initial commit
Change-Id: I8f7a7eeece0e516efa486b77e9d97805c0e65d3e
Signed-off-by: Iliyan Malchev <[email protected]>
diff --git a/camera/CameraHal_Module.cpp b/camera/CameraHal_Module.cpp
new file mode 100644
index 0000000..cf3ec60
--- /dev/null
+++ b/camera/CameraHal_Module.cpp
@@ -0,0 +1,676 @@
+/*
+ * Copyright (C) Texas Instruments - http://www.ti.com/
+ *
+ * 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.
+ */
+
+/**
+* @file CameraHal.cpp
+*
+* This file maps the Camera Hardware Interface to V4L2.
+*
+*/
+
+#define LOG_TAG "CameraHAL"
+
+#include "CameraHal.h"
+#include "CameraProperties.h"
+#include "TICameraParameters.h"
+
+
+static android::CameraProperties gCameraProperties;
+static android::CameraHal* gCameraHals[MAX_CAMERAS_SUPPORTED];
+
+static int camera_device_open(const hw_module_t* module, const char* name,
+ hw_device_t** device);
+static int camera_device_close(hw_device_t* device);
+static int camera_get_number_of_cameras(void);
+static int camera_get_camera_info(int camera_id, struct camera_info *info);
+
+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,
+ version_major: 1,
+ version_minor: 0,
+ id: CAMERA_HARDWARE_MODULE_ID,
+ name: "TI OMAP CameraHal Module",
+ author: "TI",
+ methods: &camera_module_methods,
+ dso: NULL, /* remove compilation warnings */
+ reserved: {0}, /* remove compilation warnings */
+ },
+ get_number_of_cameras: camera_get_number_of_cameras,
+ get_camera_info: camera_get_camera_info,
+};
+
+typedef struct ti_camera_device {
+ camera_device_t base;
+ /* TI specific "private" data can go here (base.priv) */
+ int cameraid;
+} ti_camera_device_t;
+
+
+/*******************************************************************
+ * implementation of camera_device_ops functions
+ *******************************************************************/
+
+int camera_set_preview_window(struct camera_device * device,
+ struct preview_stream_ops *window)
+{
+ int rv = -EINVAL;
+ ti_camera_device_t* ti_dev = NULL;
+
+ LOGV("%s", __FUNCTION__);
+
+ if(!device)
+ return rv;
+
+ ti_dev = (ti_camera_device_t*) device;
+
+ rv = gCameraHals[ti_dev->cameraid]->setPreviewWindow(window);
+
+ return rv;
+}
+
+void camera_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)
+{
+ ti_camera_device_t* ti_dev = NULL;
+
+ LOGV("%s", __FUNCTION__);
+
+ if(!device)
+ return;
+
+ ti_dev = (ti_camera_device_t*) device;
+
+ gCameraHals[ti_dev->cameraid]->setCallbacks(notify_cb, data_cb, data_cb_timestamp, get_memory, user);
+}
+
+void camera_enable_msg_type(struct camera_device * device, int32_t msg_type)
+{
+ ti_camera_device_t* ti_dev = NULL;
+
+ LOGV("%s", __FUNCTION__);
+
+ if(!device)
+ return;
+
+ ti_dev = (ti_camera_device_t*) device;
+
+ gCameraHals[ti_dev->cameraid]->enableMsgType(msg_type);
+}
+
+void camera_disable_msg_type(struct camera_device * device, int32_t msg_type)
+{
+ ti_camera_device_t* ti_dev = NULL;
+
+ LOGV("%s", __FUNCTION__);
+
+ if(!device)
+ return;
+
+ ti_dev = (ti_camera_device_t*) device;
+
