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", dev_name(isp->dev));
 553
 554         return 0;
 555 }
 556
 557 /*
 558  * enum input are used to check primary/secondary camera
 559  */
 560 static int atomisp_enum_input(struct file *file, void *fh,
 561                               struct v4l2_input *input)
 562 {
 563         struct video_device *vdev = video_devdata(file);
 564         struct atomisp_device *isp = video_get_drvdata(vdev);
 565         int index = input->index;
 566         struct v4l2_subdev *motor;
 567
 568         if (index >= isp->input_cnt)
 569                 return -EINVAL;
 570
 571         if (!isp->inputs[index].camera)
 572                 return -EINVAL;
 573
 574         memset(input, 0, sizeof(struct v4l2_input));
 575         strscpy(input->name, isp->inputs[index].camera->name,
 576                 sizeof(input->name));
 577
 578         /*
 579          * HACK: append actuator's name to sensor's
 580          * As currently userspace can't talk directly to subdev nodes, this
 581          * ioctl is the only way to enum inputs + possible external actuators
 582          * for 3A tuning purpose.
 583          */
 584         if (!IS_ISP2401)
 585                 motor = isp->inputs[index].motor;
 586         else
 587                 motor = isp->motor;
 588
 589         if (motor && strlen(motor->name) > 0) {
 590                 const int cur_len = strlen(input->name);
 591                 const int max_size = sizeof(input->name) - cur_len - 1;
 592
 593                 if (max_size > 1) {
 594                         input->name[cur_len] = '+';
 595                         strscpy(&input->name[cur_len + 1],
 596                                 motor->name, max_size);
 597                 }
 598         }
 599
 600         input->type = V4L2_INPUT_TYPE_CAMERA;
 601         input->index = index;
 602         input->reserved[0] = isp->inputs[index].type;
 603         input->reserved[1] = isp->inputs[index].port;
 604
 605         return 0;
 606 }
 607
 608 static unsigned int atomisp_subdev_streaming_count(
 609     struct atomisp_sub_device *asd)
 610 {
 611         return asd->video_out_preview.capq.streaming
 612                + asd->video_out_capture.capq.streaming
 613                + asd->video_out_video_capture.capq.streaming
 614                + asd->video_out_vf.capq.streaming
 615                + asd->video_in.capq.streaming;
 616 }
 617
 618 unsigned int atomisp_streaming_count(struct atomisp_device *isp)
 619 {
 620         unsigned int i, sum;
 621
 622         for (i = 0, sum = 0; i < isp->num_of_streams; i++)
 623                 sum += isp->asd[i].streaming ==
 624                        ATOMISP_DEVICE_STREAMING_ENABLED;
 625
 626         return sum;
 627 }
 628
 629 unsigned int atomisp_is_acc_enabled(struct atomisp_device *isp)
 630 {
 631         unsigned int i;
 632
 633         for (i = 0; i < isp->num_of_streams; i++)
 634                 if (isp->asd[i].acc.pipeline)
 635                         return 1;
 636
 637         return 0;
 638 }
 639
 640 /*
 641  * get input are used to get current primary/secondary camera
 642  */
 643 static int atomisp_g_input(struct file *file, void *fh, unsigned int *input)
 644 {
 645         struct video_device *vdev = video_devdata(file);
 646         struct atomisp_device *isp = video_get_drvdata(vdev);
 647         struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
 648
 649         rt_mutex_lock(&isp->mutex);
 650         *input = asd->input_curr;
 651         rt_mutex_unlock(&isp->mutex);
 652
 653         return 0;
 654 }
 655
 656 /*
 657  * set input are used to set current primary/secondary camera
 658  */
 659 static int atomisp_s_input(struct file *file, void *fh, unsigned int input)
 660 {
 661         struct video_device *vdev = video_devdata(file);
 662         struct atomisp_device *isp = video_get_drvdata(vdev);
 663         struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
 664         struct v4l2_subdev *camera = NULL;
 665         struct v4l2_subdev *motor;
 666         int ret;
 667
 668         rt_mutex_lock(&isp->mutex);
 669         if (input >= ATOM_ISP_MAX_INPUTS || input >= isp->input_cnt) {
 670                 dev_dbg(isp->dev, "input_cnt: %d\n", isp->input_cnt);
 671                 ret = -EINVAL;
 672                 goto error;
 673         }
 674
 675         /*
 676          * check whether the request camera:
 677          * 1: already in use
 678          * 2: if in use, whether it is used by other streams
 679          */
 680         if (isp->inputs[input].asd && isp->inputs[input].asd != asd) {
 681                 dev_err(isp->dev,
 682                         "%s, camera is already used by stream: %d\n", __func__,
 683                         isp->inputs[input].asd->index);
 684                 ret = -EBUSY;
 685                 goto error;
 686         }
 687
 688         camera = isp->inputs[input].camera;
 689         if (!camera) {
 690                 dev_err(isp->dev, "%s, no camera\n", __func__);
 691                 ret = -EINVAL;
 692                 goto error;
 693         }
 694
 695         if (atomisp_subdev_streaming_count(asd)) {
 696                 dev_err(isp->dev,
 697                         "ISP is still streaming, stop first\n");
 698                 ret = -EINVAL;
 699                 goto error;
 700         }
 701
 702         /* power off the current owned sensor, as it is not used this time */
 703         if (isp->inputs[asd->input_curr].asd == asd &&
 704             asd->input_curr != input) {
 705                 ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
 706                                        core, s_power, 0);
 707                 if (ret)
 708                         dev_warn(isp->dev,
 709                                  "Failed to power-off sensor\n");
 710                 /* clear the asd field to show this camera is not used */
 711                 isp->inputs[asd->input_curr].asd = NULL;
 712         }
 713
 714         /* powe on the new sensor */
 715         ret = v4l2_subdev_call(isp->inputs[input].camera, core, s_power, 1);
 716         if (ret) {
 717                 dev_err(isp->dev, "Failed to power-on sensor\n");
 718                 goto error;
 719         }
 720         /*
 721          * Some sensor driver resets the run mode during power-on, thus force
 722          * update the run mode to sensor after power-on.
 723          */
 724         atomisp_update_run_mode(asd);
 725
 726         /* select operating sensor */
 727         ret = v4l2_subdev_call(isp->inputs[input].camera, video, s_routing,
 728                                0, isp->inputs[input].sensor_index, 0);
 729         if (ret && (ret != -ENOIOCTLCMD)) {
 730                 dev_err(isp->dev, "Failed to select sensor\n");
 731                 goto error;
 732         }
 733
 734         if (!IS_ISP2401) {
 735                 motor = isp->inputs[input].motor;
 736         } else {
 737                 motor = isp->motor;
 738                 if (motor)
 739                         ret = v4l2_subdev_call(motor, core, s_power, 1);
 740         }
 741
 742         if (!isp->sw_contex.file_input && motor)
 743                 ret = v4l2_subdev_call(motor, core, init, 1);
 744
 745         asd->input_curr = input;
 746         /* mark this camera is used by the current stream */
 747         isp->inputs[input].asd = asd;
 748         rt_mutex_unlock(&isp->mutex);
 749
 750         return 0;
 751
 752 error:
 753         rt_mutex_unlock(&isp->mutex);
 754
 755         return ret;
 756 }
 757
 758 static int atomisp_enum_fmt_cap(struct file *file, void *fh,
 759                                 struct v4l2_fmtdesc *f)
 760 {
 761         struct video_device *vdev = video_devdata(file);
 762         struct atomisp_device *isp = video_get_drvdata(vdev);
 763         struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
 764         struct v4l2_subdev_mbus_code_enum code = { 0 };
 765         unsigned int i, fi = 0;
 766         int rval;
 767
 768         rt_mutex_lock(&isp->mutex);
 769         rval = v4l2_subdev_call(isp->inputs[asd->input_curr].camera, pad,
 770                                 enum_mbus_code, NULL, &code);
 771         if (rval == -ENOIOCTLCMD) {
 772                 dev_warn(isp->dev,
 773                          "enum_mbus_code pad op not supported. Please fix your sensor driver!\n");
 774                 //      rval = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
 775                 //                              video, enum_mbus_fmt, 0, &code.code);
 776         }
 777         rt_mutex_unlock(&isp->mutex);
 778
 779         if (rval)
 780                 return rval;
 781
 782         for (i = 0; i < ARRAY_SIZE(atomisp_output_fmts); i++) {
 783                 const struct atomisp_format_bridge *format =
 784                             &atomisp_output_fmts[i];
 785
 786                 /*
 787                  * Is the atomisp-supported format is valid for the
 788                  * sensor (configuration)? If not, skip it.
