| /* |
| * 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/hid.h> |
| #include <linux/module.h> |
| |
| #include "hid-ids.h" |
| |
| #ifdef CONFIG_DRAGONRISE_FF |
| |
| 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; |
| hid_hw_request(hid, drff->report, HID_REQ_SET_REPORT); |
| |
| 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); |
| hid_hw_request(hid, drff->report, HID_REQ_SET_REPORT); |
| |
| 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)) { |
| hid_err(hid, "no output reports found\n"); |
| return -ENODEV; |
| } |
| |
| report = list_first_entry(report_list, struct hid_report, list); |
| if (report->maxfield < 1) { |
| hid_err(hid, "no fields in the report\n"); |
| return -ENODEV; |
| } |
| |
| if (report->field[0]->report_count < 7) { |
| hid_err(hid, "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; |
| hid_hw_request(hid, drff->report, HID_REQ_SET_REPORT); |
| |
| hid_info(hid, "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 |
| |
| /* |
| * The original descriptor of joystick with PID 0x0011, represented by DVTech PC |
| * JS19. It seems both copied from another device and a result of confusion |
| * either about the specification or about the program used to create the |
| * descriptor. In any case, it's a wonder it works on Windows. |
| * |
| * Usage Page (Desktop), ; Generic desktop controls (01h) |
| * Usage (Joystick), ; Joystick (04h, application collection) |
| * Collection (Application), |
| * Collection (Logical), |
| * Report Size (8), |
| * Report Count (5), |
| * Logical Minimum (0), |
| * Logical Maximum (255), |
| * Physical Minimum (0), |
| * Physical Maximum (255), |
| * Usage (X), ; X (30h, dynamic value) |
| * Usage (X), ; X (30h, dynamic value) |
| * Usage (X), ; X (30h, dynamic value) |
| * Usage (X), ; X (30h, dynamic value) |
| * Usage (Y), ; Y (31h, dynamic value) |
| * Input (Variable), |
| * Report Size (4), |
| * Report Count (1), |
| * Logical Maximum (7), |
| * Physical Maximum (315), |
| * Unit (Degrees), |
| * Usage (00h), |
| * Input (Variable, Null State), |
| * Unit, |
| * Report Size (1), |
| * Report Count (10), |
| * Logical Maximum (1), |
| * Physical Maximum (1), |
| * Usage Page (Button), ; Button (09h) |
| * Usage Minimum (01h), |
| * Usage Maximum (0Ah), |
| * Input (Variable), |
| * Usage Page (FF00h), ; FF00h, vendor-defined |
| * Report Size (1), |
| * Report Count (10), |
| * Logical Maximum (1), |
| * Physical Maximum (1), |
| * Usage (01h), |
| * Input (Variable), |
| * End Collection, |
| * Collection (Logical), |
| * Report Size (8), |
| * Report Count (4), |
| * Physical Maximum (255), |
| * Logical Maximum (255), |
| * Usage (02h), |
| * Output (Variable), |
| * End Collection, |
| * End Collection |
| */ |
| |
| /* Size of the original descriptor of the PID 0x0011 joystick */ |
| #define PID0011_RDESC_ORIG_SIZE 101 |
| |
| /* Fixed report descriptor for PID 0x011 joystick */ |
| static __u8 pid0011_rdesc_fixed[] = { |
| 0x05, 0x01, /* Usage Page (Desktop), */ |
| 0x09, 0x04, /* Usage (Joystick), */ |
| 0xA1, 0x01, /* Collection (Application), */ |
| 0xA1, 0x02, /* Collection (Logical), */ |
| 0x14, /* Logical Minimum (0), */ |
| 0x75, 0x08, /* Report Size (8), */ |
| 0x95, 0x03, /* Report Count (3), */ |
| 0x81, 0x01, /* Input (Constant), */ |
| 0x26, 0xFF, 0x00, /* Logical Maximum (255), */ |
| 0x95, 0x02, /* Report Count (2), */ |
| 0x09, 0x30, /* Usage (X), */ |
| 0x09, 0x31, /* Usage (Y), */ |
| 0x81, 0x02, /* Input (Variable), */ |
| 0x75, 0x01, /* Report Size (1), */ |
| 0x95, 0x04, /* Report Count (4), */ |
| 0x81, 0x01, /* Input (Constant), */ |
| 0x25, 0x01, /* Logical Maximum (1), */ |
| 0x95, 0x0A, /* Report Count (10), */ |
| 0x05, 0x09, /* Usage Page (Button), */ |
