/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2019, Google Inc. * * camera3_hal.cpp - Android Camera HALv3 module */ #include #include "camera_device.h" #include "camera_hal_manager.h" #include "log.h" using namespace libcamera; LOG_DEFINE_CATEGORY(HAL) static CameraHalManager cameraManager; /*------------------------------------------------------------------------------ * Android Camera HAL callbacks */ static int hal_get_number_of_cameras(void) { return cameraManager.numCameras(); } static int hal_get_camera_info(int id, struct camera_info *info) { return cameraManager.getCameraInfo(id, info); } static int hal_set_callbacks(const camera_module_callbacks_t *callbacks) { return 0; } static int hal_open_legacy(const struct hw_module_t *module, const char *id, uint32_t halVersion, struct hw_device_t **device) { return -ENOSYS; } static int hal_set_torch_mode(const char *camera_id, bool enabled) { return -ENOSYS; } /* * First entry point of the camera HAL module. * * Initialize the HAL but does not open any camera device yet (see hal_dev_open) */ static int hal_init() { LOG(HAL, Info) << "Initialising Android camera HAL"; cameraManager.init(); return 0; } /*------------------------------------------------------------------------------ * Android Camera Device */ static int hal_dev_open(const hw_module_t *module, const char *name, hw_device_t **device) { LOG(HAL, Debug) << "Open camera " << name; int id = atoi(name); CameraDevice *camera = cameraManager.open(id, module); if (!camera) { LOG(HAL, Error) << "Failed to open camera module '" << id << "'"; return -ENODEV; } *device = &camera->camera3Device()->common; return 0; } static struct hw_module_methods_t hal_module_methods = { .open = hal_dev_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 = "libcamera camera HALv3 module", .author = "libcamera", .methods = &hal_module_methods, .dso = nullptr, .reserved = {}, }, .get_number_of_cameras = hal_get_number_of_cameras, .get_camera_info = hal_get_camera_info, .set_callbacks = hal_set_callbacks, .get_vendor_tag_ops = nullptr, .open_legacy = hal_open_legacy, .set_torch_mode = hal_set_torch_mode, .init = hal_init, .reserved = {}, }; ee-run-upstreaming'>pfc/rkisp1-free-run-upstreaming Jacopo Mondi's clone of libcameragit repository hosting on libcamera.org
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