drivers/staging/media/atomisp/pci/atomisp_ioctl.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Support for Medifield PNW Camera Imaging ISP subsystem.
   4  *
   5  * Copyright (c) 2010 Intel Corporation. All Rights Reserved.
   6  *
   7  * Copyright (c) 2010 Silicon Hive www.siliconhive.com.
   8  *
   9  * This program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License version
  11  * 2 as published by the Free Software Foundation.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  *
  19  */
  20
  21 #include <linux/delay.h>
  22 #include <linux/pci.h>
  23
  24 #include <media/v4l2-ioctl.h>
  25 #include <media/v4l2-event.h>
  26 #include <media/videobuf-vmalloc.h>
  27
  28 #include "atomisp_acc.h"
  29 #include "atomisp_cmd.h"
  30 #include "atomisp_common.h"
  31 #include "atomisp_fops.h"
  32 #include "atomisp_internal.h"
  33 #include "atomisp_ioctl.h"
  34 #include "atomisp-regs.h"
  35 #include "atomisp_compat.h"
  36
  37 #include "sh_css_hrt.h"
  38
  39 #include "gp_device.h"
  40 #include "device_access.h"
  41 #include "irq.h"
  42
  43 static const char *DRIVER = "atomisp";  /* max size 15 */
  44 static const char *CARD = "ATOM ISP";   /* max size 31 */
  45
  46 /*
  47  * FIXME: ISP should not know beforehand all CIDs supported by sensor.
  48  * Instead, it needs to propagate to sensor unkonwn CIDs.
  49  */
  50 static struct v4l2_queryctrl ci_v4l2_controls[] = {
  51         {
  52                 .id = V4L2_CID_AUTO_WHITE_BALANCE,
  53                 .type = V4L2_CTRL_TYPE_BOOLEAN,
  54                 .name = "Automatic White Balance",
  55                 .minimum = 0,
  56                 .maximum = 1,
  57                 .step = 1,
  58                 .default_value = 0,
  59         },
  60         {
  61                 .id = V4L2_CID_RED_BALANCE,
  62                 .type = V4L2_CTRL_TYPE_INTEGER,
  63                 .name = "Red Balance",
  64                 .minimum = 0x00,
  65                 .maximum = 0xff,
  66                 .step = 1,
  67                 .default_value = 0x00,
  68         },
  69         {
  70                 .id = V4L2_CID_BLUE_BALANCE,
  71                 .type = V4L2_CTRL_TYPE_INTEGER,
  72                 .name = "Blue Balance",
  73                 .minimum = 0x00,
  74                 .maximum = 0xff,
  75                 .step = 1,
  76                 .default_value = 0x00,
  77         },
  78         {
  79                 .id = V4L2_CID_GAMMA,
  80                 .type = V4L2_CTRL_TYPE_INTEGER,
  81                 .name = "Gamma",
  82                 .minimum = 0x00,
  83                 .maximum = 0xff,
  84                 .step = 1,
  85                 .default_value = 0x00,
  86         },
  87         {
  88                 .id = V4L2_CID_POWER_LINE_FREQUENCY,
  89                 .type = V4L2_CTRL_TYPE_MENU,
  90                 .name = "Light frequency filter",
  91                 .minimum = 1,
  92                 .maximum = 2,
  93                 .step = 1,
  94                 .default_value = 1,
  95         },
  96         {
  97                 .id = V4L2_CID_COLORFX,
  98                 .type = V4L2_CTRL_TYPE_INTEGER,
  99                 .name = "Image Color Effect",
 100                 .minimum = 0,
 101                 .maximum = 9,
 102                 .step = 1,
 103                 .default_value = 0,
 104         },
 105         {
 106                 .id = V4L2_CID_COLORFX_CBCR,
 107                 .type = V4L2_CTRL_TYPE_INTEGER,
 108                 .name = "Image Color Effect CbCr",
 109                 .minimum = 0,
 110                 .maximum = 0xffff,
 111                 .step = 1,
 112                 .default_value = 0,
 113         },
 114         {
 115                 .id = V4L2_CID_ATOMISP_BAD_PIXEL_DETECTION,
 116                 .type = V4L2_CTRL_TYPE_INTEGER,
 117                 .name = "Bad Pixel Correction",
 118                 .minimum = 0,
 119                 .maximum = 1,
 120                 .step = 1,
 121                 .default_value = 0,
 122         },
 123         {
 124                 .id = V4L2_CID_ATOMISP_POSTPROCESS_GDC_CAC,
 125                 .type = V4L2_CTRL_TYPE_INTEGER,
 126                 .name = "GDC/CAC",
 127                 .minimum = 0,
 128                 .maximum = 1,
 129                 .step = 1,
 130                 .default_value = 0,
 131         },
 132         {
 133                 .id = V4L2_CID_ATOMISP_VIDEO_STABLIZATION,
 134                 .type = V4L2_CTRL_TYPE_INTEGER,
 135                 .name = "Video Stablization",
 136                 .minimum = 0,
 137                 .maximum = 1,
 138                 .step = 1,
 139                 .default_value = 0,
 140         },
 141         {
 142                 .id = V4L2_CID_ATOMISP_FIXED_PATTERN_NR,
 143                 .type = V4L2_CTRL_TYPE_INTEGER,
 144                 .name = "Fixed Pattern Noise Reduction",
 145                 .minimum = 0,
 146                 .maximum = 1,
 147                 .step = 1,
 148                 .default_value = 0,
 149         },
 150         {
 151                 .id = V4L2_CID_ATOMISP_FALSE_COLOR_CORRECTION,
 152                 .type = V4L2_CTRL_TYPE_INTEGER,
 153                 .name = "False Color Correction",
 154                 .minimum = 0,
 155                 .maximum = 1,
 156                 .step = 1,
 157                 .default_value = 0,
 158         },
 159         {
 160                 .id = V4L2_CID_REQUEST_FLASH,
 161                 .type = V4L2_CTRL_TYPE_INTEGER,
 162                 .name = "Request flash frames",
 163                 .minimum = 0,
 164                 .maximum = 10,
 165                 .step = 1,
 166                 .default_value = 1,
 167         },
 168         {
 169                 .id = V4L2_CID_ATOMISP_LOW_LIGHT,
 170                 .type = V4L2_CTRL_TYPE_BOOLEAN,
 171                 .name = "Low light mode",
 172                 .minimum = 0,
 173                 .maximum = 1,
 174                 .step = 1,
 175                 .default_value = 1,
 176         },
 177         {
 178                 .id = V4L2_CID_BIN_FACTOR_HORZ,
 179                 .type = V4L2_CTRL_TYPE_INTEGER,
 180                 .name = "Horizontal binning factor",
 181                 .minimum = 0,
 182                 .maximum = 10,
 183                 .step = 1,
 184                 .default_value = 0,
 185         },
 186         {
 187                 .id = V4L2_CID_BIN_FACTOR_VERT,
 188                 .type = V4L2_CTRL_TYPE_INTEGER,
 189                 .name = "Vertical binning factor",
 190                 .minimum = 0,
 191                 .maximum = 10,
 192                 .step = 1,
 193                 .default_value = 0,
 194         },
 195         {
 196                 .id = V4L2_CID_2A_STATUS,
 197                 .type = V4L2_CTRL_TYPE_BITMASK,
 198                 .name = "AE and AWB status",
 199                 .minimum = 0,
 200                 .maximum = V4L2_2A_STATUS_AE_READY | V4L2_2A_STATUS_AWB_READY,
 201                 .step = 1,
 202                 .default_value = 0,
 203         },
 204         {
 205                 .id = V4L2_CID_EXPOSURE,
 206                 .type = V4L2_CTRL_TYPE_INTEGER,
 207                 .name = "exposure",
 208                 .minimum = -4,
 209                 .maximum = 4,
 210                 .step = 1,
 211                 .default_value = 0,
 212         },
 213         {
 214                 .id = V4L2_CID_EXPOSURE_ZONE_NUM,
 215                 .type = V4L2_CTRL_TYPE_INTEGER,
 216                 .name = "one-time exposure zone number",
 217                 .minimum = 0x0,
 218                 .maximum = 0xffff,
 219                 .step = 1,
 220                 .default_value = 0,
 221         },
 222         {
 223                 .id = V4L2_CID_EXPOSURE_AUTO_PRIORITY,
 224                 .type = V4L2_CTRL_TYPE_INTEGER,
 225                 .name = "Exposure auto priority",
 226                 .minimum = V4L2_EXPOSURE_AUTO,
 227                 .maximum = V4L2_EXPOSURE_APERTURE_PRIORITY,
 228                 .step = 1,
 229                 .default_value = V4L2_EXPOSURE_AUTO,
 230         },
 231         {
 232                 .id = V4L2_CID_SCENE_MODE,
 233                 .type = V4L2_CTRL_TYPE_INTEGER,
 234                 .name = "scene mode",
 235                 .minimum = 0,
 236                 .maximum = 13,
 237                 .step = 1,
 238                 .default_value = 0,
 239         },
 240         {
 241                 .id = V4L2_CID_ISO_SENSITIVITY,
 242                 .type = V4L2_CTRL_TYPE_INTEGER,
 243                 .name = "iso",
 244                 .minimum = -4,
 245                 .maximum = 4,
 246                 .step = 1,
 247                 .default_value = 0,
 248         },
 249         {
 250                 .id = V4L2_CID_ISO_SENSITIVITY_AUTO,
 251                 .type = V4L2_CTRL_TYPE_INTEGER,
 252                 .name = "iso mode",
 253                 .minimum = V4L2_ISO_SENSITIVITY_MANUAL,
 254                 .maximum = V4L2_ISO_SENSITIVITY_AUTO,
 255                 .step = 1,
 256                 .default_value = V4L2_ISO_SENSITIVITY_AUTO,
 257         },
 258         {
 259                 .id = V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE,
 260                 .type = V4L2_CTRL_TYPE_INTEGER,
 261                 .name = "white balance",
 262                 .minimum = 0,
 263                 .maximum = 9,
 264                 .step = 1,
 265                 .default_value = 0,
 266         },
 267         {
 268                 .id = V4L2_CID_EXPOSURE_METERING,
 269                 .type = V4L2_CTRL_TYPE_MENU,
 270                 .name = "metering",
 271                 .minimum = 0,
 272                 .maximum = 3,
 273                 .step = 1,
 274                 .default_value = 1,
 275         },
 276         {
 277                 .id = V4L2_CID_3A_LOCK,
 278                 .type = V4L2_CTRL_TYPE_BITMASK,
 279                 .name = "3a lock",
 280                 .minimum = 0,
 281                 .maximum = V4L2_LOCK_EXPOSURE | V4L2_LOCK_WHITE_BALANCE
 282                 | V4L2_LOCK_FOCUS,
 283                 .step = 1,
 284                 .default_value = 0,
 285         },
 286         {
 287                 .id = V4L2_CID_TEST_PATTERN,
 288                 .type = V4L2_CTRL_TYPE_INTEGER,
 289                 .name = "Test Pattern",
 290                 .minimum = 0,
 291                 .maximum = 0xffff,
 292                 .step = 1,
 293                 .default_value = 0,
 294         },
 295         {
 296                 .id = V4L2_CID_TEST_PATTERN_COLOR_R,
 297                 .type = V4L2_CTRL_TYPE_INTEGER,
 298                 .name = "Test Pattern Solid Color R",
 299                 .minimum = INT_MIN,
 300                 .maximum = INT_MAX,
 301                 .step = 1,
 302                 .default_value = 0,
 303         },
 304         {
 305                 .id = V4L2_CID_TEST_PATTERN_COLOR_GR,
 306                 .type = V4L2_CTRL_TYPE_INTEGER,
 307                 .name = "Test Pattern Solid Color GR",
 308                 .minimum = INT_MIN,
 309                 .maximum = INT_MAX,
 310                 .step = 1,
 311                 .default_value = 0,
 312         },
 313         {
 314                 .id = V4L2_CID_TEST_PATTERN_COLOR_GB,
 315                 .type = V4L2_CTRL_TYPE_INTEGER,
 316                 .name = "Test Pattern Solid Color GB",
 317                 .minimum = INT_MIN,
 318                 .maximum = INT_MAX,
 319                 .step = 1,
 320                 .default_value = 0,
 321         },
 322         {
 323                 .id = V4L2_CID_TEST_PATTERN_COLOR_B,
 324                 .type = V4L2_CTRL_TYPE_INTEGER,
 325                 .name = "Test Pattern Solid Color B",
 326                 .minimum = INT_MIN,
 327                 .maximum = INT_MAX,
 328                 .step = 1,
 329                 .default_value = 0,
 330         },
 331 };
 332
 333 static const u32 ctrls_num = ARRAY_SIZE(ci_v4l2_controls);
 334
 335 /*
 336  * supported V4L2 fmts and resolutions
 337  */
 338 const struct atomisp_format_bridge atomisp_output_fmts[] = {
 339         {
 340                 .pixelformat = V4L2_PIX_FMT_YUV420,
 341                 .depth = 12,
 342                 .mbus_code = V4L2_MBUS_FMT_CUSTOM_YUV420,
 343                 .sh_fmt = IA_CSS_FRAME_FORMAT_YUV420,
 344                 .description = "YUV420, planar",
 345                 .planar = true
 346         }, {
 347                 .pixelformat = V4L2_PIX_FMT_YVU420,
 348                 .depth = 12,
 349                 .mbus_code = V4L2_MBUS_FMT_CUSTOM_YVU420,
 350                 .sh_fmt = IA_CSS_FRAME_FORMAT_YV12,
 351                 .description = "YVU420, planar",
 352                 .planar = true
 353         }, {
 354                 .pixelformat = V4L2_PIX_FMT_YUV422P,
 355                 .depth = 16,
 356                 .mbus_code = V4L2_MBUS_FMT_CUSTOM_YUV422P,
 357                 .sh_fmt = IA_CSS_FRAME_FORMAT_YUV422,
 358                 .description = "YUV422, planar",
 359                 .planar = true
 360         }, {
 361                 .pixelformat = V4L2_PIX_FMT_YUV444,
 362                 .depth = 24,
 363                 .mbus_code = V4L2_MBUS_FMT_CUSTOM_YUV444,
 364                 .sh_fmt = IA_CSS_FRAME_FORMAT_YUV444,
 365                 .description = "YUV444"
 366         }, {
 367                 .pixelformat = V4L2_PIX_FMT_NV12,
 368                 .depth = 12,
 369                 .mbus_code = V4L2_MBUS_FMT_CUSTOM_NV12,
 370                 .sh_fmt = IA_CSS_FRAME_FORMAT_NV12,
 371                 .description = "NV12, Y-plane, CbCr interleaved",
 372                 .planar = true
 373         }, {
 374                 .pixelformat = V4L2_PIX_FMT_NV21,
 375                 .depth = 12,
 376                 .mbus_code = V4L2_MBUS_FMT_CUSTOM_NV21,
 377                 .sh_fmt = IA_CSS_FRAME_FORMAT_NV21,
 378                 .description = "NV21, Y-plane, CbCr interleaved",
 379                 .planar = true
 380         }, {
 381                 .pixelformat = V4L2_PIX_FMT_NV16,
 382                 .depth = 16,
 383                 .mbus_code = V4L2_MBUS_FMT_CUSTOM_NV16,
 384                 .sh_fmt = IA_CSS_FRAME_FORMAT_NV16,
 385                 .description = "NV16, Y-plane, CbCr interleaved",
 386                 .planar = true
 387         }, {
 388                 .pixelformat = V4L2_PIX_FMT_YUYV,
 389                 .depth = 16,
 390                 .mbus_code = V4L2_MBUS_FMT_CUSTOM_YUYV,
 391                 .sh_fmt = IA_CSS_FRAME_FORMAT_YUYV,
 392                 .description = "YUYV, interleaved"
 393         }, {
 394                 .pixelformat = V4L2_PIX_FMT_UYVY,
 395                 .depth = 16,
 396                 .mbus_code = MEDIA_BUS_FMT_UYVY8_1X16,
 397                 .sh_fmt = IA_CSS_FRAME_FORMAT_UYVY,
 398                 .description = "UYVY, interleaved"
 399         }, { /* This one is for parallel sensors! DO NOT USE! */
 400                 .pixelformat = V4L2_PIX_FMT_UYVY,
 401                 .depth = 16,
 402                 .mbus_code = MEDIA_BUS_FMT_UYVY8_2X8,
 403                 .sh_fmt = IA_CSS_FRAME_FORMAT_UYVY,
 404                 .description = "UYVY, interleaved"
 405         }, {
 406                 .pixelformat = V4L2_PIX_FMT_SBGGR16,
