blob: 046ca1e0799ae3714deb0a10675136624a20e192 [file] [log] [blame]
/*
* Copyright (c) 2014, The Linux Foundation. All rights reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of The Linux Foundation nor
* the names of its contributors may be used to endorse or promote
* products derived from this software without specific prior written
* permission.
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "FmIoctlsInterface.h"
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <fcntl.h>
#include <utils/Log.h>
#include <cutils/properties.h>
#include <sys/ioctl.h>
#include <linux/videodev2.h>
#include <math.h>
char const * const FmIoctlsInterface::LOGTAG = "FmIoctlsInterface";
int FmIoctlsInterface :: get_cur_freq
(
UINT fd, long &freq
)
{
int ret;
struct v4l2_frequency channel;
channel.type = V4L2_TUNER_RADIO;
ret = ioctl(fd, VIDIOC_G_FREQUENCY, &channel);
if(ret < IOCTL_SUCC) {
return FM_FAILURE;
}else {
freq = (channel.frequency / TUNE_MULT);
return FM_SUCCESS;
}
}
int FmIoctlsInterface :: set_freq
(
UINT fd, ULINT freq
)
{
int ret;
struct v4l2_frequency channel;
channel.type = V4L2_TUNER_RADIO;
channel.frequency = (freq * TUNE_MULT);
ret = ioctl(fd, VIDIOC_S_FREQUENCY, &channel);
if(ret < IOCTL_SUCC) {
return FM_FAILURE;
}else {
return FM_SUCCESS;
}
}
int FmIoctlsInterface :: set_control
(
UINT fd, UINT id, int val
)
{
int ret;
struct v4l2_control control;
control.value = val;
control.id = id;
for(int i = 0; i < 3; i++) {
ret = ioctl(fd, VIDIOC_S_CTRL, &control);
if(ret < IOCTL_SUCC) {
ret = FM_FAILURE;
}else {
ret = FM_SUCCESS;
break;
}
}
return ret;
}
int FmIoctlsInterface :: set_calibration
(
UINT fd
)
{
int ret;
FILE *cal_fp;
struct v4l2_ext_control ext_ctl;
struct v4l2_ext_controls v4l2_ctls;
char cal_data[CAL_DATA_SIZE] = {0};
cal_fp = fopen(CALIB_DATA_NAME, "r");
if(cal_fp != NULL) {
if(fread(&cal_data[0], 1, CAL_DATA_SIZE, cal_fp)
< CAL_DATA_SIZE) {
fclose(cal_fp);
ALOGE("%s: calibration file read failed\n", LOGTAG);
return FM_FAILURE;
}
fclose(cal_fp);
ext_ctl.id = V4L2_CID_PRV_SET_CALIBRATION;
ext_ctl.string = cal_data;
ext_ctl.size = CAL_DATA_SIZE;
v4l2_ctls.ctrl_class = V4L2_CTRL_CLASS_USER;
v4l2_ctls.count = 1;
v4l2_ctls.controls = &ext_ctl;
ret = ioctl(fd, VIDIOC_S_EXT_CTRLS, &v4l2_ctls);
if(ret < IOCTL_SUCC) {
ALOGE("%s: ioctl call failed\n", LOGTAG);
return FM_FAILURE;
}else {
return FM_SUCCESS;
}
}else {
return FM_SUCCESS;
}
}
int FmIoctlsInterface :: get_control
(
UINT fd, UINT id, long &val
)
{
int ret;
struct v4l2_control control;
control.id = id;
ret = ioctl(fd, VIDIOC_G_CTRL, &control);
if(ret < IOCTL_SUCC) {
return FM_FAILURE;
