Each Gen3 SoC have a limited set of predefined routing possibilities for
which CSI2 device and virtual channel can be routed to which VIN
instance. Prepare to store this information in the struct rvin_info.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx>
---
drivers/media/platform/rcar-vin/rcar-vin.h | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/drivers/media/platform/rcar-vin/rcar-vin.h b/drivers/media/platform/rcar-vin/rcar-vin.h
index 90c28a7..cd7d959 100644
--- a/drivers/media/platform/rcar-vin/rcar-vin.h
+++ b/drivers/media/platform/rcar-vin/rcar-vin.h
@@ -35,6 +35,9 @@
/* Max number on VIN instances that can be in a system */
#define RCAR_VIN_NUM 8
+/* Max number of CHSEL values for any Gen3 SoC */
+#define RCAR_CHSEL_MAX 6
+
enum chip_id {
RCAR_H1,
RCAR_M1,
@@ -111,6 +114,16 @@ struct rvin_graph_entity {
struct rvin_group;
+
+/** struct rvin_group_chsel - Map a CSI2 device and channel for a CHSEL value
+ * @csi: VIN internal number for CSI2 device
+ * @chan: CSI2 VC number on remote
+ */
+struct rvin_group_chsel {
+ enum rvin_csi_id csi;
+ int chan;
+};
+
/**
* struct rvin_info- Information about the particular VIN implementation
* @chip: type of VIN chip
@@ -123,6 +136,9 @@ struct rvin_info {
unsigned int max_width;
unsigned int max_height;
+
+ unsigned int num_chsels;
+ struct rvin_group_chsel chsels[RCAR_VIN_NUM][RCAR_CHSEL_MAX];
};
/**
--
2.10.2
--
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