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HID: udraw-ps3: Add support for the uDraw tablet for PS3

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This adds support for the THQ uDraw tablet for the PS3, as
4 separate device nodes, so that user-space can easily consume
events coming from the hardware.

Note that the touchpad two-finger support is fairly unreliable,
and a right-click can only be achieved with a two-finger tap
with the two fingers slightly apart (about 1cm should be enough).

Tested-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Bastien Nocera 2016-11-15 13:02:05 +01:00 committed by Jiri Kosina
parent c1f4c2b28c
commit 0edffe655a
6 changed files with 492 additions and 0 deletions
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6
MAINTAINERS
View File

@ -12340,6 +12340,12 @@ S: Maintained
F: Documentation/filesystems/udf.txt
F: fs/udf/
UDRAW TABLET
M: Bastien Nocera <hadess@hadess.net>
L: linux-input@vger.kernel.org
S: Maintained
F: drivers/hid/hid-udraw.c
UFS FILESYSTEM
M: Evgeniy Dushistov <dushistov@mail.ru>
S: Maintained

7
drivers/hid/Kconfig
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@ -861,6 +861,13 @@ config THRUSTMASTER_FF
a THRUSTMASTER Dual Trigger 3-in-1 or a THRUSTMASTER Ferrari GT
Rumble Force or Force Feedback Wheel.
config HID_UDRAW_PS3
tristate "THQ PS3 uDraw tablet"
depends on HID
---help---
Say Y here if you want to use the THQ uDraw gaming tablet for
the PS3.
config HID_WACOM
tristate "Wacom Intuos/Graphire tablet support (USB)"
depends on HID

1
drivers/hid/Makefile
View File

@ -96,6 +96,7 @@ obj-$(CONFIG_HID_TIVO) += hid-tivo.o
obj-$(CONFIG_HID_TOPSEED) += hid-topseed.o
obj-$(CONFIG_HID_TWINHAN) += hid-twinhan.o
obj-$(CONFIG_HID_UCLOGIC) += hid-uclogic.o
obj-$(CONFIG_HID_UDRAW_PS3) += hid-udraw-ps3.o
obj-$(CONFIG_HID_LED) += hid-led.o
obj-$(CONFIG_HID_XINMO) += hid-xinmo.o
obj-$(CONFIG_HID_ZEROPLUS) += hid-zpff.o

1
drivers/hid/hid-core.c
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@ -2086,6 +2086,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) },
{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) },
{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) },
{ HID_USB_DEVICE(USB_VENDOR_ID_THQ, USB_DEVICE_ID_THQ_PS3_UDRAW) },
{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_YIYNOVA_TABLET) },
{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UGEE_TABLET_81) },
{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UGEE_TABLET_45) },

3
drivers/hid/hid-ids.h
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@ -959,6 +959,9 @@
#define USB_VENDOR_ID_THINGM 0x27b8
#define USB_DEVICE_ID_BLINK1 0x01ed
#define USB_VENDOR_ID_THQ 0x20d6
#define USB_DEVICE_ID_THQ_PS3_UDRAW 0xcb17
#define USB_VENDOR_ID_THRUSTMASTER 0x044f
#define USB_VENDOR_ID_TIVO 0x150a

