diff options
Diffstat (limited to 'drivers/usb/input/hid-tmff.c')
| -rw-r--r-- | drivers/usb/input/hid-tmff.c | 147 |
1 files changed, 0 insertions, 147 deletions
diff --git a/drivers/usb/input/hid-tmff.c b/drivers/usb/input/hid-tmff.c deleted file mode 100644 index ab67331620d0..000000000000 --- a/drivers/usb/input/hid-tmff.c +++ /dev/null @@ -1,147 +0,0 @@ -/* - * Force feedback support for various HID compliant devices by ThrustMaster: - * ThrustMaster FireStorm Dual Power 2 - * and possibly others whose device ids haven't been added. - * - * Modified to support ThrustMaster devices by Zinx Verituse - * on 2003-01-25 from the Logitech force feedback driver, - * which is by Johann Deneux. - * - * Copyright (c) 2003 Zinx Verituse <zinx@epicsol.org> - * Copyright (c) 2002 Johann Deneux - */ - -/* - * 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> - -#undef DEBUG -#include <linux/usb.h> - -#include <linux/hid.h> -#include "usbhid.h" - -/* Usages for thrustmaster devices I know about */ -#define THRUSTMASTER_USAGE_RUMBLE_LR (HID_UP_GENDESK | 0xbb) - - -struct tmff_device { - struct hid_report *report; - struct hid_field *rumble; -}; - -/* Changes values from 0 to 0xffff into values from minimum to maximum */ -static inline int hid_tmff_scale(unsigned int in, int minimum, int maximum) -{ - int ret; - - ret = (in * (maximum - minimum) / 0xffff) + minimum; - if (ret < minimum) - return minimum; - if (ret > maximum) - return maximum; - return ret; -} - -static int hid_tmff_play(struct input_dev *dev, void *data, struct ff_effect *effect) -{ - struct hid_device *hid = dev->private; - struct tmff_device *tmff = data; - int left, right; /* Rumbling */ - - left = hid_tmff_scale(effect->u.rumble.weak_magnitude, - tmff->rumble->logical_minimum, tmff->rumble->logical_maximum); - right = hid_tmff_scale(effect->u.rumble.strong_magnitude, - tmff->rumble->logical_minimum, tmff->rumble->logical_maximum); - - tmff->rumble->value[0] = left; - tmff->rumble->value[1] = right; - dbg("(left,right)=(%08x, %08x)", left, right); - usbhid_submit_report(hid, tmff->report, USB_DIR_OUT); - - return 0; -} - -int hid_tmff_init(struct hid_device *hid) -{ - struct tmff_device *tmff; - struct list_head *pos; - struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list); - struct input_dev *input_dev = hidinput->input; - int error; - - tmff = kzalloc(sizeof(struct tmff_device), GFP_KERNEL); - if (!tmff) - return -ENOMEM; - - /* Find the report to use */ - __list_for_each(pos, &hid->report_enum[HID_OUTPUT_REPORT].report_list) { - struct hid_report *report = (struct hid_report *)pos; - int fieldnum; - - for (fieldnum = 0; fieldnum < report->maxfield; ++fieldnum) { - struct hid_field *field = report->field[fieldnum]; - - if (field->maxusage <= 0) - continue; - - switch (field->usage[0].hid) { - case THRUSTMASTER_USAGE_RUMBLE_LR: - if (field->report_count < 2) { - warn("ignoring THRUSTMASTER_USAGE_RUMBLE_LR with report_count < 2"); - continue; - } - - if (field->logical_maximum == field->logical_minimum) { - warn("ignoring THRUSTMASTER_USAGE_RUMBLE_LR with logical_maximum == logical_minimum"); - continue; - } - - if (tmff->report && tmff->report != report) { - warn("ignoring THRUSTMASTER_USAGE_RUMBLE_LR in other report"); - continue; - } - - if (tmff->rumble && tmff->rumble != field) { - warn("ignoring duplicate THRUSTMASTER_USAGE_RUMBLE_LR"); - continue; - } - - tmff->report = report; - tmff->rumble = field; - - set_bit(FF_RUMBLE, input_dev->ffbit); - break; - - default: - warn("ignoring unknown output usage %08x", field->usage[0].hid); - continue; - } - } - } - - error = input_ff_create_memless(input_dev, tmff, hid_tmff_play); - if (error) { - kfree(tmff); - return error; - } - - info("Force feedback for ThrustMaster rumble pad devices by Zinx Verituse <zinx@epicsol.org>"); - - return 0; -} - |