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_INTERFACE_H__ 31#define __MM_CAMERA_INTERFACE_H__ 32 33// System dependencies 34#include <media/msmb_camera.h> 35 36// Camera dependencies 37#include "cam_intf.h" 38#include "cam_queue.h" 39 40#define MM_CAMERA_MAX_NUM_SENSORS MSM_MAX_CAMERA_SENSORS 41#define MM_CAMERA_MAX_NUM_FRAMES CAM_MAX_NUM_BUFS_PER_STREAM 42/* num of channels allowed in a camera obj */ 43#define MM_CAMERA_CHANNEL_MAX 16 44 45#define PAD_TO_SIZE(size, padding) \ 46 ((size + (typeof(size))(padding - 1)) & \ 47 (typeof(size))(~(padding - 1))) 48 49#define CEIL_DIVISION(n, d) ((n+d-1)/d) 50 51/** CAM_DUMP_TO_FILE: 52 * @filename: file name 53 * @name:filename 54 * @index: index of the file 55 * @extn: file extension 56 * @p_addr: address of the buffer 57 * @len: buffer length 58 * 59 * dump the image to the file 60 **/ 61#define CAM_DUMP_TO_FILE(path, name, index, extn, p_addr, len) ({ \ 62 size_t rc = 0; \ 63 char filename[FILENAME_MAX]; \ 64 if (index >= 0) \ 65 snprintf(filename, FILENAME_MAX, "%s/%s%d.%s", path, name, index, extn); \ 66 else \ 67 snprintf(filename, FILENAME_MAX, "%s/%s.%s", path, name, extn); \ 68 FILE *fp = fopen(filename, "w+"); \ 69 if (fp) { \ 70 rc = fwrite(p_addr, 1, len, fp); \ 71 LOGE("written size %d", len); \ 72 fclose(fp); \ 73 } else { \ 74 LOGE("open %s failed", filename); \ 75 } \ 76}) 77 78/* Declaring Buffer structure */ 79struct mm_camera_buf_def; 80 81/** mm_camera_plane_def_t : structure for frame plane info 82* @num_planes : num of planes for the frame buffer, to be 83* filled during mem allocation 84* @planes : plane info for the frame buffer, to be filled 85* during mem allocation 86**/ 87typedef struct { 88 int8_t num_planes; 89 struct v4l2_plane planes[VIDEO_MAX_PLANES]; 90} mm_camera_plane_buf_def_t; 91 92/** mm_camera_user_buf_def_t : structure for frame plane info 93* @num_buffers : num of buffers in this user defined structure 94* @bufs_used : actual number of buffer filled 95* @buf_in_use : flag to notify buffer usage status. 96* @plane_buf : Plane buffer array pointer. 97**/ 98typedef struct { 99 uint8_t num_buffers; 100 uint8_t bufs_used; /*Num of Buffer filled by Kernel*/ 101 uint8_t buf_in_use; /* Container buffer is freed to fill*/ 102 int32_t buf_idx[MSM_CAMERA_MAX_USER_BUFF_CNT]; 103 struct mm_camera_buf_def *plane_buf; 104} mm_camera_user_buf_def_t; 105 106/** mm_camera_buf_def_t: structure for stream frame buf 107* @stream_id : stream handler to uniquely identify a stream 108* object 109* @buf_idx : index of the buf within the stream bufs, to be 110* filled during mem allocation 111* @timespec_ts : time stamp, to be filled when DQBUF is 112* called 113* @frame_idx : frame sequence num, to be filled when DQBUF 114* @plane_buf : Frame plane definition 115* @fd : file descriptor of the frame buffer, to be filled 116* during mem allocation 117* @buffer : pointer to the frame buffer, to be filled during 118* mem allocation 119* @frame_len : length of the whole frame, to be filled during 120* mem allocation 121* @mem_info : user specific pointer to additional mem info 122* @flags: v4l2_buffer flags, used to report error in data buffers 123**/ 124typedef struct mm_camera_buf_def { 125 uint32_t stream_id; 126 cam_stream_type_t stream_type; 127 cam_stream_buf_type buf_type; 128 uint32_t buf_idx; 129 uint8_t is_uv_subsampled; 130 struct timespec ts; 131 uint32_t frame_idx; 132 union { 133 mm_camera_plane_buf_def_t planes_buf; 134 mm_camera_user_buf_def_t user_buf; 135 }; 136 int fd; 137 void *buffer; 138 size_t frame_len; 139 void *mem_info; 140 uint32_t flags; 141} mm_camera_buf_def_t; 142 143/** mm_camera_super_buf_t: super buf structure for bundled 144* stream frames 145* @camera_handle : camera handler to uniquely identify 146* a camera object 147* @ch_id : channel handler to uniquely