/* Copyright (c) 2011-2014, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#define ALOG_NIDEBUG 0
#define LOG_TAG "QualcommCamera"
#include <utils/Log.h>
#include <utils/threads.h>
#include <fcntl.h>
#include <sys/mman.h>
#include <binder/IMemory.h>
#include <binder/MemoryBase.h>
#include <binder/MemoryHeapBase.h>
#include <utils/RefBase.h>
#include "QualcommCamera.h"
#include "QCamera2Factory.h"
#include "QCamera2HWI.h"
extern "C" {
#include <sys/time.h>
}
/* HAL function implementation goes here*/
/**
* The functions need to be provided by the camera HAL.
*
* If getNumberOfCameras() returns N, the valid cameraId for getCameraInfo()
* and openCameraHardware() is 0 to N-1.
*/
static hw_module_methods_t camera_module_methods = {
open: camera_device_open,
};
static hw_module_t camera_common = {
tag: HARDWARE_MODULE_TAG,
module_api_version: CAMERA_MODULE_API_VERSION_1_0,
hal_api_version: HARDWARE_HAL_API_VERSION,
id: CAMERA_HARDWARE_MODULE_ID,
name: "QCamera Module",
author: "Quic on behalf of CAF",
methods: &camera_module_methods,
dso: NULL,
reserved: {0},
};
using namespace qcamera;
namespace android {
typedef struct {
camera_device hw_dev;
QCamera2HardwareInterface *hardware;
int camera_released;
int cameraId;
} camera_hardware_t;
typedef struct {
camera_memory_t mem;
int32_t msgType;
sp<IMemory> dataPtr;
void* user;
unsigned int index;
} q_cam_memory_t;
QCamera2HardwareInterface *util_get_Hal_obj( struct camera_device * device)
{
QCamera2HardwareInterface *hardware = NULL;
if(device && device->priv){
camera_hardware_t *camHal = (camera_hardware_t *)device->priv;
hardware = camHal->hardware;
}
return hardware;
}
extern "C" int get_number_of_cameras()
{
/* try to query every time we get the call!*/
ALOGE("Q%s: E", __func__);
return QCamera2Factory::get_number_of_cameras();
}
extern "C" int get_camera_info(int camera_id, struct camera_info *info)
{
int rc = -1;
ALOGE("Q%s: E", __func__);
if(info) {
QCamera2Factory::get_camera_info(camera_id, info);
}
CDBG("Q%s: X", __func__);
return rc;
}
/* HAL should return NULL if it fails to open camera hardware. */
extern "C" int camera_device_open(
const struct hw_module_t* module, const char* id,
struct hw_device_t** hw_device)
{
int rc = -1;
camera_device *device = NULL;
if(module && id && hw_device) {
int cameraId = atoi(id);
if (!strcmp(module->name, camera_common.name)) {
camera_hardware_t *camHal =
(camera_hardware_t *) malloc(sizeof (camera_hardware_t));
if(!camHal) {
*hw_device = NULL;
ALOGE("%s: end in no mem", __func__);
return rc;
}
/* we have the camera_hardware obj malloced */
memset(camHal, 0, sizeof (camera_hardware_t));
camHal->hardware = new QCamera2HardwareInterface(cameraId);
if (camHal->hardware) {
camHal->cameraId = cameraId;
device = &camHal->hw_dev;
device->common.close = close_camera_device;
device->ops = &QCamera2HardwareInterface::mCameraOps;
device->priv = (void *)camHal;
rc = 0;
} else {
if (camHal->hardware) {
delete camHal->hardware;
camHal->hardware = NULL;
}
free(camHal);
device = NULL;
goto EXIT;
}
}
}
/* pass actual hw_device ptr to framework. This amkes that we actally be use memberof() macro */
*hw_device = (hw_device_t*)&device->common;
EXIT:
ALOGE("%s: end rc %d", __func__, rc);
return rc;
}
extern "C" int close_camera_device( hw_device_t *hw_dev)
{
ALOGE("Q%s: device =%p E", __func__, hw_dev);
int rc = -1;
camera_device_t *device = (camera_device_t *)hw_dev;
if(device) {
camera_hardware_t *camHal = (camera_hardware_t *)device->priv;
if(camHal ) {
QCamera2HardwareInterface *hardware = util_get_Hal_obj( device);
if(!camHal->camera_released) {
if(hardware != NULL) {
hardware->release(device);
}
}
if(hardware != NULL)
delete hardware;
free(camHal);
}
rc = 0;
}
return rc;
}
int set_preview_window(struct camera_device * device,
struct preview_stream_ops *window)
{
int rc = -1;
QCamera2HardwareInterface *hardware = util_get_Hal_obj(device);
if(hardware != NULL) {
rc = hardware->set_preview_window(device, window);
}
return rc;
}
void set_CallBacks(struct camera_device * device,
camera_notify_callback notify_cb,
camera_data_callback data_cb,
camera_data_timestamp_callback data_cb_timestamp,
camera_request_memory get_memory,
void *user)
{
ALOGE("Q%s: E", __func__);
QCamera2HardwareInterface *hardware = util_get_Hal_obj(device);
if(hardware != NULL){
hardware->set_CallBacks(device, notify_cb,data_cb, data_cb_timestamp, get_memory, user);
}
}
void enable_msg_type(struct camera_device * device, int32_t msg_type)
{
QCamera2HardwareInterface *hardware = util_get_Hal_obj(device);
if(hardware != NULL){
hardware->enable_msg_type(device, msg_type);
}
}
void disable_msg_type(struct camera_device * device, int32_t msg_type)
{
QCamera2HardwareInterface *hardware = util_get_Hal_obj(device);