}else {
val = control.value;
return FM_SUCCESS;
}
}
int FmIoctlsInterface :: start_search
(
UINT fd, UINT dir
)
{
int ret;
struct v4l2_hw_freq_seek hw_seek;
hw_seek.seek_upward = dir;
hw_seek.type = V4L2_TUNER_RADIO;
ret = ioctl(fd, VIDIOC_S_HW_FREQ_SEEK, &hw_seek);
if(ret < IOCTL_SUCC) {
return FM_FAILURE;
}else {
return FM_SUCCESS;
}
}
int FmIoctlsInterface :: set_band
(
UINT fd, ULINT low, ULINT high
)
{
int ret;
struct v4l2_tuner tuner;
tuner.index = 0;
tuner.signal = 0;
tuner.rangelow = (low * TUNE_MULT);
tuner.rangehigh = (high * TUNE_MULT);
ret = ioctl(fd, VIDIOC_S_TUNER, &tuner);
ret = set_control(fd, V4L2_CID_PRV_REGION, 0);
if(ret < IOCTL_SUCC) {
return FM_FAILURE;
}else {
return FM_SUCCESS;
}
}
int FmIoctlsInterface :: get_rmssi
(
UINT fd, long &rmssi
)
{
struct v4l2_tuner tuner;
int ret;
tuner.index = 0;
tuner.signal = 0;
ret = ioctl(fd, VIDIOC_G_TUNER, &tuner);
if(ret < IOCTL_SUCC) {
ret = FM_FAILURE;
}else {
rmssi = tuner.signal;
ret = FM_SUCCESS;
}
return ret;
}
int FmIoctlsInterface :: get_upperband_limit
(
UINT fd, ULINT &freq
)
{
int ret;
struct v4l2_tuner tuner;
tuner.index = 0;
ret = ioctl(fd, VIDIOC_G_TUNER, &tuner);
if(ret < IOCTL_SUCC) {
return FM_FAILURE;
}else {
freq = (tuner.rangehigh / TUNE_MULT);
return FM_SUCCESS;
}
}
int FmIoctlsInterface :: get_lowerband_limit
(
UINT fd, ULINT &freq
)
{
int ret;
struct v4l2_tuner tuner;
tuner.index = 0;
ret = ioctl(fd, VIDIOC_G_TUNER, &tuner);
if(ret < IOCTL_SUCC) {
return FM_FAILURE;
}else {
freq = (tuner.rangelow / TUNE_MULT);
return FM_SUCCESS;
}
}
int FmIoctlsInterface :: set_audio_mode
(
UINT fd, enum AUDIO_MODE mode
)
{
int ret;
struct v4l2_tuner tuner;
tuner.index = 0;
ret = ioctl(fd, VIDIOC_G_TUNER, &tuner);
if(ret < IOCTL_SUCC) {
return FM_FAILURE;
}else {
tuner.audmode = mode;
ret = ioctl(fd, VIDIOC_S_TUNER, &tuner);
if(ret < IOCTL_SUCC) {
return FM_FAILURE;
}else {
return FM_SUCCESS;
}
}
}
int FmIoctlsInterface :: get_buffer
(
UINT fd, char *buff, UINT len, UINT index
)
{
int ret;
struct v4l2_buffer v4l2_buf;
if((len < STD_BUF_SIZE) || (buff == NULL)) {
return FM_FAILURE;
}else {
memset(&v4l2_buf, 0, sizeof(v4l2_buf));
v4l2_buf.index = index;
v4l2_buf.type = V4L2_BUF_TYPE_PRIVATE;
v4l2_buf.length = STD_BUF_SIZE;
v4l2_buf.m.userptr = (ULINT)buff;
ret = ioctl(fd, VIDIOC_DQBUF, &v4l2_buf);
if(ret < IOCTL_SUCC) {
return FM_FAILURE;
}else {
return v4l2_buf.bytesused;
}
}
}
int FmIoctlsInterface :: set_ext_control
(
UINT fd,
struct v4l2_ext_controls *v4l2_ctls
)
{
int ret;
ret = ioctl(fd, VIDIOC_S_EXT_CTRLS, v4l2_ctls);
if(ret < IOCTL_SUCC) {
return FM_FAILURE;
}else {
return FM_SUCCESS;
}
}