ideentify a channel 148* object 149* @num_bufs : number of buffers in the super buf, should not 150* exceeds MAX_STREAM_NUM_IN_BUNDLE 151* @bufs : array of buffers in the bundle 152**/ 153typedef struct { 154 uint32_t camera_handle; 155 uint32_t ch_id; 156 uint32_t num_bufs; 157 uint8_t bUnlockAEC; 158 uint8_t bReadyForPrepareSnapshot; 159 mm_camera_buf_def_t* bufs[MAX_STREAM_NUM_IN_BUNDLE]; 160} mm_camera_super_buf_t; 161 162/** mm_camera_req_buf_type_t 163* Request type for super buf from channel 164**/ 165typedef enum { 166 MM_CAMERA_REQ_SUPER_BUF, 167 MM_CAMERA_REQ_FRAME_SYNC_BUF 168} mm_camera_req_buf_type_t; 169 170/** mm_camera_req_buf_t: Attributes for super buf request 171* 172* @type : type of super buf requested 173* @num_buf_requested : num of super bufs requested 174* @num_retro_buf_requested : number of retro bufs requested 175* @primary_only : specifies if only primary camera frame for a dual 176* camera is requested 177**/ 178typedef struct { 179 mm_camera_req_buf_type_t type; 180 uint32_t num_buf_requested; 181 uint32_t num_retro_buf_requested; 182 uint8_t primary_only; 183} mm_camera_req_buf_t; 184 185/** mm_camera_event_t: structure for event 186* @server_event_type : event type from serer 187* @status : status of an event, value could be 188* CAM_STATUS_SUCCESS 189* CAM_STATUS_FAILED 190**/ 191typedef struct { 192 cam_event_type_t server_event_type; 193 uint32_t status; 194} mm_camera_event_t; 195 196/** mm_camera_event_notify_t: function definition for event 197* notify handling 198* @camera_handle : camera handler 199* @evt : pointer to an event struct 200* @user_data: user data pointer 201**/ 202typedef void (*mm_camera_event_notify_t)(uint32_t camera_handle, 203 mm_camera_event_t *evt, 204 void *user_data); 205 206/** mm_camera_buf_notify_t: function definition for frame notify 207* handling 208* @mm_camera_super_buf_t : received frame buffers 209* @user_data: user data pointer 210**/ 211typedef void (*mm_camera_buf_notify_t) (mm_camera_super_buf_t *bufs, 212 void *user_data); 213 214/** map_stream_buf_op_t: function definition for operation of 215* mapping stream buffers via domain socket 216* @frame_idx : buffer index within stream buffers 217* @plane_idx : plane index. If all planes share the same 218* fd, plane_idx = -1; otherwise, plean_idx is 219* the index to plane (0..num_of_planes) 220* @fd : file descriptor of the stream buffer 221* @size: size of the stream buffer 222* @userdata : user data pointer 223**/ 224typedef int32_t (*map_stream_buf_op_t) (uint32_t frame_idx, 225 int32_t plane_idx, 226 int fd, 227 size_t size, 228 cam_mapping_buf_type type, 229 void *userdata); 230 231typedef int32_t (*map_stream_bufs_op_t) (const cam_buf_map_type_list *buf_map_list, 232 void *userdata); 233 234/** unmap_stream_buf_op_t: function definition for operation of 235* unmapping stream buffers via domain 236* socket 237* @frame_idx : buffer index within stream buffers 238* @plane_idx : plane index. If all planes share the same 239* fd, plane_idx = -1; otherwise, plean_idx is 240* the index to plane (0..num_of_planes) 241* @userdata : user data pointer 242**/ 243typedef int32_t (*unmap_stream_buf_op_t) (uint32_t frame_idx, 244 int32_t plane_idx, 245 cam_mapping_buf_type type, 246 void *userdata); 247 248/** mm_camera_map_unmap_ops_tbl_t: virtual table 249* for mapping/unmapping stream buffers via 250* domain socket 251* @map_ops : operation for mapping 252* @unmap_ops : operation for unmapping 253* @userdata: user data pointer 254**/ 255typedef struct { 256 map_stream_buf_op_t map_ops; 257 map_stream_bufs_op_t bundled_map_ops; 258 unmap_stream_buf_op_t unmap_ops; 259 void *userdata; 260} mm_camera_map_unmap_ops_tbl_t; 261 262/** mm_camera_stream_mem_vtbl_t: virtual table for stream 263* memory allocation and deallocation 264* @get_bufs : function