Iliyan Malchev | 6d01645 | 2013-03-27 16:27:56 -0700 | [diff] [blame] | 1 | /* |
| 2 | ** Copyright (c) 2011 The Linux Foundation. All rights reserved. |
| 3 | ** |
| 4 | ** Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | ** you may not use this file except in compliance with the License. |
| 6 | ** You may obtain a copy of the License at |
| 7 | ** |
| 8 | ** http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | ** |
| 10 | ** Unless required by applicable law or agreed to in writing, software |
| 11 | ** distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | ** See the License for the specific language governing permissions and |
| 14 | ** limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | /*#error uncomment this for compiler test!*/ |
| 18 | |
| 19 | //#define ALOG_NDEBUG 0 |
| 20 | #define ALOG_NIDEBUG 0 |
| 21 | #define LOG_TAG "QCameraHAL" |
| 22 | #include <utils/Log.h> |
| 23 | #include <utils/threads.h> |
| 24 | #include <fcntl.h> |
| 25 | #include <sys/mman.h> |
| 26 | |
| 27 | /* include QCamera Hardware Interface Header*/ |
| 28 | #include "QCameraHAL.h" |
| 29 | |
| 30 | int HAL_numOfCameras = 0; |
| 31 | qcamera_info_t HAL_cameraInfo[MSM_MAX_CAMERA_SENSORS]; |
| 32 | mm_camera_t * HAL_camerahandle[MSM_MAX_CAMERA_SENSORS]; |
| 33 | int HAL_currentCameraMode; |
| 34 | |
| 35 | namespace android { |
| 36 | /* HAL function implementation goes here*/ |
| 37 | |
| 38 | /** |
| 39 | * The functions need to be provided by the camera HAL. |
| 40 | * |
| 41 | * If getNumberOfCameras() returns N, the valid cameraId for getCameraInfo() |
| 42 | * and openCameraHardware() is 0 to N-1. |
| 43 | */ |
| 44 | extern "C" int HAL_getNumberOfCameras() |
| 45 | { |
| 46 | /* try to query every time we get the call!*/ |
| 47 | uint8_t num_camera = 0; |
| 48 | mm_camera_t * handle_base = 0; |
| 49 | ALOGV("%s: E", __func__); |
| 50 | |
| 51 | handle_base= mm_camera_query(&num_camera); |
| 52 | |
| 53 | if (!handle_base) { |
| 54 | HAL_numOfCameras = 0; |
| 55 | } |
| 56 | else |
| 57 | { |
| 58 | qcamera_info_t* p_camera_info = 0; |
| 59 | HAL_numOfCameras=num_camera; |
| 60 | |
| 61 | ALOGI("Handle base =0x%p",handle_base); |
| 62 | ALOGI("getCameraInfo: numOfCameras = %d", HAL_numOfCameras); |
| 63 | for(int i = 0; i < HAL_numOfCameras; i++) { |
| 64 | ALOGI("Handle [%d]=0x%p",i,handle_base+i); |
| 65 | HAL_camerahandle[i]=handle_base + i; |
| 66 | p_camera_info = &(HAL_camerahandle[i]->camera_info); |
| 67 | if (p_camera_info) { |
| 68 | ALOGI("Camera sensor %d info:", i); |
| 69 | ALOGI("camera_id: %d", p_camera_info->camera_id); |
| 70 | ALOGI("modes_supported: %x", p_camera_info->modes_supported); |
| 71 | ALOGI("position: %d", p_camera_info->position); |
| 72 | ALOGI("sensor_mount_angle: %d", p_camera_info->sensor_mount_angle); |
| 73 | } |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | ALOGV("%s: X", __func__); |
| 78 | |
| 79 | return HAL_numOfCameras; |
| 80 | } |
| 81 | |
| 82 | extern "C" int HAL_isIn3DMode() |
| 83 | { |
| 84 | return HAL_currentCameraMode == CAMERA_MODE_3D; |
| 85 | } |
| 86 | |
| 87 | extern "C" void HAL_getCameraInfo(int cameraId, struct CameraInfo* cameraInfo) |
| 88 | { |
| 89 | mm_camera_t *mm_camer_obj = 0; |
| 90 | ALOGV("%s: E", __func__); |
| 91 | |
| 92 | if (!HAL_numOfCameras || HAL_numOfCameras < cameraId || !cameraInfo) |
| 93 | return; |
| 94 | else |
| 95 | mm_camer_obj = HAL_camerahandle[cameraId]; |
| 96 | |
| 97 | if (!mm_camer_obj) |
| 98 | return; |
| 99 | else { |
| 100 | cameraInfo->facing = |
| 101 | (FRONT_CAMERA == mm_camer_obj->camera_info.position)? |
| 102 | CAMERA_FACING_FRONT : CAMERA_FACING_BACK; |
| 103 | |
| 104 | cameraInfo->orientation = mm_camer_obj->camera_info.sensor_mount_angle; |
| 105 | #if 0 |
| 106 | // TODO: fix me |
| 107 | /* We always supprot ZSL in our stack*/ |
| 108 | cameraInfo->mode = CAMERA_SUPPORT_MODE_ZSL; |
| 109 | if (mm_camer_obj->camera_info.modes_supported & CAMERA_MODE_2D) { |
| 110 | cameraInfo->mode |= CAMERA_SUPPORT_MODE_2D; |
| 111 | } |
| 112 | if (mm_camer_obj->camera_info.modes_supported & CAMERA_MODE_3D) { |
| 113 | cameraInfo->mode |= CAMERA_SUPPORT_MODE_3D; |
| 114 | } |
| 115 | #endif |
| 116 | } |
| 117 | ALOGV("%s: X", __func__); |
| 118 | return; |
| 119 | } |
| 120 | |
| 121 | /* HAL should return NULL if it fails to open camera hardware. */ |
| 122 | extern "C" void * HAL_openCameraHardware(int cameraId, int mode) |
| 123 | { |
| 124 | ALOGV("%s: E", __func__); |
| 125 | if (!HAL_numOfCameras || HAL_numOfCameras < cameraId ||cameraId < 0) { |
| 126 | return NULL; |
| 127 | } |
| 128 | return QCameraHAL_openCameraHardware(cameraId, mode); |
| 129 | } |
| 130 | |
| 131 | |
| 132 | }; // namespace android |