drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/pipeline/src/pipeline.c

   1 #ifndef ISP2401
   2 /*
   3  * Support for Intel Camera Imaging ISP subsystem.
   4  * Copyright (c) 2015, Intel Corporation.
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms and conditions of the GNU General Public License,
   8  * version 2, as published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13  * more details.
  14  */
  15 #else
  16 /**
  17 Support for Intel Camera Imaging ISP subsystem.
  18 Copyright (c) 2010 - 2015, Intel Corporation.
  19
  20 This program is free software; you can redistribute it and/or modify it
  21 under the terms and conditions of the GNU General Public License,
  22 version 2, as published by the Free Software Foundation.
  23
  24 This program is distributed in the hope it will be useful, but WITHOUT
  25 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  26 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  27 more details.
  28 */
  29 #endif
  30
  31 #include "ia_css_debug.h"
  32 #include "sw_event_global.h"            /* encode_sw_event */
  33 #include "sp.h"                 /* cnd_sp_irq_enable() */
  34 #include "assert_support.h"
  35 #include "memory_access.h"
  36 #include "sh_css_sp.h"
  37 #include "ia_css_pipeline.h"
  38 #include "ia_css_isp_param.h"
  39 #include "ia_css_bufq.h"
  40
  41 #define PIPELINE_NUM_UNMAPPED                   (~0U)
  42 #define PIPELINE_SP_THREAD_EMPTY_TOKEN          (0x0)
  43 #define PIPELINE_SP_THREAD_RESERVED_TOKEN       (0x1)
  44
  45
  46 /*******************************************************
  47 *** Static variables
  48 ********************************************************/
  49 static unsigned int pipeline_num_to_sp_thread_map[IA_CSS_PIPELINE_NUM_MAX];
  50 static unsigned int pipeline_sp_thread_list[SH_CSS_MAX_SP_THREADS];
  51
  52 /*******************************************************
  53 *** Static functions
  54 ********************************************************/
  55 static void pipeline_init_sp_thread_map(void);
  56 static void pipeline_map_num_to_sp_thread(unsigned int pipe_num);
  57 static void pipeline_unmap_num_to_sp_thread(unsigned int pipe_num);
  58 static void pipeline_init_defaults(
  59         struct ia_css_pipeline *pipeline,
  60         enum ia_css_pipe_id pipe_id,
  61         unsigned int pipe_num,
  62         unsigned int dvs_frame_delay);
  63
  64 static void pipeline_stage_destroy(struct ia_css_pipeline_stage *stage);
  65 static enum ia_css_err pipeline_stage_create(
  66         struct ia_css_pipeline_stage_desc *stage_desc,
  67         struct ia_css_pipeline_stage **new_stage);
  68 static void ia_css_pipeline_set_zoom_stage(struct ia_css_pipeline *pipeline);
  69 static void ia_css_pipeline_configure_inout_port(struct ia_css_pipeline *me,
  70         bool continuous);
  71
  72 /*******************************************************
  73 *** Public functions
  74 ********************************************************/
  75 void ia_css_pipeline_init(void)
  76 {
  77         pipeline_init_sp_thread_map();
  78 }
  79
  80 enum ia_css_err ia_css_pipeline_create(
  81         struct ia_css_pipeline *pipeline,
  82         enum ia_css_pipe_id pipe_id,
  83         unsigned int pipe_num,
  84         unsigned int dvs_frame_delay)
  85 {
  86         assert(pipeline != NULL);
  87         IA_CSS_ENTER_PRIVATE("pipeline = %p, pipe_id = %d, pipe_num = %d, dvs_frame_delay = %d",
  88                      pipeline, pipe_id, pipe_num, dvs_frame_delay);
  89         if (pipeline == NULL) {
  90                 IA_CSS_LEAVE_ERR_PRIVATE(IA_CSS_ERR_INVALID_ARGUMENTS);
  91                 return IA_CSS_ERR_INVALID_ARGUMENTS;
