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      1 /* Copyright (c) 2012-2016, 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_H__
     31 #define __MM_CAMERA_H__
     32 
     33 // System dependencies
     34 #include <poll.h>
     35 
     36 // Camera dependencies
     37 #include "hardware/camera_common.h"
     38 #include "cam_semaphore.h"
     39 #include "mm_camera_interface.h"
     40 #include "mm_camera_shim.h"
     41 
     42 /**********************************************************************************
     43 * Data structure declarations
     44 ***********************************************************************************/
     45 /* num of callbacks allowed for an event type */
     46 #define MM_CAMERA_EVT_ENTRY_MAX 4
     47 /* num of data callbacks allowed in a stream obj */
     48 #define MM_CAMERA_STREAM_BUF_CB_MAX 4
     49 /* num of data poll threads allowed in a channel obj */
     50 #define MM_CAMERA_CHANNEL_POLL_THREAD_MAX 1
     51 
     52 #define MM_CAMERA_DEV_NAME_LEN 32
     53 #define MM_CAMERA_DEV_OPEN_TRIES 20
     54 #define MM_CAMERA_DEV_OPEN_RETRY_SLEEP 20
     55 #define THREAD_NAME_SIZE 15
     56 
     57 /* Future frame idx, large enough to make sure capture
     58 * settings can be applied and small enough to still capture an image */
     59 #define MM_CAMERA_MAX_FUTURE_FRAME_WAIT 100
     60 #define WAIT_TIMEOUT 5
     61 
     62 /*For frame sync */
     63 #define MAX_OBJS_FOR_FRAME_SYNC   4
     64 
     65 /* num of supporting camera*/
     66 #define MM_CAMERA_MAX_AUX_CAMERA 1
     67 
     68 #ifndef TRUE
     69 #define TRUE 1
     70 #endif
     71 
     72 #ifndef FALSE
     73 #define FALSE 0
     74 #endif
     75 
     76 #define ARRAY_SIZE(a) (sizeof(a)/sizeof((a)[0]))
     77 
     78 struct mm_channel;
     79 struct mm_stream;
     80 struct mm_camera_obj;
     81 
     82 typedef int64_t nsecs_t;
     83 
     84 typedef enum
     85 {
     86     MM_CAMERA_CMD_TYPE_DATA_CB,    /* dataB CMD */
     87     MM_CAMERA_CMD_TYPE_EVT_CB,     /* evtCB CMD */
     88     MM_CAMERA_CMD_TYPE_EXIT,       /* EXIT */
     89     MM_CAMERA_CMD_TYPE_REQ_DATA_CB,/* request data */
     90     MM_CAMERA_CMD_TYPE_SUPER_BUF_DATA_CB,    /* superbuf dataB CMD */
     91     MM_CAMERA_CMD_TYPE_CONFIG_NOTIFY, /* configure notify mode */
     92     MM_CAMERA_CMD_TYPE_START_ZSL, /* start zsl snapshot for channel */
     93     MM_CAMERA_CMD_TYPE_STOP_ZSL, /* stop zsl snapshot for channel */
     94     MM_CAMERA_CMD_TYPE_FLUSH_QUEUE, /* flush queue */
     95     MM_CAMERA_CMD_TYPE_GENERAL,  /* general cmd */
     96     MM_CAMERA_CMD_TYPE_MAX
     97 } mm_camera_cmdcb_type_t;
     98 
     99 typedef struct {
    100     uint32_t stream_id;
    101     uint32_t frame_idx;
    102     uint32_t flags;
    103     mm_camera_buf_def_t *buf; /* ref to buf */
    104 } mm_camera_buf_info_t;
    105 
    106 typedef enum {
    107     MM_CAMERA_GENERIC_CMD_TYPE_AE_BRACKETING,
    108     MM_CAMERA_GENERIC_CMD_TYPE_AF_BRACKETING,
    109     MM_CAMERA_GENERIC_CMD_TYPE_FLASH_BRACKETING,
    110     MM_CAMERA_GENERIC_CMD_TYPE_ZOOM_1X,
    111     MM_CAMERA_GENERIC_CMD_TYPE_CAPTURE_SETTING,
    112 } mm_camera_generic_cmd_type_t;
    113 
    114 typedef struct {
    115     mm_camera_generic_cmd_type_t type;
    116     uint32_t payload[32];
    117     union {
    118         cam_capture_frame_config_t frame_config;
    119     };
    120 } mm_camera_generic_cmd_t;
    121 
    122 typedef struct {
    123     uint32_t frame_idx;
    124     cam_stream_type_t stream_type;
    125 } mm_camera_flush_cmd_t;
    126 
    127 typedef struct {
    128     mm_camera_cmdcb_type_t cmd_type;
    129     union {
    130         mm_camera_buf_info_t buf;    /* frame buf if dataCB */
    131         mm_camera_event_t evt;       /* evt if evtCB */
    132         mm_camera_super_buf_t superbuf; /* superbuf if superbuf dataCB*/
    133         mm_camera_req_buf_t req_buf; /* num of buf requested */
    134         mm_camera_flush_cmd_t flush_cmd; /* frame idx boundary for flush superbuf queue*/
    135         mm_camera_super_buf_notify_mode_t notify_mode; /* notification mode */
    136         mm_camera_generic_cmd_t gen_cmd;
    137     } u;
    138 } mm_camera_cmdcb_t;
    139 
    140 typedef void (*mm_camera_cmd_cb_t)(mm_camera_cmdcb_t * cmd_cb, void* user_data);
    141 
    142 typedef struct {
    143     uint8_t is_active;     /*indicates whether thread is active or not */
    144     cam_queue_t cmd_queue; /* cmd queue (queuing dataCB, asyncCB, or exitCMD) */
    145     pthread_t cmd_pid;           /* cmd thread ID */
    146     cam_semaphore_t cmd_sem;     /* semaphore for cmd thread */
    147     cam_semaphore_t sync_sem;     /* semaphore for synchronization with cmd thread */
    148     mm_camera_cmd_cb_t cb;       /* cb for cmd */
    149     void* user_data;             /* user_data for cb */
    150     char threadName[THREAD_NAME_SIZE];
    151 } mm_camera_cmd_thread_t;
    152 
    153 typedef enum {