 789                  */
 790                 if (format->sh_fmt == IA_CSS_FRAME_FORMAT_RAW
 791                     && format->mbus_code != code.code)
 792                         continue;
 793
 794                 /* Found a match. Now let's pick f->index'th one. */
 795                 if (fi < f->index) {
 796                         fi++;
 797                         continue;
 798                 }
 799
 800                 strlcpy(f->description, format->description,
 801                         sizeof(f->description));
 802                 f->pixelformat = format->pixelformat;
 803                 return 0;
 804         }
 805
 806         return -EINVAL;
 807 }
 808
 809 static int atomisp_g_fmt_cap(struct file *file, void *fh,
 810                              struct v4l2_format *f)
 811 {
 812         struct video_device *vdev = video_devdata(file);
 813         struct atomisp_device *isp = video_get_drvdata(vdev);
 814
 815         int ret;
 816
 817         rt_mutex_lock(&isp->mutex);
 818         ret = atomisp_get_fmt(vdev, f);
 819         rt_mutex_unlock(&isp->mutex);
 820         return ret;
 821 }
 822
 823 static int atomisp_g_fmt_file(struct file *file, void *fh,
 824                               struct v4l2_format *f)
 825 {
 826         struct video_device *vdev = video_devdata(file);
 827         struct atomisp_device *isp = video_get_drvdata(vdev);
 828         struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
 829
 830         rt_mutex_lock(&isp->mutex);
 831         f->fmt.pix = pipe->pix;
 832         rt_mutex_unlock(&isp->mutex);
 833
 834         return 0;
 835 }
 836
 837 /* This function looks up the closest available resolution. */
 838 static int atomisp_try_fmt_cap(struct file *file, void *fh,
 839                                struct v4l2_format *f)
 840 {
 841         struct video_device *vdev = video_devdata(file);
 842         struct atomisp_device *isp = video_get_drvdata(vdev);
 843         int ret;
 844
 845         rt_mutex_lock(&isp->mutex);
 846         ret = atomisp_try_fmt(vdev, f, NULL);
 847         rt_mutex_unlock(&isp->mutex);
 848         return ret;
 849 }
 850
 851 static int atomisp_s_fmt_cap(struct file *file, void *fh,
 852                              struct v4l2_format *f)
 853 {
 854         struct video_device *vdev = video_devdata(file);
 855         struct atomisp_device *isp = video_get_drvdata(vdev);
 856         int ret;
 857
 858         rt_mutex_lock(&isp->mutex);
 859         if (isp->isp_fatal_error) {
 860                 ret = -EIO;
 861                 rt_mutex_unlock(&isp->mutex);
 862                 return ret;
 863         }
 864         ret = atomisp_set_fmt(vdev, f);
 865         rt_mutex_unlock(&isp->mutex);
 866         return ret;
 867 }
 868
 869 static int atomisp_s_fmt_file(struct file *file, void *fh,
 870                               struct v4l2_format *f)
 871 {
 872         struct video_device *vdev = video_devdata(file);
 873         struct atomisp_device *isp = video_get_drvdata(vdev);
 874         int ret;
 875
 876         rt_mutex_lock(&isp->mutex);
 877         ret = atomisp_set_fmt_file(vdev, f);
 878         rt_mutex_unlock(&isp->mutex);
 879         return ret;
 880 }
 881
 882 /*
 883  * Free videobuffer buffer priv data
 884  */
 885 void atomisp_videobuf_free_buf(struct videobuf_buffer *vb)
 886 {
 887         struct videobuf_vmalloc_memory *vm_mem;
 888
 889         if (!vb)
 890                 return;
 891
 892         vm_mem = vb->priv;
 893         if (vm_mem && vm_mem->vaddr) {
 894                 ia_css_frame_free(vm_mem->vaddr);
 895                 vm_mem->vaddr = NULL;
 896         }
 897 }
 898
 899 /*
 900  * this function is used to free video buffer queue
 901  */
 902 static void atomisp_videobuf_free_queue(struct videobuf_queue *q)
 903 {
 904         int i;
 905
 906         for (i = 0; i < VIDEO_MAX_FRAME; i++) {
 907                 atomisp_videobuf_free_buf(q->bufs[i]);
 908                 kfree(q->bufs[i]);
 909                 q->bufs[i] = NULL;
 910         }
 911 }
 912
 913 int atomisp_alloc_css_stat_bufs(struct atomisp_sub_device *asd,
 914                                 uint16_t stream_id)
 915 {
 916         struct atomisp_device *isp = asd->isp;
 917         struct atomisp_s3a_buf *s3a_buf = NULL, *_s3a_buf;
 918         struct atomisp_dis_buf *dis_buf = NULL, *_dis_buf;
 919         struct atomisp_metadata_buf *md_buf = NULL, *_md_buf;
 920         int count;
 921         struct ia_css_dvs_grid_info *dvs_grid_info =
 922             atomisp_css_get_dvs_grid_info(&asd->params.curr_grid_info);
 923         unsigned int i;
 924
 925         if (list_empty(&asd->s3a_stats) &&
 926             asd->params.curr_grid_info.s3a_grid.enable) {
 927                 count = ATOMISP_CSS_Q_DEPTH +
 928                         ATOMISP_S3A_BUF_QUEUE_DEPTH_FOR_HAL;
 929                 dev_dbg(isp->dev, "allocating %d 3a buffers\n", count);
 930                 while (count--) {
 931                         s3a_buf = kzalloc(sizeof(struct atomisp_s3a_buf), GFP_KERNEL);
 932                         if (!s3a_buf)
 933                                 goto error;
 934
 935                         if (atomisp_css_allocate_stat_buffers(
 936                                 asd, stream_id, s3a_buf, NULL, NULL)) {
 937                                 kfree(s3a_buf);
 938                                 goto error;
 939                         }
 940
 941                         list_add_tail(&s3a_buf->list, &asd->s3a_stats);
 942                 }
 943         }
 944
 945         if (list_empty(&asd->dis_stats) && dvs_grid_info &&
 946             dvs_grid_info->enable) {
 947                 count = ATOMISP_CSS_Q_DEPTH + 1;
 948                 dev_dbg(isp->dev, "allocating %d dis buffers\n", count);
 949                 while (count--) {
 950                         dis_buf = kzalloc(sizeof(struct atomisp_dis_buf), GFP_KERNEL);
 951                         if (!dis_buf) {
 952                                 kfree(s3a_buf);
 953                                 goto error;
 954                         }
 955                         if (atomisp_css_allocate_stat_buffers(
 956                                 asd, stream_id, NULL, dis_buf, NULL)) {
 957                                 kfree(dis_buf);
 958                                 goto error;
 959                         }
 960
 961                         list_add_tail(&dis_buf->list, &asd->dis_stats);
 962                 }
 963         }
 964
 965         for (i = 0; i < ATOMISP_METADATA_TYPE_NUM; i++) {
 966                 if (list_empty(&asd->metadata[i]) &&
 967                     list_empty(&asd->metadata_ready[i]) &&
 968                     list_empty(&asd->metadata_in_css[i])) {
 969                         count = ATOMISP_CSS_Q_DEPTH +
 970                                 ATOMISP_METADATA_QUEUE_DEPTH_FOR_HAL;
 971                         dev_dbg(isp->dev, "allocating %d metadata buffers for type %d\n",
 972                                 count, i);
 973                         while (count--) {
 974                                 md_buf = kzalloc(sizeof(struct atomisp_metadata_buf),
 975                                                  GFP_KERNEL);
 976                                 if (!md_buf)
 977                                         goto error;
 978
 979                                 if (atomisp_css_allocate_stat_buffers(
 980                                         asd, stream_id, NULL, NULL, md_buf)) {
 981                                         kfree(md_buf);
 982                                         goto error;
 983                                 }
 984                                 list_add_tail(&md_buf->list, &asd->metadata[i]);
 985                         }
 986                 }
 987         }
 988         return 0;
 989
 990 error:
 991         dev_err(isp->dev, "failed to allocate statistics buffers\n");
 992
 993         list_for_each_entry_safe(dis_buf, _dis_buf, &asd->dis_stats, list) {
 994                 atomisp_css_free_dis_buffer(dis_buf);
 995                 list_del(&dis_buf->list);
 996                 kfree(dis_buf);
 997         }
 998
 999         list_for_each_entry_safe(s3a_buf, _s3a_buf, &asd->s3a_stats, list) {
1000                 atomisp_css_free_3a_buffer(s3a_buf);
1001                 list_del(&s3a_buf->list);
1002                 kfree(s3a_buf);
1003         }
1004
1005         for (i = 0; i < ATOMISP_METADATA_TYPE_NUM; i++) {
1006                 list_for_each_entry_safe(md_buf, _md_buf, &asd->metadata[i],
1007                                          list) {
1008                         atomisp_css_free_metadata_buffer(md_buf);
1009                         list_del(&md_buf->list);
1010                         kfree(md_buf);
1011                 }
1012         }
1013         return -ENOMEM;
1014 }
1015
1016 /*
1017  * Initiate Memory Mapping or User Pointer I/O
1018  */
1019 int __atomisp_reqbufs(struct file *file, void *fh,
1020                       struct v4l2_requestbuffers *req)
1021 {
1022         struct video_device *vdev = video_devdata(file);
1023         struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
1024         struct atomisp_sub_device *asd = pipe->asd;
1025         struct ia_css_frame_info frame_info;
1026         struct ia_css_frame *frame;
1027         struct videobuf_vmalloc_memory *vm_mem;
1028         u16 source_pad = atomisp_subdev_source_pad(vdev);
1029         u16 stream_id = atomisp_source_pad_to_stream_id(asd, source_pad);
1030         int ret = 0, i = 0;
1031
1032         if (req->count == 0) {
1033                 mutex_lock(&pipe->capq.vb_lock);
1034                 if (!list_empty(&pipe->capq.stream))
1035                         videobuf_queue_cancel(&pipe->capq);
1036
1037                 atomisp_videobuf_free_queue(&pipe->capq);
1038                 mutex_unlock(&pipe->capq.vb_lock);
1039                 /* clear request config id */
1040                 memset(pipe->frame_request_config_id, 0,
1041                        VIDEO_MAX_FRAME * sizeof(unsigned int));
1042                 memset(pipe->frame_params, 0,
1043                        VIDEO_MAX_FRAME *
1044                        sizeof(struct atomisp_css_params_with_list *));
1045                 return 0;
1046         }
1047
1048         ret = videobuf_reqbufs(&pipe->capq, req);
1049         if (ret)
1050                 return ret;
1051
1052         atomisp_alloc_css_stat_bufs(asd, stream_id);
1053
1054         /*
1055          * for user pointer type, buffers are not really allocated here,
1056          * buffers are setup in QBUF operation through v4l2_buffer structure
1057          */
1058         if (req->memory == V4L2_MEMORY_USERPTR)
1059                 return 0;
1060
1061         ret = atomisp_get_css_frame_info(asd, source_pad, &frame_info);
1062         if (ret)
1063                 return ret;
1064
1065         /*
1066          * Allocate the real frame here for selected node using our
1067          * memory management function
1068          */
1069         for (i = 0; i < req->count; i++) {
1070                 if (ia_css_frame_allocate_from_info(&frame, &frame_info))
1071                         goto error;
1072                 vm_mem = pipe->capq.bufs[i]->priv;
1073                 vm_mem->vaddr = frame;
1074         }
1075
1076         return ret;
1077
1078 error:
1079         while (i--) {
1080                 vm_mem = pipe->capq.bufs[i]->priv;
1081                 ia_css_frame_free(vm_mem->vaddr);
1082         }
1083
1084         if (asd->vf_frame)
1085                 ia_css_frame_free(asd->vf_frame);
1086
1087         return -ENOMEM;
1088 }
1089
1090 int atomisp_reqbufs(struct file *file, void *fh,
1091                     struct v4l2_requestbuffers *req)
1092 {
1093         struct video_device *vdev = video_devdata(file);
1094         struct atomisp_device *isp = video_get_drvdata(vdev);
1095         int ret;
1096
1097         rt_mutex_lock(&isp->mutex);
1098         ret = __atomisp_reqbufs(file, fh, req);
1099         rt_mutex_unlock(&isp->mutex);
1100
1101         return ret;
1102 }
1103
1104 static int atomisp_reqbufs_file(struct file *file, void *fh,
1105                                 struct v4l2_requestbuffers *req)
1106 {
1107         struct video_device *vdev = video_devdata(file);
1108         struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
1109
1110         if (req->count == 0) {
1111                 mutex_lock(&pipe->outq.vb_lock);
1112                 atomisp_videobuf_free_queue(&pipe->outq);
1113                 mutex_unlock(&pipe->outq.vb_lock);
1114                 return 0;
1115         }
1116
1117         return videobuf_reqbufs(&pipe->outq, req);
1118 }
1119
1120 /* application query the status of a buffer */
1121 static int atomisp_querybuf(struct file *file, void *fh,
1122                             struct v4l2_buffer *buf)
1123 {
1124         struct video_device *vdev = video_devdata(file);
1125         struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
1126
1127         return videobuf_querybuf(&pipe->capq, buf);
1128 }
1129
1130 static int atomisp_querybuf_file(struct file *file, void *fh,
1131                                  struct v4l2_buffer *buf)
1132 {
1133         struct video_device *vdev = video_devdata(file);
1134         struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
1135
1136         return videobuf_querybuf(&pipe->outq, buf);
1137 }
1138
1139 /*
1140  * Applications call the VIDIOC_QBUF ioctl to enqueue an empty (capturing) or
1141  * filled (output) buffer in the drivers incoming queue.
