blob: d4b2b8410cacedce74950ea5d4f3705d292c3bfb [file] [log] [blame]
/*
* Copyright (C) 2014, Samsung Electronics Co. LTD
*
* 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 "ExynosCamera3Interface"
#include <cutils/log.h>
#include "ExynosCamera3Interface.h"
#include "ExynosCameraAutoTimer.h"
#ifdef SAMSUNG_TN_FEATURE
#include "SecCameraVendorTags.h"
#endif
namespace android {
/* Convert Id to the one for HAL. Refer to the enum CAMERA_ID in ExynosCameraSensorInfoBase.h */
static int HAL_getCameraId(int id)
{
int cameraId = id;
switch (cameraId) {
case 3:
cameraId = CAMERA_ID_SECURE;
break;
default:
break;
}
return cameraId;
}
static int HAL3_camera_device_open(const struct hw_module_t* module,
const char *id,
struct hw_device_t** device)
{
ExynosCameraAutoTimer autoTimer(__FUNCTION__);
int cameraId = atoi(id);
enum CAMERA_STATE state;
FILE *fp = NULL;
int ret = 0;
CameraMetadata metadata;
camera_metadata_entry flashAvailable;
bool hasFlash = false;
char flashFilePath[100] = {'\0',};
cameraId = HAL_getCameraId(cameraId);
/* Validation check */
ALOGI("INFO(%s[%d]):camera(%d) in ======", __FUNCTION__, __LINE__, cameraId);
if (cameraId < 0 || cameraId >= HAL_getNumberOfCameras()) {
if (cameraId < CAMERA_ID_HIDDEN_START || cameraId >= CAMERA_ID_HIDDEN_START + HAL_getNumberOfHiddenCameras()) {
ALOGE("ERR(%s[%d]):Invalid camera ID %d", __FUNCTION__, __LINE__, cameraId);
return -EINVAL;
}
}
/* Check init thread state */
if (g_thread) {
ret = pthread_join(g_thread, NULL);
if (ret != 0) {
ALOGE("ERR(%s[%d]):pthread_join failed with error code %d", __FUNCTION__, __LINE__, ret);
}
g_thread = 0;
}
/* Setting status and check current status */
state = CAMERA_OPENED;
if (check_camera_state(state, cameraId) == false) {
ALOGE("ERR(%s[%d]):camera(%d) state(%d) is INVALID", __FUNCTION__, __LINE__, cameraId, state);
return -EUSERS;
}
/* Create camera device */
if (g_cam_device3[cameraId]) {
ALOGE("ERR(%s[%d]):returning existing camera ID(%d)", __FUNCTION__, __LINE__, cameraId);
*device = (hw_device_t *)g_cam_device3[cameraId];
goto done;
}
g_cam_device3[cameraId] = (camera3_device_t *)malloc(sizeof(camera3_device_t));
if (!g_cam_device3[cameraId])
return -ENOMEM;
g_cam_openLock[cameraId].lock();
g_cam_device3[cameraId]->common.tag = HARDWARE_DEVICE_TAG;
g_cam_device3[cameraId]->common.version = CAMERA_DEVICE_API_VERSION_3_3;
g_cam_device3[cameraId]->common.module = const_cast<hw_module_t *>(module);
g_cam_device3[cameraId]->common.close = HAL3_camera_device_close;
g_cam_device3[cameraId]->ops = &camera_device3_ops;
ALOGV("DEBUG(%s[%d]):open camera(%d)", __FUNCTION__, __LINE__, cameraId);
g_cam_device3[cameraId]->priv = new ExynosCamera3(cameraId, &g_cam_info[cameraId]);
*device = (hw_device_t *)g_cam_device3[cameraId];
ALOGI("INFO(%s[%d]):camera(%d) out from new g_cam_device3[%d]->priv()",
__FUNCTION__, __LINE__, cameraId, cameraId);
g_cam_openLock[cameraId].unlock();
done:
cam_stateLock[cameraId].lock();
cam_state[cameraId] = state;
cam_stateLock[cameraId].unlock();
if (g_cam_info[cameraId]) {
metadata = g_cam_info[cameraId];
flashAvailable = metadata.find(ANDROID_FLASH_INFO_AVAILABLE);
ALOGV("INFO(%s[%d]): cameraId(%d), flashAvailable.count(%d), flashAvailable.data.u8[0](%d)",
__FUNCTION__, cameraId, flashAvailable.count, flashAvailable.data.u8[0]);
if (flashAvailable.count == 1 && flashAvailable.data.u8[0] == 1) {
hasFlash = true;
} else {
hasFlash = false;
}
}
/* Turn off torch and update torch status */
if(hasFlash && g_cam_torchEnabled[cameraId]) {
if (cameraId == CAMERA_ID_BACK) {
snprintf(flashFilePath, sizeof(flashFilePath), TORCH_REAR_FILE_PATH);
} else {
snprintf(flashFilePath, sizeof(flashFilePath), TORCH_FRONT_FILE_PATH);
}
fp = fopen(flashFilePath, "w+");
if (fp == NULL) {
ALOGE("ERR(%s[%d]):torch file open fail, ret(%d)", __FUNCTION__, __LINE__, fp);
} else {
fwrite("0", sizeof(char), 1, fp);
fflush(fp);
fclose(fp);
g_cam_torchEnabled[cameraId] = false;
}
}
g_callbacks->torch_mode_status_change(g_callbacks, id, TORCH_MODE_STATUS_NOT_AVAILABLE);
ALOGI("INFO(%s[%d]):camera(%d) out =====", __FUNCTION__, __LINE__, cameraId);
return 0;
}
static int HAL3_camera_device_close(struct hw_device_t* device)
{
ExynosCameraAutoTimer autoTimer(__FUNCTION__);
uint32_t cameraId;
int ret = OK;
enum CAMERA_STATE state;
char camid[10];
