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coral / linux-mtk / 7955fabe2849bde0b3dbab2aba671f173178fabf / . / drivers / hid / wacom_wac.c
blob: 77bb46948eea83251f98b9b8061f0f26f1a0fd0c [file] [log] [blame]
/*
* 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)
{
unsigned 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[2] & 0x10
* d-pad up -> data[2] & 0x20
* d-pad left -> data[2] & 0x40
* d-pad down -> data[2] & 0x80
* d-pad center -> data[1] & 0x01
*/
buttons = ((data[2] >> 4) << 7) |
((data[1] & 0x04) << 4) |
((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 & ~(~0U << nbuttons)) | (keys & ~(~0U << 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 void wacom_exit_report(struct wacom_wac *wacom)
{
struct input_dev *input = wacom->pen_input;
struct wacom_features *features = &wacom->features;
unsigned char *data = wacom->data;
int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0;
/*
* 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;
}
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;
wacom_exit_report(wacom);
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;
}
if (features->type == INTUOSHT2)
distance = features->distance_max - distance;
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;
struct input_dev *input;
struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
struct wacom_remote *remote = wacom->remote;
int bat_charging, bat_percent, touch_ring_mode;
__u32 serial;
int i, index = -1;
unsigned long flags;
if (data[0] != WACOM_REPORT_REMOTE) {
hid_dbg(wacom->hdev, "%s: received unknown report #%d",
__func__, data[0]);
return 0;
}
serial = data[3] + (data[4] << 8) + (data[5] << 16);
wacom_wac->id[0] = PAD_DEVICE_ID;
spin_lock_irqsave(&remote->remote_lock, flags);
for (i = 0; i < WACOM_MAX_REMOTES; i++) {
if (remote->remotes[i].serial == serial) {
index = i;
break;
}
}
if (index < 0 || !remote->remotes[index].registered)
goto out;
input = remote->remotes[index].input;
input_report_key(input, BTN_0, (data[9] & 0x01));
input_report_key(input, BTN_1, (data[9] & 0x02));
input_report_key(input, BTN_2, (data[9] & 0x04));
input_report_key(input, BTN_3, (data[9] & 0x08));
input_report_key(input, BTN_4, (data[9] & 0x10));
input_report_key(input, BTN_5, (data[9] & 0x20));
input_report_key(input, BTN_6, (data[9] & 0x40));
input_report_key(input, BTN_7, (data[9] & 0x80));
input_report_key(input, BTN_8, (data[10] & 0x01));
input_report_key(input, BTN_9, (data[10] & 0x02));
input_report_key(input, BTN_A, (data[10] & 0x04));
input_report_key(input, BTN_B, (data[10] & 0x08));
input_report_key(input, BTN_C, (data[10] & 0x10));
input_report_key(input, BTN_X, (data[10] & 0x20));
input_report_key(input, BTN_Y, (data[10] & 0x40));
input_report_key(input, BTN_Z, (data[10] & 0x80));
input_report_key(input, BTN_BASE, (data[11] & 0x01));
input_report_key(input, BTN_BASE2, (data[11] & 0x02));
if (data[12] & 0x80)
input_report_abs(input, ABS_WHEEL, (data[12] & 0x7f) - 1);
else
input_report_abs(input, ABS_WHEEL, 0);
bat_percent = data[7] & 0x7f;
bat_charging = !!(data[7] & 0x80);
if (data[9] | data[10] | (data[11] & 0x03) | data[12])
input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
else
input_report_abs(input, ABS_MISC, 0);
input_event(input, EV_MSC, MSC_SERIAL, serial);
input_sync(input);
/*Which mode select (LED light) is currently on?*/
touch_ring_mode = (data[11] & 0xC0) >> 6;
for (i = 0; i < WACOM_MAX_REMOTES; i++) {
if (remote->remotes[i].serial == serial)
wacom->led.groups[i].select = touch_ring_mode;
}
__wacom_notify_battery(&remote->remotes[index].battery,
WACOM_POWER_SUPPLY_STATUS_AUTO, bat_percent,
bat_charging, 1, bat_charging);
out:
spin_unlock_irqrestore(&remote->remote_lock, flags);
return 0;
}
static void wacom_remote_status_irq(struct wacom_wac *wacom_wac, size_t len)
{
struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
unsigned char *data = wacom_wac->data;
struct wacom_remote *remote = wacom->remote;
struct wacom_remote_data remote_data;
unsigned long flags;
int i, ret;
if (data[0] != WACOM_REPORT_DEVICE_LIST)
return;
memset(&remote_data, 0, sizeof(struct wacom_remote_data));
for (i = 0; i < WACOM_MAX_REMOTES; i++) {
int j = i * 6;
int serial = (data[j+6] << 16) + (data[j+5] << 8) + data[j+4];
bool connected = data[j+2];
remote_data.remote[i].serial = serial;
remote_data.remote[i].connected = connected;
}
spin_lock_irqsave(&remote->remote_lock, flags);
ret = kfifo_in(&remote->remote_fifo, &remote_data, sizeof(remote_data));
if (ret != sizeof(remote_data)) {
spin_unlock_irqrestore(&remote->remote_lock, flags);
hid_err(wacom->hdev, "Can't queue Remote status event.\n");
return;
}
spin_unlock_irqrestore(&remote->remote_lock, flags);
wacom_schedule_work(wacom_wac, WACOM_WORKER_REMOTE);
}
static int int_dist(int x1, int y1, int x2, int y2)
{
int x = x2 - x1;
int y = y2 - y1;
return int_sqrt(x*x + y*y);
}
static void wacom_intuos_bt_process_data(struct wacom_wac *wacom,
unsigned char *data)
{
memcpy(wacom->data, data, 10);
wacom_intuos_irq(wacom);
input_sync(wacom->pen_input);
if (wacom->pad_input)
input_sync(wacom->pad_input);
}
static int wacom_intuos_bt_irq(struct wacom_wac *wacom, size_t len)
{
unsigned char data[WACOM_PKGLEN_MAX];
int i = 1;
unsigned power_raw, battery_capacity, bat_charging, ps_connected;
memcpy(data, wacom->data, len);
switch (data[0]) {
case 0x04:
wacom_intuos_bt_process_data(wacom, data + i);
i += 10;
/* fall through */
case 0x03:
wacom_intuos_bt_process_data(wacom, data + i);
i += 10;
wacom_intuos_bt_process_data(wacom, data + i);
i += 10;
power_raw = data[i];
bat_charging = (power_raw & 0x08) ? 1 : 0;
ps_connected = (power_raw & 0x10) ? 1 : 0;
battery_capacity = batcap_i4[power_raw & 0x07];
wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
battery_capacity, bat_charging,
battery_capacity || bat_charging,
ps_connected);
break;
default:
dev_dbg(wacom->pen_input->dev.parent,