1142  */
1143 static int atomisp_qbuf(struct file *file, void *fh, struct v4l2_buffer *buf)
1144 {
1145         static const int NOFLUSH_FLAGS = V4L2_BUF_FLAG_NO_CACHE_INVALIDATE |
1146                                          V4L2_BUF_FLAG_NO_CACHE_CLEAN;
1147         struct video_device *vdev = video_devdata(file);
1148         struct atomisp_device *isp = video_get_drvdata(vdev);
1149         struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
1150         struct atomisp_sub_device *asd = pipe->asd;
1151         struct videobuf_buffer *vb;
1152         struct videobuf_vmalloc_memory *vm_mem;
1153         struct ia_css_frame_info frame_info;
1154         struct ia_css_frame *handle = NULL;
1155         u32 length;
1156         u32 pgnr;
1157         int ret = 0;
1158
1159         rt_mutex_lock(&isp->mutex);
1160         if (isp->isp_fatal_error) {
1161                 ret = -EIO;
1162                 goto error;
1163         }
1164
1165         if (asd->streaming == ATOMISP_DEVICE_STREAMING_STOPPING) {
1166                 dev_err(isp->dev, "%s: reject, as ISP at stopping.\n",
1167                         __func__);
1168                 ret = -EIO;
1169                 goto error;
1170         }
1171
1172         if (!buf || buf->index >= VIDEO_MAX_FRAME ||
1173             !pipe->capq.bufs[buf->index]) {
1174                 dev_err(isp->dev, "Invalid index for qbuf.\n");
1175                 ret = -EINVAL;
1176                 goto error;
1177         }
1178
1179         /*
1180          * For userptr type frame, we convert user space address to physic
1181          * address and reprograme out page table properly
1182          */
1183         if (buf->memory == V4L2_MEMORY_USERPTR) {
1184                 vb = pipe->capq.bufs[buf->index];
1185                 vm_mem = vb->priv;
1186                 if (!vm_mem) {
1187                         ret = -EINVAL;
1188                         goto error;
1189                 }
1190
1191                 length = vb->bsize;
1192                 pgnr = (length + (PAGE_SIZE - 1)) >> PAGE_SHIFT;
1193
1194                 if (vb->baddr == buf->m.userptr && vm_mem->vaddr)
1195                         goto done;
1196
1197                 if (atomisp_get_css_frame_info(asd,
1198                                                atomisp_subdev_source_pad(vdev), &frame_info)) {
1199                         ret = -EIO;
1200                         goto error;
1201                 }
1202
1203                 ret = ia_css_frame_map(&handle, &frame_info,
1204                                             (void __user *)buf->m.userptr,
1205                                             0, pgnr);
1206                 if (ret) {
1207                         dev_err(isp->dev, "Failed to map user buffer\n");
1208                         goto error;
1209                 }
1210
1211                 if (vm_mem->vaddr) {
1212                         mutex_lock(&pipe->capq.vb_lock);
1213                         ia_css_frame_free(vm_mem->vaddr);
1214                         vm_mem->vaddr = NULL;
1215                         vb->state = VIDEOBUF_NEEDS_INIT;
1216                         mutex_unlock(&pipe->capq.vb_lock);
1217                 }
1218
1219                 vm_mem->vaddr = handle;
1220
1221                 buf->flags &= ~V4L2_BUF_FLAG_MAPPED;
1222                 buf->flags |= V4L2_BUF_FLAG_QUEUED;
1223                 buf->flags &= ~V4L2_BUF_FLAG_DONE;
1224         } else if (buf->memory == V4L2_MEMORY_MMAP) {
1225                 buf->flags |= V4L2_BUF_FLAG_MAPPED;
1226                 buf->flags |= V4L2_BUF_FLAG_QUEUED;
1227                 buf->flags &= ~V4L2_BUF_FLAG_DONE;
1228
1229                 /*
1230                  * For mmap, frames were allocated at request buffers
1231                  */
1232         }
1233
1234 done:
1235         if (!((buf->flags & NOFLUSH_FLAGS) == NOFLUSH_FLAGS))
1236                 wbinvd();
1237
1238         if (!atomisp_is_vf_pipe(pipe) &&
1239             (buf->reserved2 & ATOMISP_BUFFER_HAS_PER_FRAME_SETTING)) {
1240                 /* this buffer will have a per-frame parameter */
1241                 pipe->frame_request_config_id[buf->index] = buf->reserved2 &
1242                         ~ATOMISP_BUFFER_HAS_PER_FRAME_SETTING;
1243                 dev_dbg(isp->dev,
1244                         "This buffer requires per_frame setting which has isp_config_id %d\n",
1245                         pipe->frame_request_config_id[buf->index]);
1246         } else {
1247                 pipe->frame_request_config_id[buf->index] = 0;
1248         }
1249
1250         pipe->frame_params[buf->index] = NULL;
1251
1252         rt_mutex_unlock(&isp->mutex);
1253
1254         ret = videobuf_qbuf(&pipe->capq, buf);
1255         rt_mutex_lock(&isp->mutex);
1256         if (ret)
1257                 goto error;
1258
1259         /* TODO: do this better, not best way to queue to css */
1260         if (asd->streaming == ATOMISP_DEVICE_STREAMING_ENABLED) {
1261                 if (!list_empty(&pipe->buffers_waiting_for_param)) {
1262                         atomisp_handle_parameter_and_buffer(pipe);
1263                 } else {
1264                         atomisp_qbuffers_to_css(asd);
1265
1266                         if (!IS_ISP2401) {
1267                                 if (!atomisp_is_wdt_running(asd) && atomisp_buffers_queued(asd))
1268                                         atomisp_wdt_start(asd);
1269                         } else {
1270                                 if (!atomisp_is_wdt_running(pipe) &&
1271                                     atomisp_buffers_queued_pipe(pipe))
1272                                         atomisp_wdt_start_pipe(pipe);
1273                         }
1274                 }
1275         }
1276
1277         /* Workaround: Due to the design of HALv3,
1278          * sometimes in ZSL or SDV mode HAL needs to
1279          * capture multiple images within one streaming cycle.
1280          * But the capture number cannot be determined by HAL.
1281          * So HAL only sets the capture number to be 1 and queue multiple
1282          * buffers. Atomisp driver needs to check this case and re-trigger
1283          * CSS to do capture when new buffer is queued. */
1284         if (asd->continuous_mode->val &&
1285             atomisp_subdev_source_pad(vdev)
1286             == ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE &&
1287             pipe->capq.streaming &&
1288             !asd->enable_raw_buffer_lock->val &&
1289             asd->params.offline_parm.num_captures == 1) {
1290                 if (!IS_ISP2401) {
1291                         asd->pending_capture_request++;
1292                         dev_dbg(isp->dev, "Add one pending capture request.\n");
1293                 } else {
1294                         if (asd->re_trigger_capture) {
1295                                 ret = atomisp_css_offline_capture_configure(asd,
1296                                         asd->params.offline_parm.num_captures,
1297                                         asd->params.offline_parm.skip_frames,
1298                                         asd->params.offline_parm.offset);
1299                                 asd->re_trigger_capture = false;
1300                                 dev_dbg(isp->dev, "%s Trigger capture again ret=%d\n",
1301                                         __func__, ret);
1302
1303                         } else {
1304                                 asd->pending_capture_request++;
1305                                 asd->re_trigger_capture = false;
1306                                 dev_dbg(isp->dev, "Add one pending capture request.\n");
1307                         }
1308                 }
1309         }
1310         rt_mutex_unlock(&isp->mutex);
1311
1312         dev_dbg(isp->dev, "qbuf buffer %d (%s) for asd%d\n", buf->index,
1313                 vdev->name, asd->index);
1314
1315         return ret;
1316
1317 error:
1318         rt_mutex_unlock(&isp->mutex);
1319         return ret;
1320 }
1321
1322 static int atomisp_qbuf_file(struct file *file, void *fh,
1323                              struct v4l2_buffer *buf)
1324 {
1325         struct video_device *vdev = video_devdata(file);
1326         struct atomisp_device *isp = video_get_drvdata(vdev);
1327         struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
1328         int ret;
1329
1330         rt_mutex_lock(&isp->mutex);
1331         if (isp->isp_fatal_error) {
1332                 ret = -EIO;
1333                 goto error;
1334         }
1335
1336         if (!buf || buf->index >= VIDEO_MAX_FRAME ||
1337             !pipe->outq.bufs[buf->index]) {
1338                 dev_err(isp->dev, "Invalid index for qbuf.\n");
1339                 ret = -EINVAL;
1340                 goto error;
1341         }
1342
1343         if (buf->memory != V4L2_MEMORY_MMAP) {
1344                 dev_err(isp->dev, "Unsupported memory method\n");
1345                 ret = -EINVAL;
1346                 goto error;
1347         }
1348
1349         if (buf->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) {
1350                 dev_err(isp->dev, "Unsupported buffer type\n");
1351                 ret = -EINVAL;
1352                 goto error;
1353         }
1354         rt_mutex_unlock(&isp->mutex);
1355
1356         return videobuf_qbuf(&pipe->outq, buf);
1357
1358 error:
1359         rt_mutex_unlock(&isp->mutex);
1360
1361         return ret;
1362 }
1363
1364 static int __get_frame_exp_id(struct atomisp_video_pipe *pipe,
1365                               struct v4l2_buffer *buf)
1366 {
1367         struct videobuf_vmalloc_memory *vm_mem;
1368         struct ia_css_frame *handle;
1369         int i;
1370
1371         for (i = 0; pipe->capq.bufs[i]; i++) {
1372                 vm_mem = pipe->capq.bufs[i]->priv;
1373                 handle = vm_mem->vaddr;
1374                 if (buf->index == pipe->capq.bufs[i]->i && handle)
1375                         return handle->exp_id;
1376         }
1377         return -EINVAL;
1378 }
1379
1380 /*
1381  * Applications call the VIDIOC_DQBUF ioctl to dequeue a filled (capturing) or
1382  * displayed (output buffer)from the driver's outgoing queue
1383  */
1384 static int atomisp_dqbuf(struct file *file, void *fh, struct v4l2_buffer *buf)
1385 {
1386         struct video_device *vdev = video_devdata(file);
1387         struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
1388         struct atomisp_sub_device *asd = pipe->asd;
1389         struct atomisp_device *isp = video_get_drvdata(vdev);
1390         int ret = 0;
1391
1392         rt_mutex_lock(&isp->mutex);
1393
1394         if (isp->isp_fatal_error) {
1395                 rt_mutex_unlock(&isp->mutex);
1396                 return -EIO;
1397         }
1398
1399         if (asd->streaming == ATOMISP_DEVICE_STREAMING_STOPPING) {
1400                 rt_mutex_unlock(&isp->mutex);
1401                 dev_err(isp->dev, "%s: reject, as ISP at stopping.\n",
1402                         __func__);
1403                 return -EIO;
1404         }
1405
1406         rt_mutex_unlock(&isp->mutex);
1407
1408         ret = videobuf_dqbuf(&pipe->capq, buf, file->f_flags & O_NONBLOCK);
1409         if (ret) {
1410                 if (ret != -EAGAIN)
1411                         dev_dbg(isp->dev, "<%s: %d\n", __func__, ret);
1412                 return ret;
1413         }
1414         rt_mutex_lock(&isp->mutex);
1415         buf->bytesused = pipe->pix.sizeimage;
1416         buf->reserved = asd->frame_status[buf->index];
1417
1418         /*
1419          * Hack:
1420          * Currently frame_status in the enum type which takes no more lower
1421          * 8 bit.
