driversvideofbdevmxcldb.c
注册handle
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static struct ldb_drv = {
.name = DRIVER_NAME,
.init = ldb_init,
.setup = ldb_setup,
.enable = ldb_enable,
.disable = ldb_disable
};
static int ldb_probe(struct platform_device *pdev)
{
ldb->mddh = mxc_dispdrv_register(&ldb_drv);
new = kzalloc(sizeof(struct mxc_dispdrv_entry), GFP_KERNEL);
new->drv = drv;
list_add_tail(&new->list, &dispdrv_list);
}
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使用
driversvideofbdevmxcmxc_ipuv3_fb.c
获取handle
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static int mxcfb_probe(struct platform_device *pdev)
{
ret = mxcfb_dispdrv_init(pdev, fbi);
mxcfbi->dispdrv = mxc_dispdrv_gethandle(disp_dev, &setting);
list_for_each_entry(entry, &dispdrv_list, list) {
if (!strcmp(entry->drv->name, name) && (entry->drv->init)) {
ret = entry->drv->init((struct mxc_dispdrv_handle *)
entry, setting);
if (ret >= 0) {
entry->active = true;
found = 1;
break;
}
}
}
return found ? (struct mxc_dispdrv_handle *)entry:ERR_PTR(-ENODEV);
}
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使用handle
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static int mxcfb_set_par(struct fb_info *fbi)
{
retval = mxc_fbi->dispdrv->drv->enable(mxc_fbi->dispdrv, fbi);
}
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