474
drivers/hid/hid-udraw-ps3.c Normal file
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@ -0,0 +1,474 @@
/*
* HID driver for THQ PS3 uDraw tablet
*
* Copyright (C) 2016 Red Hat Inc. All Rights Reserved
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/device.h>
#include <linux/hid.h>
#include <linux/module.h>
#include "hid-ids.h"
MODULE_AUTHOR("Bastien Nocera <hadess@hadess.net>");
MODULE_DESCRIPTION("PS3 uDraw tablet driver");
MODULE_LICENSE("GPL");
/*
* Protocol information from:
* http://brandonw.net/udraw/
* and the source code of:
* https://vvvv.org/contribution/udraw-hid
*/
/*
* The device is setup with multiple input devices:
* - the touch area which works as a touchpad
* - the tablet area which works as a touchpad/drawing tablet
* - a joypad with a d-pad, and 7 buttons
* - an accelerometer device
*/
enum {
TOUCH_NONE,
TOUCH_PEN,
TOUCH_FINGER,
TOUCH_TWOFINGER
};
enum {
AXIS_X,
AXIS_Y,
AXIS_Z
};
/*
* Accelerometer min/max values
* in order, X, Y and Z
*/
struct {
int min;
int max;
} accel_limits[] = {
[AXIS_X] = { 490, 534 },
[AXIS_Y] = { 490, 534 },
[AXIS_Z] = { 492, 536 }
};
#define DEVICE_NAME "THQ uDraw Game Tablet for PS3"
/* resolution in pixels */
#define RES_X 1920
#define RES_Y 1080
/* size in mm */
#define WIDTH 160
#define HEIGHT 90
#define PRESSURE_OFFSET 113
#define MAX_PRESSURE (255 - PRESSURE_OFFSET)
struct udraw {
struct input_dev *joy_input_dev;
struct input_dev *touch_input_dev;
struct input_dev *pen_input_dev;
struct input_dev *accel_input_dev;
struct hid_device *hdev;
/*
* The device's two-finger support is pretty unreliable, as
* the device could report a single touch when the two fingers
* are too close together, and the distance between fingers, even
* though reported is not in the same unit as the touches.
*
* We'll make do without it, and try to report the first touch
* as reliably as possible.
*/
int last_one_finger_x;
int last_one_finger_y;
int last_two_finger_x;
int last_two_finger_y;
};
static int clamp_accel(int axis, int offset)
{
axis = clamp(axis,
accel_limits[offset].min,
accel_limits[offset].max);
axis = (axis - accel_limits[offset].min) /
((accel_limits[offset].max -
accel_limits[offset].min) * 0xFF);
return axis;
}
static int udraw_raw_event(struct hid_device *hdev, struct hid_report *report,
u8 *data, int len)
{
struct udraw *udraw = hid_get_drvdata(hdev);
int touch;
int x, y, z;
if (len != 27)
return 0;
if (data[11] == 0x00)
touch = TOUCH_NONE;
else if (data[11] == 0x40)
touch = TOUCH_PEN;
else if (data[11] == 0x80)
touch = TOUCH_FINGER;
else
touch = TOUCH_TWOFINGER;
/* joypad */
input_report_key(udraw->joy_input_dev, BTN_WEST, data[0] & 1);
input_report_key(udraw->joy_input_dev, BTN_SOUTH, !!(data[0] & 2));
input_report_key(udraw->joy_input_dev, BTN_EAST, !!(data[0] & 4));
input_report_key(udraw->joy_input_dev, BTN_NORTH, !!(data[0] & 8));
input_report_key(udraw->joy_input_dev, BTN_SELECT, !!(data[1] & 1));
input_report_key(udraw->joy_input_dev, BTN_START, !!(data[1] & 2));
input_report_key(udraw->joy_input_dev, BTN_MODE, !!(data[1] & 16));
x = y = 0;
switch (data[2]) {
case 0x0:
y = -127;
break;
case 0x1:
y = -127;
x = 127;
break;
case 0x2:
x = 127;
break;
case 0x3:
y = 127;
x = 127;
break;
case 0x4:
y = 127;
break;
case 0x5:
y = 127;
x = -127;
break;
case 0x6:
x = -127;
break;
case 0x7:
y = -127;
x = -127;
break;
default:
break;
}
input_report_abs(udraw->joy_input_dev, ABS_X, x);
input_report_abs(udraw->joy_input_dev, ABS_Y, y);
input_sync(udraw->joy_input_dev);
/* For pen and touchpad */
x = y = 0;
if (touch != TOUCH_NONE) {
if (data[15] != 0x0F)
x = data[15] * 256 + data[17];
if (data[16] != 0x0F)
y = data[16] * 256 + data[18];
}
if (touch == TOUCH_FINGER) {
/* Save the last one-finger touch */