1422          * use bit[31:16] for exp_id as it is only in the range of 1~255
1423          */
1424         buf->reserved &= 0x0000ffff;
1425         if (!(buf->flags & V4L2_BUF_FLAG_ERROR))
1426                 buf->reserved |= __get_frame_exp_id(pipe, buf) << 16;
1427         buf->reserved2 = pipe->frame_config_id[buf->index];
1428         rt_mutex_unlock(&isp->mutex);
1429
1430         dev_dbg(isp->dev,
1431                 "dqbuf buffer %d (%s) for asd%d with exp_id %d, isp_config_id %d\n",
1432                 buf->index, vdev->name, asd->index, buf->reserved >> 16,
1433                 buf->reserved2);
1434         return 0;
1435 }
1436
1437 enum ia_css_pipe_id atomisp_get_css_pipe_id(struct atomisp_sub_device *asd)
1438 {
1439         if (ATOMISP_USE_YUVPP(asd))
1440                 return IA_CSS_PIPE_ID_YUVPP;
1441
1442         if (asd->continuous_mode->val) {
1443                 if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO)
1444                         return IA_CSS_PIPE_ID_VIDEO;
1445                 else
1446                         return IA_CSS_PIPE_ID_PREVIEW;
1447         }
1448
1449         /*
1450          * Disable vf_pp and run CSS in video mode. This allows using ISP
1451          * scaling but it has one frame delay due to CSS internal buffering.
1452          */
1453         if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_SCALER)
1454                 return IA_CSS_PIPE_ID_VIDEO;
1455
1456         /*
1457          * Disable vf_pp and run CSS in still capture mode. In this mode
1458          * CSS does not cause extra latency with buffering, but scaling
1459          * is not available.
1460          */
1461         if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_LOWLAT)
1462                 return IA_CSS_PIPE_ID_CAPTURE;
1463
1464         switch (asd->run_mode->val) {
1465         case ATOMISP_RUN_MODE_PREVIEW:
1466                 return IA_CSS_PIPE_ID_PREVIEW;
1467         case ATOMISP_RUN_MODE_VIDEO:
1468                 return IA_CSS_PIPE_ID_VIDEO;
1469         case ATOMISP_RUN_MODE_STILL_CAPTURE:
1470         /* fall through */
1471         default:
1472                 return IA_CSS_PIPE_ID_CAPTURE;
1473         }
1474 }
1475
1476 static unsigned int atomisp_sensor_start_stream(struct atomisp_sub_device *asd)
1477 {
1478         struct atomisp_device *isp = asd->isp;
1479
1480         if (isp->inputs[asd->input_curr].camera_caps->
1481             sensor[asd->sensor_curr].stream_num > 1) {
1482                 if (asd->high_speed_mode)
1483                         return 1;
1484                 else
1485                         return 2;
1486         }
1487
1488         if (asd->vfpp->val != ATOMISP_VFPP_ENABLE ||
1489             asd->copy_mode)
1490                 return 1;
1491
1492         if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO ||
1493             (asd->run_mode->val == ATOMISP_RUN_MODE_STILL_CAPTURE &&
1494              !atomisp_is_mbuscode_raw(
1495                  asd->fmt[
1496                   asd->capture_pad].fmt.code) &&
1497              !asd->continuous_mode->val))
1498                 return 2;
1499         else
1500                 return 1;
1501 }
1502
1503 int atomisp_stream_on_master_slave_sensor(struct atomisp_device *isp,
1504         bool isp_timeout)
1505 {
1506         unsigned int master = -1, slave = -1, delay_slave = 0;
1507         int i, ret;
1508
1509         /*
1510          * ISP only support 2 streams now so ignore multiple master/slave
1511          * case to reduce the delay between 2 stream_on calls.
1512          */
1513         for (i = 0; i < isp->num_of_streams; i++) {
1514                 int sensor_index = isp->asd[i].input_curr;
1515
1516                 if (isp->inputs[sensor_index].camera_caps->
1517                     sensor[isp->asd[i].sensor_curr].is_slave)
1518                         slave = sensor_index;
1519                 else
1520                         master = sensor_index;
1521         }
1522
1523         if (master == -1 || slave == -1) {
1524                 master = ATOMISP_DEPTH_DEFAULT_MASTER_SENSOR;
1525                 slave = ATOMISP_DEPTH_DEFAULT_SLAVE_SENSOR;
1526                 dev_warn(isp->dev,
1527                          "depth mode use default master=%s.slave=%s.\n",
1528                          isp->inputs[master].camera->name,
1529                          isp->inputs[slave].camera->name);
1530         }
1531
1532         ret = v4l2_subdev_call(isp->inputs[master].camera, core,
1533                                ioctl, ATOMISP_IOC_G_DEPTH_SYNC_COMP,
1534                                &delay_slave);
1535         if (ret)
1536                 dev_warn(isp->dev,
1537                          "get depth sensor %s compensation delay failed.\n",
1538                          isp->inputs[master].camera->name);
1539
1540         ret = v4l2_subdev_call(isp->inputs[master].camera,
1541                                video, s_stream, 1);
1542         if (ret) {
1543                 dev_err(isp->dev, "depth mode master sensor %s stream-on failed.\n",
1544                         isp->inputs[master].camera->name);
1545                 return -EINVAL;
1546         }
1547
1548         if (delay_slave != 0)
1549                 udelay(delay_slave);
1550
1551         ret = v4l2_subdev_call(isp->inputs[slave].camera,
1552                                video, s_stream, 1);
1553         if (ret) {
1554                 dev_err(isp->dev, "depth mode slave sensor %s stream-on failed.\n",
1555                         isp->inputs[slave].camera->name);
1556                 v4l2_subdev_call(isp->inputs[master].camera, video, s_stream, 0);
1557
1558                 return -EINVAL;
1559         }
1560
1561         return 0;
1562 }
1563
1564 /* FIXME! ISP2400 */
1565 static void __wdt_on_master_slave_sensor(struct atomisp_device *isp,
1566                                          unsigned int wdt_duration)
1567 {
1568         if (atomisp_buffers_queued(&isp->asd[0]))
1569                 atomisp_wdt_refresh(&isp->asd[0], wdt_duration);
1570         if (atomisp_buffers_queued(&isp->asd[1]))
1571                 atomisp_wdt_refresh(&isp->asd[1], wdt_duration);
1572 }
1573
1574 /* FIXME! ISP2401 */
1575 static void __wdt_on_master_slave_sensor_pipe(struct atomisp_video_pipe *pipe,
1576                                               unsigned int wdt_duration,
1577                                               bool enable)
1578 {
1579         static struct atomisp_video_pipe *pipe0;
1580
1581         if (enable) {
1582                 if (atomisp_buffers_queued_pipe(pipe0))
1583                         atomisp_wdt_refresh_pipe(pipe0, wdt_duration);
1584                 if (atomisp_buffers_queued_pipe(pipe))
1585                         atomisp_wdt_refresh_pipe(pipe, wdt_duration);
1586         } else {
1587                 pipe0 = pipe;
1588         }
1589 }
1590
1591 static void atomisp_pause_buffer_event(struct atomisp_device *isp)
1592 {
1593         struct v4l2_event event = {0};
1594         int i;
1595
1596         event.type = V4L2_EVENT_ATOMISP_PAUSE_BUFFER;
1597
1598         for (i = 0; i < isp->num_of_streams; i++) {
1599                 int sensor_index = isp->asd[i].input_curr;
1600
1601                 if (isp->inputs[sensor_index].camera_caps->
1602                     sensor[isp->asd[i].sensor_curr].is_slave) {
1603                         v4l2_event_queue(isp->asd[i].subdev.devnode, &event);
1604                         break;
1605                 }
1606         }
1607 }
1608
1609 /* Input system HW workaround */
1610 /* Input system address translation corrupts burst during */
1611 /* invalidate. SW workaround for this is to set burst length */
1612 /* manually to 128 in case of 13MPx snapshot and to 1 otherwise. */
1613 static void atomisp_dma_burst_len_cfg(struct atomisp_sub_device *asd)
1614 {
1615         struct v4l2_mbus_framefmt *sink;
1616
1617         sink = atomisp_subdev_get_ffmt(&asd->subdev, NULL,
1618                                        V4L2_SUBDEV_FORMAT_ACTIVE,
1619                                        ATOMISP_SUBDEV_PAD_SINK);
1620
1621         if (sink->width * sink->height >= 4096 * 3072)
1622                 atomisp_css2_hw_store_32(DMA_BURST_SIZE_REG, 0x7F);
1623         else
1624                 atomisp_css2_hw_store_32(DMA_BURST_SIZE_REG, 0x00);
1625 }
1626
1627 /*
1628  * This ioctl start the capture during streaming I/O.
1629  */
1630 static int atomisp_streamon(struct file *file, void *fh,
1631                             enum v4l2_buf_type type)
1632 {
1633         struct video_device *vdev = video_devdata(file);
1634         struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
1635         struct atomisp_sub_device *asd = pipe->asd;
1636         struct atomisp_device *isp = video_get_drvdata(vdev);
1637         struct pci_dev *pdev = to_pci_dev(isp->dev);
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(pdev, MRFLD_PCI_CSI_CONTROL,
1848                                       isp->saved_regs.csi_control | MRFLD_PCI_CSI_CONTROL_CSI_READY);
1849         }
1850
1851         /* stream on the sensor */
1852         ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
1853                                video, s_stream, 1);
1854         if (ret) {
1855                 asd->streaming = ATOMISP_DEVICE_STREAMING_DISABLED;
1856                 ret = -EINVAL;
1857                 goto out;
1858         }
1859
1860         if (!IS_ISP2401) {
1861                 if (atomisp_buffers_queued(asd))
1862                         atomisp_wdt_refresh(asd, wdt_duration);
1863         } else {
1864                 if (atomisp_buffers_queued_pipe(pipe))
1865                         atomisp_wdt_refresh_pipe(pipe, wdt_duration);
1866         }
1867
1868 start_delay_wq:
1869         if (asd->continuous_mode->val) {
1870                 struct v4l2_mbus_framefmt *sink;
1871
1872                 sink = atomisp_subdev_get_ffmt(&asd->subdev, NULL,
1873                                                V4L2_SUBDEV_FORMAT_ACTIVE,
1874                                                ATOMISP_SUBDEV_PAD_SINK);
1875
1876                 reinit_completion(&asd->init_done);
1877                 asd->delayed_init = ATOMISP_DELAYED_INIT_QUEUED;
1878                 queue_work(asd->delayed_init_workq, &asd->delayed_init_work);
1879                 atomisp_css_set_cont_prev_start_time(isp,
1880                                                      ATOMISP_CALC_CSS_PREV_OVERLAP(sink->height));
1881         } else {
1882                 asd->delayed_init = ATOMISP_DELAYED_INIT_NOT_QUEUED;
1883         }
1884 out:
1885         rt_mutex_unlock(&isp->mutex);
1886         return ret;
1887 }
1888
1889 int __atomisp_streamoff(struct file *file, void *fh, enum v4l2_buf_type type)
1890 {
1891         struct video_device *vdev = video_devdata(file);
1892         struct atomisp_device *isp = video_get_drvdata(vdev);
1893         struct pci_dev *pdev = to_pci_dev(isp->dev);
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(pdev, MRFLD_PCI_CSI_CONTROL,
2080                                       isp->saved_regs.csi_control & ~MRFLD_PCI_CSI_CONTROL_CSI_READY);
2081         }
2082
2083         if (atomisp_freq_scaling(isp, ATOMISP_DFS_MODE_LOW, false))
2084                 dev_warn(isp->dev, "DFS failed.\n");
2085         /*
2086          * ISP work around, need to reset isp
2087          * Is it correct time to reset ISP when first node does streamoff?