  92         }
  93
  94         pipeline_init_defaults(pipeline, pipe_id, pipe_num, dvs_frame_delay);
  95
  96         IA_CSS_LEAVE_ERR_PRIVATE(IA_CSS_SUCCESS);
  97         return IA_CSS_SUCCESS;
  98 }
  99
 100 void ia_css_pipeline_map(unsigned int pipe_num, bool map)
 101 {
 102         assert(pipe_num < IA_CSS_PIPELINE_NUM_MAX);
 103         IA_CSS_ENTER_PRIVATE("pipe_num = %d, map = %d", pipe_num, map);
 104
 105         if (pipe_num >= IA_CSS_PIPELINE_NUM_MAX) {
 106                 IA_CSS_ERROR("Invalid pipe number");
 107                 IA_CSS_LEAVE_PRIVATE("void");
 108                 return;
 109         }
 110         if (map)
 111                 pipeline_map_num_to_sp_thread(pipe_num);
 112         else
 113                 pipeline_unmap_num_to_sp_thread(pipe_num);
 114         IA_CSS_LEAVE_PRIVATE("void");
 115 }
 116
 117 /** @brief destroy a pipeline
 118  *
 119  * @param[in] pipeline
 120  * @return    None
 121  *
 122  */
 123 void ia_css_pipeline_destroy(struct ia_css_pipeline *pipeline)
 124 {
 125         assert(pipeline != NULL);
 126         IA_CSS_ENTER_PRIVATE("pipeline = %p", pipeline);
 127
 128         if (pipeline == NULL) {
 129                 IA_CSS_ERROR("NULL input parameter");
 130                 IA_CSS_LEAVE_PRIVATE("void");
 131                 return;
 132         }
 133
 134         IA_CSS_LOG("pipe_num = %d", pipeline->pipe_num);
 135
 136         /* Free the pipeline number */
 137         ia_css_pipeline_clean(pipeline);
 138
 139         IA_CSS_LEAVE_PRIVATE("void");
 140 }
 141
 142 /* Run a pipeline and wait till it completes. */
 143 void ia_css_pipeline_start(enum ia_css_pipe_id pipe_id,
 144                            struct ia_css_pipeline *pipeline)
 145 {
 146         uint8_t pipe_num = 0;
 147         unsigned int thread_id;
 148
 149         assert(pipeline != NULL);
 150         ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
 151               "ia_css_pipeline_start() enter: pipe_id=%d, pipeline=%p\n",
 152               pipe_id, pipeline);
 153         pipeline->pipe_id = pipe_id;
 154         sh_css_sp_init_pipeline(pipeline, pipe_id, pipe_num,
 155                                 false, false, false, true, SH_CSS_BDS_FACTOR_1_00,
 156                                 SH_CSS_PIPE_CONFIG_OVRD_NO_OVRD,
 157 #ifndef ISP2401
 158                                 IA_CSS_INPUT_MODE_MEMORY, NULL, NULL
 159 #else
 160                                 IA_CSS_INPUT_MODE_MEMORY, NULL, NULL,
 161 #endif
 162 #if !defined(HAS_NO_INPUT_SYSTEM)
 163 #ifndef ISP2401
 164                                 , (mipi_port_ID_t) 0
 165 #else
 166                                 (mipi_port_ID_t) 0,
 167 #endif
 168 #endif
 169 #ifndef ISP2401
 170                                 );
 171 #else
 172                                 NULL, NULL);
 173 #endif
 174         ia_css_pipeline_get_sp_thread_id(pipe_num, &thread_id);
 175         if (!sh_css_sp_is_running()) {
 176                 ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
 177                 "ia_css_pipeline_start() error,leaving\n");
 178                 /* queues are invalid*/
 179                 return;
 180         }
 181         ia_css_bufq_enqueue_psys_event(IA_CSS_PSYS_SW_EVENT_START_STREAM,
 182                                        (uint8_t)thread_id,
 183                                        0,
 184                                        0);
 185
 186         ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
 187               "ia_css_pipeline_start() leave: return_void\n");
 188 }
 189
 190 /**
 191  * @brief Query the SP thread ID.
 192  * Refer to "sh_css_internal.h" for details.