"Unknown report: %d,%d size:%zu\n",
data[0], data[1], len);
return 0;
}
return 0;
}
static int wacom_wac_finger_count_touches(struct wacom_wac *wacom)
{
struct input_dev *input = wacom->touch_input;
unsigned touch_max = wacom->features.touch_max;
int count = 0;
int i;
if (!touch_max)
return 0;
if (touch_max == 1)
return test_bit(BTN_TOUCH, input->key) &&
report_touch_events(wacom);
for (i = 0; i < input->mt->num_slots; i++) {
struct input_mt_slot *ps = &input->mt->slots[i];
int id = input_mt_get_value(ps, ABS_MT_TRACKING_ID);
if (id >= 0)
count++;
}
return count;
}
static void wacom_intuos_pro2_bt_pen(struct wacom_wac *wacom)
{
int pen_frame_len, pen_frames;
struct input_dev *pen_input = wacom->pen_input;
unsigned char *data = wacom->data;
int i;
if (wacom->features.type == INTUOSP2_BT) {
wacom->serial[0] = get_unaligned_le64(&data[99]);
wacom->id[0] = get_unaligned_le16(&data[107]);
pen_frame_len = 14;
pen_frames = 7;
} else {
wacom->serial[0] = get_unaligned_le64(&data[33]);
wacom->id[0] = get_unaligned_le16(&data[41]);
pen_frame_len = 8;
pen_frames = 4;
}
if (wacom->serial[0] >> 52 == 1) {
/* Add back in missing bits of ID for non-USI pens */
wacom->id[0] |= (wacom->serial[0] >> 32) & 0xFFFFF;
}
for (i = 0; i < pen_frames; i++) {
unsigned char *frame = &data[i*pen_frame_len + 1];
bool valid = frame[0] & 0x80;
bool prox = frame[0] & 0x40;
bool range = frame[0] & 0x20;
bool invert = frame[0] & 0x10;
if (!valid)
continue;
if (!prox) {
wacom->shared->stylus_in_proximity = false;
wacom_exit_report(wacom);
input_sync(pen_input);
wacom->tool[0] = 0;
wacom->id[0] = 0;
wacom->serial[0] = 0;
return;
}
if (range) {
if (!wacom->tool[0]) { /* first in range */
/* Going into range select tool */
if (invert)
wacom->tool[0] = BTN_TOOL_RUBBER;
else if (wacom->id[0])
wacom->tool[0] = wacom_intuos_get_tool_type(wacom->id[0]);
else
wacom->tool[0] = BTN_TOOL_PEN;
}
input_report_abs(pen_input, ABS_X, get_unaligned_le16(&frame[1]));
input_report_abs(pen_input, ABS_Y, get_unaligned_le16(&frame[3]));
if (wacom->features.type == INTUOSP2_BT) {
/* Fix rotation alignment: userspace expects zero at left */
int16_t rotation =
(int16_t)get_unaligned_le16(&frame[9]);
rotation += 1800/4;
if (rotation > 899)
rotation -= 1800;
input_report_abs(pen_input, ABS_TILT_X,
(char)frame[7]);
input_report_abs(pen_input, ABS_TILT_Y,
(char)frame[8]);
input_report_abs(pen_input, ABS_Z, rotation);
input_report_abs(pen_input, ABS_WHEEL,
get_unaligned_le16(&frame[11]));
}
}
if (wacom->tool[0]) {
input_report_abs(pen_input, ABS_PRESSURE, get_unaligned_le16(&frame[5]));
if (wacom->features.type == INTUOSP2_BT) {
input_report_abs(pen_input, ABS_DISTANCE,
range ? frame[13] : wacom->features.distance_max);
} else {
input_report_abs(pen_input, ABS_DISTANCE,
range ? frame[7] : wacom->features.distance_max);
}
input_report_key(pen_input, BTN_TOUCH, frame[0] & 0x09);
input_report_key(pen_input, BTN_STYLUS, frame[0] & 0x02);
input_report_key(pen_input, BTN_STYLUS2, frame[0] & 0x04);
input_report_key(pen_input, wacom->tool[0], prox);
input_event(pen_input, EV_MSC, MSC_SERIAL, wacom->serial[0]);
input_report_abs(pen_input, ABS_MISC,
wacom_intuos_id_mangle(wacom->id[0])); /* report tool id */
}
wacom->shared->stylus_in_proximity = prox;
input_sync(pen_input);
}
}
static void wacom_intuos_pro2_bt_touch(struct wacom_wac *wacom)
{
const int finger_touch_len = 8;
const int finger_frames = 4;
const int finger_frame_len = 43;
struct input_dev *touch_input = wacom->touch_input;
unsigned char *data = wacom->data;
int num_contacts_left = 5;
int i, j;
for (i = 0; i < finger_frames; i++) {
unsigned char *frame = &data[i*finger_frame_len + 109];
int current_num_contacts = frame[0] & 0x7F;
int contacts_to_send;
if (!(frame[0] & 0x80))
continue;
/*
* First packet resets the counter since only the first
* packet in series will have non-zero current_num_contacts.
*/
if (current_num_contacts)
wacom->num_contacts_left = current_num_contacts;
contacts_to_send = min(num_contacts_left, wacom->num_contacts_left);
for (j = 0; j < contacts_to_send; j++) {
unsigned char *touch = &frame[j*finger_touch_len + 1];
int slot = input_mt_get_slot_by_key(touch_input, touch[0]);
int x = get_unaligned_le16(&touch[2]);
int y = get_unaligned_le16(&touch[4]);
int w = touch[6] * input_abs_get_res(touch_input, ABS_MT_POSITION_X);
int h = touch[7] * input_abs_get_res(touch_input, ABS_MT_POSITION_Y);
if (slot < 0)
continue;
input_mt_slot(touch_input, slot);
input_mt_report_slot_state(touch_input, MT_TOOL_FINGER, touch[1] & 0x01);
input_report_abs(touch_input, ABS_MT_POSITION_X, x);
input_report_abs(touch_input, ABS_MT_POSITION_Y, y);
input_report_abs(touch_input, ABS_MT_TOUCH_MAJOR, max(w, h));
input_report_abs(touch_input, ABS_MT_TOUCH_MINOR, min(w, h));
input_report_abs(touch_input, ABS_MT_ORIENTATION, w > h);
}
input_mt_sync_frame(touch_input);
wacom->num_contacts_left -= contacts_to_send;
if (wacom->num_contacts_left <= 0) {
wacom->num_contacts_left = 0;
wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
input_sync(touch_input);
}
}
if (wacom->num_contacts_left == 0) {
// Be careful that we don't accidentally call input_sync with
// only a partial set of fingers of processed
input_report_switch(touch_input, SW_MUTE_DEVICE, !(data[281] >> 7));
input_sync(touch_input);
}
}
static void wacom_intuos_pro2_bt_pad(struct wacom_wac *wacom)
{
struct input_dev *pad_input = wacom->pad_input;
unsigned char *data = wacom->data;
int buttons = data[282] | ((data[281] & 0x40) << 2);
int ring = data[285] & 0x7F;
bool ringstatus = data[285] & 0x80;
bool prox = buttons || ringstatus;
/* Fix touchring data: userspace expects 0 at left and increasing clockwise */
ring = 71 - ring;
ring += 3*72/16;
if (ring > 71)
ring -= 72;
wacom_report_numbered_buttons(pad_input, 9, buttons);
input_report_abs(pad_input, ABS_WHEEL, ringstatus ? ring : 0);
input_report_key(pad_input, wacom->tool[1], prox ? 1 : 0);