ALOGI("INFO(%s[%d]):in =====", __FUNCTION__, __LINE__);
if (device) {
camera3_device_t *cam_device = (camera3_device_t *)device;
cameraId = obj(cam_device)->getCameraId();
ALOGV("DEBUG(%s[%d]):close camera(%d)", __FUNCTION__, __LINE__, cameraId);
ret = obj(cam_device)->releaseDevice();
if (ret) {
ALOGE("ERR(%s[%d]):initialize error!!", __FUNCTION__, __LINE__);
ret = BAD_VALUE;
}
state = CAMERA_CLOSED;
if (check_camera_state(state, cameraId) == false) {
ALOGE("ERR(%s[%d]):camera(%d) state(%d) is INVALID",
__FUNCTION__, __LINE__, cameraId, state);
return -1;
}
g_cam_openLock[cameraId].lock();
ALOGV("INFO(%s[%d]):camera(%d) open locked..", __FUNCTION__, __LINE__, cameraId);
g_cam_device3[cameraId] = NULL;
g_cam_openLock[cameraId].unlock();
ALOGV("INFO(%s[%d]):camera(%d) open unlocked..", __FUNCTION__, __LINE__, cameraId);
delete static_cast<ExynosCamera3 *>(cam_device->priv);
free(cam_device);
cam_stateLock[cameraId].lock();
cam_state[cameraId] = state;
cam_stateLock[cameraId].unlock();
ALOGI("INFO(%s[%d]):close camera(%d)", __FUNCTION__, __LINE__, cameraId);
}
/* Update torch status */
g_cam_torchEnabled[cameraId] = false;
snprintf(camid, sizeof(camid), "%d\n", cameraId);
g_callbacks->torch_mode_status_change(g_callbacks, camid,
TORCH_MODE_STATUS_AVAILABLE_OFF);
ALOGI("INFO(%s[%d]):out =====", __FUNCTION__, __LINE__);
return ret;
}
static int HAL3_camera_device_initialize(const struct camera3_device *dev,
const camera3_callback_ops_t *callback_ops)
{
ExynosCameraAutoTimer autoTimer(__FUNCTION__);
int ret = OK;
uint32_t cameraId = obj(dev)->getCameraId();
ALOGI("INFO(%s[%d]):in =====", __FUNCTION__, __LINE__);
g_cam_configLock[cameraId].lock();
ALOGE("INFO(%s[%d]): dual cam_state[0](%d)", __FUNCTION__, __LINE__, cam_state[0]);
#ifdef DUAL_CAMERA_SUPPORTED
if (cameraId != 0 && g_cam_device3[0] != NULL
&& cam_state[0] != CAMERA_NONE && cam_state[0] != CAMERA_CLOSED) {
ret = obj(dev)->setDualMode(true);
if (ret != NO_ERROR) {
ALOGE("ERR(%s[%d]):camera(%d) set dual mode fail, ret(%d)",
__FUNCTION__, __LINE__, cameraId, ret);
} else {
ALOGI("INFO(%s[%d]):camera(%d) set dual mode)",
__FUNCTION__, __LINE__, cameraId);
}
}
#endif
ret = obj(dev)->initilizeDevice(callback_ops);
if (ret) {
ALOGE("ERR(%s[%d]):initialize error!!", __FUNCTION__, __LINE__);
ret = BAD_VALUE;
}
g_cam_configLock[cameraId].unlock();
ALOGV("DEBUG(%s):set callback ops - %p", __FUNCTION__, callback_ops);
ALOGI("INFO(%s[%d]):out =====", __FUNCTION__, __LINE__);
return ret;
}
static int HAL3_camera_device_configure_streams(const struct camera3_device *dev,
camera3_stream_configuration_t *stream_list)
{
ExynosCameraAutoTimer autoTimer(__FUNCTION__);
int ret = OK;
uint32_t cameraId = obj(dev)->getCameraId();
ALOGI("INFO(%s[%d]):in =====", __FUNCTION__, __LINE__);
g_cam_configLock[cameraId].lock();
ret = obj(dev)->configureStreams(stream_list);
if (ret) {
ALOGE("ERR(%s[%d]):configure_streams error!!", __FUNCTION__, __LINE__);
ret = BAD_VALUE;
}
g_cam_configLock[cameraId].unlock();
ALOGI("INFO(%s[%d]):out =====", __FUNCTION__, __LINE__);
return ret;
}
static int HAL3_camera_device_register_stream_buffers(const struct camera3_device *dev,
const camera3_stream_buffer_set_t *buffer_set)
{
ExynosCameraAutoTimer autoTimer(__FUNCTION__);
int ret = OK;
uint32_t cameraId = obj(dev)->getCameraId();
ALOGI("INFO(%s[%d]):in =====", __FUNCTION__, __LINE__);
g_cam_configLock[cameraId].lock();
ret = obj(dev)->registerStreamBuffers(buffer_set);
if (ret) {
ALOGE("ERR(%s[%d]):register_stream_buffers error!!", __FUNCTION__, __LINE__);
ret = BAD_VALUE;
}
g_cam_configLock[cameraId].unlock();
ALOGI("INFO(%s[%d]):out =====", __FUNCTION__, __LINE__);
return ret;
}
static const camera_metadata_t* HAL3_camera_device_construct_default_request_settings(
const struct camera3_device *dev,
int type)
{
ExynosCameraAutoTimer autoTimer(__FUNCTION__);
camera_metadata_t *request = NULL;
status_t res;
uint32_t cameraId = obj(dev)->getCameraId();
ALOGI("INFO(%s[%d]):in =====", __FUNCTION__, __LINE__);
g_cam_configLock[cameraId].lock();
res = obj(dev)->construct_default_request_settings(&request, type);
if (res) {
ALOGE("ERR(%s[%d]):constructDefaultRequestSettings error!!", __FUNCTION__, __LINE__);
g_cam_configLock[cameraId].unlock();
return NULL;
}
g_cam_configLock[cameraId].unlock();
ALOGI("INFO(%s[%d]):out =====", __FUNCTION__, __LINE__);
