);
+ else
+ synaptics_image_sensor_45f(priv, &mt_state);
+
+ /* Send resulting input events to user space */
+ synaptics_report_mt_data(psmouse, &mt_state, sgm);
+
+ /* Store updated mt_state */
+ priv->mt_state = agm->mt_state = mt_state;
+ priv->agm_pending = false;
+}
+
/*
* called for each full received packet from the touchpad
*/
@@ -536,11 +968,15 @@ 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;
@@ -586,7 +1022,8 @@ static void synaptics_process_packet(struct psmouse *psmouse)
}
if (SYN_CAP_ADV_GESTURE(priv->ext_cap_0c))
- synaptics_report_semi_mt_data(dev, &hw, &priv->mt, num_fingers);
+ synaptics_report_semi_mt_data(dev, &hw, &priv->agm,
+ num_fingers);
/* Post events
* BTN_TOUCH has to be first as mousedev relies on it when doing
@@ -597,7 +1034,7 @@ static void synaptics_process_packet(struct psmouse *psmouse)
if (num_fingers > 0) {
input_report_abs(dev, ABS_X, hw.x);
- input_report_abs(dev, ABS_Y, YMAX_NOMINAL + YMIN_NOMINAL - hw.y);
+ input_report_abs(dev, ABS_Y, synaptics_invert_y(hw.y));
}
input_report_abs(dev, ABS_PRESSURE, hw.z);
@@ -605,35 +1042,25 @@ 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);
}
-static int synaptics_validate_byte(unsigned char packet[], int idx, unsigned char pkt_type)
+static int synaptics_validate_byte(struct psmouse *psmouse,
+ int idx, unsigned char pkt_type)
{
static const unsigned char newabs_mask[] = { 0xC8, 0x00, 0x00, 0xC8, 0x00 };
static const unsigned char newabs_rel_mask[] = { 0xC0, 0x00, 0x00, 0xC0, 0x00 };
static const unsigned char newabs_rslt[] = { 0x80, 0x00, 0x00, 0xC0, 0x00 };
static const unsigned char oldabs_mask[] = { 0xC0, 0x60, 0x00, 0xC0, 0x60 };
static const unsigned char oldabs_rslt[] = { 0xC0, 0x00, 0x00, 0x80, 0x00 };
+ const char *packet = psmouse->packet;
if (idx < 0 || idx > 4)
return 0;
@@ -651,7 +1078,7 @@ static int synaptics_validate_byte(unsigned char packet[], int idx, unsigned cha
return (packet[idx] & oldabs_mask[idx]) == oldabs_rslt[idx];
default:
- printk(KERN_ERR "synaptics: unknown packet type %d\n", pkt_type);
+ psmouse_err(psmouse, "unknown packet type %d\n", pkt_type);
return 0;
}
}
@@ -661,8 +1088,8 @@ static unsigned char synaptics_detect_pkt_type(struct psmouse *psmouse)
int i;
for (i = 0; i < 5; i++)
- if (!synaptics_validate_byte(psmouse->packet, i, SYN_NEWABS_STRICT)) {
- printk(KERN_INFO "synaptics: using relaxed packet validation\n");
+ if (!synaptics_validate_byte(psmouse, i, SYN_NEWABS_STRICT)) {
+ psmouse_info(psmouse, "using relaxed packet validation\n");
return SYN_NEWABS_RELAXED;
}
@@ -687,46 +1114,56 @@ static psmouse_ret_t synaptics_process_byte(struct psmouse *psmouse)
return PSMOUSE_FULL_PACKET;
}
- return synaptics_validate_byte(psmouse->packet, psmouse->pktcnt - 1, priv->pkt_type) ?
+ return synaptics_validate_byte(psmouse, psmouse->pktcnt - 1, priv->pkt_type) ?
PSMOUSE_GOOD_DATA : PSMOUSE_BAD_DATA;
}
/*****************************************************************************
* Driver initialization/cleanup functions
****************************************************************************/
-static void set_input_params(struct input_dev *dev, struct synaptics_data *priv)
+static void set_abs_position_params(struct input_dev *dev,
+ struct synaptics_data *priv, int x_code,
+ int y_code)
{
- int i;
+ int x_min = priv->x_min ?: XMIN_NOMINAL;
+ int x_max = priv->x_max ?: XMAX_NOMINAL;
+ int y_min = priv->y_min ?: YMIN_NOMINAL;
+ int y_max = priv->y_max ?: YMAX_NOMINAL;
int fuzz = SYN_CAP_REDUCED_FILTERING(priv->ext_cap_0c) ?
