Input: wacom - support 2FGT in MT format
Reviewed-by: Henrik Rydberg <rydberg@euromail.se>
Reviewed-by: Chris Bagwell <chris@cnpbagwell.com>
Signed-off-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c
index adf8946..5597637 100644
--- a/drivers/input/tablet/wacom_wac.c
+++ b/drivers/input/tablet/wacom_wac.c
@@ -675,6 +675,37 @@
return 1;
}
+static int wacom_tpc_mt_touch(struct wacom_wac *wacom)
+{
+ struct input_dev *input = wacom->input;
+ unsigned char *data = wacom->data;
+ int contact_with_no_pen_down_count = 0;
+ int i;
+
+ for (i = 0; i < 2; i++) {
+ int p = data[1] & (1 << i);
+ bool touch = p && !wacom->shared->stylus_in_proximity;
+
+ input_mt_slot(input, i);
+ input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
+ if (touch) {
+ int x = le16_to_cpup((__le16 *)&data[i * 2 + 2]) & 0x7fff;
+ int y = le16_to_cpup((__le16 *)&data[i * 2 + 6]) & 0x7fff;
+
+ input_report_abs(input, ABS_MT_POSITION_X, x);
+ input_report_abs(input, ABS_MT_POSITION_Y, y);
+ contact_with_no_pen_down_count++;
+ }
+ }
+
+ /* keep touch state for pen event */
+ wacom->shared->touch_down = (contact_with_no_pen_down_count > 0);
+
+ input_mt_report_pointer_emulation(input, true);
+
+ return 1;
+}
+
static int wacom_tpc_single_touch(struct wacom_wac *wacom, size_t len)
{
char *data = wacom->data;
@@ -749,6 +780,8 @@
if (len == WACOM_PKGLEN_TPC1FG || data[0] == WACOM_REPORT_TPC1FG)
return wacom_tpc_single_touch(wacom, len);
+ else if (data[0] == WACOM_REPORT_TPC2FG)
+ return wacom_tpc_mt_touch(wacom);
else if (data[0] == WACOM_REPORT_PENABLED)
return wacom_tpc_pen(wacom);
@@ -975,7 +1008,7 @@
{
/* touch device found but size is not defined. use default */
- if (features->device_type == BTN_TOOL_DOUBLETAP && !features->x_max) {
+ if (features->device_type == BTN_TOOL_FINGER && !features->x_max) {
features->x_max = 1023;
features->y_max = 1023;
}
@@ -987,7 +1020,7 @@
/* quirks for bamboo touch */
if (features->type == BAMBOO_PT &&
- features->device_type == BTN_TOOL_TRIPLETAP) {
+ features->device_type == BTN_TOOL_DOUBLETAP) {
features->x_max <<= 5;
features->y_max <<= 5;
features->x_fuzz <<= 5;
@@ -1123,28 +1156,30 @@
break;
case TABLETPC2FG:
- if (features->device_type == BTN_TOOL_TRIPLETAP) {
- __set_bit(BTN_TOOL_TRIPLETAP, input_dev->keybit);
- input_set_capability(input_dev, EV_MSC, MSC_SERIAL);
+ if (features->device_type == BTN_TOOL_DOUBLETAP) {
+
+ input_mt_init_slots(input_dev, 2);
+ input_set_abs_params(input_dev, ABS_MT_TOOL_TYPE,
+ 0, MT_TOOL_MAX, 0, 0);
+ input_set_abs_params(input_dev, ABS_MT_POSITION_X,
+ 0, features->x_max, 0, 0);
+ input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
+ 0, features->y_max, 0, 0);
}
/* fall through */
case TABLETPC:
__clear_bit(ABS_MISC, input_dev->absbit);
- if (features->device_type == BTN_TOOL_DOUBLETAP ||
- features->device_type == BTN_TOOL_TRIPLETAP) {
+ if (features->device_type != BTN_TOOL_PEN) {
input_abs_set_res(input_dev, ABS_X,
wacom_calculate_touch_res(features->x_max,
features->x_phy));
input_abs_set_res(input_dev, ABS_Y,
wacom_calculate_touch_res(features->y_max,
features->y_phy));
- }
-
- if (features->device_type != BTN_TOOL_PEN)
break; /* no need to process stylus stuff */
-
+ }
/* fall through */
case PL:
@@ -1162,7 +1197,7 @@
case BAMBOO_PT:
__clear_bit(ABS_MISC, input_dev->absbit);
- if (features->device_type == BTN_TOOL_TRIPLETAP) {
+ if (features->device_type == BTN_TOOL_DOUBLETAP) {
__set_bit(BTN_LEFT, input_dev->keybit);
__set_bit(BTN_FORWARD, input_dev->keybit);
__set_bit(BTN_BACK, input_dev->keybit);