linux/drivers/hid/hid-sjoy.c
Thomas Gleixner 1a59d1b8e0 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
Based on 1 normalized pattern(s):

  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 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 you
  should have received a copy of the gnu general public license along
  with this program if not write to the free software foundation inc
  59 temple place suite 330 boston ma 02111 1307 usa

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 1334 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:26:35 -07:00

174 lines
4.4 KiB
C

// 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");