233 lines
5.9 KiB
C
233 lines
5.9 KiB
C
/*
|
|
* Force feedback support for PantherLord/GreenAsia based devices
|
|
*
|
|
* The devices are distributed under various names and the same USB device ID
|
|
* can be used in both adapters and actual game controllers.
|
|
*
|
|
* 0810:0001 "Twin USB Joystick"
|
|
* - tested with PantherLord USB/PS2 2in1 Adapter
|
|
* - contains two reports, one for each port (HID_QUIRK_MULTI_INPUT)
|
|
*
|
|
* 0e8f:0003 "GreenAsia Inc. USB Joystick "
|
|
* - tested with König Gaming gamepad
|
|
*
|
|
* 0e8f:0003 "GASIA USB Gamepad"
|
|
* - another version of the König gamepad
|
|
*
|
|
* Copyright (c) 2007, 2009 Anssi Hannula <anssi.hannula@gmail.com>
|
|
*/
|
|
|
|
/*
|
|
* 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
|
|
*/
|
|
|
|
|
|
/* #define DEBUG */
|
|
|
|
#define debug(format, arg...) pr_debug("hid-plff: " format "\n" , ## arg)
|
|
|
|
#include <linux/input.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/module.h>
|
|
#include <linux/usb.h>
|
|
#include <linux/hid.h>
|
|
|
|
#include "hid-ids.h"
|
|
|
|
#ifdef CONFIG_PANTHERLORD_FF
|
|
#include "usbhid/usbhid.h"
|
|
|
|
struct plff_device {
|
|
struct hid_report *report;
|
|
s32 *strong;
|
|
s32 *weak;
|
|
};
|
|
|
|
static int hid_plff_play(struct input_dev *dev, void *data,
|
|
struct ff_effect *effect)
|
|
{
|
|
struct hid_device *hid = input_get_drvdata(dev);
|
|
struct plff_device *plff = data;
|
|
int left, right;
|
|
|
|
left = effect->u.rumble.strong_magnitude;
|
|
right = effect->u.rumble.weak_magnitude;
|
|
debug("called with 0x%04x 0x%04x", left, right);
|
|
|
|
left = left * 0x7f / 0xffff;
|
|
right = right * 0x7f / 0xffff;
|
|
|
|
*plff->strong = left;
|
|
*plff->weak = right;
|
|
debug("running with 0x%02x 0x%02x", left, right);
|
|
usbhid_submit_report(hid, plff->report, USB_DIR_OUT);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int plff_init(struct hid_device *hid)
|
|
{
|
|
struct plff_device *plff;
|
|
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;
|
|
s32 *strong;
|
|
s32 *weak;
|
|
|
|
/* The device contains one output report per physical device, all
|
|
containing 1 field, which contains 4 ff00.0002 usages and 4 16bit
|
|
absolute values.
|
|
|
|
The input reports also contain a field which contains
|
|
8 ff00.0001 usages and 8 boolean values. Their meaning is
|
|
currently unknown.
|
|
|
|
A version of the 0e8f:0003 exists that has all the values in
|
|
separate fields and misses the extra input field, thus resembling
|
|
Zeroplus (hid-zpff) devices.
|
|
*/
|
|
|
|
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 >= 4) {
|
|
report->field[0]->value[0] = 0x00;
|
|
report->field[0]->value[1] = 0x00;
|
|
strong = &report->field[0]->value[2];
|
|
weak = &report->field[0]->value[3];
|
|
debug("detected single-field device");
|
|
} else if (report->maxfield >= 4 && report->field[0]->maxusage == 1 &&
|
|
report->field[0]->usage[0].hid == (HID_UP_LED | 0x43)) {
|
|
report->field[0]->value[0] = 0x00;
|
|
report->field[1]->value[0] = 0x00;
|
|
strong = &report->field[2]->value[0];
|
|
weak = &report->field[3]->value[0];
|
|
debug("detected 4-field device");
|
|
} else {
|
|
hid_err(hid, "not enough fields or values\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
plff = kzalloc(sizeof(struct plff_device), GFP_KERNEL);
|
|
if (!plff)
|
|
return -ENOMEM;
|
|
|
|
dev = hidinput->input;
|
|
|
|
set_bit(FF_RUMBLE, dev->ffbit);
|
|
|
|
error = input_ff_create_memless(dev, plff, hid_plff_play);
|
|
if (error) {
|
|
kfree(plff);
|
|
return error;
|
|
}
|
|
|
|
plff->report = report;
|
|
plff->strong = strong;
|
|
plff->weak = weak;
|
|
|
|
*strong = 0x00;
|
|
*weak = 0x00;
|
|
usbhid_submit_report(hid, plff->report, USB_DIR_OUT);
|
|
}
|
|
|
|
hid_info(hid, "Force feedback for PantherLord/GreenAsia devices by Anssi Hannula <anssi.hannula@gmail.com>\n");
|
|
|
|
return 0;
|
|
}
|
|
#else
|
|
static inline int plff_init(struct hid_device *hid)
|
|
{
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
static int pl_probe(struct hid_device *hdev, const struct hid_device_id *id)
|
|
{
|
|
int ret;
|
|
|
|
if (id->driver_data)
|
|
hdev->quirks |= HID_QUIRK_MULTI_INPUT;
|
|
|
|
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;
|
|
}
|
|
|
|
plff_init(hdev);
|
|
|
|
return 0;
|
|
err:
|
|
return ret;
|
|
}
|
|
|
|
static const struct hid_device_id pl_devices[] = {
|
|
{ HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR),
|
|
.driver_data = 1 }, /* Twin USB Joystick */
|
|
{ HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR),
|
|
.driver_data = 1 }, /* Twin USB Joystick */
|
|
{ HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003), },
|
|
{ }
|
|
};
|
|
MODULE_DEVICE_TABLE(hid, pl_devices);
|
|
|
|
static struct hid_driver pl_driver = {
|
|
.name = "pantherlord",
|
|
.id_table = pl_devices,
|
|
.probe = pl_probe,
|
|
};
|
|
|
|
static int __init pl_init(void)
|
|
{
|
|
return hid_register_driver(&pl_driver);
|
|
}
|
|
|
|
static void __exit pl_exit(void)
|
|
{
|
|
hid_unregister_driver(&pl_driver);
|
|
}
|
|
|
|
module_init(pl_init);
|
|
module_exit(pl_exit);
|
|
MODULE_LICENSE("GPL");
|