kpriv/linux-hardened
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

HID: force feedback driver for Logitech Rumblepad 2

Browse source 
Add force feedback support for Logitech Rumblepad 2.

Tested-By: Edgar Simo <bobbens@gmail.com>
Signed-off-by: Anssi Hannula <anssi.hannula@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Anssi Hannula 2008-04-01 01:51:11 +02:00 committed by Jiri Kosina
parent 1d1bdd2000
commit c17f9c901c
5 changed files with 129 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
drivers/hid/usbhid/Kconfig
View file

@ -71,6 +71,14 @@ config LOGITECH_FF
Note: if you say N here, this device will still be supported, but without
force feedback.
config LOGIRUMBLEPAD2_FF
bool "Logitech Rumblepad 2 support"
depends on HID_FF
select INPUT_FF_MEMLESS if USB_HID
help
Say Y here if you want to enable force feedback support for Logitech
Rumblepad 2 devices.
config PANTHERLORD_FF
bool "PantherLord/GreenAsia based device support"
depends on HID_FF

3
drivers/hid/usbhid/Makefile
View file

@ -16,6 +16,9 @@ endif
ifeq ($(CONFIG_LOGITECH_FF),y)
usbhid-objs += hid-lgff.o
endif
ifeq ($(CONFIG_LOGIRUMBLEPAD2_FF),y)
usbhid-objs += hid-lg2ff.o
endif
ifeq ($(CONFIG_PANTHERLORD_FF),y)
usbhid-objs += hid-plff.o
endif

3
drivers/hid/usbhid/hid-ff.c
View file

@ -59,6 +59,9 @@ static struct hid_ff_initializer inits[] = {
{ 0x46d, 0xc295, hid_lgff_init }, /* Logitech MOMO force wheel */
{ 0x46d, 0xca03, hid_lgff_init }, /* Logitech MOMO force wheel */
#endif
#ifdef CONFIG_LOGIRUMBLEPAD2_FF
{ 0x46d, 0xc218, hid_lg2ff_init }, /* Logitech Rumblepad 2 */
#endif
#ifdef CONFIG_PANTHERLORD_FF
{ 0x810, 0x0001, hid_plff_init }, /* "Twin USB Joystick" */
{ 0xe8f, 0x0003, hid_plff_init }, /* "GreenAsia Inc. USB Joystick " */

114
drivers/hid/usbhid/hid-lg2ff.c Normal file
View file

@ -0,0 +1,114 @@
/*
* Force feedback support for Logitech Rumblepad 2
*
* Copyright (c) 2008 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
*/
#include <linux/input.h>
#include <linux/usb.h>
#include <linux/hid.h>
#include "usbhid.h"
struct lg2ff_device {
struct hid_report *report;
};
static int play_effect(struct input_dev *dev, void *data,
struct ff_effect *effect)
{
struct hid_device *hid = input_get_drvdata(dev);
struct lg2ff_device *lg2ff = data;
int weak, strong;
strong = effect->u.rumble.strong_magnitude;
weak = effect->u.rumble.weak_magnitude;
if (weak || strong) {
weak = weak * 0xff / 0xffff;
strong = strong * 0xff / 0xffff;
lg2ff->report->field[0]->value[0] = 0x51;
lg2ff->report->field[0]->value[2] = weak;
lg2ff->report->field[0]->value[4] = strong;
} else {
lg2ff->report->field[0]->value[0] = 0xf3;
lg2ff->report->field[0]->value[2] = 0x00;
lg2ff->report->field[0]->value[4] = 0x00;
}
usbhid_submit_report(hid, lg2ff->report, USB_DIR_OUT);
return 0;
}
int hid_lg2ff_init(struct hid_device *hid)
{
struct lg2ff_device *lg2ff;
struct hid_report *report;
struct hid_input *hidinput = list_entry(hid->inputs.next,
struct hid_input, list);
struct list_head *report_list =
&hid->report_enum[HID_OUTPUT_REPORT].report_list;
struct input_dev *dev = hidinput->input;
int error;
if (list_empty(report_list)) {
printk(KERN_ERR "hid-lg2ff: no output report found\n");
return -ENODEV;
}
report = list_entry(report_list->next, struct hid_report, list);
if (report->maxfield < 1) {
printk(KERN_ERR "hid-lg2ff: output report is empty\n");
return -ENODEV;
}
if (report->field[0]->report_count < 7) {
printk(KERN_ERR "hid-lg2ff: not enough values in the field\n");
return -ENODEV;
}
lg2ff = kmalloc(sizeof(struct lg2ff_device), GFP_KERNEL);
if (!lg2ff)
return -ENOMEM;
set_bit(FF_RUMBLE, dev->ffbit);
error = input_ff_create_memless(dev, lg2ff, play_effect);
if (error) {
kfree(lg2ff);
return error;
}
lg2ff->report = report;
report->field[0]->value[0] = 0xf3;
report->field[0]->value[1] = 0x00;
report->field[0]->value[2] = 0x00;
report->field[0]->value[3] = 0x00;
report->field[0]->value[4] = 0x00;
report->field[0]->value[5] = 0x00;
report->field[0]->value[6] = 0x00;
usbhid_submit_report(hid, report, USB_DIR_OUT);
printk(KERN_INFO "Force feedback for Logitech Rumblepad 2 by "
"Anssi Hannula <anssi.hannula@gmail.com>\n");
return 0;
}

1
include/linux/hid.h
View file

@ -547,6 +547,7 @@ void usbhid_fixup_report_descriptor(const u16, const u16, char *, unsigned, char
int hid_ff_init(struct hid_device *hid);
int hid_lgff_init(struct hid_device *hid);
int hid_lg2ff_init(struct hid_device *hid);
int hid_plff_init(struct hid_device *hid);
int hid_tmff_init(struct hid_device *hid);
int hid_zpff_init(struct hid_device *hid);