input_report_abs(pad_input, ABS_MISC, prox ? PAD_DEVICE_ID : 0);
input_event(pad_input, EV_MSC, MSC_SERIAL, 0xffffffff);
input_sync(pad_input);
}
static void wacom_intuos_pro2_bt_battery(struct wacom_wac *wacom)
{
unsigned char *data = wacom->data;
bool chg = data[284] & 0x80;
int battery_status = data[284] & 0x7F;
wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
battery_status, chg, 1, chg);
}
static void wacom_intuos_gen3_bt_pad(struct wacom_wac *wacom)
{
struct input_dev *pad_input = wacom->pad_input;
unsigned char *data = wacom->data;
int buttons = data[44];
wacom_report_numbered_buttons(pad_input, 4, buttons);
input_report_key(pad_input, wacom->tool[1], buttons ? 1 : 0);
input_report_abs(pad_input, ABS_MISC, buttons ? PAD_DEVICE_ID : 0);
input_event(pad_input, EV_MSC, MSC_SERIAL, 0xffffffff);
input_sync(pad_input);
}
static void wacom_intuos_gen3_bt_battery(struct wacom_wac *wacom)
{
unsigned char *data = wacom->data;
bool chg = data[45] & 0x80;
int battery_status = data[45] & 0x7F;
wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
battery_status, chg, 1, chg);
}
static int wacom_intuos_pro2_bt_irq(struct wacom_wac *wacom, size_t len)
{
unsigned char *data = wacom->data;
if (data[0] != 0x80 && data[0] != 0x81) {
dev_dbg(wacom->pen_input->dev.parent,
"%s: received unknown report #%d\n", __func__, data[0]);
return 0;
}
wacom_intuos_pro2_bt_pen(wacom);
if (wacom->features.type == INTUOSP2_BT) {
wacom_intuos_pro2_bt_touch(wacom);
wacom_intuos_pro2_bt_pad(wacom);
wacom_intuos_pro2_bt_battery(wacom);
} else {
wacom_intuos_gen3_bt_pad(wacom);
wacom_intuos_gen3_bt_battery(wacom);
}
return 0;
}
static int wacom_24hdt_irq(struct wacom_wac *wacom)
{
struct input_dev *input = wacom->touch_input;
unsigned char *data = wacom->data;
int i;
int current_num_contacts = data[61];
int contacts_to_send = 0;
int num_contacts_left = 4; /* maximum contacts per packet */
int byte_per_packet = WACOM_BYTES_PER_24HDT_PACKET;
int y_offset = 2;
if (wacom->features.type == WACOM_27QHDT) {
current_num_contacts = data[63];
num_contacts_left = 10;
byte_per_packet = WACOM_BYTES_PER_QHDTHID_PACKET;
y_offset = 0;
}
/*
* First packet resets the counter since only the first
* packet in series will have non-zero current_num_contacts.
*/
if (current_num_contacts)
wacom->num_contacts_left = current_num_contacts;
contacts_to_send = min(num_contacts_left, wacom->num_contacts_left);
for (i = 0; i < contacts_to_send; i++) {
int offset = (byte_per_packet * i) + 1;
bool touch = (data[offset] & 0x1) && report_touch_events(wacom);
int slot = input_mt_get_slot_by_key(input, data[offset + 1]);
if (slot < 0)
continue;
input_mt_slot(input, slot);
input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
if (touch) {
int t_x = get_unaligned_le16(&data[offset + 2]);
int t_y = get_unaligned_le16(&data[offset + 4 + y_offset]);
input_report_abs(input, ABS_MT_POSITION_X, t_x);
input_report_abs(input, ABS_MT_POSITION_Y, t_y);
if (wacom->features.type != WACOM_27QHDT) {
int c_x = get_unaligned_le16(&data[offset + 4]);
int c_y = get_unaligned_le16(&data[offset + 8]);
int w = get_unaligned_le16(&data[offset + 10]);
int h = get_unaligned_le16(&data[offset + 12]);
input_report_abs(input, ABS_MT_TOUCH_MAJOR, min(w,h));
input_report_abs(input, ABS_MT_WIDTH_MAJOR,
min(w, h) + int_dist(t_x, t_y, c_x, c_y));
input_report_abs(input, ABS_MT_WIDTH_MINOR, min(w, h));
input_report_abs(input, ABS_MT_ORIENTATION, w > h);
}
}
}
input_mt_sync_frame(input);
wacom->num_contacts_left -= contacts_to_send;
if (wacom->num_contacts_left <= 0) {
wacom->num_contacts_left = 0;
wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
}
return 1;
}
static int wacom_mt_touch(struct wacom_wac *wacom)
{
struct input_dev *input = wacom->touch_input;
unsigned char *data = wacom->data;
int i;
int current_num_contacts = data[2];
int contacts_to_send = 0;
int x_offset = 0;
/* MTTPC does not support Height and Width */
if (wacom->features.type == MTTPC || wacom->features.type == MTTPC_B)
x_offset = -4;
/*
* First packet resets the counter since only the first
* packet in series will have non-zero current_num_contacts.
*/
if (current_num_contacts)
wacom->num_contacts_left = current_num_contacts;
/* There are at most 5 contacts per packet */
contacts_to_send = min(5, wacom->num_contacts_left);
for (i = 0; i < contacts_to_send; i++) {
int offset = (WACOM_BYTES_PER_MT_PACKET + x_offset) * i + 3;
bool touch = (data[offset] & 0x1) && report_touch_events(wacom);
int id = get_unaligned_le16(&data[offset + 1]);
int slot = input_mt_get_slot_by_key(input, id);
if (slot < 0)
continue;
input_mt_slot(input, slot);
input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
if (touch) {
int x = get_unaligned_le16(&data[offset + x_offset + 7]);
int y = get_unaligned_le16(&data[offset + x_offset + 9]);
input_report_abs(input, ABS_MT_POSITION_X, x);
input_report_abs(input, ABS_MT_POSITION_Y, y);
}
}
input_mt_sync_frame(input);
wacom->num_contacts_left -= contacts_to_send;
if (wacom->num_contacts_left <= 0) {
wacom->num_contacts_left = 0;
wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
}
return 1;
}
static int wacom_tpc_mt_touch(struct wacom_wac *wacom)
{
struct input_dev *input = wacom->touch_input;
unsigned char *data = wacom->data;
int i;
for (i = 0; i < 2; i++) {
int p = data[1] & (1 << i);
bool touch = p && report_touch_events(wacom);
input_mt_slot(input, i);
input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
if (touch) {
int x = le16_to_cpup((__le16 *)&data[i * 2 + 2]) & 0x7fff;
int y = le16_to_cpup((__le16 *)&data[i * 2 + 6]) & 0x7fff;
input_report_abs(input, ABS_MT_POSITION_X, x);
input_report_abs(input, ABS_MT_POSITION_Y, y);
}
}
input_mt_sync_frame(input);
/* keep touch state for pen event */
wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
return 1;
}
static int wacom_tpc_single_touch(struct wacom_wac *wacom, size_t len)
{
