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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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163
drivers/input/tablet/wacom_wac.c
View file

@ -155,19 +155,19 @@ static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo)
{ {
struct wacom_features *features = &wacom->features; struct wacom_features *features = &wacom->features;
unsigned char *data = wacom->data; unsigned char *data = wacom->data;
int x, y, rw; int x, y, prox;
static int penData = 0; int rw = 0;
int retval = 0;
if (data[0] != WACOM_REPORT_PENABLED) { if (data[0] != WACOM_REPORT_PENABLED) {
dbg("wacom_graphire_irq: received unknown report #%d", data[0]); dbg("wacom_graphire_irq: received unknown report #%d", data[0]);
return 0; goto exit;
} }
if (data[1] & 0x80) { prox = data[1] & 0x80;
/* in prox and not a pad data */ if (prox || wacom->id[0]) {
penData = 1; if (prox) {
switch ((data[1] >> 5) & 3) {
switch ((data[1] >> 5) & 3) {
case 0: /* Pen */ case 0: /* Pen */
wacom->tool[0] = BTN_TOOL_PEN; wacom->tool[0] = BTN_TOOL_PEN;
@ -181,23 +181,13 @@ static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo)
case 2: /* Mouse with wheel */ case 2: /* Mouse with wheel */
wacom_report_key(wcombo, BTN_MIDDLE, data[1] & 0x04); 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 */ /* fall through */
case 3: /* Mouse without wheel */ case 3: /* Mouse without wheel */
wacom->tool[0] = BTN_TOOL_MOUSE; wacom->tool[0] = BTN_TOOL_MOUSE;
wacom->id[0] = CURSOR_DEVICE_ID; 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; break;
}
} }
x = wacom_le16_to_cpu(&data[2]); x = wacom_le16_to_cpu(&data[2]);
y = wacom_le16_to_cpu(&data[4]); y = wacom_le16_to_cpu(&data[4]);
@ -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_TOUCH, data[1] & 0x01);
wacom_report_key(wcombo, BTN_STYLUS, data[1] & 0x02); wacom_report_key(wcombo, BTN_STYLUS, data[1] & 0x02);
wacom_report_key(wcombo, BTN_STYLUS2, data[1] & 0x04); 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 { } else {
wacom_report_abs(wcombo, ABS_PRESSURE, 0); wacom_report_key(wcombo, BTN_LEFT, data[1] & 0x01);
wacom_report_key(wcombo, BTN_TOUCH, 0); wacom_report_key(wcombo, BTN_RIGHT, data[1] & 0x02);
wacom_report_key(wcombo, BTN_STYLUS, 0); if (features->type == WACOM_G4 ||
wacom_report_key(wcombo, BTN_STYLUS2, 0); 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);
} }
wacom->id[0] = 0;
wacom_report_abs(wcombo, ABS_MISC, 0); /* reset tool id */ if (!prox)
wacom_report_key(wcombo, wacom->tool[0], 0); 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 */
} }
/* send pad data */ /* send pad data */
switch (features->type) { switch (features->type) {
case WACOM_G4: case WACOM_G4:
if (data[7] & 0xf8) { prox = data[7] & 0xf8;
if (penData) { if (prox || wacom->id[1]) {
wacom_input_sync(wcombo); /* sync last event */
if (!wacom->id[0])
penData = 0;
}
wacom->id[1] = PAD_DEVICE_ID; wacom->id[1] = PAD_DEVICE_ID;
wacom_report_key(wcombo, BTN_0, (data[7] & 0x40)); wacom_report_key(wcombo, BTN_0, (data[7] & 0x40));
wacom_report_key(wcombo, BTN_4, (data[7] & 0x80)); 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_rel(wcombo, REL_WHEEL, rw);
wacom_report_key(wcombo, BTN_TOOL_FINGER, 0xf0); wacom_report_key(wcombo, BTN_TOOL_FINGER, 0xf0);
wacom_report_abs(wcombo, ABS_MISC, wacom->id[1]); wacom_report_abs(wcombo, ABS_MISC, wacom->id[1]);
wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xf0); if (!prox)
