int proc_video_pal_h_start_write(struct file* file, const char __user* buf, unsigned long count, void* data)
{
char* page;
ssize_t ret = -ENOMEM;
/* int result; */
int value;
char* myString = kmalloc(count + 1, GFP_KERNEL);
#ifdef VERY_VERBOSE
printk("%s %ld - ", __FUNCTION__, count);
#endif
mutex_lock(&(ProcDeviceContext->DvbContext->Lock));
page = (char*)__get_free_page(GFP_KERNEL);
if (page)
{
void* fb;
struct fb_info* info;
struct fb_var_screeninfo screen_info;
int createNew = 0;
ret = -EFAULT;
if (copy_from_user(page, buf, count))
goto out;
strncpy(myString, page, count);
myString[count] = '\0';
#ifdef VERY_VERBOSE
printk("%s\n", myString);
#endif
sscanf(myString, "%x", &value);
fb = stmfb_get_fbinfo_ptr();
info = (struct fb_info*) fb;
memcpy(&screen_info, &info->var, sizeof(struct fb_var_screeninfo));
if (fb != NULL)
{
int err;
/* otherwise we got EBUSY from stmfb device */
/* Dagobert: Bugfix: "demux stop" bug; ticket #10 */
if (ProcDeviceContext != NULL)
{
if (ProcDeviceContext->VideoState.play_state != VIDEO_STOPPED)
VideoIoctlStop(ProcDeviceContext, 1);
if (isDisplayCreated(BACKEND_VIDEO_ID, ProcDeviceContext->Id))
{
createNew = 1;
#ifdef VERY_VERBOSE
printk("delete display\n");
#endif
DvbDisplayDelete(BACKEND_VIDEO_ID, ProcDeviceContext->Id);
}
}
info->flags |= FBINFO_MISC_USEREVENT;
screen_info.left_margin = value;
err = fb_set_var(fb, &screen_info);
if (err != 0)
printk("error setting new resolution %d\n", err);
if ((ProcDeviceContext != NULL) && (createNew == 1))
{
#ifdef VERY_VERBOSE
printk("create new display\n");
#endif
DisplayCreate(BACKEND_VIDEO_ID, ProcDeviceContext->Id);
VideoIoctlPlay(ProcDeviceContext);
err = DvbStreamSetOutputWindow(ProcDeviceContext->VideoStream,
0, 0, screen_info.xres, screen_info.yres);
if (err != 0)
{
printk("failed to set output window %d, %d, %d\n", screen_info.xres, screen_info.yres, err);
}
#ifdef VERY_VERBOSE
else
printk("set output window to %d, %d ok\n", screen_info.xres, screen_info.yres);
#endif
}
}
else
{
printk("Cannot get stmfb_info struct\n");
}
/* always return count to avoid endless loop */
ret = count;
}
out:
free_page((unsigned long)page);
kfree(myString);
mutex_unlock(&(ProcDeviceContext->DvbContext->Lock));
return ret;
}
int proc_vmpeg_0_dst_all_write(struct file *file, const char __user *buf, unsigned long count, void *data)
{
char *page;
ssize_t ret = -ENOMEM;
int err, x, y;
void* fb;
struct fb_info *info;
struct fb_var_screeninfo screen_info;
char* myString = kmalloc(count + 1, GFP_KERNEL);
struct DeviceContext_s *pContext = (struct DeviceContext_s*)data;
#ifdef VERY_VERBOSE
printk("%s %d - ", __FUNCTION__, (unsigned int)count);
#endif
fb = stmfb_get_fbinfo_ptr();
info = (struct fb_info*) fb;
memcpy(&screen_info, &info->var, sizeof(struct fb_var_screeninfo));
if (fb != NULL)
{
y = screen_info.yres;
x = screen_info.xres;
}
else
{
y = 576;
x = 720;
}
page = (char *)__get_free_page(GFP_KERNEL);
if (page)
{
int l, t, w, h;
ret = -EFAULT;
if (copy_from_user(page, buf, count))
goto out;
strncpy(myString, page, count);
myString[count] = '\0';
#ifdef VERY_VERBOSE
printk("%s\n", myString);
#endif
sscanf(myString, "%x %x %x %x", &l ,&t, &w, &h);
#ifdef VERY_VERBOSE
printk("%x, %x, %x, %x\n", l, t, w, h);
#endif
if (pContext != NULL)
{
mutex_lock (&(pContext->DvbContext->Lock));
h = y*h/576;
w = x*w/720;
l = x*l/720;
t = y*t/576;
#ifdef VERY_VERBOSE
printk("%x, %x, %x, %x\n", l, t, w, h);
#endif
err = DvbStreamSetOutputWindow(pContext->VideoStream, l, t, w, h);
if (err != 0)
printk("failed to set output window %d\n", err);
#ifdef VERY_VERBOSE
else
printk("set output window ok %d %d %d %d\n", l, t, w, h);
#endif
mutex_unlock (&(pContext->DvbContext->Lock));
}
/* always return count to avoid endless loop */
ret = count;
}
out:
free_page((unsigned long)page);
kfree(myString);
return ret;
}
/* hack hack ;-) */
int proc_video_videomode_write(struct file* file, const char __user* buf, unsigned long count, void* data)
{
char* page;
ssize_t ret = -ENOMEM;