unsigned char *data = wacom->data;
struct input_dev *input = wacom->touch_input;
bool prox = report_touch_events(wacom);
int x = 0, y = 0;
if (wacom->features.touch_max > 1 || len > WACOM_PKGLEN_TPC2FG)
return 0;
if (len == WACOM_PKGLEN_TPC1FG) {
prox = prox && (data[0] & 0x01);
x = get_unaligned_le16(&data[1]);
y = get_unaligned_le16(&data[3]);
} else if (len == WACOM_PKGLEN_TPC1FG_B) {
prox = prox && (data[2] & 0x01);
x = get_unaligned_le16(&data[3]);
y = get_unaligned_le16(&data[5]);
} else {
prox = prox && (data[1] & 0x01);
x = le16_to_cpup((__le16 *)&data[2]);
y = le16_to_cpup((__le16 *)&data[4]);
}
if (prox) {
input_report_abs(input, ABS_X, x);
input_report_abs(input, ABS_Y, y);
}
input_report_key(input, BTN_TOUCH, prox);
/* keep touch state for pen events */
wacom->shared->touch_down = prox;
return 1;
}
static int wacom_tpc_pen(struct wacom_wac *wacom)
{
unsigned char *data = wacom->data;
struct input_dev *input = wacom->pen_input;
bool prox = data[1] & 0x20;
if (!wacom->shared->stylus_in_proximity) /* first in prox */
/* Going into proximity select tool */
wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
/* keep pen state for touch events */
wacom->shared->stylus_in_proximity = prox;
/* send pen events only when touch is up or forced out
* or touch arbitration is off
*/
if (!delay_pen_events(wacom)) {
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] & 0x07) << 8) | data[6]);
input_report_key(input, BTN_TOUCH, data[1] & 0x05);
input_report_key(input, wacom->tool[0], prox);
return 1;
}
return 0;
}
static int wacom_tpc_irq(struct wacom_wac *wacom, size_t len)
{
unsigned char *data = wacom->data;
if (wacom->pen_input) {
dev_dbg(wacom->pen_input->dev.parent,
"%s: received report #%d\n", __func__, data[0]);
if (len == WACOM_PKGLEN_PENABLED ||
data[0] == WACOM_REPORT_PENABLED)
return wacom_tpc_pen(wacom);
}
else if (wacom->touch_input) {
dev_dbg(wacom->touch_input->dev.parent,
"%s: received report #%d\n", __func__, data[0]);
switch (len) {
case WACOM_PKGLEN_TPC1FG:
return wacom_tpc_single_touch(wacom, len);
case WACOM_PKGLEN_TPC2FG:
return wacom_tpc_mt_touch(wacom);
default:
switch (data[0]) {
case WACOM_REPORT_TPC1FG:
case WACOM_REPORT_TPCHID:
case WACOM_REPORT_TPCST:
case WACOM_REPORT_TPC1FGE:
return wacom_tpc_single_touch(wacom, len);
case WACOM_REPORT_TPCMT:
case WACOM_REPORT_TPCMT2:
return wacom_mt_touch(wacom);
}
}
}
return 0;
}
static int wacom_offset_rotation(struct input_dev *input, struct hid_usage *usage,
int value, int num, int denom)
{
struct input_absinfo *abs = &input->absinfo[usage->code];
int range = (abs->maximum - abs->minimum + 1);
value += num*range/denom;
if (value > abs->maximum)
value -= range;
else if (value < abs->minimum)
value += range;
return value;
}
int wacom_equivalent_usage(int usage)
{
if ((usage & HID_USAGE_PAGE) == WACOM_HID_UP_WACOMDIGITIZER) {
int subpage = (usage & 0xFF00) << 8;
int subusage = (usage & 0xFF);
if (subpage == WACOM_HID_SP_PAD ||
subpage == WACOM_HID_SP_BUTTON ||
subpage == WACOM_HID_SP_DIGITIZER ||
subpage == WACOM_HID_SP_DIGITIZERINFO ||
usage == WACOM_HID_WD_SENSE ||
usage == WACOM_HID_WD_SERIALHI ||
usage == WACOM_HID_WD_TOOLTYPE ||
usage == WACOM_HID_WD_DISTANCE ||
usage == WACOM_HID_WD_TOUCHSTRIP ||
usage == WACOM_HID_WD_TOUCHSTRIP2 ||
usage == WACOM_HID_WD_TOUCHRING ||
usage == WACOM_HID_WD_TOUCHRINGSTATUS ||
usage == WACOM_HID_WD_REPORT_VALID) {
return usage;
}
if (subpage == HID_UP_UNDEFINED)
subpage = HID_UP_DIGITIZER;
return subpage | subusage;
}
if ((usage & HID_USAGE_PAGE) == WACOM_HID_UP_WACOMTOUCH) {
int subpage = (usage & 0xFF00) << 8;
int subusage = (usage & 0xFF);
if (subpage == HID_UP_UNDEFINED)
subpage = WACOM_HID_SP_DIGITIZER;
return subpage | subusage;
}
return usage;
}
static void wacom_map_usage(struct input_dev *input, struct hid_usage *usage,
struct hid_field *field, __u8 type, __u16 code, int fuzz)
{
struct wacom *wacom = input_get_drvdata(input);
struct wacom_wac *wacom_wac = &wacom->wacom_wac;
struct wacom_features *features = &wacom_wac->features;
int fmin = field->logical_minimum;
int fmax = field->logical_maximum;
unsigned int equivalent_usage = wacom_equivalent_usage(usage->hid);
int resolution_code = code;
if (equivalent_usage == HID_DG_TWIST) {
resolution_code = ABS_RZ;
}
if (equivalent_usage == HID_GD_X) {
fmin += features->offset_left;
fmax -= features->offset_right;
}
if (equivalent_usage == HID_GD_Y) {
fmin += features->offset_top;
fmax -= features->offset_bottom;
}
usage->type = type;
usage->code = code;
set_bit(type, input->evbit);
switch (type) {
case EV_ABS:
input_set_abs_params(input, code, fmin, fmax, fuzz, 0);
input_abs_set_res(input, code,
hidinput_calc_abs_res(field, resolution_code));
break;
case EV_KEY:
input_set_capability(input, EV_KEY, code);
break;
case EV_MSC:
input_set_capability(input, EV_MSC, code);
break;
case EV_SW:
input_set_capability(input, EV_SW, code);
break;
}
}
static void wacom_wac_battery_usage_mapping(struct hid_device *hdev,
struct hid_field *field, struct hid_usage *usage)
{
struct wacom *wacom = hid_get_drvdata(hdev);
struct wacom_wac *wacom_wac = &wacom->wacom_wac;
struct wacom_features *features = &wacom_wac->features;
unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
switch (equivalent_usage) {
case HID_DG_BATTERYSTRENGTH:
case WACOM_HID_WD_BATTERY_LEVEL:
case WACOM_HID_WD_BATTERY_CHARGING:
features->quirks |= WACOM_QUIRK_BATTERY;
break;
}
}
static void wacom_wac_battery_event(struct hid_device *hdev, struct hid_field *field,
struct hid_usage *usage, __s32 value)
{
struct wacom *wacom = hid_get_drvdata(hdev);
struct wacom_wac *wacom_wac = &wacom->wacom_wac;
unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
switch (equivalent_usage) {
case HID_DG_BATTERYSTRENGTH:
if (value == 0) {
wacom_wac->hid_data.bat_status = POWER_SUPPLY_STATUS_UNKNOWN;
}
else {
value = value * 100 / (field->logical_maximum - field->logical_minimum);
