gpu: ipu-v3: Add SMFC code

The Sensor Multi Fifo Controller (SMFC) is used as a buffer between
the two CSIs (writing simultaneously) and up to four IDMAC channels.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/gpu/ipu-v3/ipu-prv.h b/drivers/gpu/ipu-v3/ipu-prv.h
index 5cb075fdd48c..acf181183f0b 100644
--- a/drivers/gpu/ipu-v3/ipu-prv.h
+++ b/drivers/gpu/ipu-v3/ipu-prv.h
@@ -151,6 +151,8 @@ struct ipuv3_channel {
 struct ipu_dc_priv;
 struct ipu_dmfc_priv;
 struct ipu_di;
+struct ipu_smfc_priv;
+
 struct ipu_devtype;
 
 struct ipu_soc {
@@ -178,6 +180,7 @@ struct ipu_soc {
         struct ipu_dp_priv      *dp_priv;
         struct ipu_dmfc_priv    *dmfc_priv;
         struct ipu_di           *di_priv[2];
+        struct ipu_smfc_priv    *smfc_priv;
 };
 
 void ipu_srm_dp_sync_update(struct ipu_soc *ipu);
@@ -203,4 +206,7 @@ void ipu_dc_exit(struct ipu_soc *ipu);
 int ipu_cpmem_init(struct ipu_soc *ipu, struct device *dev, unsigned long base);
 void ipu_cpmem_exit(struct ipu_soc *ipu);
 
+int ipu_smfc_init(struct ipu_soc *ipu, struct device *dev, unsigned long base);
+void ipu_smfc_exit(struct ipu_soc *ipu);
+
 #endif                          /* __IPU_PRV_H__ */