definition for allocating 265* stream buffers 266* @put_bufs : function definition for deallocating 267* stream buffers 268* @user_data: user data pointer 269**/ 270typedef struct { 271 void *user_data; 272 int32_t (*set_config_ops) (mm_camera_map_unmap_ops_tbl_t *ops_tbl, 273 void *user_data); 274 int32_t (*get_bufs) (cam_frame_len_offset_t *offset, 275 uint8_t *num_bufs, 276 uint8_t **initial_reg_flag, 277 mm_camera_buf_def_t **bufs, 278 mm_camera_map_unmap_ops_tbl_t *ops_tbl, 279 void *user_data); 280 int32_t (*put_bufs) (mm_camera_map_unmap_ops_tbl_t *ops_tbl, 281 void *user_data); 282 int32_t (*invalidate_buf)(uint32_t index, void *user_data); 283 int32_t (*clean_invalidate_buf)(uint32_t index, void *user_data); 284} mm_camera_stream_mem_vtbl_t; 285 286/** mm_camera_stream_config_t: structure for stream 287* configuration 288* @stream_info : pointer to a stream info structure 289* @padding_info: padding info obtained from querycapability 290* @mem_tbl : memory operation table for 291* allocating/deallocating stream buffers 292* @stream_cb_sync : SYNC callback handling stream frame notify 293* @stream_cb : ASYNC callback handling stream frame notify 294* @userdata : user data pointer 295**/ 296typedef struct { 297 cam_stream_info_t *stream_info; 298 cam_padding_info_t padding_info; 299 mm_camera_stream_mem_vtbl_t mem_vtbl; 300 mm_camera_buf_notify_t stream_cb_sync; 301 mm_camera_buf_notify_t stream_cb; 302 void *userdata; 303} mm_camera_stream_config_t; 304 305/** mm_camera_super_buf_notify_mode_t: enum for super uffer 306* notification mode 307* @MM_CAMERA_SUPER_BUF_NOTIFY_BURST : 308* ZSL use case: get burst of frames 309* @MM_CAMERA_SUPER_BUF_NOTIFY_CONTINUOUS : 310* get continuous frames: when the super buf is ready 311* dispatch it to HAL 312**/ 313typedef enum { 314 MM_CAMERA_SUPER_BUF_NOTIFY_BURST = 0, 315 MM_CAMERA_SUPER_BUF_NOTIFY_CONTINUOUS, 316 MM_CAMERA_SUPER_BUF_NOTIFY_MAX 317} mm_camera_super_buf_notify_mode_t; 318 319/** mm_camera_super_buf_priority_t: enum for super buffer 320* matching priority 321* @MM_CAMERA_SUPER_BUF_PRIORITY_NORMAL : 322* Save the frame no matter focused or not. Currently only 323* this type is supported. 324* @MM_CAMERA_SUPER_BUF_PRIORITY_FOCUS : 325* only queue the frame that is focused. Will enable meta 326* data header to carry focus info 327* @MM_CAMERA_SUPER_BUF_PRIORITY_EXPOSURE_BRACKETING : 328* after shutter, only queue matched exposure index 329**/ 330typedef enum { 331 MM_CAMERA_SUPER_BUF_PRIORITY_NORMAL = 0, 332 MM_CAMERA_SUPER_BUF_PRIORITY_FOCUS, 333 MM_CAMERA_SUPER_BUF_PRIORITY_EXPOSURE_BRACKETING, 334 MM_CAMERA_SUPER_BUF_PRIORITY_LOW,/* Bundled metadata frame may not match*/ 335 MM_CAMERA_SUPER_BUF_PRIORITY_MAX 336} mm_camera_super_buf_priority_t; 337 338/** mm_camera_advanced_capture_t: enum for advanced capture type. 339* @MM_CAMERA_AF_BRACKETING : 340* to enable AF Bracketig. 341* @MM_CAMERA_AE_BRACKETING : 342* to enable AF Bracketing. 343* @MM_CAMERA_FLASH_BRACKETING : 344* to enable Flash Bracketing. 345* @MM_CAMERA_ZOOM_1X : 346* to enable zoom 1x capture request 347**/ 348typedef enum { 349 MM_CAMERA_AF_BRACKETING = 0, 350 MM_CAMERA_AE_BRACKETING, 351 MM_CAMERA_FLASH_BRACKETING, 352 MM_CAMERA_ZOOM_1X, 353 MM_CAMERA_FRAME_CAPTURE, 354} mm_camera_advanced_capture_t; 355 356/** mm_camera_stream_cb_type: enum for stream buffer callback type. 357* @MM_CAMERA_STREAM_CB_TYPE_ASYNC : 358* callback is async type. buffer process done in client thread context 359* @MM_CAMERA_STREAM_CB_TYPE_SYNC : 360* callback is sync type. buffer process done interface thread context 361**/ 362typedef enum { 363 MM_CAMERA_STREAM_CB_TYPE_ASYNC, 364 MM_CAMERA_STREAM_CB_TYPE_SYNC, 365} mm_camera_stream_cb_type; 366 367 368/** mm_camera_channel_attr_t: structure for defining channel 369* attributes 370* @notify_mode : notify