void retro_core_set_memory (RetroCore* self, RetroMemoryType id, guint8* data, int length) {
g_return_if_fail (self != NULL);
g_return_if_fail (data != NULL);
g_return_if_fail (length > 0);
retro_core_push_cb_data (self);
RetroModule* module = self->module;
RetroGetMemoryData get_mem_region = retro_module_get_get_memory_data (module);
RetroGetMemorySize get_mem_region_size = retro_module_get_get_memory_size (module);
guint8* memory_region = get_mem_region (id);
gsize memory_region_size = get_mem_region_size (id);
retro_core_pop_cb_data ();
g_return_if_fail (memory_region != NULL);
g_return_if_fail (memory_region_size == length);
memcpy (memory_region, data, length);
}
static int omapfb_setup_plane(struct fb_info *fbi, struct omapfb_plane_info *pi)
{
struct omapfb_info *ofbi = FB2OFB(fbi);
struct omapfb2_device *fbdev = ofbi->fbdev;
struct omap_overlay *ovl;
struct omap_overlay_info old_info;
struct omapfb2_mem_region *old_rg, *new_rg;
int r = 0;
DBG("omapfb_setup_plane\n");
if (ofbi->num_overlays != 1) {
r = -EINVAL;
goto out;
}
/* XXX uses only the first overlay */
ovl = ofbi->overlays[0];
old_rg = ofbi->region;
new_rg = get_mem_region(ofbi, pi->mem_idx);
if (!new_rg) {
r = -EINVAL;
goto out;
}
/* Take the locks in a specific order to keep lockdep happy */
if (old_rg->id < new_rg->id) {
omapfb_get_mem_region(old_rg);
omapfb_get_mem_region(new_rg);
} else if (new_rg->id < old_rg->id) {
omapfb_get_mem_region(new_rg);
omapfb_get_mem_region(old_rg);
} else
omapfb_get_mem_region(old_rg);
if (pi->enabled && !new_rg->size) {
/*
* This plane's memory was freed, can't enable it
* until it's reallocated.
*/
r = -EINVAL;
goto put_mem;
}
ovl->get_overlay_info(ovl, &old_info);
if (old_rg != new_rg) {
ofbi->region = new_rg;
set_fb_fix(fbi);
}
if (pi->enabled) {
struct omap_overlay_info info;
r = omapfb_setup_overlay(fbi, ovl, pi->pos_x, pi->pos_y,
pi->out_width, pi->out_height);
if (r)
goto undo;
ovl->get_overlay_info(ovl, &info);
if (!info.enabled) {
info.enabled = pi->enabled;
r = ovl->set_overlay_info(ovl, &info);
if (r)
goto undo;
}
} else {
struct omap_overlay_info info;
ovl->get_overlay_info(ovl, &info);
info.enabled = pi->enabled;
info.pos_x = pi->pos_x;
info.pos_y = pi->pos_y;
info.out_width = pi->out_width;
info.out_height = pi->out_height;
r = ovl->set_overlay_info(ovl, &info);
if (r)
goto undo;
}
if (ovl->manager)
ovl->manager->apply(ovl->manager);
/* Release the locks in a specific order to keep lockdep happy */
if (old_rg->id > new_rg->id) {
omapfb_put_mem_region(old_rg);
omapfb_put_mem_region(new_rg);
} else if (new_rg->id > old_rg->id) {
omapfb_put_mem_region(new_rg);
omapfb_put_mem_region(old_rg);
} else
omapfb_put_mem_region(old_rg);
return 0;
undo:
if (old_rg != new_rg) {
ofbi->region = old_rg;
set_fb_fix(fbi);
}
ovl->set_overlay_info(ovl, &old_info);
put_mem:
/* Release the locks in a specific order to keep lockdep happy */
if (old_rg->id > new_rg->id) {
omapfb_put_mem_region(old_rg);
omapfb_put_mem_region(new_rg);
} else if (new_rg->id > old_rg->id) {
omapfb_put_mem_region(new_rg);
omapfb_put_mem_region(old_rg);
} else
omapfb_put_mem_region(old_rg);
out:
dev_err(fbdev->dev, "setup_plane failed\n");
return r;
}
