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Input: wacom - merge out and in prox events

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Process out and in prox events for Graphire and Tablet PC devices
in the same loop to simplify the data parsing logic.

[re-applying after revert since other patches are based on this one]

Signed-off-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Ping Cheng 2010-03-04 21:50:59 -08:00 committed by Dmitry Torokhov
parent 56f3e1c057
commit 3b57ca0f80
1 changed files with 59 additions and 104 deletions
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125
drivers/input/tablet/wacom_wac.c
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@ -155,18 +155,18 @@ 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, rw;
static int penData = 0;
int x, y, prox;
int rw = 0;
int retval = 0;
if (data[0] != WACOM_REPORT_PENABLED) {
dbg("wacom_graphire_irq: received unknown report #%d", data[0]);
return 0;
goto exit;
}
if (data[1] & 0x80) {
/* in prox and not a pad data */
penData = 1;
prox = data[1] & 0x80;
if (prox || wacom->id[0]) {
if (prox) {
switch ((data[1] >> 5) & 3) {
case 0: /* Pen */
@ -181,24 +181,14 @@ 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]);
wacom_report_abs(wcombo, ABS_X, x);
@ -208,36 +198,32 @@ 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);
}
wacom_report_abs(wcombo, ABS_MISC, wacom->id[0]); /* report tool id */
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_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, 0); /* reset tool id */
wacom_report_key(wcombo, wacom->tool[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 */
}
/* send pad data */
switch (features->type) {
case WACOM_G4:
if (data[7] & 0xf8) {
if (penData) {
wacom_input_sync(wcombo); /* sync last event */
if (!wacom->id[0])
penData = 0;
}
prox = data[7] & 0xf8;
if (prox || wacom->id[1]) {
wacom->id[1] = PAD_DEVICE_ID;
wacom_report_key(wcombo, BTN_0, (data[7] & 0x40));
wacom_report_key(wcombo, BTN_4, (data[7] & 0x80));
@ -245,29 +231,16 @@ 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]);
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;
}
if (!prox)
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_report_abs(wcombo, ABS_MISC, wacom->id[1]);
wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xf0);
}
retval = 1;
break;
case WACOM_MO:
if ((data[7] & 0xf8) || (data[8] & 0xff)) {
if (penData) {
wacom_input_sync(wcombo); /* sync last event */
if (!wacom->id[0])
penData = 0;
}
prox = (data[7] & 0xf8) || data[8];
if (prox || wacom->id[1]) {
wacom->id[1] = PAD_DEVICE_ID;
wacom_report_key(wcombo, BTN_0, (data[7] & 0x08));
wacom_report_key(wcombo, BTN_1, (data[7] & 0x20));
@ -275,27 +248,16 @@ 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;
}
return 1;
exit:
return retval;
}
static int wacom_intuos_inout(struct wacom_wac *wacom, void *wcombo)
@ -636,9 +598,9 @@ 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] & 0xff) | ((data[3 + idx * 2] & 0x7f) << 8));
data[2 + idx * 2] | ((data[3 + idx * 2] & 0x7f) << 8));
wacom_report_abs(wcombo, ABS_Y,
(data[6 + idx * 2] & 0xff) | ((data[7 + idx * 2] & 0x7f) << 8));
data[6 + idx * 2] | ((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)
@ -782,8 +744,7 @@ static int wacom_tpc_irq(struct wacom_wac *wacom, void *wcombo)
touchInProx = 0;
if (prox) { /* in prox */
if (!wacom->id[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)
@ -800,13 +761,7 @@ static int wacom_tpc_irq(struct wacom_wac *wacom, void *wcombo)
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);
if (!prox) { /* out-prox */
wacom->id[0] = 0;
/* pen is out so touch can be enabled now */
touchInProx = 1;