 193  */
 194 bool ia_css_pipeline_get_sp_thread_id(unsigned int key, unsigned int *val)
 195 {
 196
 197         IA_CSS_ENTER("key=%d, val=%p", key, val);
 198
 199         if ((val == NULL) || (key >= IA_CSS_PIPELINE_NUM_MAX) || (key >= IA_CSS_PIPE_ID_NUM)) {
 200                 IA_CSS_LEAVE("return value = false");
 201                 return false;
 202         }
 203
 204         *val = pipeline_num_to_sp_thread_map[key];
 205
 206         if (*val == (unsigned)PIPELINE_NUM_UNMAPPED) {
 207                 IA_CSS_LOG("unmapped pipeline number");
 208                 IA_CSS_LEAVE("return value = false");
 209                 return false;
 210         }
 211         IA_CSS_LEAVE("return value = true");
 212         return true;
 213 }
 214
 215 void ia_css_pipeline_dump_thread_map_info(void)
 216 {
 217         unsigned int i;
 218         ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
 219                 "pipeline_num_to_sp_thread_map:\n");
 220         for (i = 0; i < IA_CSS_PIPELINE_NUM_MAX; i++) {
 221                 ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
 222                         "pipe_num: %u, tid: 0x%x\n", i, pipeline_num_to_sp_thread_map[i]);
 223         }
 224 }
 225
 226 enum ia_css_err ia_css_pipeline_request_stop(struct ia_css_pipeline *pipeline)
 227 {
 228         enum ia_css_err err = IA_CSS_SUCCESS;
 229         unsigned int thread_id;
 230
 231         assert(pipeline != NULL);
 232
 233         if (pipeline == NULL)
 234                 return IA_CSS_ERR_INVALID_ARGUMENTS;
 235
 236         ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
 237                 "ia_css_pipeline_request_stop() enter: pipeline=%p\n",
 238                 pipeline);
 239         pipeline->stop_requested = true;
 240
 241         /* Send stop event to the sp*/
 242         /* This needs improvement, stop on all the pipes available
 243          * in the stream*/
 244         ia_css_pipeline_get_sp_thread_id(pipeline->pipe_num, &thread_id);
 245         if (!sh_css_sp_is_running())
 246         {
 247                 ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
 248                 "ia_css_pipeline_request_stop() leaving\n");
 249                 /* queues are invalid */
 250                 return IA_CSS_ERR_RESOURCE_NOT_AVAILABLE;
 251         }
 252         ia_css_bufq_enqueue_psys_event(IA_CSS_PSYS_SW_EVENT_STOP_STREAM,
 253                                        (uint8_t)thread_id,
 254                                        0,
 255                                        0);
 256         sh_css_sp_uninit_pipeline(pipeline->pipe_num);
 257
 258         ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
 259                       "ia_css_pipeline_request_stop() leave: return_err=%d\n",
 260                       err);
 261         return err;
 262 }
 263
 264 void ia_css_pipeline_clean(struct ia_css_pipeline *pipeline)
 265 {
 266         struct ia_css_pipeline_stage *s;
 267
 268         assert(pipeline != NULL);
 269         IA_CSS_ENTER_PRIVATE("pipeline = %p", pipeline);
 270
 271         if (pipeline == NULL) {
 272                 IA_CSS_ERROR("NULL input parameter");
 273                 IA_CSS_LEAVE_PRIVATE("void");
 274                 return;
 275         }
 276         s = pipeline->stages;
 277
 278         while (s) {
 279                 struct ia_css_pipeline_stage *next = s->next;
 280                 pipeline_stage_destroy(s);
 281                 s = next;
 282         }
 283         pipeline_init_defaults(pipeline, pipeline->pipe_id, pipeline->pipe_num, pipeline->dvs_frame_delay);
 284
 285         IA_CSS_LEAVE_PRIVATE("void");
 286 }
 287
 288 /** @brief Add a stage to pipeline.
 289  *
 290  * @param       pipeline      Pointer to the pipeline to be added to.
 291  * @param[in]   stage_desc    The description of the stage
 292  * @param[out]  stage         The successor of the stage.
 293  * @return      IA_CSS_SUCCESS or error code upon error.
 294  *
 295  * Add a new stage to a non-NULL pipeline.
 296  * The stage consists of an ISP binary or firmware and input and
 297  * output arguments.
 298 */
 299 enum ia_css_err ia_css_pipeline_create_and_add_stage(
 300                 struct ia_css_pipeline *pipeline,
 301                 struct ia_css_pipeline_stage_desc *stage_desc,
 302                 struct ia_css_pipeline_stage **stage)
 303 {
 304         struct ia_css_pipeline_stage *last, *new_stage = NULL;
 305         enum ia_css_err err;
 306
 307         /* other arguments can be NULL */
 308         assert(pipeline != NULL);
 309         assert(stage_desc != NULL);
 310         last = pipeline->stages;
 311
 312         ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
 313                       "ia_css_pipeline_create_and_add_stage() enter:\n");
 314         if (!stage_desc->binary && !stage_desc->firmware
 315             && (stage_desc->sp_func == IA_CSS_PIPELINE_NO_FUNC)) {
 316                 ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
 317                               "ia_css_pipeline_create_and_add_stage() done:"
 318                               " Invalid args\n");
 319
 320                 return IA_CSS_ERR_INTERNAL_ERROR;
 321         }
 322
 323         /* Find the last stage */
 324         while (last && last->next)
 325                 last = last->next;
 326
 327         /* if in_frame is not set, we use the out_frame from the previous
 328          * stage, if no previous stage, it's an error.
