1/* Copyright (c) 2012-2015, 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#include <cam_semaphore.h>
34
35#include "mm_camera_interface.h"
36#include <hardware/camera.h>
37#include <utils/Timers.h>
38
39/**********************************************************************************
40* Data structure declare
41***********************************************************************************/
42/* num of callbacks allowed for an event type */
43#define MM_CAMERA_EVT_ENTRY_MAX 4
44/* num of data callbacks allowed in a stream obj */
45#define MM_CAMERA_STREAM_BUF_CB_MAX 4
46/* num of data poll threads allowed in a channel obj */
47#define MM_CAMERA_CHANNEL_POLL_THREAD_MAX 1
48
49#define MM_CAMERA_DEV_NAME_LEN 32
50#define MM_CAMERA_DEV_OPEN_TRIES 30
51#define MM_CAMERA_DEV_OPEN_RETRY_SLEEP 20
52#define THREAD_NAME_SIZE 15
53
54#ifndef TRUE
55#define TRUE 1
56#endif
57
58#ifndef FALSE
59#define FALSE 0
60#endif
61
62#define ARRAY_SIZE(a) (sizeof(a)/sizeof((a)[0]))
63
64struct mm_channel;
65struct mm_stream;
66struct mm_camera_obj;
67
68typedef enum
69{
70    MM_CAMERA_CMD_TYPE_DATA_CB,    /* dataB CMD */
71    MM_CAMERA_CMD_TYPE_EVT_CB,     /* evtCB CMD */
72    MM_CAMERA_CMD_TYPE_EXIT,       /* EXIT */
73    MM_CAMERA_CMD_TYPE_REQ_DATA_CB,/* request data */
74    MM_CAMERA_CMD_TYPE_SUPER_BUF_DATA_CB,    /* superbuf dataB CMD */
75    MM_CAMERA_CMD_TYPE_CONFIG_NOTIFY, /* configure notify mode */
76    MM_CAMERA_CMD_TYPE_START_ZSL, /* start zsl snapshot for channel */
77    MM_CAMERA_CMD_TYPE_STOP_ZSL, /* stop zsl snapshot for channel */
78    MM_CAMERA_CMD_TYPE_FLUSH_QUEUE, /* flush queue */
79    MM_CAMERA_CMD_TYPE_GENERAL,  /* general cmd */
80    MM_CAMERA_CMD_TYPE_MAX
81} mm_camera_cmdcb_type_t;
82
83typedef struct {
84    uint32_t stream_id;
85    uint32_t frame_idx;
86    uint32_t flags;
87    mm_camera_buf_def_t *buf; /* ref to buf */
88} mm_camera_buf_info_t;
89
90typedef struct {
91    uint32_t num_buf_requested;
92    uint32_t num_retro_buf_requested;
93} mm_camera_req_buf_t;
94
95typedef enum {
96    MM_CAMERA_GENERIC_CMD_TYPE_AE_BRACKETING,
97    MM_CAMERA_GENERIC_CMD_TYPE_AF_BRACKETING,
98    MM_CAMERA_GENERIC_CMD_TYPE_FLASH_BRACKETING,
99    MM_CAMERA_GENERIC_CMD_TYPE_ZOOM_1X,
100    MM_CAMERA_GENERIC_CMD_TYPE_CAPTURE_SETTING,
101} mm_camera_generic_cmd_type_t;
102
103typedef struct {
104    mm_camera_generic_cmd_type_t type;
105    uint32_t payload[32];
106    union {
107        cam_capture_frame_config_t frame_config;
108    };
109} mm_camera_generic_cmd_t;
110
111typedef struct {
112    mm_camera_cmdcb_type_t cmd_type;
113    union {
114        mm_camera_buf_info_t buf;    /* frame buf if dataCB */
115        mm_camera_event_t evt;       /* evt if evtCB */
116        mm_camera_super_buf_t superbuf; /* superbuf if superbuf dataCB*/
117        mm_camera_req_buf_t req_buf; /* num of buf requested */
118        uint32_t frame_idx; /* frame idx boundary for flush superbuf queue*/
119        mm_camera_super_buf_notify_mode_t notify_mode; /* notification mode */
120        mm_camera_generic_cmd_t gen_cmd;
121    } u;
122} mm_camera_cmdcb_t;
123
124typedef void (*mm_camera_cmd_cb_t)(mm_camera_cmdcb_t * cmd_cb, void* user_data);
125
126typedef struct {
127    cam_queue_t cmd_queue; /* cmd queue (queuing dataCB, asyncCB, or exitCMD) */