return request;
}
static int HAL3_camera_device_process_capture_request(const struct camera3_device *dev,
camera3_capture_request_t *request)
{
/* ExynosCameraAutoTimer autoTimer(__FUNCTION__); */
int ret = OK;
uint32_t cameraId = obj(dev)->getCameraId();
ALOGV("INFO(%s[%d]):in =====", __FUNCTION__, __LINE__);
g_cam_configLock[cameraId].lock();
ret = obj(dev)->processCaptureRequest(request);
if (ret) {
ALOGE("ERR(%s[%d]):process_capture_request error(%d)!!", __FUNCTION__, __LINE__, ret);
ret = BAD_VALUE;
}
g_cam_configLock[cameraId].unlock();
ALOGV("INFO(%s[%d]):out =====", __FUNCTION__, __LINE__);
return ret;
}
static int HAL3_camera_device_flush(const struct camera3_device *dev)
{
ExynosCameraAutoTimer autoTimer(__FUNCTION__);
int ret = 0;
uint32_t cameraId = obj(dev)->getCameraId();
ALOGI("INFO(%s[%d]):in =====", __FUNCTION__, __LINE__);
g_cam_configLock[cameraId].lock();
ret = obj(dev)->flush();
if (ret) {
ALOGE("ERR(%s[%d]):flush error(%d)!!", __FUNCTION__, __LINE__, ret);
ret = BAD_VALUE;
}
g_cam_configLock[cameraId].unlock();
ALOGI("INFO(%s[%d]):out =====", __FUNCTION__, __LINE__);
return ret;
}
static void HAL3_camera_device_get_metadata_vendor_tag_ops(const struct camera3_device *dev,
vendor_tag_query_ops_t* ops)
{
ExynosCameraAutoTimer autoTimer(__FUNCTION__);
ALOGI("INFO(%s[%d]):in =====", __FUNCTION__, __LINE__);
if (dev == NULL)
ALOGE("ERR(%s[%d]):dev is NULL", __FUNCTION__, __LINE__);
if (ops == NULL)
ALOGE("ERR(%s[%d]):ops is NULL", __FUNCTION__, __LINE__);
ALOGI("INFO(%s[%d]):out =====", __FUNCTION__, __LINE__);
}
static void HAL3_camera_device_dump(const struct camera3_device *dev, int fd)
{
ExynosCameraAutoTimer autoTimer(__FUNCTION__);
ALOGI("INFO(%s[%d]):in =====", __FUNCTION__, __LINE__);
if (dev == NULL)
ALOGE("ERR(%s[%d]):dev is NULL", __FUNCTION__, __LINE__);
if (fd < 0)
ALOGE("ERR(%s[%d]):fd is Negative Value", __FUNCTION__, __LINE__);
ALOGI("INFO(%s[%d]):out =====", __FUNCTION__, __LINE__);
}
/***************************************************************************
* FUNCTION : get_camera_info
*
* DESCRIPTION: static function to query the numner of cameras
*
* PARAMETERS : none
*
* RETURN : the number of cameras pre-defined
***************************************************************************/
static int HAL_getNumberOfCameras()
{
/* ExynosCameraAutoTimer autoTimer(__FUNCTION__); */
int getNumOfCamera = sizeof(sCameraInfo) / sizeof(sCameraInfo[0]);
ALOGV("DEBUG(%s[%d]):Number of cameras(%d)", __FUNCTION__, __LINE__, getNumOfCamera);
return getNumOfCamera;
}
static int HAL_getNumberOfHiddenCameras()
{
/* ExynosCameraAutoTimer autoTimer(__FUNCTION__); */
int getNumOfHiddenCamera = sizeof(sCameraHiddenInfo) / sizeof(sCameraHiddenInfo[0]);
ALOGV("DEBUG(%s[%d]):Number of Hidden Camera(%d)", __FUNCTION__, __LINE__, getNumOfHiddenCamera);
return getNumOfHiddenCamera;
}
static int HAL_getCameraInfo(int camera_id, struct camera_info *info)
{
/* ExynosCameraAutoTimer autoTimer(__FUNCTION__); */
status_t ret = NO_ERROR;
int cameraId = HAL_getCameraId(camera_id);
ALOGI("INFO(%s[%d]):in =====", __FUNCTION__, __LINE__);
if (cameraId < 0 || cameraId >= HAL_getNumberOfCameras()) {
if (cameraId < CAMERA_ID_HIDDEN_START || cameraId >= CAMERA_ID_HIDDEN_START + HAL_getNumberOfHiddenCameras()) {
ALOGE("ERR(%s[%d]):Invalid camera ID %d", __FUNCTION__, __LINE__, cameraId);
return -ENODEV;
}
}
/* set facing and orientation */
if (cameraId >= CAMERA_ID_HIDDEN_START)
memcpy(info, &sCameraHiddenInfo[cameraId - CAMERA_ID_HIDDEN_START], sizeof(CameraInfo));
else
memcpy(info, &sCameraInfo[cameraId], sizeof(CameraInfo));
/* set device API version */
info->device_version = CAMERA_DEVICE_API_VERSION_3_3;
/* set camera_metadata_t if needed */
if (info->device_version >= HARDWARE_DEVICE_API_VERSION(2, 0)) {
if (g_cam_info[cameraId] == NULL) {
ALOGV("DEBUG(%s[%d]):Return static information (%d)", __FUNCTION__, __LINE__, cameraId);
ret = ExynosCamera3MetadataConverter::constructStaticInfo(cameraId, &g_cam_info[cameraId]);
if (ret != 0) {
ALOGE("ERR(%s[%d]): static information is NULL", __FUNCTION__, __LINE__);
return -EINVAL;
}
info->static_camera_characteristics = g_cam_info[cameraId];
} else {
ALOGV("DEBUG(%s[%d]):Reuse Return static information (%d)", __FUNCTION__, __LINE__, cameraId);