 407                 .depth = 16,
 408                 .mbus_code = V4L2_MBUS_FMT_CUSTOM_SBGGR16,
 409                 .sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
 410                 .description = "Bayer 16"
 411         }, {
 412                 .pixelformat = V4L2_PIX_FMT_SBGGR8,
 413                 .depth = 8,
 414                 .mbus_code = MEDIA_BUS_FMT_SBGGR8_1X8,
 415                 .sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
 416                 .description = "Bayer 8"
 417         }, {
 418                 .pixelformat = V4L2_PIX_FMT_SGBRG8,
 419                 .depth = 8,
 420                 .mbus_code = MEDIA_BUS_FMT_SGBRG8_1X8,
 421                 .sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
 422                 .description = "Bayer 8"
 423         }, {
 424                 .pixelformat = V4L2_PIX_FMT_SGRBG8,
 425                 .depth = 8,
 426                 .mbus_code = MEDIA_BUS_FMT_SGRBG8_1X8,
 427                 .sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
 428                 .description = "Bayer 8"
 429         }, {
 430                 .pixelformat = V4L2_PIX_FMT_SRGGB8,
 431                 .depth = 8,
 432                 .mbus_code = MEDIA_BUS_FMT_SRGGB8_1X8,
 433                 .sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
 434                 .description = "Bayer 8"
 435         }, {
 436                 .pixelformat = V4L2_PIX_FMT_SBGGR10,
 437                 .depth = 16,
 438                 .mbus_code = MEDIA_BUS_FMT_SBGGR10_1X10,
 439                 .sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
 440                 .description = "Bayer 10"
 441         }, {
 442                 .pixelformat = V4L2_PIX_FMT_SGBRG10,
 443                 .depth = 16,
 444                 .mbus_code = MEDIA_BUS_FMT_SGBRG10_1X10,
 445                 .sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
 446                 .description = "Bayer 10"
 447         }, {
 448                 .pixelformat = V4L2_PIX_FMT_SGRBG10,
 449                 .depth = 16,
 450                 .mbus_code = MEDIA_BUS_FMT_SGRBG10_1X10,
 451                 .sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
 452                 .description = "Bayer 10"
 453         }, {
 454                 .pixelformat = V4L2_PIX_FMT_SRGGB10,
 455                 .depth = 16,
 456                 .mbus_code = MEDIA_BUS_FMT_SRGGB10_1X10,
 457                 .sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
 458                 .description = "Bayer 10"
 459         }, {
 460                 .pixelformat = V4L2_PIX_FMT_SBGGR12,
 461                 .depth = 16,
 462                 .mbus_code = MEDIA_BUS_FMT_SBGGR12_1X12,
 463                 .sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
 464                 .description = "Bayer 12"
 465         }, {
 466                 .pixelformat = V4L2_PIX_FMT_SGBRG12,
 467                 .depth = 16,
 468                 .mbus_code = MEDIA_BUS_FMT_SGBRG12_1X12,
 469                 .sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
 470                 .description = "Bayer 12"
 471         }, {
 472                 .pixelformat = V4L2_PIX_FMT_SGRBG12,
 473                 .depth = 16,
 474                 .mbus_code = MEDIA_BUS_FMT_SGRBG12_1X12,
 475                 .sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
 476                 .description = "Bayer 12"
 477         }, {
 478                 .pixelformat = V4L2_PIX_FMT_SRGGB12,
 479                 .depth = 16,
 480                 .mbus_code = MEDIA_BUS_FMT_SRGGB12_1X12,
 481                 .sh_fmt = IA_CSS_FRAME_FORMAT_RAW,
 482                 .description = "Bayer 12"
 483         }, {
 484                 .pixelformat = V4L2_PIX_FMT_RGB32,
 485                 .depth = 32,
 486                 .mbus_code = V4L2_MBUS_FMT_CUSTOM_RGB32,
 487                 .sh_fmt = IA_CSS_FRAME_FORMAT_RGBA888,
 488                 .description = "32 RGB 8-8-8-8"
 489         }, {
 490                 .pixelformat = V4L2_PIX_FMT_RGB565,
 491                 .depth = 16,
 492                 .mbus_code = MEDIA_BUS_FMT_BGR565_2X8_LE,
 493                 .sh_fmt = IA_CSS_FRAME_FORMAT_RGB565,
 494                 .description = "16 RGB 5-6-5"
 495         }, {
 496                 .pixelformat = V4L2_PIX_FMT_JPEG,
 497                 .depth = 8,
 498                 .mbus_code = MEDIA_BUS_FMT_JPEG_1X8,
 499                 .sh_fmt = IA_CSS_FRAME_FORMAT_BINARY_8,
 500                 .description = "JPEG"
 501         },
 502 #if 0
 503         {
 504                 /* This is a custom format being used by M10MO to send the RAW data */
 505                 .pixelformat = V4L2_PIX_FMT_CUSTOM_M10MO_RAW,
 506                 .depth = 8,
 507                 .mbus_code = V4L2_MBUS_FMT_CUSTOM_M10MO_RAW,
 508                 .sh_fmt = IA_CSS_FRAME_FORMAT_BINARY_8,
 509                 .description = "Custom RAW for M10MO"
 510         },
 511 #endif
 512 };
 513
 514 const struct atomisp_format_bridge *atomisp_get_format_bridge(
 515     unsigned int pixelformat)
 516 {
 517         unsigned int i;
 518
 519         for (i = 0; i < ARRAY_SIZE(atomisp_output_fmts); i++) {
 520                 if (atomisp_output_fmts[i].pixelformat == pixelformat)
 521                         return &atomisp_output_fmts[i];
 522         }
 523
 524         return NULL;
 525 }
 526
 527 const struct atomisp_format_bridge *atomisp_get_format_bridge_from_mbus(
 528     u32 mbus_code)
 529 {
 530         unsigned int i;
 531
 532         for (i = 0; i < ARRAY_SIZE(atomisp_output_fmts); i++) {
 533                 if (mbus_code == atomisp_output_fmts[i].mbus_code)
 534                         return &atomisp_output_fmts[i];
 535         }
 536
 537         return NULL;
 538 }
 539
 540 /*
 541  * v4l2 ioctls
 542  * return ISP capabilities
 543  */
 544 static int atomisp_querycap(struct file *file, void *fh,
 545                             struct v4l2_capability *cap)
 546 {
 547         struct video_device *vdev = video_devdata(file);
 548         struct atomisp_device *isp = video_get_drvdata(vdev);
 549
 550         strscpy(cap->driver, DRIVER, sizeof(cap->driver));
 551         strscpy(cap->card, CARD, sizeof(cap->card));
 552         snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI:%s",
 553                  pci_name(isp->pdev));
 554
 555         return 0;
 556 }
 557
 558 /*
 559  * enum input are used to check primary/secondary camera
 560  */
 561 static int atomisp_enum_input(struct file *file, void *fh,
 562                               struct v4l2_input *input)
 563 {
 564         struct video_device *vdev = video_devdata(file);
 565         struct atomisp_device *isp = video_get_drvdata(vdev);
 566         int index = input->index;
 567         struct v4l2_subdev *motor;
 568
 569         if (index >= isp->input_cnt)
 570                 return -EINVAL;
 571
 572         if (!isp->inputs[index].camera)
 573                 return -EINVAL;
 574
 575         memset(input, 0, sizeof(struct v4l2_input));
 576         strscpy(input->name, isp->inputs[index].camera->name,
 577                 sizeof(input->name));
 578
 579         /*
 580          * HACK: append actuator's name to sensor's
 581          * As currently userspace can't talk directly to subdev nodes, this
 582          * ioctl is the only way to enum inputs + possible external actuators
 583          * for 3A tuning purpose.
 584          */
 585         if (!IS_ISP2401)
 586                 motor = isp->inputs[index].motor;
 587         else
 588                 motor = isp->motor;
 589
 590         if (motor && strlen(motor->name) > 0) {
 591                 const int cur_len = strlen(input->name);
 592                 const int max_size = sizeof(input->name) - cur_len - 1;
 593
 594                 if (max_size > 1) {
 595                         input->name[cur_len] = '+';
 596                         strscpy(&input->name[cur_len + 1],
 597                                 motor->name, max_size);
 598                 }
 599         }
 600
 601         input->type = V4L2_INPUT_TYPE_CAMERA;
 602         input->index = index;
 603         input->reserved[0] = isp->inputs[index].type;
 604         input->reserved[1] = isp->inputs[index].port;
 605
 606         return 0;
 607 }
 608
 609 static unsigned int atomisp_subdev_streaming_count(
 610     struct atomisp_sub_device *asd)
 611 {
 612         return asd->video_out_preview.capq.streaming
 613                + asd->video_out_capture.capq.streaming
 614                + asd->video_out_video_capture.capq.streaming
 615                + asd->video_out_vf.capq.streaming
 616                + asd->video_in.capq.streaming;
 617 }
 618
 619 unsigned int atomisp_streaming_count(struct atomisp_device *isp)
 620 {
 621         unsigned int i, sum;
 622
 623         for (i = 0, sum = 0; i < isp->num_of_streams; i++)
 624                 sum += isp->asd[i].streaming ==
 625                        ATOMISP_DEVICE_STREAMING_ENABLED;
 626
 627         return sum;
 628 }
 629
 630 unsigned int atomisp_is_acc_enabled(struct atomisp_device *isp)
 631 {
 632         unsigned int i;
 633
 634         for (i = 0; i < isp->num_of_streams; i++)
 635                 if (isp->asd[i].acc.pipeline)
 636                         return 1;
 637
 638         return 0;
 639 }
 640
 641 /*
 642  * get input are used to get current primary/secondary camera
 643  */
 644 static int atomisp_g_input(struct file *file, void *fh, unsigned int *input)
 645 {
 646         struct video_device *vdev = video_devdata(file);
 647         struct atomisp_device *isp = video_get_drvdata(vdev);
 648         struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
 649
 650         rt_mutex_lock(&isp->mutex);
 651         *input = asd->input_curr;
 652         rt_mutex_unlock(&isp->mutex);
 653
 654         return 0;
 655 }
 656
 657 /*
 658  * set input are used to set current primary/secondary camera
 659  */
 660 static int atomisp_s_input(struct file *file, void *fh, unsigned int input)
 661 {
 662         struct video_device *vdev = video_devdata(file);
 663         struct atomisp_device *isp = video_get_drvdata(vdev);
 664         struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
 665         struct v4l2_subdev *camera = NULL;
 666         struct v4l2_subdev *motor;
 667         int ret;
 668
 669         rt_mutex_lock(&isp->mutex);
 670         if (input >= ATOM_ISP_MAX_INPUTS || input >= isp->input_cnt) {
 671                 dev_dbg(isp->dev, "input_cnt: %d\n", isp->input_cnt);
 672                 ret = -EINVAL;
 673                 goto error;
 674         }
 675
 676         /*
 677          * check whether the request camera:
 678          * 1: already in use
 679          * 2: if in use, whether it is used by other streams
 680          */
 681         if (isp->inputs[input].asd && isp->inputs[input].asd != asd) {
 682                 dev_err(isp->dev,
 683                         "%s, camera is already used by stream: %d\n", __func__,
 684                         isp->inputs[input].asd->index);
 685                 ret = -EBUSY;
 686                 goto error;
 687         }
 688
 689         camera = isp->inputs[input].camera;
 690         if (!camera) {
 691                 dev_err(isp->dev, "%s, no camera\n", __func__);
 692                 ret = -EINVAL;
 693                 goto error;
 694         }
 695
 696         if (atomisp_subdev_streaming_count(asd)) {
 697                 dev_err(isp->dev,
 698                         "ISP is still streaming, stop first\n");
 699                 ret = -EINVAL;
 700                 goto error;
 701         }
 702
 703         /* power off the current owned sensor, as it is not used this time */
 704         if (isp->inputs[asd->input_curr].asd == asd &&
 705             asd->input_curr != input) {
 706                 ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
 707                                        core, s_power, 0);
 708                 if (ret)
 709                         dev_warn(isp->dev,
 710                                  "Failed to power-off sensor\n");
 711                 /* clear the asd field to show this camera is not used */
 712                 isp->inputs[asd->input_curr].asd = NULL;
 713         }
 714
 715         /* powe on the new sensor */
 716         ret = v4l2_subdev_call(isp->inputs[input].camera, core, s_power, 1);
 717         if (ret) {
 718                 dev_err(isp->dev, "Failed to power-on sensor\n");
 719                 goto error;
 720         }
 721         /*
 722          * Some sensor driver resets the run mode during power-on, thus force
 723          * update the run mode to sensor after power-on.
 724          */
 725         atomisp_update_run_mode(asd);
 726
 727         /* select operating sensor */
 728         ret = v4l2_subdev_call(isp->inputs[input].camera, video, s_routing,
 729                                0, isp->inputs[input].sensor_index, 0);
 730         if (ret && (ret != -ENOIOCTLCMD)) {
 731                 dev_err(isp->dev, "Failed to select sensor\n");
 732                 goto error;
 733         }
 734
 735         if (!IS_ISP2401) {
 736                 motor = isp->inputs[input].motor;
 737         } else {
 738                 motor = isp->motor;
 739                 if (motor)
 740                         ret = v4l2_subdev_call(motor, core, s_power, 1);
 741         }
 742
 743         if (!isp->sw_contex.file_input && motor)
 744                 ret = v4l2_subdev_call(motor, core, init, 1);
 745
 746         asd->input_curr = input;
 747         /* mark this camera is used by the current stream */
 748         isp->inputs[input].asd = asd;
 749         rt_mutex_unlock(&isp->mutex);
 750
 751         return 0;
 752
 753 error:
 754         rt_mutex_unlock(&isp->mutex);
 755
 756         return ret;
 757 }
 758
 759 static int atomisp_enum_fmt_cap(struct file *file, void *fh,
 760                                 struct v4l2_fmtdesc *f)
 761 {
 762         struct video_device *vdev = video_devdata(file);
 763         struct atomisp_device *isp = video_get_drvdata(vdev);
 764         struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
 765         struct v4l2_subdev_mbus_code_enum code = { 0 };
 766         unsigned int i, fi = 0;
 767         int rval;
 768
 769         rt_mutex_lock(&isp->mutex);
 770         rval = v4l2_subdev_call(isp->inputs[asd->input_curr].camera, pad,
 771                                 enum_mbus_code, NULL, &code);
 772         if (rval == -ENOIOCTLCMD) {
 773                 dev_warn(isp->dev,
 774                          "enum_mbus_code pad op not supported. Please fix your sensor driver!\n");
 775                 //      rval = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
 776                 //                              video, enum_mbus_fmt, 0, &code.code);
 777         }
 778         rt_mutex_unlock(&isp->mutex);
 779
 780         if (rval)
 781                 return rval;
 782
 783         for (i = 0; i < ARRAY_SIZE(atomisp_output_fmts); i++) {
 784                 const struct atomisp_format_bridge *format =
 785                             &atomisp_output_fmts[i];
 786
 787                 /*
 788                  * Is the atomisp-supported format is valid for the
 789                  * sensor (configuration)? If not, skip it.