128    pthread_t cmd_pid;           /* cmd thread ID */
129    cam_semaphore_t cmd_sem;     /* semaphore for cmd thread */
130    mm_camera_cmd_cb_t cb;       /* cb for cmd */
131    void* user_data;             /* user_data for cb */
132    char threadName[THREAD_NAME_SIZE];
133} mm_camera_cmd_thread_t;
134
135typedef enum {
136    MM_CAMERA_POLL_TYPE_EVT,
137    MM_CAMERA_POLL_TYPE_DATA,
138    MM_CAMERA_POLL_TYPE_MAX
139} mm_camera_poll_thread_type_t;
140
141/* function ptr defined for poll notify CB,
142 * registered at poll thread with poll fd */
143typedef void (*mm_camera_poll_notify_t)(void *user_data);
144
145typedef struct {
146    int32_t fd;
147    mm_camera_poll_notify_t notify_cb;
148    uint32_t handler;
149    void* user_data;
150} mm_camera_poll_entry_t;
151
152typedef struct {
153    mm_camera_poll_thread_type_t poll_type;
154    /* array to store poll fd and cb info
155     * for MM_CAMERA_POLL_TYPE_EVT, only index 0 is valid;
156     * for MM_CAMERA_POLL_TYPE_DATA, depends on valid stream fd */
157    mm_camera_poll_entry_t poll_entries[MAX_STREAM_NUM_IN_BUNDLE];
158    int32_t pfds[2];
159    pthread_t pid;
160    int32_t state;
161    int timeoutms;
162    uint32_t cmd;
163    struct pollfd poll_fds[MAX_STREAM_NUM_IN_BUNDLE + 1];
164    uint8_t num_fds;
165    pthread_mutex_t mutex;
166    pthread_cond_t cond_v;
167    int32_t status;
168    char threadName[THREAD_NAME_SIZE];
169    //void *my_obj;
170} mm_camera_poll_thread_t;
171
172/* mm_stream */
173typedef enum {
174    MM_STREAM_STATE_NOTUSED = 0,      /* not used */
175    MM_STREAM_STATE_INITED,           /* inited  */
176    MM_STREAM_STATE_ACQUIRED,         /* acquired, fd opened  */
177    MM_STREAM_STATE_CFG,              /* fmt & dim configured */
178    MM_STREAM_STATE_BUFFED,           /* buf allocated */
179    MM_STREAM_STATE_REG,              /* buf regged, stream off */
180    MM_STREAM_STATE_ACTIVE,           /* active */
181    MM_STREAM_STATE_MAX
182} mm_stream_state_type_t;
183
184typedef enum {
185    MM_STREAM_EVT_ACQUIRE,
186    MM_STREAM_EVT_RELEASE,
187    MM_STREAM_EVT_SET_FMT,
188    MM_STREAM_EVT_GET_BUF,
189    MM_STREAM_EVT_PUT_BUF,
190    MM_STREAM_EVT_REG_BUF,
191    MM_STREAM_EVT_UNREG_BUF,
192    MM_STREAM_EVT_START,
193    MM_STREAM_EVT_STOP,
194    MM_STREAM_EVT_QBUF,
195    MM_STREAM_EVT_SET_PARM,
196    MM_STREAM_EVT_GET_PARM,
197    MM_STREAM_EVT_DO_ACTION,
198    MM_STREAM_EVT_GET_QUEUED_BUF_COUNT,
199    MM_STREAM_EVT_MAX
200} mm_stream_evt_type_t;
201
202typedef struct {
203    mm_camera_buf_notify_t cb;
204    void *user_data;
205    /* cb_count = -1: infinite
206     * cb_count > 0: register only for required times */
207    int8_t cb_count;
208} mm_stream_data_cb_t;
209
210typedef struct {
211    /* buf reference count */
212    uint8_t buf_refcnt;
213
214    /* This flag is to indicate if after allocation,
215     * the corresponding buf needs to qbuf into kernel
216     * (e.g. for preview usecase, display needs to hold two bufs,
217     * so no need to qbuf these two bufs initially) */
218    uint8_t initial_reg_flag;
219
220    /* indicate if buf is in kernel(1) or client(0) */
221    uint8_t in_kernel;
222} mm_stream_buf_status_t;
223
224typedef struct mm_stream {
225    uint32_t my_hdl; /* local stream id */
226    uint32_t server_stream_id; /* stream id from server */