    154     MM_CAMERA_POLL_TYPE_EVT,
    155     MM_CAMERA_POLL_TYPE_DATA,
    156     MM_CAMERA_POLL_TYPE_MAX
    157 } mm_camera_poll_thread_type_t;
    158 
    159 /* function ptr defined for poll notify CB,
    160  * registered at poll thread with poll fd */
    161 typedef void (*mm_camera_poll_notify_t)(void *user_data);
    162 
    163 typedef struct {
    164     int32_t fd;
    165     mm_camera_poll_notify_t notify_cb;
    166     uint32_t handler;
    167     void* user_data;
    168 } mm_camera_poll_entry_t;
    169 
    170 typedef struct {
    171     mm_camera_poll_thread_type_t poll_type;
    172     /* array to store poll fd and cb info
    173      * for MM_CAMERA_POLL_TYPE_EVT, only index 0 is valid;
    174      * for MM_CAMERA_POLL_TYPE_DATA, depends on valid stream fd */
    175     mm_camera_poll_entry_t poll_entries[MAX_STREAM_NUM_IN_BUNDLE];
    176     int32_t pfds[2];
    177     pthread_t pid;
    178     int32_t state;
    179     int timeoutms;
    180     uint32_t cmd;
    181     struct pollfd poll_fds[MAX_STREAM_NUM_IN_BUNDLE + 1];
    182     uint8_t num_fds;
    183     pthread_mutex_t mutex;
    184     pthread_cond_t cond_v;
    185     int32_t status;
    186     char threadName[THREAD_NAME_SIZE];
    187     //void *my_obj;
    188 } mm_camera_poll_thread_t;
    189 
    190 /* mm_stream */
    191 typedef enum {
    192     MM_STREAM_STATE_NOTUSED = 0,      /* not used */
    193     MM_STREAM_STATE_INITED,           /* inited  */
    194     MM_STREAM_STATE_ACQUIRED,         /* acquired, fd opened  */
    195     MM_STREAM_STATE_CFG,              /* fmt & dim configured */
    196     MM_STREAM_STATE_BUFFED,           /* buf allocated */
    197     MM_STREAM_STATE_REG,              /* buf regged, stream off */
    198     MM_STREAM_STATE_ACTIVE,           /* active */
    199     MM_STREAM_STATE_MAX
    200 } mm_stream_state_type_t;
    201 
    202 typedef enum {
    203     MM_STREAM_EVT_ACQUIRE,
    204     MM_STREAM_EVT_RELEASE,
    205     MM_STREAM_EVT_SET_FMT,
    206     MM_STREAM_EVT_GET_BUF,
    207     MM_STREAM_EVT_PUT_BUF,
    208     MM_STREAM_EVT_REG_BUF,
    209     MM_STREAM_EVT_UNREG_BUF,
    210     MM_STREAM_EVT_START,
    211     MM_STREAM_EVT_STOP,
    212     MM_STREAM_EVT_QBUF,
    213     MM_STREAM_EVT_SET_PARM,
    214     MM_STREAM_EVT_GET_PARM,
    215     MM_STREAM_EVT_DO_ACTION,
    216     MM_STREAM_EVT_GET_QUEUED_BUF_COUNT,
    217     MM_STREAM_EVT_REG_FRAME_SYNC,
    218     MM_STREAM_EVT_TRIGGER_FRAME_SYNC,
    219     MM_STREAM_EVT_SWITCH_STREAM_CB,
    220     MM_STREAM_EVT_MAX
    221 } mm_stream_evt_type_t;
    222 
    223 typedef struct {
    224     mm_camera_buf_notify_t cb;
    225     void *user_data;
    226     /* cb_count = -1: infinite
    227      * cb_count > 0: register only for required times */
    228     int8_t cb_count;
    229     mm_camera_stream_cb_type cb_type;
    230 } mm_stream_data_cb_t;
    231 
    232 typedef struct {
    233     /* buf reference count */
    234     uint8_t buf_refcnt;
    235 
    236     /* This flag is to indicate if after allocation,
    237      * the corresponding buf needs to qbuf into kernel
    238      * (e.g. for preview usecase, display needs to hold two bufs,
    239      * so no need to qbuf these two bufs initially) */
    240     uint8_t initial_reg_flag;
    241 
    242     /* indicate if buf is in kernel(1) or client(0) */
    243     uint8_t in_kernel;
    244     /*indicate if this buffer is mapped to daemon*/
    245     int8_t map_status;
    246 } mm_stream_buf_status_t;
    247 
    248 /*Structure definition to carry frame sync queue details*/
    249 typedef struct {
    250     /*Number of objects to be synced*/
    251     uint8_t num_objs;
    252     /*Object handle to be synced*/
    253     uint32_t bundled_objs[MAX_OBJS_FOR_FRAME_SYNC];
    254     /*Queue*/
    255     cam_queue_t que;
    256 
    257     /*queue attributed*/
    258     /*Number of frames to wait before process unmatched cb*/
    259     uint8_t max_unmatched_frames;
    260 
    261     /*Expected frame for this queue*/
    262     uint32_t expected_frame_id;
    263 
    264     /*Parameter to consider during frame sync*/
    265     mm_camera_super_buf_priority_t priority;
    266 } mm_frame_sync_queue_t;
    267 
    268 /*Structure definition to carry frame sync details*/
    269 typedef struct {
    270     /* flag to indicate if frame sync is active*/
    271     uint8_t is_active;
    272 
    273     /*Frame sync lock. Shared between child and parent stream*/
    274     pthread_mutex_t sync_lock;
    275 
    276     /*Limited number of synced frame request*/
    277     uint32_t num_buf_requested;
    278 
    279     /*Queue to hold super buffers*/
    280     mm_frame_sync_queue_t superbuf_queue;
    281 
    282     /*Callback registered for synced frame*/
    283     mm_camera_buf_notify_t super_buf_notify_cb;
    284 
    285     /*Client data*/
    286     void *user_data;
    287 } mm_frame_sync_t;
    288 
    289 struct mm_stream;