info->static_camera_characteristics = g_cam_info[cameraId];
}
}
/* set service arbitration (resource_cost, conflicting_devices, conflicting_devices_length */
info->resource_cost = sCameraConfigInfo[cameraId].resource_cost;
info->conflicting_devices = sCameraConfigInfo[cameraId].conflicting_devices;
info->conflicting_devices_length = sCameraConfigInfo[cameraId].conflicting_devices_length;
ALOGV("INFO(%s info->resource_cost = %d ", __FUNCTION__, info->resource_cost);
if (info->conflicting_devices_length) {
for (size_t i = 0; i < info->conflicting_devices_length; i++) {
ALOGV("INFO(%s info->conflicting_devices = %s ", __FUNCTION__, info->conflicting_devices[i]);
}
} else {
ALOGV("INFO(%s info->conflicting_devices_length is zero ", __FUNCTION__);
}
return NO_ERROR;
}
static int HAL_set_callbacks(const camera_module_callbacks_t *callbacks)
{
ExynosCameraAutoTimer autoTimer(__FUNCTION__);
if (callbacks == NULL)
ALOGE("ERR(%s[%d]):dev is NULL", __FUNCTION__, __LINE__);
g_callbacks = callbacks;
return OK;
}
static int HAL_open_legacy(const struct hw_module_t* module, const char* id,
uint32_t halVersion, struct hw_device_t** device)
{
ExynosCameraAutoTimer autoTimer(__FUNCTION__);
int ret = 0;
ALOGI("INFO(%s[%d]):in =====", __FUNCTION__, __LINE__);
if (module == NULL) {
ALOGE("ERR(%s[%d]):module is NULL", __FUNCTION__, __LINE__);
ret = -EINVAL;
}
if (id == NULL) {
ALOGE("ERR(%s[%d]):id is NULL", __FUNCTION__, __LINE__);
ret = -EINVAL;
}
if (device == NULL) {
ALOGE("ERR(%s[%d]):device is NULL", __FUNCTION__, __LINE__);
ret = -EINVAL;
}
if (halVersion == 0)
ALOGE("ERR(%s[%d]):halVersion is Zero", __FUNCTION__, __LINE__);
#ifdef USE_ONE_INTERFACE_FILE
if (!ret)
return HAL_camera_device_open(module, id, device);
else
return ret;
#else
return NO_ERROR;
#endif
}
static int HAL_set_torch_mode(const char* camera_id, bool enabled)
{
ExynosCameraAutoTimer autoTimer(__FUNCTION__);
int cameraId = atoi(camera_id);
FILE *fp = NULL;
CameraMetadata metadata;
camera_metadata_entry flashAvailable;
int ret = 0;
char flashFilePath[100] = {'\0',};
cameraId = HAL_getCameraId(cameraId);
ALOGI("INFO(%s[%d]):in =====", __FUNCTION__, __LINE__);
if (cameraId < 0 || cameraId >= HAL_getNumberOfCameras()) {
if (cameraId < CAMERA_ID_HIDDEN_START || cameraId >= CAMERA_ID_HIDDEN_START + HAL_getNumberOfHiddenCameras()) {
ALOGE("ERR(%s[%d]):Invalid camera ID %d", __FUNCTION__, __LINE__, cameraId);
return -EINVAL;
}
}
/* Check the android.flash.info.available */
/* If this camera device does not support flash, It have to return -ENOSYS */
metadata = g_cam_info[cameraId];
flashAvailable = metadata.find(ANDROID_FLASH_INFO_AVAILABLE);
if (flashAvailable.count == 1 && flashAvailable.data.u8[0] == 1) {
ALOGV("DEBUG(%s[%d]): Flash metadata exist", __FUNCTION__, __LINE__);
} else {
ALOGE("ERR(%s[%d]): Can not find flash metadata", __FUNCTION__, __LINE__);
return -ENOSYS;
}
ALOGI("INFO(%s[%d]): Current Camera State (state = %d)", __FUNCTION__, __LINE__, cam_state[cameraId]);
/* Add the check the camera state that camera in use or not */
if (cam_state[cameraId] > CAMERA_CLOSED) {
ALOGE("ERR(%s[%d]): Camera Device is busy (state = %d)", __FUNCTION__, __LINE__, cam_state[cameraId]);
g_callbacks->torch_mode_status_change(g_callbacks, camera_id, TORCH_MODE_STATUS_AVAILABLE_OFF);
return -EBUSY;
}
/* Add the sysfs file read (sys/class/camera/flash/torch_flash) then set 0 or 1 */
if (cameraId == CAMERA_ID_BACK) {
snprintf(flashFilePath, sizeof(flashFilePath), TORCH_REAR_FILE_PATH);
} else {
snprintf(flashFilePath, sizeof(flashFilePath), TORCH_FRONT_FILE_PATH);
}
fp = fopen(flashFilePath, "w+");
if (fp == NULL) {
ALOGE("ERR(%s[%d]):torch file open(%s) fail, ret(%d)",
__FUNCTION__, __LINE__, flashFilePath, fp);
return -ENOSYS;
}
if (enabled) {
fwrite("1", sizeof(char), 1, fp);
} else {
fwrite("0", sizeof(char), 1, fp);
}
fflush(fp);
ret = fclose(fp);
if (ret != 0) {
ALOGE("ERR(%s[%d]): file close failed(%d)", __FUNCTION__, __LINE__, ret);
}
if (enabled) {
g_cam_torchEnabled[cameraId] = true;
g_callbacks->torch_mode_status_change(g_callbacks,
camera_id, TORCH_MODE_STATUS_AVAILABLE_ON);
} else {
g_cam_torchEnabled[cameraId] = false;
g_callbacks->torch_mode_status_change(g_callbacks,
camera_id, TORCH_MODE_STATUS_AVAILABLE_OFF);
}
ALOGI("INFO(%s[%d]):out =====", __FUNCTION__, __LINE__);
return NO_ERROR;