227    int32_t fd;
228    mm_stream_state_type_t state;
229
230    /* stream info*/
231    cam_stream_info_t *stream_info;
232
233    /* padding info */
234    cam_padding_info_t padding_info;
235
236    /* offset */
237    cam_frame_len_offset_t frame_offset;
238
239    mm_camera_cmd_thread_t cmd_thread;
240
241    /* dataCB registered on this stream obj */
242    pthread_mutex_t cb_lock; /* cb lock to protect buf_cb */
243    mm_stream_data_cb_t buf_cb[MM_CAMERA_STREAM_BUF_CB_MAX];
244
245    /* stream buffer management */
246    pthread_mutex_t buf_lock;
247    uint8_t buf_num; /* num of buffers allocated */
248    mm_camera_buf_def_t* buf; /* ptr to buf array */
249    mm_stream_buf_status_t* buf_status; /* ptr to buf status array */
250
251    uint8_t plane_buf_num; /* num of plane buffers allocated  Used only in Batch mode*/
252    mm_camera_buf_def_t *plane_buf; /*Pointer to plane buffer array Used only in Batch mode */
253    int32_t cur_buf_idx; /* Current container buffer active filling. Used only in Batch mode*/
254    uint8_t cur_bufs_staged; /*Number of plane buf freed by HAL for this usr buf*/
255
256
257    /* reference to parent channel_obj */
258    struct mm_channel* ch_obj;
259
260    uint8_t is_bundled; /* flag if stream is bundled */
261
262    /* reference to linked channel_obj */
263    struct mm_channel* linked_obj;
264    struct mm_stream * linked_stream; /* original stream */
265    uint8_t is_linked; /* flag if stream is linked */
266
267    mm_camera_stream_mem_vtbl_t mem_vtbl; /* mem ops tbl */
268
269    mm_camera_map_unmap_ops_tbl_t map_ops;
270
271    int8_t queued_buffer_count;
272
273    /*latest timestamp of this stream frame received & last frameID*/
274    uint32_t prev_frameID;
275    nsecs_t prev_timestamp;
276} mm_stream_t;
277
278/* mm_channel */
279typedef enum {
280    MM_CHANNEL_STATE_NOTUSED = 0,   /* not used */
281    MM_CHANNEL_STATE_STOPPED,       /* stopped */
282    MM_CHANNEL_STATE_ACTIVE,        /* active, at least one stream active */
283    MM_CHANNEL_STATE_PAUSED,        /* paused */
284    MM_CHANNEL_STATE_MAX
285} mm_channel_state_type_t;
286
287typedef enum {
288    MM_CHANNEL_EVT_ADD_STREAM,
289    MM_CHANNEL_EVT_DEL_STREAM,
290    MM_CHANNEL_EVT_LINK_STREAM,
291    MM_CHANNEL_EVT_CONFIG_STREAM,
292    MM_CHANNEL_EVT_GET_BUNDLE_INFO,
293    MM_CHANNEL_EVT_START,
294    MM_CHANNEL_EVT_STOP,
295    MM_CHANNEL_EVT_PAUSE,
296    MM_CHANNEL_EVT_RESUME,
297    MM_CHANNEL_EVT_REQUEST_SUPER_BUF,
298    MM_CHANNEL_EVT_CANCEL_REQUEST_SUPER_BUF,
299    MM_CHANNEL_EVT_FLUSH_SUPER_BUF_QUEUE,
300    MM_CHANNEL_EVT_CONFIG_NOTIFY_MODE,
301    MM_CHANNEL_EVT_START_ZSL_SNAPSHOT,
302    MM_CHANNEL_EVT_STOP_ZSL_SNAPSHOT,
303    MM_CHANNEL_EVT_MAP_STREAM_BUF,
304    MM_CHANNEL_EVT_UNMAP_STREAM_BUF,
305    MM_CHANNEL_EVT_SET_STREAM_PARM,
306    MM_CHANNEL_EVT_GET_STREAM_PARM,
307    MM_CHANNEL_EVT_DO_STREAM_ACTION,
308    MM_CHANNEL_EVT_DELETE,
309    MM_CHANNEL_EVT_AF_BRACKETING,
310    MM_CHANNEL_EVT_AE_BRACKETING,
311    MM_CHANNEL_EVT_FLASH_BRACKETING,
312    MM_CHANNEL_EVT_ZOOM_1X,
313    MM_CAMERA_EVT_CAPTURE_SETTING,
314    MM_CHANNEL_EVT_GET_STREAM_QUEUED_BUF_COUNT,
315} mm_channel_evt_type_t;
316
317typedef struct {
318    uint32_t stream_id;
319    mm_camera_stream_config_t *config;
320} mm_evt_paylod_config_stream_t;
