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wacom_wac.c
4720 lines (4142 loc) · 147 KB
/
wacom_wac.c
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/*
* drivers/input/tablet/wacom_wac.c
*
* USB Wacom tablet support - Wacom specific code
*
*/
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#include "wacom_wac.h"
#include "wacom.h"
#include <linux/input/mt.h>
/* resolution for penabled devices */
#define WACOM_PL_RES 20
#define WACOM_PENPRTN_RES 40
#define WACOM_VOLITO_RES 50
#define WACOM_GRAPHIRE_RES 80
#define WACOM_INTUOS_RES 100
#define WACOM_INTUOS3_RES 200
/* Newer Cintiq and DTU have an offset between tablet and screen areas */
#define WACOM_DTU_OFFSET 200
#define WACOM_CINTIQ_OFFSET 400
/*
* Scale factor relating reported contact size to logical contact area.
* 2^14/pi is a good approximation on Intuos5 and 3rd-gen Bamboo
*/
#define WACOM_CONTACT_AREA_SCALE 2607
static bool touch_arbitration = 1;
module_param(touch_arbitration, bool, 0644);
MODULE_PARM_DESC(touch_arbitration, " on (Y) off (N)");
static void wacom_report_numbered_buttons(struct input_dev *input_dev,
int button_count, int mask);
static int wacom_numbered_button_to_key(int n);
static void wacom_update_led(struct wacom *wacom, int button_count, int mask,
int group);
/*
* Percent of battery capacity for Graphire.
* 8th value means AC online and show 100% capacity.
*/
static unsigned short batcap_gr[8] = { 1, 15, 25, 35, 50, 70, 100, 100 };
/*
* Percent of battery capacity for Intuos4 WL, AC has a separate bit.
*/
static unsigned short batcap_i4[8] = { 1, 15, 30, 45, 60, 70, 85, 100 };
static void __wacom_notify_battery(struct wacom_battery *battery,
int bat_status, int bat_capacity,
bool bat_charging, bool bat_connected,
bool ps_connected)
{
bool changed = battery->bat_status != bat_status ||
battery->battery_capacity != bat_capacity ||
battery->bat_charging != bat_charging ||
battery->bat_connected != bat_connected ||
battery->ps_connected != ps_connected;
if (changed) {
battery->bat_status = bat_status;
battery->battery_capacity = bat_capacity;
battery->bat_charging = bat_charging;
battery->bat_connected = bat_connected;
battery->ps_connected = ps_connected;
if (battery->battery)
power_supply_changed(battery->battery);
}
}
static void wacom_notify_battery(struct wacom_wac *wacom_wac,
int bat_status, int bat_capacity, bool bat_charging,
bool bat_connected, bool ps_connected)
{
struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
__wacom_notify_battery(&wacom->battery, bat_status, bat_capacity,
bat_charging, bat_connected, ps_connected);
}
static int wacom_penpartner_irq(struct wacom_wac *wacom)
{
unsigned char *data = wacom->data;
struct input_dev *input = wacom->pen_input;
switch (data[0]) {
case 1:
if (data[5] & 0x80) {
wacom->tool[0] = (data[5] & 0x20) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
wacom->id[0] = (data[5] & 0x20) ? ERASER_DEVICE_ID : STYLUS_DEVICE_ID;
input_report_key(input, wacom->tool[0], 1);
input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
input_report_abs(input, ABS_X, get_unaligned_le16(&data[1]));
input_report_abs(input, ABS_Y, get_unaligned_le16(&data[3]));
input_report_abs(input, ABS_PRESSURE, (signed char)data[6] + 127);
input_report_key(input, BTN_TOUCH, ((signed char)data[6] > -127));
input_report_key(input, BTN_STYLUS, (data[5] & 0x40));
} else {
input_report_key(input, wacom->tool[0], 0);
input_report_abs(input, ABS_MISC, 0); /* report tool id */
input_report_abs(input, ABS_PRESSURE, -1);
input_report_key(input, BTN_TOUCH, 0);
}
break;
case 2:
input_report_key(input, BTN_TOOL_PEN, 1);
input_report_abs(input, ABS_MISC, STYLUS_DEVICE_ID); /* report tool id */
input_report_abs(input, ABS_X, get_unaligned_le16(&data[1]));
input_report_abs(input, ABS_Y, get_unaligned_le16(&data[3]));
input_report_abs(input, ABS_PRESSURE, (signed char)data[6] + 127);
input_report_key(input, BTN_TOUCH, ((signed char)data[6] > -80) && !(data[5] & 0x20));
input_report_key(input, BTN_STYLUS, (data[5] & 0x40));
break;
default:
dev_dbg(input->dev.parent,
"%s: received unknown report #%d\n", __func__, data[0]);
return 0;
}
return 1;
}
static int wacom_pl_irq(struct wacom_wac *wacom)
{
struct wacom_features *features = &wacom->features;
unsigned char *data = wacom->data;
struct input_dev *input = wacom->pen_input;
int prox, pressure;
if (data[0] != WACOM_REPORT_PENABLED) {
dev_dbg(input->dev.parent,
"%s: received unknown report #%d\n", __func__, data[0]);
return 0;
}
prox = data[1] & 0x40;
if (!wacom->id[0]) {
if ((data[0] & 0x10) || (data[4] & 0x20)) {
wacom->tool[0] = BTN_TOOL_RUBBER;
wacom->id[0] = ERASER_DEVICE_ID;
}
else {
wacom->tool[0] = BTN_TOOL_PEN;
wacom->id[0] = STYLUS_DEVICE_ID;
}
}
/* If the eraser is in prox, STYLUS2 is always set. If we
* mis-detected the type and notice that STYLUS2 isn't set
* then force the eraser out of prox and let the pen in.
