Add CCI_REG_WIDTH() macro to obtain register width in bits and similarly,
CCI_REG_WIDTH_BYTES() to obtain it in bytes.
Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
---
include/media/v4l2-cci.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/include/media/v4l2-cci.h b/include/media/v4l2-cci.h
index b4ce0a46092c..80eaa7fdc606 100644
--- a/include/media/v4l2-cci.h
+++ b/include/media/v4l2-cci.h
@@ -40,6 +40,9 @@ struct cci_reg_sequence {
#define CCI_REG_FLAG_PRIVATE_END 31U
#define CCI_REG_PRIVATE_MASK GENMASK(CCI_REG_FLAG_PRIVATE_END, CCI_REG_FLAG_PRIVATE_START)
+#define CCI_REG_WIDTH_BYTES(x) (((x) & CCI_REG_WIDTH_MASK) >> CCI_REG_WIDTH_SHIFT)
+#define CCI_REG_WIDTH(x) (CCI_REG_WIDTH_BYTES(x) << 3)
+
#define CCI_REG8(x) ((1 << CCI_REG_WIDTH_SHIFT) | (x))
#define CCI_REG16(x) ((2 << CCI_REG_WIDTH_SHIFT) | (x))
#define CCI_REG24(x) ((3 << CCI_REG_WIDTH_SHIFT) | (x))
--
2.39.2