321
322typedef struct {
323    uint32_t stream_id;
324    cam_stream_parm_buffer_t *parms;
325} mm_evt_paylod_set_get_stream_parms_t;
326
327typedef struct {
328    uint32_t stream_id;
329    void *actions;
330} mm_evt_paylod_do_stream_action_t;
331
332typedef struct {
333    uint32_t stream_id;
334    uint8_t buf_type;
335    uint32_t buf_idx;
336    int32_t plane_idx;
337    int fd;
338    size_t size;
339} mm_evt_paylod_map_stream_buf_t;
340
341typedef struct {
342    uint32_t stream_id;
343    uint8_t buf_type;
344    uint32_t buf_idx;
345    int32_t plane_idx;
346} mm_evt_paylod_unmap_stream_buf_t;
347
348typedef struct {
349    uint8_t num_of_bufs;
350    mm_camera_buf_info_t super_buf[MAX_STREAM_NUM_IN_BUNDLE];
351    uint8_t matched;
352    uint8_t expected;
353    uint32_t frame_idx;
354} mm_channel_queue_node_t;
355
356typedef struct {
357    cam_queue_t que;
358    uint8_t num_streams;
359    /* container for bundled stream handlers */
360    uint32_t bundled_streams[MAX_STREAM_NUM_IN_BUNDLE];
361    mm_camera_channel_attr_t attr;
362    uint32_t expected_frame_id;
363    uint32_t match_cnt;
364    uint32_t expected_frame_id_without_led;
365    uint32_t led_on_start_frame_id;
366    uint32_t led_off_start_frame_id;
367    uint32_t led_on_num_frames;
368    uint32_t once;
369    uint32_t frame_skip_count;
370    uint32_t nomatch_frame_id;
371} mm_channel_queue_t;
372
373typedef struct {
374    uint8_t is_active; /* flag to indicate if bundle is valid */
375    /* queue to store bundled super buffers */
376    mm_channel_queue_t superbuf_queue;
377    mm_camera_buf_notify_t super_buf_notify_cb;
378    void *user_data;
379} mm_channel_bundle_t;
380
381typedef enum {
382    MM_CHANNEL_BRACKETING_STATE_OFF,
383    MM_CHANNEL_BRACKETING_STATE_WAIT_GOOD_FRAME_IDX,
384    MM_CHANNEL_BRACKETING_STATE_ACTIVE,
385} mm_channel_bracketing_state_t;
386
387typedef struct mm_channel {
388    uint32_t my_hdl;
389    mm_channel_state_type_t state;
390    pthread_mutex_t ch_lock; /* channel lock */
391
392    /* stream bundle info in the channel */
393    mm_channel_bundle_t bundle;
394
395    /* num of pending suferbuffers */
396    uint32_t pending_cnt;
397    uint32_t pending_retro_cnt;
398    uint32_t bWaitForPrepSnapshotDone;
399    uint32_t unLockAEC;
400    /* num of pending suferbuffers */
401    uint8_t stopZslSnapshot;
402
403    /* cmd thread for superbuffer dataCB and async stop*/
404    mm_camera_cmd_thread_t cmd_thread;
405
406    /* cb thread for sending data cb */
407    mm_camera_cmd_thread_t cb_thread;
408
409    /* data poll thread
410    * currently one data poll thread per channel
411    * could extended to support one data poll thread per stream in the channel */
412    mm_camera_poll_thread_t poll_thread[MM_CAMERA_CHANNEL_POLL_THREAD_MAX];
413
414    /* container for all streams in channel */
415    mm_stream_t streams[MAX_STREAM_NUM_IN_BUNDLE];
416
417    /* reference to parent cam_obj */
418    struct mm_camera_obj* cam_obj;
419
420    /* manual zsl snapshot control */
421    uint8_t manualZSLSnapshot;
422
423    /* control for zsl led */
424    uint8_t startZSlSnapshotCalled;
425    uint8_t needLEDFlash;
426    mm_channel_bracketing_state_t bracketingState;
427    uint8_t isFlashBracketingEnabled;
428    uint8_t isZoom1xFrameRequested;