mode: burst or continuous 371* @water_mark : queue depth. Only valid for burst mode 372* @look_back : look back how many frames from last buf. 373* Only valid for burst mode 374* @post_frame_skip : after send first frame to HAL, how many 375* frames needing to be skipped for next 376* delivery. Only valid for burst mode 377* @max_unmatched_frames : max number of unmatched frames in 378* queue 379* @enable_frame_sync: Enables frame sync for dual camera 380* @priority : save matched priority frames only 381* @user_expected_frame_id : Number of frames, camera interface 382* will wait for getting the instant capture frame. 383**/ 384typedef struct { 385 mm_camera_super_buf_notify_mode_t notify_mode; 386 uint8_t water_mark; 387 uint8_t look_back; 388 uint8_t post_frame_skip; 389 uint8_t max_unmatched_frames; 390 uint8_t enable_frame_sync; 391 mm_camera_super_buf_priority_t priority; 392 uint8_t user_expected_frame_id; 393} mm_camera_channel_attr_t; 394 395typedef struct { 396 /** query_capability: fucntion definition for querying static 397 * camera capabilities 398 * @camera_handle : camer handler 399 * Return value: 0 -- success 400 * -1 -- failure 401 * Note: would assume cam_capability_t is already mapped 402 **/ 403 int32_t (*query_capability) (uint32_t camera_handle); 404 405 /** register_event_notify: fucntion definition for registering 406 * for event notification 407 * @camera_handle : camer handler 408 * @evt_cb : callback for event notify 409 * @user_data : user data poiner 410 * Return value: 0 -- success 411 * -1 -- failure 412 **/ 413 int32_t (*register_event_notify) (uint32_t camera_handle, 414 mm_camera_event_notify_t evt_cb, 415 void *user_data); 416 417 /** close_camera: fucntion definition for closing a camera 418 * @camera_handle : camer handler 419 * Return value: 0 -- success 420 * -1 -- failure 421 **/ 422 int32_t (*close_camera) (uint32_t camera_handle); 423 424 /** map_buf: fucntion definition for mapping a camera buffer 425 * via domain socket 426 * @camera_handle : camer handler 427 * @buf_type : type of mapping buffers, can be value of 428 * CAM_MAPPING_BUF_TYPE_CAPABILITY 429 * CAM_MAPPING_BUF_TYPE_SETPARM_BUF 430 * CAM_MAPPING_BUF_TYPE_GETPARM_BUF 431 * @fd : file descriptor of the stream buffer 432 * @size : size of the stream buffer 433 * Return value: 0 -- success 434 * -1 -- failure 435 **/ 436 int32_t (*map_buf) (uint32_t camera_handle, 437 uint8_t buf_type, 438 int fd, 439 size_t size); 440 441 /** map_bufs: function definition for mapping multiple camera buffers 442 * via domain socket 443 * @camera_handle : camera handler 444 * @buf_map_list : list of buffers to map 445 * Return value: 0 -- success 446 * -1 -- failure 447 **/ 448 int32_t (*map_bufs) (uint32_t camera_handle, 449 const cam_buf_map_type_list *buf_map_list); 450 451 /** unmap_buf: fucntion definition for unmapping a camera buffer 452 * via domain socket 453 * @camera_handle : camer handler 454 * @buf_type : type of mapping buffers, can be value of 455 * CAM_MAPPING_BUF_TYPE_CAPABILITY 456 * CAM_MAPPING_BUF_TYPE_SETPARM_BUF 457 * CAM_MAPPING_BUF_TYPE_GETPARM_BUF 458 * Return value: 0 -- success 459 * -1 -- failure 460 **/ 461 int32_t (*unmap_buf) (uint32_t camera_handle, 462 uint8_t buf_type); 463 464 /** set_parms: fucntion definition for setting camera 465 * based parameters to server 466 * @camera_handle : camer handler 467 * @parms : batch for parameters to be set, stored in 468 * parm_buffer_t 469 * Return value: 0 -- success 470 * -1 -- failure 471 * Note: would assume parm_buffer_t is already mapped, and 472 * according parameter entries to be set are filled in the 473 * buf before this call 474 **/ 475 int32_t (*set_parms) (uint32_t camera_handle, 476 parm_buffer_t *parms); 477 478 /** get_parms: fucntion definition for querying camera 479 * based parameters