Revert "Input: wacom - merge out and in prox events"

This reverts commit 776943fd6f104a6e8457dc95a17282e69e963666 as it
causes issues with ISDv4 E3 touchscreens:

	https://bugzilla.kernel.org/show_bug.cgi?id=15670

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 b3ba343..4a852d8 100644 (file)
--- a/drivers/input/tablet/wacom_wac.c
+++ b/drivers/input/tablet/wacom_wac.c
@@ -155,19 +155,19 @@ static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo)
 {
        struct wacom_features *features = &wacom->features;
        unsigned char *data = wacom->data;
-       int x, y, prox;
-       int rw = 0;
-       int retval = 0;
+       int x, y, rw;
+       static int penData = 0;
 
        if (data[0] != WACOM_REPORT_PENABLED) {
                dbg("wacom_graphire_irq: received unknown report #%d", data[0]);
-               goto exit;
+               return 0;
        }
 
-       prox = data[1] & 0x80;
-       if (prox || wacom->id[0]) {
-               if (prox) {
-                       switch ((data[1] >> 5) & 3) {
+       if (data[1] & 0x80) {
+               /* in prox and not a pad data */
+               penData = 1;
+
+               switch ((data[1] >> 5) & 3) {
 
                        case 0: /* Pen */
                                wacom->tool[0] = BTN_TOOL_PEN;
@@ -181,13 +181,23 @@ static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo)
 
                        case 2: /* Mouse with wheel */
                                wacom_report_key(wcombo, BTN_MIDDLE, data[1] & 0x04);
+                               if (features->type == WACOM_G4 || features->type == WACOM_MO) {
+                                       rw = data[7] & 0x04 ? (data[7] & 0x03)-4 : (data[7] & 0x03);
+                                       wacom_report_rel(wcombo, REL_WHEEL, -rw);
+                               } else
+                                       wacom_report_rel(wcombo, REL_WHEEL, -(signed char) data[6]);
                                /* fall through */
 
                        case 3: /* Mouse without wheel */
                                wacom->tool[0] = BTN_TOOL_MOUSE;
                                wacom->id[0] = CURSOR_DEVICE_ID;
+                               wacom_report_key(wcombo, BTN_LEFT, data[1] & 0x01);
+                               wacom_report_key(wcombo, BTN_RIGHT, data[1] & 0x02);
+                               if (features->type == WACOM_G4 || features->type == WACOM_MO)
+                                       wacom_report_abs(wcombo, ABS_DISTANCE, data[6] & 0x3f);
+                               else
+                                       wacom_report_abs(wcombo, ABS_DISTANCE, data[7] & 0x3f);
                                break;
-                       }
                }
                x = wacom_le16_to_cpu(&data[2]);
                y = wacom_le16_to_cpu(&data[4]);
@@ -198,32 +208,36 @@ static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo)
                        wacom_report_key(wcombo, BTN_TOUCH, data[1] & 0x01);
                        wacom_report_key(wcombo, BTN_STYLUS, data[1] & 0x02);
                        wacom_report_key(wcombo, BTN_STYLUS2, data[1] & 0x04);
-               } else {
-                       wacom_report_key(wcombo, BTN_LEFT, data[1] & 0x01);
-                       wacom_report_key(wcombo, BTN_RIGHT, data[1] & 0x02);
-                       if (features->type == WACOM_G4 ||
-                                       features->type == WACOM_MO) {
-                               wacom_report_abs(wcombo, ABS_DISTANCE, data[6] & 0x3f);
-                               rw = (signed)(data[7] & 0x04) - (data[7] & 0x03);
-                       } else {
-                               wacom_report_abs(wcombo, ABS_DISTANCE, data[7] & 0x3f);
-                               rw = -(signed)data[6];
-                       }
-                       wacom_report_rel(wcombo, REL_WHEEL, rw);
                }
-
-               if (!prox)
-                       wacom->id[0] = 0;
                wacom_report_abs(wcombo, ABS_MISC, wacom->id[0]); /* report tool id */
-               wacom_report_key(wcombo, wacom->tool[0], prox);
-               wacom_input_sync(wcombo); /* sync last event */
+               wacom_report_key(wcombo, wacom->tool[0], 1);
+       } else if (wacom->id[0]) {
+               wacom_report_abs(wcombo, ABS_X, 0);
+               wacom_report_abs(wcombo, ABS_Y, 0);
+               if (wacom->tool[0] == BTN_TOOL_MOUSE) {
+                       wacom_report_key(wcombo, BTN_LEFT, 0);
+                       wacom_report_key(wcombo, BTN_RIGHT, 0);
+                       wacom_report_abs(wcombo, ABS_DISTANCE, 0);
+               } else {
+                       wacom_report_abs(wcombo, ABS_PRESSURE, 0);
+                       wacom_report_key(wcombo, BTN_TOUCH, 0);
+                       wacom_report_key(wcombo, BTN_STYLUS, 0);
+                       wacom_report_key(wcombo, BTN_STYLUS2, 0);
+               }
+               wacom->id[0] = 0;
+               wacom_report_abs(wcombo, ABS_MISC, 0); /* reset tool id */
+               wacom_report_key(wcombo, wacom->tool[0], 0);
        }
 