429    uint32_t burstSnapNum;
430    char threadName[THREAD_NAME_SIZE];
431
432    /*Buffer diverted*/
433    uint8_t diverted_frame_id;
434
435    /*Frame capture configaration*/
436    uint8_t cur_capture_idx;
437    cam_capture_frame_config_t *frame_config;
438} mm_channel_t;
439
440typedef struct {
441    mm_channel_t *ch;
442    uint32_t stream_id;
443} mm_camera_stream_link_t;
444
445/* struct to store information about pp cookie*/
446typedef struct {
447    uint32_t cam_hdl;
448    uint32_t ch_hdl;
449    uint32_t stream_hdl;
450    mm_channel_queue_node_t* super_buf;
451} mm_channel_pp_info_t;
452
453/* mm_camera */
454typedef struct {
455    mm_camera_event_notify_t evt_cb;
456    void *user_data;
457} mm_camera_evt_entry_t;
458
459typedef struct {
460    mm_camera_evt_entry_t evt[MM_CAMERA_EVT_ENTRY_MAX];
461    /* reg_count <=0: infinite
462     * reg_count > 0: register only for required times */
463    int reg_count;
464} mm_camera_evt_obj_t;
465
466typedef struct mm_camera_obj {
467    uint32_t my_hdl;
468    int ref_count;
469    int32_t ctrl_fd;
470    int32_t ds_fd; /* domain socket fd */
471    pthread_mutex_t cam_lock;
472    pthread_mutex_t cb_lock; /* lock for evt cb */
473    mm_channel_t ch[MM_CAMERA_CHANNEL_MAX];
474    mm_camera_evt_obj_t evt;
475    mm_camera_poll_thread_t evt_poll_thread; /* evt poll thread */
476    mm_camera_cmd_thread_t evt_thread;       /* thread for evt CB */
477    mm_camera_vtbl_t vtbl;
478
479    pthread_mutex_t evt_lock;
480    pthread_cond_t evt_cond;
481    mm_camera_event_t evt_rcvd;
482
483    pthread_mutex_t msg_lock; /* lock for sending msg through socket */
484} mm_camera_obj_t;
485
486typedef struct {
487    int8_t num_cam;
488    char video_dev_name[MM_CAMERA_MAX_NUM_SENSORS][MM_CAMERA_DEV_NAME_LEN];
489    mm_camera_obj_t *cam_obj[MM_CAMERA_MAX_NUM_SENSORS];
490    struct camera_info info[MM_CAMERA_MAX_NUM_SENSORS];
491} mm_camera_ctrl_t;
492
493typedef enum {
494    mm_camera_async_call,
495    mm_camera_sync_call
496} mm_camera_call_type_t;
497
498/**********************************************************************************
499* external function declare
500***********************************************************************************/
501/* utility functions */
502/* set int32_t value */
503extern int32_t mm_camera_util_s_ctrl(int32_t fd,
504                                     uint32_t id,
505                                     int32_t *value);
506
507/* get int32_t value */
508extern int32_t mm_camera_util_g_ctrl(int32_t fd,
509                                     uint32_t id,
510                                     int32_t *value);
511
512/* send msg throught domain socket for fd mapping */
513extern int32_t mm_camera_util_sendmsg(mm_camera_obj_t *my_obj,
514                                      void *msg,
515                                      size_t buf_size,
516                                      int sendfd);
517/* Check if hardware target is A family */
518uint8_t mm_camera_util_chip_is_a_family(void);
519
520/* mm-camera */
521extern int32_t mm_camera_open(mm_camera_obj_t *my_obj);
522extern int32_t mm_camera_close(mm_camera_obj_t *my_obj);
523extern int32_t mm_camera_close_fd(mm_camera_obj_t *my_obj);
524extern int32_t mm_camera_register_event_notify(mm_camera_obj_t *my_obj,