} else if (wacom->id[1]) { wacom->id[1] = 0;
if (penData) { wacom_report_abs(wcombo, ABS_MISC, wacom->id[1]);
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); wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xf0);
} }
retval = 1;
break; break;
case WACOM_MO: case WACOM_MO:
if ((data[7] & 0xf8) || (data[8] & 0xff)) { prox = (data[7] & 0xf8) || data[8];
if (penData) { if (prox || wacom->id[1]) {
wacom_input_sync(wcombo); /* sync last event */
if (!wacom->id[0])
penData = 0;
}
wacom->id[1] = PAD_DEVICE_ID; wacom->id[1] = PAD_DEVICE_ID;
wacom_report_key(wcombo, BTN_0, (data[7] & 0x08)); wacom_report_key(wcombo, BTN_0, (data[7] & 0x08));
wacom_report_key(wcombo, BTN_1, (data[7] & 0x20)); 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_key(wcombo, BTN_5, (data[7] & 0x40));
wacom_report_abs(wcombo, ABS_WHEEL, (data[8] & 0x7f)); wacom_report_abs(wcombo, ABS_WHEEL, (data[8] & 0x7f));
wacom_report_key(wcombo, BTN_TOOL_FINGER, 0xf0); wacom_report_key(wcombo, BTN_TOOL_FINGER, 0xf0);
if (!prox)
wacom->id[1] = 0;
wacom_report_abs(wcombo, ABS_MISC, wacom->id[1]); wacom_report_abs(wcombo, ABS_MISC, wacom->id[1]);
wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xf0); 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; break;
} }
return 1; exit:
return retval;
} }
static int wacom_intuos_inout(struct wacom_wac *wacom, void *wcombo) 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) static void wacom_tpc_finger_in(struct wacom_wac *wacom, void *wcombo, char *data, int idx)
{ {
wacom_report_abs(wcombo, ABS_X, 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, 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_abs(wcombo, ABS_MISC, wacom->id[0]);
wacom_report_key(wcombo, wacom->tool[idx], 1); wacom_report_key(wcombo, wacom->tool[idx], 1);
if (idx) if (idx)
@ -782,31 +744,24 @@ static int wacom_tpc_irq(struct wacom_wac *wacom, void *wcombo)
touchInProx = 0; touchInProx = 0;
if (prox) { /* in prox */ if (!wacom->id[0]) { /* first in prox */
if (!wacom->id[0]) { /* Going into proximity select tool */
/* Going into proximity select tool */ wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN; if (wacom->tool[0] == BTN_TOOL_PEN)
if (wacom->tool[0] == BTN_TOOL_PEN) wacom->id[0] = STYLUS_DEVICE_ID;
wacom->id[0] = STYLUS_DEVICE_ID; else
else wacom->id[0] = ERASER_DEVICE_ID;
wacom->id[0] = ERASER_DEVICE_ID; }
} wacom_report_key(wcombo, BTN_STYLUS, data[1] & 0x02);
wacom_report_key(wcombo, BTN_STYLUS, data[1] & 0x02); wacom_report_key(wcombo, BTN_STYLUS2, data[1] & 0x10);
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_X, wacom_le16_to_cpu(&data[2])); wacom_report_abs(wcombo, ABS_Y, wacom_le16_to_cpu(&data[4]));
wacom_report_abs(wcombo, ABS_Y, wacom_le16_to_cpu(&data[4])); pressure = ((data[7] & 0x01) << 8) | data[6];
pressure = ((data[7] & 0x01) << 8) | data[6]; if (pressure < 0)
if (pressure < 0) pressure = features->pressure_max + pressure + 1;
pressure = features->pressure_max + pressure + 1; wacom_report_abs(wcombo, ABS_PRESSURE, pressure);
wacom_report_abs(wcombo, ABS_PRESSURE, pressure); wacom_report_key(wcombo, BTN_TOUCH, data[1] & 0x05);
wacom_report_key(wcombo, BTN_TOUCH, data[1] & 0x05); if (!prox) { /* out-prox */
} 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; wacom->id[0] = 0;
/* pen is out so touch can be enabled now */ /* pen is out so touch can be enabled now */
touchInProx = 1; touchInProx = 1;