 329          */
 330         if ((stage_desc->sp_func == IA_CSS_PIPELINE_NO_FUNC)
 331                 && (!stage_desc->in_frame)
 332                 && (!stage_desc->firmware)
 333                 && (!stage_desc->binary->online)) {
 334
 335                 /* Do this only for ISP stages*/
 336                 if (last && last->args.out_frame[0])
 337                         stage_desc->in_frame = last->args.out_frame[0];
 338
 339                 if (!stage_desc->in_frame)
 340                         return IA_CSS_ERR_INTERNAL_ERROR;
 341         }
 342
 343         /* Create the new stage */
 344         err = pipeline_stage_create(stage_desc, &new_stage);
 345         if (err != IA_CSS_SUCCESS) {
 346                 ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
 347                               "ia_css_pipeline_create_and_add_stage() done:"
 348                               " stage_create_failed\n");
 349                 return err;
 350         }
 351
 352         if (last)
 353                 last->next = new_stage;
 354         else
 355                 pipeline->stages = new_stage;
 356
 357         /* Output the new stage */
 358         if (stage)
 359                 *stage = new_stage;
 360
 361         ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
 362                       "ia_css_pipeline_create_and_add_stage() done:\n");
 363         return IA_CSS_SUCCESS;
 364 }
 365
 366 void ia_css_pipeline_finalize_stages(struct ia_css_pipeline *pipeline,
 367                         bool continuous)
 368 {
 369         unsigned i = 0;
 370         struct ia_css_pipeline_stage *stage;
 371
 372         assert(pipeline != NULL);
 373         for (stage = pipeline->stages; stage; stage = stage->next) {
 374                 stage->stage_num = i;
 375                 i++;
 376         }
 377         pipeline->num_stages = i;
 378
 379         ia_css_pipeline_set_zoom_stage(pipeline);
 380         ia_css_pipeline_configure_inout_port(pipeline, continuous);
 381 }
 382
 383 enum ia_css_err ia_css_pipeline_get_stage(struct ia_css_pipeline *pipeline,
 384                                           int mode,
 385                                           struct ia_css_pipeline_stage **stage)
 386 {
 387         struct ia_css_pipeline_stage *s;
 388         assert(pipeline != NULL);
 389         assert(stage != NULL);
 390         ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
 391                       "ia_css_pipeline_get_stage() enter:\n");
 392         for (s = pipeline->stages; s; s = s->next) {
 393                 if (s->mode == mode) {
 394                         *stage = s;
 395                         return IA_CSS_SUCCESS;
 396                 }
 397         }
 398         return IA_CSS_ERR_INTERNAL_ERROR;
 399 }
 400
 401 enum ia_css_err ia_css_pipeline_get_stage_from_fw(struct ia_css_pipeline *pipeline,
 402                           uint32_t fw_handle,
 403                           struct ia_css_pipeline_stage **stage)
 404 {
 405         struct ia_css_pipeline_stage *s;
 406         assert(pipeline != NULL);
 407         assert(stage != NULL);
 408         ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,"%s() \n",__func__);
 409         for (s = pipeline->stages; s; s = s->next) {
 410                 if ((s->firmware) && (s->firmware->handle == fw_handle)) {
 411                         *stage = s;
 412                         return IA_CSS_SUCCESS;
 413                 }
 414         }
 415         return IA_CSS_ERR_INTERNAL_ERROR;
 416 }
 417
 418 enum ia_css_err ia_css_pipeline_get_fw_from_stage(struct ia_css_pipeline *pipeline,
 419                           uint32_t stage_num,
 420                           uint32_t *fw_handle)
 421 {
 422         struct ia_css_pipeline_stage *s;
 423
 424         ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,"%s() \n",__func__);
 425         if ((pipeline == NULL) || (fw_handle == NULL))
 426                 return IA_CSS_ERR_INVALID_ARGUMENTS;
 427
 428         for (s = pipeline->stages; s; s = s->next) {
 429                 if((s->stage_num == stage_num) && (s->firmware)) {
 430                         *fw_handle = s->firmware->handle;
 431                         return IA_CSS_SUCCESS;
 432                 }
 433         }
 434         return IA_CSS_ERR_INTERNAL_ERROR;
 435 }
 436
 437 enum ia_css_err ia_css_pipeline_get_output_stage(
 438                 struct ia_css_pipeline *pipeline,
 439                 int mode,
 440                 struct ia_css_pipeline_stage **stage)
 441 {
 442         struct ia_css_pipeline_stage *s;
 443         assert(pipeline != NULL);
 444         assert(stage != NULL);
 445         ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
 446                       "ia_css_pipeline_get_output_stage() enter:\n");
 447
 448         *stage = NULL;
 449         /* First find acceleration firmware at end of pipe */
 450         for (s = pipeline->stages; s; s = s->next) {
