return 1;
}
-
-static void wacom_tpc_finger_in(struct wacom_wac *wacom, char *data, int idx)
-{
- struct input_dev *input = wacom->input;
- int finger = idx + 1;
- int x = le16_to_cpup((__le16 *)&data[finger * 2]) & 0x7fff;
- int y = le16_to_cpup((__le16 *)&data[4 + finger * 2]) & 0x7fff;
-
- /*
- * Work around input core suppressing "duplicate" events since
- * we are abusing ABS_X/ABS_Y to transmit multi-finger data.
- * This should go away once we switch to true multitouch
- * protocol.
- */
- if (wacom->last_finger != finger) {
- if (x == input_abs_get_val(input, ABS_X))
- x++;
-
- if (y == input_abs_get_val(input, ABS_Y))
- y++;
- }
-
- input_report_abs(input, ABS_X, x);
- input_report_abs(input, ABS_Y, y);
- input_report_abs(input, ABS_MISC, wacom->id[0]);
- input_report_key(input, wacom->tool[finger], 1);
- if (!idx)
- input_report_key(input, BTN_TOUCH, 1);
- input_event(input, EV_MSC, MSC_SERIAL, finger);
- input_sync(input);
-
- wacom->last_finger = finger;
-}
-
-static void wacom_tpc_touch_out(struct wacom_wac *wacom, int idx)
-{
- struct input_dev *input = wacom->input;
- int finger = idx + 1;
-
- input_report_abs(input, ABS_X, 0);
- input_report_abs(input, ABS_Y, 0);
- input_report_abs(input, ABS_MISC, 0);
- input_report_key(input, wacom->tool[finger], 0);
- if (!idx)
- input_report_key(input, BTN_TOUCH, 0);
- input_event(input, EV_MSC, MSC_SERIAL, finger);
- input_sync(input);
-}
-
-static void wacom_tpc_touch_in(struct wacom_wac *wacom, size_t len)
+static int wacom_tpc_single_touch(struct wacom_wac *wacom, size_t len)
{
char *data = wacom->data;
struct input_dev *input = wacom->input;
+ bool prox;
+ int x = 0, y = 0;
- wacom->tool[1] = BTN_TOOL_DOUBLETAP;
- wacom->id[0] = TOUCH_DEVICE_ID;
- wacom->tool[2] = BTN_TOOL_TRIPLETAP;
-
- if (len != WACOM_PKGLEN_TPC1FG) {
-
- switch (data[0]) {
+ if (!wacom->shared->stylus_in_proximity) {
+ if (len == WACOM_PKGLEN_TPC1FG) {
+ prox = data[0] & 0x01;
+ x = get_unaligned_le16(&data[1]);
+ y = get_unaligned_le16(&data[3]);
+ } else { /* with capacity */
+ prox = data[1] & 0x01;
+ x = le16_to_cpup((__le16 *)&data[2]);
+ y = le16_to_cpup((__le16 *)&data[4]);
+ }
+ } else
+ /* force touch out when pen is in prox */
+ prox = 0;
- case WACOM_REPORT_TPC1FG:
- input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
- input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
- input_report_abs(input, ABS_PRESSURE, le16_to_cpup((__le16 *)&data[6]));
- input_report_key(input, BTN_TOUCH, le16_to_cpup((__le16 *)&data[6]));
- input_report_abs(input, ABS_MISC, wacom->id[0]);
- input_report_key(input, wacom->tool[1], 1);
- input_sync(input);
- break;
+ if (prox) {
+ input_report_abs(input, ABS_X, x);
+ input_report_abs(input, ABS_Y, y);
+ }
+ input_report_key(input, BTN_TOUCH, prox);
- case WACOM_REPORT_TPC2FG:
- if (data[1] & 0x01)
- wacom_tpc_finger_in(wacom, data, 0);
- else if (wacom->id[1] & 0x01)
- wacom_tpc_touch_out(wacom, 0);
+ /* keep touch state for pen events */
+ wacom->shared->touch_down = prox;
- if (data[1] & 0x02)
- wacom_tpc_finger_in(wacom, data, 1);
- else if (wacom->id[1] & 0x02)
- wacom_tpc_touch_out(wacom, 1);
- break;
- }
- } else {
- input_report_abs(input, ABS_X, get_unaligned_le16(&data[1]));
- input_report_abs(input, ABS_Y, get_unaligned_le16(&data[3]));
- input_report_key(input, BTN_TOUCH, 1);
- input_report_abs(input, ABS_MISC, wacom->id[1]);
- input_report_key(input, wacom->tool[1], 1);
- input_sync(input);
- }
+ return 1;
}
-static int wacom_tpc_irq(struct wacom_wac *wacom, size_t len)
