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.
205 lines
5.2 KiB
205 lines
5.2 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
|
/* |
|
* HID driver for Saitek devices. |
|
* |
|
* PS1000 (USB gamepad): |
|
* Fixes the HID report descriptor by removing a non-existent axis and |
|
* clearing the constant bit on the input reports for buttons and d-pad. |
|
* (This module is based on "hid-ortek".) |
|
* Copyright (c) 2012 Andreas Hübner |
|
* |
|
* R.A.T.7, R.A.T.9, M.M.O.7 (USB gaming mice): |
|
* Fixes the mode button which cycles through three constantly pressed |
|
* buttons. All three press events are mapped to one button and the |
|
* missing release event is generated immediately. |
|
*/ |
|
|
|
/* |
|
*/ |
|
|
|
#include <linux/device.h> |
|
#include <linux/hid.h> |
|
#include <linux/module.h> |
|
#include <linux/kernel.h> |
|
|
|
#include "hid-ids.h" |
|
|
|
#define SAITEK_FIX_PS1000 0x0001 |
|
#define SAITEK_RELEASE_MODE_RAT7 0x0002 |
|
#define SAITEK_RELEASE_MODE_MMO7 0x0004 |
|
|
|
struct saitek_sc { |
|
unsigned long quirks; |
|
int mode; |
|
}; |
|
|
|
static int saitek_probe(struct hid_device *hdev, |
|
const struct hid_device_id *id) |
|
{ |
|
unsigned long quirks = id->driver_data; |
|
struct saitek_sc *ssc; |
|
int ret; |
|
|
|
ssc = devm_kzalloc(&hdev->dev, sizeof(*ssc), GFP_KERNEL); |
|
if (ssc == NULL) { |
|
hid_err(hdev, "can't alloc saitek descriptor\n"); |
|
return -ENOMEM; |
|
} |
|
|
|
ssc->quirks = quirks; |
|
ssc->mode = -1; |
|
|
|
hid_set_drvdata(hdev, ssc); |
|
|
|
ret = hid_parse(hdev); |
|
if (ret) { |
|
hid_err(hdev, "parse failed\n"); |
|
return ret; |
|
} |
|
|
|
ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); |
|
if (ret) { |
|
hid_err(hdev, "hw start failed\n"); |
|
return ret; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static __u8 *saitek_report_fixup(struct hid_device *hdev, __u8 *rdesc, |
|
unsigned int *rsize) |
|
{ |
|
struct saitek_sc *ssc = hid_get_drvdata(hdev); |
|
|
|
if ((ssc->quirks & SAITEK_FIX_PS1000) && *rsize == 137 && |
|
rdesc[20] == 0x09 && rdesc[21] == 0x33 && |
|
rdesc[94] == 0x81 && rdesc[95] == 0x03 && |
|
rdesc[110] == 0x81 && rdesc[111] == 0x03) { |
|
|
|
hid_info(hdev, "Fixing up Saitek PS1000 report descriptor\n"); |
|
|
|
/* convert spurious axis to a "noop" Logical Minimum (0) */ |
|
rdesc[20] = 0x15; |
|
rdesc[21] = 0x00; |
|
|
|
/* clear constant bit on buttons and d-pad */ |
|
rdesc[95] = 0x02; |
|
rdesc[111] = 0x02; |
|
|
|
} |
|
return rdesc; |
|
} |
|
|
|
static int saitek_raw_event(struct hid_device *hdev, |
|
struct hid_report *report, u8 *raw_data, int size) |
|
{ |
|
struct saitek_sc *ssc = hid_get_drvdata(hdev); |
|
|
|
if (ssc->quirks & SAITEK_RELEASE_MODE_RAT7 && size == 7) { |
|
/* R.A.T.7 uses bits 13, 14, 15 for the mode */ |
|
int mode = -1; |
|
if (raw_data[1] & 0x01) |
|
mode = 0; |
|
else if (raw_data[1] & 0x02) |
|
mode = 1; |
|
else if (raw_data[1] & 0x04) |
|
mode = 2; |
|
|
|
