359 строки
12 KiB
C
359 строки
12 KiB
C
/*
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* Force feedback support for DragonRise Inc. game controllers
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*
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* From what I have gathered, these devices are mass produced in China and are
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* distributed under several vendors. They often share the same design as
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* the original PlayStation DualShock controller.
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*
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* 0079:0006 "DragonRise Inc. Generic USB Joystick "
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* - tested with a Tesun USB-703 game controller.
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*
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* Copyright (c) 2009 Richard Walmsley <richwalm@gmail.com>
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*/
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <linux/input.h>
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#include <linux/slab.h>
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#include <linux/hid.h>
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#include <linux/module.h>
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#include "hid-ids.h"
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#ifdef CONFIG_DRAGONRISE_FF
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struct drff_device {
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struct hid_report *report;
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};
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static int drff_play(struct input_dev *dev, void *data,
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struct ff_effect *effect)
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{
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struct hid_device *hid = input_get_drvdata(dev);
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struct drff_device *drff = data;
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int strong, weak;
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strong = effect->u.rumble.strong_magnitude;
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weak = effect->u.rumble.weak_magnitude;
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dbg_hid("called with 0x%04x 0x%04x", strong, weak);
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if (strong || weak) {
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strong = strong * 0xff / 0xffff;
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weak = weak * 0xff / 0xffff;
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/* While reverse engineering this device, I found that when
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this value is set, it causes the strong rumble to function
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at a near maximum speed, so we'll bypass it. */
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if (weak == 0x0a)
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weak = 0x0b;
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drff->report->field[0]->value[0] = 0x51;
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drff->report->field[0]->value[1] = 0x00;
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drff->report->field[0]->value[2] = weak;
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drff->report->field[0]->value[4] = strong;
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hid_hw_request(hid, drff->report, HID_REQ_SET_REPORT);
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drff->report->field[0]->value[0] = 0xfa;
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drff->report->field[0]->value[1] = 0xfe;
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} else {
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drff->report->field[0]->value[0] = 0xf3;
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drff->report->field[0]->value[1] = 0x00;
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}
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drff->report->field[0]->value[2] = 0x00;
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drff->report->field[0]->value[4] = 0x00;
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dbg_hid("running with 0x%02x 0x%02x", strong, weak);
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hid_hw_request(hid, drff->report, HID_REQ_SET_REPORT);
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return 0;
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}
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static int drff_init(struct hid_device *hid)
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{
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struct drff_device *drff;
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struct hid_report *report;
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struct hid_input *hidinput = list_first_entry(&hid->inputs,
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struct hid_input, list);
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struct list_head *report_list =
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&hid->report_enum[HID_OUTPUT_REPORT].report_list;
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struct input_dev *dev = hidinput->input;
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int error;
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if (list_empty(report_list)) {
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hid_err(hid, "no output reports found\n");
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return -ENODEV;
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}
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report = list_first_entry(report_list, struct hid_report, list);
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if (report->maxfield < 1) {
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hid_err(hid, "no fields in the report\n");
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return -ENODEV;
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}
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if (report->field[0]->report_count < 7) {
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hid_err(hid, "not enough values in the field\n");
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return -ENODEV;
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}
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drff = kzalloc(sizeof(struct drff_device), GFP_KERNEL);
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if (!drff)
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return -ENOMEM;
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set_bit(FF_RUMBLE, dev->ffbit);
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error = input_ff_create_memless(dev, drff, drff_play);
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if (error) {
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kfree(drff);
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return error;
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}
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drff->report = report;
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drff->report->field[0]->value[0] = 0xf3;
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drff->report->field[0]->value[1] = 0x00;
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drff->report->field[0]->value[2] = 0x00;
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drff->report->field[0]->value[3] = 0x00;
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drff->report->field[0]->value[4] = 0x00;
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drff->report->field[0]->value[5] = 0x00;
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drff->report->field[0]->value[6] = 0x00;
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hid_hw_request(hid, drff->report, HID_REQ_SET_REPORT);
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hid_info(hid, "Force Feedback for DragonRise Inc. "
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"game controllers by Richard Walmsley <richwalm@gmail.com>\n");
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return 0;
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}
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#else
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static inline int drff_init(struct hid_device *hid)
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{
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return 0;
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}
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#endif
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/*
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* The original descriptor of joystick with PID 0x0011, represented by DVTech PC
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* JS19. It seems both copied from another device and a result of confusion
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* either about the specification or about the program used to create the
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* descriptor. In any case, it's a wonder it works on Windows.