525                                               mm_camera_event_notify_t evt_cb,
526                                               void * user_data);
527extern int32_t mm_camera_qbuf(mm_camera_obj_t *my_obj,
528                              uint32_t ch_id,
529                              mm_camera_buf_def_t *buf);
530extern int32_t mm_camera_get_queued_buf_count(mm_camera_obj_t *my_obj,
531        uint32_t ch_id, uint32_t stream_id);
532extern int32_t mm_camera_query_capability(mm_camera_obj_t *my_obj);
533extern int32_t mm_camera_set_parms(mm_camera_obj_t *my_obj,
534                                   parm_buffer_t *parms);
535extern int32_t mm_camera_get_parms(mm_camera_obj_t *my_obj,
536                                   parm_buffer_t *parms);
537extern int32_t mm_camera_map_buf(mm_camera_obj_t *my_obj,
538                                 uint8_t buf_type,
539                                 int fd,
540                                 size_t size);
541extern int32_t mm_camera_unmap_buf(mm_camera_obj_t *my_obj,
542                                   uint8_t buf_type);
543extern int32_t mm_camera_do_auto_focus(mm_camera_obj_t *my_obj);
544extern int32_t mm_camera_cancel_auto_focus(mm_camera_obj_t *my_obj);
545extern int32_t mm_camera_prepare_snapshot(mm_camera_obj_t *my_obj,
546                                          int32_t do_af_flag);
547extern int32_t mm_camera_start_zsl_snapshot(mm_camera_obj_t *my_obj);
548extern int32_t mm_camera_stop_zsl_snapshot(mm_camera_obj_t *my_obj);
549extern int32_t mm_camera_start_zsl_snapshot_ch(mm_camera_obj_t *my_obj,
550        uint32_t ch_id);
551extern int32_t mm_camera_stop_zsl_snapshot_ch(mm_camera_obj_t *my_obj,
552        uint32_t ch_id);
553extern uint32_t mm_camera_add_channel(mm_camera_obj_t *my_obj,
554                                      mm_camera_channel_attr_t *attr,
555                                      mm_camera_buf_notify_t channel_cb,
556                                      void *userdata);
557extern int32_t mm_camera_del_channel(mm_camera_obj_t *my_obj,
558                                     uint32_t ch_id);
559extern int32_t mm_camera_get_bundle_info(mm_camera_obj_t *my_obj,
560                                         uint32_t ch_id,
561                                         cam_bundle_config_t *bundle_info);
562extern uint32_t mm_camera_add_stream(mm_camera_obj_t *my_obj,
563                                     uint32_t ch_id);
564extern int32_t mm_camera_del_stream(mm_camera_obj_t *my_obj,
565                                    uint32_t ch_id,
566                                    uint32_t stream_id);
567extern uint32_t mm_camera_link_stream(mm_camera_obj_t *my_obj,
568        uint32_t ch_id,
569        uint32_t stream_id,
570        uint32_t linked_ch_id);
571extern int32_t mm_camera_config_stream(mm_camera_obj_t *my_obj,
572                                       uint32_t ch_id,
573                                       uint32_t stream_id,
574                                       mm_camera_stream_config_t *config);
575extern int32_t mm_camera_start_channel(mm_camera_obj_t *my_obj,
576                                       uint32_t ch_id);
577extern int32_t mm_camera_stop_channel(mm_camera_obj_t *my_obj,
578                                      uint32_t ch_id);
579extern int32_t mm_camera_request_super_buf(mm_camera_obj_t *my_obj,