*/
if (wacom->tool[0] == BTN_TOOL_RUBBER && !(data[4] & 0x20)) {
input_report_key(input, BTN_TOOL_RUBBER, 0);
input_report_abs(input, ABS_MISC, 0);
input_sync(input);
wacom->tool[0] = BTN_TOOL_PEN;
wacom->id[0] = STYLUS_DEVICE_ID;
}
if (prox) {
pressure = (signed char)((data[7] << 1) | ((data[4] >> 2) & 1));
if (features->pressure_max > 255)
pressure = (pressure << 1) | ((data[4] >> 6) & 1);
pressure += (features->pressure_max + 1) / 2;
input_report_abs(input, ABS_X, data[3] | (data[2] << 7) | ((data[1] & 0x03) << 14));
input_report_abs(input, ABS_Y, data[6] | (data[5] << 7) | ((data[4] & 0x03) << 14));
input_report_abs(input, ABS_PRESSURE, pressure);
input_report_key(input, BTN_TOUCH, data[4] & 0x08);
input_report_key(input, BTN_STYLUS, data[4] & 0x10);
/* Only allow the stylus2 button to be reported for the pen tool. */
input_report_key(input, BTN_STYLUS2, (wacom->tool[0] == BTN_TOOL_PEN) && (data[4] & 0x20));
}
if (!prox)
wacom->id[0] = 0;
input_report_key(input, wacom->tool[0], prox);
input_report_abs(input, ABS_MISC, wacom->id[0]);
return 1;
}
static int wacom_ptu_irq(struct wacom_wac *wacom)
{
unsigned char *data = wacom->data;
struct input_dev *input = wacom->pen_input;
if (data[0] != WACOM_REPORT_PENABLED) {
dev_dbg(input->dev.parent,
"%s: received unknown report #%d\n", __func__, data[0]);
return 0;
}
if (data[1] & 0x04) {
input_report_key(input, BTN_TOOL_RUBBER, data[1] & 0x20);
input_report_key(input, BTN_TOUCH, data[1] & 0x08);
wacom->id[0] = ERASER_DEVICE_ID;
} else {
input_report_key(input, BTN_TOOL_PEN, data[1] & 0x20);
input_report_key(input, BTN_TOUCH, data[1] & 0x01);
wacom->id[0] = STYLUS_DEVICE_ID;
}
input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
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_STYLUS, data[1] & 0x02);
input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
return 1;
}
static int wacom_dtu_irq(struct wacom_wac *wacom)
{
unsigned char *data = wacom->data;
struct input_dev *input = wacom->pen_input;
int prox = data[1] & 0x20;
dev_dbg(input->dev.parent,
"%s: received report #%d", __func__, data[0]);
if (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;
}
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]));
input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
input_report_abs(input, ABS_PRESSURE, ((data[7] & 0x01) << 8) | data[6]);
input_report_key(input, BTN_TOUCH, data[1] & 0x05);
if (!prox) /* out-prox */
wacom->id[0] = 0;
input_report_key(input, wacom->tool[0], prox);
input_report_abs(input, ABS_MISC, wacom->id[0]);
return 1;
}
static int wacom_dtus_irq(struct wacom_wac *wacom)
{
char *data = wacom->data;
struct input_dev *input = wacom->pen_input;
unsigned short prox, pressure = 0;
if (data[0] != WACOM_REPORT_DTUS && data[0] != WACOM_REPORT_DTUSPAD) {
dev_dbg(input->dev.parent,
"%s: received unknown report #%d", __func__, data[0]);
return 0;
} else if (data[0] == WACOM_REPORT_DTUSPAD) {
input = wacom->pad_input;
input_report_key(input, BTN_0, (data[1] & 0x01));
input_report_key(input, BTN_1, (data[1] & 0x02));
input_report_key(input, BTN_2, (data[1] & 0x04));
input_report_key(input, BTN_3, (data[1] & 0x08));
input_report_abs(input, ABS_MISC,
data[1] & 0x0f ? PAD_DEVICE_ID : 0);
