mm_camera.h revision 744f5403bebb0e27140d16a5df7a341713c24a13
1/* Copyright (c) 2012-2013, 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 37/********************************************************************************** 38* Data structure declare 39***********************************************************************************/ 40/* num of callbacks allowed for an event type */ 41#define MM_CAMERA_EVT_ENTRY_MAX 4 42/* num of data callbacks allowed in a stream obj */ 43#define MM_CAMERA_STREAM_BUF_CB_MAX 4 44/* num of data poll threads allowed in a channel obj */ 45#define MM_CAMERA_CHANNEL_POLL_THREAD_MAX 1 46 47#define MM_CAMERA_DEV_NAME_LEN 32 48#define MM_CAMERA_DEV_OPEN_TRIES 2 49#define MM_CAMERA_DEV_OPEN_RETRY_SLEEP 20 50 51#ifndef TRUE 52#define TRUE 1 53#endif 54 55#ifndef FALSE 56#define FALSE 0 57#endif 58 59struct mm_channel; 60struct mm_stream; 61struct mm_camera_obj; 62 63typedef enum 64{ 65 MM_CAMERA_CMD_TYPE_DATA_CB, /* dataB CMD */ 66 MM_CAMERA_CMD_TYPE_EVT_CB, /* evtCB CMD */ 67 MM_CAMERA_CMD_TYPE_EXIT, /* EXIT */ 68 MM_CAMERA_CMD_TYPE_REQ_DATA_CB,/* request data */ 69 MM_CAMERA_CMD_TYPE_SUPER_BUF_DATA_CB, /* superbuf dataB CMD */ 70 MM_CAMERA_CMD_TYPE_CONFIG_NOTIFY, /* configure notify mode */ 71 MM_CAMERA_CMD_TYPE_FLUSH_QUEUE, /* flush queue */ 72 MM_CAMERA_CMD_TYPE_MAX 73} mm_camera_cmdcb_type_t; 74 75typedef struct { 76 uint32_t stream_id; 77 uint32_t frame_idx; 78 mm_camera_buf_def_t *buf; /* ref to buf */ 79} mm_camera_buf_info_t; 80 81typedef struct { 82 uint32_t num_buf_requested; 83} mm_camera_req_buf_t; 84 85typedef struct { 86 mm_camera_cmdcb_type_t cmd_type; 87 union { 88 mm_camera_buf_info_t buf; /* frame buf if dataCB */ 89 mm_camera_event_t evt; /* evt if evtCB */ 90 mm_camera_super_buf_t superbuf; /* superbuf if superbuf dataCB*/ 91 mm_camera_req_buf_t req_buf; /* num of buf requested */ 92 uint32_t frame_idx; /* frame idx boundary for flush superbuf queue*/ 93 mm_camera_super_buf_notify_mode_t notify_mode; /* notification mode */ 94 } u; 95} mm_camera_cmdcb_t; 96 97typedef void (*mm_camera_cmd_cb_t)(mm_camera_cmdcb_t * cmd_cb, void* user_data); 98 99typedef struct { 100 cam_queue_t cmd_queue; /* cmd queue (queuing dataCB, asyncCB, or exitCMD) */ 101 pthread_t cmd_pid; /* cmd thread ID */ 102 cam_semaphore_t cmd_sem; /* semaphore for cmd thread */ 103 mm_camera_cmd_cb_t cb; /* cb for cmd */ 104 void* user_data; /* user_data for cb */ 105} mm_camera_cmd_thread_t; 106 107typedef enum { 108 MM_CAMERA_POLL_TYPE_EVT, 109 MM_CAMERA_POLL_TYPE_DATA, 110 MM_CAMERA_POLL_TYPE_MAX 111} mm_camera_poll_thread_type_t; 112 113/* function ptr defined for poll notify CB, 114 * registered at poll thread with poll fd */ 115typedef void (*mm_camera_poll_notify_t)(void *user_data); 116 117typedef struct { 118 int32_t fd; 119 mm_camera_poll_notify_t notify_cb; 120 uint32_t handler; 121 void* user_data; 122} mm_camera_poll_entry_t; 123 124typedef struct { 125 