diff options
Diffstat (limited to 'drivers/usb/input/hid-lgff.c')
| -rw-r--r-- | drivers/usb/input/hid-lgff.c | 150 |
1 files changed, 0 insertions, 150 deletions
diff --git a/drivers/usb/input/hid-lgff.c b/drivers/usb/input/hid-lgff.c deleted file mode 100644 index e6f3af3e66d..00000000000 --- a/drivers/usb/input/hid-lgff.c +++ /dev/null @@ -1,150 +0,0 @@ -/* - * Force feedback support for hid-compliant for some of the devices from - * Logitech, namely: - * - WingMan Cordless RumblePad - * - WingMan Force 3D - * - * Copyright (c) 2002-2004 Johann Deneux - * Copyright (c) 2006 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 - * - * Should you need to contact me, the author, you can do so by - * e-mail - mail your message to <johann.deneux@it.uu.se> - */ - -#include <linux/input.h> -#include <linux/usb.h> -#include <linux/hid.h> -#include "usbhid.h" - -struct dev_type { - u16 idVendor; - u16 idProduct; - const signed short *ff; -}; - -static const signed short ff_rumble[] = { - FF_RUMBLE, - -1 -}; - -static const signed short ff_joystick[] = { - FF_CONSTANT, - -1 -}; - -static const struct dev_type devices[] = { - { 0x046d, 0xc211, ff_rumble }, - { 0x046d, 0xc219, ff_rumble }, - { 0x046d, 0xc283, ff_joystick }, - { 0x046d, 0xc294, ff_joystick }, - { 0x046d, 0xc295, ff_joystick }, - { 0x046d, 0xca03, ff_joystick }, -}; - -static int hid_lgff_play(struct input_dev *dev, void *data, struct ff_effect *effect) -{ - struct hid_device *hid = dev->private; - struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; - struct hid_report *report = list_entry(report_list->next, struct hid_report, list); - int x, y; - unsigned int left, right; - -#define CLAMP(x) if (x < 0) x = 0; if (x > 0xff) x = 0xff - - switch (effect->type) { - case FF_CONSTANT: - x = effect->u.ramp.start_level + 0x7f; /* 0x7f is center */ - y = effect->u.ramp.end_level + 0x7f; - CLAMP(x); - CLAMP(y); - report->field[0]->value[0] = 0x51; - report->field[0]->value[1] = 0x08; - report->field[0]->value[2] = x; - report->field[0]->value[3] = y; - dbg("(x, y)=(%04x, %04x)", x, y); - usbhid_submit_report(hid, report, USB_DIR_OUT); - break; - - case FF_RUMBLE: - right = effect->u.rumble.strong_magnitude; - left = effect->u.rumble.weak_magnitude; - right = right * 0xff / 0xffff; - left = left * 0xff / 0xffff; - CLAMP(left); - CLAMP(right); - report->field[0]->value[0] = 0x42; - report->field[0]->value[1] = 0x00; - report->field[0]->value[2] = left; - report->field[0]->value[3] = right; - dbg("(left, right)=(%04x, %04x)", left, right); - usbhid_submit_report(hid, report, USB_DIR_OUT); - break; - } - return 0; -} - -int hid_lgff_init(struct hid_device* hid) -{ - 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; - struct hid_report *report; - struct hid_field *field; - const signed short *ff_bits = ff_joystick; - int error; - int i; - - /* Find the report to use */ - if (list_empty(report_list)) { - err("No output report found"); - return -1; - } - - /* Check that the report looks ok */ - report = list_entry(report_list->next, struct hid_report, list); - if (!report) { - err("NULL output report"); - return -1; - } - - field = report->field[0]; - if (!field) { - err("NULL field"); - return -1; - } - - for (i = 0; i < ARRAY_SIZE(devices); i++) { - if (dev->id.vendor == devices[i].idVendor && - dev->id.product == devices[i].idProduct) { - ff_bits = devices[i].ff; - break; - } - } - - for (i = 0; ff_bits[i] >= 0; i++) - set_bit(ff_bits[i], dev->ffbit); - - error = input_ff_create_memless(dev, NULL, hid_lgff_play); - if (error) - return error; - - printk(KERN_INFO "Force feedback for Logitech force feedback devices by Johann Deneux <johann.deneux@it.uu.se>\n"); - - return 0; -} |