+ gCameraHals[ti_dev->cameraid]->disableMsgType(msg_type);
+}
+
+int camera_msg_type_enabled(struct camera_device * device, int32_t msg_type)
+{
+ ti_camera_device_t* ti_dev = NULL;
+
+ LOGV("%s", __FUNCTION__);
+
+ if(!device)
+ return 0;
+
+ ti_dev = (ti_camera_device_t*) device;
+
+ return gCameraHals[ti_dev->cameraid]->msgTypeEnabled(msg_type);
+}
+
+int camera_start_preview(struct camera_device * device)
+{
+ int rv = -EINVAL;
+ ti_camera_device_t* ti_dev = NULL;
+
+ LOGV("%s", __FUNCTION__);
+
+ if(!device)
+ return rv;
+
+ ti_dev = (ti_camera_device_t*) device;
+
+ rv = gCameraHals[ti_dev->cameraid]->startPreview();
+
+ return rv;
+}
+
+void camera_stop_preview(struct camera_device * device)
+{
+ ti_camera_device_t* ti_dev = NULL;
+
+ LOGV("%s", __FUNCTION__);
+
+ if(!device)
+ return;
+
+ ti_dev = (ti_camera_device_t*) device;
+
+ gCameraHals[ti_dev->cameraid]->stopPreview();
+}
+
+int camera_preview_enabled(struct camera_device * device)
+{
+ int rv = -EINVAL;
+ ti_camera_device_t* ti_dev = NULL;
+
+ LOGV("%s", __FUNCTION__);
+
+ if(!device)
+ return rv;
+
+ ti_dev = (ti_camera_device_t*) device;
+
+ rv = gCameraHals[ti_dev->cameraid]->previewEnabled();
+ return rv;
+}
+
+int camera_store_meta_data_in_buffers(struct camera_device * device, int enable)
+{
+ int rv = -EINVAL;
+ ti_camera_device_t* ti_dev = NULL;
+
+ LOGV("%s", __FUNCTION__);
+
+ if(!device)
+ return rv;
+
+ ti_dev = (ti_camera_device_t*) device;
+
+ // TODO: meta data buffer not current supported
+ rv = gCameraHals[ti_dev->cameraid]->storeMetaDataInBuffers(enable);
+ return rv;
+ //return enable ? android::INVALID_OPERATION: android::OK;
+}
+
+int camera_start_recording(struct camera_device * device)
+{
+ int rv = -EINVAL;
+ ti_camera_device_t* ti_dev = NULL;
+
+ LOGV("%s", __FUNCTION__);
+
+ if(!device)
+ return rv;
+
+ ti_dev = (ti_camera_device_t*) device;
+
+ rv = gCameraHals[ti_dev->cameraid]->startRecording();
+ return rv;
+}
+
+void camera_stop_recording(struct camera_device * device)
+{
+ ti_camera_device_t* ti_dev = NULL;
+
+ LOGV("%s", __FUNCTION__);
+
+ if(!device)
+ return;
+
+ ti_dev = (ti_camera_device_t*) device;
+
+ gCameraHals[ti_dev->cameraid]->stopRecording();
+}
+
+int camera_recording_enabled(struct camera_device * device)
+{
+ int rv = -EINVAL;
+ ti_camera_device_t* ti_dev = NULL;
+
+ LOGV("%s", __FUNCTION__);
+
+ if(!device)
+ return rv;
+
+ ti_dev = (ti_camera_device_t*) device;
+
+ rv = gCameraHals[ti_dev->cameraid]->recordingEnabled();
+ return rv;
+}
+
+void camera_release_recording_frame(struct camera_device * device,
+ const void *opaque)
+{
+ ti_camera_device_t* ti_dev = NULL;
+
+ LOGV("%s", __FUNCTION__);
+
+ if(!device)
+ return;
+
+ ti_dev = (ti_camera_device_t*) device;
+
+ gCameraHals[ti_dev->cameraid]->releaseRecordingFrame(opaque);
+}
+
+int camera_auto_focus(struct camera_device * device)
+{
+ int rv = -EINVAL;
+ ti_camera_device_t* ti_dev = NULL;
+
+ LOGV("%s", __FUNCTION__);
+
+ if(!device)
+ return rv;
+
+ ti_dev = (ti_camera_device_t*) device;
+