udraw->last_one_finger_x = x;
udraw->last_one_finger_y = y;
udraw->last_two_finger_x = -1;
udraw->last_two_finger_y = -1;
} else if (touch == TOUCH_TWOFINGER) {
/*
* We have a problem because x/y is the one for the
* second finger but we want the first finger given
* to user-space otherwise it'll look as if it jumped.
*
* See the udraw struct definition for why this was
* implemented this way.
*/
if (udraw->last_two_finger_x == -1) {
/* Save the position of the 2nd finger */
udraw->last_two_finger_x = x;
udraw->last_two_finger_y = y;
x = udraw->last_one_finger_x;
y = udraw->last_one_finger_y;
} else {
/*
* Offset the 2-finger coords using the
* saved data from the first finger
*/
x = x - (udraw->last_two_finger_x
- udraw->last_one_finger_x);
y = y - (udraw->last_two_finger_y
- udraw->last_one_finger_y);
}
}
/* touchpad */
if (touch == TOUCH_FINGER || touch == TOUCH_TWOFINGER) {
input_report_key(udraw->touch_input_dev, BTN_TOUCH, 1);
input_report_key(udraw->touch_input_dev, BTN_TOOL_FINGER,
touch == TOUCH_FINGER);
input_report_key(udraw->touch_input_dev, BTN_TOOL_DOUBLETAP,
touch == TOUCH_TWOFINGER);
input_report_abs(udraw->touch_input_dev, ABS_X, x);
input_report_abs(udraw->touch_input_dev, ABS_Y, y);
} else {
input_report_key(udraw->touch_input_dev, BTN_TOUCH, 0);
input_report_key(udraw->touch_input_dev, BTN_TOOL_FINGER, 0);
input_report_key(udraw->touch_input_dev, BTN_TOOL_DOUBLETAP, 0);
}
input_sync(udraw->touch_input_dev);
/* pen */
if (touch == TOUCH_PEN) {
int level;
level = clamp(data[13] - PRESSURE_OFFSET,
0, MAX_PRESSURE);
input_report_key(udraw->pen_input_dev, BTN_TOUCH, (level != 0));
input_report_key(udraw->pen_input_dev, BTN_TOOL_PEN, 1);
input_report_abs(udraw->pen_input_dev, ABS_PRESSURE, level);
input_report_abs(udraw->pen_input_dev, ABS_X, x);
input_report_abs(udraw->pen_input_dev, ABS_Y, y);
} else {
input_report_key(udraw->pen_input_dev, BTN_TOUCH, 0);
input_report_key(udraw->pen_input_dev, BTN_TOOL_PEN, 0);
input_report_abs(udraw->pen_input_dev, ABS_PRESSURE, 0);
}
input_sync(udraw->pen_input_dev);
/* accel */
x = (data[19] + (data[20] << 8));
x = clamp_accel(x, AXIS_X);
y = (data[21] + (data[22] << 8));
y = clamp_accel(y, AXIS_Y);
z = (data[23] + (data[24] << 8));
z = clamp_accel(z, AXIS_Z);
input_report_abs(udraw->accel_input_dev, ABS_X, x);
input_report_abs(udraw->accel_input_dev, ABS_Y, y);
input_report_abs(udraw->accel_input_dev, ABS_Z, z);
input_sync(udraw->accel_input_dev);
/* let hidraw and hiddev handle the report */
return 0;
}
static int udraw_open(struct input_dev *dev)
{
struct udraw *udraw = input_get_drvdata(dev);
return hid_hw_open(udraw->hdev);
}
static void udraw_close(struct input_dev *dev)
{
struct udraw *udraw = input_get_drvdata(dev);
hid_hw_close(udraw->hdev);
}
static struct input_dev *allocate_and_setup(struct hid_device *hdev,
const char *name)
{
struct input_dev *input_dev;
input_dev = devm_input_allocate_device(&hdev->dev);
if (!input_dev)
return NULL;
input_dev->name = name;
input_dev->phys = hdev->phys;
input_dev->dev.parent = &hdev->dev;
input_dev->open = udraw_open;
input_dev->close = udraw_close;
input_dev->uniq = hdev->uniq;
input_dev->id.bustype = hdev->bus;
input_dev->id.vendor = hdev->vendor;
input_dev->id.product = hdev->product;
input_dev->id.version = hdev->version;
input_set_drvdata(input_dev, hid_get_drvdata(hdev));
return input_dev;
}
static bool udraw_setup_touch(struct udraw *udraw,
struct hid_device *hdev)
{
struct input_dev *input_dev;
input_dev = allocate_and_setup(hdev, DEVICE_NAME " Touchpad");
if (!input_dev)
return false;
input_dev->evbit[0] = BIT(EV_ABS) | BIT(EV_KEY);
input_set_abs_params(input_dev, ABS_X, 0, RES_X, 1, 0);
input_abs_set_res(input_dev, ABS_X, RES_X / WIDTH);
