1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Copyright (c) 2022 Rockchip Corporation
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * Licensed under the Apache License, Version 2.0 (the "License");
5*4882a593Smuzhiyun * you may not use this file except in compliance with the License.
6*4882a593Smuzhiyun * You may obtain a copy of the License at
7*4882a593Smuzhiyun *
8*4882a593Smuzhiyun * http://www.apache.org/licenses/LICENSE-2.0
9*4882a593Smuzhiyun *
10*4882a593Smuzhiyun * Unless required by applicable law or agreed to in writing, software
11*4882a593Smuzhiyun * distributed under the License is distributed on an "AS IS" BASIS,
12*4882a593Smuzhiyun * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13*4882a593Smuzhiyun * See the License for the specific language governing permissions and
14*4882a593Smuzhiyun * limitations under the License.
15*4882a593Smuzhiyun *
16*4882a593Smuzhiyun */
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun #include "RkIspFecHw.h"
19*4882a593Smuzhiyun #include <errno.h>
20*4882a593Smuzhiyun #include <fcntl.h>
21*4882a593Smuzhiyun #include <stdio.h>
22*4882a593Smuzhiyun #include <stdlib.h>
23*4882a593Smuzhiyun #include <sys/ioctl.h>
24*4882a593Smuzhiyun #include <sys/types.h>
25*4882a593Smuzhiyun #include <string.h>
26*4882a593Smuzhiyun #include <unistd.h>
27*4882a593Smuzhiyun #include <linux/videodev2.h>
28*4882a593Smuzhiyun
29*4882a593Smuzhiyun namespace RKISPFEC {
30*4882a593Smuzhiyun
RkIspFecHw(const char * dev)31*4882a593Smuzhiyun RkIspFecHw::RkIspFecHw(const char* dev)
32*4882a593Smuzhiyun {
33*4882a593Smuzhiyun printf("I: open fec dev %s\n", dev);
34*4882a593Smuzhiyun mFd = ::open(dev, O_RDWR | O_CLOEXEC);
35*4882a593Smuzhiyun if (mFd == -1)
36*4882a593Smuzhiyun printf("E: open %s failed %s !", dev, strerror(errno));
37*4882a593Smuzhiyun printf("I: open fec dev %s done !\n", dev);
38*4882a593Smuzhiyun }
39*4882a593Smuzhiyun
~RkIspFecHw()40*4882a593Smuzhiyun RkIspFecHw::~RkIspFecHw()
41*4882a593Smuzhiyun {
42*4882a593Smuzhiyun if (mFd >= 0 )
43*4882a593Smuzhiyun ::close(mFd);
44*4882a593Smuzhiyun }
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun int
process(struct rkispp_fec_in_out & param)47*4882a593Smuzhiyun RkIspFecHw::process(struct rkispp_fec_in_out& param)
48*4882a593Smuzhiyun {
49*4882a593Smuzhiyun if (mFd < 0) {
50*4882a593Smuzhiyun printf("E: wrong fec fd \n");
51*4882a593Smuzhiyun return -1;
52*4882a593Smuzhiyun }
53*4882a593Smuzhiyun
54*4882a593Smuzhiyun int ret = ioctl(mFd, RKISPP_CMD_FEC_IN_OUT, ¶m);
55*4882a593Smuzhiyun
56*4882a593Smuzhiyun if (ret == -EAGAIN) // try again
57*4882a593Smuzhiyun ret = ioctl(mFd, RKISPP_CMD_FEC_IN_OUT, ¶m);
58*4882a593Smuzhiyun
59*4882a593Smuzhiyun return ret;
60*4882a593Smuzhiyun }
61*4882a593Smuzhiyun
62*4882a593Smuzhiyun };
63