+ rv = gCameraHals[ti_dev->cameraid]->autoFocus();
+ return rv;
+}
+
+int camera_cancel_auto_focus(struct camera_device * device)
+{
+ int rv = -EINVAL;
+ ti_camera_device_t* ti_dev = NULL;
+
+ LOGV("%s", __FUNCTION__);
+
+ if(!device)
+ return rv;
+
+ ti_dev = (ti_camera_device_t*) device;
+
+ rv = gCameraHals[ti_dev->cameraid]->cancelAutoFocus();
+ return rv;
+}
+
+int camera_take_picture(struct camera_device * device)
+{
+ int rv = -EINVAL;
+ ti_camera_device_t* ti_dev = NULL;
+
+ LOGV("%s", __FUNCTION__);
+
+ if(!device)
+ return rv;
+
+ ti_dev = (ti_camera_device_t*) device;
+
+ rv = gCameraHals[ti_dev->cameraid]->takePicture();
+ return rv;
+}
+
+int camera_cancel_picture(struct camera_device * device)
+{
+ int rv = -EINVAL;
+ ti_camera_device_t* ti_dev = NULL;
+
+ LOGV("%s", __FUNCTION__);
+
+ if(!device)
+ return rv;
+
+ ti_dev = (ti_camera_device_t*) device;
+
+ rv = gCameraHals[ti_dev->cameraid]->cancelPicture();
+ return rv;
+}
+
+int camera_set_parameters(struct camera_device * device, const char *params)
+{
+ int rv = -EINVAL;
+ ti_camera_device_t* ti_dev = NULL;
+
+ LOGV("%s", __FUNCTION__);
+
+ if(!device)
+ return rv;
+
+ ti_dev = (ti_camera_device_t*) device;
+
+ rv = gCameraHals[ti_dev->cameraid]->setParameters(params);
+ return rv;
+}
+
+char* camera_get_parameters(struct camera_device * device)
+{
+ char* param = NULL;
+ ti_camera_device_t* ti_dev = NULL;
+
+ LOGV("%s", __FUNCTION__);
+
+ if(!device)
+ return NULL;
+
+ ti_dev = (ti_camera_device_t*) device;
+
+ param = gCameraHals[ti_dev->cameraid]->getParameters();
+
+ return param;
+}
+
+static void camera_put_parameters(struct camera_device *device, char *parms)
+{
+ ti_camera_device_t* ti_dev = NULL;
+
+ LOGV("%s", __FUNCTION__);
+
+ if(!device)
+ return;
+
+ ti_dev = (ti_camera_device_t*) device;
+
+ gCameraHals[ti_dev->cameraid]->putParameters(parms);
+}
+
+int camera_send_command(struct camera_device * device,
+ int32_t cmd, int32_t arg1, int32_t arg2)
+{
+ int rv = -EINVAL;
+ ti_camera_device_t* ti_dev = NULL;
+
+ LOGV("%s", __FUNCTION__);
+
+ if(!device)
+ return rv;
+
+ ti_dev = (ti_camera_device_t*) device;
+
+ rv = gCameraHals[ti_dev->cameraid]->sendCommand(cmd, arg1, arg2);
+ return rv;
+}
+
+void camera_release(struct camera_device * device)
+{
+ ti_camera_device_t* ti_dev = NULL;
+
+ LOGV("%s", __FUNCTION__);
+
+ if(!device)
+ return;
+
+ ti_dev = (ti_camera_device_t*) device;
+
+ gCameraHals[ti_dev->cameraid]->release();
+}
+
+int camera_dump(struct camera_device * device, int fd)
+{
+ int rv = -EINVAL;
+ ti_camera_device_t* ti_dev = NULL;
+
+ if(!device)
+ return rv;
+
+ ti_dev = (ti_camera_device_t*) device;
+
+ rv = gCameraHals[ti_dev->cameraid]->dump(fd);
+ return rv;
+}
+
+extern "C" void heaptracker_free_leaked_memory(void);
+
+int camera_device_close(hw_device_t* device)
+{
+ int ret = 0;
+ ti_camera_device_t* ti_dev = NULL;
+
+ LOGV("%s", __FUNCTION__);
+
+ if (!device) {
+ ret = -EINVAL;
+ goto done;
+ }
+
+ ti_dev = (ti_camera_device_t*) device;
+
