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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Force feedback support for SmartJoy PLUS PS2->USB adapter
*
* Copyright (c) 2009 Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
*
* Based of hid-pl.c and hid-gaff.c
* Copyright (c) 2007, 2009 Anssi Hannula <anssi.hannula@gmail.com>
* Copyright (c) 2008 Lukasz Lubojanski <lukasz@lubojanski.info>
*/
/*
*/
/* #define DEBUG */
#include <linux/input.h>
#include <linux/slab.h>
#include <linux/hid.h>
#include <linux/module.h>
#include "hid-ids.h"
#ifdef CONFIG_SMARTJOYPLUS_FF
struct sjoyff_device {
struct hid_report *report;
};
static int hid_sjoyff_play(struct input_dev *dev, void *data,
struct ff_effect *effect)
{
struct hid_device *hid = input_get_drvdata(dev);
struct sjoyff_device *sjoyff = data;
u32 left, right;
left = effect->u.rumble.strong_magnitude;
right = effect->u.rumble.weak_magnitude;
dev_dbg(&dev->dev, "called with 0x%08x 0x%08x\n", left, right);
left = left * 0xff / 0xffff;
right = (right != 0); /* on/off only */
sjoyff->report->field[0]->value[1] = right;
sjoyff->report->field[0]->value[2] = left;
dev_dbg(&dev->dev, "running with 0x%02x 0x%02x\n", left, right);
hid_hw_request(hid, sjoyff->report, HID_REQ_SET_REPORT);
return 0;
}
static int sjoyff_init(struct hid_device *hid)
{
struct sjoyff_device *sjoyff;
struct hid_report *report;
struct hid_input *hidinput;
struct list_head *report_list =
&hid->report_enum[HID_OUTPUT_REPORT].report_list;
struct list_head *report_ptr = report_list;
struct input_dev *dev;
int error;
if (list_empty(report_list)) {
hid_err(hid, "no output reports found\n");
return -ENODEV;
}
list_for_each_entry(hidinput, &hid->inputs, list) {
report_ptr = report_ptr->next;
if (report_ptr == report_list) {
hid_err(hid, "required output report is missing\n");
return -ENODEV;
}
report = list_entry(report_ptr, struct hid_report, list);
if (report->maxfield < 1) {
hid_err(hid, "no fields in the report\n");
return -ENODEV;
}
if (report->field[0]->report_count < 3) {
hid_err(hid, "not enough values in the field\n");
return -ENODEV;
}
sjoyff = kzalloc(sizeof(struct sjoyff_device), GFP_KERNEL);
if (!sjoyff)
return -ENOMEM;
dev = hidinput->input;
set_bit(FF_RUMBLE, dev->ffbit);
error = input_ff_create_memless(dev, sjoyff, hid_sjoyff_play);
if (error) {
kfree(sjoyff);
return error;
}
sjoyff->report = report;
sjoyff->report->field[0]->value[0] = 0x01;
sjoyff->report->field[0]->value[1] = 0x00;
sjoyff->report->field[0]->value[2] = 0x00;
hid_hw_request(hid, sjoyff->report, HID_REQ_SET_REPORT);
}
hid_info(hid, "Force feedback for SmartJoy PLUS PS2/USB adapter\n");
return 0;
}
#else
static inline int sjoyff_init(struct hid_device *hid)
{
return 0;
}
#endif
static int sjoy_probe(struct hid_device *hdev, const struct hid_device_id *id)
{
int ret;
hdev->quirks |= id->driver_data;
ret = hid_parse(hdev);
if (ret) {
hid_err(hdev, "parse failed\n");
goto err;
}
ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF);
if (ret) {
hid_err(hdev, "hw start failed\n");
goto err;
}
sjoyff_init(hdev);
return 0;
err:
return ret;
}
static const struct hid_device_id sjoy_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO),
.driver_data = HID_QUIRK_NOGET },
{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO),
.driver_data = HID_QUIRK_MULTI_INPUT | HID_QUIRK_NOGET |
HID_QUIRK_SKIP_OUTPUT_REPORTS },
{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO),
.driver_data = HID_QUIRK_MULTI_INPUT | HID_QUIRK_NOGET |
HID_QUIRK_SKIP_OUTPUT_REPORTS },
{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) },
{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) },
{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD),
.driver_data = HID_QUIRK_MULTI_INPUT |
HID_QUIRK_SKIP_OUTPUT_REPORTS },
{ HID_USB_DEVICE(USB_VENDOR_ID_PLAYDOTCOM, USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII),
.driver_data = HID_QUIRK_MULTI_INPUT |
HID_QUIRK_SKIP_OUTPUT_REPORTS },
{ }
};
MODULE_DEVICE_TABLE(hid, sjoy_devices);
static struct hid_driver sjoy_driver = {
.name = "smartjoyplus",
.id_table = sjoy_devices,
.probe = sjoy_probe,
};
module_hid_driver(sjoy_driver);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Jussi Kivilinna");
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