from server 480 * @camera_handle : camer handler 481 * @parms : batch for parameters to be queried, stored in 482 * parm_buffer_t 483 * Return value: 0 -- success 484 * -1 -- failure 485 * Note: would assume parm_buffer_t is already mapped, and 486 * according parameter entries to be queried are filled in 487 * the buf before this call 488 **/ 489 int32_t (*get_parms) (uint32_t camera_handle, 490 parm_buffer_t *parms); 491 492 /** do_auto_focus: fucntion definition for performing auto focus 493 * @camera_handle : camer handler 494 * Return value: 0 -- success 495 * -1 -- failure 496 * Note: if this call success, we will always assume there will 497 * be an auto_focus event following up. 498 **/ 499 int32_t (*do_auto_focus) (uint32_t camera_handle); 500 501 /** cancel_auto_focus: fucntion definition for cancelling 502 * previous auto focus request 503 * @camera_handle : camer handler 504 * Return value: 0 -- success 505 * -1 -- failure 506 **/ 507 int32_t (*cancel_auto_focus) (uint32_t camera_handle); 508 509 /** prepare_snapshot: fucntion definition for preparing hardware 510 * for snapshot. 511 * @camera_handle : camer handler 512 * @do_af_flag : flag indicating if AF needs to be done 513 * 0 -- no AF needed 514 * 1 -- AF needed 515 * Return value: 0 -- success 516 * -1 -- failure 517 **/ 518 int32_t (*prepare_snapshot) (uint32_t camera_handle, 519 int32_t do_af_flag); 520 521 /** start_zsl_snapshot: function definition for starting 522 * zsl snapshot. 523 * @camera_handle : camer handler 524 * @ch_id : channel id 525 * Return value: 0 -- success 526 * -1 -- failure 527 **/ 528 int32_t (*start_zsl_snapshot) (uint32_t camera_handle, uint32_t ch_id); 529 530 /** stop_zsl_snapshot: function definition for stopping 531 * zsl snapshot. 532 * @camera_handle : camer handler 533 * @ch_id : channel id 534 * Return value: 0 -- success 535 * -1 -- failure 536 **/ 537 int32_t (*stop_zsl_snapshot) (uint32_t camera_handle, uint32_t ch_id); 538 539 /** add_channel: fucntion definition for adding a channel 540 * @camera_handle : camer handler 541 * @ch_id : channel handler 542 * @attr : pointer to channel attribute structure 543 * @channel_cb : callbak to handle bundled super buffer 544 * @userdata : user data pointer 545 * Return value: channel id, zero is invalid ch_id 546 * Note: attr, channel_cb, and userdata can be NULL if no 547 * superbufCB is needed 548 **/ 549 uint32_t (*add_channel) (uint32_t camera_handle, 550 mm_camera_channel_attr_t *attr, 551 mm_camera_buf_notify_t channel_cb, 552 void *userdata); 553 554 /** delete_channel: fucntion definition for deleting a channel 555 * @camera_handle : camer handler 556 * @ch_id : channel handler 557 * Return value: 0 -- success 558 * -1 -- failure 559 **/ 560 int32_t (*delete_channel) (uint32_t camera_handle, 561 uint32_t ch_id); 562 563 /** get_bundle_info: function definition for querying bundle 564 * info of the channel 565 * @camera_handle : camera handler 566 * @ch_id : channel handler 567 * @bundle_info : bundle info to be filled in 568 * Return value: 0 -- success 569 * -1 -- failure 570 **/ 571 int32_t (*get_bundle_info) (uint32_t camera_handle, 572 uint32_t ch_id, 573 cam_bundle_config_t *bundle_info); 574 575 /** add_stream: fucntion definition for adding a stream 576 * @camera_handle : camer handler 577 * @ch_id : channel handler 578 * Return value: stream_id. zero is invalid stream_id 579 **/ 580 uint32_t (*add_stream) (uint32_t camera_handle, 581 uint32_t ch_id); 582 583 /** delete_stream: fucntion definition for deleting a stream 584 * @camera_handle : camer handler 585 * @ch_id : channel handler 586 * @stream_id : stream handler 587 * Return value: 0 -- success 588 * -1 -- failure 589 **/ 590 int32_t (*delete_stream) (uint32_t camera_handle, 591 uint32_t ch_id, 592 uint32_t stream_id); 593 594 /** link_stream: