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[3/4] media: staging: rkisp1: cap: support uv swapped plane formats

Message ID 20200326201610.31762-4-dafna.hirschfeld@collabora.com
State New
Headers show
Series media: staging: rkisp1: cap: various fixes for capture formats | expand

Commit Message

Dafna Hirschfeld March 26, 2020, 8:16 p.m. UTC
Plane formats with the u and v planes swapped can be
supported by changing the address of the cb and cr in
the buffer.

Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>
---
 drivers/staging/media/rkisp1/rkisp1-capture.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
diff mbox series

Patch

diff --git a/drivers/staging/media/rkisp1/rkisp1-capture.c b/drivers/staging/media/rkisp1/rkisp1-capture.c
index fa2849209433..2d274e8f565b 100644
--- a/drivers/staging/media/rkisp1/rkisp1-capture.c
+++ b/drivers/staging/media/rkisp1/rkisp1-capture.c
@@ -41,6 +41,10 @@ 
 	(((write_format) == RKISP1_MI_CTRL_MP_WRITE_YUV_SPLA) ||	\
 	 ((write_format) == RKISP1_MI_CTRL_SP_WRITE_SPLA))
 
+#define RKISP1_IS_PLANAR(write_format)					\
+	(((write_format) == RKISP1_MI_CTRL_SP_WRITE_PLA) ||		\
+	 ((write_format) == RKISP1_MI_CTRL_MP_WRITE_YUV_PLA_OR_RAW8))
+
 enum rkisp1_plane {
 	RKISP1_PLANE_Y	= 0,
 	RKISP1_PLANE_CB	= 1,
@@ -788,6 +792,19 @@  static void rkisp1_vb2_buf_queue(struct vb2_buffer *vb)
 			rkisp1_pixfmt_comp_size(pixm, RKISP1_PLANE_CB);
 	}
 
+	/*
+	 * uv swap can be supported for plane formats by switching
+	 * the address of cb and cr
+	 */
+	if (RKISP1_IS_PLANAR(cap->pix.cfg->write_format) &&
+	    cap->pix.cfg->uv_swap) {
+		ispbuf->buff_addr[RKISP1_PLANE_CR] =
+			ispbuf->buff_addr[RKISP1_PLANE_CB];
+		ispbuf->buff_addr[RKISP1_PLANE_CB] =
+			ispbuf->buff_addr[RKISP1_PLANE_CR] +
+			rkisp1_pixfmt_comp_size(pixm, RKISP1_PLANE_CR);
+	}
+
 	spin_lock_irqsave(&cap->buf.lock, flags);
 
 	/*