wacom_wac->hid_data.battery_capacity = value;
wacom_wac->hid_data.bat_connected = 1;
wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
}
break;
case WACOM_HID_WD_BATTERY_LEVEL:
value = value * 100 / (field->logical_maximum - field->logical_minimum);
wacom_wac->hid_data.battery_capacity = value;
wacom_wac->hid_data.bat_connected = 1;
wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
break;
case WACOM_HID_WD_BATTERY_CHARGING:
wacom_wac->hid_data.bat_charging = value;
wacom_wac->hid_data.ps_connected = value;
wacom_wac->hid_data.bat_connected = 1;
wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
break;
}
}
static void wacom_wac_battery_pre_report(struct hid_device *hdev,
struct hid_report *report)
{
return;
}
static void wacom_wac_battery_report(struct hid_device *hdev,
struct hid_report *report)
{
struct wacom *wacom = hid_get_drvdata(hdev);
struct wacom_wac *wacom_wac = &wacom->wacom_wac;
struct wacom_features *features = &wacom_wac->features;
if (features->quirks & WACOM_QUIRK_BATTERY) {
int status = wacom_wac->hid_data.bat_status;
int capacity = wacom_wac->hid_data.battery_capacity;
bool charging = wacom_wac->hid_data.bat_charging;
bool connected = wacom_wac->hid_data.bat_connected;
bool powered = wacom_wac->hid_data.ps_connected;
wacom_notify_battery(wacom_wac, status, capacity, charging,
connected, powered);
}
}
static void wacom_wac_pad_usage_mapping(struct hid_device *hdev,
struct hid_field *field, struct hid_usage *usage)
{
struct wacom *wacom = hid_get_drvdata(hdev);
struct wacom_wac *wacom_wac = &wacom->wacom_wac;
struct wacom_features *features = &wacom_wac->features;
struct input_dev *input = wacom_wac->pad_input;
unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
switch (equivalent_usage) {
case WACOM_HID_WD_ACCELEROMETER_X:
__set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 0);
features->device_type |= WACOM_DEVICETYPE_PAD;
break;
case WACOM_HID_WD_ACCELEROMETER_Y:
__set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 0);
features->device_type |= WACOM_DEVICETYPE_PAD;
break;
case WACOM_HID_WD_ACCELEROMETER_Z:
__set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
wacom_map_usage(input, usage, field, EV_ABS, ABS_Z, 0);
features->device_type |= WACOM_DEVICETYPE_PAD;
break;
case WACOM_HID_WD_BUTTONCENTER:
case WACOM_HID_WD_BUTTONHOME:
case WACOM_HID_WD_BUTTONUP:
case WACOM_HID_WD_BUTTONDOWN:
case WACOM_HID_WD_BUTTONLEFT:
case WACOM_HID_WD_BUTTONRIGHT:
wacom_map_usage(input, usage, field, EV_KEY,
wacom_numbered_button_to_key(features->numbered_buttons),
0);
features->numbered_buttons++;
features->device_type |= WACOM_DEVICETYPE_PAD;
break;
case WACOM_HID_WD_TOUCHONOFF:
case WACOM_HID_WD_MUTE_DEVICE:
/*
* This usage, which is used to mute touch events, comes
* from the pad packet, but is reported on the touch
* interface. Because the touch interface may not have
* been created yet, we cannot call wacom_map_usage(). In
* order to process this usage when we receive it, we set
* the usage type and code directly.
*/
wacom_wac->has_mute_touch_switch = true;
usage->type = EV_SW;
usage->code = SW_MUTE_DEVICE;
features->device_type |= WACOM_DEVICETYPE_PAD;
break;
case WACOM_HID_WD_TOUCHSTRIP:
wacom_map_usage(input, usage, field, EV_ABS, ABS_RX, 0);
features->device_type |= WACOM_DEVICETYPE_PAD;
break;
case WACOM_HID_WD_TOUCHSTRIP2:
wacom_map_usage(input, usage, field, EV_ABS, ABS_RY, 0);
features->device_type |= WACOM_DEVICETYPE_PAD;
break;
case WACOM_HID_WD_TOUCHRING:
wacom_map_usage(input, usage, field, EV_ABS, ABS_WHEEL, 0);
features->device_type |= WACOM_DEVICETYPE_PAD;
break;
case WACOM_HID_WD_TOUCHRINGSTATUS:
/*
* Only set up type/code association. Completely mapping
* this usage may overwrite the axis resolution and range.
*/
usage->type = EV_ABS;
usage->code = ABS_WHEEL;
set_bit(EV_ABS, input->evbit);
features->device_type |= WACOM_DEVICETYPE_PAD;
break;
case WACOM_HID_WD_BUTTONCONFIG:
wacom_map_usage(input, usage, field, EV_KEY, KEY_BUTTONCONFIG, 0);
features->device_type |= WACOM_DEVICETYPE_PAD;
break;
case WACOM_HID_WD_ONSCREEN_KEYBOARD:
wacom_map_usage(input, usage, field, EV_KEY, KEY_ONSCREEN_KEYBOARD, 0);
features->device_type |= WACOM_DEVICETYPE_PAD;
break;
case WACOM_HID_WD_CONTROLPANEL:
wacom_map_usage(input, usage, field, EV_KEY, KEY_CONTROLPANEL, 0);
features->device_type |= WACOM_DEVICETYPE_PAD;
break;
case WACOM_HID_WD_MODE_CHANGE:
/* do not overwrite previous data */
if (!wacom_wac->has_mode_change) {
wacom_wac->has_mode_change = true;
wacom_wac->is_direct_mode = true;
}
features->device_type |= WACOM_DEVICETYPE_PAD;
break;
}
switch (equivalent_usage & 0xfffffff0) {
case WACOM_HID_WD_EXPRESSKEY00:
wacom_map_usage(input, usage, field, EV_KEY,
wacom_numbered_button_to_key(features->numbered_buttons),
0);
features->numbered_buttons++;
features->device_type |= WACOM_DEVICETYPE_PAD;
break;
}
}
static void wacom_wac_pad_event(struct hid_device *hdev, struct hid_field *field,
struct hid_usage *usage, __s32 value)
{
struct wacom *wacom = hid_get_drvdata(hdev);
struct wacom_wac *wacom_wac = &wacom->wacom_wac;
struct input_dev *input = wacom_wac->pad_input;
struct wacom_features *features = &wacom_wac->features;
unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
int i;
bool do_report = false;
/*
* Avoid reporting this event and setting inrange_state if this usage
* hasn't been mapped.
*/
if (!usage->type && equivalent_usage != WACOM_HID_WD_MODE_CHANGE)
return;
if (wacom_equivalent_usage(field->physical) == HID_DG_TABLETFUNCTIONKEY) {
if (usage->hid != WACOM_HID_WD_TOUCHRING)
wacom_wac->hid_data.inrange_state |= value;
}
switch (equivalent_usage) {
case WACOM_HID_WD_TOUCHRING:
/*
* Userspace expects touchrings to increase in value with
* clockwise gestures and have their zero point at the
* tablet's left. HID events "should" be clockwise-
* increasing and zero at top, though the MobileStudio
* Pro and 2nd-gen Intuos Pro don't do this...