}
void *init_func(__unused void *data)
{
ExynosCameraAutoTimer autoTimer(__FUNCTION__);
FILE *fp = NULL;
char name[64];
ALOGI("INFO(%s[%d]):in =====", __FUNCTION__, __LINE__);
fp = fopen(INIT_MODULE_PATH, "r");
if (fp == NULL) {
ALOGI("INFO(%s[%d]):module init file open fail, ret(%d)", __FUNCTION__, __LINE__, fp);
return NULL;
}
if (fgets(name, sizeof(name), fp) == NULL) {
ALOGI("INFO(%s[%d]):failed to read init sysfs", __FUNCTION__, __LINE__);
}
fclose(fp);
ALOGI("INFO(%s[%d]):out =====", __FUNCTION__, __LINE__);
return NULL;
}
static int HAL_init()
{
ExynosCameraAutoTimer autoTimer(__FUNCTION__);
int ret = 0;
ALOGI("INFO(%s[%d]):in =====", __FUNCTION__, __LINE__);
ret = pthread_create(&g_thread, NULL, init_func, NULL);
if (ret) {
ALOGE("ERR(%s[%d]):pthread_create failed with error code %d", __FUNCTION__, __LINE__, ret);
}
ALOGI("INFO(%s[%d]):out =====", __FUNCTION__, __LINE__);
return OK;
}
#ifdef USE_ONE_INTERFACE_FILE
static int HAL_camera_device_open(
const struct hw_module_t* module,
const char *id,
struct hw_device_t** device)
{
ExynosCameraAutoTimer autoTimer(__FUNCTION__);
int cameraId = atoi(id);
FILE *fp = NULL;
CameraMetadata metadata;
camera_metadata_entry flashAvailable;
bool hasFlash;
char flashFilePath[100] = {'\0',};
#ifdef BOARD_BACK_CAMERA_USES_EXTERNAL_CAMERA
if (cameraId == 0) {
return HAL_ext_camera_device_open_wrapper(module, id, device);
}
#endif
#ifdef BOARD_FRONT_CAMERA_USES_EXTERNAL_CAMERA
if (cameraId == 1) {
return HAL_ext_camera_device_open_wrapper(module, id, device);
}
#endif
#if (defined BOARD_BACK_CAMERA_USES_EXTERNAL_CAMERA) && (defined BOARD_FRONT_CAMERA_USES_EXTERNAL_CAMERA)
#else
enum CAMERA_STATE state;
int ret = 0;
cameraId = HAL_getCameraId(cameraId);
ALOGI("INFO(%s[%d]):camera(%d) in", __FUNCTION__, __LINE__, cameraId);
if (cameraId < 0 || cameraId >= HAL_getNumberOfCameras()) {
if (cameraId < CAMERA_ID_HIDDEN_START || cameraId >= CAMERA_ID_HIDDEN_START + HAL_getNumberOfHiddenCameras()) {
ALOGE("ERR(%s[%d]):Invalid camera ID %d", __FUNCTION__, __LINE__, cameraId);
return -EINVAL;
}
}
/* Check init thread state */
if (g_thread) {
ret = pthread_join(g_thread, NULL);
if (ret != 0) {
ALOGE("ERR(%s[%d]):pthread_join failed with error code %d", __FUNCTION__, __LINE__, ret);
}
g_thread = 0;
}
state = CAMERA_OPENED;
if (check_camera_state(state, cameraId) == false) {
ALOGE("ERR(%s):camera(%d) state(%d) is INVALID", __FUNCTION__, cameraId, state);
return -1;
}
if (g_cam_device[cameraId]) {
ALOGE("DEBUG(%s):returning existing camera ID %s", __FUNCTION__, id);
*device = (hw_device_t *)g_cam_device[cameraId];
goto done;
}
g_cam_device[cameraId] = (camera_device_t *)malloc(sizeof(camera_device_t));
if (!g_cam_device[cameraId])
return -ENOMEM;
g_cam_openLock[cameraId].lock();
g_cam_device[cameraId]->common.tag = HARDWARE_DEVICE_TAG;
g_cam_device[cameraId]->common.version = 1;
g_cam_device[cameraId]->common.module = const_cast<hw_module_t *>(module);
g_cam_device[cameraId]->common.close = HAL_camera_device_close;
g_cam_device[cameraId]->ops = &camera_device_ops;
ALOGD("DEBUG(%s):open camera %s", __FUNCTION__, id);
g_cam_device[cameraId]->priv = new ExynosCamera(cameraId, g_cam_device[cameraId]);
*device = (hw_device_t *)g_cam_device[cameraId];
ALOGI("INFO(%s[%d]):camera(%d) out from new g_cam_device[%d]->priv()",
__FUNCTION__, __LINE__, cameraId, cameraId);
g_cam_openLock[cameraId].unlock();
ALOGI("INFO(%s[%d]):camera(%d) unlocked..", __FUNCTION__, __LINE__, cameraId);
done:
cam_stateLock[cameraId].lock();
cam_state[cameraId] = state;
cam_stateLock[cameraId].unlock();
if (g_cam_info[cameraId]) {
metadata = g_cam_info[cameraId];
flashAvailable = metadata.find(ANDROID_FLASH_INFO_AVAILABLE);
ALOGV("INFO(%s[%d]): cameraId(%d), flashAvailable.count(%d), flashAvailable.data.u8[0](%d)",
__FUNCTION__, cameraId, flashAvailable.count, flashAvailable.data.u8[0]);
if (flashAvailable.count == 1 && flashAvailable.data.u8[0] == 1) {
hasFlash = true;
} else {
hasFlash = false;
}
}
if(hasFlash && g_cam_torchEnabled[cameraId]) {
if (cameraId == CAMERA_ID_BACK) {
snprintf(flashFilePath, sizeof(flashFilePath), TORCH_REAR_FILE_PATH);
} else {
snprintf(flashFilePath, sizeof(flashFilePath), TORCH_FRONT_FILE_PATH);
}
fp = fopen(flashFilePath, "w+");
if (fp == NULL) {
ALOGE("ERR(%s[%d]):torch file open fail, ret(%d)", __FUNCTION__, __LINE__, fp);