return 1;
} else {
prox = data[1] & 0x80;
if (prox) {
switch ((data[1] >> 3) & 3) {
case 1: /* Rubber */
wacom->tool[0] = BTN_TOOL_RUBBER;
wacom->id[0] = ERASER_DEVICE_ID;
break;
case 2: /* Pen */
wacom->tool[0] = BTN_TOOL_PEN;
wacom->id[0] = STYLUS_DEVICE_ID;
break;
}
}
input_report_key(input, BTN_STYLUS, data[1] & 0x20);
input_report_key(input, BTN_STYLUS2, data[1] & 0x40);
input_report_abs(input, ABS_X, get_unaligned_be16(&data[3]));
input_report_abs(input, ABS_Y, get_unaligned_be16(&data[5]));
pressure = ((data[1] & 0x03) << 8) | (data[2] & 0xff);
input_report_abs(input, ABS_PRESSURE, pressure);
input_report_key(input, BTN_TOUCH, pressure > 10);
if (!prox) /* out-prox */
wacom->id[0] = 0;
input_report_key(input, wacom->tool[0], prox);
input_report_abs(input, ABS_MISC, wacom->id[0]);
return 1;
}
}
static int wacom_graphire_irq(struct wacom_wac *wacom)
{
struct wacom_features *features = &wacom->features;
unsigned char *data = wacom->data;
struct input_dev *input = wacom->pen_input;
struct input_dev *pad_input = wacom->pad_input;
int battery_capacity, ps_connected;
int prox;
int rw = 0;
int retval = 0;
if (features->type == GRAPHIRE_BT) {
if (data[0] != WACOM_REPORT_PENABLED_BT) {
dev_dbg(input->dev.parent,
"%s: received unknown report #%d\n", __func__,
data[0]);
goto exit;
}
} else if (data[0] != WACOM_REPORT_PENABLED) {
dev_dbg(input->dev.parent,
"%s: received unknown report #%d\n", __func__, data[0]);
goto exit;
}
prox = data[1] & 0x80;
if (prox || wacom->id[0]) {
if (prox) {
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;
wacom->id[0] = ERASER_DEVICE_ID;
break;
case 2: /* Mouse with wheel */
input_report_key(input, BTN_MIDDLE, data[1] & 0x04);
/* fall through */
case 3: /* Mouse without wheel */
wacom->tool[0] = BTN_TOOL_MOUSE;
wacom->id[0] = CURSOR_DEVICE_ID;
break;
}
}
input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
if (wacom->tool[0] != BTN_TOOL_MOUSE) {
if (features->type == GRAPHIRE_BT)
input_report_abs(input, ABS_PRESSURE, data[6] |
(((__u16) (data[1] & 0x08)) << 5));
else
input_report_abs(input, ABS_PRESSURE, data[6] |
((data[7] & 0x03) << 8));
input_report_key(input, BTN_TOUCH, data[1] & 0x01);
input_report_key(input, BTN_STYLUS, data[1] & 0x02);
input_report_key(input, BTN_STYLUS2, data[1] & 0x04);
} else {
input_report_key(input, BTN_LEFT, data[1] & 0x01);
input_report_key(input, BTN_RIGHT, data[1] & 0x02);
if (features->type == WACOM_G4 ||
features->type == WACOM_MO) {
input_report_abs(input, ABS_DISTANCE, data[6] & 0x3f);
rw = (data[7] & 0x04) - (data[7] & 0x03);
} else if (features->type == GRAPHIRE_BT) {
/* Compute distance between mouse and tablet */
rw = 44 - (data[6] >> 2);
rw = clamp_val(rw, 0, 31);
input_report_abs(input, ABS_DISTANCE, rw);
if (((data[1] >> 5) & 3) == 2) {
/* Mouse with wheel */
input_report_key(input, BTN_MIDDLE,
data[1] & 0x04);
rw = (data[6] & 0x01) ? -1 :
(data[6] & 0x02) ? 1 : 0;
} else {
rw = 0;
}
} else {
input_report_abs(input, ABS_DISTANCE, data[7] & 0x3f);
rw = -(signed char)data[6];
}
input_report_rel(input, REL_WHEEL, rw);
}
if (!prox)
wacom->id[0] = 0;
input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
input_report_key(input, wacom->tool[0], prox);
