Skip to content

Commit

Permalink
Input: wacom - cleanup handling of tablet IDs
Browse files Browse the repository at this point in the history 
Signed-off-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
  • Loading branch information
Ping Cheng authored and Dmitry Torokhov committed May 16, 2008
1 parent ea3e6c5 commit e34b9d2
Showing 1 changed file with 19 additions and 20 deletions.
39 changes: 19 additions & 20 deletions drivers/input/tablet/wacom_wac.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -56,7 +56,7 @@ static int wacom_penpartner_irq(struct wacom_wac *wacom, void *wcombo)
static int wacom_pl_irq(struct wacom_wac *wacom, void *wcombo)
{
unsigned char *data = wacom->data;
int prox, id, pressure;
int prox, pressure;

if (data[0] != 2) {
dbg("wacom_pl_irq: received unknown report #%d", data[0]);
Expand All @@ -65,7 +65,7 @@ static int wacom_pl_irq(struct wacom_wac *wacom, void *wcombo)

prox = data[1] & 0x40;

id = ERASER_DEVICE_ID;
wacom->id[0] = ERASER_DEVICE_ID;
if (prox) {

pressure = (signed char)((data[7] << 1) | ((data[4] >> 2) & 1));
Expand Down Expand Up @@ -99,10 +99,10 @@ static int wacom_pl_irq(struct wacom_wac *wacom, void *wcombo)
if (wacom->tool[1] != BTN_TOOL_RUBBER) {
/* Unknown tool selected default to pen tool */
wacom->tool[1] = BTN_TOOL_PEN;
id = STYLUS_DEVICE_ID;
wacom->id[0] = STYLUS_DEVICE_ID;
}
wacom_report_key(wcombo, wacom->tool[1], prox); /* report in proximity for tool */
wacom_report_abs(wcombo, ABS_MISC, id); /* report tool id */
wacom_report_abs(wcombo, ABS_MISC, wacom->id[0]); /* report tool id */
wacom_report_abs(wcombo, ABS_X, data[3] | (data[2] << 7) | ((data[1] & 0x03) << 14));
wacom_report_abs(wcombo, ABS_Y, data[6] | (data[5] << 7) | ((data[4] & 0x03) << 14));
wacom_report_abs(wcombo, ABS_PRESSURE, pressure);
Expand All @@ -127,7 +127,6 @@ static int wacom_pl_irq(struct wacom_wac *wacom, void *wcombo)
static int wacom_ptu_irq(struct wacom_wac *wacom, void *wcombo)
{
unsigned char *data = wacom->data;
int id;

if (data[0] != 2) {
printk(KERN_INFO "wacom_ptu_irq: received unknown report #%d\n", data[0]);
Expand All @@ -137,13 +136,13 @@ static int wacom_ptu_irq(struct wacom_wac *wacom, void *wcombo)
if (data[1] & 0x04) {
wacom_report_key(wcombo, BTN_TOOL_RUBBER, data[1] & 0x20);
wacom_report_key(wcombo, BTN_TOUCH, data[1] & 0x08);
id = ERASER_DEVICE_ID;
wacom->id[0] = ERASER_DEVICE_ID;
} else {
wacom_report_key(wcombo, BTN_TOOL_PEN, data[1] & 0x20);
wacom_report_key(wcombo, BTN_TOUCH, data[1] & 0x01);
id = STYLUS_DEVICE_ID;
wacom->id[0] = STYLUS_DEVICE_ID;
}
wacom_report_abs(wcombo, ABS_MISC, id); /* report tool id */
wacom_report_abs(wcombo, ABS_MISC, wacom->id[0]); /* report tool id */
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_PRESSURE, wacom_le16_to_cpu(&data[6]));
Expand All @@ -155,27 +154,26 @@ static int wacom_ptu_irq(struct wacom_wac *wacom, void *wcombo)
static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo)
{
unsigned char *data = wacom->data;
int x, y, id, rw;
int x, y, rw;

if (data[0] != 2) {
dbg("wacom_graphire_irq: received unknown report #%d", data[0]);
return 0;
}

id = STYLUS_DEVICE_ID;
if ((data[1] & 0x80) && ((data[1] & 0x07) || data[2] || data[3] || data[4]
|| data[5] || data[6] || (data[7] & 0x07))) {
if (data[1] & 0x80) {
/* in prox and not a pad data */

switch ((data[1] >> 5) & 3) {

case 0: /* Pen */
wacom->tool[0] = BTN_TOOL_PEN;
wacom->id[0] = STYLUS_DEVICE_ID;
break;

case 1: /* Rubber */
wacom->tool[0] = BTN_TOOL_RUBBER;
id = ERASER_DEVICE_ID;
wacom->id[0] = ERASER_DEVICE_ID;
break;

case 2: /* Mouse with wheel */
Expand All @@ -190,7 +188,7 @@ static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo)

case 3: /* Mouse without wheel */
wacom->tool[0] = BTN_TOOL_MOUSE;
id = 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 (wacom->features->type == WACOM_G4 ||
Expand All @@ -210,9 +208,9 @@ static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo)
wacom_report_key(wcombo, BTN_STYLUS, data[1] & 0x02);
wacom_report_key(wcombo, BTN_STYLUS2, data[1] & 0x04);
}
wacom_report_abs(wcombo, ABS_MISC, id); /* report tool id */
wacom_report_abs(wcombo, ABS_MISC, wacom->id[0]); /* report tool id */
wacom_report_key(wcombo, wacom->tool[0], 1);
} else if (!(data[1] & 0x90)) {
} 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) {
Expand All @@ -225,6 +223,7 @@ static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo)
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);
}
Expand All @@ -234,13 +233,13 @@ static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo)
case WACOM_G4:
if (data[7] & 0xf8) {
wacom_input_sync(wcombo); /* sync last event */
wacom->id[1] = 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));
rw = ((data[7] & 0x18) >> 3) - ((data[7] & 0x20) >> 3);
wacom_report_rel(wcombo, REL_WHEEL, rw);
wacom_report_key(wcombo, BTN_TOOL_FINGER, 0xf0);
wacom_report_abs(wcombo, ABS_MISC, PAD_DEVICE_ID);
wacom_report_abs(wcombo, ABS_MISC, wacom->id[1]);
wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xf0);
} else if (wacom->id[1]) {
wacom_input_sync(wcombo); /* sync last event */
Expand All @@ -255,14 +254,14 @@ static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo)
case WACOM_MO:
if ((data[7] & 0xf8) || (data[8] & 0xff)) {
wacom_input_sync(wcombo); /* sync last event */
wacom->id[1] = 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));
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, 0xf0);
wacom_report_abs(wcombo, ABS_MISC, PAD_DEVICE_ID);
wacom_report_abs(wcombo, ABS_MISC, wacom->id[1]);
wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xf0);
} else if (wacom->id[1]) {
wacom_input_sync(wcombo); /* sync last event */
Expand Down

0 comments on commit e34b9d2

Please sign in to comment.