mm_camera_poll_thread_type_t poll_type; 126 /* array to store poll fd and cb info 127 * for MM_CAMERA_POLL_TYPE_EVT, only index 0 is valid; 128 * for MM_CAMERA_POLL_TYPE_DATA, depends on valid stream fd */ 129 mm_camera_poll_entry_t poll_entries[MAX_STREAM_NUM_IN_BUNDLE]; 130 int32_t pfds[2]; 131 pthread_t pid; 132 int32_t state; 133 int timeoutms; 134 uint32_t cmd; 135 struct pollfd poll_fds[MAX_STREAM_NUM_IN_BUNDLE + 1]; 136 uint8_t num_fds; 137 pthread_mutex_t mutex; 138 pthread_cond_t cond_v; 139 int32_t status; 140 //void *my_obj; 141} mm_camera_poll_thread_t; 142 143/* mm_stream */ 144typedef enum { 145 MM_STREAM_STATE_NOTUSED = 0, /* not used */ 146 MM_STREAM_STATE_INITED, /* inited */ 147 MM_STREAM_STATE_ACQUIRED, /* acquired, fd opened */ 148 MM_STREAM_STATE_CFG, /* fmt & dim configured */ 149 MM_STREAM_STATE_BUFFED, /* buf allocated */ 150 MM_STREAM_STATE_REG, /* buf regged, stream off */ 151 MM_STREAM_STATE_ACTIVE, /* active */ 152 MM_STREAM_STATE_MAX 153} mm_stream_state_type_t; 154 155typedef enum { 156 MM_STREAM_EVT_ACQUIRE, 157 MM_STREAM_EVT_RELEASE, 158 MM_STREAM_EVT_SET_FMT, 159 MM_STREAM_EVT_GET_BUF, 160 MM_STREAM_EVT_PUT_BUF, 161 MM_STREAM_EVT_REG_BUF, 162 MM_STREAM_EVT_UNREG_BUF, 163 MM_STREAM_EVT_START, 164 MM_STREAM_EVT_STOP, 165 MM_STREAM_EVT_QBUF, 166 MM_STREAM_EVT_SET_PARM, 167 MM_STREAM_EVT_GET_PARM, 168 MM_STREAM_EVT_DO_ACTION, 169 MM_STREAM_EVT_MAX 170} mm_stream_evt_type_t; 171 172typedef struct { 173 mm_camera_buf_notify_t cb; 174 void *user_data; 175 /* cb_count = -1: infinite 176 * cb_count > 0: register only for required times */ 177 int8_t cb_count; 178} mm_stream_data_cb_t; 179 180typedef struct { 181 /* buf reference count */ 182 uint8_t buf_refcnt; 183 184 /* This flag is to indicate if after allocation, 185 * the corresponding buf needs to qbuf into kernel 186 * (e.g. for preview usecase, display needs to hold two bufs, 187 * so no need to qbuf these two bufs initially) */ 188 uint8_t initial_reg_flag; 189 190 /* indicate if buf is in kernel(1) or client(0) */ 191 uint8_t in_kernel; 192} mm_stream_buf_status_t; 193 194typedef struct mm_stream { 195 uint32_t my_hdl; /* local stream id */ 196 uint32_t server_stream_id; /* stream id from server */ 197 int32_t fd; 198 mm_stream_state_type_t state; 199 200 /* stream info*/ 201 cam_stream_info_t *stream_info; 202 203 /* padding info */ 204 cam_padding_info_t padding_info; 205 206 /* offset */ 207 cam_frame_len_offset_t frame_offset; 208 209 mm_camera_cmd_thread_t cmd_thread; 210 211 /* dataCB registered on this stream obj */ 212 pthread_mutex_t cb_lock; /* cb lock to protect buf_cb */ 213 mm_stream_data_cb_t buf_cb[MM_CAMERA_STREAM_BUF_CB_MAX]; 214 215 /* stream buffer management */ 216 pthread_mutex_t buf_lock; 217 uint8_t buf_num; /* num of buffers allocated */ 218 mm_camera_buf_def_t* buf; /* ptr to buf array */ 219 mm_stream_buf_status_t* buf_status; /* ptr to buf status array */ 220 221 /* reference to parent