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[RFC,v2,06/10] uapi: drm: New fourcc codes needed by Xilinx Video IP

Message ID 1516932247-10750-7-git-send-email-hyun.kwon@xilinx.com (mailing list archive)
State New, archived
Headers show

Commit Message

Hyun Kwon Jan. 26, 2018, 2:04 a.m. UTC 
From: Jeffrey Mouroux <jmouroux@xilinx.com>

The Xilinx Video Mixer andn Xilinx Video Framebuffer DMA IP
support video memory formats that are not represented in the
current DRM fourcc library.  This patch adds those missing
fourcc codes.

Signed-off-by: Jeffrey Mouroux <jmouroux@xilinx.com>
Signed-off-by: Hyun Kwon <hyun.kwon@xilinx.com>
---
v2
- Add detailed descriptions
- Remove formats with no user
---
---
 include/uapi/drm/drm_fourcc.h | 8 ++++++++
 1 file changed, 8 insertions(+)
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Patch

diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
index e04613d..6ac5282 100644
--- a/include/uapi/drm/drm_fourcc.h
+++ b/include/uapi/drm/drm_fourcc.h
@@ -142,6 +142,14 @@  extern "C" {
 #define DRM_FORMAT_NV42		fourcc_code('N', 'V', '4', '2') /* non-subsampled Cb:Cr plane */
 
 /*
+ * 2 plane 10 bit per component YCbCr
+ * index 0 = Y plane, [31:0] x:Y2:Y1:Y0 2:10:10:10 little endian
+ * index 1 = Cb:Cr plane, [63:0] x:Cb2:Cr2:Cb1:x:Cr1:Cb0:Cr0 2:10:10:10:2:10:10:10 little endian
+ */
+#define DRM_FORMAT_XV15		fourcc_code('X', 'V', '1', '5') /* 2x2 subsampled Cb:Cr plane 2:10:10:10 */
+#define DRM_FORMAT_XV20		fourcc_code('X', 'V', '2', '0') /* 2x1 subsampled Cb:Cr plane 2:10:10:10 */
+
+/*
  * 3 plane YCbCr
  * index 0: Y plane, [7:0] Y
  * index 1: Cb plane, [7:0] Cb