    290 typedef struct mm_stream {
    291     uint32_t my_hdl; /* local stream id */
    292     uint32_t server_stream_id; /* stream id from server */
    293     int32_t fd;
    294     mm_stream_state_type_t state;
    295 
    296     /* stream info*/
    297     cam_stream_info_t *stream_info;
    298 
    299     /* padding info */
    300     cam_padding_info_t padding_info;
    301 
    302     /* offset */
    303     cam_frame_len_offset_t frame_offset;
    304 
    305     pthread_mutex_t cmd_lock; /* lock to protect cmd_thread */
    306     mm_camera_cmd_thread_t cmd_thread;
    307 
    308     /* dataCB registered on this stream obj */
    309     uint8_t is_cb_active;
    310     pthread_mutex_t cb_lock; /* cb lock to protect buf_cb */
    311     mm_stream_data_cb_t buf_cb[MM_CAMERA_STREAM_BUF_CB_MAX];
    312 
    313     /* stream buffer management */
    314     pthread_mutex_t buf_lock;
    315     uint8_t total_buf_cnt; /*Total number of buffer including slave*/
    316     uint8_t buf_num; /* num of buffers for this stream */
    317     uint8_t buf_idx; /* starting buffer index */
    318 
    319     mm_camera_buf_def_t* buf; /* ptr to buf array */
    320     mm_stream_buf_status_t buf_status[CAM_MAX_NUM_BUFS_PER_STREAM]; /* ptr to buf status array */
    321 
    322     uint8_t plane_buf_num; /* num of plane buffers allocated  Used only in Batch mode*/
    323     mm_camera_buf_def_t *plane_buf; /*Pointer to plane buffer array Used only in Batch mode */
    324     int32_t cur_buf_idx; /* Current container buffer active filling. Used only in Batch mode*/
    325     uint8_t cur_bufs_staged; /*Number of plane buf freed by HAL for this usr buf*/
    326 
    327     /* reference to parent channel_obj */
    328     struct mm_channel* ch_obj;
    329 
    330     uint8_t is_bundled; /* flag if stream is bundled */
    331 
    332     /* reference to linked channel_obj */
    333     struct mm_channel* linked_obj;
    334     struct mm_stream * linked_stream; /* original stream */
    335     uint8_t is_linked; /* flag if stream is linked */
    336 
    337     mm_camera_stream_mem_vtbl_t mem_vtbl; /* mem ops tbl */
    338     mm_camera_map_unmap_ops_tbl_t map_ops;
    339 
    340     int8_t queued_buffer_count;
    341 
    342     /*latest timestamp of this stream frame received & last frameID*/
    343     uint32_t prev_frameID;
    344     nsecs_t prev_timestamp;
    345 
    346     /* Need to wait for buffer mapping before stream-on*/
    347     pthread_cond_t buf_cond;
    348 
    349     struct mm_stream *master_str_obj; /*Master stream of this stream*/
    350     uint8_t num_s_cnt;
    351     struct mm_stream *aux_str_obj[MM_CAMERA_MAX_AUX_CAMERA];  /*aux stream of this stream*/
    352     mm_frame_sync_t frame_sync;
    353     uint8_t is_res_shared;
    354 } mm_stream_t;
    355 
    356 /* mm_channel */
    357 typedef enum {
    358     MM_CHANNEL_STATE_NOTUSED = 0,   /* not used */
    359     MM_CHANNEL_STATE_STOPPED,       /* stopped */
    360     MM_CHANNEL_STATE_ACTIVE,        /* active, at least one stream active */
    361     MM_CHANNEL_STATE_PAUSED,        /* paused */
    362     MM_CHANNEL_STATE_MAX
    363 } mm_channel_state_type_t;
    364 
    365 typedef enum {
    366     MM_CHANNEL_EVT_ADD_STREAM,
    367     MM_CHANNEL_EVT_DEL_STREAM,
    368     MM_CHANNEL_EVT_LINK_STREAM,
    369     MM_CHANNEL_EVT_CONFIG_STREAM,
    370     MM_CHANNEL_EVT_GET_BUNDLE_INFO,
    371     MM_CHANNEL_EVT_START,
    372     MM_CHANNEL_EVT_STOP,
    373     MM_CHANNEL_EVT_PAUSE,
    374     MM_CHANNEL_EVT_RESUME,
    375     MM_CHANNEL_EVT_REQUEST_SUPER_BUF,
    376     MM_CHANNEL_EVT_CANCEL_REQUEST_SUPER_BUF,
    377     MM_CHANNEL_EVT_FLUSH_SUPER_BUF_QUEUE,
    378     MM_CHANNEL_EVT_CONFIG_NOTIFY_MODE,
    379     MM_CHANNEL_EVT_START_ZSL_SNAPSHOT,
    380     MM_CHANNEL_EVT_STOP_ZSL_SNAPSHOT,
    381     MM_CHANNEL_EVT_MAP_STREAM_BUF,
    382     MM_CHANNEL_EVT_UNMAP_STREAM_BUF,
    383     MM_CHANNEL_EVT_SET_STREAM_PARM,
    384     MM_CHANNEL_EVT_GET_STREAM_PARM,
    385     MM_CHANNEL_EVT_DO_ACTION,
    386     MM_CHANNEL_EVT_DELETE,
    387     MM_CHANNEL_EVT_AF_BRACKETING,
    388     MM_CHANNEL_EVT_AE_BRACKETING,
    389     MM_CHANNEL_EVT_FLASH_BRACKETING,
    390     MM_CHANNEL_EVT_ZOOM_1X,
    391     MM_CAMERA_EVT_CAPTURE_SETTING,
    392     MM_CHANNEL_EVT_GET_STREAM_QUEUED_BUF_COUNT,
    393     MM_CHANNEL_EVT_MAP_STREAM_BUFS,
    394     MM_CHANNEL_EVT_REG_STREAM_BUF_CB,
    395     MM_CHANNEL_EVT_REG_FRAME_SYNC,
    396     MM_CHANNEL_EVT_TRIGGER_FRAME_SYNC,
    397     MM_CHANNEL_EVT_SWITCH_STREAM_CB,
    398 } mm_channel_evt_type_t;
    399 
    400 typedef struct {
    401     uint32_t stream_id;
    402     mm_camera_stream_config_t *config;
    403 } mm_evt_paylod_config_stream_t;
    404 
    405 typedef struct {
    406     uint32_t stream_id;
    407     cam_stream_parm_buffer_t *parms;
    408 } mm_evt_paylod_set_get_stream_parms_t;
    409 
    410 typedef struct {
    411     uint32_t stream_id;
    412     void *actions;
