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      1 /* Copyright (c) 2012, 2014, 2016, The Linux Foundation. All rights reserved.
      2  *
      3  * Redistribution and use in source and binary forms, with or without
      4  * modification, are permitted provided that the following conditions are
      5  * met:
      6  *     * Redistributions of source code must retain the above copyright
      7  *       notice, this list of conditions and the following disclaimer.
      8  *     * Redistributions in binary form must reproduce the above
      9  *       copyright notice, this list of conditions and the following
     10  *       disclaimer in the documentation and/or other materials provided
     11  *       with the distribution.
     12  *     * Neither the name of The Linux Foundation nor the names of its
     13  *       contributors may be used to endorse or promote products derived
     14  *       from this software without specific prior written permission.
     15  *
     16  * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
     17  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
     19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
     20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
     23  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     24  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
     25  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
     26  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  *
     28  */
     29 
     30 #ifndef __MM_CAMERA_DBG_H__
     31 #define __MM_CAMERA_DBG_H__
     32 
     33 // System dependencies
     34 #include <log/log.h>
     35 
     36 #ifdef QCAMERA_REDEFINE_LOG
     37 
     38 // Camera dependencies
     39 #include "cam_types.h"
     40 
     41 typedef enum {
     42     CAM_NO_MODULE,
     43     CAM_HAL_MODULE,
     44     CAM_MCI_MODULE,
     45     CAM_JPEG_MODULE,
     46     CAM_LAST_MODULE
     47 } cam_modules_t;
     48 
     49 /* values that persist.camera.global.debug can be set to */
     50 /* all camera modules need to map their internal debug levels to this range */
     51 typedef enum {
     52     CAM_GLBL_DBG_NONE  = 0,
     53     CAM_GLBL_DBG_ERR   = 1,
     54     CAM_GLBL_DBG_WARN  = 2,
     55     CAM_GLBL_DBG_HIGH  = 3,
     56     CAM_GLBL_DBG_DEBUG = 4,
     57     CAM_GLBL_DBG_LOW   = 5,
     58     CAM_GLBL_DBG_INFO  = 6
     59 } cam_global_debug_level_t;
     60 
     61 extern int g_cam_log[CAM_LAST_MODULE][CAM_GLBL_DBG_INFO + 1];
     62 
     63 #define FATAL_IF(cond, ...) LOG_ALWAYS_FATAL_IF(cond, ## __VA_ARGS__)
     64 
     65 #undef CLOGx
     66 #define CLOGx(module, level, fmt, args...)                         \
     67 {\
     68 if (g_cam_log[module][level]) {                                  \
     69   mm_camera_debug_log(module, level, __func__, __LINE__, fmt, ##args); \
     70 }\
     71 }
     72 
     73 #undef CLOGI
     74 #define CLOGI(module, fmt, args...)                \
     75     CLOGx(module, CAM_GLBL_DBG_INFO, fmt, ##args)
     76 #undef CLOGD
     77 #define CLOGD(module, fmt, args...)                \
     78     CLOGx(module, CAM_GLBL_DBG_DEBUG, fmt, ##args)
     79 #undef CLOGL
     80 #define CLOGL(module, fmt, args...)                \
     81     CLOGx(module, CAM_GLBL_DBG_LOW, fmt, ##args)
     82 #undef CLOGW
     83 #define CLOGW(module, fmt, args...)                \
     84     CLOGx(module, CAM_GLBL_DBG_WARN, fmt, ##args)
     85 #undef CLOGH
     86 #define CLOGH(module, fmt, args...)                \
     87     CLOGx(module, CAM_GLBL_DBG_HIGH, fmt, ##args)
     88 #undef CLOGE
     89 #define CLOGE(module, fmt, args...)                \
     90     CLOGx(module, CAM_GLBL_DBG_ERR, fmt, ##args)
     91 
     92 #ifndef CAM_MODULE
     93 #define CAM_MODULE CAM_MCI_MODULE
     94 #endif
     95 
     96 #undef LOGD
     97 #define LOGD(fmt, args...) CLOGD(CAM_MODULE, fmt, ##args)
     98 #undef LOGL
     99 #define LOGL(fmt, args...) CLOGL(CAM_MODULE, fmt, ##args)
    100 #undef LOGW
    101 #define LOGW(fmt, args...) CLOGW(CAM_MODULE, fmt, ##args)
    102 #undef LOGH
    103 #define LOGH(fmt, args...) CLOGH(CAM_MODULE, fmt, ##args)
    104 #undef LOGE
    105 #define LOGE(fmt, args...) CLOGE(CAM_MODULE, fmt, ##args)
    106 #undef LOGI
    107 #define LOGI(fmt, args...) CLOGI(CAM_MODULE, fmt, ##args)
    108 
    109 /* reads and updates camera logging properties */
    110 void mm_camera_set_dbg_log_properties(void);
    111 
    112 /* generic logger function */
    113 void mm_camera_debug_log(const cam_modules_t module,
    114                    const cam_global_debug_level_t level,
    115                    const char *func, const int line, const char *fmt, ...);
    116 
    117 #else
    118 
    119 #undef LOGD
    120 #define LOGD(fmt, args...) ALOGD(fmt, ##args)
    121 #undef LOGL
    122 #define LOGL(fmt, args...) ALOGD(fmt, ##args)
    123 #undef LOGW
    124 #define LOGW(fmt, args...) ALOGW(fmt, ##args)
    125 #undef LOGH
    126 #define LOGH(fmt, args...) ALOGD(fmt, ##args)
    127 #undef LOGE
    128 #define LOGE(fmt, args...) ALOGE(fmt, ##args)
    129 #undef LOGI
    130 #define LOGI(fmt, args...) ALOGV(fmt, ##args)
    131 
    132 #endif
    133 
    134 #endif /* __MM_CAMERA_DBG_H__ */
    135