 790                  */
 791                 if (format->sh_fmt == IA_CSS_FRAME_FORMAT_RAW
 792                     && format->mbus_code != code.code)
 793                         continue;
 794
 795                 /* Found a match. Now let's pick f->index'th one. */
 796                 if (fi < f->index) {
 797                         fi++;
 798                         continue;
 799                 }
 800
 801                 strlcpy(f->description, format->description,
 802                         sizeof(f->description));
 803                 f->pixelformat = format->pixelformat;
 804                 return 0;
 805         }
 806
 807         return -EINVAL;
 808 }
 809
 810 static int atomisp_g_fmt_cap(struct file *file, void *fh,
 811                              struct v4l2_format *f)
 812 {
 813         struct video_device *vdev = video_devdata(file);
 814         struct atomisp_device *isp = video_get_drvdata(vdev);
 815
 816         int ret;
 817
 818         rt_mutex_lock(&isp->mutex);
 819         ret = atomisp_get_fmt(vdev, f);
 820         rt_mutex_unlock(&isp->mutex);
 821         return ret;
 822 }
 823
 824 static int atomisp_g_fmt_file(struct file *file, void *fh,
 825                               struct v4l2_format *f)
 826 {
 827         struct video_device *vdev = video_devdata(file);
 828         struct atomisp_device *isp = video_get_drvdata(vdev);
 829         struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
 830
 831         rt_mutex_lock(&isp->mutex);
 832         f->fmt.pix = pipe->pix;
 833         rt_mutex_unlock(&isp->mutex);
 834
 835         return 0;
 836 }
 837
 838 /* This function looks up the closest available resolution. */
 839 static int atomisp_try_fmt_cap(struct file *file, void *fh,
 840                                struct v4l2_format *f)
 841 {
 842         struct video_device *vdev = video_devdata(file);
 843         struct atomisp_device *isp = video_get_drvdata(vdev);
 844         int ret;
 845
 846         rt_mutex_lock(&isp->mutex);
 847         ret = atomisp_try_fmt(vdev, f, NULL);
 848         rt_mutex_unlock(&isp->mutex);
 849         return ret;
 850 }
 851
 852 static int atomisp_s_fmt_cap(struct file *file, void *fh,
 853                              struct v4l2_format *f)
 854 {
 855         struct video_device *vdev = video_devdata(file);
 856         struct atomisp_device *isp = video_get_drvdata(vdev);
 857         int ret;
 858
 859         rt_mutex_lock(&isp->mutex);
 860         if (isp->isp_fatal_error) {
 861                 ret = -EIO;
 862                 rt_mutex_unlock(&isp->mutex);
 863                 return ret;
 864         }
 865         ret = atomisp_set_fmt(vdev, f);
 866         rt_mutex_unlock(&isp->mutex);
 867         return ret;
 868 }
 869
 870 static int atomisp_s_fmt_file(struct file *file, void *fh,
 871                               struct v4l2_format *f)
 872 {
 873         struct video_device *vdev = video_devdata(file);
 874         struct atomisp_device *isp = video_get_drvdata(vdev);
 875         int ret;
 876
 877         rt_mutex_lock(&isp->mutex);
 878         ret = atomisp_set_fmt_file(vdev, f);
 879         rt_mutex_unlock(&isp->mutex);
 880         return ret;
 881 }
 882
 883 /*
 884  * Free videobuffer buffer priv data
 885  */
 886 void atomisp_videobuf_free_buf(struct videobuf_buffer *vb)
 887 {
 888         struct videobuf_vmalloc_memory *vm_mem;
 889
 890         if (!vb)
 891                 return;
 892
 893         vm_mem = vb->priv;
 894         if (vm_mem && vm_mem->vaddr) {
 895                 ia_css_frame_free(vm_mem->vaddr);
 896                 vm_mem->vaddr = NULL;
 897         }
 898 }
 899
 900 /*
 901  * this function is used to free video buffer queue
 902  */
 903 static void atomisp_videobuf_free_queue(struct videobuf_queue *q)
 904 {
 905         int i;
 906
 907         for (i = 0; i < VIDEO_MAX_FRAME; i++) {
 908                 atomisp_videobuf_free_buf(q->bufs[i]);
 909                 kfree(q->bufs[i]);
 910                 q->bufs[i] = NULL;
 911         }
 912 }
 913
 914 int atomisp_alloc_css_stat_bufs(struct atomisp_sub_device *asd,
 915                                 uint16_t stream_id)
 916 {
 917         struct atomisp_device *isp = asd->isp;
 918         struct atomisp_s3a_buf *s3a_buf = NULL, *_s3a_buf;
 919         struct atomisp_dis_buf *dis_buf = NULL, *_dis_buf;
 920         struct atomisp_metadata_buf *md_buf = NULL, *_md_buf;
 921         int count;
 922         struct ia_css_dvs_grid_info *dvs_grid_info =
 923             atomisp_css_get_dvs_grid_info(&asd->params.curr_grid_info);
 924         unsigned int i;
 925
 926         if (list_empty(&asd->s3a_stats) &&
 927             asd->params.curr_grid_info.s3a_grid.enable) {
 928                 count = ATOMISP_CSS_Q_DEPTH +
 929                         ATOMISP_S3A_BUF_QUEUE_DEPTH_FOR_HAL;
 930                 dev_dbg(isp->dev, "allocating %d 3a buffers\n", count);
 931                 while (count--) {
 932                         s3a_buf = kzalloc(sizeof(struct atomisp_s3a_buf), GFP_KERNEL);
 933                         if (!s3a_buf)
 934                                 goto error;
 935
 936                         if (atomisp_css_allocate_stat_buffers(
 937                                 asd, stream_id, s3a_buf, NULL, NULL)) {
 938                                 kfree(s3a_buf);
 939                                 goto error;
 940                         }
 941
 942                         list_add_tail(&s3a_buf->list, &asd->s3a_stats);
 943                 }
 944         }
 945
 946         if (list_empty(&asd->dis_stats) && dvs_grid_info &&
 947             dvs_grid_info->enable) {
 948                 count = ATOMISP_CSS_Q_DEPTH + 1;
 949                 dev_dbg(isp->dev, "allocating %d dis buffers\n", count);
 950                 while (count--) {
 951                         dis_buf = kzalloc(sizeof(struct atomisp_dis_buf), GFP_KERNEL);
 952                         if (!dis_buf) {
 953                                 kfree(s3a_buf);
 954                                 goto error;
 955                         }
 956                         if (atomisp_css_allocate_stat_buffers(
 957                                 asd, stream_id, NULL, dis_buf, NULL)) {
 958                                 kfree(dis_buf);
 959                                 goto error;
 960                         }
 961
 962                         list_add_tail(&dis_buf->list, &asd->dis_stats);
 963                 }
 964         }
 965
 966         for (i = 0; i < ATOMISP_METADATA_TYPE_NUM; i++) {
 967                 if (list_empty(&asd->metadata[i]) &&
 968                     list_empty(&asd->metadata_ready[i]) &&
 969                     list_empty(&asd->metadata_in_css[i])) {
 970                         count = ATOMISP_CSS_Q_DEPTH +
 971                                 ATOMISP_METADATA_QUEUE_DEPTH_FOR_HAL;
 972                         dev_dbg(isp->dev, "allocating %d metadata buffers for type %d\n",
 973                                 count, i);
 974                         while (count--) {
 975                                 md_buf = kzalloc(sizeof(struct atomisp_metadata_buf),
 976                                                  GFP_KERNEL);
 977                                 if (!md_buf)
 978                                         goto error;
 979
 980                                 if (atomisp_css_allocate_stat_buffers(
 981                                         asd, stream_id, NULL, NULL, md_buf)) {
 982                                         kfree(md_buf);
 983                                         goto error;
 984                                 }
 985                                 list_add_tail(&md_buf->list, &asd->metadata[i]);
 986                         }
 987                 }
 988         }
 989         return 0;
 990
 991 error:
 992         dev_err(isp->dev, "failed to allocate statistics buffers\n");
 993
 994         list_for_each_entry_safe(dis_buf, _dis_buf, &asd->dis_stats, list) {
 995                 atomisp_css_free_dis_buffer(dis_buf);
 996                 list_del(&dis_buf->list);
 997                 kfree(dis_buf);
 998         }
 999
1000         list_for_each_entry_safe(s3a_buf, _s3a_buf, &asd->s3a_stats, list) {
1001                 atomisp_css_free_3a_buffer(s3a_buf);
1002                 list_del(&s3a_buf->list);
1003                 kfree(s3a_buf);
1004         }
1005
1006         for (i = 0; i < ATOMISP_METADATA_TYPE_NUM; i++) {
1007                 list_for_each_entry_safe(md_buf, _md_buf, &asd->metadata[i],
1008                                          list) {
1009                         atomisp_css_free_metadata_buffer(md_buf);
1010                         list_del(&md_buf->list);
1011                         kfree(md_buf);
1012                 }
1013         }
1014         return -ENOMEM;
1015 }
1016
1017 /*
1018  * Initiate Memory Mapping or User Pointer I/O
1019  */
1020 int __atomisp_reqbufs(struct file *file, void *fh,
1021                       struct v4l2_requestbuffers *req)
1022 {
1023         struct video_device *vdev = video_devdata(file);
1024         struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
1025         struct atomisp_sub_device *asd = pipe->asd;
1026         struct ia_css_frame_info frame_info;
1027         struct ia_css_frame *frame;
1028         struct videobuf_vmalloc_memory *vm_mem;
1029         u16 source_pad = atomisp_subdev_source_pad(vdev);
1030         u16 stream_id = atomisp_source_pad_to_stream_id(asd, source_pad);
1031         int ret = 0, i = 0;
1032
1033         if (req->count == 0) {
1034                 mutex_lock(&pipe->capq.vb_lock);
1035                 if (!list_empty(&pipe->capq.stream))
1036                         videobuf_queue_cancel(&pipe->capq);
1037
1038                 atomisp_videobuf_free_queue(&pipe->capq);
1039                 mutex_unlock(&pipe->capq.vb_lock);
1040                 /* clear request config id */
1041                 memset(pipe->frame_request_config_id, 0,
1042                        VIDEO_MAX_FRAME * sizeof(unsigned int));
1043                 memset(pipe->frame_params, 0,
1044                        VIDEO_MAX_FRAME *
1045                        sizeof(struct atomisp_css_params_with_list *));
1046                 return 0;
1047         }
1048
1049         ret = videobuf_reqbufs(&pipe->capq, req);
1050         if (ret)
1051                 return ret;
1052
1053         atomisp_alloc_css_stat_bufs(asd, stream_id);
1054
1055         /*
1056          * for user pointer type, buffers are not really allocated here,
1057          * buffers are setup in QBUF operation through v4l2_buffer structure
1058          */
1059         if (req->memory == V4L2_MEMORY_USERPTR)
1060                 return 0;
1061
1062         ret = atomisp_get_css_frame_info(asd, source_pad, &frame_info);
1063         if (ret)
1064                 return ret;
1065
1066         /*
1067          * Allocate the real frame here for selected node using our
1068          * memory management function
1069          */
1070         for (i = 0; i < req->count; i++) {
1071                 if (ia_css_frame_allocate_from_info(&frame, &frame_info))
1072                         goto error;
1073                 vm_mem = pipe->capq.bufs[i]->priv;
1074                 vm_mem->vaddr = frame;
1075         }
1076
1077         return ret;
1078
1079 error:
1080         while (i--) {
1081                 vm_mem = pipe->capq.bufs[i]->priv;
1082                 ia_css_frame_free(vm_mem->vaddr);
1083         }
1084
1085         if (asd->vf_frame)
1086                 ia_css_frame_free(asd->vf_frame);
1087
1088         return -ENOMEM;
1089 }
1090
1091 int atomisp_reqbufs(struct file *file, void *fh,
1092                     struct v4l2_requestbuffers *req)
1093 {
1094         struct video_device *vdev = video_devdata(file);
1095         struct atomisp_device *isp = video_get_drvdata(vdev);
1096         int ret;
1097
1098         rt_mutex_lock(&isp->mutex);
1099         ret = __atomisp_reqbufs(file, fh, req);
1100         rt_mutex_unlock(&isp->mutex);
1101
1102         return ret;
1103 }
1104
1105 static int atomisp_reqbufs_file(struct file *file, void *fh,
1106                                 struct v4l2_requestbuffers *req)
1107 {
1108         struct video_device *vdev = video_devdata(file);
1109         struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
1110
1111         if (req->count == 0) {
1112                 mutex_lock(&pipe->outq.vb_lock);
1113                 atomisp_videobuf_free_queue(&pipe->outq);
1114                 mutex_unlock(&pipe->outq.vb_lock);
1115                 return 0;
1116         }
1117
1118         return videobuf_reqbufs(&pipe->outq, req);
1119 }
1120
1121 /* application query the status of a buffer */
1122 static int atomisp_querybuf(struct file *file, void *fh,
1123                             struct v4l2_buffer *buf)
1124 {
1125         struct video_device *vdev = video_devdata(file);
1126         struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
1127
1128         return videobuf_querybuf(&pipe->capq, buf);
1129 }
1130
1131 static int atomisp_querybuf_file(struct file *file, void *fh,
1132                                  struct v4l2_buffer *buf)
1133 {
1134         struct video_device *vdev = video_devdata(file);
1135         struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
1136
1137         return videobuf_querybuf(&pipe->outq, buf);
1138 }
1139
1140 /*
1141  * Applications call the VIDIOC_QBUF ioctl to enqueue an empty (capturing) or
1142  * filled (output) buffer in the drivers incoming queue.