    413 } mm_evt_paylod_do_stream_action_t;
    414 
    415 typedef struct {
    416     uint32_t stream_id;
    417     mm_stream_data_cb_t buf_cb;
    418 } mm_evt_paylod_reg_stream_buf_cb;
    419 
    420 typedef struct {
    421     uint8_t num_of_bufs;
    422     mm_camera_buf_info_t super_buf[MAX_STREAM_NUM_IN_BUNDLE];
    423     uint8_t matched;
    424     uint8_t expected_frame;
    425     uint32_t frame_idx;
    426     /* unmatched meta idx needed in case of low priority queue */
    427     uint32_t unmatched_meta_idx;
    428 } mm_channel_queue_node_t;
    429 
    430 typedef struct {
    431     cam_queue_t que;
    432     uint8_t num_streams;
    433     /* container for bundled stream handlers */
    434     uint32_t bundled_streams[MAX_STREAM_NUM_IN_BUNDLE];
    435     mm_camera_channel_attr_t attr;
    436     uint32_t expected_frame_id;
    437     uint32_t match_cnt;
    438     uint32_t expected_frame_id_without_led;
    439     uint32_t led_on_start_frame_id;
    440     uint32_t led_off_start_frame_id;
    441     uint32_t led_on_num_frames;
    442     uint32_t once;
    443     uint32_t frame_skip_count;
    444     uint32_t good_frame_id;
    445 } mm_channel_queue_t;
    446 
    447 typedef struct {
    448     uint8_t is_active; /* flag to indicate if bundle is valid */
    449     /* queue to store bundled super buffers */
    450     uint8_t is_cb_active;
    451     mm_channel_queue_t superbuf_queue;
    452     mm_camera_buf_notify_t super_buf_notify_cb;
    453     void *user_data;
    454 } mm_channel_bundle_t;
    455 
    456 /* Nodes used for frame sync */
    457 typedef struct {
    458     /* Frame idx */
    459     uint32_t frame_idx;
    460     /* Frame present for corresponding channel*/
    461     uint32_t frame_valid[MAX_NUM_CAMERA_PER_BUNDLE];
    462     /* Frame present in all channels*/
    463     uint32_t matched;
    464 } mm_channel_sync_node_t;
    465 
    466 /* Frame sync information */
    467 typedef struct {
    468     /* Number of camera channels that need to be synced*/
    469     uint8_t num_cam;
    470     /* position of the next node to be updated */
    471     uint8_t pos;
    472     /* circular node array used to store frame information */
    473     mm_channel_sync_node_t node[MM_CAMERA_FRAME_SYNC_NODES];
    474     /* Channel corresponding to each camera */
    475     struct mm_channel *ch_obj[MAX_NUM_CAMERA_PER_BUNDLE];
    476     /* Cb corresponding to each camera */
    477     mm_camera_buf_notify_t cb[MAX_NUM_CAMERA_PER_BUNDLE];
    478 } mm_channel_frame_sync_info_t;
    479 
    480 /* Node information for multiple superbuf callbacks
    481 *  This can be used to batch nodes before sending to upper layer */
    482 typedef struct {
    483     /* Number of nodes to be sent*/
    484     uint8_t num_nodes;
    485     /* queue node information*/
    486     mm_channel_queue_node_t *node[MAX_NUM_CAMERA_PER_BUNDLE];
    487     /* channel information*/
    488     struct mm_channel *ch_obj[MAX_NUM_CAMERA_PER_BUNDLE];
    489 } mm_channel_node_info_t;
    490 
    491 typedef enum {
    492     MM_CHANNEL_BRACKETING_STATE_OFF,
    493     MM_CHANNEL_BRACKETING_STATE_WAIT_GOOD_FRAME_IDX,
    494     MM_CHANNEL_BRACKETING_STATE_ACTIVE,
    495 } mm_channel_bracketing_state_t;
    496 
    497 struct mm_channel;
    498 typedef struct mm_channel {
    499     uint32_t my_hdl;
    500     mm_channel_state_type_t state;
    501     pthread_mutex_t ch_lock; /* channel lock */
    502 
    503     /* stream bundle info in the channel */
    504     mm_channel_bundle_t bundle;
    505 
    506     /* num of pending suferbuffers */
    507     uint32_t pending_cnt;
    508     uint32_t pending_retro_cnt;
    509     mm_camera_req_buf_type_t req_type;
    510     uint32_t bWaitForPrepSnapshotDone;
    511     uint32_t unLockAEC;
    512     /* num of pending suferbuffers */
    513     uint8_t stopZslSnapshot;
    514 
    515     /* cmd thread for superbuffer dataCB and async stop*/
    516     mm_camera_cmd_thread_t cmd_thread;
    517 
    518     /* cb thread for sending data cb */
    519     mm_camera_cmd_thread_t cb_thread;
    520 
    521     /* data poll thread
    522     * currently one data poll thread per channel
    523     * could extended to support one data poll thread per stream in the channel */
    524     mm_camera_poll_thread_t poll_thread[MM_CAMERA_CHANNEL_POLL_THREAD_MAX];
    525 
    526     /* container for all streams in channel */
    527     mm_stream_t streams[MAX_STREAM_NUM_IN_BUNDLE];
    528 
    529     /* reference to parent cam_obj */
    530     struct mm_camera_obj* cam_obj;
    531 
    532     /* manual zsl snapshot control */
    533     uint8_t manualZSLSnapshot;
    534 
    535     /* control for zsl led */
    536     uint8_t startZSlSnapshotCalled;
    537     uint8_t needLEDFlash;
    538     mm_channel_bracketing_state_t bracketingState;
    539     uint8_t isFlashBracketingEnabled;
    540     uint8_t isZoom1xFrameRequested;
    541     uint32_t burstSnapNum;
