gpu: ipu-v3: add driver for Prefetch Resolve Gasket
This adds support for the i.MX6 QUadPlus PRG unit. It glues together the
IPU and the PRE units.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
---
v4: add missing ipu_soc->prg_priv
diff --git a/drivers/gpu/ipu-v3/ipu-prv.h b/drivers/gpu/ipu-v3/ipu-prv.h
index 262efdf..ca2a223 100644
--- a/drivers/gpu/ipu-v3/ipu-prv.h
+++ b/drivers/gpu/ipu-v3/ipu-prv.h
@@ -174,6 +174,7 @@
struct ipu_image_convert_priv;
struct ipu_smfc_priv;
struct ipu_pre;
+struct ipu_prg;
struct ipu_devtype;
@@ -208,6 +209,7 @@
struct ipu_vdi *vdi_priv;
struct ipu_image_convert_priv *image_convert_priv;
struct ipu_smfc_priv *smfc_priv;
+ struct ipu_prg *prg_priv;
};
static inline u32 ipu_idmac_read(struct ipu_soc *ipu, unsigned offset)
@@ -276,6 +278,10 @@
unsigned int stride, u32 format, unsigned int bufaddr);
void ipu_pre_update(struct ipu_pre *pre, unsigned int bufaddr);
+struct ipu_prg *ipu_prg_lookup_by_phandle(struct device *dev, const char *name,
+ int ipu_id);
+
extern struct platform_driver ipu_pre_drv;
+extern struct platform_driver ipu_prg_drv;
#endif /* __IPU_PRV_H__ */