input_set_abs_params(input_dev, ABS_Y, 0, RES_Y, 1, 0);
input_abs_set_res(input_dev, ABS_Y, RES_Y / HEIGHT);
set_bit(BTN_TOUCH, input_dev->keybit);
set_bit(BTN_TOOL_FINGER, input_dev->keybit);
set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit);
set_bit(INPUT_PROP_POINTER, input_dev->propbit);
udraw->touch_input_dev = input_dev;
return true;
}
static bool udraw_setup_pen(struct udraw *udraw,
struct hid_device *hdev)
{
struct input_dev *input_dev;
input_dev = allocate_and_setup(hdev, DEVICE_NAME " Pen");
if (!input_dev)
return false;
input_dev->evbit[0] = BIT(EV_ABS) | BIT(EV_KEY);
input_set_abs_params(input_dev, ABS_X, 0, RES_X, 1, 0);
input_abs_set_res(input_dev, ABS_X, RES_X / WIDTH);
input_set_abs_params(input_dev, ABS_Y, 0, RES_Y, 1, 0);
input_abs_set_res(input_dev, ABS_Y, RES_Y / HEIGHT);
input_set_abs_params(input_dev, ABS_PRESSURE,
0, MAX_PRESSURE, 0, 0);
set_bit(BTN_TOUCH, input_dev->keybit);
set_bit(BTN_TOOL_PEN, input_dev->keybit);
set_bit(INPUT_PROP_POINTER, input_dev->propbit);
udraw->pen_input_dev = input_dev;
return true;
}
static bool udraw_setup_accel(struct udraw *udraw,
struct hid_device *hdev)
{
struct input_dev *input_dev;
input_dev = allocate_and_setup(hdev, DEVICE_NAME " Accelerometer");
if (!input_dev)
return false;
input_dev->evbit[0] = BIT(EV_ABS);
/* 1G accel is reported as ~256, so clamp to 2G */
input_set_abs_params(input_dev, ABS_X, -512, 512, 0, 0);
input_set_abs_params(input_dev, ABS_Y, -512, 512, 0, 0);
input_set_abs_params(input_dev, ABS_Z, -512, 512, 0, 0);
set_bit(INPUT_PROP_ACCELEROMETER, input_dev->propbit);
udraw->accel_input_dev = input_dev;
return true;
}
static bool udraw_setup_joypad(struct udraw *udraw,
struct hid_device *hdev)
{
struct input_dev *input_dev;
input_dev = allocate_and_setup(hdev, DEVICE_NAME " Joypad");
if (!input_dev)
return false;
input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
set_bit(BTN_SOUTH, input_dev->keybit);
set_bit(BTN_NORTH, input_dev->keybit);
set_bit(BTN_EAST, input_dev->keybit);
set_bit(BTN_WEST, input_dev->keybit);
set_bit(BTN_SELECT, input_dev->keybit);
set_bit(BTN_START, input_dev->keybit);
set_bit(BTN_MODE, input_dev->keybit);
input_set_abs_params(input_dev, ABS_X, -127, 127, 0, 0);
input_set_abs_params(input_dev, ABS_Y, -127, 127, 0, 0);
udraw->joy_input_dev = input_dev;
return true;
}
static int udraw_probe(struct hid_device *hdev, const struct hid_device_id *id)
{
struct udraw *udraw;
int ret;
udraw = devm_kzalloc(&hdev->dev, sizeof(struct udraw), GFP_KERNEL);
if (!udraw)
return -ENOMEM;
udraw->hdev = hdev;
udraw->last_two_finger_x = -1;
udraw->last_two_finger_y = -1;
hid_set_drvdata(hdev, udraw);
ret = hid_parse(hdev);
if (ret) {
hid_err(hdev, "parse failed\n");
return ret;
}
if (!udraw_setup_joypad(udraw, hdev) ||
!udraw_setup_touch(udraw, hdev) ||
!udraw_setup_pen(udraw, hdev) ||
!udraw_setup_accel(udraw, hdev)) {
hid_err(hdev, "could not allocate interfaces\n");
return -ENOMEM;
}
ret = input_register_device(udraw->joy_input_dev) ||
input_register_device(udraw->touch_input_dev) ||
input_register_device(udraw->pen_input_dev) ||
input_register_device(udraw->accel_input_dev);
if (ret) {
hid_err(hdev, "failed to register interfaces\n");
return ret;
}
ret = hid_hw_start(hdev, HID_CONNECT_HIDRAW | HID_CONNECT_DRIVER);
if (ret) {
hid_err(hdev, "hw start failed\n");
return ret;
}
return 0;
}
static const struct hid_device_id udraw_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_THQ, USB_DEVICE_ID_THQ_PS3_UDRAW) },
{ }
};
MODULE_DEVICE_TABLE(hid, udraw_devices);
static struct hid_driver udraw_driver = {
.name = "hid-udraw",
.id_table = udraw_devices,
.raw_event = udraw_raw_event,
.probe = udraw_probe,
};
module_hid_driver(udraw_driver);