+ if (gCameraHals[ti_dev->cameraid]) {
+ delete gCameraHals[ti_dev->cameraid];
+ gCameraHals[ti_dev->cameraid] = NULL;
+ }
+
+ if (ti_dev->base.ops) {
+ free(ti_dev->base.ops);
+ }
+ free(ti_dev);
+
+done:
+#ifdef HEAPTRACKER
+ heaptracker_free_leaked_memory();
+#endif
+ return ret;
+}
+
+/*******************************************************************
+ * implementation of camera_module functions
+ *******************************************************************/
+
+/* open device handle to one of the cameras
+ *
+ * assume camera service will keep singleton of each camera
+ * so this function will always only be called once per camera instance
+ */
+
+int camera_device_open(const hw_module_t* module, const char* name,
+ hw_device_t** device)
+{
+ int rv = -EINVAL;
+ int num_cameras = 0;
+ int cameraid;
+ ti_camera_device_t* camera_device = NULL;
+ camera_device_ops_t* camera_ops = NULL;
+ android::CameraHal* camera = NULL;
+ android::CameraProperties::Properties* properties = NULL;
+
+ LOGI("camera_device open");
+
+ if (name != NULL) {
+ cameraid = atoi(name);
+ num_cameras = gCameraProperties.camerasSupported();
+
+ if(cameraid > num_cameras)
+ {
+ LOGE("camera service provided cameraid out of bounds, "
+ "cameraid = %d, num supported = %d",
+ cameraid, num_cameras);
+ goto fail;
+ }
+
+ camera_device = (ti_camera_device_t*)malloc(sizeof(*camera_device));
+ if(!camera_device)
+ {
+ LOGE("camera_device allocation fail");
+ rv = -ENOMEM;
+ goto fail;
+ }
+
+ camera_ops = (camera_device_ops_t*)malloc(sizeof(*camera_ops));
+ if(!camera_ops)
+ {
+ LOGE("camera_ops allocation fail");
+ rv = -ENOMEM;
+ goto fail;
+ }
+
+ memset(camera_device, 0, sizeof(*camera_device));
+ memset(camera_ops, 0, sizeof(*camera_ops));
+
+ camera_device->base.common.tag = HARDWARE_DEVICE_TAG;
+ camera_device->base.common.version = 0;
+ camera_device->base.common.module = (hw_module_t *)(module);
+ camera_device->base.common.close = camera_device_close;
+ camera_device->base.ops = camera_ops;
+
+ camera_ops->set_preview_window = camera_set_preview_window;
+ camera_ops->set_callbacks = camera_set_callbacks;
+ camera_ops->enable_msg_type = camera_enable_msg_type;
+ camera_ops->disable_msg_type = camera_disable_msg_type;
+ camera_ops->msg_type_enabled = camera_msg_type_enabled;
+ camera_ops->start_preview = camera_start_preview;
+ camera_ops->stop_preview = camera_stop_preview;
+ camera_ops->preview_enabled = camera_preview_enabled;
+ camera_ops->store_meta_data_in_buffers = camera_store_meta_data_in_buffers;
+ camera_ops->start_recording = camera_start_recording;
+ camera_ops->stop_recording = camera_stop_recording;
+ camera_ops->recording_enabled = camera_recording_enabled;
+ camera_ops->release_recording_frame = camera_release_recording_frame;
+ camera_ops->auto_focus = camera_auto_focus;
+ camera_ops->cancel_auto_focus = camera_cancel_auto_focus;
+ camera_ops->take_picture = camera_take_picture;
+ camera_ops->cancel_picture = camera_cancel_picture;
+ camera_ops->set_parameters = camera_set_parameters;
