linux/drivers/hid/hid-mf.c
Thomas Gleixner c942fddf87 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
Based on 3 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

  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 [author] [kishon] [vijay] [abraham]
  [i] [kishon]@[ti] [com] 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

  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 [author] [graeme] [gregory]
  [gg]@[slimlogic] [co] [uk] [author] [kishon] [vijay] [abraham] [i]
  [kishon]@[ti] [com] [based] [on] [twl6030]_[usb] [c] [author] [hema]
  [hk] [hemahk]@[ti] [com] 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

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 1105 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070033.202006027@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:26:37 -07:00

168 lines
4.2 KiB
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Force feedback support for Mayflash game controller adapters.
*
* These devices are manufactured by Mayflash but identify themselves
* using the vendor ID of DragonRise Inc.
*
* Tested with:
* 0079:1801 "DragonRise Inc. Mayflash PS3 Game Controller Adapter"
* 0079:1803 "DragonRise Inc. Mayflash Wireless Sensor DolphinBar"
* 0079:1843 "DragonRise Inc. Mayflash GameCube Game Controller Adapter"
* 0079:1844 "DragonRise Inc. Mayflash GameCube Game Controller Adapter (v04)"
*
* The following adapters probably work too, but need to be tested:
* 0079:1800 "DragonRise Inc. Mayflash WIIU Game Controller Adapter"
*
* Copyright (c) 2016-2017 Marcel Hasler <mahasler@gmail.com>
*/
/*
*/
#include <linux/input.h>
#include <linux/slab.h>
#include <linux/hid.h>
#include <linux/module.h>
#include "hid-ids.h"
struct mf_device {
struct hid_report *report;
};
static int mf_play(struct input_dev *dev, void *data, struct ff_effect *effect)
{
struct hid_device *hid = input_get_drvdata(dev);
struct mf_device *mf = data;
int strong, weak;
strong = effect->u.rumble.strong_magnitude;
weak = effect->u.rumble.weak_magnitude;
dbg_hid("Called with 0x%04x 0x%04x.\n", strong, weak);
strong = strong * 0xff / 0xffff;
weak = weak * 0xff / 0xffff;
dbg_hid("Running with 0x%02x 0x%02x.\n", strong, weak);
mf->report->field[0]->value[0] = weak;
mf->report->field[0]->value[1] = strong;
hid_hw_request(hid, mf->report, HID_REQ_SET_REPORT);
return 0;
}
static int mf_init(struct hid_device *hid)
{
struct mf_device *mf;
struct list_head *report_list =
&hid->report_enum[HID_OUTPUT_REPORT].report_list;
struct list_head *report_ptr;
struct hid_report *report;
struct list_head *input_ptr = &hid->inputs;
struct hid_input *input;
struct input_dev *dev;
int error;
/* Setup each of the four inputs */
list_for_each(report_ptr, report_list) {
report = list_entry(report_ptr, struct hid_report, list);
if (report->maxfield < 1 || report->field[0]->report_count < 2) {
hid_err(hid, "Invalid report, this should never happen!\n");
return -ENODEV;
}
if (list_is_last(input_ptr, &hid->inputs)) {
hid_err(hid, "Missing input, this should never happen!\n");
return -ENODEV;
}
input_ptr = input_ptr->next;
input = list_entry(input_ptr, struct hid_input, list);
mf = kzalloc(sizeof(struct mf_device), GFP_KERNEL);
if (!mf)
return -ENOMEM;
dev = input->input;
set_bit(FF_RUMBLE, dev->ffbit);
error = input_ff_create_memless(dev, mf, mf_play);
if (error) {
kfree(mf);
return error;
}
mf->report = report;
mf->report->field[0]->value[0] = 0x00;
mf->report->field[0]->value[1] = 0x00;
hid_hw_request(hid, mf->report, HID_REQ_SET_REPORT);
}
hid_info(hid, "Force feedback for HJZ Mayflash game controller "
"adapters by Marcel Hasler <mahasler@gmail.com>\n");
return 0;
}
static int mf_probe(struct hid_device *hid, const struct hid_device_id *id)
{
int error;
dev_dbg(&hid->dev, "Mayflash HID hardware probe...\n");
/* Apply quirks as needed */
hid->quirks |= id->driver_data;
error = hid_parse(hid);
if (error) {
hid_err(hid, "HID parse failed.\n");
return error;
}
error = hid_hw_start(hid, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF);
if (error) {
hid_err(hid, "HID hw start failed\n");
return error;
}
error = mf_init(hid);
if (error) {
hid_err(hid, "Force feedback init failed.\n");
hid_hw_stop(hid);
return error;
}
return 0;
}
static const struct hid_device_id mf_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_PS3),
.driver_data = HID_QUIRK_MULTI_INPUT },
{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_DOLPHINBAR),
.driver_data = HID_QUIRK_MULTI_INPUT },
{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_GAMECUBE1),
.driver_data = HID_QUIRK_MULTI_INPUT },
{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_GAMECUBE2),
.driver_data = 0 }, /* No quirk required */
{ }
};
MODULE_DEVICE_TABLE(hid, mf_devices);
static struct hid_driver mf_driver = {
.name = "hid_mf",
.id_table = mf_devices,
.probe = mf_probe,
};
module_hid_driver(mf_driver);
MODULE_LICENSE("GPL");