1143  */
1144 static int atomisp_qbuf(struct file *file, void *fh, struct v4l2_buffer *buf)
1145 {
1146         static const int NOFLUSH_FLAGS = V4L2_BUF_FLAG_NO_CACHE_INVALIDATE |
1147                                          V4L2_BUF_FLAG_NO_CACHE_CLEAN;
1148         struct video_device *vdev = video_devdata(file);
1149         struct atomisp_device *isp = video_get_drvdata(vdev);
1150         struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
1151         struct atomisp_sub_device *asd = pipe->asd;
1152         struct videobuf_buffer *vb;
1153         struct videobuf_vmalloc_memory *vm_mem;
1154         struct ia_css_frame_info frame_info;
1155         struct ia_css_frame *handle = NULL;
1156         u32 length;
1157         u32 pgnr;
1158         int ret = 0;
1159
1160         rt_mutex_lock(&isp->mutex);
1161         if (isp->isp_fatal_error) {
1162                 ret = -EIO;
1163                 goto error;
1164         }
1165
1166         if (asd->streaming == ATOMISP_DEVICE_STREAMING_STOPPING) {
1167                 dev_err(isp->dev, "%s: reject, as ISP at stopping.\n",
1168                         __func__);
1169                 ret = -EIO;
1170                 goto error;
1171         }
1172
1173         if (!buf || buf->index >= VIDEO_MAX_FRAME ||
1174             !pipe->capq.bufs[buf->index]) {
1175                 dev_err(isp->dev, "Invalid index for qbuf.\n");
1176                 ret = -EINVAL;
1177                 goto error;
1178         }
1179
1180         /*
1181          * For userptr type frame, we convert user space address to physic
1182          * address and reprograme out page table properly
1183          */
1184         if (buf->memory == V4L2_MEMORY_USERPTR) {
1185                 vb = pipe->capq.bufs[buf->index];
1186                 vm_mem = vb->priv;
1187                 if (!vm_mem) {
1188                         ret = -EINVAL;
1189                         goto error;
1190                 }
1191
1192                 length = vb->bsize;
1193                 pgnr = (length + (PAGE_SIZE - 1)) >> PAGE_SHIFT;
1194
1195                 if (vb->baddr == buf->m.userptr && vm_mem->vaddr)
1196                         goto done;
1197
1198                 if (atomisp_get_css_frame_info(asd,
1199                                                atomisp_subdev_source_pad(vdev), &frame_info)) {
1200                         ret = -EIO;
1201                         goto error;
1202                 }
1203
1204                 ret = ia_css_frame_map(&handle, &frame_info,
1205                                             (void __user *)buf->m.userptr,
1206                                             0, pgnr);
1207                 if (ret) {
1208                         dev_err(isp->dev, "Failed to map user buffer\n");
1209                         goto error;
1210                 }
1211
1212                 if (vm_mem->vaddr) {
1213                         mutex_lock(&pipe->capq.vb_lock);
1214                         ia_css_frame_free(vm_mem->vaddr);
1215                         vm_mem->vaddr = NULL;
1216                         vb->state = VIDEOBUF_NEEDS_INIT;
1217                         mutex_unlock(&pipe->capq.vb_lock);
1218                 }
1219
1220                 vm_mem->vaddr = handle;
1221
1222                 buf->flags &= ~V4L2_BUF_FLAG_MAPPED;
1223                 buf->flags |= V4L2_BUF_FLAG_QUEUED;
1224                 buf->flags &= ~V4L2_BUF_FLAG_DONE;
1225         } else if (buf->memory == V4L2_MEMORY_MMAP) {
1226                 buf->flags |= V4L2_BUF_FLAG_MAPPED;
1227                 buf->flags |= V4L2_BUF_FLAG_QUEUED;
1228                 buf->flags &= ~V4L2_BUF_FLAG_DONE;
1229
1230                 /*
1231                  * For mmap, frames were allocated at request buffers
1232                  */
1233         }
1234
1235 done:
1236         if (!((buf->flags & NOFLUSH_FLAGS) == NOFLUSH_FLAGS))
1237                 wbinvd();
1238
1239         if (!atomisp_is_vf_pipe(pipe) &&
1240             (buf->reserved2 & ATOMISP_BUFFER_HAS_PER_FRAME_SETTING)) {
1241                 /* this buffer will have a per-frame parameter */
1242                 pipe->frame_request_config_id[buf->index] = buf->reserved2 &
1243                         ~ATOMISP_BUFFER_HAS_PER_FRAME_SETTING;
1244                 dev_dbg(isp->dev,
1245                         "This buffer requires per_frame setting which has isp_config_id %d\n",
1246                         pipe->frame_request_config_id[buf->index]);
1247         } else {
1248                 pipe->frame_request_config_id[buf->index] = 0;
1249         }
1250
1251         pipe->frame_params[buf->index] = NULL;
1252
1253         rt_mutex_unlock(&isp->mutex);
1254
1255         ret = videobuf_qbuf(&pipe->capq, buf);
1256         rt_mutex_lock(&isp->mutex);
1257         if (ret)
1258                 goto error;
1259
1260         /* TODO: do this better, not best way to queue to css */
1261         if (asd->streaming == ATOMISP_DEVICE_STREAMING_ENABLED) {
1262                 if (!list_empty(&pipe->buffers_waiting_for_param)) {
1263                         atomisp_handle_parameter_and_buffer(pipe);
1264                 } else {
1265                         atomisp_qbuffers_to_css(asd);
1266
1267                         if (!IS_ISP2401) {
1268                                 if (!atomisp_is_wdt_running(asd) && atomisp_buffers_queued(asd))
1269                                         atomisp_wdt_start(asd);
1270                         } else {
1271                                 if (!atomisp_is_wdt_running(pipe) &&
1272                                     atomisp_buffers_queued_pipe(pipe))
1273                                         atomisp_wdt_start_pipe(pipe);
1274                         }
1275                 }
1276         }
1277
1278         /* Workaround: Due to the design of HALv3,
1279          * sometimes in ZSL or SDV mode HAL needs to
1280          * capture multiple images within one streaming cycle.
1281          * But the capture number cannot be determined by HAL.
1282          * So HAL only sets the capture number to be 1 and queue multiple
1283          * buffers. Atomisp driver needs to check this case and re-trigger
1284          * CSS to do capture when new buffer is queued. */
1285         if (asd->continuous_mode->val &&
1286             atomisp_subdev_source_pad(vdev)
1287             == ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE &&
1288             pipe->capq.streaming &&
1289             !asd->enable_raw_buffer_lock->val &&
1290             asd->params.offline_parm.num_captures == 1) {
1291                 if (!IS_ISP2401) {
1292                         asd->pending_capture_request++;
1293                         dev_dbg(isp->dev, "Add one pending capture request.\n");
1294                 } else {
1295                         if (asd->re_trigger_capture) {
1296                                 ret = atomisp_css_offline_capture_configure(asd,
1297                                         asd->params.offline_parm.num_captures,
1298                                         asd->params.offline_parm.skip_frames,
1299                                         asd->params.offline_parm.offset);
1300                                 asd->re_trigger_capture = false;
1301                                 dev_dbg(isp->dev, "%s Trigger capture again ret=%d\n",
1302                                         __func__, ret);
1303
1304                         } else {
1305                                 asd->pending_capture_request++;
1306                                 asd->re_trigger_capture = false;
1307                                 dev_dbg(isp->dev, "Add one pending capture request.\n");
1308                         }
1309                 }
1310         }
1311         rt_mutex_unlock(&isp->mutex);
1312
1313         dev_dbg(isp->dev, "qbuf buffer %d (%s) for asd%d\n", buf->index,
1314                 vdev->name, asd->index);
1315
1316         return ret;
1317
1318 error:
1319         rt_mutex_unlock(&isp->mutex);
1320         return ret;
1321 }
1322
1323 static int atomisp_qbuf_file(struct file *file, void *fh,
1324                              struct v4l2_buffer *buf)
1325 {
1326         struct video_device *vdev = video_devdata(file);
1327         struct atomisp_device *isp = video_get_drvdata(vdev);
1328         struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
1329         int ret;
1330
1331         rt_mutex_lock(&isp->mutex);
1332         if (isp->isp_fatal_error) {
1333                 ret = -EIO;
1334                 goto error;
1335         }
1336
1337         if (!buf || buf->index >= VIDEO_MAX_FRAME ||
1338             !pipe->outq.bufs[buf->index]) {
1339                 dev_err(isp->dev, "Invalid index for qbuf.\n");
1340                 ret = -EINVAL;
1341                 goto error;
1342         }
1343
1344         if (buf->memory != V4L2_MEMORY_MMAP) {
1345                 dev_err(isp->dev, "Unsupported memory method\n");
1346                 ret = -EINVAL;
1347                 goto error;
1348         }
1349
1350         if (buf->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) {
1351                 dev_err(isp->dev, "Unsupported buffer type\n");
1352                 ret = -EINVAL;
1353                 goto error;
1354         }
1355         rt_mutex_unlock(&isp->mutex);
1356
1357         return videobuf_qbuf(&pipe->outq, buf);
1358
1359 error:
1360         rt_mutex_unlock(&isp->mutex);
1361
1362         return ret;
1363 }
1364
1365 static int __get_frame_exp_id(struct atomisp_video_pipe *pipe,
1366                               struct v4l2_buffer *buf)
1367 {
1368         struct videobuf_vmalloc_memory *vm_mem;
1369         struct ia_css_frame *handle;
1370         int i;
1371
1372         for (i = 0; pipe->capq.bufs[i]; i++) {
1373                 vm_mem = pipe->capq.bufs[i]->priv;
1374                 handle = vm_mem->vaddr;
1375                 if (buf->index == pipe->capq.bufs[i]->i && handle)
1376                         return handle->exp_id;
1377         }
1378         return -EINVAL;
1379 }
1380
1381 /*
1382  * Applications call the VIDIOC_DQBUF ioctl to dequeue a filled (capturing) or
1383  * displayed (output buffer)from the driver's outgoing queue
1384  */
1385 static int atomisp_dqbuf(struct file *file, void *fh, struct v4l2_buffer *buf)
1386 {
1387         struct video_device *vdev = video_devdata(file);
1388         struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
1389         struct atomisp_sub_device *asd = pipe->asd;
1390         struct atomisp_device *isp = video_get_drvdata(vdev);
1391         int ret = 0;
1392
1393         rt_mutex_lock(&isp->mutex);
1394
1395         if (isp->isp_fatal_error) {
1396                 rt_mutex_unlock(&isp->mutex);
1397                 return -EIO;
1398         }
1399
1400         if (asd->streaming == ATOMISP_DEVICE_STREAMING_STOPPING) {
1401                 rt_mutex_unlock(&isp->mutex);
1402                 dev_err(isp->dev, "%s: reject, as ISP at stopping.\n",
1403                         __func__);
1404                 return -EIO;
1405         }
1406
1407         rt_mutex_unlock(&isp->mutex);
1408
1409         ret = videobuf_dqbuf(&pipe->capq, buf, file->f_flags & O_NONBLOCK);
1410         if (ret) {
1411                 if (ret != -EAGAIN)
1412                         dev_dbg(isp->dev, "<%s: %d\n", __func__, ret);
1413                 return ret;
1414         }
1415         rt_mutex_lock(&isp->mutex);
1416         buf->bytesused = pipe->pix.sizeimage;
1417         buf->reserved = asd->frame_status[buf->index];
1418
1419         /*
1420          * Hack:
1421          * Currently frame_status in the enum type which takes no more lower
1422          * 8 bit.
1423          * use bit[31:16] for exp_id as it is only in the range of 1~255
1424          */
1425         buf->reserved &= 0x0000ffff;
1426         if (!(buf->flags & V4L2_BUF_FLAG_ERROR))
1427                 buf->reserved |= __get_frame_exp_id(pipe, buf) << 16;
1428         buf->reserved2 = pipe->frame_config_id[buf->index];
1429         rt_mutex_unlock(&isp->mutex);
1430
1431         dev_dbg(isp->dev,
1432                 "dqbuf buffer %d (%s) for asd%d with exp_id %d, isp_config_id %d\n",
1433                 buf->index, vdev->name, asd->index, buf->reserved >> 16,
1434                 buf->reserved2);
1435         return 0;
1436 }
1437
1438 enum ia_css_pipe_id atomisp_get_css_pipe_id(struct atomisp_sub_device *asd)
1439 {
1440         if (ATOMISP_USE_YUVPP(asd))
1441                 return IA_CSS_PIPE_ID_YUVPP;
1442
1443         if (asd->continuous_mode->val) {
1444                 if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO)
1445                         return IA_CSS_PIPE_ID_VIDEO;
1446                 else
1447                         return IA_CSS_PIPE_ID_PREVIEW;
1448         }
1449
1450         /*
1451          * Disable vf_pp and run CSS in video mode. This allows using ISP
1452          * scaling but it has one frame delay due to CSS internal buffering.
1453          */
1454         if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_SCALER)
1455                 return IA_CSS_PIPE_ID_VIDEO;
1456
1457         /*
1458          * Disable vf_pp and run CSS in still capture mode. In this mode
1459          * CSS does not cause extra latency with buffering, but scaling
1460          * is not available.
1461          */
1462         if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_LOWLAT)
1463                 return IA_CSS_PIPE_ID_CAPTURE;
1464
1465         switch (asd->run_mode->val) {
1466         case ATOMISP_RUN_MODE_PREVIEW:
1467                 return IA_CSS_PIPE_ID_PREVIEW;
1468         case ATOMISP_RUN_MODE_VIDEO:
1469                 return IA_CSS_PIPE_ID_VIDEO;
1470         case ATOMISP_RUN_MODE_STILL_CAPTURE:
1471         /* fall through */
1472         default:
1473                 return IA_CSS_PIPE_ID_CAPTURE;
1474         }
1475 }
1476
1477 static unsigned int atomisp_sensor_start_stream(struct atomisp_sub_device *asd)
1478 {
1479         struct atomisp_device *isp = asd->isp;
1480
1481         if (isp->inputs[asd->input_curr].camera_caps->
1482             sensor[asd->sensor_curr].stream_num > 1) {
1483                 if (asd->high_speed_mode)
1484                         return 1;
1485                 else
1486                         return 2;
1487         }
1488
1489         if (asd->vfpp->val != ATOMISP_VFPP_ENABLE ||
1490             asd->copy_mode)
1491                 return 1;
1492
1493         if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO ||
1494             (asd->run_mode->val == ATOMISP_RUN_MODE_STILL_CAPTURE &&
1495              !atomisp_is_mbuscode_raw(
1496                  asd->fmt[
1497                   asd->capture_pad].fmt.code) &&
1498              !asd->continuous_mode->val))
1499                 return 2;
1500         else
1501                 return 1;
1502 }
1503
1504 int atomisp_stream_on_master_slave_sensor(struct atomisp_device *isp,
1505         bool isp_timeout)
1506 {
1507         unsigned int master = -1, slave = -1, delay_slave = 0;
1508         int i, ret;
1509
1510         /*
1511          * ISP only support 2 streams now so ignore multiple master/slave
1512          * case to reduce the delay between 2 stream_on calls.
1513          */
1514         for (i = 0; i < isp->num_of_streams; i++) {
1515                 int sensor_index = isp->asd[i].input_curr;
1516
1517                 if (isp->inputs[sensor_index].camera_caps->
1518                     sensor[isp->asd[i].sensor_curr].is_slave)
1519                         slave = sensor_index;
1520                 else
1521                         master = sensor_index;
1522         }
1523
1524         if (master == -1 || slave == -1) {
1525                 master = ATOMISP_DEPTH_DEFAULT_MASTER_SENSOR;
1526                 slave = ATOMISP_DEPTH_DEFAULT_SLAVE_SENSOR;
1527                 dev_warn(isp->dev,
1528                          "depth mode use default master=%s.slave=%s.\n",
1529                          isp->inputs[master].camera->name,
1530                          isp->inputs[slave].camera->name);
1531         }
1532
1533         ret = v4l2_subdev_call(isp->inputs[master].camera, core,
1534                                ioctl, ATOMISP_IOC_G_DEPTH_SYNC_COMP,
1535                                &delay_slave);
1536         if (ret)
1537                 dev_warn(isp->dev,
1538                          "get depth sensor %s compensation delay failed.\n",
1539                          isp->inputs[master].camera->name);
1540
1541         ret = v4l2_subdev_call(isp->inputs[master].camera,
1542                                video, s_stream, 1);
1543         if (ret) {
1544                 dev_err(isp->dev, "depth mode master sensor %s stream-on failed.\n",
1545                         isp->inputs[master].camera->name);
1546                 return -EINVAL;
1547         }
1548
1549         if (delay_slave != 0)
1550                 udelay(delay_slave);
1551
1552         ret = v4l2_subdev_call(isp->inputs[slave].camera,
1553                                video, s_stream, 1);
1554         if (ret) {
1555                 dev_err(isp->dev, "depth mode slave sensor %s stream-on failed.\n",
1556                         isp->inputs[slave].camera->name);
1557                 v4l2_subdev_call(isp->inputs[master].camera, video, s_stream, 0);
1558
1559                 return -EINVAL;
1560         }
1561
1562         return 0;
1563 }
1564
1565 /* FIXME! ISP2400 */
1566 static void __wdt_on_master_slave_sensor(struct atomisp_device *isp,
1567                                          unsigned int wdt_duration)
1568 {
1569         if (atomisp_buffers_queued(&isp->asd[0]))
1570                 atomisp_wdt_refresh(&isp->asd[0], wdt_duration);
1571         if (atomisp_buffers_queued(&isp->asd[1]))
1572                 atomisp_wdt_refresh(&isp->asd[1], wdt_duration);
1573 }
1574
1575 /* FIXME! ISP2401 */
1576 static void __wdt_on_master_slave_sensor_pipe(struct atomisp_video_pipe *pipe,
1577                                               unsigned int wdt_duration,
1578                                               bool enable)
1579 {
1580         static struct atomisp_video_pipe *pipe0;
1581
1582         if (enable) {
1583                 if (atomisp_buffers_queued_pipe(pipe0))
1584                         atomisp_wdt_refresh_pipe(pipe0, wdt_duration);
1585                 if (atomisp_buffers_queued_pipe(pipe))
1586                         atomisp_wdt_refresh_pipe(pipe, wdt_duration);
1587         } else {
1588                 pipe0 = pipe;
1589         }
1590 }
1591
1592 static void atomisp_pause_buffer_event(struct atomisp_device *isp)
1593 {
1594         struct v4l2_event event = {0};
1595         int i;
1596
1597         event.type = V4L2_EVENT_ATOMISP_PAUSE_BUFFER;
1598
1599         for (i = 0; i < isp->num_of_streams; i++) {
1600                 int sensor_index = isp->asd[i].input_curr;
1601
1602                 if (isp->inputs[sensor_index].camera_caps->
1603                     sensor[isp->asd[i].sensor_curr].is_slave) {
1604                         v4l2_event_queue(isp->asd[i].subdev.devnode, &event);
1605                         break;
1606                 }
1607         }
1608 }
1609
1610 /* Input system HW workaround */
1611 /* Input system address translation corrupts burst during */
1612 /* invalidate. SW workaround for this is to set burst length */
1613 /* manually to 128 in case of 13MPx snapshot and to 1 otherwise. */
1614 static void atomisp_dma_burst_len_cfg(struct atomisp_sub_device *asd)
1615 {
1616         struct v4l2_mbus_framefmt *sink;
1617
1618         sink = atomisp_subdev_get_ffmt(&asd->subdev, NULL,
1619                                        V4L2_SUBDEV_FORMAT_ACTIVE,
1620                                        ATOMISP_SUBDEV_PAD_SINK);
1621
1622         if (sink->width * sink->height >= 4096 * 3072)
1623                 atomisp_css2_hw_store_32(DMA_BURST_SIZE_REG, 0x7F);
1624         else
1625                 atomisp_css2_hw_store_32(DMA_BURST_SIZE_REG, 0x00);
1626 }
1627
1628 /*
1629  * This ioctl start the capture during streaming I/O.