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*
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* Usage Page (Desktop), ; Generic desktop controls (01h)
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* Usage (Joystick), ; Joystick (04h, application collection)
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* Collection (Application),
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* Collection (Logical),
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* Report Size (8),
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* Report Count (5),
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* Logical Minimum (0),
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* Logical Maximum (255),
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* Physical Minimum (0),
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* Physical Maximum (255),
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* Usage (X), ; X (30h, dynamic value)
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* Usage (X), ; X (30h, dynamic value)
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* Usage (X), ; X (30h, dynamic value)
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* Usage (X), ; X (30h, dynamic value)
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* Usage (Y), ; Y (31h, dynamic value)
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* Input (Variable),
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* Report Size (4),
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* Report Count (1),
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* Logical Maximum (7),
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* Physical Maximum (315),
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* Unit (Degrees),
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* Usage (00h),
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* Input (Variable, Null State),
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* Unit,
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* Report Size (1),
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* Report Count (10),
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* Logical Maximum (1),
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* Physical Maximum (1),
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* Usage Page (Button), ; Button (09h)
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* Usage Minimum (01h),
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* Usage Maximum (0Ah),
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* Input (Variable),
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* Usage Page (FF00h), ; FF00h, vendor-defined
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* Report Size (1),
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* Report Count (10),
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* Logical Maximum (1),
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* Physical Maximum (1),
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* Usage (01h),
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* Input (Variable),
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* End Collection,
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* Collection (Logical),
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* Report Size (8),
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* Report Count (4),
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* Physical Maximum (255),
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* Logical Maximum (255),
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* Usage (02h),
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* Output (Variable),
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* End Collection,
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* End Collection
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*/
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/* Size of the original descriptor of the PID 0x0011 joystick */
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#define PID0011_RDESC_ORIG_SIZE 101
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/* Fixed report descriptor for PID 0x011 joystick */
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static __u8 pid0011_rdesc_fixed[] = {
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0x05, 0x01, /* Usage Page (Desktop), */
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0x09, 0x04, /* Usage (Joystick), */
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0xA1, 0x01, /* Collection (Application), */
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0xA1, 0x02, /* Collection (Logical), */
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0x14, /* Logical Minimum (0), */
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0x75, 0x08, /* Report Size (8), */
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0x95, 0x03, /* Report Count (3), */
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0x81, 0x01, /* Input (Constant), */
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0x26, 0xFF, 0x00, /* Logical Maximum (255), */
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0x95, 0x02, /* Report Count (2), */
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0x09, 0x30, /* Usage (X), */
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0x09, 0x31, /* Usage (Y), */
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0x81, 0x02, /* Input (Variable), */
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0x75, 0x01, /* Report Size (1), */
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0x95, 0x04, /* Report Count (4), */
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0x81, 0x01, /* Input (Constant), */
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0x25, 0x01, /* Logical Maximum (1), */
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0x95, 0x0A, /* Report Count (10), */
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0x05, 0x09, /* Usage Page (Button), */
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0x19, 0x01, /* Usage Minimum (01h), */
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0x29, 0x0A, /* Usage Maximum (0Ah), */
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0x81, 0x02, /* Input (Variable), */
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0x95, 0x0A, /* Report Count (10), */
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0x81, 0x01, /* Input (Constant), */
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0xC0, /* End Collection, */
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0xC0 /* End Collection */
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};
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static __u8 pid0006_rdesc_fixed[] = {
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0x05, 0x01, /* Usage Page (Generic Desktop) */
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0x09, 0x04, /* Usage (Joystick) */
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0xA1, 0x01, /* Collection (Application) */
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0xA1, 0x02, /* Collection (Logical) */
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0x75, 0x08, /* Report Size (8) */
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0x95, 0x05, /* Report Count (5) */
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0x15, 0x00, /* Logical Minimum (0) */
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0x26, 0xFF, 0x00, /* Logical Maximum (255) */
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0x35, 0x00, /* Physical Minimum (0) */
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0x46, 0xFF, 0x00, /* Physical Maximum (255) */
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0x09, 0x30, /* Usage (X) */
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0x09, 0x33, /* Usage (Ry) */