input_sync(input); /* sync last event */
}
/* send pad data */
switch (features->type) {
case WACOM_G4:
prox = data[7] & 0xf8;
if (prox || wacom->id[1]) {
wacom->id[1] = PAD_DEVICE_ID;
input_report_key(pad_input, BTN_BACK, (data[7] & 0x40));
input_report_key(pad_input, BTN_FORWARD, (data[7] & 0x80));
rw = ((data[7] & 0x18) >> 3) - ((data[7] & 0x20) >> 3);
input_report_rel(pad_input, REL_WHEEL, rw);
if (!prox)
wacom->id[1] = 0;
input_report_abs(pad_input, ABS_MISC, wacom->id[1]);
retval = 1;
}
break;
case WACOM_MO:
prox = (data[7] & 0xf8) || data[8];
if (prox || wacom->id[1]) {
wacom->id[1] = PAD_DEVICE_ID;
input_report_key(pad_input, BTN_BACK, (data[7] & 0x08));
input_report_key(pad_input, BTN_LEFT, (data[7] & 0x20));
input_report_key(pad_input, BTN_FORWARD, (data[7] & 0x10));
input_report_key(pad_input, BTN_RIGHT, (data[7] & 0x40));
input_report_abs(pad_input, ABS_WHEEL, (data[8] & 0x7f));
if (!prox)
wacom->id[1] = 0;
input_report_abs(pad_input, ABS_MISC, wacom->id[1]);
retval = 1;
}
break;
case GRAPHIRE_BT:
prox = data[7] & 0x03;
if (prox || wacom->id[1]) {
wacom->id[1] = PAD_DEVICE_ID;
input_report_key(pad_input, BTN_0, (data[7] & 0x02));
input_report_key(pad_input, BTN_1, (data[7] & 0x01));
if (!prox)
wacom->id[1] = 0;
input_report_abs(pad_input, ABS_MISC, wacom->id[1]);
retval = 1;
}
break;
}
/* Store current battery capacity and power supply state */
if (features->type == GRAPHIRE_BT) {
rw = (data[7] >> 2 & 0x07);
battery_capacity = batcap_gr[rw];
ps_connected = rw == 7;
wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
battery_capacity, ps_connected, 1,
ps_connected);
}
exit:
return retval;
}
static void wacom_intuos_schedule_prox_event(struct wacom_wac *wacom_wac)
{
struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
struct wacom_features *features = &wacom_wac->features;
struct hid_report *r;
struct hid_report_enum *re;
re = &(wacom->hdev->report_enum[HID_FEATURE_REPORT]);
if (features->type == INTUOSHT2)
r = re->report_id_hash[WACOM_REPORT_INTUOSHT2_ID];
else
r = re->report_id_hash[WACOM_REPORT_INTUOS_ID1];
if (r) {
hid_hw_request(wacom->hdev, r, HID_REQ_GET_REPORT);
}
}
static int wacom_intuos_pad(struct wacom_wac *wacom)
{
struct wacom_features *features = &wacom->features;
unsigned char *data = wacom->data;
struct input_dev *input = wacom->pad_input;
int i;
int buttons = 0, nbuttons = features->numbered_buttons;
int keys = 0, nkeys = 0;
int ring1 = 0, ring2 = 0;
int strip1 = 0, strip2 = 0;
bool prox = false;
/* pad packets. Works as a second tool and is always in prox */
if (!(data[0] == WACOM_REPORT_INTUOSPAD || data[0] == WACOM_REPORT_INTUOS5PAD ||
data[0] == WACOM_REPORT_CINTIQPAD))
return 0;
if (features->type >= INTUOS4S && features->type <= INTUOS4L) {
buttons = (data[3] << 1) | (data[2] & 0x01);
ring1 = data[1];
} else if (features->type == DTK) {
buttons = data[6];
} else if (features->type == WACOM_13HD) {
buttons = (data[4] << 1) | (data[3] & 0x01);
} else if (features->type == WACOM_24HD) {
buttons = (data[8] << 8) | data[6];
ring1 = data[1];
ring2 = data[2];
/*
* Three "buttons" are available on the 24HD which are
* physically implemented as a touchstrip. Each button
* is approximately 3 bits wide with a 2 bit spacing.