1630  */
1631 static int atomisp_streamon(struct file *file, void *fh,
1632                             enum v4l2_buf_type type)
1633 {
1634         struct video_device *vdev = video_devdata(file);
1635         struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
1636         struct atomisp_sub_device *asd = pipe->asd;
1637         struct atomisp_device *isp = video_get_drvdata(vdev);
1638         enum ia_css_pipe_id css_pipe_id;
1639         unsigned int sensor_start_stream;
1640         unsigned int wdt_duration = ATOMISP_ISP_TIMEOUT_DURATION;
1641         int ret = 0;
1642         unsigned long irqflags;
1643
1644         dev_dbg(isp->dev, "Start stream on pad %d for asd%d\n",
1645                 atomisp_subdev_source_pad(vdev), asd->index);
1646
1647         if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
1648                 dev_dbg(isp->dev, "unsupported v4l2 buf type\n");
1649                 return -EINVAL;
1650         }
1651
1652         rt_mutex_lock(&isp->mutex);
1653         if (isp->isp_fatal_error) {
1654                 ret = -EIO;
1655                 goto out;
1656         }
1657
1658         if (asd->streaming == ATOMISP_DEVICE_STREAMING_STOPPING) {
1659                 ret = -EBUSY;
1660                 goto out;
1661         }
1662
1663         if (pipe->capq.streaming)
1664                 goto out;
1665
1666         /* Input system HW workaround */
1667         atomisp_dma_burst_len_cfg(asd);
1668
1669         /*
1670          * The number of streaming video nodes is based on which
1671          * binary is going to be run.
1672          */
1673         sensor_start_stream = atomisp_sensor_start_stream(asd);
1674
1675         spin_lock_irqsave(&pipe->irq_lock, irqflags);
1676         if (list_empty(&pipe->capq.stream)) {
1677                 spin_unlock_irqrestore(&pipe->irq_lock, irqflags);
1678                 dev_dbg(isp->dev, "no buffer in the queue\n");
1679                 ret = -EINVAL;
1680                 goto out;
1681         }
1682         spin_unlock_irqrestore(&pipe->irq_lock, irqflags);
1683
1684         ret = videobuf_streamon(&pipe->capq);
1685         if (ret)
1686                 goto out;
1687
1688         /* Reset pending capture request count. */
1689         asd->pending_capture_request = 0;
1690         if (IS_ISP2401)
1691                 asd->re_trigger_capture = false;
1692
1693         if ((atomisp_subdev_streaming_count(asd) > sensor_start_stream) &&
1694             (!isp->inputs[asd->input_curr].camera_caps->multi_stream_ctrl)) {
1695                 /* trigger still capture */
1696                 if (asd->continuous_mode->val &&
1697                     atomisp_subdev_source_pad(vdev)
1698                     == ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE) {
1699                         if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO)
1700                                 dev_dbg(isp->dev, "SDV last video raw buffer id: %u\n",
1701                                         asd->latest_preview_exp_id);
1702                         else
1703                                 dev_dbg(isp->dev, "ZSL last preview raw buffer id: %u\n",
1704                                         asd->latest_preview_exp_id);
1705
1706                         if (asd->delayed_init == ATOMISP_DELAYED_INIT_QUEUED) {
1707                                 flush_work(&asd->delayed_init_work);
1708                                 rt_mutex_unlock(&isp->mutex);
1709                                 if (wait_for_completion_interruptible(
1710                                         &asd->init_done) != 0)
1711                                         return -ERESTARTSYS;
1712                                 rt_mutex_lock(&isp->mutex);
1713                         }
1714
1715                         /* handle per_frame_setting parameter and buffers */
1716                         atomisp_handle_parameter_and_buffer(pipe);
1717
1718                         /*
1719                          * only ZSL/SDV capture request will be here, raise
1720                          * the ISP freq to the highest possible to minimize
1721                          * the S2S latency.
1722                          */
1723                         atomisp_freq_scaling(isp, ATOMISP_DFS_MODE_MAX, false);
1724                         /*
1725                          * When asd->enable_raw_buffer_lock->val is true,
1726                          * An extra IOCTL is needed to call
1727                          * atomisp_css_exp_id_capture and trigger real capture
1728                          */
1729                         if (!asd->enable_raw_buffer_lock->val) {
1730                                 ret = atomisp_css_offline_capture_configure(asd,
1731                                         asd->params.offline_parm.num_captures,
1732                                         asd->params.offline_parm.skip_frames,
1733                                         asd->params.offline_parm.offset);
1734                                 if (ret) {
1735                                         ret = -EINVAL;
1736                                         goto out;
1737                                 }
1738                                 if (asd->depth_mode->val)
1739                                         atomisp_pause_buffer_event(isp);
1740                         }
1741                 }
1742                 atomisp_qbuffers_to_css(asd);
1743                 goto out;
1744         }
1745
1746         if (asd->streaming == ATOMISP_DEVICE_STREAMING_ENABLED) {
1747                 atomisp_qbuffers_to_css(asd);
1748                 goto start_sensor;
1749         }
1750
1751         css_pipe_id = atomisp_get_css_pipe_id(asd);
1752
1753         ret = atomisp_acc_load_extensions(asd);
1754         if (ret < 0) {
1755                 dev_err(isp->dev, "acc extension failed to load\n");
1756                 goto out;
1757         }
1758
1759         if (asd->params.css_update_params_needed) {
1760                 atomisp_apply_css_parameters(asd, &asd->params.css_param);
1761                 if (asd->params.css_param.update_flag.dz_config)
1762                         asd->params.config.dz_config = &asd->params.css_param.dz_config;
1763                 atomisp_css_update_isp_params(asd);
1764                 asd->params.css_update_params_needed = false;
1765                 memset(&asd->params.css_param.update_flag, 0,
1766                        sizeof(struct atomisp_parameters));
1767         }
1768         asd->params.dvs_6axis = NULL;
1769
1770         ret = atomisp_css_start(asd, css_pipe_id, false);
1771         if (ret)
1772                 goto out;
1773
1774         asd->streaming = ATOMISP_DEVICE_STREAMING_ENABLED;
1775         atomic_set(&asd->sof_count, -1);
1776         atomic_set(&asd->sequence, -1);
1777         atomic_set(&asd->sequence_temp, -1);
1778         if (isp->sw_contex.file_input)
1779                 wdt_duration = ATOMISP_ISP_FILE_TIMEOUT_DURATION;
1780
1781         asd->params.dis_proj_data_valid = false;
1782         asd->latest_preview_exp_id = 0;
1783         asd->postview_exp_id = 1;
1784         asd->preview_exp_id = 1;
1785
1786         /* handle per_frame_setting parameter and buffers */
1787         atomisp_handle_parameter_and_buffer(pipe);
1788
1789         atomisp_qbuffers_to_css(asd);
1790
1791         /* Only start sensor when the last streaming instance started */
1792         if (atomisp_subdev_streaming_count(asd) < sensor_start_stream)
1793                 goto out;
1794
1795 start_sensor:
1796         if (isp->flash) {
1797                 asd->params.num_flash_frames = 0;
1798                 asd->params.flash_state = ATOMISP_FLASH_IDLE;
1799                 atomisp_setup_flash(asd);
1800         }
1801
1802         if (!isp->sw_contex.file_input) {
1803                 atomisp_css_irq_enable(isp, IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF,
1804                                        atomisp_css_valid_sof(isp));
1805                 atomisp_csi2_configure(asd);
1806                 /*
1807                  * set freq to max when streaming count > 1 which indicate
1808                  * dual camera would run
1809                 */
1810                 if (atomisp_streaming_count(isp) > 1) {
1811                         if (atomisp_freq_scaling(isp,
1812                                                  ATOMISP_DFS_MODE_MAX, false) < 0)
1813                                 dev_dbg(isp->dev, "DFS max mode failed!\n");
1814                 } else {
1815                         if (atomisp_freq_scaling(isp,
1816                                                  ATOMISP_DFS_MODE_AUTO, false) < 0)
1817                                 dev_dbg(isp->dev, "DFS auto mode failed!\n");
1818                 }
1819         } else {
1820                 if (atomisp_freq_scaling(isp, ATOMISP_DFS_MODE_MAX, false) < 0)
1821                         dev_dbg(isp->dev, "DFS max mode failed!\n");
1822         }
1823
1824         if (asd->depth_mode->val && atomisp_streaming_count(isp) ==
1825             ATOMISP_DEPTH_SENSOR_STREAMON_COUNT) {
1826                 ret = atomisp_stream_on_master_slave_sensor(isp, false);
1827                 if (ret) {
1828                         dev_err(isp->dev, "master slave sensor stream on failed!\n");
1829                         goto out;
1830                 }
1831                 if (!IS_ISP2401) {
1832                         __wdt_on_master_slave_sensor(isp, wdt_duration);
1833                 } else {
1834                         __wdt_on_master_slave_sensor_pipe(pipe, wdt_duration, true);
1835                 }
1836                 goto start_delay_wq;
1837         } else if (asd->depth_mode->val && (atomisp_streaming_count(isp) <
1838                                             ATOMISP_DEPTH_SENSOR_STREAMON_COUNT)) {
1839                 if (IS_ISP2401)
1840                         __wdt_on_master_slave_sensor_pipe(pipe, wdt_duration, false);
1841                 goto start_delay_wq;
1842         }
1843
1844         /* Enable the CSI interface on ANN B0/K0 */
1845         if (isp->media_dev.hw_revision >= ((ATOMISP_HW_REVISION_ISP2401 <<
1846                                             ATOMISP_HW_REVISION_SHIFT) | ATOMISP_HW_STEPPING_B0)) {
1847                 pci_write_config_word(isp->pdev, MRFLD_PCI_CSI_CONTROL,
1848                                       isp->saved_regs.csi_control |
1849                                       MRFLD_PCI_CSI_CONTROL_CSI_READY);
1850         }
1851
1852         /* stream on the sensor */
1853         ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
1854                                video, s_stream, 1);
1855         if (ret) {
1856                 asd->streaming = ATOMISP_DEVICE_STREAMING_DISABLED;
1857                 ret = -EINVAL;
1858                 goto out;
1859         }
1860
1861         if (!IS_ISP2401) {
1862                 if (atomisp_buffers_queued(asd))
1863                         atomisp_wdt_refresh(asd, wdt_duration);
1864         } else {
1865                 if (atomisp_buffers_queued_pipe(pipe))
1866                         atomisp_wdt_refresh_pipe(pipe, wdt_duration);
1867         }
1868
1869 start_delay_wq:
1870         if (asd->continuous_mode->val) {
1871                 struct v4l2_mbus_framefmt *sink;
1872
1873                 sink = atomisp_subdev_get_ffmt(&asd->subdev, NULL,
1874                                                V4L2_SUBDEV_FORMAT_ACTIVE,
1875                                                ATOMISP_SUBDEV_PAD_SINK);
1876
1877                 reinit_completion(&asd->init_done);
1878                 asd->delayed_init = ATOMISP_DELAYED_INIT_QUEUED;
1879                 queue_work(asd->delayed_init_workq, &asd->delayed_init_work);
1880                 atomisp_css_set_cont_prev_start_time(isp,
1881                                                      ATOMISP_CALC_CSS_PREV_OVERLAP(sink->height));
1882         } else {
1883                 asd->delayed_init = ATOMISP_DELAYED_INIT_NOT_QUEUED;
1884         }
1885 out:
1886         rt_mutex_unlock(&isp->mutex);
1887         return ret;
1888 }
1889
1890 int __atomisp_streamoff(struct file *file, void *fh, enum v4l2_buf_type type)
1891 {
1892         struct video_device *vdev = video_devdata(file);
1893         struct atomisp_device *isp = video_get_drvdata(vdev);
1894         struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
1895         struct atomisp_sub_device *asd = pipe->asd;
1896         struct atomisp_video_pipe *capture_pipe = NULL;
1897         struct atomisp_video_pipe *vf_pipe = NULL;
1898         struct atomisp_video_pipe *preview_pipe = NULL;
1899         struct atomisp_video_pipe *video_pipe = NULL;
1900         struct videobuf_buffer *vb, *_vb;
1901         enum ia_css_pipe_id css_pipe_id;
1902         int ret;
1903         unsigned long flags;
1904         bool first_streamoff = false;
1905
1906         dev_dbg(isp->dev, "Stop stream on pad %d for asd%d\n",
1907                 atomisp_subdev_source_pad(vdev), asd->index);
1908
1909         BUG_ON(!rt_mutex_is_locked(&isp->mutex));
1910         BUG_ON(!mutex_is_locked(&isp->streamoff_mutex));
1911
1912         if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
1913                 dev_dbg(isp->dev, "unsupported v4l2 buf type\n");
1914                 return -EINVAL;
1915         }
1916
1917         /*
1918          * do only videobuf_streamoff for capture & vf pipes in
1919          * case of continuous capture
1920          */
1921         if ((asd->continuous_mode->val ||
1922              isp->inputs[asd->input_curr].camera_caps->multi_stream_ctrl) &&
1923             atomisp_subdev_source_pad(vdev) !=
1924             ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW &&
1925             atomisp_subdev_source_pad(vdev) !=
1926             ATOMISP_SUBDEV_PAD_SOURCE_VIDEO) {
1927                 if (isp->inputs[asd->input_curr].camera_caps->multi_stream_ctrl) {
1928                         v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
1929                                          video, s_stream, 0);
1930                 } else if (atomisp_subdev_source_pad(vdev)
1931                            == ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE) {
1932                         /* stop continuous still capture if needed */
1933                         if (asd->params.offline_parm.num_captures == -1)
1934                                 atomisp_css_offline_capture_configure(asd,
1935                                                                       0, 0, 0);
1936                         atomisp_freq_scaling(isp, ATOMISP_DFS_MODE_AUTO, false);
1937                 }
1938                 /*
1939                  * Currently there is no way to flush buffers queued to css.
1940                  * When doing videobuf_streamoff, active buffers will be
1941                  * marked as VIDEOBUF_NEEDS_INIT. HAL will be able to use
1942                  * these buffers again, and these buffers might be queued to
1943                  * css more than once! Warn here, if HAL has not dequeued all
1944                  * buffers back before calling streamoff.
1945                  */
1946                 if (pipe->buffers_in_css != 0) {
1947                         WARN(1, "%s: buffers of vdev %s still in CSS!\n",
1948                              __func__, pipe->vdev.name);
1949
1950                         /*
1951                          * Buffers remained in css maybe dequeued out in the
1952                          * next stream on, while this will causes serious
1953                          * issues as buffers already get invalid after
1954                          * previous stream off.
