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>
diff --git a/drivers/gpu/ipu-v3/ipu-common.c b/drivers/gpu/ipu-v3/ipu-common.c
index 7e1f614..2aecc47 100644
--- a/drivers/gpu/ipu-v3/ipu-common.c
+++ b/drivers/gpu/ipu-v3/ipu-common.c
@@ -874,8 +874,17 @@
goto err_dp;
}
+ ret = ipu_smfc_init(ipu, dev, ipu_base +
+ devtype->cm_ofs + IPU_CM_SMFC_REG_OFS);
+ if (ret) {
+ unit = "smfc";
+ goto err_smfc;
+ }
+
return 0;
+err_smfc:
+ ipu_dp_exit(ipu);
err_dp:
ipu_dmfc_exit(ipu);
err_dmfc:
@@ -947,6 +956,7 @@
static void ipu_submodules_exit(struct ipu_soc *ipu)
{
+ ipu_smfc_exit(ipu);
ipu_dp_exit(ipu);
ipu_dmfc_exit(ipu);
ipu_dc_exit(ipu);