580                                           uint32_t ch_id,
581                                           uint32_t num_buf_requested,
582                                           uint32_t num_retro_buf_requested);
583extern int32_t mm_camera_cancel_super_buf_request(mm_camera_obj_t *my_obj,
584                                                  uint32_t ch_id);
585extern int32_t mm_camera_flush_super_buf_queue(mm_camera_obj_t *my_obj,
586                                               uint32_t ch_id,
587                                               uint32_t frame_idx);
588extern int32_t mm_camera_config_channel_notify(mm_camera_obj_t *my_obj,
589                                               uint32_t ch_id,
590                                               mm_camera_super_buf_notify_mode_t notify_mode);
591extern int32_t mm_camera_set_stream_parms(mm_camera_obj_t *my_obj,
592                                          uint32_t ch_id,
593                                          uint32_t s_id,
594                                          cam_stream_parm_buffer_t *parms);
595extern int32_t mm_camera_get_stream_parms(mm_camera_obj_t *my_obj,
596                                          uint32_t ch_id,
597                                          uint32_t s_id,
598                                          cam_stream_parm_buffer_t *parms);
599extern int32_t mm_camera_register_event_notify_internal(mm_camera_obj_t *my_obj,
600                                                        mm_camera_event_notify_t evt_cb,
601                                                        void * user_data);
602extern int32_t mm_camera_map_stream_buf(mm_camera_obj_t *my_obj,
603                                        uint32_t ch_id,
604                                        uint32_t stream_id,
605                                        uint8_t buf_type,
606                                        uint32_t buf_idx,
607                                        int32_t plane_idx,
608                                        int fd,
609                                        size_t size);
610extern int32_t mm_camera_unmap_stream_buf(mm_camera_obj_t *my_obj,
611                                          uint32_t ch_id,
612                                          uint32_t stream_id,
613                                          uint8_t buf_type,
614                                          uint32_t buf_idx,
615                                          int32_t plane_idx);
616extern int32_t mm_camera_do_stream_action(mm_camera_obj_t *my_obj,
617                                          uint32_t ch_id,
618                                          uint32_t stream_id,
619                                          void *actions);
620
621/* mm_channel */
622extern int32_t mm_channel_fsm_fn(mm_channel_t *my_obj,
623                                 mm_channel_evt_type_t evt,
624                                 void * in_val,
625                                 void * out_val);
626extern int32_t mm_channel_init(mm_channel_t *my_obj,
627                               mm_camera_channel_attr_t *attr,
628                               mm_camera_buf_notify_t channel_cb,
629                               void *userdata);
630/* qbuf is a special case that not going through state machine.