} else {
fwrite("0", sizeof(char), 1, fp);
fflush(fp);
fclose(fp);
g_cam_torchEnabled[cameraId] = false;
g_callbacks->torch_mode_status_change(g_callbacks, id, TORCH_MODE_STATUS_AVAILABLE_OFF);
}
}
g_callbacks->torch_mode_status_change(g_callbacks, id, TORCH_MODE_STATUS_NOT_AVAILABLE);
ALOGI("INFO(%s[%d]):camera(%d) out", __FUNCTION__, __LINE__, cameraId);
#endif /* (defined BOARD_BACK_CAMERA_USES_EXTERNAL_CAMERA) && (defined BOARD_FRONT_CAMERA_USES_EXTERNAL_CAMERA) */
return 0;
}
static int HAL_camera_device_close(struct hw_device_t* device)
{
ExynosCameraAutoTimer autoTimer(__FUNCTION__);
uint32_t cameraId;
enum CAMERA_STATE state;
#if (defined BOARD_BACK_CAMERA_USES_EXTERNAL_CAMERA) && (defined BOARD_FRONT_CAMERA_USES_EXTERNAL_CAMERA)
#else
ALOGI("INFO(%s[%d]): in", __FUNCTION__, __LINE__);
if (device) {
camera_device_t *cam_device = (camera_device_t *)device;
cameraId = obj(cam_device)->getCameraId();
ALOGI("INFO(%s[%d]):camera(%d)", __FUNCTION__, __LINE__, cameraId);
state = CAMERA_CLOSED;
if (check_camera_state(state, cameraId) == false) {
ALOGE("ERR(%s):camera(%d) state(%d) is INVALID",
__FUNCTION__, cameraId, state);
return -1;
}
g_cam_openLock[cameraId].lock();
ALOGI("INFO(%s[%d]):camera(%d) locked..", __FUNCTION__, __LINE__, cameraId);
g_cam_device[cameraId] = NULL;
g_cam_openLock[cameraId].unlock();
ALOGI("INFO(%s[%d]):camera(%d) unlocked..", __FUNCTION__, __LINE__, cameraId);
delete static_cast<ExynosCamera *>(cam_device->priv);
free(cam_device);
cam_stateLock[cameraId].lock();
cam_state[cameraId] = state;
cam_stateLock[cameraId].unlock();
ALOGI("INFO(%s[%d]):camera(%d)", __FUNCTION__, __LINE__, cameraId);
}
ALOGI("INFO(%s[%d]): out", __FUNCTION__, __LINE__);
#endif /* (defined BOARD_BACK_CAMERA_USES_EXTERNAL_CAMERA) && (defined BOARD_FRONT_CAMERA_USES_EXTERNAL_CAMERA) */
return 0;
}
static int HAL_camera_device_set_preview_window(
struct camera_device *dev,
struct preview_stream_ops *buf)
{
ExynosCameraAutoTimer autoTimer(__FUNCTION__);
static int ret;
uint32_t cameraId = obj(dev)->getCameraId();
ALOGI("INFO(%s[%d]):camera(%d) in", __FUNCTION__, __LINE__, cameraId);
ret = obj(dev)->setPreviewWindow(buf);
ALOGI("INFO(%s[%d]):camera(%d) out", __FUNCTION__, __LINE__, cameraId);
return ret;
}
static void HAL_camera_device_set_callbacks(struct camera_device *dev,
camera_notify_callback notify_cb,
camera_data_callback data_cb,
camera_data_timestamp_callback data_cb_timestamp,
camera_request_memory get_memory,
void* user)
{
ExynosCameraAutoTimer autoTimer(__FUNCTION__);
ALOGV("DEBUG(%s):", __FUNCTION__);
obj(dev)->setCallbacks(notify_cb, data_cb, data_cb_timestamp,
get_memory,
user);
}
static void HAL_camera_device_enable_msg_type(
struct camera_device *dev,
int32_t msg_type)
{
ALOGV("DEBUG(%s):", __FUNCTION__);
obj(dev)->enableMsgType(msg_type);
}
static void HAL_camera_device_disable_msg_type(
struct camera_device *dev,
int32_t msg_type)
{
ALOGV("DEBUG(%s):", __FUNCTION__);
obj(dev)->disableMsgType(msg_type);
}
static int HAL_camera_device_msg_type_enabled(
struct camera_device *dev,
int32_t msg_type)
{
ALOGV("DEBUG(%s):", __FUNCTION__);
return obj(dev)->msgTypeEnabled(msg_type);
}
static int HAL_camera_device_start_preview(struct camera_device *dev)
{
ExynosCameraAutoTimer autoTimer(__FUNCTION__);
static int ret;
uint32_t cameraId = obj(dev)->getCameraId();
enum CAMERA_STATE state;
ALOGI("INFO(%s[%d]):camera(%d) in", __FUNCTION__, __LINE__, cameraId);
state = CAMERA_PREVIEW;
if (check_camera_state(state, cameraId) == false) {
ALOGE("ERR(%s):camera(%d) state(%d) is INVALID",
__FUNCTION__, cameraId, state);
return -1;
}
g_cam_previewLock[cameraId].lock();
#ifdef DUAL_CAMERA_SUPPORTED
if (cameraId != 0 && g_cam_device[0] != NULL
&& cam_state[0] != CAMERA_NONE && cam_state[0] != CAMERA_CLOSED) {
#ifdef SAMSUNG_QUICK_SWITCH
ret = obj(dev)->setDualMode(!obj(dev)->getQuickSwitchFlag());
#else
ret = obj(dev)->setDualMode(true);
#endif
if (ret != NO_ERROR) {
ALOGE("ERR(%s[%d]):camera(%d) set dual mode fail, ret(%d)",
__FUNCTION__, __LINE__, cameraId, ret);
} else {
ALOGI("INFO(%s[%d]):camera(%d) set dual mode)",
__FUNCTION__, __LINE__, cameraId);
}
}
#endif
ret = obj(dev)->startPreview();
ALOGV("INFO(%s[%d]):camera(%d) out from startPreview()",
__FUNCTION__, __LINE__, cameraId);
g_cam_previewLock[cameraId].unlock();