    542     char threadName[THREAD_NAME_SIZE];
    543 
    544     /*Buffer diverted*/
    545     uint8_t diverted_frame_id;
    546     uint32_t sessionid;
    547 
    548     /*Frame capture configaration*/
    549     uint8_t isConfigCapture;
    550     uint8_t cur_capture_idx;
    551     uint32_t capture_frame_id[MAX_CAPTURE_BATCH_NUM];
    552     cam_capture_frame_config_t frameConfig;
    553     uint8_t needLowLightZSL;
    554 
    555     /*Capture based on index*/
    556     uint8_t cur_req_idx;
    557     uint8_t frame_req_cnt;
    558     uint32_t requested_frame_id[MAX_CAPTURE_BATCH_NUM];
    559 
    560     /*For channel frame sync*/
    561     mm_frame_sync_t frame_sync;
    562 
    563     /*Multiple camera's*/
    564     struct mm_channel *master_ch_obj; /*Master channel of this channel*/
    565     uint8_t num_s_cnt;
    566     struct mm_channel *aux_ch_obj[MM_CAMERA_MAX_AUX_CAMERA];  /*Slave channel of this channel*/
    567 } mm_channel_t;
    568 
    569 typedef struct {
    570     mm_channel_t *ch;
    571     uint32_t stream_id;
    572 } mm_camera_stream_link_t;
    573 
    574 /* struct to store information about pp cookie*/
    575 typedef struct {
    576     uint32_t cam_hdl;
    577     uint32_t ch_hdl;
    578     uint32_t stream_hdl;
    579     mm_channel_queue_node_t* super_buf;
    580 } mm_channel_pp_info_t;
    581 
    582 /* mm_camera */
    583 typedef struct {
    584     mm_camera_event_notify_t evt_cb;
    585     void *user_data;
    586 } mm_camera_evt_entry_t;
    587 
    588 typedef struct {
    589     mm_camera_evt_entry_t evt[MM_CAMERA_EVT_ENTRY_MAX];
    590     /* reg_count <=0: infinite
    591      * reg_count > 0: register only for required times */
    592     int reg_count;
    593 } mm_camera_evt_obj_t;
    594 
    595 struct mm_camera_obj;
    596 typedef struct mm_camera_obj {
    597     uint32_t my_hdl;
    598     int ref_count;
    599     int32_t ctrl_fd;
    600     int32_t ds_fd; /* domain socket fd */
    601     pthread_mutex_t cam_lock;
    602     pthread_mutex_t cb_lock; /* lock for evt cb */
    603     mm_channel_t ch[MM_CAMERA_CHANNEL_MAX];
    604     mm_camera_evt_obj_t evt;
    605     mm_camera_poll_thread_t evt_poll_thread; /* evt poll thread */
    606     mm_camera_cmd_thread_t evt_thread;       /* thread for evt CB */
    607     mm_camera_vtbl_t vtbl;
    608 
    609     pthread_mutex_t evt_lock;
    610     pthread_cond_t evt_cond;
    611     mm_camera_event_t evt_rcvd;
    612 
    613     pthread_mutex_t msg_lock; /* lock for sending msg through socket */
    614     uint32_t sessionid; /* Camera server session id */
    615 
    616     uint8_t my_num;          /*this camera position in multi mode*/
    617     pthread_mutex_t muxer_lock;
    618     struct mm_camera_obj *master_cam_obj; /*Master Camera of this camera*/
    619     uint8_t num_s_cnt;
    620     struct mm_camera_obj *aux_cam_obj[MM_CAMERA_MAX_AUX_CAMERA];  /*Slave Camera of this camera*/
    621 } mm_camera_obj_t;
    622 
    623 typedef struct {
    624     int8_t num_cam;
    625     mm_camera_shim_ops_t cam_shim_ops;
    626     char video_dev_name[MM_CAMERA_MAX_NUM_SENSORS][MM_CAMERA_DEV_NAME_LEN];
    627     mm_camera_obj_t *cam_obj[MM_CAMERA_MAX_NUM_SENSORS];
    628     struct camera_info info[MM_CAMERA_MAX_NUM_SENSORS];
    629     cam_sync_type_t cam_type[MM_CAMERA_MAX_NUM_SENSORS];
    630     cam_sync_mode_t cam_mode[MM_CAMERA_MAX_NUM_SENSORS];
    631     uint8_t is_yuv[MM_CAMERA_MAX_NUM_SENSORS]; // 1=CAM_SENSOR_YUV, 0=CAM_SENSOR_RAW
    632     uint32_t cam_index[MM_CAMERA_MAX_NUM_SENSORS]; //Actual cam index are stored in bits
    633 } mm_camera_ctrl_t;
    634 
    635 typedef enum {
    636     mm_camera_async_call,
    637     mm_camera_sync_call
    638 } mm_camera_call_type_t;
    639 
    640 /*internal structure for registring frame sync*/
    641 typedef struct {
    642     mm_camera_obj_t *a_cam_obj;
    643     uint32_t a_ch_id;
    644     uint32_t a_stream_id;
    645     uint8_t max_unmatched_frames;
    646     mm_camera_buf_notify_t buf_cb;
    647     uint8_t is_res_shared;
    648     mm_camera_super_buf_priority_t priority;
    649     void *userdata;
    650 } mm_camera_frame_sync_t;
    651 
    652 /*Payload for reg frame sync event in MCI*/
    653 typedef struct {
    654     uint32_t stream_id;
    655     mm_channel_t *a_ch_obj;
    656     mm_stream_t *a_str_obj;
    657     mm_camera_frame_sync_t *sync_attr;
    658 } mm_evt_paylod_reg_frame_sync;
    659 
    660 /*Payload for strart/stop frame sync event in MCI*/
    661 typedef struct {
    662     uint32_t stream_id;
    663     uint8_t enable_frame_sync;
    664 } mm_evt_paylod_trigger_frame_sync;
    665 
    666 /**********************************************************************************
    667 * external function declare
    668 ***********************************************************************************/
    669 /* utility functions */
    670 /* set int32_t value */