ALOGE("Q%s: E", __func__);
if(hardware != NULL){
hardware->disable_msg_type(device, msg_type);
}
}
int msg_type_enabled(struct camera_device * device, int32_t msg_type)
{
ALOGE("Q%s: E", __func__);
int rc = -1;
QCamera2HardwareInterface *hardware = util_get_Hal_obj(device);
if(hardware != NULL){
rc = hardware->msg_type_enabled(device, msg_type);
}
return rc;
}
int start_preview(struct camera_device * device)
{
ALOGE("Q%s: E", __func__);
int rc = -1;
QCamera2HardwareInterface *hardware = util_get_Hal_obj(device);
if(hardware != NULL){
rc = hardware->start_preview(device);
}
ALOGE("Q%s: X", __func__);
return rc;
}
void stop_preview(struct camera_device * device)
{
ALOGE("Q%s: E", __func__);
QCamera2HardwareInterface *hardware = util_get_Hal_obj(device);
if(hardware != NULL){
hardware->stop_preview(device);
}
}
int preview_enabled(struct camera_device * device)
{
ALOGE("Q%s: E", __func__);
int rc = -1;
QCamera2HardwareInterface *hardware = util_get_Hal_obj(device);
if(hardware != NULL){
rc = hardware->preview_enabled(device);
}
return rc;
}
int store_meta_data_in_buffers(struct camera_device * device, int enable)
{
ALOGE("Q%s: E", __func__);
int rc = -1;
QCamera2HardwareInterface *hardware = util_get_Hal_obj(device);
if(hardware != NULL){
rc = hardware->store_meta_data_in_buffers(device, enable);
}
return rc;
}
int start_recording(struct camera_device * device)
{
ALOGE("Q%s: E", __func__);
int rc = -1;
QCamera2HardwareInterface *hardware = util_get_Hal_obj(device);
if(hardware != NULL){
rc = hardware->start_recording(device);
}
return rc;
}
void stop_recording(struct camera_device * device)
{
ALOGE("Q%s: E", __func__);
QCamera2HardwareInterface *hardware = util_get_Hal_obj(device);
if(hardware != NULL){
hardware->stop_recording(device);
}
}
int recording_enabled(struct camera_device * device)
{
ALOGE("Q%s: E", __func__);
int rc = -1;
QCamera2HardwareInterface *hardware = util_get_Hal_obj(device);
if(hardware != NULL){
rc = hardware->recording_enabled(device);
}
return rc;
}
void release_recording_frame(struct camera_device * device,
const void *opaque)
{
CDBG("Q%s: E", __func__);
QCamera2HardwareInterface *hardware = util_get_Hal_obj(device);
if(hardware != NULL){
hardware->release_recording_frame(device, opaque);
}
}
int auto_focus(struct camera_device * device)
{
ALOGE("Q%s: E", __func__);
int rc = -1;
QCamera2HardwareInterface *hardware = util_get_Hal_obj(device);
if(hardware != NULL){
rc = hardware->auto_focus(device);
}
return rc;
}
int cancel_auto_focus(struct camera_device * device)
{
ALOGE("Q%s: E", __func__);
int rc = -1;
QCamera2HardwareInterface *hardware = util_get_Hal_obj(device);
if(hardware != NULL){
rc = hardware->cancel_auto_focus(device);
}
return rc;
}
int take_picture(struct camera_device * device)
{
ALOGE("Q%s: E", __func__);
int rc = -1;
QCamera2HardwareInterface *hardware = util_get_Hal_obj(device);
if(hardware != NULL){
rc = hardware->take_picture(device);
}
return rc;
}
int cancel_picture(struct camera_device * device)
{
ALOGE("Q%s: E", __func__);
int rc = -1;
QCamera2HardwareInterface *hardware = util_get_Hal_obj(device);
if(hardware != NULL){
rc = hardware->cancel_picture(device);
}
return rc;
}
int set_parameters(struct camera_device * device, const char *parms)
{
ALOGE("Q%s: E", __func__);
int rc = -1;
QCamera2HardwareInterface *hardware = util_get_Hal_obj(device);
if(hardware != NULL && parms){
rc = hardware->set_parameters(device, parms);
}
return rc;
}
char* get_parameters(struct camera_device * device)
{
ALOGE("Q%s: E", __func__);
QCamera2HardwareInterface *hardware = util_get_Hal_obj(device);
if(hardware != NULL){
char *parms = NULL;
parms = hardware->get_parameters(device);
return parms;
}
return NULL;
}
void put_parameters(struct camera_device * device, char *parm)
{
ALOGE("Q%s: E", __func__);
QCamera2HardwareInterface *hardware = util_get_Hal_obj(device);
if(hardware != NULL){
hardware->put_parameters(device, parm);
}
}
int send_command(struct camera_device * device,
int32_t cmd, int32_t arg1, int32_t arg2)
{
ALOGE("Q%s: E", __func__);
int rc = -1;
QCamera2HardwareInterface *hardware = util_get_Hal_obj(device);
if(hardware != NULL){
rc = hardware->send_command(device, cmd, arg1, arg2);
}
return rc;
}
void release(struct camera_device * device)
{
ALOGE("Q%s: E", __func__);
QCamera2HardwareInterface *hardware = util_get_Hal_obj(device);
if(hardware != NULL){
camera_hardware_t *camHal = (camera_hardware_t *)device->priv;
hardware->release(device);
camHal->camera_released = true;
}
}
int dump(struct camera_device * device, int fd)
{
ALOGE("Q%s: E", __func__);
int rc = -1;
QCamera2HardwareInterface *hardware = util_get_Hal_obj(device);
if(hardware != NULL){
rc = hardware->dump(device, fd);
}
return rc;
}
}; // namespace android