* The raw touchstrip bits are stored at:
* ((data[3] & 0x1f) << 8) | data[4])
*/
nkeys = 3;
keys = ((data[3] & 0x1C) ? 1<<2 : 0) |
((data[4] & 0xE0) ? 1<<1 : 0) |
((data[4] & 0x07) ? 1<<0 : 0);
} else if (features->type == WACOM_27QHD) {
nkeys = 3;
keys = data[2] & 0x07;
input_report_abs(input, ABS_X, be16_to_cpup((__be16 *)&data[4]));
input_report_abs(input, ABS_Y, be16_to_cpup((__be16 *)&data[6]));
input_report_abs(input, ABS_Z, be16_to_cpup((__be16 *)&data[8]));
} else if (features->type == CINTIQ_HYBRID) {
/*
* Do not send hardware buttons under Android. They
* are already sent to the system through GPIO (and
* have different meaning).
*
* d-pad right -> data[4] & 0x10
* d-pad up -> data[4] & 0x20
* d-pad left -> data[4] & 0x40
* d-pad down -> data[4] & 0x80
* d-pad center -> data[3] & 0x01
*/
buttons = (data[4] << 1) | (data[3] & 0x01);
} else if (features->type == CINTIQ_COMPANION_2) {
/* d-pad right -> data[4] & 0x10
* d-pad up -> data[4] & 0x20
* d-pad left -> data[4] & 0x40
* d-pad down -> data[4] & 0x80
* d-pad center -> data[3] & 0x01
*/
buttons = ((data[2] >> 4) << 7) |
((data[1] & 0x04) << 6) |
((data[2] & 0x0F) << 2) |
(data[1] & 0x03);
} else if (features->type >= INTUOS5S && features->type <= INTUOSPL) {
/*
* ExpressKeys on Intuos5/Intuos Pro have a capacitive sensor in
* addition to the mechanical switch. Switch data is
* stored in data[4], capacitive data in data[5].
*
* Touch ring mode switch (data[3]) has no capacitive sensor
*/
buttons = (data[4] << 1) | (data[3] & 0x01);
ring1 = data[2];
} else {
if (features->type == WACOM_21UX2 || features->type == WACOM_22HD) {
buttons = (data[8] << 10) | ((data[7] & 0x01) << 9) |
(data[6] << 1) | (data[5] & 0x01);
if (features->type == WACOM_22HD) {
nkeys = 3;
keys = data[9] & 0x07;
}
} else {
buttons = ((data[6] & 0x10) << 5) |
((data[5] & 0x10) << 4) |
((data[6] & 0x0F) << 4) |
(data[5] & 0x0F);
}
strip1 = ((data[1] & 0x1f) << 8) | data[2];
strip2 = ((data[3] & 0x1f) << 8) | data[4];
}
prox = (buttons & ~(~0 << nbuttons)) | (keys & ~(~0 << nkeys)) |
(ring1 & 0x80) | (ring2 & 0x80) | strip1 | strip2;
wacom_report_numbered_buttons(input, nbuttons, buttons);
for (i = 0; i < nkeys; i++)
input_report_key(input, KEY_PROG1 + i, keys & (1 << i));
input_report_abs(input, ABS_RX, strip1);
input_report_abs(input, ABS_RY, strip2);
input_report_abs(input, ABS_WHEEL, (ring1 & 0x80) ? (ring1 & 0x7f) : 0);
input_report_abs(input, ABS_THROTTLE, (ring2 & 0x80) ? (ring2 & 0x7f) : 0);
input_report_key(input, wacom->tool[1], prox ? 1 : 0);
input_report_abs(input, ABS_MISC, prox ? PAD_DEVICE_ID : 0);
input_event(input, EV_MSC, MSC_SERIAL, 0xffffffff);
return 1;
}
static int wacom_intuos_id_mangle(int tool_id)
{
return (tool_id & ~0xFFF) << 4 | (tool_id & 0xFFF);
}
static int wacom_intuos_get_tool_type(int tool_id)
{
int tool_type;
switch (tool_id) {
case 0x812: /* Inking pen */
case 0x801: /* Intuos3 Inking pen */
case 0x12802: /* Intuos4/5 Inking Pen */
case 0x012:
tool_type = BTN_TOOL_PENCIL;
break;
case 0x822: /* Pen */
case 0x842:
case 0x852:
case 0x823: /* Intuos3 Grip Pen */
case 0x813: /* Intuos3 Classic Pen */
case 0x885: /* Intuos3 Marker Pen */
case 0x802: /* Intuos4/5 13HD/24HD General Pen */
case 0x804: /* Intuos4/5 13HD/24HD Marker Pen */
case 0x8e2: /* IntuosHT2 pen */
case 0x022:
case 0x10804: /* Intuos4/5 13HD/24HD Art Pen */
case 0x14802: /* Intuos4/5 13HD/24HD Classic Pen */
case 0x16802: /* Cintiq 13HD Pro Pen */
case 0x18802: /* DTH2242 Pen */