    671 extern int32_t mm_camera_util_s_ctrl(mm_camera_obj_t *my_obj,
    672         int stream_id, int32_t fd, uint32_t id, int32_t *value);
    673 
    674 /* get int32_t value */
    675 extern int32_t mm_camera_util_g_ctrl(mm_camera_obj_t *my_obj,
    676         int stream_id, int32_t fd, uint32_t id, int32_t *value);
    677 
    678 /* send msg throught domain socket for fd mapping */
    679 extern int32_t mm_camera_util_sendmsg(mm_camera_obj_t *my_obj,
    680                                       void *msg,
    681                                       size_t buf_size,
    682                                       int sendfd);
    683 
    684 /* send msg through domain socket for bundled fd mapping */
    685 extern int32_t mm_camera_util_bundled_sendmsg(mm_camera_obj_t *my_obj,
    686                                               void *msg,
    687                                               size_t buf_size,
    688                                               int sendfds[CAM_MAX_NUM_BUFS_PER_STREAM],
    689                                               int numfds);
    690 
    691 /* Check if hardware target is A family */
    692 uint8_t mm_camera_util_chip_is_a_family(void);
    693 
    694 /* mm-camera */
    695 extern int32_t mm_camera_open(mm_camera_obj_t *my_obj);
    696 extern int32_t mm_camera_close(mm_camera_obj_t *my_obj);
    697 extern int32_t mm_camera_register_event_notify(mm_camera_obj_t *my_obj,
    698                                                mm_camera_event_notify_t evt_cb,
    699                                                void * user_data);
    700 extern int32_t mm_camera_qbuf(mm_camera_obj_t *my_obj,
    701                               uint32_t ch_id,
    702                               mm_camera_buf_def_t *buf);
    703 extern int32_t mm_camera_get_queued_buf_count(mm_camera_obj_t *my_obj,
    704         uint32_t ch_id, uint32_t stream_id);
    705 extern int32_t mm_camera_query_capability(mm_camera_obj_t *my_obj);
    706 extern int32_t mm_camera_set_parms(mm_camera_obj_t *my_obj,
    707                                    parm_buffer_t *parms);
    708 extern int32_t mm_camera_get_parms(mm_camera_obj_t *my_obj,
    709                                    parm_buffer_t *parms);
    710 extern int32_t mm_camera_map_buf(mm_camera_obj_t *my_obj,
    711                                  uint8_t buf_type,
    712                                  int fd,
    713                                  size_t size,
    714                                  void *buffer);
    715 extern int32_t mm_camera_map_bufs(mm_camera_obj_t *my_obj,
    716                                   const cam_buf_map_type_list *buf_map_list);
    717 extern int32_t mm_camera_unmap_buf(mm_camera_obj_t *my_obj,
    718                                    uint8_t buf_type);
    719 extern int32_t mm_camera_do_auto_focus(mm_camera_obj_t *my_obj);
    720 extern int32_t mm_camera_cancel_auto_focus(mm_camera_obj_t *my_obj);
    721 extern int32_t mm_camera_prepare_snapshot(mm_camera_obj_t *my_obj,
    722                                           int32_t do_af_flag);
    723 extern int32_t mm_camera_start_zsl_snapshot(mm_camera_obj_t *my_obj);
    724 extern int32_t mm_camera_stop_zsl_snapshot(mm_camera_obj_t *my_obj);
    725 extern int32_t mm_camera_flush(mm_camera_obj_t *my_obj);
    726 extern int32_t mm_camera_start_zsl_snapshot_ch(mm_camera_obj_t *my_obj,
    727         uint32_t ch_id);
    728 extern int32_t mm_camera_stop_zsl_snapshot_ch(mm_camera_obj_t *my_obj,
    729         uint32_t ch_id);
    730 extern uint32_t mm_camera_add_channel(mm_camera_obj_t *my_obj,
    731                                       mm_camera_channel_attr_t *attr,
    732                                       mm_camera_buf_notify_t channel_cb,
    733                                       void *userdata);
    734 extern int32_t mm_camera_del_channel(mm_camera_obj_t *my_obj,
    735                                      uint32_t ch_id);
    736 extern int32_t mm_camera_get_bundle_info(mm_camera_obj_t *my_obj,
    737                                          uint32_t ch_id,
    738                                          cam_bundle_config_t *bundle_info);
    739 extern uint32_t mm_camera_add_stream(mm_camera_obj_t *my_obj,
    740                                      uint32_t ch_id);
    741 extern int32_t mm_camera_del_stream(mm_camera_obj_t *my_obj,
    742                                     uint32_t ch_id,
    743                                     uint32_t stream_id);
    744 extern uint32_t mm_camera_link_stream(mm_camera_obj_t *my_obj,
    745         uint32_t ch_id,
    746         uint32_t stream_id,
    747         uint32_t linked_ch_id);
    748 
    749 extern int32_t mm_camera_reg_stream_buf_cb(mm_camera_obj_t *my_obj,
    750         uint32_t ch_id, uint32_t stream_id, mm_camera_buf_notify_t buf_cb,
    751         mm_camera_stream_cb_type cb_type, void *userdata);
    752 extern int32_t mm_camera_config_stream(mm_camera_obj_t *my_obj,
    753                                        uint32_t ch_id,