631 * This is to avoid deadlock when trying to aquire ch_lock,
632 * from the context of dataCB, but async stop is holding ch_lock */
633extern int32_t mm_channel_qbuf(mm_channel_t *my_obj,
634                               mm_camera_buf_def_t *buf);
635/* mm_stream */
636extern int32_t mm_stream_fsm_fn(mm_stream_t *my_obj,
637                                mm_stream_evt_type_t evt,
638                                void * in_val,
639                                void * out_val);
640/* Allow other stream to register dataCB at certain stream.
641 * This is for use case of video sized live snapshot,
642 * because snapshot stream need register one time CB at video stream.
643 * ext_image_mode and sensor_idx are used to identify the destinate stream
644 * to be register with dataCB. */
645extern int32_t mm_stream_reg_buf_cb(mm_stream_t *my_obj,
646                                    mm_stream_data_cb_t *val);
647extern int32_t mm_stream_map_buf(mm_stream_t *my_obj,
648                                 uint8_t buf_type,
649                                 uint32_t frame_idx,
650                                 int32_t plane_idx,
651                                 int fd,
652                                 size_t size);
653extern int32_t mm_stream_unmap_buf(mm_stream_t *my_obj,
654                                   uint8_t buf_type,
655                                   uint32_t frame_idx,
656                                   int32_t plane_idx);
657
658
659/* utiltity fucntion declared in mm-camera-inteface2.c
660 * and need be used by mm-camera and below*/
661uint32_t mm_camera_util_generate_handler(uint8_t index);
662const char * mm_camera_util_get_dev_name(uint32_t cam_handler);
663uint8_t mm_camera_util_get_index_by_handler(uint32_t handler);
664
665/* poll/cmd thread functions */
666extern int32_t mm_camera_poll_thread_launch(
667                                mm_camera_poll_thread_t * poll_cb,
668                                mm_camera_poll_thread_type_t poll_type);
669extern int32_t mm_camera_poll_thread_release(mm_camera_poll_thread_t *poll_cb);
670extern int32_t mm_camera_poll_thread_add_poll_fd(
671                                mm_camera_poll_thread_t * poll_cb,
672                                uint32_t handler,
673                                int32_t fd,
674                                mm_camera_poll_notify_t nofity_cb,
675                                void *userdata,
676                                mm_camera_call_type_t);
677extern int32_t mm_camera_poll_thread_del_poll_fd(
678                                mm_camera_poll_thread_t * poll_cb,
679                                uint32_t handler,
680                                mm_camera_call_type_t);
681extern int32_t mm_camera_poll_thread_commit_updates(
682        mm_camera_poll_thread_t * poll_cb);
683extern int32_t mm_camera_cmd_thread_launch(
684                                mm_camera_cmd_thread_t * cmd_thread,
685                                mm_camera_cmd_cb_t cb,
686                                void* user_data);
687extern int32_t mm_camera_cmd_thread_name(const char* name);
688extern int32_t mm_camera_cmd_thread_release(mm_camera_cmd_thread_t * cmd_thread);
689
690extern int32_t mm_camera_channel_advanced_capture(mm_camera_obj_t *my_obj,
691        uint32_t ch_id, mm_camera_advanced_capture_t type,
692        uint32_t trigger, void *in_value);
693#endif /* __MM_CAMERA_H__ */
694