case 0x10802: /* Intuos4/5 13HD/24HD General Pen */
tool_type = BTN_TOOL_PEN;
break;
case 0x832: /* Stroke pen */
case 0x032:
tool_type = BTN_TOOL_BRUSH;
break;
case 0x007: /* Mouse 4D and 2D */
case 0x09c:
case 0x094:
case 0x017: /* Intuos3 2D Mouse */
case 0x806: /* Intuos4 Mouse */
tool_type = BTN_TOOL_MOUSE;
break;
case 0x096: /* Lens cursor */
case 0x097: /* Intuos3 Lens cursor */
case 0x006: /* Intuos4 Lens cursor */
tool_type = BTN_TOOL_LENS;
break;
case 0x82a: /* Eraser */
case 0x84a:
case 0x85a:
case 0x91a:
case 0xd1a:
case 0x0fa:
case 0x82b: /* Intuos3 Grip Pen Eraser */
case 0x81b: /* Intuos3 Classic Pen Eraser */
case 0x91b: /* Intuos3 Airbrush Eraser */
case 0x80c: /* Intuos4/5 13HD/24HD Marker Pen Eraser */
case 0x80a: /* Intuos4/5 13HD/24HD General Pen Eraser */
case 0x90a: /* Intuos4/5 13HD/24HD Airbrush Eraser */
case 0x1480a: /* Intuos4/5 13HD/24HD Classic Pen Eraser */
case 0x1090a: /* Intuos4/5 13HD/24HD Airbrush Eraser */
case 0x1080c: /* Intuos4/5 13HD/24HD Art Pen Eraser */
case 0x1680a: /* Cintiq 13HD Pro Pen Eraser */
case 0x1880a: /* DTH2242 Eraser */
case 0x1080a: /* Intuos4/5 13HD/24HD General Pen Eraser */
tool_type = BTN_TOOL_RUBBER;
break;
case 0xd12:
case 0x912:
case 0x112:
case 0x913: /* Intuos3 Airbrush */
case 0x902: /* Intuos4/5 13HD/24HD Airbrush */
case 0x10902: /* Intuos4/5 13HD/24HD Airbrush */
tool_type = BTN_TOOL_AIRBRUSH;
break;
default: /* Unknown tool */
tool_type = BTN_TOOL_PEN;
break;
}
return tool_type;
}
static int wacom_intuos_inout(struct wacom_wac *wacom)
{
struct wacom_features *features = &wacom->features;
unsigned char *data = wacom->data;
struct input_dev *input = wacom->pen_input;
int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0;
if (!(((data[1] & 0xfc) == 0xc0) || /* in prox */
((data[1] & 0xfe) == 0x20) || /* in range */
((data[1] & 0xfe) == 0x80))) /* out prox */
return 0;
/* Enter report */
if ((data[1] & 0xfc) == 0xc0) {
/* serial number of the tool */
wacom->serial[idx] = ((data[3] & 0x0f) << 28) +
(data[4] << 20) + (data[5] << 12) +
(data[6] << 4) + (data[7] >> 4);
wacom->id[idx] = (data[2] << 4) | (data[3] >> 4) |
((data[7] & 0x0f) << 16) | ((data[8] & 0xf0) << 8);
wacom->tool[idx] = wacom_intuos_get_tool_type(wacom->id[idx]);
wacom->shared->stylus_in_proximity = true;
return 1;
}
/* in Range */
if ((data[1] & 0xfe) == 0x20) {
if (features->type != INTUOSHT2)
wacom->shared->stylus_in_proximity = true;
/* in Range while exiting */
if (wacom->reporting_data) {
input_report_key(input, BTN_TOUCH, 0);
input_report_abs(input, ABS_PRESSURE, 0);
input_report_abs(input, ABS_DISTANCE, wacom->features.distance_max);
return 2;
}
return 1;
}
/* Exit report */
if ((data[1] & 0xfe) == 0x80) {
wacom->shared->stylus_in_proximity = false;
wacom->reporting_data = false;
/* don't report exit if we don't know the ID */
if (!wacom->id[idx])
return 1;
/*
* Reset all states otherwise we lose the initial states
* when in-prox next time
*/
input_report_abs(input, ABS_X, 0);
input_report_abs(input, ABS_Y, 0);
input_report_abs(input, ABS_DISTANCE, 0);
input_report_abs(input, ABS_TILT_X, 0);
input_report_abs(input, ABS_TILT_Y, 0);
if (wacom->tool[idx] >= BTN_TOOL_MOUSE) {
input_report_key(input, BTN_LEFT, 0);
input_report_key(input, BTN_MIDDLE, 0);
input_report_key(input, BTN_RIGHT, 0);
input_report_key(input, BTN_SIDE, 0);
input_report_key(input, BTN_EXTRA, 0);
input_report_abs(input, ABS_THROTTLE, 0);
input_report_abs(input, ABS_RZ, 0);
} else {