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0x09, 0x32, /* Usage (Z) */
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0x09, 0x31, /* Usage (Y) */
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0x09, 0x34, /* Usage (Ry) */
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0x81, 0x02, /* Input (Variable) */
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0x75, 0x04, /* Report Size (4) */
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0x95, 0x01, /* Report Count (1) */
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0x25, 0x07, /* Logical Maximum (7) */
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0x46, 0x3B, 0x01, /* Physical Maximum (315) */
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0x65, 0x14, /* Unit (Centimeter) */
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0x09, 0x39, /* Usage (Hat switch) */
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0x81, 0x42, /* Input (Variable) */
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0x65, 0x00, /* Unit (None) */
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0x75, 0x01, /* Report Size (1) */
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0x95, 0x0C, /* Report Count (12) */
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0x25, 0x01, /* Logical Maximum (1) */
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0x45, 0x01, /* Physical Maximum (1) */
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0x05, 0x09, /* Usage Page (Button) */
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0x19, 0x01, /* Usage Minimum (0x01) */
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0x29, 0x0C, /* Usage Maximum (0x0C) */
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0x81, 0x02, /* Input (Variable) */
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0x06, 0x00, 0xFF, /* Usage Page (Vendor Defined) */
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0x75, 0x01, /* Report Size (1) */
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0x95, 0x08, /* Report Count (8) */
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0x25, 0x01, /* Logical Maximum (1) */
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0x45, 0x01, /* Physical Maximum (1) */
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0x09, 0x01, /* Usage (0x01) */
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0x81, 0x02, /* Input (Variable) */
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0xC0, /* End Collection */
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0xA1, 0x02, /* Collection (Logical) */
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0x75, 0x08, /* Report Size (8) */
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0x95, 0x07, /* Report Count (7) */
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0x46, 0xFF, 0x00, /* Physical Maximum (255) */
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0x26, 0xFF, 0x00, /* Logical Maximum (255) */
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0x09, 0x02, /* Usage (0x02) */
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0x91, 0x02, /* Output (Variable) */
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0xC0, /* End Collection */
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0xC0 /* End Collection */
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};
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static __u8 *dr_report_fixup(struct hid_device *hdev, __u8 *rdesc,
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unsigned int *rsize)
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{
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switch (hdev->product) {
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case 0x0011:
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if (*rsize == PID0011_RDESC_ORIG_SIZE) {
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rdesc = pid0011_rdesc_fixed;
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*rsize = sizeof(pid0011_rdesc_fixed);
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}
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break;
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case 0x0006:
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if (*rsize == sizeof(pid0006_rdesc_fixed)) {
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rdesc = pid0006_rdesc_fixed;
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*rsize = sizeof(pid0006_rdesc_fixed);
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}
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break;
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}
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return rdesc;
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}
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static int dr_probe(struct hid_device *hdev, const struct hid_device_id *id)
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{
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int ret;
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dev_dbg(&hdev->dev, "DragonRise Inc. HID hardware probe...");
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ret = hid_parse(hdev);
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if (ret) {
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hid_err(hdev, "parse failed\n");
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goto err;
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}
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ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF);
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if (ret) {
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hid_err(hdev, "hw start failed\n");
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goto err;
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}
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switch (hdev->product) {
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case 0x0006:
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ret = drff_init(hdev);
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if (ret) {
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dev_err(&hdev->dev, "force feedback init failed\n");
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hid_hw_stop(hdev);
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goto err;
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}
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break;
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}
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return 0;
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err:
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return ret;
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}
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static const struct hid_device_id dr_devices[] = {
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{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006), },
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{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011), },
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{ }
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};
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MODULE_DEVICE_TABLE(hid, dr_devices);
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static struct hid_driver dr_driver = {
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.name = "dragonrise",
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.id_table = dr_devices,
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.report_fixup = dr_report_fixup,
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.probe = dr_probe,
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};
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module_hid_driver(dr_driver);
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MODULE_LICENSE("GPL");
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