 451                 if (s->firmware && s->mode == mode &&
 452                     s->firmware->info.isp.sp.enable.output)
 453                         *stage = s;
 454         }
 455         if (*stage)
 456                 return IA_CSS_SUCCESS;
 457         /* If no firmware, find binary in pipe */
 458         return ia_css_pipeline_get_stage(pipeline, mode, stage);
 459 }
 460
 461 bool ia_css_pipeline_has_stopped(struct ia_css_pipeline *pipeline)
 462 {
 463         /* Android compilation files if made an local variable
 464         stack size on android is limited to 2k and this structure
 465         is around 2.5K, in place of static malloc can be done but
 466         if this call is made too often it will lead to fragment memory
 467         versus a fixed allocation */
 468         static struct sh_css_sp_group sp_group;
 469         unsigned int thread_id;
 470         const struct ia_css_fw_info *fw;
 471         unsigned int HIVE_ADDR_sp_group;
 472
 473         fw = &sh_css_sp_fw;
 474         HIVE_ADDR_sp_group = fw->info.sp.group;
 475
 476         ia_css_pipeline_get_sp_thread_id(pipeline->pipe_num, &thread_id);
 477         sp_dmem_load(SP0_ID,
 478                      (unsigned int)sp_address_of(sp_group),
 479                      &sp_group, sizeof(struct sh_css_sp_group));
 480         return sp_group.pipe[thread_id].num_stages == 0;
 481 }
 482
 483 #if defined(USE_INPUT_SYSTEM_VERSION_2401)
 484 struct sh_css_sp_pipeline_io_status *ia_css_pipeline_get_pipe_io_status(void)
 485 {
 486         return(&sh_css_sp_group.pipe_io_status);
 487 }
 488 #endif
 489
 490 bool ia_css_pipeline_is_mapped(unsigned int key)
 491 {
 492         bool ret = false;
 493
 494         IA_CSS_ENTER_PRIVATE("key = %d", key);
 495
 496         if ((key >= IA_CSS_PIPELINE_NUM_MAX) || (key >= IA_CSS_PIPE_ID_NUM)) {
 497                 IA_CSS_ERROR("Invalid key!!");
 498                 IA_CSS_LEAVE_PRIVATE("return = %d", false);
 499                 return false;
 500         }
 501
 502         ret = (bool)(pipeline_num_to_sp_thread_map[key] != (unsigned)PIPELINE_NUM_UNMAPPED);
 503
 504         IA_CSS_LEAVE_PRIVATE("return = %d", ret);
 505         return ret;
 506 }
 507
 508 /*******************************************************
 509 *** Static functions
 510 ********************************************************/
 511
 512 /* Pipeline:
 513  * To organize the several different binaries for each type of mode,
 514  * we use a pipeline. A pipeline contains a number of stages, each with
 515  * their own binary and frame pointers.
 516  * When stages are added to a pipeline, output frames that are not passed
 517  * from outside are automatically allocated.
 518  * When input frames are not passed from outside, each stage will use the
 519  * output frame of the previous stage as input (the full resolution output,
 520  * not the viewfinder output).
 521  * Pipelines must be cleaned and re-created when settings of the binaries
 522  * change.
 523  */
 524 static void pipeline_stage_destroy(struct ia_css_pipeline_stage *stage)
 525 {
 526         unsigned int i;
 527         for (i = 0; i < IA_CSS_BINARY_MAX_OUTPUT_PORTS; i++) {
 528                 if (stage->out_frame_allocated[i]) {
 529                         ia_css_frame_free(stage->args.out_frame[i]);
 530                         stage->args.out_frame[i] = NULL;
 531                 }
 532         }
 533         if (stage->vf_frame_allocated) {
 534                 ia_css_frame_free(stage->args.out_vf_frame);
 535                 stage->args.out_vf_frame = NULL;
 536         }
 537         sh_css_free(stage);
 538 }
 539
 540 static void pipeline_init_sp_thread_map(void)
 541 {
 542         unsigned int i;
 543
 544         for (i = 1; i < SH_CSS_MAX_SP_THREADS; i++)
 545                 pipeline_sp_thread_list[i] = PIPELINE_SP_THREAD_EMPTY_TOKEN;
 546
 547         for (i = 0; i < IA_CSS_PIPELINE_NUM_MAX; i++)
 548                 pipeline_num_to_sp_thread_map[i] = PIPELINE_NUM_UNMAPPED;
 549 }
 550
 551 static void pipeline_map_num_to_sp_thread(unsigned int pipe_num)
 552 {
 553         unsigned int i;
 554         bool found_sp_thread = false;
 555
 556         /* pipe is not mapped to any thread */
 557         assert(pipeline_num_to_sp_thread_map[pipe_num]
 558                 == (unsigned)PIPELINE_NUM_UNMAPPED);
 559
 560         for (i = 0; i < SH_CSS_MAX_SP_THREADS; i++) {
 561                 if (pipeline_sp_thread_list[i] ==
 562                     PIPELINE_SP_THREAD_EMPTY_TOKEN) {
 563                         pipeline_sp_thread_list[i] =
 564                             PIPELINE_SP_THREAD_RESERVED_TOKEN;
 565                         pipeline_num_to_sp_thread_map[pipe_num] = i;
 566                         found_sp_thread = true;
 567                         break;
 568                 }
 569         }
 570
 571         /* Make sure a mapping is found */
 572         /* I could do:
 573                 assert(i < SH_CSS_MAX_SP_THREADS);