*/
if (hdev->vendor == 0x56a &&
(hdev->product == 0x34d || hdev->product == 0x34e || /* MobileStudio Pro */
hdev->product == 0x357 || hdev->product == 0x358)) { /* Intuos Pro 2 */
value = (field->logical_maximum - value);
if (hdev->product == 0x357 || hdev->product == 0x358)
value = wacom_offset_rotation(input, usage, value, 3, 16);
else if (hdev->product == 0x34d || hdev->product == 0x34e)
value = wacom_offset_rotation(input, usage, value, 1, 2);
}
else {
value = wacom_offset_rotation(input, usage, value, 1, 4);
}
do_report = true;
break;
case WACOM_HID_WD_TOUCHRINGSTATUS:
if (!value)
input_event(input, usage->type, usage->code, 0);
break;
case WACOM_HID_WD_MUTE_DEVICE:
case WACOM_HID_WD_TOUCHONOFF:
if (wacom_wac->shared->touch_input) {
bool *is_touch_on = &wacom_wac->shared->is_touch_on;
if (equivalent_usage == WACOM_HID_WD_MUTE_DEVICE && value)
*is_touch_on = !(*is_touch_on);
else if (equivalent_usage == WACOM_HID_WD_TOUCHONOFF)
*is_touch_on = value;
input_report_switch(wacom_wac->shared->touch_input,
SW_MUTE_DEVICE, !(*is_touch_on));
input_sync(wacom_wac->shared->touch_input);
}
break;
case WACOM_HID_WD_MODE_CHANGE:
if (wacom_wac->is_direct_mode != value) {
wacom_wac->is_direct_mode = value;
wacom_schedule_work(&wacom->wacom_wac, WACOM_WORKER_MODE_CHANGE);
}
break;
case WACOM_HID_WD_BUTTONCENTER:
for (i = 0; i < wacom->led.count; i++)
wacom_update_led(wacom, features->numbered_buttons,
value, i);
/* fall through*/
default:
do_report = true;
break;
}
if (do_report) {
input_event(input, usage->type, usage->code, value);
if (value)
wacom_wac->hid_data.pad_input_event_flag = true;
}
}
static void wacom_wac_pad_pre_report(struct hid_device *hdev,
struct hid_report *report)
{
struct wacom *wacom = hid_get_drvdata(hdev);
struct wacom_wac *wacom_wac = &wacom->wacom_wac;
wacom_wac->hid_data.inrange_state = 0;
}
static void wacom_wac_pad_report(struct hid_device *hdev,
struct hid_report *report, struct hid_field *field)
{
struct wacom *wacom = hid_get_drvdata(hdev);
struct wacom_wac *wacom_wac = &wacom->wacom_wac;
struct input_dev *input = wacom_wac->pad_input;
bool active = wacom_wac->hid_data.inrange_state != 0;
/* report prox for expresskey events */
if (wacom_wac->hid_data.pad_input_event_flag) {
input_event(input, EV_ABS, ABS_MISC, active ? PAD_DEVICE_ID : 0);
input_sync(input);
if (!active)
wacom_wac->hid_data.pad_input_event_flag = false;
}
}
static void wacom_wac_pen_usage_mapping(struct hid_device *hdev,
struct hid_field *field, struct hid_usage *usage)
{
struct wacom *wacom = hid_get_drvdata(hdev);
struct wacom_wac *wacom_wac = &wacom->wacom_wac;
struct wacom_features *features = &wacom_wac->features;
struct input_dev *input = wacom_wac->pen_input;
unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
switch (equivalent_usage) {
case HID_GD_X:
wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 4);
break;
case HID_GD_Y:
wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 4);
break;
case WACOM_HID_WD_DISTANCE:
case HID_GD_Z:
wacom_map_usage(input, usage, field, EV_ABS, ABS_DISTANCE, 0);
break;
case HID_DG_TIPPRESSURE:
wacom_map_usage(input, usage, field, EV_ABS, ABS_PRESSURE, 0);
break;
case HID_DG_INRANGE:
wacom_map_usage(input, usage, field, EV_KEY, BTN_TOOL_PEN, 0);
break;
case HID_DG_INVERT:
wacom_map_usage(input, usage, field, EV_KEY,
BTN_TOOL_RUBBER, 0);
break;
case HID_DG_TILT_X:
wacom_map_usage(input, usage, field, EV_ABS, ABS_TILT_X, 0);
break;
case HID_DG_TILT_Y:
wacom_map_usage(input, usage, field, EV_ABS, ABS_TILT_Y, 0);
break;
case HID_DG_TWIST:
wacom_map_usage(input, usage, field, EV_ABS, ABS_Z, 0);
break;
case HID_DG_ERASER:
case HID_DG_TIPSWITCH:
wacom_map_usage(input, usage, field, EV_KEY, BTN_TOUCH, 0);
break;
case HID_DG_BARRELSWITCH:
wacom_map_usage(input, usage, field, EV_KEY, BTN_STYLUS, 0);
break;
case HID_DG_BARRELSWITCH2:
wacom_map_usage(input, usage, field, EV_KEY, BTN_STYLUS2, 0);
break;
case HID_DG_TOOLSERIALNUMBER:
features->quirks |= WACOM_QUIRK_TOOLSERIAL;
wacom_map_usage(input, usage, field, EV_MSC, MSC_SERIAL, 0);
/* Adjust AES usages to match modern convention */
if (usage->hid == WACOM_HID_WT_SERIALNUMBER && field->report_size == 16) {
if (field->index + 2 < field->report->maxfield) {
struct hid_field *a = field->report->field[field->index + 1];
struct hid_field *b = field->report->field[field->index + 2];
if (a->maxusage > 0 && a->usage[0].hid == HID_DG_TOOLSERIALNUMBER && a->report_size == 32 &&
b->maxusage > 0 && b->usage[0].hid == 0xFF000000 && b->report_size == 8) {
features->quirks |= WACOM_QUIRK_AESPEN;
usage->hid = WACOM_HID_WD_TOOLTYPE;
field->logical_minimum = S16_MIN;
field->logical_maximum = S16_MAX;
a->logical_minimum = S32_MIN;
a->logical_maximum = S32_MAX;
b->usage[0].hid = WACOM_HID_WD_SERIALHI;
b->logical_minimum = 0;
b->logical_maximum = U8_MAX;
}
}
}
break;
case WACOM_HID_WD_SENSE:
features->quirks |= WACOM_QUIRK_SENSE;
wacom_map_usage(input, usage, field, EV_KEY, BTN_TOOL_PEN, 0);
break;
case WACOM_HID_WD_SERIALHI:
wacom_map_usage(input, usage, field, EV_ABS, ABS_MISC, 0);
if (!(features->quirks & WACOM_QUIRK_AESPEN)) {
set_bit(EV_KEY, input->evbit);
input_set_capability(input, EV_KEY, BTN_TOOL_PEN);
input_set_capability(input, EV_KEY, BTN_TOOL_RUBBER);
input_set_capability(input, EV_KEY, BTN_TOOL_BRUSH);
input_set_capability(input, EV_KEY, BTN_TOOL_PENCIL);
input_set_capability(input, EV_KEY, BTN_TOOL_AIRBRUSH);
if (!(features->device_type & WACOM_DEVICETYPE_DIRECT)) {
input_set_capability(input, EV_KEY, BTN_TOOL_MOUSE);
input_set_capability(input, EV_KEY, BTN_TOOL_LENS);
}
}
break;
case WACOM_HID_WD_FINGERWHEEL:
wacom_map_usage(input, usage, field, EV_ABS, ABS_WHEEL, 0);
break;
}
}
static void wacom_wac_pen_event(struct hid_device *hdev, struct hid_field *field,
struct hid_usage *usage, __s32 value)
{
struct wacom *wacom = hid_get_drvdata(hdev);
struct wacom_wac *wacom_wac = &wacom->wacom_wac;
struct wacom_features *features = &wacom_wac->features;
struct input_dev *input = wacom_wac->pen_input;
unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
if (wacom_wac->is_invalid_bt_frame)
return;
switch (equivalent_usage) {
case HID_GD_Z:
/*
* HID_GD_Z "should increase as the control's position is
* moved from high to low", while ABS_DISTANCE instead
* increases in value as the tool moves from low to high.
