1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/staging/media/rkisp1/rkisp1-common.c b/drivers/staging/media/rkisp1/rkisp1-common.c
new file mode 100644
index 000000000000..cf889666e166
--- /dev/null
+++ b/drivers/staging/media/rkisp1/rkisp1-common.c
@@ -0,0 +1,37 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Rockchip ISP1 Driver - Common definitions
+ *
+ * Copyright (C) 2019 Collabora, Ltd.
+ */
+
+#include <media/v4l2-rect.h>
+
+#include "rkisp1-common.h"
+
+static const struct v4l2_rect rkisp1_sd_min_crop = {
+	.width = RKISP1_ISP_MIN_WIDTH,
+	.height = RKISP1_ISP_MIN_HEIGHT,
+	.top = 0,
+	.left = 0,
+};
+
+void rkisp1_sd_adjust_crop_rect(struct v4l2_rect *crop,
+				const struct v4l2_rect *bounds)
+{
+	v4l2_rect_set_min_size(crop, &rkisp1_sd_min_crop);
+	v4l2_rect_map_inside(crop, bounds);
+}
+
+void rkisp1_sd_adjust_crop(struct v4l2_rect *crop,
+			   const struct v4l2_mbus_framefmt *bounds)
+{
+	struct v4l2_rect crop_bounds = {
+		.left = 0,
+		.top = 0,
+		.width = bounds->width,
+		.height = bounds->height,
+	};
+
+	rkisp1_sd_adjust_crop_rect(crop, &crop_bounds);
+}