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.
152 lines
4.2 KiB
152 lines
4.2 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
|
/* |
|
* HID driver for some chicony "special" devices |
|
* |
|
* Copyright (c) 1999 Andreas Gal |
|
* Copyright (c) 2000-2005 Vojtech Pavlik <[email protected]> |
|
* Copyright (c) 2005 Michael Haboustak <[email protected]> for Concept2, Inc |
|
* Copyright (c) 2006-2007 Jiri Kosina |
|
* Copyright (c) 2007 Paul Walmsley |
|
* Copyright (c) 2008 Jiri Slaby |
|
*/ |
|
|
|
/* |
|
*/ |
|
|
|
#include <linux/device.h> |
|
#include <linux/input.h> |
|
#include <linux/hid.h> |
|
#include <linux/module.h> |
|
#include <linux/usb.h> |
|
|
|
#include "hid-ids.h" |
|
|
|
#define CH_WIRELESS_CTL_REPORT_ID 0x11 |
|
|
|
static int ch_report_wireless(struct hid_report *report, u8 *data, int size) |
|
{ |
|
struct hid_device *hdev = report->device; |
|
struct input_dev *input; |
|
|
|
if (report->id != CH_WIRELESS_CTL_REPORT_ID || report->maxfield != 1) |
|
return 0; |
|
|
|
input = report->field[0]->hidinput->input; |
|
if (!input) { |
|
hid_warn(hdev, "can't find wireless radio control's input"); |
|
return 0; |
|
} |
|
|
|
input_report_key(input, KEY_RFKILL, 1); |
|
input_sync(input); |
|
input_report_key(input, KEY_RFKILL, 0); |
|
input_sync(input); |
|
|
|
return 1; |
|
} |
|
|
|
static int ch_raw_event(struct hid_device *hdev, |
|
struct hid_report *report, u8 *data, int size) |
|
{ |
|
if (report->application == HID_GD_WIRELESS_RADIO_CTLS) |
|
return ch_report_wireless(report, data, size); |
|
|
|
return 0; |
|
} |
|
|
|
#define ch_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ |
|
EV_KEY, (c)) |
|
static int ch_input_mapping(struct hid_device *hdev, struct hid_input *hi, |
|
struct hid_field *field, struct hid_usage *usage, |
|
unsigned long **bit, int *max) |
|
{ |
|
if ((usage->hid & HID_USAGE_PAGE) != HID_UP_MSVENDOR) |
|
return 0; |
|
|
|
set_bit(EV_REP, hi->input->evbit); |
|
switch (usage->hid & HID_USAGE) { |
|
case 0xff01: ch_map_key_clear(BTN_1); break; |
|
case 0xff02: ch_map_key_clear(BTN_2); break; |
|
case 0xff03: ch_map_key_clear(BTN_3); break; |
|
case 0xff04: ch_map_key_clear(BTN_4); break; |
|
case 0xff05: ch_map_key_clear(BTN_5); break; |
|
case 0xff06: ch_map_key_clear(BTN_6); break; |
|
case 0xff07: ch_map_key_clear(BTN_7); break; |
|
case 0xff08: ch_map_key_clear(BTN_8); break; |
|
case 0xff09: ch_map_key_clear(BTN_9); break; |
|
case 0xff0a: ch_map_key_clear(BTN_A); break; |
|
case 0xff0b: ch_map_key_clear(BTN_B); break; |
|
case 0x00f1: ch_map_key_clear(KEY_WLAN); break; |
|
case 0x00f2: ch_map_key_clear(KEY_BRIGHTNESSDOWN); break; |
|
case 0x00f3: ch_map_key_clear(KEY_BRIGHTNESSUP); break; |
|
case 0x00f4: ch_map_key_clear(KEY_DISPLAY_OFF); break; |
|
case 0x00f7: ch_map_key_clear(KEY_CAMERA); break; |
|
case 0x00f8: ch_map_key_clear(KEY_PROG1); break; |
|
default: |
|
return 0; |
|
} |
|
return 1; |
|
} |
|
|
|
static __u8 *ch_switch12_report_fixup(struct hid_device *hdev, __u8 *rdesc, |
|
unsigned int *rsize) |
|
{ |
|
struct usb_interface *intf = to_usb_interface(hdev->dev.parent); |
|
|
|
if (intf->cur_altsetting->desc.bInterfaceNumber == 1) { |
|
/* Change usage maximum and logical maximum from 0x7fff to |
|
* 0x2fff, so they don't exceed HID_MAX_USAGES */ |
|
switch (hdev->product) { |
|
case USB_DEVICE_ID_CHICONY_ACER_SWITCH12: |
|
if (*rsize >= 128 && rdesc[64] == 0xff && rdesc[65] == 0x7f |
|
&& rdesc[69] == 0xff && rdesc[70] == 0x7f) { |
|
hid_info(hdev, "Fixing up report descriptor\n"); |
|
rdesc[65] = rdesc[70] = 0x2f; |
|
} |
|
break; |
|
} |
|
|
|
} |
|
return rdesc; |
|
} |
|
|
|
static int ch_probe(struct hid_device *hdev, const struct hid_device_id *id) |
|
{ |
|
int ret; |
|
|
|
hdev->quirks |= HID_QUIRK_INPUT_PER_APP; |
|
ret = hid_parse(hdev); |
|
if (ret) { |
|
hid_err(hdev, "Chicony hid parse failed: %d\n", ret); |
|
return ret; |
|
} |
|
|
|
ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); |
|
if (ret) { |
|
hid_err(hdev, "Chicony hw start failed: %d\n", ret); |
|
return ret; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static const struct hid_device_id ch_devices[] = { |
|
{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) }, |
|
{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) }, |
|
{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS3) }, |
|
{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_ACER_SWITCH12) }, |
|
{ } |
|
}; |
|
MODULE_DEVICE_TABLE(hid, ch_devices); |
|
|
|
static struct hid_driver ch_driver = { |
|
.name = "chicony", |
|
.id_table = ch_devices, |
|
.report_fixup = ch_switch12_report_fixup, |
|
.input_mapping = ch_input_mapping, |
|
.probe = ch_probe, |
|
.raw_event = ch_raw_event, |
|
}; |
|
module_hid_driver(ch_driver); |
|
|
|
MODULE_LICENSE("GPL");
|
|
|