1955                          *
1956                          * No way to flush buffers but to reset the whole css
1957                          */
1958                         dev_warn(isp->dev, "Reset CSS to clean up css buffers.\n");
1959                         atomisp_css_flush(isp);
1960                 }
1961
1962                 return videobuf_streamoff(&pipe->capq);
1963         }
1964
1965         if (!pipe->capq.streaming)
1966                 return 0;
1967
1968         spin_lock_irqsave(&isp->lock, flags);
1969         if (asd->streaming == ATOMISP_DEVICE_STREAMING_ENABLED) {
1970                 asd->streaming = ATOMISP_DEVICE_STREAMING_STOPPING;
1971                 first_streamoff = true;
1972         }
1973         spin_unlock_irqrestore(&isp->lock, flags);
1974
1975         if (first_streamoff) {
1976                 /* if other streams are running, should not disable watch dog */
1977                 rt_mutex_unlock(&isp->mutex);
1978                 atomisp_wdt_stop(asd, true);
1979
1980                 /*
1981                  * must stop sending pixels into GP_FIFO before stop
1982                  * the pipeline.
1983                  */
1984                 if (isp->sw_contex.file_input)
1985                         v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
1986                                          video, s_stream, 0);
1987
1988                 rt_mutex_lock(&isp->mutex);
1989                 atomisp_acc_unload_extensions(asd);
1990         }
1991
1992         spin_lock_irqsave(&isp->lock, flags);
1993         if (atomisp_subdev_streaming_count(asd) == 1)
1994                 asd->streaming = ATOMISP_DEVICE_STREAMING_DISABLED;
1995         spin_unlock_irqrestore(&isp->lock, flags);
1996
1997         if (!first_streamoff) {
1998                 ret = videobuf_streamoff(&pipe->capq);
1999                 if (ret)
2000                         return ret;
2001                 goto stopsensor;
2002         }
2003
2004         atomisp_clear_css_buffer_counters(asd);
2005
2006         if (!isp->sw_contex.file_input)
2007                 atomisp_css_irq_enable(isp, IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF,
2008                                        false);
2009
2010         if (asd->delayed_init == ATOMISP_DELAYED_INIT_QUEUED) {
2011                 cancel_work_sync(&asd->delayed_init_work);
2012                 asd->delayed_init = ATOMISP_DELAYED_INIT_NOT_QUEUED;
2013         }
2014         if (first_streamoff) {
2015                 css_pipe_id = atomisp_get_css_pipe_id(asd);
2016                 ret = atomisp_css_stop(asd, css_pipe_id, false);
2017         }
2018         /* cancel work queue*/
2019         if (asd->video_out_capture.users) {
2020                 capture_pipe = &asd->video_out_capture;
2021                 wake_up_interruptible(&capture_pipe->capq.wait);
2022         }
2023         if (asd->video_out_vf.users) {
2024                 vf_pipe = &asd->video_out_vf;
2025                 wake_up_interruptible(&vf_pipe->capq.wait);
2026         }
2027         if (asd->video_out_preview.users) {
2028                 preview_pipe = &asd->video_out_preview;
2029                 wake_up_interruptible(&preview_pipe->capq.wait);
2030         }
2031         if (asd->video_out_video_capture.users) {
2032                 video_pipe = &asd->video_out_video_capture;
2033                 wake_up_interruptible(&video_pipe->capq.wait);
2034         }
2035         ret = videobuf_streamoff(&pipe->capq);
2036         if (ret)
2037                 return ret;
2038
2039         /* cleanup css here */
2040         /* no need for this, as ISP will be reset anyway */
2041         /*atomisp_flush_bufs_in_css(isp);*/
2042
2043         spin_lock_irqsave(&pipe->irq_lock, flags);
2044         list_for_each_entry_safe(vb, _vb, &pipe->activeq, queue) {
2045                 vb->state = VIDEOBUF_PREPARED;
2046                 list_del(&vb->queue);
2047         }
2048         list_for_each_entry_safe(vb, _vb, &pipe->buffers_waiting_for_param, queue) {
2049                 vb->state = VIDEOBUF_PREPARED;
2050                 list_del(&vb->queue);
2051                 pipe->frame_request_config_id[vb->i] = 0;
2052         }
2053         spin_unlock_irqrestore(&pipe->irq_lock, flags);
2054
2055         atomisp_subdev_cleanup_pending_events(asd);
2056 stopsensor:
2057         if (atomisp_subdev_streaming_count(asd) + 1
2058             != atomisp_sensor_start_stream(asd))
2059                 return 0;
2060
2061         if (!isp->sw_contex.file_input)
2062                 ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
2063                                        video, s_stream, 0);
2064
2065         if (isp->flash) {
2066                 asd->params.num_flash_frames = 0;
2067                 asd->params.flash_state = ATOMISP_FLASH_IDLE;
2068         }
2069
2070         /* if other streams are running, isp should not be powered off */
2071         if (atomisp_streaming_count(isp)) {
2072                 atomisp_css_flush(isp);
2073                 return 0;
2074         }
2075
2076         /* Disable the CSI interface on ANN B0/K0 */
2077         if (isp->media_dev.hw_revision >= ((ATOMISP_HW_REVISION_ISP2401 <<
2078                                             ATOMISP_HW_REVISION_SHIFT) | ATOMISP_HW_STEPPING_B0)) {
2079                 pci_write_config_word(isp->pdev, MRFLD_PCI_CSI_CONTROL,
2080                                       isp->saved_regs.csi_control &
2081                                       ~MRFLD_PCI_CSI_CONTROL_CSI_READY);
2082         }
2083
2084         if (atomisp_freq_scaling(isp, ATOMISP_DFS_MODE_LOW, false))
2085                 dev_warn(isp->dev, "DFS failed.\n");
2086         /*
2087          * ISP work around, need to reset isp
2088          * Is it correct time to reset ISP when first node does streamoff?
2089          */
2090         if (isp->sw_contex.power_state == ATOM_ISP_POWER_UP) {
2091                 unsigned int i;
2092                 bool recreate_streams[MAX_STREAM_NUM] = {0};
2093
2094                 if (isp->isp_timeout)
2095                         dev_err(isp->dev, "%s: Resetting with WA activated",
2096                                 __func__);
2097                 /*
2098                  * It is possible that the other asd stream is in the stage
2099                  * that v4l2_setfmt is just get called on it, which will
2100                  * create css stream on that stream. But at this point, there
2101                  * is no way to destroy the css stream created on that stream.
2102                  *
2103                  * So force stream destroy here.
2104                  */
2105                 for (i = 0; i < isp->num_of_streams; i++) {
2106                         if (isp->asd[i].stream_prepared) {
2107                                 atomisp_destroy_pipes_stream_force(&isp->
2108                                                                    asd[i]);
2109                                 recreate_streams[i] = true;
2110                         }
2111                 }
2112
2113                 /* disable  PUNIT/ISP acknowlede/handshake - SRSE=3 */
2114                 pci_write_config_dword(isp->pdev, PCI_I_CONTROL, isp->saved_regs.i_control |
2115                                        MRFLD_PCI_I_CONTROL_SRSE_RESET_MASK);
2116                 dev_err(isp->dev, "atomisp_reset");
2117                 atomisp_reset(isp);
2118                 for (i = 0; i < isp->num_of_streams; i++) {
2119                         if (recreate_streams[i])
2120                                 atomisp_create_pipes_stream(&isp->asd[i]);
2121                 }
2122                 isp->isp_timeout = false;
2123         }
2124         return ret;
2125 }
2126
2127 static int atomisp_streamoff(struct file *file, void *fh,
2128                              enum v4l2_buf_type type)
2129 {
2130         struct video_device *vdev = video_devdata(file);
2131         struct atomisp_device *isp = video_get_drvdata(vdev);
2132         int rval;
2133
2134         mutex_lock(&isp->streamoff_mutex);
2135         rt_mutex_lock(&isp->mutex);
2136         rval = __atomisp_streamoff(file, fh, type);
2137         rt_mutex_unlock(&isp->mutex);
2138         mutex_unlock(&isp->streamoff_mutex);
2139
2140         return rval;
2141 }
2142
2143 /*
2144  * To get the current value of a control.
2145  * applications initialize the id field of a struct v4l2_control and
2146  * call this ioctl with a pointer to this structure
2147  */
2148 static int atomisp_g_ctrl(struct file *file, void *fh,
2149                           struct v4l2_control *control)
2150 {
2151         struct video_device *vdev = video_devdata(file);
2152         struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
2153         struct atomisp_device *isp = video_get_drvdata(vdev);
2154         int i, ret = -EINVAL;
2155
2156         for (i = 0; i < ctrls_num; i++) {
2157                 if (ci_v4l2_controls[i].id == control->id) {
2158                         ret = 0;
2159                         break;
2160                 }
2161         }
2162
2163         if (ret)
2164                 return ret;
2165
2166         rt_mutex_lock(&isp->mutex);
2167
2168         switch (control->id) {
2169         case V4L2_CID_IRIS_ABSOLUTE:
2170         case V4L2_CID_EXPOSURE_ABSOLUTE:
2171         case V4L2_CID_FNUMBER_ABSOLUTE:
2172         case V4L2_CID_2A_STATUS:
2173         case V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE:
2174         case V4L2_CID_EXPOSURE:
2175         case V4L2_CID_EXPOSURE_AUTO:
2176         case V4L2_CID_SCENE_MODE:
2177         case V4L2_CID_ISO_SENSITIVITY:
2178         case V4L2_CID_ISO_SENSITIVITY_AUTO:
2179         case V4L2_CID_CONTRAST:
2180         case V4L2_CID_SATURATION:
2181         case V4L2_CID_SHARPNESS:
2182         case V4L2_CID_3A_LOCK:
2183         case V4L2_CID_EXPOSURE_ZONE_NUM:
2184         case V4L2_CID_TEST_PATTERN:
2185         case V4L2_CID_TEST_PATTERN_COLOR_R:
2186         case V4L2_CID_TEST_PATTERN_COLOR_GR:
2187         case V4L2_CID_TEST_PATTERN_COLOR_GB:
2188         case V4L2_CID_TEST_PATTERN_COLOR_B:
2189                 rt_mutex_unlock(&isp->mutex);
2190                 return v4l2_g_ctrl(isp->inputs[asd->input_curr].camera->
2191                                    ctrl_handler, control);
2192         case V4L2_CID_COLORFX:
2193                 ret = atomisp_color_effect(asd, 0, &control->value);
2194                 break;
2195         case V4L2_CID_ATOMISP_BAD_PIXEL_DETECTION:
2196                 ret = atomisp_bad_pixel(asd, 0, &control->value);
2197                 break;
2198         case V4L2_CID_ATOMISP_POSTPROCESS_GDC_CAC:
2199                 ret = atomisp_gdc_cac(asd, 0, &control->value);
2200                 break;
2201         case V4L2_CID_ATOMISP_VIDEO_STABLIZATION:
2202                 ret = atomisp_video_stable(asd, 0, &control->value);
2203                 break;
2204         case V4L2_CID_ATOMISP_FIXED_PATTERN_NR:
2205                 ret = atomisp_fixed_pattern(asd, 0, &control->value);
2206                 break;
2207         case V4L2_CID_ATOMISP_FALSE_COLOR_CORRECTION:
2208                 ret = atomisp_false_color(asd, 0, &control->value);
2209                 break;
2210         case V4L2_CID_ATOMISP_LOW_LIGHT:
2211                 ret = atomisp_low_light(asd, 0, &control->value);
2212                 break;
2213         default:
2214                 ret = -EINVAL;
2215                 break;
2216         }
2217
2218         rt_mutex_unlock(&isp->mutex);
2219         return ret;
2220 }
2221
2222 /*
2223  * To change the value of a control.
2224  * applications initialize the id and value fields of a struct v4l2_control
2225  * and call this ioctl.
2226  */
2227 static int atomisp_s_ctrl(struct file *file, void *fh,
2228                           struct v4l2_control *control)
2229 {
2230         struct video_device *vdev = video_devdata(file);
2231         struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
2232         struct atomisp_device *isp = video_get_drvdata(vdev);
2233         int i, ret = -EINVAL;
2234
2235         for (i = 0; i < ctrls_num; i++) {
2236                 if (ci_v4l2_controls[i].id == control->id) {
2237                         ret = 0;
2238                         break;
2239                 }
2240         }
2241
2242         if (ret)
2243                 return ret;
2244
2245         rt_mutex_lock(&isp->mutex);
2246         switch (control->id) {
2247         case V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE:
2248         case V4L2_CID_EXPOSURE:
2249         case V4L2_CID_EXPOSURE_AUTO:
2250         case V4L2_CID_EXPOSURE_AUTO_PRIORITY:
2251         case V4L2_CID_SCENE_MODE:
2252         case V4L2_CID_ISO_SENSITIVITY:
2253         case V4L2_CID_ISO_SENSITIVITY_AUTO:
2254         case V4L2_CID_POWER_LINE_FREQUENCY:
2255         case V4L2_CID_EXPOSURE_METERING:
2256         case V4L2_CID_CONTRAST:
2257         case V4L2_CID_SATURATION:
2258         case V4L2_CID_SHARPNESS:
2259         case V4L2_CID_3A_LOCK:
2260         case V4L2_CID_COLORFX_CBCR:
2261         case V4L2_CID_TEST_PATTERN:
2262         case V4L2_CID_TEST_PATTERN_COLOR_R:
2263         case V4L2_CID_TEST_PATTERN_COLOR_GR:
2264         case V4L2_CID_TEST_PATTERN_COLOR_GB:
2265         case V4L2_CID_TEST_PATTERN_COLOR_B:
2266                 rt_mutex_unlock(&isp->mutex);
2267                 return v4l2_s_ctrl(NULL,
2268                                    isp->inputs[asd->input_curr].camera->
2269                                    ctrl_handler, control);
2270         case V4L2_CID_COLORFX:
2271                 ret = atomisp_color_effect(asd, 1, &control->value);
2272                 break;
2273         case V4L2_CID_ATOMISP_BAD_PIXEL_DETECTION:
2274                 ret = atomisp_bad_pixel(asd, 1, &control->value);
2275                 break;
2276         case V4L2_CID_ATOMISP_POSTPROCESS_GDC_CAC:
2277                 ret = atomisp_gdc_cac(asd, 1, &control->value);
2278                 break;
2279         case V4L2_CID_ATOMISP_VIDEO_STABLIZATION:
2280                 ret = atomisp_video_stable(asd, 1, &control->value);
2281                 break;
2282         case V4L2_CID_ATOMISP_FIXED_PATTERN_NR:
2283                 ret = atomisp_fixed_pattern(asd, 1, &control->value);
2284                 break;
2285         case V4L2_CID_ATOMISP_FALSE_COLOR_CORRECTION:
2286                 ret = atomisp_false_color(asd, 1, &control->value);
2287                 break;
2288         case V4L2_CID_REQUEST_FLASH:
2289                 ret = atomisp_flash_enable(asd, control->value);
2290                 break;
2291         case V4L2_CID_ATOMISP_LOW_LIGHT:
2292                 ret = atomisp_low_light(asd, 1, &control->value);
2293                 break;
2294         default:
2295                 ret = -EINVAL;
2296                 break;
2297         }
2298         rt_mutex_unlock(&isp->mutex);
2299         return ret;
2300 }
2301
2302 /*
2303  * To query the attributes of a control.
2304  * applications set the id field of a struct v4l2_queryctrl and call the
2305  * this ioctl with a pointer to this structure. The driver fills
2306  * the rest of the structure.
2307  */
2308 static int atomisp_queryctl(struct file *file, void *fh,
2309                             struct v4l2_queryctrl *qc)
2310 {
2311         int i, ret = -EINVAL;
2312         struct video_device *vdev = video_devdata(file);
2313         struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
2314         struct atomisp_device *isp = video_get_drvdata(vdev);
2315
2316         switch (qc->id) {
2317         case V4L2_CID_FOCUS_ABSOLUTE:
2318         case V4L2_CID_FOCUS_RELATIVE:
2319         case V4L2_CID_FOCUS_STATUS:
2320                 if (!IS_ISP2401) {
2321                         return v4l2_queryctrl(isp->inputs[asd->input_curr].camera->
2322                                             ctrl_handler, qc);
2323                 }
2324                 /* ISP2401 */
2325                 if (isp->motor)
2326                         return v4l2_queryctrl(isp->motor->ctrl_handler, qc);
2327                 else
2328                         return v4l2_queryctrl(isp->inputs[asd->input_curr].