    754                                        uint32_t stream_id,
    755                                        mm_camera_stream_config_t *config);
    756 extern int32_t mm_camera_start_channel(mm_camera_obj_t *my_obj,
    757                                        uint32_t ch_id);
    758 extern int32_t mm_camera_stop_channel(mm_camera_obj_t *my_obj,
    759                                       uint32_t ch_id);
    760 extern int32_t mm_camera_request_super_buf(mm_camera_obj_t *my_obj,
    761         uint32_t ch_id, mm_camera_req_buf_t *buf);
    762 extern int32_t mm_camera_cancel_super_buf_request(mm_camera_obj_t *my_obj,
    763                                                   uint32_t ch_id);
    764 extern int32_t mm_camera_flush_super_buf_queue(mm_camera_obj_t *my_obj,
    765                                                uint32_t ch_id,
    766                                                uint32_t frame_idx);
    767 extern int32_t mm_camera_config_channel_notify(mm_camera_obj_t *my_obj,
    768                                                uint32_t ch_id,
    769                                                mm_camera_super_buf_notify_mode_t notify_mode);
    770 extern int32_t mm_camera_set_stream_parms(mm_camera_obj_t *my_obj,
    771                                           uint32_t ch_id,
    772                                           uint32_t s_id,
    773                                           cam_stream_parm_buffer_t *parms);
    774 extern int32_t mm_camera_get_stream_parms(mm_camera_obj_t *my_obj,
    775                                           uint32_t ch_id,
    776                                           uint32_t s_id,
    777                                           cam_stream_parm_buffer_t *parms);
    778 extern int32_t mm_camera_register_event_notify_internal(mm_camera_obj_t *my_obj,
    779                                                         mm_camera_event_notify_t evt_cb,
    780                                                         void * user_data);
    781 extern int32_t mm_camera_map_stream_buf(mm_camera_obj_t *my_obj,
    782                                         uint32_t ch_id,
    783                                         uint32_t stream_id,
    784                                         uint8_t buf_type,
    785                                         uint32_t buf_idx,
    786                                         int32_t plane_idx,
    787                                         int fd,
    788                                         size_t size,
    789                                         void *buffer);
    790 extern int32_t mm_camera_map_stream_bufs(mm_camera_obj_t *my_obj,
    791                                          uint32_t ch_id,
    792                                          const cam_buf_map_type_list *buf_map_list);
    793 extern int32_t mm_camera_unmap_stream_buf(mm_camera_obj_t *my_obj,
    794                                           uint32_t ch_id,
    795                                           uint32_t stream_id,
    796                                           uint8_t buf_type,
    797                                           uint32_t buf_idx,
    798                                           int32_t plane_idx);
    799 extern int32_t mm_camera_do_stream_action(mm_camera_obj_t *my_obj,
    800                                           uint32_t ch_id,
    801                                           uint32_t stream_id,
    802                                           void *actions);
    803 extern int32_t mm_camera_get_session_id(mm_camera_obj_t *my_obj,
    804                                         uint32_t* sessionid);
    805 extern int32_t mm_camera_sync_related_sensors(mm_camera_obj_t *my_obj,
    806                                    cam_sync_related_sensors_event_info_t *parms);
    807 extern int32_t mm_camera_reg_frame_sync(mm_camera_obj_t *my_obj,
    808         uint32_t ch_id, uint32_t stream_id,
    809         mm_camera_frame_sync_t *sync_attr);
    810 extern int32_t mm_camera_start_frame_sync(mm_camera_obj_t *my_obj,
    811         uint32_t ch_id, uint32_t stream_id);
    812 extern int32_t mm_camera_stop_frame_sync(mm_camera_obj_t *my_obj,
    813         uint32_t ch_id, uint32_t stream_id);
    814 extern int32_t mm_camera_switch_stream_cb(mm_camera_obj_t *my_obj,
    815         uint32_t ch_id, uint32_t stream_id);
    816 
    817 
    818 /* mm_channel */
    819 extern int32_t mm_channel_fsm_fn(mm_channel_t *my_obj,
    820                                  mm_channel_evt_type_t evt,
    821                                  void * in_val,
    822                                  void * out_val);
    823 extern int32_t mm_channel_init(mm_channel_t *my_obj,
    824                                mm_camera_channel_attr_t *attr,
    825                                mm_camera_buf_notify_t channel_cb,
    826                                void *userdata);
    827 /* qbuf is a special case that not going through state machine.
