128 lines
3.2 KiB
C++
128 lines
3.2 KiB
C++
/*
|
|
* Copyright (C) 2022-2024 The LineageOS Project
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
#define LOG_TAG "UdfpsHandler.xiaomi_sm6150"
|
|
|
|
#include "UdfpsHandler.h"
|
|
|
|
#include <android-base/logging.h>
|
|
#include <android-base/unique_fd.h>
|
|
#include <fcntl.h>
|
|
#include <poll.h>
|
|
#include <unistd.h>
|
|
#include <thread>
|
|
|
|
// Fingerprint hwmodule commands
|
|
#define COMMAND_NIT 10
|
|
#define PARAM_NIT_UDFPS 1
|
|
#define PARAM_NIT_NONE 0
|
|
|
|
// Touchfeature
|
|
#define TOUCH_DEV_PATH "/dev/xiaomi-touch"
|
|
#define TOUCH_UDFPS_ENABLE 10
|
|
#define TOUCH_MAGIC 0x5400
|
|
#define TOUCH_IOC_SETMODE TOUCH_MAGIC + 0
|
|
#define UDFPS_STATUS_ON 1
|
|
#define UDFPS_STATUS_OFF -1
|
|
|
|
#define FOD_UI_PATH "/sys/devices/platform/soc/soc:qcom,dsi-display/fod_ui"
|
|
|
|
static bool readBool(int fd) {
|
|
char c;
|
|
int rc;
|
|
|
|
rc = lseek(fd, 0, SEEK_SET);
|
|
if (rc) {
|
|
LOG(ERROR) << "failed to seek fd, err: " << rc;
|
|
return false;
|
|
}
|
|
|
|
rc = read(fd, &c, sizeof(char));
|
|
if (rc != 1) {
|
|
LOG(ERROR) << "failed to read bool from fd, err: " << rc;
|
|
return false;
|
|
}
|
|
|
|
return c != '0';
|
|
}
|
|
|
|
class XiaomiUdfpsHandler : public UdfpsHandler {
|
|
public:
|
|
void init(fingerprint_device_t* device) {
|
|
mDevice = device;
|
|
touch_fd_ = android::base::unique_fd(open(TOUCH_DEV_PATH, O_RDWR));
|
|
|
|
std::thread([this]() {
|
|
int fd = open(FOD_UI_PATH, O_RDONLY);
|
|
if (fd < 0) {
|
|
LOG(ERROR) << "failed to open fd, err: " << fd;
|
|
return;
|
|
}
|
|
|
|
struct pollfd fodUiPoll = {
|
|
.fd = fd,
|
|
.events = POLLERR | POLLPRI,
|
|
.revents = 0,
|
|
};
|
|
|
|
while (true) {
|
|
int rc = poll(&fodUiPoll, 1, -1);
|
|
if (rc < 0) {
|
|
LOG(ERROR) << "failed to poll fd, err: " << rc;
|
|
continue;
|
|
}
|
|
|
|
mDevice->extCmd(mDevice, COMMAND_NIT,
|
|
readBool(fd) ? PARAM_NIT_UDFPS : PARAM_NIT_NONE);
|
|
}
|
|
}).detach();
|
|
}
|
|
|
|
void onFingerDown(uint32_t /*x*/, uint32_t /*y*/, float /*minor*/, float /*major*/) {
|
|
// nothing
|
|
}
|
|
|
|
void onFingerUp() {
|
|
// nothing
|
|
}
|
|
|
|
void onAcquired(int32_t result, int32_t vendorCode) {
|
|
if (result == FINGERPRINT_ACQUIRED_GOOD) {
|
|
int arg[2] = {TOUCH_UDFPS_ENABLE, UDFPS_STATUS_OFF};
|
|
ioctl(touch_fd_.get(), TOUCH_IOC_SETMODE, &arg);
|
|
} else if (vendorCode == 21 || vendorCode == 23) {
|
|
/*
|
|
* vendorCode = 21 waiting for fingerprint authentication
|
|
* vendorCode = 23 waiting for fingerprint enroll
|
|
*/
|
|
int arg[2] = {TOUCH_UDFPS_ENABLE, UDFPS_STATUS_ON};
|
|
ioctl(touch_fd_.get(), TOUCH_IOC_SETMODE, &arg);
|
|
}
|
|
}
|
|
|
|
void cancel() {
|
|
int arg[2] = {TOUCH_UDFPS_ENABLE, UDFPS_STATUS_OFF};
|
|
ioctl(touch_fd_.get(), TOUCH_IOC_SETMODE, &arg);
|
|
}
|
|
|
|
private:
|
|
fingerprint_device_t* mDevice;
|
|
android::base::unique_fd touch_fd_;
|
|
};
|
|
|
|
static UdfpsHandler* create() {
|
|
return new XiaomiUdfpsHandler();
|
|
}
|
|
|
|
static void destroy(UdfpsHandler* handler) {
|
|
delete handler;
|
|
}
|
|
|
|
extern "C" UdfpsHandlerFactory UDFPS_HANDLER_FACTORY = {
|
|
.create = create,
|
|
.destroy = destroy,
|
|
};
|