channel_obj */ 222 struct mm_channel* ch_obj; 223 224 uint8_t is_bundled; /* flag if stream is bundled */ 225 226 mm_camera_stream_mem_vtbl_t mem_vtbl; /* mem ops tbl */ 227} mm_stream_t; 228 229/* mm_channel */ 230typedef enum { 231 MM_CHANNEL_STATE_NOTUSED = 0, /* not used */ 232 MM_CHANNEL_STATE_STOPPED, /* stopped */ 233 MM_CHANNEL_STATE_ACTIVE, /* active, at least one stream active */ 234 MM_CHANNEL_STATE_PAUSED, /* paused */ 235 MM_CHANNEL_STATE_MAX 236} mm_channel_state_type_t; 237 238typedef enum { 239 MM_CHANNEL_EVT_ADD_STREAM, 240 MM_CHANNEL_EVT_DEL_STREAM, 241 MM_CHANNEL_EVT_CONFIG_STREAM, 242 MM_CHANNEL_EVT_GET_BUNDLE_INFO, 243 MM_CHANNEL_EVT_START, 244 MM_CHANNEL_EVT_STOP, 245 MM_CHANNEL_EVT_PAUSE, 246 MM_CHANNEL_EVT_RESUME, 247 MM_CHANNEL_EVT_REQUEST_SUPER_BUF, 248 MM_CHANNEL_EVT_CANCEL_REQUEST_SUPER_BUF, 249 MM_CHANNEL_EVT_FLUSH_SUPER_BUF_QUEUE, 250 MM_CHANNEL_EVT_CONFIG_NOTIFY_MODE, 251 MM_CHANNEL_EVT_MAP_STREAM_BUF, 252 MM_CHANNEL_EVT_UNMAP_STREAM_BUF, 253 MM_CHANNEL_EVT_SET_STREAM_PARM, 254 MM_CHANNEL_EVT_GET_STREAM_PARM, 255 MM_CHANNEL_EVT_DO_STREAM_ACTION, 256 MM_CHANNEL_EVT_DELETE, 257} mm_channel_evt_type_t; 258 259typedef struct { 260 uint32_t stream_id; 261 mm_camera_stream_config_t *config; 262} mm_evt_paylod_config_stream_t; 263 264typedef struct { 265 uint32_t stream_id; 266 cam_stream_parm_buffer_t *parms; 267} mm_evt_paylod_set_get_stream_parms_t; 268 269typedef struct { 270 uint32_t stream_id; 271 void *actions; 272} mm_evt_paylod_do_stream_action_t; 273 274typedef struct { 275 uint32_t stream_id; 276 uint8_t buf_type; 277 uint32_t buf_idx; 278 int32_t plane_idx; 279 int fd; 280 uint32_t size; 281} mm_evt_paylod_map_stream_buf_t; 282 283typedef struct { 284 uint32_t stream_id; 285 uint8_t buf_type; 286 uint32_t buf_idx; 287 int32_t plane_idx; 288} mm_evt_paylod_unmap_stream_buf_t; 289 290typedef struct { 291 uint8_t num_of_bufs; 292 mm_camera_buf_info_t super_buf[MAX_STREAM_NUM_IN_BUNDLE]; 293 uint8_t matched; 294 uint32_t frame_idx; 295} mm_channel_queue_node_t; 296 297typedef struct { 298 cam_queue_t que; 299 uint8_t num_streams; 300 /* container for bundled stream handlers */ 301 uint32_t bundled_streams[MAX_STREAM_NUM_IN_BUNDLE]; 302 mm_camera_channel_attr_t attr; 303 uint32_t expected_frame_id; 304 uint32_t match_cnt; 305} mm_channel_queue_t; 306 307typedef struct { 308 uint8_t is_active; /* flag to indicate if bundle is valid */ 309 /* queue to store bundled super buffers */ 310 mm_channel_queue_t superbuf_queue; 311 mm_camera_buf_notify_t super_buf_notify_cb; 312 void *user_data; 313} mm_channel_bundle_t; 314 315typedef struct mm_channel { 316 uint32_t my_hdl; 317 mm_channel_state_type_t state; 318 pthread_mutex_t ch_lock; /* channel lock */ 319 320 /* stream bundle info in the channel */ 321 mm_channel_bundle_t bundle; 322 323 /* num of pending suferbuffers */ 324 uint32_t pending_cnt; 325 326 /* cmd thread for superbuffer dataCB and async stop*/ 327 