2088          */
2089         if (isp->sw_contex.power_state == ATOM_ISP_POWER_UP) {
2090                 unsigned int i;
2091                 bool recreate_streams[MAX_STREAM_NUM] = {0};
2092
2093                 if (isp->isp_timeout)
2094                         dev_err(isp->dev, "%s: Resetting with WA activated",
2095                                 __func__);
2096                 /*
2097                  * It is possible that the other asd stream is in the stage
2098                  * that v4l2_setfmt is just get called on it, which will
2099                  * create css stream on that stream. But at this point, there
2100                  * is no way to destroy the css stream created on that stream.
2101                  *
2102                  * So force stream destroy here.
2103                  */
2104                 for (i = 0; i < isp->num_of_streams; i++) {
2105                         if (isp->asd[i].stream_prepared) {
2106                                 atomisp_destroy_pipes_stream_force(&isp->
2107                                                                    asd[i]);
2108                                 recreate_streams[i] = true;
2109                         }
2110                 }
2111
2112                 /* disable  PUNIT/ISP acknowlede/handshake - SRSE=3 */
2113                 pci_write_config_dword(pdev, PCI_I_CONTROL,
2114                                        isp->saved_regs.i_control | MRFLD_PCI_I_CONTROL_SRSE_RESET_MASK);
2115                 dev_err(isp->dev, "atomisp_reset");
2116                 atomisp_reset(isp);
2117                 for (i = 0; i < isp->num_of_streams; i++) {
2118                         if (recreate_streams[i])
2119                                 atomisp_create_pipes_stream(&isp->asd[i]);
2120                 }
2121                 isp->isp_timeout = false;
2122         }
2123         return ret;
2124 }
2125
2126 static int atomisp_streamoff(struct file *file, void *fh,
2127                              enum v4l2_buf_type type)
2128 {
2129         struct video_device *vdev = video_devdata(file);
2130         struct atomisp_device *isp = video_get_drvdata(vdev);
2131         int rval;
2132
2133         mutex_lock(&isp->streamoff_mutex);
2134         rt_mutex_lock(&isp->mutex);
2135         rval = __atomisp_streamoff(file, fh, type);
2136         rt_mutex_unlock(&isp->mutex);
2137         mutex_unlock(&isp->streamoff_mutex);
2138
2139         return rval;
2140 }
2141
2142 /*
2143  * To get the current value of a control.
2144  * applications initialize the id field of a struct v4l2_control and
2145  * call this ioctl with a pointer to this structure
2146  */
2147 static int atomisp_g_ctrl(struct file *file, void *fh,
2148                           struct v4l2_control *control)
2149 {
2150         struct video_device *vdev = video_devdata(file);
2151         struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
2152         struct atomisp_device *isp = video_get_drvdata(vdev);
2153         int i, ret = -EINVAL;
2154
2155         for (i = 0; i < ctrls_num; i++) {
2156                 if (ci_v4l2_controls[i].id == control->id) {
2157                         ret = 0;
2158                         break;
2159                 }
2160         }
2161
2162         if (ret)
2163                 return ret;
2164
2165         rt_mutex_lock(&isp->mutex);
2166
2167         switch (control->id) {
2168         case V4L2_CID_IRIS_ABSOLUTE:
2169         case V4L2_CID_EXPOSURE_ABSOLUTE:
2170         case V4L2_CID_FNUMBER_ABSOLUTE:
2171         case V4L2_CID_2A_STATUS:
2172         case V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE:
2173         case V4L2_CID_EXPOSURE:
2174         case V4L2_CID_EXPOSURE_AUTO:
2175         case V4L2_CID_SCENE_MODE:
2176         case V4L2_CID_ISO_SENSITIVITY:
2177         case V4L2_CID_ISO_SENSITIVITY_AUTO:
2178         case V4L2_CID_CONTRAST:
2179         case V4L2_CID_SATURATION:
2180         case V4L2_CID_SHARPNESS:
2181         case V4L2_CID_3A_LOCK:
2182         case V4L2_CID_EXPOSURE_ZONE_NUM:
2183         case V4L2_CID_TEST_PATTERN:
2184         case V4L2_CID_TEST_PATTERN_COLOR_R:
2185         case V4L2_CID_TEST_PATTERN_COLOR_GR:
2186         case V4L2_CID_TEST_PATTERN_COLOR_GB:
2187         case V4L2_CID_TEST_PATTERN_COLOR_B:
2188                 rt_mutex_unlock(&isp->mutex);
2189                 return v4l2_g_ctrl(isp->inputs[asd->input_curr].camera->
2190                                    ctrl_handler, control);
2191         case V4L2_CID_COLORFX:
2192                 ret = atomisp_color_effect(asd, 0, &control->value);
2193                 break;
2194         case V4L2_CID_ATOMISP_BAD_PIXEL_DETECTION:
2195                 ret = atomisp_bad_pixel(asd, 0, &control->value);
2196                 break;
2197         case V4L2_CID_ATOMISP_POSTPROCESS_GDC_CAC:
2198                 ret = atomisp_gdc_cac(asd, 0, &control->value);
2199                 break;
2200         case V4L2_CID_ATOMISP_VIDEO_STABLIZATION:
2201                 ret = atomisp_video_stable(asd, 0, &control->value);
2202                 break;
2203         case V4L2_CID_ATOMISP_FIXED_PATTERN_NR:
2204                 ret = atomisp_fixed_pattern(asd, 0, &control->value);
2205                 break;
2206         case V4L2_CID_ATOMISP_FALSE_COLOR_CORRECTION:
2207                 ret = atomisp_false_color(asd, 0, &control->value);
2208                 break;
2209         case V4L2_CID_ATOMISP_LOW_LIGHT:
2210                 ret = atomisp_low_light(asd, 0, &control->value);
2211                 break;
2212         default:
2213                 ret = -EINVAL;
2214                 break;
2215         }
2216
2217         rt_mutex_unlock(&isp->mutex);
2218         return ret;
2219 }
2220
2221 /*
2222  * To change the value of a control.
2223  * applications initialize the id and value fields of a struct v4l2_control
2224  * and call this ioctl.
2225  */
2226 static int atomisp_s_ctrl(struct file *file, void *fh,
2227                           struct v4l2_control *control)
2228 {
2229         struct video_device *vdev = video_devdata(file);
2230         struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
2231         struct atomisp_device *isp = video_get_drvdata(vdev);
2232         int i, ret = -EINVAL;
2233
2234         for (i = 0; i < ctrls_num; i++) {
2235                 if (ci_v4l2_controls[i].id == control->id) {
2236                         ret = 0;
2237                         break;
2238                 }
2239         }
2240
2241         if (ret)
2242                 return ret;
2243
2244         rt_mutex_lock(&isp->mutex);
2245         switch (control->id) {
2246         case V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE:
2247         case V4L2_CID_EXPOSURE:
2248         case V4L2_CID_EXPOSURE_AUTO:
2249         case V4L2_CID_EXPOSURE_AUTO_PRIORITY:
2250         case V4L2_CID_SCENE_MODE:
2251         case V4L2_CID_ISO_SENSITIVITY:
2252         case V4L2_CID_ISO_SENSITIVITY_AUTO:
2253         case V4L2_CID_POWER_LINE_FREQUENCY:
2254         case V4L2_CID_EXPOSURE_METERING:
2255         case V4L2_CID_CONTRAST:
2256         case V4L2_CID_SATURATION:
2257         case V4L2_CID_SHARPNESS:
2258         case V4L2_CID_3A_LOCK:
2259         case V4L2_CID_COLORFX_CBCR:
2260         case V4L2_CID_TEST_PATTERN:
2261         case V4L2_CID_TEST_PATTERN_COLOR_R:
2262         case V4L2_CID_TEST_PATTERN_COLOR_GR:
2263         case V4L2_CID_TEST_PATTERN_COLOR_GB:
2264         case V4L2_CID_TEST_PATTERN_COLOR_B:
2265                 rt_mutex_unlock(&isp->mutex);
2266                 return v4l2_s_ctrl(NULL,
2267                                    isp->inputs[asd->input_curr].camera->
2268                                    ctrl_handler, control);
2269         case V4L2_CID_COLORFX:
2270                 ret = atomisp_color_effect(asd, 1, &control->value);
2271                 break;
2272         case V4L2_CID_ATOMISP_BAD_PIXEL_DETECTION:
2273                 ret = atomisp_bad_pixel(asd, 1, &control->value);
2274                 break;
2275         case V4L2_CID_ATOMISP_POSTPROCESS_GDC_CAC:
2276                 ret = atomisp_gdc_cac(asd, 1, &control->value);
2277                 break;
2278         case V4L2_CID_ATOMISP_VIDEO_STABLIZATION:
2279                 ret = atomisp_video_stable(asd, 1, &control->value);
2280                 break;
2281         case V4L2_CID_ATOMISP_FIXED_PATTERN_NR:
2282                 ret = atomisp_fixed_pattern(asd, 1, &control->value);
2283                 break;
2284         case V4L2_CID_ATOMISP_FALSE_COLOR_CORRECTION:
2285                 ret = atomisp_false_color(asd, 1, &control->value);
2286                 break;
2287         case V4L2_CID_REQUEST_FLASH:
2288                 ret = atomisp_flash_enable(asd, control->value);
2289                 break;
2290         case V4L2_CID_ATOMISP_LOW_LIGHT:
2291                 ret = atomisp_low_light(asd, 1, &control->value);
2292                 break;
2293         default:
2294                 ret = -EINVAL;
2295                 break;
2296         }
2297         rt_mutex_unlock(&isp->mutex);
2298         return ret;
2299 }
2300
2301 /*
2302  * To query the attributes of a control.