| 0x19, 0x01, /* Usage Minimum (01h), */ |
| 0x29, 0x0A, /* Usage Maximum (0Ah), */ |
| 0x81, 0x02, /* Input (Variable), */ |
| 0x95, 0x0A, /* Report Count (10), */ |
| 0x81, 0x01, /* Input (Constant), */ |
| 0xC0, /* End Collection, */ |
| 0xC0 /* End Collection */ |
| }; |
| |
| static __u8 pid0006_rdesc_fixed[] = { |
| 0x05, 0x01, /* Usage Page (Generic Desktop) */ |
| 0x09, 0x04, /* Usage (Joystick) */ |
| 0xA1, 0x01, /* Collection (Application) */ |
| 0xA1, 0x02, /* Collection (Logical) */ |
| 0x75, 0x08, /* Report Size (8) */ |
| 0x95, 0x05, /* Report Count (5) */ |
| 0x15, 0x00, /* Logical Minimum (0) */ |
| 0x26, 0xFF, 0x00, /* Logical Maximum (255) */ |
| 0x35, 0x00, /* Physical Minimum (0) */ |
| 0x46, 0xFF, 0x00, /* Physical Maximum (255) */ |
| 0x09, 0x30, /* Usage (X) */ |
| 0x09, 0x33, /* Usage (Ry) */ |
| 0x09, 0x32, /* Usage (Z) */ |
| 0x09, 0x31, /* Usage (Y) */ |
| 0x09, 0x34, /* Usage (Ry) */ |
| 0x81, 0x02, /* Input (Variable) */ |
| 0x75, 0x04, /* Report Size (4) */ |
| 0x95, 0x01, /* Report Count (1) */ |
| 0x25, 0x07, /* Logical Maximum (7) */ |
| 0x46, 0x3B, 0x01, /* Physical Maximum (315) */ |
| 0x65, 0x14, /* Unit (Centimeter) */ |
| 0x09, 0x39, /* Usage (Hat switch) */ |
| 0x81, 0x42, /* Input (Variable) */ |
| 0x65, 0x00, /* Unit (None) */ |
| 0x75, 0x01, /* Report Size (1) */ |
| 0x95, 0x0C, /* Report Count (12) */ |
| 0x25, 0x01, /* Logical Maximum (1) */ |
| 0x45, 0x01, /* Physical Maximum (1) */ |
| 0x05, 0x09, /* Usage Page (Button) */ |
| 0x19, 0x01, /* Usage Minimum (0x01) */ |
| 0x29, 0x0C, /* Usage Maximum (0x0C) */ |
| 0x81, 0x02, /* Input (Variable) */ |
| 0x06, 0x00, 0xFF, /* Usage Page (Vendor Defined) */ |
| 0x75, 0x01, /* Report Size (1) */ |
| 0x95, 0x08, /* Report Count (8) */ |
| 0x25, 0x01, /* Logical Maximum (1) */ |
| 0x45, 0x01, /* Physical Maximum (1) */ |
| 0x09, 0x01, /* Usage (0x01) */ |
| 0x81, 0x02, /* Input (Variable) */ |
| 0xC0, /* End Collection */ |
| 0xA1, 0x02, /* Collection (Logical) */ |
| 0x75, 0x08, /* Report Size (8) */ |
| 0x95, 0x07, /* Report Count (7) */ |
| 0x46, 0xFF, 0x00, /* Physical Maximum (255) */ |
| 0x26, 0xFF, 0x00, /* Logical Maximum (255) */ |
| 0x09, 0x02, /* Usage (0x02) */ |
| 0x91, 0x02, /* Output (Variable) */ |
| 0xC0, /* End Collection */ |
| 0xC0 /* End Collection */ |
| }; |
| |
| static __u8 *dr_report_fixup(struct hid_device *hdev, __u8 *rdesc, |
| unsigned int *rsize) |
| { |
| switch (hdev->product) { |
| case 0x0011: |
| if (*rsize == PID0011_RDESC_ORIG_SIZE) { |
| rdesc = pid0011_rdesc_fixed; |
| *rsize = sizeof(pid0011_rdesc_fixed); |
| } |
| break; |
| case 0x0006: |
| if (*rsize == sizeof(pid0006_rdesc_fixed)) { |
| rdesc = pid0006_rdesc_fixed; |
| *rsize = sizeof(pid0006_rdesc_fixed); |
| } |
| break; |
| } |
| return rdesc; |
| } |
| |
| 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) { |
| hid_err(hdev, "parse failed\n"); |
| goto err; |
| } |
| |
| ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF); |
| if (ret) { |
| hid_err(hdev, "hw start failed\n"); |
| goto err; |
| } |
| |
| switch (hdev->product) { |
| case 0x0006: |
| ret = drff_init(hdev); |
| if (ret) { |
| dev_err(&hdev->dev, "force feedback init failed\n"); |
| hid_hw_stop(hdev); |
| goto err; |
| } |
| break; |
| } |
| |
| return 0; |
| err: |
| return ret; |
| } |
| |
| static const struct hid_device_id dr_devices[] = { |
| { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006), }, |
| { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011), }, |
| { } |
| }; |
| MODULE_DEVICE_TABLE(hid, dr_devices); |
| |
| static struct hid_driver dr_driver = { |
| .name = "dragonrise", |
| .id_table = dr_devices, |
| .report_fixup = dr_report_fixup, |
| .probe = dr_probe, |
| }; |
| module_hid_driver(dr_driver); |
| |
| MODULE_LICENSE("GPL"); |