mm_camera_cmd_thread_t cmd_thread; 328 329 /* cb thread for sending data cb */ 330 mm_camera_cmd_thread_t cb_thread; 331 332 /* data poll thread 333 * currently one data poll thread per channel 334 * could extended to support one data poll thread per stream in the channel */ 335 mm_camera_poll_thread_t poll_thread[MM_CAMERA_CHANNEL_POLL_THREAD_MAX]; 336 337 /* container for all streams in channel */ 338 mm_stream_t streams[MAX_STREAM_NUM_IN_BUNDLE]; 339 340 /* reference to parent cam_obj */ 341 struct mm_camera_obj* cam_obj; 342} mm_channel_t; 343 344/* struct to store information about pp cookie*/ 345typedef struct { 346 uint32_t cam_hdl; 347 uint32_t ch_hdl; 348 uint32_t stream_hdl; 349 mm_channel_queue_node_t* super_buf; 350} mm_channel_pp_info_t; 351 352/* mm_camera */ 353typedef struct { 354 mm_camera_event_notify_t evt_cb; 355 void *user_data; 356} mm_camera_evt_entry_t; 357 358typedef struct { 359 mm_camera_evt_entry_t evt[MM_CAMERA_EVT_ENTRY_MAX]; 360 /* reg_count <=0: infinite 361 * reg_count > 0: register only for required times */ 362 int reg_count; 363} mm_camera_evt_obj_t; 364 365typedef struct mm_camera_obj { 366 uint32_t my_hdl; 367 int ref_count; 368 int32_t ctrl_fd; 369 int32_t ds_fd; /* domain socket fd */ 370 pthread_mutex_t cam_lock; 371 pthread_mutex_t cb_lock; /* lock for evt cb */ 372 mm_channel_t ch[MM_CAMERA_CHANNEL_MAX]; 373 mm_camera_evt_obj_t evt; 374 mm_camera_poll_thread_t evt_poll_thread; /* evt poll thread */ 375 mm_camera_cmd_thread_t evt_thread; /* thread for evt CB */ 376 mm_camera_vtbl_t vtbl; 377 378 pthread_mutex_t evt_lock; 379 pthread_cond_t evt_cond; 380 mm_camera_event_t evt_rcvd; 381 382 pthread_mutex_t msg_lock; /* lock for sending msg through socket */ 383} mm_camera_obj_t; 384 385typedef struct { 386 int8_t num_cam; 387 char video_dev_name[MM_CAMERA_MAX_NUM_SENSORS][MM_CAMERA_DEV_NAME_LEN]; 388 mm_camera_obj_t *cam_obj[MM_CAMERA_MAX_NUM_SENSORS]; 389} mm_camera_ctrl_t; 390 391/********************************************************************************** 392* external function declare 393***********************************************************************************/ 394/* utility functions */ 395/* set int32_t value */ 396extern int32_t mm_camera_util_s_ctrl(int32_t fd, 397 uint32_t id, 398 int32_t *value); 399 400/* get int32_t value */ 401extern int32_t mm_camera_util_g_ctrl(int32_t fd, 402 uint32_t id, 403 int32_t *value); 404 405/* send msg throught domain socket for fd mapping */ 406extern int32_t mm_camera_util_sendmsg(mm_camera_obj_t *my_obj, 407 void *msg, 408 uint32_t buf_size, 409 int sendfd); 410/* Check if hardware target is A family */ 411uint8_t mm_camera_util_chip_is_a_family(void); 412 413/* mm-camera */ 414extern int32_t mm_camera_open(mm_camera_obj_t *my_obj); 415extern int32_t mm_camera_close(mm_camera_obj_t *my_obj); 416extern int32_t mm_camera_register_event_notify(mm_camera_obj_t *my_obj, 417 mm_camera_event_notify_t