 574
 575                 But the below is more descriptive.
 576         */
 577         assert(found_sp_thread != false);
 578 }
 579
 580 static void pipeline_unmap_num_to_sp_thread(unsigned int pipe_num)
 581 {
 582         unsigned int thread_id;
 583         assert(pipeline_num_to_sp_thread_map[pipe_num]
 584                 != (unsigned)PIPELINE_NUM_UNMAPPED);
 585
 586         thread_id = pipeline_num_to_sp_thread_map[pipe_num];
 587         pipeline_num_to_sp_thread_map[pipe_num] = PIPELINE_NUM_UNMAPPED;
 588         pipeline_sp_thread_list[thread_id] = PIPELINE_SP_THREAD_EMPTY_TOKEN;
 589 }
 590
 591 static enum ia_css_err pipeline_stage_create(
 592         struct ia_css_pipeline_stage_desc *stage_desc,
 593         struct ia_css_pipeline_stage **new_stage)
 594 {
 595         enum ia_css_err err = IA_CSS_SUCCESS;
 596         struct ia_css_pipeline_stage *stage = NULL;
 597         struct ia_css_binary *binary;
 598         struct ia_css_frame *vf_frame;
 599         struct ia_css_frame *out_frame[IA_CSS_BINARY_MAX_OUTPUT_PORTS];
 600         const struct ia_css_fw_info *firmware;
 601         unsigned int i;
 602
 603         /* Verify input parameters*/
 604         if (!(stage_desc->in_frame) && !(stage_desc->firmware)
 605             && (stage_desc->binary) && !(stage_desc->binary->online)) {
 606             err = IA_CSS_ERR_INTERNAL_ERROR;
 607                 goto ERR;
 608         }
 609
 610         binary = stage_desc->binary;
 611         firmware = stage_desc->firmware;
 612         vf_frame = stage_desc->vf_frame;
 613         for (i = 0; i < IA_CSS_BINARY_MAX_OUTPUT_PORTS; i++) {
 614                 out_frame[i] = stage_desc->out_frame[i];
 615         }
 616
 617         stage = sh_css_malloc(sizeof(*stage));
 618         if (stage == NULL) {
 619                 err = IA_CSS_ERR_CANNOT_ALLOCATE_MEMORY;
 620                 goto ERR;
 621         }
 622         memset(stage, 0, sizeof(*stage));
 623
 624         if (firmware) {
 625                 stage->binary = NULL;
 626                 stage->binary_info =
 627                     (struct ia_css_binary_info *)&firmware->info.isp;
 628         } else {
 629                 stage->binary = binary;
 630                 if (binary)
 631                         stage->binary_info =
 632                             (struct ia_css_binary_info *)binary->info;
 633                 else
 634                         stage->binary_info = NULL;
 635         }
 636
 637         stage->firmware = firmware;
 638         stage->sp_func = stage_desc->sp_func;
 639         stage->max_input_width = stage_desc->max_input_width;
 640         stage->mode = stage_desc->mode;
 641         for (i = 0; i < IA_CSS_BINARY_MAX_OUTPUT_PORTS; i++)
 642                 stage->out_frame_allocated[i] = false;
 643         stage->vf_frame_allocated = false;
 644         stage->next = NULL;
 645         sh_css_binary_args_reset(&stage->args);
 646
 647         for (i = 0; i < IA_CSS_BINARY_MAX_OUTPUT_PORTS; i++) {
 648                 if (!(out_frame[i]) && (binary)
 649                         && (binary->out_frame_info[i].res.width)) {
 650                         err = ia_css_frame_allocate_from_info(&out_frame[i],
 651                                                         &binary->out_frame_info[i]);
 652                         if (err != IA_CSS_SUCCESS)
 653                                 goto ERR;
 654                         stage->out_frame_allocated[i] = true;