+static int wacom_tpc_pen(struct wacom_wac *wacom)
{
struct wacom_features *features = &wacom->features;
char *data = wacom->data;
struct input_dev *input = wacom->input;
- int prox = 0, pressure;
- int retval = 0;
-
- dbg("wacom_tpc_irq: received report #%d", data[0]);
-
- if (len == WACOM_PKGLEN_TPC1FG || /* single touch */
- data[0] == WACOM_REPORT_TPC1FG || /* single touch */
- data[0] == WACOM_REPORT_TPC2FG) { /* 2FG touch */
+ int pressure;
+ bool prox = data[1] & 0x20;
- if (wacom->shared->stylus_in_proximity) {
- if (wacom->id[1] & 0x01)
- wacom_tpc_touch_out(wacom, 0);
-
- if (wacom->id[1] & 0x02)
- wacom_tpc_touch_out(wacom, 1);
-
- wacom->id[1] = 0;
- return 0;
- }
-
- if (len == WACOM_PKGLEN_TPC1FG) { /* with touch */
- prox = data[0] & 0x01;
- } else { /* with capacity */
- if (data[0] == WACOM_REPORT_TPC1FG)
- /* single touch */
- prox = data[1] & 0x01;
- else
- /* 2FG touch data */
- prox = data[1] & 0x03;
- }
-
- if (prox) {
- if (!wacom->id[1])
- wacom->last_finger = 1;
- wacom_tpc_touch_in(wacom, len);
- } else {
- if (data[0] == WACOM_REPORT_TPC2FG) {
- /* 2FGT out-prox */
- if (wacom->id[1] & 0x01)
- wacom_tpc_touch_out(wacom, 0);
-
- if (wacom->id[1] & 0x02)
- wacom_tpc_touch_out(wacom, 1);
- } else
- /* one finger touch */
- wacom_tpc_touch_out(wacom, 0);
+ if (!wacom->shared->stylus_in_proximity) /* first in prox */
+ /* Going into proximity select tool */
+ wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
- wacom->id[0] = 0;
- }
- /* keep prox bit to send proper out-prox event */
- wacom->id[1] = prox;
- } else if (data[0] == WACOM_REPORT_PENABLED) { /* Penabled */
- prox = data[1] & 0x20;
-
- if (!wacom->shared->stylus_in_proximity) { /* first in prox */
- /* Going into proximity select tool */
- wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
- if (wacom->tool[0] == BTN_TOOL_PEN)
- wacom->id[0] = STYLUS_DEVICE_ID;
- else
- wacom->id[0] = ERASER_DEVICE_ID;
+ /* keep pen state for touch events */
+ wacom->shared->stylus_in_proximity = prox;
- wacom->shared->stylus_in_proximity = true;
- }
+ /* send pen events only when touch is up or forced out */
+ if (!wacom->shared->touch_down) {
input_report_key(input, BTN_STYLUS, data[1] & 0x02);
input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
pressure = features->pressure_max + pressure + 1;
input_report_abs(input, ABS_PRESSURE, pressure);
input_report_key(input, BTN_TOUCH, data[1] & 0x05);
- if (!prox) { /* out-prox */
- wacom->id[0] = 0;
- wacom->shared->stylus_in_proximity = false;
- }
input_report_key(input, wacom->tool[0], prox);
- input_report_abs(input, ABS_MISC, wacom->id[0]);
- retval = 1;
+ return 1;
}
- return retval;
+
+ return 0;
+}
+
+static int wacom_tpc_irq(struct wacom_wac *wacom, size_t len)
+{
+ char *data = wacom->data;
+
+ dbg("wacom_tpc_irq: received report #%d", data[0]);
+
+ if (len == WACOM_PKGLEN_TPC1FG || data[0] == WACOM_REPORT_TPC1FG)
+ return wacom_tpc_single_touch(wacom, len);
+ else if (data[0] == WACOM_REPORT_PENABLED)
+ return wacom_tpc_pen(wacom);
+
+ return 0;
}
static int wacom_bpt_touch(struct wacom_wac *wacom)
/* fall through */
case TABLETPC:
+ __clear_bit(ABS_MISC, input_dev->absbit);
+
if (features->device_type == BTN_TOOL_DOUBLETAP ||
features->device_type == BTN_TOOL_TRIPLETAP) {
input_abs_set_res(input_dev, ABS_X,
input_abs_set_res(input_dev, ABS_Y,
wacom_calculate_touch_res(features->y_max,
features->y_phy));
- __set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit);
}
if (features->device_type != BTN_TOOL_PEN)
git.openpandora.org / pandora-kernel.git / blobdiff