diff options
Diffstat (limited to 'drivers/hid/hid-drff.c')
| -rw-r--r-- | drivers/hid/hid-drff.c | 197 |
1 files changed, 0 insertions, 197 deletions
diff --git a/drivers/hid/hid-drff.c b/drivers/hid/hid-drff.c deleted file mode 100644 index 968b04f9b79..00000000000 --- a/drivers/hid/hid-drff.c +++ /dev/null @@ -1,197 +0,0 @@ -/* - * Force feedback support for DragonRise Inc. game controllers - * - * From what I have gathered, these devices are mass produced in China and are - * distributed under several vendors. They often share the same design as - * the original PlayStation DualShock controller. - * - * 0079:0006 "DragonRise Inc. Generic USB Joystick " - * - tested with a Tesun USB-703 game controller. - * - * Copyright (c) 2009 Richard Walmsley <richwalm@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/slab.h> -#include <linux/usb.h> -#include <linux/hid.h> - -#include "hid-ids.h" - -#ifdef CONFIG_DRAGONRISE_FF -#include "usbhid/usbhid.h" - -struct drff_device { - struct hid_report *report; -}; - -static int drff_play(struct input_dev *dev, void *data, - struct ff_effect *effect) -{ - struct hid_device *hid = input_get_drvdata(dev); - struct drff_device *drff = data; - int strong, weak; - - strong = effect->u.rumble.strong_magnitude; - weak = effect->u.rumble.weak_magnitude; - - dbg_hid("called with 0x%04x 0x%04x", strong, weak); - - if (strong || weak) { - strong = strong * 0xff / 0xffff; - weak = weak * 0xff / 0xffff; - - /* While reverse engineering this device, I found that when - this value is set, it causes the strong rumble to function - at a near maximum speed, so we'll bypass it. */ - if (weak == 0x0a) - weak = 0x0b; - - drff->report->field[0]->value[0] = 0x51; - drff->report->field[0]->value[1] = 0x00; - drff->report->field[0]->value[2] = weak; - drff->report->field[0]->value[4] = strong; - usbhid_submit_report(hid, drff->report, USB_DIR_OUT); - - drff->report->field[0]->value[0] = 0xfa; - drff->report->field[0]->value[1] = 0xfe; - } else { - drff->report->field[0]->value[0] = 0xf3; - drff->report->field[0]->value[1] = 0x00; - } - - drff->report->field[0]->value[2] = 0x00; - drff->report->field[0]->value[4] = 0x00; - dbg_hid("running with 0x%02x 0x%02x", strong, weak); - usbhid_submit_report(hid, drff->report, USB_DIR_OUT); - - return 0; -} - -static int drff_init(struct hid_device *hid) -{ - struct drff_device *drff; - struct hid_report *report; - struct hid_input *hidinput = list_first_entry(&hid->inputs, - 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)) { - dev_err(&hid->dev, "no output reports found\n"); - return -ENODEV; - } - - report = list_first_entry(report_list, struct hid_report, list); - if (report->maxfield < 1) { - dev_err(&hid->dev, "no fields in the report\n"); - return -ENODEV; - } - - if (report->field[0]->report_count < 7) { - dev_err(&hid->dev, "not enough values in the field\n"); - return -ENODEV; - } - - drff = kzalloc(sizeof(struct drff_device), GFP_KERNEL); - if (!drff) - return -ENOMEM; - - set_bit(FF_RUMBLE, dev->ffbit); - - error = input_ff_create_memless(dev, drff, drff_play); - if (error) { - kfree(drff); - return error; - } - - drff->report = report; - drff->report->field[0]->value[0] = 0xf3; - drff->report->field[0]->value[1] = 0x00; - drff->report->field[0]->value[2] = 0x00; - drff->report->field[0]->value[3] = 0x00; - drff->report->field[0]->value[4] = 0x00; - drff->report->field[0]->value[5] = 0x00; - drff->report->field[0]->value[6] = 0x00; - usbhid_submit_report(hid, drff->report, USB_DIR_OUT); - - dev_info(&hid->dev, "Force Feedback for DragonRise Inc. game " - "controllers by Richard Walmsley <richwalm@gmail.com>\n"); - - return 0; -} -#else -static inline int drff_init(struct hid_device *hid) -{ - return 0; -} -#endif - -static int dr_probe(struct hid_device *hdev, const struct hid_device_id *id) -{ - int ret; - - dev_dbg(&hdev->dev, "DragonRise Inc. HID hardware probe..."); - - ret = hid_parse(hdev); - if (ret) { - dev_err(&hdev->dev, "parse failed\n"); - goto err; - } - - ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF); - if (ret) { - dev_err(&hdev->dev, "hw start failed\n"); - goto err; - } - - drff_init(hdev); - - return 0; -err: - return ret; -} - -static const struct hid_device_id dr_devices[] = { - { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006), }, - { } -}; -MODULE_DEVICE_TABLE(hid, dr_devices); - -static struct hid_driver dr_driver = { - .name = "dragonrise", - .id_table = dr_devices, - .probe = dr_probe, -}; - -static int __init dr_init(void) -{ - return hid_register_driver(&dr_driver); -} - -static void __exit dr_exit(void) -{ - hid_unregister_driver(&dr_driver); -} - -module_init(dr_init); -module_exit(dr_exit); -MODULE_LICENSE("GPL"); |