ALOGV("INFO(%s[%d]):camera(%d) unlocked..", __FUNCTION__, __LINE__, cameraId);
if (ret == OK) {
cam_stateLock[cameraId].lock();
cam_state[cameraId] = state;
cam_stateLock[cameraId].unlock();
ALOGI("INFO(%s[%d]):camera(%d) out (startPreview succeeded)",
__FUNCTION__, __LINE__, cameraId);
} else {
ALOGI("INFO(%s[%d]):camera(%d) out (startPreview FAILED)",
__FUNCTION__, __LINE__, cameraId);
}
return ret;
}
static void HAL_camera_device_stop_preview(struct camera_device *dev)
{
ExynosCameraAutoTimer autoTimer(__FUNCTION__);
uint32_t cameraId = obj(dev)->getCameraId();
enum CAMERA_STATE state;
ALOGI("INFO(%s[%d]):camera(%d) in", __FUNCTION__, __LINE__, cameraId);
/* HACK : If camera in recording state, */
/* CameraService have to call the stop_recording before the stop_preview */
#if 1
if (cam_state[cameraId] == CAMERA_RECORDING) {
ALOGE("ERR(%s[%d]):camera(%d) in RECORDING RUNNING state ---- INVALID ----",
__FUNCTION__, __LINE__, cameraId);
ALOGE("ERR(%s[%d]):camera(%d) The stop_recording must be called "
"before the stop_preview ---- INVALID ----",
__FUNCTION__, __LINE__, cameraId);
HAL_camera_device_stop_recording(dev);
ALOGE("ERR(%s[%d]):cameraId=%d out from stop_recording ---- INVALID ----",
__FUNCTION__, __LINE__, cameraId);
for (int i=0; i<30; i++) {
ALOGE("ERR(%s[%d]):camera(%d) The stop_recording must be called "
"before the stop_preview ---- INVALID ----",
__FUNCTION__, __LINE__, cameraId);
}
ALOGE("ERR(%s[%d]):camera(%d) sleep 500ms for ---- INVALID ---- state",
__FUNCTION__, __LINE__, cameraId);
usleep(500000); /* to notify, sleep 500ms */
}
#endif
state = CAMERA_PREVIEWSTOPPED;
if (check_camera_state(state, cameraId) == false) {
ALOGE("ERR(%s):camera(%d) state(%d) is INVALID", __FUNCTION__, cameraId, state);
return;
}
g_cam_previewLock[cameraId].lock();
obj(dev)->stopPreview();
ALOGI("INFO(%s[%d]):camera(%d) out from stopPreview()",
__FUNCTION__, __LINE__, cameraId);
g_cam_previewLock[cameraId].unlock();
ALOGI("INFO(%s[%d]):camera(%d) unlocked..", __FUNCTION__, __LINE__, cameraId);
cam_stateLock[cameraId].lock();
cam_state[cameraId] = state;
cam_stateLock[cameraId].unlock();
ALOGI("INFO(%s[%d]):camera(%d) out", __FUNCTION__, __LINE__, cameraId);
}
static int HAL_camera_device_preview_enabled(struct camera_device *dev)
{
ExynosCameraAutoTimer autoTimer(__FUNCTION__);
ALOGV("DEBUG(%s):", __FUNCTION__);
return obj(dev)->previewEnabled();
}
static int HAL_camera_device_store_meta_data_in_buffers(
struct camera_device *dev,
int enable)
{
ExynosCameraAutoTimer autoTimer(__FUNCTION__);
ALOGV("DEBUG(%s):", __FUNCTION__);
return obj(dev)->storeMetaDataInBuffers(enable);
}
static int HAL_camera_device_start_recording(struct camera_device *dev)
{
ExynosCameraAutoTimer autoTimer(__FUNCTION__);
static int ret;
uint32_t cameraId = obj(dev)->getCameraId();
enum CAMERA_STATE state;
ALOGI("INFO(%s[%d]):camera(%d) in", __FUNCTION__, __LINE__, cameraId);
state = CAMERA_RECORDING;
if (check_camera_state(state, cameraId) == false) {
ALOGE("ERR(%s):camera(%d) state(%d) is INVALID",
__FUNCTION__, cameraId, state);
return -1;
}
g_cam_recordingLock[cameraId].lock();
ret = obj(dev)->startRecording();
ALOGI("INFO(%s[%d]):camera(%d) out from startRecording()",
__FUNCTION__, __LINE__, cameraId);
g_cam_recordingLock[cameraId].unlock();
ALOGI("INFO(%s[%d]):camera(%d) unlocked..", __FUNCTION__, __LINE__, cameraId);
if (ret == OK) {
cam_stateLock[cameraId].lock();
cam_state[cameraId] = state;
cam_stateLock[cameraId].unlock();
ALOGI("INFO(%s[%d]):camera(%d) out (startRecording succeeded)",
__FUNCTION__, __LINE__, cameraId);
} else {
ALOGI("INFO(%s[%d]):camera(%d) out (startRecording FAILED)",
__FUNCTION__, __LINE__, cameraId);
}
return ret;
}
static void HAL_camera_device_stop_recording(struct camera_device *dev)
{
ExynosCameraAutoTimer autoTimer(__FUNCTION__);
uint32_t cameraId = obj(dev)->getCameraId();
enum CAMERA_STATE state;
ALOGI("INFO(%s[%d]):camera(%d) in", __FUNCTION__, __LINE__, cameraId);
state = CAMERA_RECORDINGSTOPPED;
if (check_camera_state(state, cameraId) == false) {
ALOGE("ERR(%s):camera(%d) state(%d) is INVALID", __FUNCTION__, cameraId, state);
return;
}
g_cam_recordingLock[cameraId].lock();
obj(dev)->stopRecording();
ALOGI("INFO(%s[%d]):camera(%d) out from stopRecording()",