function definition for linking a stream 595 * @camera_handle : camera handle 596 * @ch_id : channel handle from which the stream originates 597 * @stream_id : stream handle 598 * @linked_ch_id: channel handle in which the stream will be linked 599 * Return value: 0 -- success 600 * -1 -- failure 601 **/ 602 int32_t (*link_stream) (uint32_t camera_handle, 603 uint32_t ch_id, 604 uint32_t stream_id, 605 uint32_t linked_ch_id); 606 607 /** config_stream: fucntion definition for configuring a stream 608 * @camera_handle : camer handler 609 * @ch_id : channel handler 610 * @stream_id : stream handler 611 * @confid : pointer to a stream configuration structure 612 * Return value: 0 -- success 613 * -1 -- failure 614 **/ 615 int32_t (*config_stream) (uint32_t camera_handle, 616 uint32_t ch_id, 617 uint32_t stream_id, 618 mm_camera_stream_config_t *config); 619 620 /** map_stream_buf: fucntion definition for mapping 621 * stream buffer via domain socket 622 * @camera_handle : camer handler 623 * @ch_id : channel handler 624 * @stream_id : stream handler 625 * @buf_type : type of mapping buffers, can be value of 626 * CAM_MAPPING_BUF_TYPE_STREAM_BUF 627 * CAM_MAPPING_BUF_TYPE_STREAM_INFO 628 * CAM_MAPPING_BUF_TYPE_OFFLINE_INPUT_BUF 629 * @buf_idx : buffer index within the stream buffers 630 * @plane_idx : plane index. If all planes share the same fd, 631 * plane_idx = -1; otherwise, plean_idx is the 632 * index to plane (0..num_of_planes) 633 * @fd : file descriptor of the stream buffer 634 * @size : size of the stream buffer 635 * Return value: 0 -- success 636 * -1 -- failure 637 **/ 638 int32_t (*map_stream_buf) (uint32_t camera_handle, 639 uint32_t ch_id, 640 uint32_t stream_id, 641 uint8_t buf_type, 642 uint32_t buf_idx, 643 int32_t plane_idx, 644 int fd, 645 size_t size); 646 647 /** map_stream_bufs: function definition for mapping multiple 648 * stream buffers via domain socket 649 * @camera_handle : camera handler 650 * @ch_id : channel handler 651 * @buf_map_list : list of buffers to map 652 * Return value: 0 -- success 653 * -1 -- failure 654 **/ 655 int32_t (*map_stream_bufs) (uint32_t camera_handle, 656 uint32_t ch_id, 657 const cam_buf_map_type_list *buf_map_list); 658 659 /** unmap_stream_buf: fucntion definition for unmapping 660 * stream buffer via domain socket 661 * @camera_handle : camer handler 662 * @ch_id : channel handler 663 * @stream_id : stream handler 664 * @buf_type : type of mapping buffers, can be value of 665 * CAM_MAPPING_BUF_TYPE_STREAM_BUF 666 * CAM_MAPPING_BUF_TYPE_STREAM_INFO 667 * CAM_MAPPING_BUF_TYPE_OFFLINE_INPUT_BUF 668 * @buf_idx : buffer index within the stream buffers 669 * @plane_idx : plane index. If all planes share the same fd, 670 * plane_idx = -1; otherwise, plean_idx is the 671 * index to plane (0..num_of_planes) 672 * Return value: 0 -- success 673 * -1 -- failure 674 **/ 675 int32_t (*unmap_stream_buf) (uint32_t camera_handle, 676 uint32_t ch_id, 677 uint32_t stream_id, 678 uint8_t buf_type, 679 uint32_t buf_idx, 680 int32_t plane_idx); 681 682 /** set_stream_parms: fucntion definition for setting stream 683 * specific parameters to server 684 * @camera_handle : camer handler 685 * @ch_id : channel handler 686 * @stream_id : stream handler 687 * @parms : batch for parameters to be set 688 * Return value: 0 -- success 689 * -1 -- failure 690 * Note: would assume parm buffer is already mapped, and 691 * according parameter entries to be set are filled in the 692 * buf before this call 693 **/ 694 int32_t (*set_stream_parms) (uint32_t camera_handle, 695 uint32_t ch_id, 696 uint32_t s_id, 697 cam_stream_parm_buffer_t *parms); 698 699 /** get_stream_parms: fucntion definition for querying stream 700 * specific parameters from server 701 * @camera_handle : camer handler 702 * @ch_id : channel handler 703 * @stream_id : stream