*/
value = field->logical_maximum - value;
break;
case HID_DG_INRANGE:
wacom_wac->hid_data.inrange_state = value;
if (!(features->quirks & WACOM_QUIRK_SENSE))
wacom_wac->hid_data.sense_state = value;
return;
case HID_DG_INVERT:
wacom_wac->hid_data.invert_state = value;
return;
case HID_DG_ERASER:
case HID_DG_TIPSWITCH:
wacom_wac->hid_data.tipswitch |= value;
return;
case HID_DG_BARRELSWITCH:
wacom_wac->hid_data.barrelswitch = value;
return;
case HID_DG_BARRELSWITCH2:
wacom_wac->hid_data.barrelswitch2 = value;
return;
case HID_DG_TOOLSERIALNUMBER:
if (value) {
wacom_wac->serial[0] = (wacom_wac->serial[0] & ~0xFFFFFFFFULL);
wacom_wac->serial[0] |= wacom_s32tou(value, field->report_size);
}
return;
case HID_DG_TWIST:
/*
* Userspace expects pen twist to have its zero point when
* the buttons/finger is on the tablet's left. HID values
* are zero when buttons are toward the top.
*/
value = wacom_offset_rotation(input, usage, value, 1, 4);
break;
case WACOM_HID_WD_SENSE:
wacom_wac->hid_data.sense_state = value;
return;
case WACOM_HID_WD_SERIALHI:
if (value) {
__u32 raw_value = wacom_s32tou(value, field->report_size);
wacom_wac->serial[0] = (wacom_wac->serial[0] & 0xFFFFFFFF);
wacom_wac->serial[0] |= ((__u64)raw_value) << 32;
/*
* Non-USI EMR devices may contain additional tool type
* information here. See WACOM_HID_WD_TOOLTYPE case for
* more details.
*/
if (value >> 20 == 1) {
wacom_wac->id[0] |= raw_value & 0xFFFFF;
}
}
return;
case WACOM_HID_WD_TOOLTYPE:
/*
* Some devices (MobileStudio Pro, and possibly later
* devices as well) do not return the complete tool
* type in their WACOM_HID_WD_TOOLTYPE usage. Use a
* bitwise OR so the complete value can be built
* up over time :(
*/
wacom_wac->id[0] |= wacom_s32tou(value, field->report_size);
return;
case WACOM_HID_WD_OFFSETLEFT:
if (features->offset_left && value != features->offset_left)
hid_warn(hdev, "%s: overriding existing left offset "
"%d -> %d\n", __func__, value,
features->offset_left);
features->offset_left = value;
return;
case WACOM_HID_WD_OFFSETRIGHT:
if (features->offset_right && value != features->offset_right)
hid_warn(hdev, "%s: overriding existing right offset "
"%d -> %d\n", __func__, value,
features->offset_right);
features->offset_right = value;
return;
case WACOM_HID_WD_OFFSETTOP:
if (features->offset_top && value != features->offset_top)
hid_warn(hdev, "%s: overriding existing top offset "
"%d -> %d\n", __func__, value,
features->offset_top);
features->offset_top = value;
return;
case WACOM_HID_WD_OFFSETBOTTOM:
if (features->offset_bottom && value != features->offset_bottom)
hid_warn(hdev, "%s: overriding existing bottom offset "
"%d -> %d\n", __func__, value,
features->offset_bottom);
features->offset_bottom = value;
return;
case WACOM_HID_WD_REPORT_VALID:
wacom_wac->is_invalid_bt_frame = !value;
return;
}
/* send pen events only when touch is up or forced out
* or touch arbitration is off
*/
if (!usage->type || delay_pen_events(wacom_wac))
return;
/* send pen events only when the pen is in range */
if (wacom_wac->hid_data.inrange_state)
input_event(input, usage->type, usage->code, value);
else if (wacom_wac->shared->stylus_in_proximity && !wacom_wac->hid_data.sense_state)
input_event(input, usage->type, usage->code, 0);
}
static void wacom_wac_pen_pre_report(struct hid_device *hdev,
struct hid_report *report)
{
struct wacom *wacom = hid_get_drvdata(hdev);
struct wacom_wac *wacom_wac = &wacom->wacom_wac;
wacom_wac->is_invalid_bt_frame = false;
return;
}
static void wacom_wac_pen_report(struct hid_device *hdev,
struct hid_report *report)
{
struct wacom *wacom = hid_get_drvdata(hdev);
struct wacom_wac *wacom_wac = &wacom->wacom_wac;
struct input_dev *input = wacom_wac->pen_input;
bool range = wacom_wac->hid_data.inrange_state;
bool sense = wacom_wac->hid_data.sense_state;
if (wacom_wac->is_invalid_bt_frame)
return;
if (!wacom_wac->tool[0] && range) { /* first in range */
/* Going into range select tool */
if (wacom_wac->hid_data.invert_state)
wacom_wac->tool[0] = BTN_TOOL_RUBBER;
else if (wacom_wac->id[0])
wacom_wac->tool[0] = wacom_intuos_get_tool_type(wacom_wac->id[0]);
else
wacom_wac->tool[0] = BTN_TOOL_PEN;
}
/* keep pen state for touch events */
wacom_wac->shared->stylus_in_proximity = sense;
if (!delay_pen_events(wacom_wac) && wacom_wac->tool[0]) {
int id = wacom_wac->id[0];
int sw_state = wacom_wac->hid_data.barrelswitch |
(wacom_wac->hid_data.barrelswitch2 << 1);
input_report_key(input, BTN_STYLUS, sw_state == 1);
input_report_key(input, BTN_STYLUS2, sw_state == 2);
input_report_key(input, BTN_STYLUS3, sw_state == 3);
/*
* Non-USI EMR tools should have their IDs mangled to
* match the legacy behavior of wacom_intuos_general
*/
if (wacom_wac->serial[0] >> 52 == 1)
id = wacom_intuos_id_mangle(id);
/*
* To ensure compatibility with xf86-input-wacom, we should
* report the BTN_TOOL_* event prior to the ABS_MISC or
* MSC_SERIAL events.