evt_cb, 418 void * user_data); 419extern int32_t mm_camera_qbuf(mm_camera_obj_t *my_obj, 420 uint32_t ch_id, 421 mm_camera_buf_def_t *buf); 422extern int32_t mm_camera_query_capability(mm_camera_obj_t *my_obj); 423extern int32_t mm_camera_set_parms(mm_camera_obj_t *my_obj, 424 parm_buffer_t *parms); 425extern int32_t mm_camera_get_parms(mm_camera_obj_t *my_obj, 426 parm_buffer_t *parms); 427extern int32_t mm_camera_map_buf(mm_camera_obj_t *my_obj, 428 uint8_t buf_type, 429 int fd, 430 uint32_t size); 431extern int32_t mm_camera_unmap_buf(mm_camera_obj_t *my_obj, 432 uint8_t buf_type); 433extern int32_t mm_camera_do_auto_focus(mm_camera_obj_t *my_obj); 434extern int32_t mm_camera_cancel_auto_focus(mm_camera_obj_t *my_obj); 435extern int32_t mm_camera_prepare_snapshot(mm_camera_obj_t *my_obj, 436 int32_t do_af_flag); 437extern int32_t mm_camera_start_zsl_snapshot(mm_camera_obj_t *my_obj); 438extern int32_t mm_camera_stop_zsl_snapshot(mm_camera_obj_t *my_obj); 439extern uint32_t mm_camera_add_channel(mm_camera_obj_t *my_obj, 440 mm_camera_channel_attr_t *attr, 441 mm_camera_buf_notify_t channel_cb, 442 void *userdata); 443extern int32_t mm_camera_del_channel(mm_camera_obj_t *my_obj, 444 uint32_t ch_id); 445extern int32_t mm_camera_get_bundle_info(mm_camera_obj_t *my_obj, 446 uint32_t ch_id, 447 cam_bundle_config_t *bundle_info); 448extern uint32_t mm_camera_add_stream(mm_camera_obj_t *my_obj, 449 uint32_t ch_id); 450extern int32_t mm_camera_del_stream(mm_camera_obj_t *my_obj, 451 uint32_t ch_id, 452 uint32_t stream_id); 453extern int32_t mm_camera_config_stream(mm_camera_obj_t *my_obj, 454 uint32_t ch_id, 455 uint32_t stream_id, 456 mm_camera_stream_config_t *config); 457extern int32_t mm_camera_start_channel(mm_camera_obj_t *my_obj, 458 uint32_t ch_id); 459extern int32_t mm_camera_stop_channel(mm_camera_obj_t *my_obj, 460 uint32_t ch_id); 461extern int32_t mm_camera_request_super_buf(mm_camera_obj_t *my_obj, 462 uint32_t ch_id, 463 uint32_t num_buf_requested); 464extern int32_t mm_camera_cancel_super_buf_request(mm_camera_obj_t *my_obj, 465 uint32_t ch_id); 466extern int32_t mm_camera_flush_super_buf_queue(mm_camera_obj_t *my_obj, 467 uint32_t ch_id, 468 uint32_t frame_idx); 469extern int32_t mm_camera_config_channel_notify(mm_camera_obj_t *my_obj, 470 uint32_t ch_id, 471 mm_camera_super_buf_notify_mode_t notify_mode); 472extern int32_t mm_camera_set_stream_parms(mm_camera_obj_t *my_obj, 473 uint32_t ch_id, 474 uint32_t s_id, 475 cam_stream_parm_buffer_t *parms); 476extern int32_t mm_camera_get_stream_parms(mm_camera_obj_t *my_obj, 477 uint32_t ch_id, 478 uint32_t s_id, 479 cam_stream_parm_buffer_t *parms); 480extern int32_t mm_camera_register_event_notify_internal(mm_camera_obj_t *my_obj, 481 mm_camera_event_notify_t evt_cb, 482 void * user_data); 483extern int32_t mm_camera_map_stream_buf(mm_camera_obj_t *my_obj, 484 uint32_t ch_id, 485 uint32_t stream_id, 486 uint8_t buf_type, 487 