2329                                               camera->ctrl_handler, qc);
2330         }
2331
2332         if (qc->id & V4L2_CTRL_FLAG_NEXT_CTRL)
2333                 return ret;
2334
2335         for (i = 0; i < ctrls_num; i++) {
2336                 if (ci_v4l2_controls[i].id == qc->id) {
2337                         memcpy(qc, &ci_v4l2_controls[i],
2338                                sizeof(struct v4l2_queryctrl));
2339                         qc->reserved[0] = 0;
2340                         ret = 0;
2341                         break;
2342                 }
2343         }
2344         if (ret != 0)
2345                 qc->flags = V4L2_CTRL_FLAG_DISABLED;
2346
2347         return ret;
2348 }
2349
2350 static int atomisp_camera_g_ext_ctrls(struct file *file, void *fh,
2351                                       struct v4l2_ext_controls *c)
2352 {
2353         struct video_device *vdev = video_devdata(file);
2354         struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
2355         struct atomisp_device *isp = video_get_drvdata(vdev);
2356         struct v4l2_subdev *motor;
2357         struct v4l2_control ctrl;
2358         int i;
2359         int ret = 0;
2360
2361         if (!IS_ISP2401)
2362                 motor = isp->inputs[asd->input_curr].motor;
2363         else
2364                 motor = isp->motor;
2365
2366         for (i = 0; i < c->count; i++) {
2367                 ctrl.id = c->controls[i].id;
2368                 ctrl.value = c->controls[i].value;
2369                 switch (ctrl.id) {
2370                 case V4L2_CID_EXPOSURE_ABSOLUTE:
2371                 case V4L2_CID_EXPOSURE_AUTO:
2372                 case V4L2_CID_IRIS_ABSOLUTE:
2373                 case V4L2_CID_FNUMBER_ABSOLUTE:
2374                 case V4L2_CID_BIN_FACTOR_HORZ:
2375                 case V4L2_CID_BIN_FACTOR_VERT:
2376                 case V4L2_CID_3A_LOCK:
2377                 case V4L2_CID_TEST_PATTERN:
2378                 case V4L2_CID_TEST_PATTERN_COLOR_R:
2379                 case V4L2_CID_TEST_PATTERN_COLOR_GR:
2380                 case V4L2_CID_TEST_PATTERN_COLOR_GB:
2381                 case V4L2_CID_TEST_PATTERN_COLOR_B:
2382                         /*
2383                          * Exposure related control will be handled by sensor
2384                          * driver
2385                          */
2386                         ret =
2387                             v4l2_g_ctrl(isp->inputs[asd->input_curr].camera->
2388                                         ctrl_handler, &ctrl);
2389                         break;
2390                 case V4L2_CID_FOCUS_ABSOLUTE:
2391                 case V4L2_CID_FOCUS_RELATIVE:
2392                 case V4L2_CID_FOCUS_STATUS:
2393                 case V4L2_CID_FOCUS_AUTO:
2394                         if (motor)
2395                                 ret = v4l2_g_ctrl(motor->ctrl_handler, &ctrl);
2396                         break;
2397                 case V4L2_CID_FLASH_STATUS:
2398                 case V4L2_CID_FLASH_INTENSITY:
2399                 case V4L2_CID_FLASH_TORCH_INTENSITY:
2400                 case V4L2_CID_FLASH_INDICATOR_INTENSITY:
2401                 case V4L2_CID_FLASH_TIMEOUT:
2402                 case V4L2_CID_FLASH_STROBE:
2403                 case V4L2_CID_FLASH_MODE:
2404                 case V4L2_CID_FLASH_STATUS_REGISTER:
2405                         if (isp->flash)
2406                                 ret =
2407                                     v4l2_g_ctrl(isp->flash->ctrl_handler,
2408                                                 &ctrl);
2409                         break;
2410                 case V4L2_CID_ZOOM_ABSOLUTE:
2411                         rt_mutex_lock(&isp->mutex);
2412                         ret = atomisp_digital_zoom(asd, 0, &ctrl.value);
2413                         rt_mutex_unlock(&isp->mutex);
2414                         break;
2415                 case V4L2_CID_G_SKIP_FRAMES:
2416                         ret = v4l2_subdev_call(
2417                                   isp->inputs[asd->input_curr].camera,
2418                                   sensor, g_skip_frames, (u32 *)&ctrl.value);
2419                         break;
2420                 default:
2421                         ret = -EINVAL;
2422                 }
2423
2424                 if (ret) {
2425                         c->error_idx = i;
2426                         break;
2427                 }
2428                 c->controls[i].value = ctrl.value;
2429         }
2430         return ret;
2431 }
2432
2433 /* This ioctl allows the application to get multiple controls by class */
2434 static int atomisp_g_ext_ctrls(struct file *file, void *fh,
2435                                struct v4l2_ext_controls *c)
2436 {
2437         struct v4l2_control ctrl;
2438         int i, ret = 0;
2439
2440         /* input_lock is not need for the Camera related IOCTLs
2441          * The input_lock downgrade the FPS of 3A*/
2442         ret = atomisp_camera_g_ext_ctrls(file, fh, c);
2443         if (ret != -EINVAL)
2444                 return ret;
2445
2446         for (i = 0; i < c->count; i++) {
2447                 ctrl.id = c->controls[i].id;
2448                 ctrl.value = c->controls[i].value;
2449                 ret = atomisp_g_ctrl(file, fh, &ctrl);
2450                 c->controls[i].value = ctrl.value;
2451                 if (ret) {
2452                         c->error_idx = i;
2453                         break;
2454                 }
2455         }
2456         return ret;
2457 }
2458
2459 static int atomisp_camera_s_ext_ctrls(struct file *file, void *fh,
2460                                       struct v4l2_ext_controls *c)
2461 {
2462         struct video_device *vdev = video_devdata(file);
2463         struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
2464         struct atomisp_device *isp = video_get_drvdata(vdev);
2465         struct v4l2_subdev *motor;
2466         struct v4l2_control ctrl;
2467         int i;
2468         int ret = 0;
2469
2470         if (!IS_ISP2401)
2471                 motor = isp->inputs[asd->input_curr].motor;
2472         else
2473                 motor = isp->motor;
2474
2475         for (i = 0; i < c->count; i++) {
2476                 struct v4l2_ctrl *ctr;
2477
2478                 ctrl.id = c->controls[i].id;
2479                 ctrl.value = c->controls[i].value;
2480                 switch (ctrl.id) {
2481                 case V4L2_CID_EXPOSURE_ABSOLUTE:
2482                 case V4L2_CID_EXPOSURE_AUTO:
2483                 case V4L2_CID_EXPOSURE_METERING:
2484                 case V4L2_CID_IRIS_ABSOLUTE:
2485                 case V4L2_CID_FNUMBER_ABSOLUTE:
2486                 case V4L2_CID_VCM_TIMING:
2487                 case V4L2_CID_VCM_SLEW:
2488                 case V4L2_CID_3A_LOCK:
2489                 case V4L2_CID_TEST_PATTERN:
2490                 case V4L2_CID_TEST_PATTERN_COLOR_R:
2491                 case V4L2_CID_TEST_PATTERN_COLOR_GR:
2492                 case V4L2_CID_TEST_PATTERN_COLOR_GB:
2493                 case V4L2_CID_TEST_PATTERN_COLOR_B:
2494                         ret = v4l2_s_ctrl(NULL,
2495                                           isp->inputs[asd->input_curr].camera->
2496                                           ctrl_handler, &ctrl);
2497                         break;
2498                 case V4L2_CID_FOCUS_ABSOLUTE:
2499                 case V4L2_CID_FOCUS_RELATIVE:
2500                 case V4L2_CID_FOCUS_STATUS:
2501                 case V4L2_CID_FOCUS_AUTO:
2502                         if (motor)
2503                                 ret = v4l2_s_ctrl(NULL, motor->ctrl_handler,
2504                                                   &ctrl);
2505                         else
2506                                 ret = v4l2_s_ctrl(NULL,
2507                                                   isp->inputs[asd->input_curr].
2508                                                   camera->ctrl_handler, &ctrl);
2509                         break;
2510                 case V4L2_CID_FLASH_STATUS:
2511                 case V4L2_CID_FLASH_INTENSITY:
2512                 case V4L2_CID_FLASH_TORCH_INTENSITY:
2513                 case V4L2_CID_FLASH_INDICATOR_INTENSITY:
2514                 case V4L2_CID_FLASH_TIMEOUT:
2515                 case V4L2_CID_FLASH_STROBE:
2516                 case V4L2_CID_FLASH_MODE:
2517                 case V4L2_CID_FLASH_STATUS_REGISTER:
2518                         rt_mutex_lock(&isp->mutex);
2519                         if (isp->flash) {
2520                                 ret =
2521                                     v4l2_s_ctrl(NULL, isp->flash->ctrl_handler,
2522                                                 &ctrl);
2523                                 /* When flash mode is changed we need to reset
2524                                  * flash state */
2525                                 if (ctrl.id == V4L2_CID_FLASH_MODE) {
2526                                         asd->params.flash_state =
2527                                             ATOMISP_FLASH_IDLE;
2528                                         asd->params.num_flash_frames = 0;
2529                                 }
2530                         }
2531                         rt_mutex_unlock(&isp->mutex);
2532                         break;
2533                 case V4L2_CID_ZOOM_ABSOLUTE:
2534                         rt_mutex_lock(&isp->mutex);
2535                         ret = atomisp_digital_zoom(asd, 1, &ctrl.value);
2536                         rt_mutex_unlock(&isp->mutex);
2537                         break;
2538                 default:
2539                         ctr = v4l2_ctrl_find(&asd->ctrl_handler, ctrl.id);
2540                         if (ctr)
2541                                 ret = v4l2_ctrl_s_ctrl(ctr, ctrl.value);
2542                         else
2543                                 ret = -EINVAL;
2544                 }
2545
2546                 if (ret) {
2547                         c->error_idx = i;
2548                         break;
2549                 }
2550                 c->controls[i].value = ctrl.value;
2551         }
2552         return ret;
2553 }
2554
2555 /* This ioctl allows the application to set multiple controls by class */
2556 static int atomisp_s_ext_ctrls(struct file *file, void *fh,
2557                                struct v4l2_ext_controls *c)
2558 {
2559         struct v4l2_control ctrl;
2560         int i, ret = 0;
2561
2562         /* input_lock is not need for the Camera related IOCTLs
2563          * The input_lock downgrade the FPS of 3A*/
2564         ret = atomisp_camera_s_ext_ctrls(file, fh, c);
2565         if (ret != -EINVAL)
2566                 return ret;
2567
2568         for (i = 0; i < c->count; i++) {
2569                 ctrl.id = c->controls[i].id;
2570                 ctrl.value = c->controls[i].value;
2571                 ret = atomisp_s_ctrl(file, fh, &ctrl);
2572                 c->controls[i].value = ctrl.value;
2573                 if (ret) {
2574                         c->error_idx = i;
2575                         break;
2576                 }
2577         }
2578         return ret;
2579 }
2580
2581 /*
2582  * vidioc_g/s_param are used to switch isp running mode
2583  */
2584 static int atomisp_g_parm(struct file *file, void *fh,
2585                           struct v4l2_streamparm *parm)
2586 {
2587         struct video_device *vdev = video_devdata(file);
2588         struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
2589         struct atomisp_device *isp = video_get_drvdata(vdev);
2590
2591         if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
2592                 dev_err(isp->dev, "unsupport v4l2 buf type\n");
2593                 return -EINVAL;
2594         }
2595
2596         rt_mutex_lock(&isp->mutex);
2597         parm->parm.capture.capturemode = asd->run_mode->val;
2598         rt_mutex_unlock(&isp->mutex);
2599
2600         return 0;
2601 }
2602
2603 static int atomisp_s_parm(struct file *file, void *fh,
2604                           struct v4l2_streamparm *parm)
2605 {
2606         struct video_device *vdev = video_devdata(file);
2607         struct atomisp_device *isp = video_get_drvdata(vdev);
2608         struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
2609         int mode;
2610         int rval;
2611         int fps;
2612
2613         if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
2614                 dev_err(isp->dev, "unsupport v4l2 buf type\n");
2615                 return -EINVAL;
2616         }
2617
2618         rt_mutex_lock(&isp->mutex);
2619
2620         asd->high_speed_mode = false;
2621         switch (parm->parm.capture.capturemode) {
2622         case CI_MODE_NONE: {
2623                 struct v4l2_subdev_frame_interval fi = {0};
2624
2625                 fi.interval = parm->parm.capture.timeperframe;
2626
2627                 rval = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
2628                                         video, s_frame_interval, &fi);
2629                 if (!rval)
2630                         parm->parm.capture.timeperframe = fi.interval;
2631
2632                 if (fi.interval.numerator != 0) {
2633                         fps = fi.interval.denominator / fi.interval.numerator;
2634                         if (fps > 30)
2635                                 asd->high_speed_mode = true;
2636                 }
2637
2638                 goto out;
2639         }
2640         case CI_MODE_VIDEO:
2641                 mode = ATOMISP_RUN_MODE_VIDEO;
2642                 break;
2643         case CI_MODE_STILL_CAPTURE:
2644                 mode = ATOMISP_RUN_MODE_STILL_CAPTURE;
2645                 break;
2646         case CI_MODE_CONTINUOUS:
2647                 mode = ATOMISP_RUN_MODE_CONTINUOUS_CAPTURE;
2648                 break;
2649         case CI_MODE_PREVIEW:
2650                 mode = ATOMISP_RUN_MODE_PREVIEW;
2651                 break;
2652         default:
2653                 rval = -EINVAL;
2654                 goto out;
2655         }
2656
2657         rval = v4l2_ctrl_s_ctrl(asd->run_mode, mode);
2658
2659 out:
2660         rt_mutex_unlock(&isp->mutex);
2661
2662         return rval == -ENOIOCTLCMD ? 0 : rval;
2663 }
2664
2665 static int atomisp_s_parm_file(struct file *file, void *fh,
2666                                struct v4l2_streamparm *parm)
2667 {
2668         struct video_device *vdev = video_devdata(file);
2669         struct atomisp_device *isp = video_get_drvdata(vdev);
2670
2671         if (parm->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) {
2672                 dev_err(isp->dev, "unsupport v4l2 buf type for output\n");
2673                 return -EINVAL;
2674         }
2675
2676         rt_mutex_lock(&isp->mutex);
2677         isp->sw_contex.file_input = true;
2678         rt_mutex_unlock(&isp->mutex);