2303  * applications set the id field of a struct v4l2_queryctrl and call the
2304  * this ioctl with a pointer to this structure. The driver fills
2305  * the rest of the structure.
2306  */
2307 static int atomisp_queryctl(struct file *file, void *fh,
2308                             struct v4l2_queryctrl *qc)
2309 {
2310         int i, ret = -EINVAL;
2311         struct video_device *vdev = video_devdata(file);
2312         struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
2313         struct atomisp_device *isp = video_get_drvdata(vdev);
2314
2315         switch (qc->id) {
2316         case V4L2_CID_FOCUS_ABSOLUTE:
2317         case V4L2_CID_FOCUS_RELATIVE:
2318         case V4L2_CID_FOCUS_STATUS:
2319                 if (!IS_ISP2401) {
2320                         return v4l2_queryctrl(isp->inputs[asd->input_curr].camera->
2321                                             ctrl_handler, qc);
2322                 }
2323                 /* ISP2401 */
2324                 if (isp->motor)
2325                         return v4l2_queryctrl(isp->motor->ctrl_handler, qc);
2326                 else
2327                         return v4l2_queryctrl(isp->inputs[asd->input_curr].
2328                                               camera->ctrl_handler, qc);
2329         }
2330
2331         if (qc->id & V4L2_CTRL_FLAG_NEXT_CTRL)
2332                 return ret;
2333
2334         for (i = 0; i < ctrls_num; i++) {
2335                 if (ci_v4l2_controls[i].id == qc->id) {
2336                         memcpy(qc, &ci_v4l2_controls[i],
2337                                sizeof(struct v4l2_queryctrl));
2338                         qc->reserved[0] = 0;
2339                         ret = 0;
2340                         break;
2341                 }
2342         }
2343         if (ret != 0)
2344                 qc->flags = V4L2_CTRL_FLAG_DISABLED;
2345
2346         return ret;
2347 }
2348
2349 static int atomisp_camera_g_ext_ctrls(struct file *file, void *fh,
2350                                       struct v4l2_ext_controls *c)
2351 {
2352         struct video_device *vdev = video_devdata(file);
2353         struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
2354         struct atomisp_device *isp = video_get_drvdata(vdev);
2355         struct v4l2_subdev *motor;
2356         struct v4l2_control ctrl;
2357         int i;
2358         int ret = 0;
2359
2360         if (!IS_ISP2401)
2361                 motor = isp->inputs[asd->input_curr].motor;
2362         else
2363                 motor = isp->motor;
2364
2365         for (i = 0; i < c->count; i++) {
2366                 ctrl.id = c->controls[i].id;
2367                 ctrl.value = c->controls[i].value;
2368                 switch (ctrl.id) {
2369                 case V4L2_CID_EXPOSURE_ABSOLUTE:
2370                 case V4L2_CID_EXPOSURE_AUTO:
2371                 case V4L2_CID_IRIS_ABSOLUTE:
2372                 case V4L2_CID_FNUMBER_ABSOLUTE:
2373                 case V4L2_CID_BIN_FACTOR_HORZ:
2374                 case V4L2_CID_BIN_FACTOR_VERT:
2375                 case V4L2_CID_3A_LOCK:
2376                 case V4L2_CID_TEST_PATTERN:
2377                 case V4L2_CID_TEST_PATTERN_COLOR_R:
2378                 case V4L2_CID_TEST_PATTERN_COLOR_GR:
2379                 case V4L2_CID_TEST_PATTERN_COLOR_GB:
2380                 case V4L2_CID_TEST_PATTERN_COLOR_B:
2381                         /*
2382                          * Exposure related control will be handled by sensor
2383                          * driver
2384                          */
2385                         ret =
2386                             v4l2_g_ctrl(isp->inputs[asd->input_curr].camera->
2387                                         ctrl_handler, &ctrl);
2388                         break;
2389                 case V4L2_CID_FOCUS_ABSOLUTE:
2390                 case V4L2_CID_FOCUS_RELATIVE:
2391                 case V4L2_CID_FOCUS_STATUS:
2392                 case V4L2_CID_FOCUS_AUTO:
2393                         if (motor)
2394                                 ret = v4l2_g_ctrl(motor->ctrl_handler, &ctrl);
2395                         break;
2396                 case V4L2_CID_FLASH_STATUS:
2397                 case V4L2_CID_FLASH_INTENSITY:
2398                 case V4L2_CID_FLASH_TORCH_INTENSITY:
2399                 case V4L2_CID_FLASH_INDICATOR_INTENSITY:
2400                 case V4L2_CID_FLASH_TIMEOUT:
2401                 case V4L2_CID_FLASH_STROBE:
2402                 case V4L2_CID_FLASH_MODE:
2403                 case V4L2_CID_FLASH_STATUS_REGISTER:
2404                         if (isp->flash)
2405                                 ret =
2406                                     v4l2_g_ctrl(isp->flash->ctrl_handler,
2407                                                 &ctrl);
2408                         break;
2409                 case V4L2_CID_ZOOM_ABSOLUTE:
2410                         rt_mutex_lock(&isp->mutex);
2411                         ret = atomisp_digital_zoom(asd, 0, &ctrl.value);
2412                         rt_mutex_unlock(&isp->mutex);
2413                         break;
2414                 case V4L2_CID_G_SKIP_FRAMES:
2415                         ret = v4l2_subdev_call(
2416                                   isp->inputs[asd->input_curr].camera,
2417                                   sensor, g_skip_frames, (u32 *)&ctrl.value);
2418                         break;
2419                 default:
2420                         ret = -EINVAL;
2421                 }
2422
2423                 if (ret) {
2424                         c->error_idx = i;
2425                         break;
2426                 }
2427                 c->controls[i].value = ctrl.value;
2428         }
2429         return ret;
2430 }
2431
2432 /* This ioctl allows the application to get multiple controls by class */
2433 static int atomisp_g_ext_ctrls(struct file *file, void *fh,
2434                                struct v4l2_ext_controls *c)
2435 {
2436         struct v4l2_control ctrl;
2437         int i, ret = 0;
2438
2439         /* input_lock is not need for the Camera related IOCTLs
2440          * The input_lock downgrade the FPS of 3A*/
2441         ret = atomisp_camera_g_ext_ctrls(file, fh, c);
2442         if (ret != -EINVAL)
2443                 return ret;
2444
2445         for (i = 0; i < c->count; i++) {
2446                 ctrl.id = c->controls[i].id;
2447                 ctrl.value = c->controls[i].value;
2448                 ret = atomisp_g_ctrl(file, fh, &ctrl);
2449                 c->controls[i].value = ctrl.value;
2450                 if (ret) {
2451                         c->error_idx = i;
2452                         break;
2453                 }
2454         }
2455         return ret;
2456 }
2457
2458 static int atomisp_camera_s_ext_ctrls(struct file *file, void *fh,
2459                                       struct v4l2_ext_controls *c)
2460 {
2461         struct video_device *vdev = video_devdata(file);
2462         struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
2463         struct atomisp_device *isp = video_get_drvdata(vdev);
2464         struct v4l2_subdev *motor;
2465         struct v4l2_control ctrl;
2466         int i;
2467         int ret = 0;
2468
2469         if (!IS_ISP2401)
2470                 motor = isp->inputs[asd->input_curr].motor;
2471         else
2472                 motor = isp->motor;
2473
2474         for (i = 0; i < c->count; i++) {
2475                 struct v4l2_ctrl *ctr;
2476
2477                 ctrl.id = c->controls[i].id;
2478                 ctrl.value = c->controls[i].value;
2479                 switch (ctrl.id) {
2480                 case V4L2_CID_EXPOSURE_ABSOLUTE:
2481                 case V4L2_CID_EXPOSURE_AUTO:
2482                 case V4L2_CID_EXPOSURE_METERING:
2483                 case V4L2_CID_IRIS_ABSOLUTE:
2484                 case V4L2_CID_FNUMBER_ABSOLUTE:
2485                 case V4L2_CID_VCM_TIMING:
2486                 case V4L2_CID_VCM_SLEW:
2487                 case V4L2_CID_3A_LOCK:
2488                 case V4L2_CID_TEST_PATTERN:
2489                 case V4L2_CID_TEST_PATTERN_COLOR_R:
2490                 case V4L2_CID_TEST_PATTERN_COLOR_GR:
2491                 case V4L2_CID_TEST_PATTERN_COLOR_GB:
2492                 case V4L2_CID_TEST_PATTERN_COLOR_B:
2493                         ret = v4l2_s_ctrl(NULL,
2494                                           isp->inputs[asd->input_curr].camera->
2495                                           ctrl_handler, &ctrl);
2496                         break;
2497                 case V4L2_CID_FOCUS_ABSOLUTE:
2498                 case V4L2_CID_FOCUS_RELATIVE:
2499                 case V4L2_CID_FOCUS_STATUS:
2500                 case V4L2_CID_FOCUS_AUTO:
2501                         if (motor)
2502                                 ret = v4l2_s_ctrl(NULL, motor->ctrl_handler,
2503                                                   &ctrl);
2504                         else
2505                                 ret = v4l2_s_ctrl(NULL,
2506                                                   isp->inputs[asd->input_curr].