    828  * This is to avoid deadlock when trying to aquire ch_lock,
    829  * from the context of dataCB, but async stop is holding ch_lock */
    830 extern int32_t mm_channel_qbuf(mm_channel_t *my_obj,
    831                                mm_camera_buf_def_t *buf);
    832 /* mm_stream */
    833 extern int32_t mm_stream_fsm_fn(mm_stream_t *my_obj,
    834                                 mm_stream_evt_type_t evt,
    835                                 void * in_val,
    836                                 void * out_val);
    837 /* Function to register special callback for stream buffer*/
    838 extern int32_t mm_stream_reg_buf_cb(mm_stream_t *my_obj,
    839         mm_stream_data_cb_t val);
    840 extern int32_t mm_stream_map_buf(mm_stream_t *my_obj,
    841                                  uint8_t buf_type,
    842                                  uint32_t frame_idx,
    843                                  int32_t plane_idx,
    844                                  int fd,
    845                                  size_t size,
    846                                  void *buffer);
    847 extern int32_t mm_stream_map_bufs(mm_stream_t *my_obj,
    848                                   const cam_buf_map_type_list *buf_map_list);
    849 extern int32_t mm_stream_unmap_buf(mm_stream_t *my_obj,
    850                                    uint8_t buf_type,
    851                                    uint32_t frame_idx,
    852                                    int32_t plane_idx);
    853 
    854 /* utiltity fucntion declared in mm-camera-inteface2.c
    855  * and need be used by mm-camera and below*/
    856 uint32_t mm_camera_util_generate_handler(uint8_t index);
    857 const char *mm_camera_util_get_dev_name(uint32_t cam_handler);
    858 uint8_t mm_camera_util_get_index_by_handler(uint32_t handler);
    859 
    860 /* poll/cmd thread functions */
    861 extern int32_t mm_camera_poll_thread_launch(
    862                                 mm_camera_poll_thread_t * poll_cb,
    863                                 mm_camera_poll_thread_type_t poll_type);
    864 extern int32_t mm_camera_poll_thread_release(mm_camera_poll_thread_t *poll_cb);
    865 extern int32_t mm_camera_poll_thread_add_poll_fd(
    866         mm_camera_poll_thread_t * poll_cb, uint8_t idx, uint32_t handler,
    867         int32_t fd, mm_camera_poll_notify_t nofity_cb,
    868         void *userdata, mm_camera_call_type_t);
    869 extern int32_t mm_camera_poll_thread_del_poll_fd(
    870         mm_camera_poll_thread_t * poll_cb, uint8_t idx, uint32_t handler,
    871         mm_camera_call_type_t);
    872 extern int32_t mm_camera_poll_thread_commit_updates(
    873         mm_camera_poll_thread_t * poll_cb);
    874 extern int32_t mm_camera_cmd_thread_launch(
    875                                 mm_camera_cmd_thread_t * cmd_thread,
    876                                 mm_camera_cmd_cb_t cb,
    877                                 void* user_data);
    878 extern int32_t mm_camera_cmd_thread_name(const char* name);
    879 extern int32_t mm_camera_cmd_thread_release(mm_camera_cmd_thread_t * cmd_thread);
    880 
    881 extern int32_t mm_camera_channel_advanced_capture(mm_camera_obj_t *my_obj,
    882         uint32_t ch_id, mm_camera_advanced_capture_t type,
    883         uint32_t trigger, void *in_value);
    884 int32_t mm_camera_enqueue_evt(mm_camera_obj_t *my_obj,
    885                               mm_camera_event_t *event);
    886 int32_t mm_camera_load_shim_lib();
    887 cam_shim_packet_t *mm_camera_create_shim_cmd_packet(cam_shim_cmd_type type,
    888         uint32_t sessionID, void *data);
    889 int32_t mm_camera_destroy_shim_cmd_packet(cam_shim_packet_t *cmd);
    890 int32_t mm_camera_module_event_handler(
    891         uint32_t session_id, cam_event_t *event);
    892 cam_status_t mm_camera_module_open_session(int sessionid,
    893         int (*event_cb)(uint32_t sessionid, cam_event_t *event));
    894 int32_t mm_camera_module_close_session(int session);
    895 int32_t mm_camera_module_send_cmd(cam_shim_packet_t *event);
    896 
    897 #endif /* __MM_CAMERA_H__ */
    898