+/*
+ * picorestore - clean up after an omapfb program crash
+ *
+ * Copyright (c) GraÅžvydas "notaz" Ignotas, 2010
+ *
+ * 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 organization 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 AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDER 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 <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <linux/fb.h>
+#include <linux/omapfb.h>
#include <linux/kd.h>
int main()
{
struct fb_var_screeninfo fbvar;
+ struct omapfb_plane_info pi;
+ struct omapfb_mem_info mi;
int ret, fbdev, kbdfd;
fbdev = open("/dev/fb0", O_RDWR);
if (fbdev == -1) {
- perror("open");
- return 1;
+ perror("open fb0");
+ goto end_fb0;
}
ret = ioctl(fbdev, FBIOGET_VSCREENINFO, &fbvar);
if (ret == -1) {
perror("FBIOGET_VSCREENINFO ioctl");
- goto end_fb;
+ goto end_fb0;
}
if (fbvar.yoffset != 0) {
printf("ok\n");
}
-end_fb:
- close(fbdev);
+end_fb0:
+ if (fbdev >= 0)
+ close(fbdev);
+
+ fbdev = open("/dev/fb1", O_RDWR);
+ if (fbdev == -1) {
+ perror("open fb1");
+ goto end_fb1;
+ }
+
+ ret = ioctl(fbdev, OMAPFB_QUERY_PLANE, &pi);
+ ret |= ioctl(fbdev, OMAPFB_QUERY_MEM, &mi);
+ if (ret != 0)
+ perror("QUERY_*");
+
+ pi.enabled = 0;
+ ret = ioctl(fbdev, OMAPFB_SETUP_PLANE, &pi);
+ if (ret != 0)
+ perror("SETUP_PLANE");
+
+ mi.size = 0;
+ ret = ioctl(fbdev, OMAPFB_SETUP_MEM, &mi);
+ if (ret != 0)
+ perror("SETUP_MEM");
+
+end_fb1:
+ if (fbdev >= 0)
+ close(fbdev);
kbdfd = open("/dev/tty", O_RDWR);
if (kbdfd == -1) {