        /* send pad data */
        switch (features->type) {
            case WACOM_G4:
-               prox = data[7] & 0xf8;
-               if (prox || wacom->id[1]) {
+               if (data[7] & 0xf8) {
+                       if (penData) {
+                               wacom_input_sync(wcombo); /* sync last event */
+                               if (!wacom->id[0])
+                                       penData = 0;
+                       }
                        wacom->id[1] = PAD_DEVICE_ID;
                        wacom_report_key(wcombo, BTN_0, (data[7] & 0x40));
                        wacom_report_key(wcombo, BTN_4, (data[7] & 0x80));
@@ -231,16 +245,29 @@ static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo)
                        wacom_report_rel(wcombo, REL_WHEEL, rw);
                        wacom_report_key(wcombo, BTN_TOOL_FINGER, 0xf0);
                        wacom_report_abs(wcombo, ABS_MISC, wacom->id[1]);
-                       if (!prox)
-                               wacom->id[1] = 0;
-                       wacom_report_abs(wcombo, ABS_MISC, wacom->id[1]);
+                       wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xf0);
+               } else if (wacom->id[1]) {
+                       if (penData) {
+                               wacom_input_sync(wcombo); /* sync last event */
+                               if (!wacom->id[0])
+                                       penData = 0;
+                       }
+                       wacom->id[1] = 0;
+                       wacom_report_key(wcombo, BTN_0, (data[7] & 0x40));
+                       wacom_report_key(wcombo, BTN_4, (data[7] & 0x80));
+                       wacom_report_rel(wcombo, REL_WHEEL, 0);
+                       wacom_report_key(wcombo, BTN_TOOL_FINGER, 0);
+                       wacom_report_abs(wcombo, ABS_MISC, 0);
                        wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xf0);
                }
-               retval = 1;
                break;
            case WACOM_MO:
-               prox = (data[7] & 0xf8) || data[8];
-               if (prox || wacom->id[1]) {
+               if ((data[7] & 0xf8) || (data[8] & 0xff)) {
+                       if (penData) {
+                               wacom_input_sync(wcombo); /* sync last event */
+                               if (!wacom->id[0])
+                                       penData = 0;
+                       }
                        wacom->id[1] = PAD_DEVICE_ID;
                        wacom_report_key(wcombo, BTN_0, (data[7] & 0x08));
                        wacom_report_key(wcombo, BTN_1, (data[7] & 0x20));
@@ -248,16 +275,27 @@ static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo)
                        wacom_report_key(wcombo, BTN_5, (data[7] & 0x40));
                        wacom_report_abs(wcombo, ABS_WHEEL, (data[8] & 0x7f));
                        wacom_report_key(wcombo, BTN_TOOL_FINGER, 0xf0);
-                       if (!prox)
-                               wacom->id[1] = 0;
                        wacom_report_abs(wcombo, ABS_MISC, wacom->id[1]);
                        wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xf0);
+               } else if (wacom->id[1]) {
+                       if (penData) {
+                               wacom_input_sync(wcombo); /* sync last event */
+                               if (!wacom->id[0])
+                                       penData = 0;
+                       }
+                       wacom->id[1] = 0;
+                       wacom_report_key(wcombo, BTN_0, (data[7] & 0x08));
+                       wacom_report_key(wcombo, BTN_1, (data[7] & 0x20));
+                       wacom_report_key(wcombo, BTN_4, (data[7] & 0x10));
+                       wacom_report_key(wcombo, BTN_5, (data[7] & 0x40));
+                       wacom_report_abs(wcombo, ABS_WHEEL, (data[8] & 0x7f));
+                       wacom_report_key(wcombo, BTN_TOOL_FINGER, 0);
+                       wacom_report_abs(wcombo, ABS_MISC, 0);
+                       wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xf0);
                }
-               retval = 1;
                break;
        }
-exit:
-       return retval;
+       return 1;
 }
 