handler 704 * @parms : batch for parameters to be queried 705 * Return value: 0 -- success 706 * -1 -- failure 707 * Note: would assume parm buffer is already mapped, and 708 * according parameter entries to be queried are filled in 709 * the buf before this call 710 **/ 711 int32_t (*get_stream_parms) (uint32_t camera_handle, 712 uint32_t ch_id, 713 uint32_t s_id, 714 cam_stream_parm_buffer_t *parms); 715 716 /** start_channel: fucntion definition for starting a channel 717 * @camera_handle : camer handler 718 * @ch_id : channel handler 719 * Return value: 0 -- success 720 * -1 -- failure 721 * This call will start all streams belongs to the channel 722 **/ 723 int32_t (*start_channel) (uint32_t camera_handle, 724 uint32_t ch_id); 725 726 /** stop_channel: fucntion definition for stopping a channel 727 * @camera_handle : camer handler 728 * @ch_id : channel handler 729 * Return value: 0 -- success 730 * -1 -- failure 731 * This call will stop all streams belongs to the channel 732 **/ 733 int32_t (*stop_channel) (uint32_t camera_handle, 734 uint32_t ch_id); 735 736 /** qbuf: fucntion definition for queuing a frame buffer back to 737 * kernel for reuse 738 * @camera_handle : camer handler 739 * @ch_id : channel handler 740 * @buf : a frame buffer to be queued back to kernel 741 * Return value: 0 -- success 742 * -1 -- failure 743 **/ 744 int32_t (*qbuf) (uint32_t camera_handle, 745 uint32_t ch_id, 746 mm_camera_buf_def_t *buf); 747 748 /** get_queued_buf_count: fucntion definition for querying queued buf count 749 * @camera_handle : camer handler 750 * @ch_id : channel handler 751 * @stream_id : stream handler 752 * Return value: queued buf count 753 **/ 754 int32_t (*get_queued_buf_count) (uint32_t camera_handle, 755 uint32_t ch_id, 756 uint32_t stream_id); 757 758 /** request_super_buf: fucntion definition for requesting frames 759 * from superbuf queue in burst mode 760 * @camera_handle : camer handler 761 * @ch_id : channel handler 762 * @buf : provides info related to the super buf request 763 * Return value: 0 -- success 764 * -1 -- failure 765 **/ 766 int32_t (*request_super_buf) (uint32_t camera_handle, 767 uint32_t ch_id, 768 mm_camera_req_buf_t *buf); 769 770 /** cancel_super_buf_request: fucntion definition for canceling 771 * frames dispatched from superbuf queue in 772 * burst mode 773 * @camera_handle : camer handler 774 * @ch_id : channel handler 775 * Return value: 0 -- success 776 * -1 -- failure 777 **/ 778 int32_t (*cancel_super_buf_request) (uint32_t camera_handle, 779 uint32_t ch_id); 780 781 /** flush_super_buf_queue: function definition for flushing out 782 * all frames in the superbuf queue up to frame_idx, 783 * even if frames with frame_idx come in later than 784 * this call. 785 * @camera_handle : camer handler 786 * @ch_id : channel handler 787 * @frame_idx : frame index up until which all superbufs are flushed 788 * Return value: 0 -- success 789 * -1 -- failure 790 **/ 791 int32_t (*flush_super_buf_queue) (uint32_t camera_handle, 792 uint32_t ch_id, uint32_t frame_idx); 793 794 /** configure_notify_mode: function definition for configuring the 795 * notification mode of channel 796 * @camera_handle : camera handler 797 * @ch_id : channel handler 798 * @notify_mode : notification mode 799 * Return value: 0 -- success 800 * -1 -- failure 801 **/ 802 int32_t (*configure_notify_mode) (uint32_t camera_handle, 803 uint32_t ch_id, 804 mm_camera_super_buf_notify_mode_t notify_mode); 805 806 /** process_advanced_capture: function definition for start/stop advanced capture 807 * for snapshot. 