uint32_t buf_idx, 488 int32_t plane_idx, 489 int fd, 490 uint32_t size); 491extern int32_t mm_camera_unmap_stream_buf(mm_camera_obj_t *my_obj, 492 uint32_t ch_id, 493 uint32_t stream_id, 494 uint8_t buf_type, 495 uint32_t buf_idx, 496 int32_t plane_idx); 497extern int32_t mm_camera_do_stream_action(mm_camera_obj_t *my_obj, 498 uint32_t ch_id, 499 uint32_t stream_id, 500 void *actions); 501 502/* mm_channel */ 503extern int32_t mm_channel_fsm_fn(mm_channel_t *my_obj, 504 mm_channel_evt_type_t evt, 505 void * in_val, 506 void * out_val); 507extern int32_t mm_channel_init(mm_channel_t *my_obj, 508 mm_camera_channel_attr_t *attr, 509 mm_camera_buf_notify_t channel_cb, 510 void *userdata); 511/* qbuf is a special case that not going through state machine. 512 * This is to avoid deadlock when trying to aquire ch_lock, 513 * from the context of dataCB, but async stop is holding ch_lock */ 514extern int32_t mm_channel_qbuf(mm_channel_t *my_obj, 515 mm_camera_buf_def_t *buf); 516 517/* mm_stream */ 518extern int32_t mm_stream_fsm_fn(mm_stream_t *my_obj, 519 mm_stream_evt_type_t evt, 520 void * in_val, 521 void * out_val); 522/* Allow other stream to register dataCB at certain stream. 523 * This is for use case of video sized live snapshot, 524 * because snapshot stream need register one time CB at video stream. 525 * ext_image_mode and sensor_idx are used to identify the destinate stream 526 * to be register with dataCB. */ 527extern int32_t mm_stream_reg_buf_cb(mm_stream_t *my_obj, 528 mm_stream_data_cb_t *val); 529extern int32_t mm_stream_map_buf(mm_stream_t *my_obj, 530 uint8_t buf_type, 531 uint32_t frame_idx, 532 int32_t plane_idx, 533 int fd, 534 uint32_t size); 535extern int32_t mm_stream_unmap_buf(mm_stream_t *my_obj, 536 uint8_t buf_type, 537 uint32_t frame_idx, 538 int32_t plane_idx); 539 540 541/* utiltity fucntion declared in mm-camera-inteface2.c 542 * and need be used by mm-camera and below*/ 543uint32_t mm_camera_util_generate_handler(uint8_t index); 544const char * mm_camera_util_get_dev_name(uint32_t cam_handler); 545uint8_t mm_camera_util_get_index_by_handler(uint32_t handler); 546 547/* poll/cmd thread functions */ 548extern int32_t mm_camera_poll_thread_launch( 549 mm_camera_poll_thread_t * poll_cb, 550 mm_camera_poll_thread_type_t poll_type); 551extern int32_t mm_camera_poll_thread_release(mm_camera_poll_thread_t *poll_cb); 552extern int32_t mm_camera_poll_thread_add_poll_fd( 553 mm_camera_poll_thread_t * poll_cb, 554 uint32_t handler, 555 int32_t fd, 556 mm_camera_poll_notify_t nofity_cb, 557 void *userdata); 558extern int32_t mm_camera_poll_thread_del_poll_fd( 559 mm_camera_poll_thread_t * poll_cb, 560 uint32_t handler); 561extern int32_t mm_camera_cmd_thread_launch( 562 mm_camera_cmd_thread_t * cmd_thread, 563 mm_camera_cmd_cb_t cb, 564 void* user_data); 565extern int32_t mm_camera_cmd_thread_release(mm_camera_cmd_thread_t * cmd_thread); 566 567#endif /* __MM_CAMERA_H__ */ 568