2507                                                   camera->ctrl_handler, &ctrl);
2508                         break;
2509                 case V4L2_CID_FLASH_STATUS:
2510                 case V4L2_CID_FLASH_INTENSITY:
2511                 case V4L2_CID_FLASH_TORCH_INTENSITY:
2512                 case V4L2_CID_FLASH_INDICATOR_INTENSITY:
2513                 case V4L2_CID_FLASH_TIMEOUT:
2514                 case V4L2_CID_FLASH_STROBE:
2515                 case V4L2_CID_FLASH_MODE:
2516                 case V4L2_CID_FLASH_STATUS_REGISTER:
2517                         rt_mutex_lock(&isp->mutex);
2518                         if (isp->flash) {
2519                                 ret =
2520                                     v4l2_s_ctrl(NULL, isp->flash->ctrl_handler,
2521                                                 &ctrl);
2522                                 /* When flash mode is changed we need to reset
2523                                  * flash state */
2524                                 if (ctrl.id == V4L2_CID_FLASH_MODE) {
2525                                         asd->params.flash_state =
2526                                             ATOMISP_FLASH_IDLE;
2527                                         asd->params.num_flash_frames = 0;
2528                                 }
2529                         }
2530                         rt_mutex_unlock(&isp->mutex);
2531                         break;
2532                 case V4L2_CID_ZOOM_ABSOLUTE:
2533                         rt_mutex_lock(&isp->mutex);
2534                         ret = atomisp_digital_zoom(asd, 1, &ctrl.value);
2535                         rt_mutex_unlock(&isp->mutex);
2536                         break;
2537                 default:
2538                         ctr = v4l2_ctrl_find(&asd->ctrl_handler, ctrl.id);
2539                         if (ctr)
2540                                 ret = v4l2_ctrl_s_ctrl(ctr, ctrl.value);
2541                         else
2542                                 ret = -EINVAL;
2543                 }
2544
2545                 if (ret) {
2546                         c->error_idx = i;
2547                         break;
2548                 }
2549                 c->controls[i].value = ctrl.value;
2550         }
2551         return ret;
2552 }
2553
2554 /* This ioctl allows the application to set multiple controls by class */
2555 static int atomisp_s_ext_ctrls(struct file *file, void *fh,
2556                                struct v4l2_ext_controls *c)
2557 {
2558         struct v4l2_control ctrl;
2559         int i, ret = 0;
2560
2561         /* input_lock is not need for the Camera related IOCTLs
2562          * The input_lock downgrade the FPS of 3A*/
2563         ret = atomisp_camera_s_ext_ctrls(file, fh, c);
2564         if (ret != -EINVAL)
2565                 return ret;
2566
2567         for (i = 0; i < c->count; i++) {
2568                 ctrl.id = c->controls[i].id;
2569                 ctrl.value = c->controls[i].value;
2570                 ret = atomisp_s_ctrl(file, fh, &ctrl);
2571                 c->controls[i].value = ctrl.value;
2572                 if (ret) {
2573                         c->error_idx = i;
2574                         break;
2575                 }
2576         }
2577         return ret;
2578 }
2579
2580 /*
2581  * vidioc_g/s_param are used to switch isp running mode
2582  */
2583 static int atomisp_g_parm(struct file *file, void *fh,
2584                           struct v4l2_streamparm *parm)
2585 {
2586         struct video_device *vdev = video_devdata(file);
2587         struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
2588         struct atomisp_device *isp = video_get_drvdata(vdev);
2589
2590         if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
2591                 dev_err(isp->dev, "unsupport v4l2 buf type\n");
2592                 return -EINVAL;
2593         }
2594
2595         rt_mutex_lock(&isp->mutex);
2596         parm->parm.capture.capturemode = asd->run_mode->val;
2597         rt_mutex_unlock(&isp->mutex);
2598
2599         return 0;
2600 }
2601
2602 static int atomisp_s_parm(struct file *file, void *fh,
2603                           struct v4l2_streamparm *parm)
2604 {
2605         struct video_device *vdev = video_devdata(file);
2606         struct atomisp_device *isp = video_get_drvdata(vdev);
2607         struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
2608         int mode;
2609         int rval;
2610         int fps;
2611
2612         if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
2613                 dev_err(isp->dev, "unsupport v4l2 buf type\n");
2614                 return -EINVAL;
2615         }
2616
2617         rt_mutex_lock(&isp->mutex);
2618
2619         asd->high_speed_mode = false;
2620         switch (parm->parm.capture.capturemode) {
2621         case CI_MODE_NONE: {
2622                 struct v4l2_subdev_frame_interval fi = {0};
2623
2624                 fi.interval = parm->parm.capture.timeperframe;
2625
2626                 rval = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
2627                                         video, s_frame_interval, &fi);
2628                 if (!rval)
2629                         parm->parm.capture.timeperframe = fi.interval;
2630
2631                 if (fi.interval.numerator != 0) {
2632                         fps = fi.interval.denominator / fi.interval.numerator;
2633                         if (fps > 30)
2634                                 asd->high_speed_mode = true;
2635                 }
2636
2637                 goto out;
2638         }
2639         case CI_MODE_VIDEO:
2640                 mode = ATOMISP_RUN_MODE_VIDEO;
2641                 break;
2642         case CI_MODE_STILL_CAPTURE:
2643                 mode = ATOMISP_RUN_MODE_STILL_CAPTURE;
2644                 break;
2645         case CI_MODE_CONTINUOUS:
2646                 mode = ATOMISP_RUN_MODE_CONTINUOUS_CAPTURE;
2647                 break;
2648         case CI_MODE_PREVIEW:
2649                 mode = ATOMISP_RUN_MODE_PREVIEW;
2650                 break;
2651         default:
2652                 rval = -EINVAL;
2653                 goto out;
2654         }
2655
2656         rval = v4l2_ctrl_s_ctrl(asd->run_mode, mode);
2657
2658 out:
2659         rt_mutex_unlock(&isp->mutex);
2660
2661         return rval == -ENOIOCTLCMD ? 0 : rval;
2662 }
2663
2664 static int atomisp_s_parm_file(struct file *file, void *fh,
2665                                struct v4l2_streamparm *parm)
2666 {
2667         struct video_device *vdev = video_devdata(file);
2668         struct atomisp_device *isp = video_get_drvdata(vdev);
2669
2670         if (parm->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) {
2671                 dev_err(isp->dev, "unsupport v4l2 buf type for output\n");
2672                 return -EINVAL;
2673         }
2674
2675         rt_mutex_lock(&isp->mutex);
2676         isp->sw_contex.file_input = true;
2677         rt_mutex_unlock(&isp->mutex);
2678
2679         return 0;
2680 }
2681
2682 static long atomisp_vidioc_default(struct file *file, void *fh,
2683                                    bool valid_prio, unsigned int cmd, void *arg)
2684 {
2685         struct video_device *vdev = video_devdata(file);
2686         struct atomisp_device *isp = video_get_drvdata(vdev);
2687         struct atomisp_sub_device *asd;
2688         struct v4l2_subdev *motor;
2689         bool acc_node;
2690         int err;
2691
2692         acc_node = !strcmp(vdev->name, "ATOMISP ISP ACC");
2693         if (acc_node)
2694                 asd = atomisp_to_acc_pipe(vdev)->asd;
2695         else
2696                 asd = atomisp_to_video_pipe(vdev)->asd;
2697
2698         if (!IS_ISP2401)
2699                 motor = isp->inputs[asd->input_curr].motor;
2700         else
2701                 motor = isp->motor;
2702
2703         switch (cmd) {
2704         case ATOMISP_IOC_G_MOTOR_PRIV_INT_DATA:
2705         case ATOMISP_IOC_S_EXPOSURE:
2706         case ATOMISP_IOC_G_SENSOR_CALIBRATION_GROUP:
2707         case ATOMISP_IOC_G_SENSOR_PRIV_INT_DATA:
2708         case ATOMISP_IOC_EXT_ISP_CTRL:
2709         case ATOMISP_IOC_G_SENSOR_AE_BRACKETING_INFO:
2710         case ATOMISP_IOC_S_SENSOR_AE_BRACKETING_MODE:
2711         case ATOMISP_IOC_G_SENSOR_AE_BRACKETING_MODE:
2712         case ATOMISP_IOC_S_SENSOR_AE_BRACKETING_LUT:
2713         case ATOMISP_IOC_S_SENSOR_EE_CONFIG:
2714         case ATOMISP_IOC_G_UPDATE_EXPOSURE:
2715                 /* we do not need take isp->mutex for these IOCTLs */
2716                 break;
2717         default:
2718                 rt_mutex_lock(&isp->mutex);
2719                 break;
2720         }
2721         switch (cmd) {
2722         case ATOMISP_IOC_S_SENSOR_RUNMODE:
2723                 if (IS_ISP2401)
2724                         err = atomisp_set_sensor_runmode(asd, arg);
2725                 else
2726                         err = -EINVAL;
2727                 break;
2728
2729         case ATOMISP_IOC_G_XNR:
2730                 err = atomisp_xnr(asd, 0, arg);
2731                 break;
2732
2733         case ATOMISP_IOC_S_XNR:
2734                 err = atomisp_xnr(asd, 1, arg);
2735                 break;
2736
2737         case ATOMISP_IOC_G_NR:
2738                 err = atomisp_nr(asd, 0, arg);
2739                 break;
2740
2741         case ATOMISP_IOC_S_NR:
2742                 err = atomisp_nr(asd, 1, arg);
2743                 break;
2744
2745         case ATOMISP_IOC_G_TNR:
2746                 err = atomisp_tnr(asd, 0, arg);
2747                 break;
2748
2749         case ATOMISP_IOC_S_TNR:
2750                 err = atomisp_tnr(asd, 1, arg);
2751                 break;
2752
2753         case ATOMISP_IOC_G_BLACK_LEVEL_COMP:
2754                 err = atomisp_black_level(asd, 0, arg);
2755                 break;
2756
2757         case ATOMISP_IOC_S_BLACK_LEVEL_COMP:
2758                 err = atomisp_black_level(asd, 1, arg);
2759                 break;
2760
2761         case ATOMISP_IOC_G_EE:
2762                 err = atomisp_ee(asd, 0, arg);
2763                 break;
2764
2765         case ATOMISP_IOC_S_EE:
2766                 err = atomisp_ee(asd, 1, arg);
2767                 break;
2768
2769         case ATOMISP_IOC_G_DIS_STAT:
2770                 err = atomisp_get_dis_stat(asd, arg);
2771                 break;
2772
2773         case ATOMISP_IOC_G_DVS2_BQ_RESOLUTIONS:
2774                 err = atomisp_get_dvs2_bq_resolutions(asd, arg);
2775                 break;
2776
2777         case ATOMISP_IOC_S_DIS_COEFS:
2778                 err = atomisp_css_cp_dvs2_coefs(asd, arg,
2779                                                 &asd->params.css_param, true);
2780                 if (!err && arg)
2781                         asd->params.css_update_params_needed = true;
2782                 break;
2783
2784         case ATOMISP_IOC_S_DIS_VECTOR:
2785                 err = atomisp_cp_dvs_6axis_config(asd, arg,