/* clear mode bits */ |
|
raw_data[1] &= ~0x07; |
|
|
|
if (mode != ssc->mode) { |
|
hid_dbg(hdev, "entered mode %d\n", mode); |
|
if (ssc->mode != -1) { |
|
/* use bit 13 as the mode button */ |
|
raw_data[1] |= 0x04; |
|
} |
|
ssc->mode = mode; |
|
} |
|
} else if (ssc->quirks & SAITEK_RELEASE_MODE_MMO7 && size == 8) { |
|
|
|
/* M.M.O.7 uses bits 8, 22, 23 for the mode */ |
|
int mode = -1; |
|
if (raw_data[1] & 0x80) |
|
mode = 0; |
|
else if (raw_data[2] & 0x01) |
|
mode = 1; |
|
else if (raw_data[2] & 0x02) |
|
mode = 2; |
|
|
|
/* clear mode bits */ |
|
raw_data[1] &= ~0x80; |
|
raw_data[2] &= ~0x03; |
|
|
|
if (mode != ssc->mode) { |
|
hid_dbg(hdev, "entered mode %d\n", mode); |
|
if (ssc->mode != -1) { |
|
/* use bit 8 as the mode button, bits 22 |
|
* and 23 do not represent buttons |
|
* according to the HID report descriptor |
|
*/ |
|
raw_data[1] |= 0x80; |
|
} |
|
ssc->mode = mode; |
|
} |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static int saitek_event(struct hid_device *hdev, struct hid_field *field, |
|
struct hid_usage *usage, __s32 value) |
|
{ |
|
struct saitek_sc *ssc = hid_get_drvdata(hdev); |
|
struct input_dev *input = field->hidinput->input; |
|
|
|
if (usage->type == EV_KEY && value && |
|
(((ssc->quirks & SAITEK_RELEASE_MODE_RAT7) && |
|
usage->code - BTN_MOUSE == 10) || |
|
((ssc->quirks & SAITEK_RELEASE_MODE_MMO7) && |
|
usage->code - BTN_MOUSE == 15))) { |
|
|
|
input_report_key(input, usage->code, 1); |
|
|
|
/* report missing release event */ |
|
input_report_key(input, usage->code, 0); |
|
|
|
return 1; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static const struct hid_device_id saitek_devices[] = { |
|
{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000), |
|
.driver_data = SAITEK_FIX_PS1000 }, |
|
{ HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_RAT5), |
|
.driver_data = SAITEK_RELEASE_MODE_RAT7 }, |
|
{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7_OLD), |
|
.driver_data = SAITEK_RELEASE_MODE_RAT7 }, |
|
{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7), |
|
.driver_data = SAITEK_RELEASE_MODE_RAT7 }, |
|
{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7_CONTAGION), |
|
.driver_data = SAITEK_RELEASE_MODE_RAT7 }, |
|
{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT9), |
|
.driver_data = SAITEK_RELEASE_MODE_RAT7 }, |
|
{ HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_RAT9), |
|
.driver_data = SAITEK_RELEASE_MODE_RAT7 }, |
|
{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_MMO7), |
|
.driver_data = SAITEK_RELEASE_MODE_MMO7 }, |
|
{ } |
|
}; |
|
|
|
MODULE_DEVICE_TABLE(hid, saitek_devices); |
|
|
|
static struct hid_driver saitek_driver = { |
|
.name = "saitek", |
|
.id_table = saitek_devices, |
|
.probe = saitek_probe, |
|
.report_fixup = saitek_report_fixup, |
|
.raw_event = saitek_raw_event, |
|
.event = saitek_event, |
|
}; |
|
module_hid_driver(saitek_driver); |
|
|
|
MODULE_LICENSE("GPL");
|
|
|