808 * @camera_handle : camera handle 809 * @ch_id : channel handler 810 * @type : advanced capture type. 811 * @trigger : flag indicating if advanced capture needs to be done 812 * 0 -- stop advanced capture 813 * 1 -- start advanced capture 814 * @in_value: Input value. Configaration 815 * Return value: 0 -- success 816 * -1 -- failure 817 **/ 818 int32_t (*process_advanced_capture) (uint32_t camera_handle, 819 uint32_t ch_id, mm_camera_advanced_capture_t type, 820 int8_t start_flag, void *in_value); 821 822 /** get_session_id: gets the backend session id from the kernel 823 * @camera_handle : camera handle 824 * @sessionid : session id to be retrieved 825 * Return value: 0 -- success 826 * -1 -- failure 827 * Note: if this call succeeds, we will get a valid session id 828 **/ 829 int32_t (*get_session_id) (uint32_t camera_handle, 830 uint32_t* sessionid); 831 832 /** sync_related_sensors: sends sync cmd 833 * @camera_handle : camera handle 834 * @related_cam_info : related cam info to be sent to server 835 * Return value: 0 -- success 836 * -1 -- failure 837 * Note: if this call succeeds, we will get linking established in back end 838 **/ 839 int32_t (*sync_related_sensors) (uint32_t camera_handle, 840 cam_sync_related_sensors_event_info_t* 841 related_cam_info); 842 /** flush: function definition for flush 843 * @camera_handle: camera handler 844 * Return value: 0 -- success 845 * -1 -- failure 846 **/ 847 int32_t (*flush) (uint32_t camera_handle); 848 849 /** register_stream_buf_cb: fucntion definition for registering special stream callbacks 850 * @camera_handle : camer handler 851 * @ch_id : channel handler 852 * @stream_id : stream handler 853 * @buf_cb : callback function pointer 854 * @cb_type : Callback type SYNC/ASYNC 855 * @userdata : user data pointer 856 * Return value: 0 -- success 857 * - 1 -- failure 858 **/ 859 int32_t (*register_stream_buf_cb) (uint32_t camera_handle, 860 uint32_t ch_id, uint32_t stream_id, mm_camera_buf_notify_t buf_cb, 861 mm_camera_stream_cb_type cb_type, void *userdata); 862} mm_camera_ops_t; 863 864/** mm_camera_vtbl_t: virtual table for camera operations 865* @camera_handle : camera handler which uniquely identifies a 866* camera object 867* @ops : API call table 868**/ 869typedef struct { 870 uint32_t camera_handle; 871 mm_camera_ops_t *ops; 872} mm_camera_vtbl_t; 873 874/* return number of cameras */ 875uint8_t get_num_of_cameras(); 876 877/* return reference pointer of camera vtbl */ 878int32_t camera_open(uint8_t camera_idx, mm_camera_vtbl_t **camera_obj); 879 880/* helper functions */ 881int32_t mm_stream_calc_offset_preview(cam_stream_info_t *stream_info, 882 cam_dimension_t *dim, 883 cam_padding_info_t *padding, 884 cam_stream_buf_plane_info_t *buf_planes); 885 886int32_t mm_stream_calc_offset_post_view(cam_format_t fmt, 887 cam_dimension_t *dim, 888 cam_stream_buf_plane_info_t *buf_planes); 889 890int32_t mm_stream_calc_offset_snapshot(cam_format_t fmt, 891 cam_dimension_t *dim, 892 cam_padding_info_t *padding, 893 cam_stream_buf_plane_info_t *buf_planes); 894 895int32_t mm_stream_calc_offset_raw(cam_format_t fmt, 896 cam_dimension_t *dim, 897 cam_padding_info_t *padding, 898 cam_stream_buf_plane_info_t *buf_planes); 899 900int32_t mm_stream_calc_offset_video(cam_format_t fmt, 901 cam_dimension_t *dim, 902 cam_stream_buf_plane_info_t *buf_planes); 903 904int32_t mm_stream_calc_offset_metadata(cam_dimension_t *dim, 905 cam_padding_info_t *padding, 906 cam_stream_buf_plane_info_t *buf_planes); 907 908int32_t mm_stream_calc_offset_postproc(cam_stream_info_t *stream_info, 909 cam_padding_info_t *padding, 910 cam_stream_buf_plane_info_t *buf_planes); 911 912int32_t mm_stream_calc_offset_analysis(cam_format_t fmt, 913 cam_dimension_t *dim, 914 cam_padding_info_t *padding, 915 cam_stream_buf_plane_info_t *buf_planes); 916 917uint32_t mm_stream_calc_lcm (int32_t num1, int32_t num2); 918 919struct camera_info *get_cam_info(uint32_t camera_id, cam_sync_type_t *pCamType); 920 921uint8_t is_yuv_sensor(uint32_t camera_id); 922 923#endif /*__MM_CAMERA_INTERFACE_H__*/ 924