 655                 }
 656         }
 657         /* VF frame is not needed in case of need_pp
 658            However, the capture binary needs a vf frame to write to.
 659          */
 660         if (!vf_frame) {
 661                 if ((binary && binary->vf_frame_info.res.width) ||
 662                     (firmware && firmware->info.isp.sp.enable.vf_veceven)
 663                     ) {
 664                         err = ia_css_frame_allocate_from_info(&vf_frame,
 665                                                         &binary->vf_frame_info);
 666                         if (err != IA_CSS_SUCCESS)
 667                                 goto ERR;
 668                         stage->vf_frame_allocated = true;
 669                 }
 670         } else if (vf_frame && binary && binary->vf_frame_info.res.width
 671                 && !firmware) {
 672                 /* only mark as allocated if buffer pointer available */
 673                 if (vf_frame->data != mmgr_NULL)
 674                         stage->vf_frame_allocated = true;
 675         }
 676
 677         stage->args.in_frame = stage_desc->in_frame;
 678         for (i = 0; i < IA_CSS_BINARY_MAX_OUTPUT_PORTS; i++)
 679                 stage->args.out_frame[i] = out_frame[i];
 680         stage->args.out_vf_frame = vf_frame;
 681         *new_stage = stage;
 682         return err;
 683 ERR:
 684         if (stage != NULL)
 685                 pipeline_stage_destroy(stage);
 686         return err;
 687 }
 688
 689 static void pipeline_init_defaults(
 690         struct ia_css_pipeline *pipeline,
 691         enum ia_css_pipe_id pipe_id,
 692         unsigned int pipe_num,
 693         unsigned int dvs_frame_delay)
 694 {
 695         struct ia_css_frame init_frame = DEFAULT_FRAME;
 696         unsigned int i;
 697
 698         pipeline->pipe_id = pipe_id;
 699         pipeline->stages = NULL;
 700         pipeline->stop_requested = false;
 701         pipeline->current_stage = NULL;
 702         pipeline->in_frame = init_frame;
 703         for (i = 0; i < IA_CSS_PIPE_MAX_OUTPUT_STAGE; i++) {
 704                 pipeline->out_frame[i] = init_frame;
 705                 pipeline->vf_frame[i] = init_frame;
 706         }
 707         pipeline->num_execs = -1;
 708         pipeline->acquire_isp_each_stage = true;
 709         pipeline->pipe_num = (uint8_t)pipe_num;
 710         pipeline->dvs_frame_delay = dvs_frame_delay;
 711 }
 712
 713 static void ia_css_pipeline_set_zoom_stage(struct ia_css_pipeline *pipeline)
 714 {
 715         struct ia_css_pipeline_stage *stage = NULL;
 716         enum ia_css_err err = IA_CSS_SUCCESS;
 717
 718         assert(pipeline != NULL);
 719         if (pipeline->pipe_id == IA_CSS_PIPE_ID_PREVIEW) {
 720                 /* in preview pipeline, vf_pp stage should do zoom */
 721                 err = ia_css_pipeline_get_stage(pipeline, IA_CSS_BINARY_MODE_VF_PP, &stage);
 722                 if (err == IA_CSS_SUCCESS)
 723                         stage->enable_zoom = true;
 724         } else if (pipeline->pipe_id == IA_CSS_PIPE_ID_CAPTURE) {
 725                 /* in capture pipeline, capture_pp stage should do zoom */
 726                 err = ia_css_pipeline_get_stage(pipeline, IA_CSS_BINARY_MODE_CAPTURE_PP, &stage);
 727                 if (err == IA_CSS_SUCCESS)
 728                         stage->enable_zoom = true;
 729         } else if (pipeline->pipe_id == IA_CSS_PIPE_ID_VIDEO) {
 730                 /* in video pipeline, video stage should do zoom */
 731                 err = ia_css_pipeline_get_stage(pipeline, IA_CSS_BINARY_MODE_VIDEO, &stage);
 732                 if (err == IA_CSS_SUCCESS)
 733                         stage->enable_zoom = true;
 734         } else if (pipeline->pipe_id == IA_CSS_PIPE_ID_YUVPP) {
 735                 /* in yuvpp pipeline, first yuv_scaler stage should do zoom */
 736                 err = ia_css_pipeline_get_stage(pipeline, IA_CSS_BINARY_MODE_CAPTURE_PP, &stage);
 737                 if (err == IA_CSS_SUCCESS)
 738                         stage->enable_zoom = true;
 739         }
 740 }
 741
 742 static void
 743 ia_css_pipeline_configure_inout_port(struct ia_css_pipeline *me, bool continuous)
 744 {
 745         ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE,