/* int result; */
int vLoop;
int new_count;
char* myString = kmalloc(count + 1, GFP_KERNEL);
void* fb;
struct fb_info *info;
#ifdef VERY_VERBOSE
printk("%s %ld - ", __FUNCTION__, count);
#endif
mutex_lock(&(ProcDeviceContext->DvbContext->Lock));
fb = stmfb_get_fbinfo_ptr();
info = (struct fb_info*) fb;
page = (char*)__get_free_page(GFP_KERNEL);
if (page)
{
int modeToSet = -1;
int aktmode = -1;
ret = -EFAULT;
if (copy_from_user(page, buf, count))
goto out;
/* Dagobert: echo add a \n which will be counted as a char */
if (page[count - 1] == '\n')
new_count = count - 1;
else
new_count = count;
strncpy(myString, page, new_count);
myString[new_count] = '\0';
#ifdef VERY_VERBOSE
printk("%s\n", myString);
#endif
//whithout -1 write a unsupportet string hangs the driver
for (vLoop = 0; vLoop < (sizeof(Options) / sizeof(struct Modes)) - 1; vLoop++)
{
if (Options[vLoop].xres == info->var.xres &&
Options[vLoop].yres == info->var.yres &&
Options[vLoop].vxres == info->var.xres_virtual &&
Options[vLoop].vyres == info->var.yres_virtual &&
Options[vLoop].pixclock == info->var.pixclock &&
Options[vLoop].left == info->var.left_margin &&
Options[vLoop].right == info->var.right_margin &&
Options[vLoop].upper == info->var.upper_margin &&
Options[vLoop].lower == info->var.lower_margin &&
Options[vLoop].hslen == info->var.hsync_len &&
Options[vLoop].vslen == info->var.vsync_len &&
Options[vLoop].sync == info->var.sync/* &&
Options[vLoop].vmode == info->var.vmode*/)
{
aktmode = vLoop;
}
if (strncmp(myString, Options[vLoop].name, new_count) == 0)
{
printk("Found mode to set %s at %d\n", Options[vLoop].name, vLoop);
modeToSet = vLoop;
}
}
if (aktmode == modeToSet)
modeToSet = -1;
if (modeToSet != -1)
{
struct fb_var_screeninfo screen_info;
int createNew = 0;
memcpy(&screen_info, &info->var, sizeof(struct fb_var_screeninfo));
if (fb != NULL)
{
int err;
/* otherwise we got EBUSY from stmfb device */
/* Dagobert: Bugfix: "demux stop" bug; ticket #10 */
if (ProcDeviceContext != NULL)
{
if (ProcDeviceContext->VideoState.play_state != VIDEO_STOPPED)
VideoIoctlStop(ProcDeviceContext, 1);
if (isDisplayCreated(BACKEND_VIDEO_ID, ProcDeviceContext->Id))
{
createNew = 1;
#ifdef VERY_VERBOSE
printk("delete display\n");
#endif
DvbDisplayDelete(BACKEND_VIDEO_ID, ProcDeviceContext->Id);
}
}
info->flags |= FBINFO_MISC_USEREVENT;
screen_info.xres = Options[modeToSet].xres; /* visible resolution */
screen_info.yres = Options[modeToSet].yres;
screen_info.xres_virtual = Options[modeToSet].vxres; /* virtual resolution */
screen_info.yres_virtual = Options[modeToSet].vyres;
screen_info.pixclock = Options[modeToSet].pixclock;
screen_info.left_margin = Options[modeToSet].left;
screen_info.right_margin = Options[modeToSet].right;
screen_info.upper_margin = Options[modeToSet].upper;
screen_info.lower_margin = Options[modeToSet].lower;
screen_info.hsync_len = Options[modeToSet].hslen;
screen_info.vsync_len = Options[modeToSet].vslen;
screen_info.sync = Options[modeToSet].sync;
screen_info.vmode = Options[modeToSet].vmode;
screen_info.activate = FB_ACTIVATE_FORCE;
err = fb_set_var(fb, &screen_info);
if (err != 0)
printk("error setting new resolution %d\n", err);
if ((ProcDeviceContext != NULL) && (createNew == 1))
{
#ifdef VERY_VERBOSE
printk("create new display\n");
#endif
DisplayCreate(BACKEND_VIDEO_ID, ProcDeviceContext->Id);
VideoIoctlPlay(ProcDeviceContext);
err = DvbStreamSetOutputWindow(ProcDeviceContext->VideoStream,
0, 0, Options[modeToSet].xres, Options[modeToSet].yres);
if (err != 0)
{
printk("failed to set output window %d, %d, %d\n", Options[modeToSet].xres, Options[modeToSet].yres, err);
}
#ifdef VERY_VERBOSE
else
printk("set output window to %d, %d ok\n", Options[modeToSet].xres, Options[modeToSet].yres);
#endif
}
}
else
{
printk("Cannot get stmfb_info struct\n");
}
}
/* always return count to avoid endless loop */
ret = count;
}
out:
free_page((unsigned long)page);
kfree(myString);
mutex_unlock(&(ProcDeviceContext->DvbContext->Lock));
return ret;
}