SYN_REDUCED_FILTER_FUZZ : 0;
+ input_set_abs_params(dev, x_code, x_min, x_max, fuzz, 0);
+ input_set_abs_params(dev, y_code, y_min, y_max, fuzz, 0);
+ input_abs_set_res(dev, x_code, priv->x_res);
+ input_abs_set_res(dev, y_code, priv->y_res);
+}
+
+static void set_input_params(struct input_dev *dev, struct synaptics_data *priv)
+{
+ int i;
+
__set_bit(INPUT_PROP_POINTER, dev->propbit);
__set_bit(EV_ABS, dev->evbit);
- input_set_abs_params(dev, ABS_X,
- priv->x_min ?: XMIN_NOMINAL,
- priv->x_max ?: XMAX_NOMINAL,
- fuzz, 0);
- input_set_abs_params(dev, ABS_Y,
- priv->y_min ?: YMIN_NOMINAL,
- priv->y_max ?: YMAX_NOMINAL,
- fuzz, 0);
+ 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);
+
+ /* Image sensors can signal 4 and 5 finger clicks */
+ __set_bit(BTN_TOOL_QUADTAP, dev->keybit);
+ __set_bit(BTN_TOOL_QUINTTAP, dev->keybit);
+ } 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);
- input_set_abs_params(dev, ABS_MT_POSITION_X,
- priv->x_min ?: XMIN_NOMINAL,
- priv->x_max ?: XMAX_NOMINAL,
- fuzz, 0);
- input_set_abs_params(dev, ABS_MT_POSITION_Y,
- priv->y_min ?: YMIN_NOMINAL,
- priv->y_max ?: YMAX_NOMINAL,
- fuzz, 0);
-
- input_abs_set_res(dev, ABS_MT_POSITION_X, priv->x_res);
- input_abs_set_res(dev, ABS_MT_POSITION_Y, priv->y_res);
+ set_abs_position_params(dev, priv, ABS_MT_POSITION_X,
+ ABS_MT_POSITION_Y);
}
if (SYN_CAP_PALMDETECT(priv->capabilities))
@@ -759,9 +1196,6 @@ static void set_input_params(struct input_dev *dev, struct synaptics_data *priv)
__clear_bit(REL_X, dev->relbit);
__clear_bit(REL_Y, dev->relbit);
- input_abs_set_res(dev, ABS_X, priv->x_res);
- input_abs_set_res(dev, ABS_Y, priv->y_res);
-
if (SYN_CAP_CLICKPAD(priv->ext_cap_0c)) {
__set_bit(INPUT_PROP_BUTTONPAD, dev->propbit);
/* Clickpads report only left button */
@@ -793,21 +1227,21 @@ static int synaptics_reconnect(struct psmouse *psmouse)
return -1;
if (retry > 1)
- printk(KERN_DEBUG "Synaptics reconnected after %d tries\n",
- retry);
+ psmouse_dbg(psmouse, "reconnected after %d tries\n", retry);
if (synaptics_query_hardware(psmouse)) {
- printk(KERN_ERR "Unable to query Synaptics hardware.\n");
+ psmouse_err(psmouse, "Unable to query device.\n");
return -1;
}
if (synaptics_set_absolute_mode(psmouse)) {
- printk(KERN_ERR "Unable to initialize Synaptics hardware.\n");
+ psmouse_err(psmouse, "Unable to initialize device.\n");
return -1;
}
if (synaptics_set_advanced_gesture_mode(psmouse)) {
- printk(KERN_ERR "Advanced gesture mode reconnect failed.\n");
+ psmouse_err(psmouse,
+ "Advanced gesture mode reconnect failed.\n");
return -1;
}
@@ -815,12 +1249,12 @@ static int synaptics_reconnect(struct psmouse *psmouse)
old_priv.model_id != priv->model_id ||
old_priv.capabilities != priv->capabilities ||
old_priv.ext_cap != priv->ext_cap) {
- printk(KERN_ERR "Synaptics hardware appears to be different: "
- "id(%ld-%ld), model(%ld-%ld), caps(%lx-%lx), ext(%lx-%lx).\n",
- old_priv.identity, priv->identity,
- old_priv.model_id, priv->model_id,
- old_priv.capabilities, priv->capabilities,
- old_priv.ext_cap, priv->ext_cap);
+ psmouse_err(psmouse,
+ "hardware appears to be different: id(%ld-%ld), model(%ld-%ld), caps(%lx-%lx), ext(%lx-%lx).\n",
+ old_priv.identity, priv->identity,
+ old_priv.model_id, priv->model_id,
+ old_priv.capabilities, priv->capabilities,
+ old_priv.ext_cap, priv->ext_cap);
return -1;
}
@@ -901,7 +1335,8 @@ int synaptics_init(struct psmouse *psmouse)
* just fine.
*/
if (broken_olpc_ec) {
- printk(KERN_INFO "synaptics: OLPC XO detected, not enabling Synaptics protocol.\n");
+ psmouse_info(psmouse,
+ "OLPC XO detected, not enabling Synaptics protocol.\n");
return -ENODEV;
}
@@ -912,26 +1347,28 @@ int synaptics_init(struct psmouse *psmouse)
psmouse_reset(psmouse);
if (synaptics_query_hardware(psmouse)) {
- printk(KERN_ERR "Unable to query Synaptics hardware.\n");
+ psmouse_err(psmouse, "Unable to query device.\n");
goto init_fail;
}
if (synaptics_set_absolute_mode(psmouse)) {
- printk(KERN_ERR "Unable to initialize Synaptics hardware.\n");
+ psmouse_err(psmouse, "Unable to initialize device.\n");
goto init_fail;
}
if (synaptics_set_advanced_gesture_mode(psmouse)) {
- printk(KERN_ERR "Advanced gesture mode init failed.\n");
+ psmouse_err(psmouse, "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",
- 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);
+ psmouse_info(psmouse,
+ "Touchpad model: %ld, fw: %ld.%ld, id: %#lx, caps: %#lx/%#lx/%#lx\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);
set_input_params(psmouse->dev, priv);
@@ -963,8 +1400,9 @@ int synaptics_init(struct psmouse *psmouse)
* the same rate as a standard PS/2 mouse).
*/
if (psmouse->rate >= 80 && impaired_toshiba_kbc) {
- printk(KERN_INFO "synaptics: Toshiba %s detected, limiting rate to 40pps.\n",
- dmi_get_system_info(DMI_PRODUCT_NAME));
+ psmouse_info(psmouse,
+ "Toshiba %s detected, limiting rate to 40pps.\n",
+ dmi_get_system_info(DMI_PRODUCT_NAME));
psmouse->rate = 40;
}
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