 746                 "ia_css_pipeline_configure_inout_port() enter: pipe_id(%d) continuous(%d)\n",
 747                         me->pipe_id, continuous);
 748         switch (me->pipe_id) {
 749                 case IA_CSS_PIPE_ID_PREVIEW:
 750                 case IA_CSS_PIPE_ID_VIDEO:
 751                         SH_CSS_PIPE_PORT_CONFIG_SET(me->inout_port_config,
 752                                                    (uint8_t)SH_CSS_PORT_INPUT,
 753                                                    (uint8_t)(continuous ? SH_CSS_COPYSINK_TYPE : SH_CSS_HOST_TYPE), 1);
 754                         SH_CSS_PIPE_PORT_CONFIG_SET(me->inout_port_config,
 755                                                    (uint8_t)SH_CSS_PORT_OUTPUT,
 756                                                    (uint8_t)SH_CSS_HOST_TYPE, 1);
 757                         break;
 758                 case IA_CSS_PIPE_ID_COPY: /*Copy pipe ports configured to "offline" mode*/
 759                         SH_CSS_PIPE_PORT_CONFIG_SET(me->inout_port_config,
 760                                                    (uint8_t)SH_CSS_PORT_INPUT,
 761                                                    (uint8_t)SH_CSS_HOST_TYPE, 1);
 762                         if (continuous) {
 763                                 SH_CSS_PIPE_PORT_CONFIG_SET(me->inout_port_config,
 764                                                    (uint8_t)SH_CSS_PORT_OUTPUT,
 765                                                    (uint8_t)SH_CSS_COPYSINK_TYPE, 1);
 766                                 SH_CSS_PIPE_PORT_CONFIG_SET(me->inout_port_config,
 767                                                    (uint8_t)SH_CSS_PORT_OUTPUT,
 768                                                    (uint8_t)SH_CSS_TAGGERSINK_TYPE, 1);
 769                         } else {
 770                                 SH_CSS_PIPE_PORT_CONFIG_SET(me->inout_port_config,
 771                                                    (uint8_t)SH_CSS_PORT_OUTPUT,
 772                                                    (uint8_t)SH_CSS_HOST_TYPE, 1);
 773                         }
 774                         break;
 775                 case IA_CSS_PIPE_ID_CAPTURE:
 776                         SH_CSS_PIPE_PORT_CONFIG_SET(me->inout_port_config,
 777                                                    (uint8_t)SH_CSS_PORT_INPUT,
 778                                                    (uint8_t)(continuous ? SH_CSS_TAGGERSINK_TYPE : SH_CSS_HOST_TYPE),
 779                                                    1);
 780                         SH_CSS_PIPE_PORT_CONFIG_SET(me->inout_port_config,
 781                                                    (uint8_t)SH_CSS_PORT_OUTPUT,
 782                                                    (uint8_t)SH_CSS_HOST_TYPE, 1);
 783                         break;
 784                 case IA_CSS_PIPE_ID_YUVPP:
 785                         SH_CSS_PIPE_PORT_CONFIG_SET(me->inout_port_config,
 786                                                    (uint8_t)SH_CSS_PORT_INPUT,
 787                                                    (uint8_t)(SH_CSS_HOST_TYPE), 1);
 788                         SH_CSS_PIPE_PORT_CONFIG_SET(me->inout_port_config,
 789                                                    (uint8_t)SH_CSS_PORT_OUTPUT,
 790                                                    (uint8_t)SH_CSS_HOST_TYPE, 1);
 791                         break;
 792                 case IA_CSS_PIPE_ID_ACC:
 793                         SH_CSS_PIPE_PORT_CONFIG_SET(me->inout_port_config,
 794                                                    (uint8_t)SH_CSS_PORT_INPUT,
 795                                                    (uint8_t)SH_CSS_HOST_TYPE, 1);
 796                         SH_CSS_PIPE_PORT_CONFIG_SET(me->inout_port_config,
 797                                                    (uint8_t)SH_CSS_PORT_OUTPUT,
 798                                                    (uint8_t)SH_CSS_HOST_TYPE, 1);
 799                         break;
 800                 default:
 801                         break;
 802         }
 803         ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE,
 804                 "ia_css_pipeline_configure_inout_port() leave: inout_port_config(%x)\n",
 805                 me->inout_port_config);
 806 }