/*
 * Copyright (C) 2017 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#define _GNU_SOURCE
#include <unistd.h>
#include <fcntl.h>
#include <sys/syscall.h>
#include <stdio.h>
#include <string.h>
#include <stdint.h>
#include <pthread.h>

#define MSM_SD_SHUTDOWN 0xc00856dd
#define VIDIOC_MSM_ISPIF_CFG 0xc17056c0

struct ispif_cfg_data {
  int32_t  cfg_type;
  union {
    int reg_dump;                        /* ISPIF_ENABLE_REG_DUMP */
    uint32_t csid_version;               /* ISPIF_INIT */
    //struct msm_ispif_vfe_info vfe_info;  /* ISPIF_SET_VFE_INFO */
    //struct msm_ispif_param_data params;  /* CFG, START, STOP */
  };
};

long r[11];

int fd;
struct ispif_cfg_data data;

void *worker_thread(void *arg) {

  int arg1[3] =  {0};
  switch ((long)arg) {
  case 0:
    data.cfg_type = 8; ////release
    ioctl(fd, VIDIOC_MSM_ISPIF_CFG, &data);
    break;
  case 1:
    ioctl(fd, MSM_SD_SHUTDOWN, &arg1);
    break;
  }
  return NULL;
}

int main() {

  int pid,i;
  pthread_t th[4];
  fd = open( "/dev/v4l-subdev17", 0x0ul );

  printf("please wait for several seconds...\n");

  while(1){

    data.cfg_type = 2; ////init
    data.csid_version = 1;
    ioctl(fd, VIDIOC_MSM_ISPIF_CFG, &data);

    for (i = 0; i < 2; i++) {
      pthread_create(&th[i], 0, worker_thread, (void *)(long)i);
      usleep(10);
    }
  }
  return 0;
}