 static int wacom_intuos_inout(struct wacom_wac *wacom, void *wcombo)
@@ -598,9 +636,9 @@ static int wacom_intuos_irq(struct wacom_wac *wacom, void *wcombo)
 static void wacom_tpc_finger_in(struct wacom_wac *wacom, void *wcombo, char *data, int idx)
 {
        wacom_report_abs(wcombo, ABS_X,
-               data[2 + idx * 2] | ((data[3 + idx * 2] & 0x7f) << 8));
+               (data[2 + idx * 2] & 0xff) | ((data[3 + idx * 2] & 0x7f) << 8));
        wacom_report_abs(wcombo, ABS_Y,
-               data[6 + idx * 2] | ((data[7 + idx * 2] & 0x7f) << 8));
+               (data[6 + idx * 2] & 0xff) | ((data[7 + idx * 2] & 0x7f) << 8));
        wacom_report_abs(wcombo, ABS_MISC, wacom->id[0]);
        wacom_report_key(wcombo, wacom->tool[idx], 1);
        if (idx)
@@ -744,24 +782,31 @@ static int wacom_tpc_irq(struct wacom_wac *wacom, void *wcombo)
 
                touchInProx = 0;
 
-               if (!wacom->id[0]) { /* 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;
-               }
-               wacom_report_key(wcombo, BTN_STYLUS, data[1] & 0x02);
-               wacom_report_key(wcombo, BTN_STYLUS2, data[1] & 0x10);
-               wacom_report_abs(wcombo, ABS_X, wacom_le16_to_cpu(&data[2]));
-               wacom_report_abs(wcombo, ABS_Y, wacom_le16_to_cpu(&data[4]));
-               pressure = ((data[7] & 0x01) << 8) | data[6];
-               if (pressure < 0)
-                       pressure = features->pressure_max + pressure + 1;
-               wacom_report_abs(wcombo, ABS_PRESSURE, pressure);
-               wacom_report_key(wcombo, BTN_TOUCH, data[1] & 0x05);
-               if (!prox) { /* out-prox */
+               if (prox) { /* in prox */
+                       if (!wacom->id[0]) {
+                               /* 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;
+                       }
+                       wacom_report_key(wcombo, BTN_STYLUS, data[1] & 0x02);
+                       wacom_report_key(wcombo, BTN_STYLUS2, data[1] & 0x10);
+                       wacom_report_abs(wcombo, ABS_X, wacom_le16_to_cpu(&data[2]));
+                       wacom_report_abs(wcombo, ABS_Y, wacom_le16_to_cpu(&data[4]));
+                       pressure = ((data[7] & 0x01) << 8) | data[6];
+                       if (pressure < 0)
+                               pressure = features->pressure_max + pressure + 1;
+                       wacom_report_abs(wcombo, ABS_PRESSURE, pressure);
+                       wacom_report_key(wcombo, BTN_TOUCH, data[1] & 0x05);
+               } else {
+                       wacom_report_abs(wcombo, ABS_X, 0);
+                       wacom_report_abs(wcombo, ABS_Y, 0);
+                       wacom_report_abs(wcombo, ABS_PRESSURE, 0);
+                       wacom_report_key(wcombo, BTN_STYLUS, 0);
+                       wacom_report_key(wcombo, BTN_STYLUS2, 0);
+                       wacom_report_key(wcombo, BTN_TOUCH, 0);
                        wacom->id[0] = 0;
                        /* pen is out so touch can be enabled now */
                        touchInProx = 1;