VectorKappa/universal-pidff
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Merge branch 'main' into vrs

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This commit is contained in:
Makarenko Oleg
2024-10-17 11:14:22 +03:00
committed by GitHub
parent b4a1a47284 c29bb95c40
commit 31b4aa55b8
5 changed files with 177 additions and 10 deletions
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68
hid-pidff-wrapper.c
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@@ -4,14 +4,18 @@
* First of all targeting steering wheels and wheelbases
*
* Copyright (c) 2024 Makarenko Oleg
* Copyright (c) 2024 Tomasz Pakuła
*/
#include <linux/device.h>
#include <linux/hid.h>
#include <linux/module.h>
#include <linux/input-event-codes.h>
#include "hid-ids.h"
#include "hid-pidff.h"
#define JOY_RANGE (BTN_DEAD - BTN_JOYSTICK + 1)
static const struct hid_device_id pidff_wheel_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_MOZA, USB_DEVICE_ID_MOZA_R3),
.driver_data = PIDFF_QUIRK_FIX_WHEEL_DIRECTION },
@@ -23,12 +27,24 @@ static const struct hid_device_id pidff_wheel_devices[] = {
.driver_data = PIDFF_QUIRK_FIX_WHEEL_DIRECTION },
{ HID_USB_DEVICE(USB_VENDOR_ID_MOZA, USB_DEVICE_ID_MOZA_R16_R21),
.driver_data = PIDFF_QUIRK_FIX_WHEEL_DIRECTION },
{ HID_USB_DEVICE(USB_VENDOR_ID_VRS, USB_DEVICE_ID_VRS_DFP),
{ HID_USB_DEVICE(USB_VENDOR_ID_MOZA, USB_DEVICE_ID_MOZA_R3_FH5),
.driver_data = PIDFF_QUIRK_FIX_WHEEL_DIRECTION },
{ HID_USB_DEVICE(USB_VENDOR_ID_MOZA, USB_DEVICE_ID_MOZA_R5_FH5),
.driver_data = PIDFF_QUIRK_FIX_WHEEL_DIRECTION },
{ HID_USB_DEVICE(USB_VENDOR_ID_MOZA, USB_DEVICE_ID_MOZA_R9_FH5),
.driver_data = PIDFF_QUIRK_FIX_WHEEL_DIRECTION },
{ HID_USB_DEVICE(USB_VENDOR_ID_MOZA, USB_DEVICE_ID_MOZA_R12_FH5),
.driver_data = PIDFF_QUIRK_FIX_WHEEL_DIRECTION },
{ HID_USB_DEVICE(USB_VENDOR_ID_MOZA, USB_DEVICE_ID_MOZA_R16_R21_FH5),
.driver_data = PIDFF_QUIRK_FIX_WHEEL_DIRECTION },
{ HID_USB_DEVICE(USB_VENDOR_ID_CAMMUS, USB_DEVICE_ID_CAMMUS_C5),
.driver_data = PIDFF_QUIRK_NO_DELAY_EFFECT },
{ HID_USB_DEVICE(USB_VENDOR_ID_CAMMUS, USB_DEVICE_ID_CAMMUS_C12),
.driver_data = PIDFF_QUIRK_NO_DELAY_EFFECT },
{ HID_USB_DEVICE(USB_VENDOR_ID_VRS, USB_DEVICE_ID_VRS_DFP),
.driver_data = PIDFF_QUIRK_NO_DELAY_EFFECT
| PIDFF_QUIRK_NO_STRICT_PID_CONTROL
| PIDFF_QUIRK_NO_PID_PARAM_BLOCK_OFFSET },
{ HID_USB_DEVICE(USB_VENDOR_ID_CAMMUS, USB_DEVICE_ID_CAMMUS_C5),
.driver_data = PIDFF_QUIRK_NO_DELAY_EFFECT },
{ }
};
MODULE_DEVICE_TABLE(hid, pidff_wheel_devices);
@@ -54,6 +70,36 @@ static u8 *universal_pidff_report_fixup(struct hid_device *hdev, __u8 *rdesc,
return rdesc;
}
/*
* Map buttons manually to extend the default joystick buttn limit
*/
static int universal_pidff_input_mapping(struct hid_device *hdev, struct hid_input *hi,
struct hid_field *field, struct hid_usage *usage,
unsigned long **bit, int *max)
{
// Let the default behavior handle mapping if usage is not a button
if ((usage->hid & HID_USAGE_PAGE) != HID_UP_BUTTON)
return 0;
int button = ((usage->hid - 1) & HID_USAGE);
int code = button + BTN_JOYSTICK;
// Detect the end of JOYSTICK buttons range
// KEY_NEXT_FAVORITE = 0x270
if (code > BTN_DEAD)
code = button + KEY_NEXT_FAVORITE - JOY_RANGE;
// Map overflowing buttons to KEY_RESERVED for the upcoming new input event
// It will handle button presses differently and won't depend on defined
// ranges. KEY_RESERVED usage is needed for the button to not be ignored.
if (code > KEY_MAX)
code = KEY_RESERVED;
hid_map_usage(hi, usage, bit, max, EV_KEY, code);
hid_dbg(hdev, "Button %d: usage %d", button, code);
return 1;
}
/*
* Check if the device is PID and initialize it
@@ -89,17 +135,30 @@ err:
static int universal_pidff_input_configured(struct hid_device *hdev,
struct hid_input *hidinput)
{
// Remove fuzz and deadzone
// Remove fuzz and deadzone from the wheel axis
struct input_dev *input = hidinput->input;
input_set_abs_params(input, ABS_X,
input->absinfo[ABS_X].minimum, input->absinfo[ABS_X].maximum, 0, 0);
// Decrease fuzz and deadzone on additional axes
// Default Linux values are 255 for fuzz and 4096 for flat (deadzone)
int axis;
for (axis = ABS_Y; axis <= ABS_BRAKE; axis++) {
if (!test_bit(axis, input->absbit))
continue;
input_set_abs_params(input, axis,
input->absinfo[axis].minimum,
input->absinfo[axis].maximum, 8, 0);
}
return 0;
}
static struct hid_driver universal_pidff = {
.name = "hid-universal-pidff",
.id_table = pidff_wheel_devices,
.input_mapping = universal_pidff_input_mapping,
.probe = universal_pidff_probe,
.input_configured = universal_pidff_input_configured,
.report_fixup = universal_pidff_report_fixup
@@ -107,5 +166,6 @@ static struct hid_driver universal_pidff = {
module_hid_driver(universal_pidff);
MODULE_AUTHOR("Oleg Makarenko <oleg@makarenk.ooo>");
MODULE_AUTHOR("Tomasz Pakuła <tomasz.pakula.oficjalny@gmail.com>");
MODULE_DESCRIPTION("Universal HID PIDFF Driver");
MODULE_LICENSE("GPL");