+ camera_ops->get_parameters = camera_get_parameters;
+ camera_ops->put_parameters = camera_put_parameters;
+ camera_ops->send_command = camera_send_command;
+ camera_ops->release = camera_release;
+ camera_ops->dump = camera_dump;
+
+ *device = &camera_device->base.common;
+
+ // -------- TI specific stuff --------
+
+ camera_device->cameraid = cameraid;
+
+ if(gCameraProperties.getProperties(cameraid, &properties) < 0)
+ {
+ LOGE("Couldn't get camera properties");
+ rv = -ENOMEM;
+ goto fail;
+ }
+
+ camera = new android::CameraHal(cameraid);
+
+ if(!camera)
+ {
+ LOGE("Couldn't create instance of CameraHal class");
+ rv = -ENOMEM;
+ goto fail;
+ }
+
+ if(properties && (camera->initialize(properties) != android::NO_ERROR))
+ {
+ LOGE("Couldn't initialize camera instance");
+ rv = -ENODEV;
+ goto fail;
+ }
+
+ gCameraHals[cameraid] = camera;
+ }
+
+ return rv;
+
+fail:
+
+ if(camera_device)
+ free(camera_device);
+ if(camera_ops)
+ free(camera_ops);
+ if(camera)
+ delete camera;
+
+ return rv;
+}
+
+int camera_get_number_of_cameras(void)
+{
+ int num_cameras = MAX_CAMERAS_SUPPORTED;
+
+ // TODO(XXX): Ducati is not loaded yet when camera service gets here
+ // Lets revisit this later to see if we can somehow get this working
+#if 0
+ // this going to be the first call from camera service
+ // initialize camera properties here...
+ if(gCameraProperties.initialize() != android::NO_ERROR)
+ {
+ CAMHAL_LOGEA("Unable to create or initialize CameraProperties");
+ return NULL;
+ }
+
+ num_cameras = gCameraProperties.camerasSupported();
+#endif
+
+ return num_cameras;
+}
+
+int camera_get_camera_info(int camera_id, struct camera_info *info)
+{
+ int rv = 0;
+ int face_value = CAMERA_FACING_BACK;
+ int orientation = 0;
+ const char *valstr = NULL;
+ android::CameraProperties::Properties* properties = NULL;
+
+ // this going to be the first call from camera service
+ // initialize camera properties here...
+ if(gCameraProperties.initialize() != android::NO_ERROR)
+ {
+ CAMHAL_LOGEA("Unable to create or initialize CameraProperties");
+ return NULL;
+ }
+
+ //Get camera properties for camera index
+ if(gCameraProperties.getProperties(camera_id, &properties) < 0)
+ {
+ LOGE("Couldn't get camera properties");
+ rv = -EINVAL;
+ goto end;
+ }
+
+ if(properties)
+ {
+ valstr = properties->get(android::CameraProperties::FACING_INDEX);
+ if(valstr != NULL)
+ {
+ if (strcmp(valstr, (const char *) android::TICameraParameters::FACING_FRONT) == 0)
+ {
+ face_value = CAMERA_FACING_FRONT;
+ }
+ else if (strcmp(valstr, (const char *) android::TICameraParameters::FACING_BACK) == 0)
+ {
+ face_value = CAMERA_FACING_BACK;
+ }
+ }
+
+ valstr = properties->get(android::CameraProperties::ORIENTATION_INDEX);
+ if(valstr != NULL)
+ {
+ orientation = atoi(valstr);
+ }
+ }
+ else
+ {
+ CAMHAL_LOGEB("getProperties() returned a NULL property set for Camera id %d", camera_id);
+ }
+
+ info->facing = face_value;
+ info->orientation = orientation;
+
+end:
+ return rv;
+}
+
+
+
+
+