__FUNCTION__, __LINE__, cameraId);
g_cam_recordingLock[cameraId].unlock();
ALOGI("INFO(%s[%d]):camera(%d) unlocked..", __FUNCTION__, __LINE__, cameraId);
cam_stateLock[cameraId].lock();
cam_state[cameraId] = state;
cam_stateLock[cameraId].unlock();
ALOGI("INFO(%s[%d]):camera(%d) out", __FUNCTION__, __LINE__, cameraId);
}
static int HAL_camera_device_recording_enabled(struct camera_device *dev)
{
ExynosCameraAutoTimer autoTimer(__FUNCTION__);
ALOGV("DEBUG(%s):", __FUNCTION__);
return obj(dev)->recordingEnabled();
}
static void HAL_camera_device_release_recording_frame(struct camera_device *dev,
const void *opaque)
{
/* ExynosCameraAutoTimer autoTimer(__FUNCTION__); */
ALOGV("DEBUG(%s):", __FUNCTION__);
obj(dev)->releaseRecordingFrame(opaque);
}
static int HAL_camera_device_auto_focus(struct camera_device *dev)
{
ExynosCameraAutoTimer autoTimer(__FUNCTION__);
ALOGV("DEBUG(%s):", __FUNCTION__);
return obj(dev)->autoFocus();
}
static int HAL_camera_device_cancel_auto_focus(struct camera_device *dev)
{
ExynosCameraAutoTimer autoTimer(__FUNCTION__);
ALOGV("DEBUG(%s):", __FUNCTION__);
return obj(dev)->cancelAutoFocus();
}
static int HAL_camera_device_take_picture(struct camera_device *dev)
{
ExynosCameraAutoTimer autoTimer(__FUNCTION__);
ALOGV("DEBUG(%s):", __FUNCTION__);
return obj(dev)->takePicture();
}
static int HAL_camera_device_cancel_picture(struct camera_device *dev)
{
ExynosCameraAutoTimer autoTimer(__FUNCTION__);
ALOGV("DEBUG(%s):", __FUNCTION__);
return obj(dev)->cancelPicture();
}
static int HAL_camera_device_set_parameters(
struct camera_device *dev,
const char *parms)
{
ExynosCameraAutoTimer autoTimer(__FUNCTION__);
ALOGV("DEBUG(%s):", __FUNCTION__);
String8 str(parms);
CameraParameters p(str);
return obj(dev)->setParameters(p);
}
char *HAL_camera_device_get_parameters(struct camera_device *dev)
{
ExynosCameraAutoTimer autoTimer(__FUNCTION__);
ALOGV("DEBUG(%s):", __FUNCTION__);
String8 str;
/* HACK : to avoid compile error */
#if (defined BOARD_BACK_CAMERA_USES_EXTERNAL_CAMERA) && (defined BOARD_FRONT_CAMERA_USES_EXTERNAL_CAMERA)
ALOGE("ERR(%s[%d]):invalid opertion on external camera", __FUNCTION__, __LINE__);
#else
CameraParameters parms = obj(dev)->getParameters();
str = parms.flatten();
#endif
return strdup(str.string());
}
static void HAL_camera_device_put_parameters(
struct camera_device *dev,
char *parms)
{
ExynosCameraAutoTimer autoTimer(__FUNCTION__);
ALOGV("DEBUG(%s):", __FUNCTION__);
free(parms);
}
static int HAL_camera_device_send_command(
struct camera_device *dev,
int32_t cmd,
int32_t arg1,
int32_t arg2)
{
ExynosCameraAutoTimer autoTimer(__FUNCTION__);
ALOGV("DEBUG(%s):", __FUNCTION__);
return obj(dev)->sendCommand(cmd, arg1, arg2);
}
static void HAL_camera_device_release(struct camera_device *dev)
{
ExynosCameraAutoTimer autoTimer(__FUNCTION__);
uint32_t cameraId = obj(dev)->getCameraId();
enum CAMERA_STATE state;
ALOGI("INFO(%s[%d]):camera(%d) in", __FUNCTION__, __LINE__, cameraId);
state = CAMERA_RELEASED;
if (check_camera_state(state, cameraId) == false) {
ALOGE("ERR(%s):camera(%d) state(%d) is INVALID",
__FUNCTION__, cameraId, state);
return;
}
g_cam_openLock[cameraId].lock();
obj(dev)->release();
ALOGV("INFO(%s[%d]):camera(%d) out from release()",
__FUNCTION__, __LINE__, cameraId);
g_cam_openLock[cameraId].unlock();
ALOGV("INFO(%s[%d]):camera(%d) unlocked..", __FUNCTION__, __LINE__, cameraId);
cam_stateLock[cameraId].lock();
cam_state[cameraId] = state;
cam_stateLock[cameraId].unlock();
ALOGI("INFO(%s[%d]):camera(%d) out", __FUNCTION__, __LINE__, cameraId);
}
static int HAL_camera_device_dump(struct camera_device *dev, int fd)
{
ExynosCameraAutoTimer autoTimer(__FUNCTION__);
ALOGV("DEBUG(%s):", __FUNCTION__);
return obj(dev)->dump(fd);
}
#endif
static void HAL_get_vendor_tag_ops(__unused vendor_tag_ops_t* ops)
{
ALOGV("INFO(%s):", __FUNCTION__);
#ifdef SAMSUNG_TN_FEATURE
SecCameraVendorTags::Ops = ops;
ops->get_all_tags = SecCameraVendorTags::get_ext_all_tags;
ops->get_tag_count = SecCameraVendorTags::get_ext_tag_count;
ops->get_tag_type = SecCameraVendorTags::get_ext_tag_type;
ops->get_tag_name = SecCameraVendorTags::get_ext_tag_name;
ops->get_section_name = SecCameraVendorTags::get_ext_section_name;
ops->reserved[0] = NULL;
#else
ALOGW("WARN(%s[%d]):empty operation", __FUNCTION__, __LINE__);
#endif
}
}; /* namespace android */