1 /*
2 * Copyright (C) 2017 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 #define _GNU_SOURCE
17 #include <unistd.h>
18 #include <fcntl.h>
19 #include <sys/syscall.h>
20 #include <stdio.h>
21 #include <string.h>
22 #include <stdint.h>
23 #include <pthread.h>
24
25 #define MSM_SD_SHUTDOWN 0xc00856dd
26 #define VIDIOC_MSM_ISPIF_CFG 0xc17056c0
27
28 struct ispif_cfg_data {
29 int32_t cfg_type;
30 union {
31 int reg_dump; /* ISPIF_ENABLE_REG_DUMP */
32 uint32_t csid_version; /* ISPIF_INIT */
33 //struct msm_ispif_vfe_info vfe_info; /* ISPIF_SET_VFE_INFO */
34 //struct msm_ispif_param_data params; /* CFG, START, STOP */
35 };
36 };
37
38 long r[11];
39
40 int fd;
41 struct ispif_cfg_data data;
42
worker_thread(void * arg)43 void *worker_thread(void *arg) {
44
45 int arg1[3] = {0};
46 switch ((long)arg) {
47 case 0:
48 data.cfg_type = 8; ////release
49 ioctl(fd, VIDIOC_MSM_ISPIF_CFG, &data);
50 break;
51 case 1:
52 ioctl(fd, MSM_SD_SHUTDOWN, &arg1);
53 break;
54 }
55 return NULL;
56 }
57
main()58 int main() {
59
60 int pid,i;
61 pthread_t th[4];
62 fd = open( "/dev/v4l-subdev17", 0x0ul );
63
64 printf("please wait for several seconds...\n");
65
66 while(1){
67
68 data.cfg_type = 2; ////init
69 data.csid_version = 1;
70 ioctl(fd, VIDIOC_MSM_ISPIF_CFG, &data);
71
72 for (i = 0; i < 2; i++) {
73 pthread_create(&th[i], 0, worker_thread, (void *)(long)i);
74 usleep(10);
75 }
76 }
77 return 0;
78 }
79