input_report_abs(input, ABS_PRESSURE, 0);
input_report_key(input, BTN_STYLUS, 0);
input_report_key(input, BTN_STYLUS2, 0);
input_report_key(input, BTN_TOUCH, 0);
input_report_abs(input, ABS_WHEEL, 0);
if (features->type >= INTUOS3S)
input_report_abs(input, ABS_Z, 0);
}
input_report_key(input, wacom->tool[idx], 0);
input_report_abs(input, ABS_MISC, 0); /* reset tool id */
input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
wacom->id[idx] = 0;
return 2;
}
return 0;
}
static inline bool report_touch_events(struct wacom_wac *wacom)
{
return (touch_arbitration ? !wacom->shared->stylus_in_proximity : 1);
}
static inline bool delay_pen_events(struct wacom_wac *wacom)
{
return (wacom->shared->touch_down && touch_arbitration);
}
static int wacom_intuos_general(struct wacom_wac *wacom)
{
struct wacom_features *features = &wacom->features;
unsigned char *data = wacom->data;
struct input_dev *input = wacom->pen_input;
int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0;
unsigned char type = (data[1] >> 1) & 0x0F;
unsigned int x, y, distance, t;
if (data[0] != WACOM_REPORT_PENABLED && data[0] != WACOM_REPORT_CINTIQ &&
data[0] != WACOM_REPORT_INTUOS_PEN)
return 0;
if (delay_pen_events(wacom))
return 1;
/* don't report events if we don't know the tool ID */
if (!wacom->id[idx]) {
/* but reschedule a read of the current tool */
wacom_intuos_schedule_prox_event(wacom);
return 1;
}
/*
* don't report events for invalid data
*/
/* older I4 styli don't work with new Cintiqs */
if ((!((wacom->id[idx] >> 16) & 0x01) &&
(features->type == WACOM_21UX2)) ||
/* Only large Intuos support Lense Cursor */
(wacom->tool[idx] == BTN_TOOL_LENS &&
(features->type == INTUOS3 ||
features->type == INTUOS3S ||
features->type == INTUOS4 ||
features->type == INTUOS4S ||
features->type == INTUOS5 ||
features->type == INTUOS5S ||
features->type == INTUOSPM ||
features->type == INTUOSPS)) ||
/* Cintiq doesn't send data when RDY bit isn't set */
(features->type == CINTIQ && !(data[1] & 0x40)))
return 1;
x = (be16_to_cpup((__be16 *)&data[2]) << 1) | ((data[9] >> 1) & 1);
y = (be16_to_cpup((__be16 *)&data[4]) << 1) | (data[9] & 1);
distance = data[9] >> 2;
if (features->type < INTUOS3S) {
x >>= 1;
y >>= 1;
distance >>= 1;
}
input_report_abs(input, ABS_X, x);
input_report_abs(input, ABS_Y, y);
input_report_abs(input, ABS_DISTANCE, distance);
switch (type) {
case 0x00:
case 0x01:
case 0x02:
case 0x03:
/* general pen packet */
t = (data[6] << 3) | ((data[7] & 0xC0) >> 5) | (data[1] & 1);
if (features->pressure_max < 2047)
t >>= 1;
input_report_abs(input, ABS_PRESSURE, t);
if (features->type != INTUOSHT2) {
input_report_abs(input, ABS_TILT_X,
(((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
}
input_report_key(input, BTN_STYLUS, data[1] & 2);
input_report_key(input, BTN_STYLUS2, data[1] & 4);
input_report_key(input, BTN_TOUCH, t > 10);
break;
case 0x0a:
/* airbrush second packet */
input_report_abs(input, ABS_WHEEL,
(data[6] << 2) | ((data[7] >> 6) & 3));
input_report_abs(input, ABS_TILT_X,
(((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
break;
case 0x05:
/* Rotation packet */
if (features->type >= INTUOS3S) {
/* I3 marker pen rotation */
t = (data[6] << 3) | ((data[7] >> 5) & 7);
t = (data[7] & 0x20) ? ((t > 900) ? ((t-1) / 2 - 1350) :
((t-1) / 2 + 450)) : (450 - t / 2) ;
input_report_abs(input, ABS_Z, t);
} else {
/* 4D mouse 2nd packet */
t = (data[6] << 3) | ((data[7] >> 5) & 7);
input_report_abs(input, ABS_RZ, (data[7] & 0x20) ?
