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/*
* Copyright (C) 2017, The LineageOS Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define LOG_NDEBUG 0
#define LOG_TAG "CameraWrapper"
#include <cutils/log.h>
#include "CameraWrapper.h"
#include "Camera3Wrapper.h"
static camera_module_t *gVendorModule = 0;
static char prop[PROPERTY_VALUE_MAX];
static int check_vendor_module()
{
int rv = 0;
ALOGV("%s", __FUNCTION__);
if(gVendorModule)
return 0;
rv = hw_get_module_by_class("camera", "vendor", (const hw_module_t **)&gVendorModule);
if (rv)
ALOGE("failed to open vendor camera module");
return rv;
}
static struct hw_module_methods_t camera_module_methods = {
.open = camera_device_open
};
camera_module_t HAL_MODULE_INFO_SYM = {
.common = {
.tag = HARDWARE_MODULE_TAG,
.module_api_version = CAMERA_MODULE_API_VERSION_2_4,
.hal_api_version = HARDWARE_HAL_API_VERSION,
.id = CAMERA_HARDWARE_MODULE_ID,
.name = "LineageOS Camera Wrapper",
.author = "The LineageOS Project",
.methods = &camera_module_methods,
.dso = NULL,
.reserved = {0},
},
.get_number_of_cameras = camera_get_number_of_cameras,
.get_camera_info = camera_get_camera_info,
.set_callbacks = camera_set_callbacks,
.get_vendor_tag_ops = camera_get_vendor_tag_ops,
.open_legacy = NULL,
.set_torch_mode = camera_set_torch_mode,
.init = NULL,
.reserved = {0},
};
static int camera_device_open(const hw_module_t* module, const char* name,
hw_device_t** device)
{
int rv = -EINVAL;
property_get("persist.camera.HAL3.enabled", prop, "1");
int isHAL3Enabled = atoi(prop);
ALOGV("%s: property persist.camera.HAL3.enabled is set to %d", __FUNCTION__, isHAL3Enabled);
if (name != NULL) {
if (check_vendor_module())
return -EINVAL;
if (isHAL3Enabled) {
ALOGV("%s: using HAL3", __FUNCTION__);
rv = camera3_device_open(module, name, device);
} else {
ALOGV("%s: Only HAL3 is supported", __FUNCTION__);
return -EINVAL;
}
}
return rv;
}
static int camera_get_number_of_cameras(void)
{
ALOGV("%s", __FUNCTION__);
if (check_vendor_module())
return 0;
return gVendorModule->get_number_of_cameras();
}
static int camera_get_camera_info(int camera_id, struct camera_info *info)
{
ALOGV("%s", __FUNCTION__);
if (check_vendor_module())
return 0;
return gVendorModule->get_camera_info(camera_id, info);
}
static int camera_set_callbacks(const camera_module_callbacks_t *callbacks)
{
ALOGV("%s", __FUNCTION__);
if (check_vendor_module())
return 0;
return gVendorModule->set_callbacks(callbacks);
}
static void camera_get_vendor_tag_ops(vendor_tag_ops_t* ops)
{
ALOGV("%s", __FUNCTION__);
if (check_vendor_module())
return;
return gVendorModule->get_vendor_tag_ops(ops);
}
static int camera_set_torch_mode(const char* camera_id, bool on)
{
ALOGV("%s", __FUNCTION__);
if (check_vendor_module())
return -EINVAL;
return gVendorModule->set_torch_mode(camera_id, on);
}
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