forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
319 lines
9.1 KiB
319 lines
9.1 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
|
/* |
|
* 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 <[email protected]> |
|
*/ |
|
|
|
/* |
|
*/ |
|
|
|
#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; |
|
struct list_head *report_list = |
|
&hid->report_enum[HID_OUTPUT_REPORT].report_list; |
|
struct input_dev *dev; |
|
int error; |
|
|
|
if (list_empty(&hid->inputs)) { |
|
hid_err(hid, "no inputs found\n"); |
|
return -ENODEV; |
|
} |
|
hidinput = list_first_entry(&hid->inputs, struct hid_input, list); |
|
dev = hidinput->input; |
|
|
|
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 <[email protected]>\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 *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; |
|
} |
|
return rdesc; |
|
} |
|
|
|
#define map_abs(c) hid_map_usage(hi, usage, bit, max, EV_ABS, (c)) |
|
#define map_rel(c) hid_map_usage(hi, usage, bit, max, EV_REL, (c)) |
|
|
|
static int dr_input_mapping(struct hid_device *hdev, struct hid_input *hi, |
|
struct hid_field *field, struct hid_usage *usage, |
|
unsigned long **bit, int *max) |
|
{ |
|
switch (usage->hid) { |
|
/* |
|
* revert to the old hid-input behavior where axes |
|
* can be randomly assigned when hid->usage is reused. |
|
*/ |
|
case HID_GD_X: case HID_GD_Y: case HID_GD_Z: |
|
case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ: |
|
if (field->flags & HID_MAIN_ITEM_RELATIVE) |
|
map_rel(usage->hid & 0xf); |
|
else |
|
map_abs(usage->hid & 0xf); |
|
return 1; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
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, |
|
.input_mapping = dr_input_mapping, |
|
}; |
|
module_hid_driver(dr_driver); |
|
|
|
MODULE_LICENSE("GPL");
|
|
|