2786                                                   &asd->params.css_param, true);
2787                 if (!err && arg)
2788                         asd->params.css_update_params_needed = true;
2789                 break;
2790
2791         case ATOMISP_IOC_G_ISP_PARM:
2792                 err = atomisp_param(asd, 0, arg);
2793                 break;
2794
2795         case ATOMISP_IOC_S_ISP_PARM:
2796                 err = atomisp_param(asd, 1, arg);
2797                 break;
2798
2799         case ATOMISP_IOC_G_3A_STAT:
2800                 err = atomisp_3a_stat(asd, 0, arg);
2801                 break;
2802
2803         case ATOMISP_IOC_G_ISP_GAMMA:
2804                 err = atomisp_gamma(asd, 0, arg);
2805                 break;
2806
2807         case ATOMISP_IOC_S_ISP_GAMMA:
2808                 err = atomisp_gamma(asd, 1, arg);
2809                 break;
2810
2811         case ATOMISP_IOC_G_ISP_GDC_TAB:
2812                 err = atomisp_gdc_cac_table(asd, 0, arg);
2813                 break;
2814
2815         case ATOMISP_IOC_S_ISP_GDC_TAB:
2816                 err = atomisp_gdc_cac_table(asd, 1, arg);
2817                 break;
2818
2819         case ATOMISP_IOC_G_ISP_MACC:
2820                 err = atomisp_macc_table(asd, 0, arg);
2821                 break;
2822
2823         case ATOMISP_IOC_S_ISP_MACC:
2824                 err = atomisp_macc_table(asd, 1, arg);
2825                 break;
2826
2827         case ATOMISP_IOC_G_ISP_BAD_PIXEL_DETECTION:
2828                 err = atomisp_bad_pixel_param(asd, 0, arg);
2829                 break;
2830
2831         case ATOMISP_IOC_S_ISP_BAD_PIXEL_DETECTION:
2832                 err = atomisp_bad_pixel_param(asd, 1, arg);
2833                 break;
2834
2835         case ATOMISP_IOC_G_ISP_FALSE_COLOR_CORRECTION:
2836                 err = atomisp_false_color_param(asd, 0, arg);
2837                 break;
2838
2839         case ATOMISP_IOC_S_ISP_FALSE_COLOR_CORRECTION:
2840                 err = atomisp_false_color_param(asd, 1, arg);
2841                 break;
2842
2843         case ATOMISP_IOC_G_ISP_CTC:
2844                 err = atomisp_ctc(asd, 0, arg);
2845                 break;
2846
2847         case ATOMISP_IOC_S_ISP_CTC:
2848                 err = atomisp_ctc(asd, 1, arg);
2849                 break;
2850
2851         case ATOMISP_IOC_G_ISP_WHITE_BALANCE:
2852                 err = atomisp_white_balance_param(asd, 0, arg);
2853                 break;
2854
2855         case ATOMISP_IOC_S_ISP_WHITE_BALANCE:
2856                 err = atomisp_white_balance_param(asd, 1, arg);
2857                 break;
2858
2859         case ATOMISP_IOC_G_3A_CONFIG:
2860                 err = atomisp_3a_config_param(asd, 0, arg);
2861                 break;
2862
2863         case ATOMISP_IOC_S_3A_CONFIG:
2864                 err = atomisp_3a_config_param(asd, 1, arg);
2865                 break;
2866
2867         case ATOMISP_IOC_S_ISP_FPN_TABLE:
2868                 err = atomisp_fixed_pattern_table(asd, arg);
2869                 break;
2870
2871         case ATOMISP_IOC_ISP_MAKERNOTE:
2872                 err = atomisp_exif_makernote(asd, arg);
2873                 break;
2874
2875         case ATOMISP_IOC_G_SENSOR_MODE_DATA:
2876                 err = atomisp_get_sensor_mode_data(asd, arg);
2877                 break;
2878
2879         case ATOMISP_IOC_G_MOTOR_PRIV_INT_DATA:
2880                 if (motor)
2881                         err = v4l2_subdev_call(motor, core, ioctl, cmd, arg);
2882                 else
2883                         err = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
2884                                                core, ioctl, cmd, arg);
2885                 break;
2886
2887         case ATOMISP_IOC_S_EXPOSURE:
2888         case ATOMISP_IOC_G_SENSOR_CALIBRATION_GROUP:
2889         case ATOMISP_IOC_G_SENSOR_PRIV_INT_DATA:
2890         case ATOMISP_IOC_G_SENSOR_AE_BRACKETING_INFO:
2891         case ATOMISP_IOC_S_SENSOR_AE_BRACKETING_MODE:
2892         case ATOMISP_IOC_G_SENSOR_AE_BRACKETING_MODE:
2893         case ATOMISP_IOC_S_SENSOR_AE_BRACKETING_LUT:
2894                 err = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
2895                                        core, ioctl, cmd, arg);
2896                 break;
2897         case ATOMISP_IOC_G_UPDATE_EXPOSURE:
2898                 if (IS_ISP2401)
2899                         err = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
2900                                                core, ioctl, cmd, arg);
2901                 else
2902                         err = -EINVAL;
2903                 break;
2904
2905         case ATOMISP_IOC_ACC_LOAD:
2906                 err = atomisp_acc_load(asd, arg);
2907                 break;
2908
2909         case ATOMISP_IOC_ACC_LOAD_TO_PIPE:
2910                 err = atomisp_acc_load_to_pipe(asd, arg);
2911                 break;
2912
2913         case ATOMISP_IOC_ACC_UNLOAD:
2914                 err = atomisp_acc_unload(asd, arg);
2915                 break;
2916
2917         case ATOMISP_IOC_ACC_START:
2918                 err = atomisp_acc_start(asd, arg);
2919                 break;
2920
2921         case ATOMISP_IOC_ACC_WAIT:
2922                 err = atomisp_acc_wait(asd, arg);
2923                 break;
2924
2925         case ATOMISP_IOC_ACC_MAP:
2926                 err = atomisp_acc_map(asd, arg);
2927                 break;
2928
2929         case ATOMISP_IOC_ACC_UNMAP:
2930                 err = atomisp_acc_unmap(asd, arg);
2931                 break;
2932
2933         case ATOMISP_IOC_ACC_S_MAPPED_ARG:
2934                 err = atomisp_acc_s_mapped_arg(asd, arg);
2935                 break;
2936
2937         case ATOMISP_IOC_S_ISP_SHD_TAB:
2938                 err = atomisp_set_shading_table(asd, arg);
2939                 break;
2940
2941         case ATOMISP_IOC_G_ISP_GAMMA_CORRECTION:
2942                 err = atomisp_gamma_correction(asd, 0, arg);
2943                 break;
2944
2945         case ATOMISP_IOC_S_ISP_GAMMA_CORRECTION:
2946                 err = atomisp_gamma_correction(asd, 1, arg);
2947                 break;
2948
2949         case ATOMISP_IOC_S_PARAMETERS:
2950                 err = atomisp_set_parameters(vdev, arg);
2951                 break;
2952
2953         case ATOMISP_IOC_S_CONT_CAPTURE_CONFIG:
2954                 err = atomisp_offline_capture_configure(asd, arg);
2955                 break;
2956         case ATOMISP_IOC_G_METADATA:
2957                 err = atomisp_get_metadata(asd, 0, arg);
2958                 break;
2959         case ATOMISP_IOC_G_METADATA_BY_TYPE:
2960                 err = atomisp_get_metadata_by_type(asd, 0, arg);
2961                 break;
2962         case ATOMISP_IOC_EXT_ISP_CTRL:
2963                 err = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
2964                                        core, ioctl, cmd, arg);
2965                 break;
2966         case ATOMISP_IOC_EXP_ID_UNLOCK:
2967                 err = atomisp_exp_id_unlock(asd, arg);
2968                 break;
2969         case ATOMISP_IOC_EXP_ID_CAPTURE:
2970                 err = atomisp_exp_id_capture(asd, arg);
2971                 break;
2972         case ATOMISP_IOC_S_ENABLE_DZ_CAPT_PIPE:
2973                 err = atomisp_enable_dz_capt_pipe(asd, arg);
2974                 break;
2975         case ATOMISP_IOC_G_FORMATS_CONFIG:
2976                 err = atomisp_formats(asd, 0, arg);
2977                 break;
2978
2979         case ATOMISP_IOC_S_FORMATS_CONFIG:
2980                 err = atomisp_formats(asd, 1, arg);
2981                 break;
2982         case ATOMISP_IOC_S_EXPOSURE_WINDOW:
2983                 err = atomisp_s_ae_window(asd, arg);
2984                 break;
2985         case ATOMISP_IOC_S_ACC_STATE:
2986                 err = atomisp_acc_set_state(asd, arg);
2987                 break;
2988         case ATOMISP_IOC_G_ACC_STATE:
2989                 err = atomisp_acc_get_state(asd, arg);
2990                 break;
2991         case ATOMISP_IOC_INJECT_A_FAKE_EVENT:
2992                 err = atomisp_inject_a_fake_event(asd, arg);
2993                 break;
2994         case ATOMISP_IOC_G_INVALID_FRAME_NUM:
2995                 err = atomisp_get_invalid_frame_num(vdev, arg);
2996                 break;
2997         case ATOMISP_IOC_S_ARRAY_RESOLUTION:
2998                 err = atomisp_set_array_res(asd, arg);
2999                 break;
3000         default:
3001                 err = -EINVAL;
3002                 break;
3003         }
3004
3005         switch (cmd) {
3006         case ATOMISP_IOC_G_MOTOR_PRIV_INT_DATA:
3007         case ATOMISP_IOC_S_EXPOSURE:
3008         case ATOMISP_IOC_G_SENSOR_CALIBRATION_GROUP:
3009         case ATOMISP_IOC_G_SENSOR_PRIV_INT_DATA:
3010         case ATOMISP_IOC_EXT_ISP_CTRL:
3011         case ATOMISP_IOC_G_SENSOR_AE_BRACKETING_INFO:
3012         case ATOMISP_IOC_S_SENSOR_AE_BRACKETING_MODE:
3013         case ATOMISP_IOC_G_SENSOR_AE_BRACKETING_MODE:
3014         case ATOMISP_IOC_S_SENSOR_AE_BRACKETING_LUT:
3015         case ATOMISP_IOC_G_UPDATE_EXPOSURE:
3016                 break;
3017         default:
3018                 rt_mutex_unlock(&isp->mutex);
3019                 break;
3020         }
3021         return err;
3022 }
3023
3024 const struct v4l2_ioctl_ops atomisp_ioctl_ops = {
3025         .vidioc_querycap = atomisp_querycap,
3026         .vidioc_enum_input = atomisp_enum_input,
3027         .vidioc_g_input = atomisp_g_input,
3028         .vidioc_s_input = atomisp_s_input,
3029         .vidioc_queryctrl = atomisp_queryctl,
3030         .vidioc_s_ctrl = atomisp_s_ctrl,
3031         .vidioc_g_ctrl = atomisp_g_ctrl,
3032         .vidioc_s_ext_ctrls = atomisp_s_ext_ctrls,
3033         .vidioc_g_ext_ctrls = atomisp_g_ext_ctrls,
3034         .vidioc_enum_fmt_vid_cap = atomisp_enum_fmt_cap,
3035         .vidioc_try_fmt_vid_cap = atomisp_try_fmt_cap,
3036         .vidioc_g_fmt_vid_cap = atomisp_g_fmt_cap,
3037         .vidioc_s_fmt_vid_cap = atomisp_s_fmt_cap,
3038         .vidioc_reqbufs = atomisp_reqbufs,
3039         .vidioc_querybuf = atomisp_querybuf,
3040         .vidioc_qbuf = atomisp_qbuf,
3041         .vidioc_dqbuf = atomisp_dqbuf,
3042         .vidioc_streamon = atomisp_streamon,
3043         .vidioc_streamoff = atomisp_streamoff,
3044         .vidioc_default = atomisp_vidioc_default,
3045         .vidioc_s_parm = atomisp_s_parm,
3046         .vidioc_g_parm = atomisp_g_parm,
3047 };
3048
3049 const struct v4l2_ioctl_ops atomisp_file_ioctl_ops = {
3050         .vidioc_querycap = atomisp_querycap,
3051         .vidioc_g_fmt_vid_out = atomisp_g_fmt_file,
3052         .vidioc_s_fmt_vid_out = atomisp_s_fmt_file,
3053         .vidioc_s_parm = atomisp_s_parm_file,
3054         .vidioc_reqbufs = atomisp_reqbufs_file,
3055         .vidioc_querybuf = atomisp_querybuf_file,
3056         .vidioc_qbuf = atomisp_qbuf_file,
3057 };