((t - 1) / 2) : -t / 2);
}
break;
case 0x04:
/* 4D mouse 1st packet */
input_report_key(input, BTN_LEFT, data[8] & 0x01);
input_report_key(input, BTN_MIDDLE, data[8] & 0x02);
input_report_key(input, BTN_RIGHT, data[8] & 0x04);
input_report_key(input, BTN_SIDE, data[8] & 0x20);
input_report_key(input, BTN_EXTRA, data[8] & 0x10);
t = (data[6] << 2) | ((data[7] >> 6) & 3);
input_report_abs(input, ABS_THROTTLE, (data[8] & 0x08) ? -t : t);
break;
case 0x06:
/* I4 mouse */
input_report_key(input, BTN_LEFT, data[6] & 0x01);
input_report_key(input, BTN_MIDDLE, data[6] & 0x02);
input_report_key(input, BTN_RIGHT, data[6] & 0x04);
input_report_rel(input, REL_WHEEL, ((data[7] & 0x80) >> 7)
- ((data[7] & 0x40) >> 6));
input_report_key(input, BTN_SIDE, data[6] & 0x08);
input_report_key(input, BTN_EXTRA, data[6] & 0x10);
input_report_abs(input, ABS_TILT_X,
(((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
break;
case 0x08:
if (wacom->tool[idx] == BTN_TOOL_MOUSE) {
/* 2D mouse packet */
input_report_key(input, BTN_LEFT, data[8] & 0x04);
input_report_key(input, BTN_MIDDLE, data[8] & 0x08);
input_report_key(input, BTN_RIGHT, data[8] & 0x10);
input_report_rel(input, REL_WHEEL, (data[8] & 0x01)
- ((data[8] & 0x02) >> 1));
/* I3 2D mouse side buttons */
if (features->type >= INTUOS3S && features->type <= INTUOS3L) {
input_report_key(input, BTN_SIDE, data[8] & 0x40);
input_report_key(input, BTN_EXTRA, data[8] & 0x20);
}
}
else if (wacom->tool[idx] == BTN_TOOL_LENS) {
/* Lens cursor packets */
input_report_key(input, BTN_LEFT, data[8] & 0x01);
input_report_key(input, BTN_MIDDLE, data[8] & 0x02);
input_report_key(input, BTN_RIGHT, data[8] & 0x04);
input_report_key(input, BTN_SIDE, data[8] & 0x10);
input_report_key(input, BTN_EXTRA, data[8] & 0x08);
}
break;
case 0x07:
case 0x09:
case 0x0b:
case 0x0c:
case 0x0d:
case 0x0e:
case 0x0f:
/* unhandled */
break;
}
input_report_abs(input, ABS_MISC,
wacom_intuos_id_mangle(wacom->id[idx])); /* report tool id */
input_report_key(input, wacom->tool[idx], 1);
input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
wacom->reporting_data = true;
return 2;
}
static int wacom_intuos_irq(struct wacom_wac *wacom)
{
unsigned char *data = wacom->data;
struct input_dev *input = wacom->pen_input;
int result;
if (data[0] != WACOM_REPORT_PENABLED &&
data[0] != WACOM_REPORT_INTUOS_ID1 &&
data[0] != WACOM_REPORT_INTUOS_ID2 &&
data[0] != WACOM_REPORT_INTUOSPAD &&
data[0] != WACOM_REPORT_INTUOS_PEN &&
data[0] != WACOM_REPORT_CINTIQ &&
data[0] != WACOM_REPORT_CINTIQPAD &&
data[0] != WACOM_REPORT_INTUOS5PAD) {
dev_dbg(input->dev.parent,
"%s: received unknown report #%d\n", __func__, data[0]);
return 0;
}
/* process pad events */
result = wacom_intuos_pad(wacom);
if (result)
return result;
/* process in/out prox events */
result = wacom_intuos_inout(wacom);
if (result)
return result - 1;
/* process general packets */
result = wacom_intuos_general(wacom);
if (result)
return result - 1;
return 0;
}
static int wacom_remote_irq(struct wacom_wac *wacom_wac, size_t len)
{
unsigned char *data = wacom_wac->data;