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