*/
input_report_key(input, BTN_TOUCH,
wacom_wac->hid_data.tipswitch);
input_report_key(input, wacom_wac->tool[0], sense);
if (wacom_wac->serial[0]) {
input_event(input, EV_MSC, MSC_SERIAL, wacom_wac->serial[0]);
input_report_abs(input, ABS_MISC, sense ? id : 0);
}
wacom_wac->hid_data.tipswitch = false;
input_sync(input);
}
if (!sense) {
wacom_wac->tool[0] = 0;
wacom_wac->id[0] = 0;
wacom_wac->serial[0] = 0;
}
}
static void wacom_wac_finger_usage_mapping(struct hid_device *hdev,
struct hid_field *field, struct hid_usage *usage)
{
struct wacom *wacom = hid_get_drvdata(hdev);
struct wacom_wac *wacom_wac = &wacom->wacom_wac;
struct input_dev *input = wacom_wac->touch_input;
unsigned touch_max = wacom_wac->features.touch_max;
unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
switch (equivalent_usage) {
case HID_GD_X:
if (touch_max == 1)
wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 4);
else
wacom_map_usage(input, usage, field, EV_ABS,
ABS_MT_POSITION_X, 4);
break;
case HID_GD_Y:
if (touch_max == 1)
wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 4);
else
wacom_map_usage(input, usage, field, EV_ABS,
ABS_MT_POSITION_Y, 4);
break;
case HID_DG_WIDTH:
case HID_DG_HEIGHT:
wacom_map_usage(input, usage, field, EV_ABS, ABS_MT_TOUCH_MAJOR, 0);
wacom_map_usage(input, usage, field, EV_ABS, ABS_MT_TOUCH_MINOR, 0);
input_set_abs_params(input, ABS_MT_ORIENTATION, 0, 1, 0, 0);
break;
case HID_DG_TIPSWITCH:
wacom_map_usage(input, usage, field, EV_KEY, BTN_TOUCH, 0);
break;
case HID_DG_CONTACTCOUNT:
wacom_wac->hid_data.cc_report = field->report->id;
wacom_wac->hid_data.cc_index = field->index;
wacom_wac->hid_data.cc_value_index = usage->usage_index;
break;
case HID_DG_CONTACTID:
if ((field->logical_maximum - field->logical_minimum) < touch_max) {
/*
* The HID descriptor for G11 sensors leaves logical
* maximum set to '1' despite it being a multitouch
* device. Override to a sensible number.
*/
field->logical_maximum = 255;
}
break;
}
}
static void wacom_wac_finger_slot(struct wacom_wac *wacom_wac,
struct input_dev *input)
{
struct hid_data *hid_data = &wacom_wac->hid_data;
bool mt = wacom_wac->features.touch_max > 1;
bool prox = hid_data->tipswitch &&
report_touch_events(wacom_wac);
if (wacom_wac->shared->has_mute_touch_switch &&
!wacom_wac->shared->is_touch_on) {
if (!wacom_wac->shared->touch_down)
return;
prox = 0;
}
wacom_wac->hid_data.num_received++;
if (wacom_wac->hid_data.num_received > wacom_wac->hid_data.num_expected)
return;
if (mt) {
int slot;
slot = input_mt_get_slot_by_key(input, hid_data->id);
input_mt_slot(input, slot);
input_mt_report_slot_state(input, MT_TOOL_FINGER, prox);
}
else {
input_report_key(input, BTN_TOUCH, prox);
}
if (prox) {
input_report_abs(input, mt ? ABS_MT_POSITION_X : ABS_X,
hid_data->x);
input_report_abs(input, mt ? ABS_MT_POSITION_Y : ABS_Y,
hid_data->y);
if (test_bit(ABS_MT_TOUCH_MAJOR, input->absbit)) {
input_report_abs(input, ABS_MT_TOUCH_MAJOR, max(hid_data->width, hid_data->height));
input_report_abs(input, ABS_MT_TOUCH_MINOR, min(hid_data->width, hid_data->height));
if (hid_data->width != hid_data->height)
input_report_abs(input, ABS_MT_ORIENTATION, hid_data->width <= hid_data->height ? 0 : 1);
}
}
}
static void wacom_wac_finger_event(struct hid_device *hdev,
struct hid_field *field, struct hid_usage *usage, __s32 value)
{
struct wacom *wacom = hid_get_drvdata(hdev);
struct wacom_wac *wacom_wac = &wacom->wacom_wac;
unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
struct wacom_features *features = &wacom->wacom_wac.features;
switch (equivalent_usage) {
case HID_GD_X:
wacom_wac->hid_data.x = value;
break;
case HID_GD_Y:
wacom_wac->hid_data.y = value;
break;
case HID_DG_WIDTH:
wacom_wac->hid_data.width = value;
break;
case HID_DG_HEIGHT:
wacom_wac->hid_data.height = value;
break;
case HID_DG_CONTACTID:
wacom_wac->hid_data.id = value;
break;
case HID_DG_TIPSWITCH:
wacom_wac->hid_data.tipswitch = value;
break;
case HID_DG_CONTACTMAX:
features->touch_max = value;
return;
}
if (usage->usage_index + 1 == field->report_count) {
if (equivalent_usage == wacom_wac->hid_data.last_slot_field)
wacom_wac_finger_slot(wacom_wac, wacom_wac->touch_input);
}
}
static void wacom_wac_finger_pre_report(struct hid_device *hdev,
struct hid_report *report)
{
struct wacom *wacom = hid_get_drvdata(hdev);
struct wacom_wac *wacom_wac = &wacom->wacom_wac;
struct hid_data* hid_data = &wacom_wac->hid_data;
int i;
for (i = 0; i < report->maxfield; i++) {
struct hid_field *field = report->field[i];
int j;
for (j = 0; j < field->maxusage; j++) {
struct hid_usage *usage = &field->usage[j];
unsigned int equivalent_usage =
wacom_equivalent_usage(usage->hid);
switch (equivalent_usage) {
case HID_GD_X:
case HID_GD_Y:
case HID_DG_WIDTH:
case HID_DG_HEIGHT:
case HID_DG_CONTACTID:
case HID_DG_INRANGE:
case HID_DG_INVERT:
case HID_DG_TIPSWITCH:
hid_data->last_slot_field = equivalent_usage;
break;
case HID_DG_CONTACTCOUNT:
hid_data->cc_report = report->id;
hid_data->cc_index = i;
hid_data->cc_value_index = j;
break;
}
}
}
if (hid_data->cc_report != 0 &&
hid_data->cc_index >= 0) {
struct hid_field *field = report->field[hid_data->cc_index];
int value = field->value[hid_data->cc_value_index];
if (value)
hid_data->num_expected = value;
}
else {
hid_data->num_expected = wacom_wac->features.touch_max;
}
}
static void wacom_wac_finger_report(struct hid_device *hdev,
struct hid_report *report)
{
struct wacom *wacom = hid_get_drvdata(hdev);
struct wacom_wac *wacom_wac = &wacom->wacom_wac;
struct input_dev *input = wacom_wac->touch_input;
unsigned touch_max = wacom_wac->features.touch_max;
/* If more packets of data are expected, give us a chance to
* process them rather than immediately syncing a partial
* update.
*/
if (wacom_wac->hid_data.num_received < wacom_wac->hid_data.num_expected)