2679
2680         return 0;
2681 }
2682
2683 static long atomisp_vidioc_default(struct file *file, void *fh,
2684                                    bool valid_prio, unsigned int cmd, void *arg)
2685 {
2686         struct video_device *vdev = video_devdata(file);
2687         struct atomisp_device *isp = video_get_drvdata(vdev);
2688         struct atomisp_sub_device *asd;
2689         struct v4l2_subdev *motor;
2690         bool acc_node;
2691         int err;
2692
2693         acc_node = !strcmp(vdev->name, "ATOMISP ISP ACC");
2694         if (acc_node)
2695                 asd = atomisp_to_acc_pipe(vdev)->asd;
2696         else
2697                 asd = atomisp_to_video_pipe(vdev)->asd;
2698
2699         if (!IS_ISP2401)
2700                 motor = isp->inputs[asd->input_curr].motor;
2701         else
2702                 motor = isp->motor;
2703
2704         switch (cmd) {
2705         case ATOMISP_IOC_G_MOTOR_PRIV_INT_DATA:
2706         case ATOMISP_IOC_S_EXPOSURE:
2707         case ATOMISP_IOC_G_SENSOR_CALIBRATION_GROUP:
2708         case ATOMISP_IOC_G_SENSOR_PRIV_INT_DATA:
2709         case ATOMISP_IOC_EXT_ISP_CTRL:
2710         case ATOMISP_IOC_G_SENSOR_AE_BRACKETING_INFO:
2711         case ATOMISP_IOC_S_SENSOR_AE_BRACKETING_MODE:
2712         case ATOMISP_IOC_G_SENSOR_AE_BRACKETING_MODE:
2713         case ATOMISP_IOC_S_SENSOR_AE_BRACKETING_LUT:
2714         case ATOMISP_IOC_S_SENSOR_EE_CONFIG:
2715         case ATOMISP_IOC_G_UPDATE_EXPOSURE:
2716                 /* we do not need take isp->mutex for these IOCTLs */
2717                 break;
2718         default:
2719                 rt_mutex_lock(&isp->mutex);
2720                 break;
2721         }
2722         switch (cmd) {
2723         case ATOMISP_IOC_S_SENSOR_RUNMODE:
2724                 if (IS_ISP2401)
2725                         err = atomisp_set_sensor_runmode(asd, arg);
2726                 else
2727                         err = -EINVAL;
2728                 break;
2729
2730         case ATOMISP_IOC_G_XNR:
2731                 err = atomisp_xnr(asd, 0, arg);
2732                 break;
2733
2734         case ATOMISP_IOC_S_XNR:
2735                 err = atomisp_xnr(asd, 1, arg);
2736                 break;
2737
2738         case ATOMISP_IOC_G_NR:
2739                 err = atomisp_nr(asd, 0, arg);
2740                 break;
2741
2742         case ATOMISP_IOC_S_NR:
2743                 err = atomisp_nr(asd, 1, arg);
2744                 break;
2745
2746         case ATOMISP_IOC_G_TNR:
2747                 err = atomisp_tnr(asd, 0, arg);
2748                 break;
2749
2750         case ATOMISP_IOC_S_TNR:
2751                 err = atomisp_tnr(asd, 1, arg);
2752                 break;
2753
2754         case ATOMISP_IOC_G_BLACK_LEVEL_COMP:
2755                 err = atomisp_black_level(asd, 0, arg);
2756                 break;
2757
2758         case ATOMISP_IOC_S_BLACK_LEVEL_COMP:
2759                 err = atomisp_black_level(asd, 1, arg);
2760                 break;
2761
2762         case ATOMISP_IOC_G_EE:
2763                 err = atomisp_ee(asd, 0, arg);
2764                 break;
2765
2766         case ATOMISP_IOC_S_EE:
2767                 err = atomisp_ee(asd, 1, arg);
2768                 break;
2769
2770         case ATOMISP_IOC_G_DIS_STAT:
2771                 err = atomisp_get_dis_stat(asd, arg);
2772                 break;
2773
2774         case ATOMISP_IOC_G_DVS2_BQ_RESOLUTIONS:
2775                 err = atomisp_get_dvs2_bq_resolutions(asd, arg);
2776                 break;
2777
2778         case ATOMISP_IOC_S_DIS_COEFS:
2779                 err = atomisp_css_cp_dvs2_coefs(asd, arg,
2780                                                 &asd->params.css_param, true);
2781                 if (!err && arg)
2782                         asd->params.css_update_params_needed = true;
2783                 break;
2784
2785         case ATOMISP_IOC_S_DIS_VECTOR:
2786                 err = atomisp_cp_dvs_6axis_config(asd, arg,
2787                                                   &asd->params.css_param, true);
2788                 if (!err && arg)
2789                         asd->params.css_update_params_needed = true;
2790                 break;
2791
2792         case ATOMISP_IOC_G_ISP_PARM:
2793                 err = atomisp_param(asd, 0, arg);
2794                 break;
2795
2796         case ATOMISP_IOC_S_ISP_PARM:
2797                 err = atomisp_param(asd, 1, arg);
2798                 break;
2799
2800         case ATOMISP_IOC_G_3A_STAT:
2801                 err = atomisp_3a_stat(asd, 0, arg);
2802                 break;
2803
2804         case ATOMISP_IOC_G_ISP_GAMMA:
2805                 err = atomisp_gamma(asd, 0, arg);
2806                 break;
2807
2808         case ATOMISP_IOC_S_ISP_GAMMA:
2809                 err = atomisp_gamma(asd, 1, arg);
2810                 break;
2811
2812         case ATOMISP_IOC_G_ISP_GDC_TAB:
2813                 err = atomisp_gdc_cac_table(asd, 0, arg);
2814                 break;
2815
2816         case ATOMISP_IOC_S_ISP_GDC_TAB:
2817                 err = atomisp_gdc_cac_table(asd, 1, arg);
2818                 break;
2819
2820         case ATOMISP_IOC_G_ISP_MACC:
2821                 err = atomisp_macc_table(asd, 0, arg);
2822                 break;
2823
2824         case ATOMISP_IOC_S_ISP_MACC:
2825                 err = atomisp_macc_table(asd, 1, arg);
2826                 break;
2827
2828         case ATOMISP_IOC_G_ISP_BAD_PIXEL_DETECTION:
2829                 err = atomisp_bad_pixel_param(asd, 0, arg);
2830                 break;
2831
2832         case ATOMISP_IOC_S_ISP_BAD_PIXEL_DETECTION:
2833                 err = atomisp_bad_pixel_param(asd, 1, arg);
2834                 break;
2835
2836         case ATOMISP_IOC_G_ISP_FALSE_COLOR_CORRECTION:
2837                 err = atomisp_false_color_param(asd, 0, arg);
2838                 break;
2839
2840         case ATOMISP_IOC_S_ISP_FALSE_COLOR_CORRECTION:
2841                 err = atomisp_false_color_param(asd, 1, arg);
2842                 break;
2843
2844         case ATOMISP_IOC_G_ISP_CTC:
2845                 err = atomisp_ctc(asd, 0, arg);
2846                 break;
2847
2848         case ATOMISP_IOC_S_ISP_CTC:
2849                 err = atomisp_ctc(asd, 1, arg);
2850                 break;
2851
2852         case ATOMISP_IOC_G_ISP_WHITE_BALANCE:
2853                 err = atomisp_white_balance_param(asd, 0, arg);
2854                 break;
2855
2856         case ATOMISP_IOC_S_ISP_WHITE_BALANCE:
2857                 err = atomisp_white_balance_param(asd, 1, arg);
2858                 break;
2859
2860         case ATOMISP_IOC_G_3A_CONFIG:
2861                 err = atomisp_3a_config_param(asd, 0, arg);
2862                 break;
2863
2864         case ATOMISP_IOC_S_3A_CONFIG:
2865                 err = atomisp_3a_config_param(asd, 1, arg);
2866                 break;
2867
2868         case ATOMISP_IOC_S_ISP_FPN_TABLE:
2869                 err = atomisp_fixed_pattern_table(asd, arg);
2870                 break;
2871
2872         case ATOMISP_IOC_ISP_MAKERNOTE:
2873                 err = atomisp_exif_makernote(asd, arg);
2874                 break;
2875
2876         case ATOMISP_IOC_G_SENSOR_MODE_DATA:
2877                 err = atomisp_get_sensor_mode_data(asd, arg);
2878                 break;
2879
2880         case ATOMISP_IOC_G_MOTOR_PRIV_INT_DATA:
2881                 if (motor)
2882                         err = v4l2_subdev_call(motor, core, ioctl, cmd, arg);
2883                 else
2884                         err = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
2885                                                core, ioctl, cmd, arg);
2886                 break;
2887
2888         case ATOMISP_IOC_S_EXPOSURE:
2889         case ATOMISP_IOC_G_SENSOR_CALIBRATION_GROUP:
2890         case ATOMISP_IOC_G_SENSOR_PRIV_INT_DATA:
2891         case ATOMISP_IOC_G_SENSOR_AE_BRACKETING_INFO:
2892         case ATOMISP_IOC_S_SENSOR_AE_BRACKETING_MODE:
2893         case ATOMISP_IOC_G_SENSOR_AE_BRACKETING_MODE:
2894         case ATOMISP_IOC_S_SENSOR_AE_BRACKETING_LUT:
2895                 err = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
2896                                        core, ioctl, cmd, arg);
2897                 break;
2898         case ATOMISP_IOC_G_UPDATE_EXPOSURE:
2899                 if (IS_ISP2401)
2900                         err = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
2901                                                core, ioctl, cmd, arg);
2902                 else
2903                         err = -EINVAL;
2904                 break;
2905
2906         case ATOMISP_IOC_ACC_LOAD:
2907                 err = atomisp_acc_load(asd, arg);
2908                 break;
2909
2910         case ATOMISP_IOC_ACC_LOAD_TO_PIPE:
2911                 err = atomisp_acc_load_to_pipe(asd, arg);
2912                 break;
2913
2914         case ATOMISP_IOC_ACC_UNLOAD:
2915                 err = atomisp_acc_unload(asd, arg);
2916                 break;
2917
2918         case ATOMISP_IOC_ACC_START:
2919                 err = atomisp_acc_start(asd, arg);
2920                 break;
2921
2922         case ATOMISP_IOC_ACC_WAIT:
2923                 err = atomisp_acc_wait(asd, arg);
2924                 break;
2925
2926         case ATOMISP_IOC_ACC_MAP:
2927                 err = atomisp_acc_map(asd, arg);
2928                 break;
2929
2930         case ATOMISP_IOC_ACC_UNMAP:
2931                 err = atomisp_acc_unmap(asd, arg);
2932                 break;
2933
2934         case ATOMISP_IOC_ACC_S_MAPPED_ARG:
2935                 err = atomisp_acc_s_mapped_arg(asd, arg);
2936                 break;
2937
2938         case ATOMISP_IOC_S_ISP_SHD_TAB:
2939                 err = atomisp_set_shading_table(asd, arg);
2940                 break;
2941
2942         case ATOMISP_IOC_G_ISP_GAMMA_CORRECTION:
2943                 err = atomisp_gamma_correction(asd, 0, arg);
2944                 break;
2945
2946         case ATOMISP_IOC_S_ISP_GAMMA_CORRECTION:
2947                 err = atomisp_gamma_correction(asd, 1, arg);
2948                 break;
2949
2950         case ATOMISP_IOC_S_PARAMETERS:
2951                 err = atomisp_set_parameters(vdev, arg);
2952                 break;
2953
2954         case ATOMISP_IOC_S_CONT_CAPTURE_CONFIG:
2955                 err = atomisp_offline_capture_configure(asd, arg);
2956                 break;
2957         case ATOMISP_IOC_G_METADATA:
2958                 err = atomisp_get_metadata(asd, 0, arg);
2959                 break;
2960         case ATOMISP_IOC_G_METADATA_BY_TYPE:
2961                 err = atomisp_get_metadata_by_type(asd, 0, arg);
2962                 break;
2963         case ATOMISP_IOC_EXT_ISP_CTRL:
2964                 err = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
2965                                        core, ioctl, cmd, arg);
2966                 break;
2967         case ATOMISP_IOC_EXP_ID_UNLOCK:
2968                 err = atomisp_exp_id_unlock(asd, arg);
2969                 break;
2970         case ATOMISP_IOC_EXP_ID_CAPTURE:
2971                 err = atomisp_exp_id_capture(asd, arg);
2972                 break;
2973         case ATOMISP_IOC_S_ENABLE_DZ_CAPT_PIPE:
2974                 err = atomisp_enable_dz_capt_pipe(asd, arg);
2975                 break;
2976         case ATOMISP_IOC_G_FORMATS_CONFIG:
2977                 err = atomisp_formats(asd, 0, arg);
2978                 break;
2979
2980         case ATOMISP_IOC_S_FORMATS_CONFIG:
2981                 err = atomisp_formats(asd, 1, arg);
2982                 break;
2983         case ATOMISP_IOC_S_EXPOSURE_WINDOW:
2984                 err = atomisp_s_ae_window(asd, arg);
2985                 break;
2986         case ATOMISP_IOC_S_ACC_STATE:
2987                 err = atomisp_acc_set_state(asd, arg);
2988                 break;
2989         case ATOMISP_IOC_G_ACC_STATE:
2990                 err = atomisp_acc_get_state(asd, arg);
2991                 break;
2992         case ATOMISP_IOC_INJECT_A_FAKE_EVENT:
2993                 err = atomisp_inject_a_fake_event(asd, arg);
2994                 break;
2995         case ATOMISP_IOC_G_INVALID_FRAME_NUM:
2996                 err = atomisp_get_invalid_frame_num(vdev, arg);
2997                 break;
2998         case ATOMISP_IOC_S_ARRAY_RESOLUTION:
2999                 err = atomisp_set_array_res(asd, arg);
3000                 break;
3001         default:
3002                 err = -EINVAL;
3003                 break;
3004         }
3005
3006         switch (cmd) {
3007         case ATOMISP_IOC_G_MOTOR_PRIV_INT_DATA:
3008         case ATOMISP_IOC_S_EXPOSURE:
3009         case ATOMISP_IOC_G_SENSOR_CALIBRATION_GROUP:
3010         case ATOMISP_IOC_G_SENSOR_PRIV_INT_DATA:
3011         case ATOMISP_IOC_EXT_ISP_CTRL:
3012         case ATOMISP_IOC_G_SENSOR_AE_BRACKETING_INFO:
3013         case ATOMISP_IOC_S_SENSOR_AE_BRACKETING_MODE:
3014         case ATOMISP_IOC_G_SENSOR_AE_BRACKETING_MODE:
3015         case ATOMISP_IOC_S_SENSOR_AE_BRACKETING_LUT:
3016         case ATOMISP_IOC_G_UPDATE_EXPOSURE:
3017                 break;
3018         default:
3019                 rt_mutex_unlock(&isp->mutex);
3020                 break;
3021         }
3022         return err;
3023 }
3024
3025 const struct v4l2_ioctl_ops atomisp_ioctl_ops = {
3026         .vidioc_querycap = atomisp_querycap,
3027         .vidioc_enum_input = atomisp_enum_input,
3028         .vidioc_g_input = atomisp_g_input,
3029         .vidioc_s_input = atomisp_s_input,
3030         .vidioc_queryctrl = atomisp_queryctl,
3031         .vidioc_s_ctrl = atomisp_s_ctrl,
3032         .vidioc_g_ctrl = atomisp_g_ctrl,
3033         .vidioc_s_ext_ctrls = atomisp_s_ext_ctrls,
3034         .vidioc_g_ext_ctrls = atomisp_g_ext_ctrls,
3035         .vidioc_enum_fmt_vid_cap = atomisp_enum_fmt_cap,
3036         .vidioc_try_fmt_vid_cap = atomisp_try_fmt_cap,
3037         .vidioc_g_fmt_vid_cap = atomisp_g_fmt_cap,
3038         .vidioc_s_fmt_vid_cap = atomisp_s_fmt_cap,
3039         .vidioc_reqbufs = atomisp_reqbufs,
3040         .vidioc_querybuf = atomisp_querybuf,
3041         .vidioc_qbuf = atomisp_qbuf,
3042         .vidioc_dqbuf = atomisp_dqbuf,
3043         .vidioc_streamon = atomisp_streamon,
3044         .vidioc_streamoff = atomisp_streamoff,
3045         .vidioc_default = atomisp_vidioc_default,
3046         .vidioc_s_parm = atomisp_s_parm,
3047         .vidioc_g_parm = atomisp_g_parm,
3048 };
3049
3050 const struct v4l2_ioctl_ops atomisp_file_ioctl_ops = {
3051         .vidioc_querycap = atomisp_querycap,
3052         .vidioc_g_fmt_vid_out = atomisp_g_fmt_file,
3053         .vidioc_s_fmt_vid_out = atomisp_s_fmt_file,
3054         .vidioc_s_parm = atomisp_s_parm_file,
3055         .vidioc_reqbufs = atomisp_reqbufs_file,
3056         .vidioc_querybuf = atomisp_querybuf_file,
3057         .vidioc_qbuf = atomisp_qbuf_file,
3058 };