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authorChristoph Manszewski <c.manszewski@samsung.com>2018-10-25 17:23:50 +0200
committerInki Dae <inki.dae@samsung.com>2018-12-14 15:46:15 +0900
commit3b5129b3a7c62fdec9cc69b1b3f20917c36ab5d4 (patch)
tree8ac5e2d5abe20f662083306408f45874e890cf44 /include/video
parent6f8ee5c21722f93d486b2ff041c28580c9511349 (diff)
drm/exynos: fimd: Make pixel blend mode configurable
The fimd hardware supports different blend modes. Add pixel blend mode property and make it configurable, by modifying the blend equation. Tested on TRATS2 with Exynos 4412 CPU, on top of linux-next-20181019. Signed-off-by: Christoph Manszewski <c.manszewski@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
Diffstat (limited to 'include/video')
-rw-r--r--include/video/samsung_fimd.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/video/samsung_fimd.h b/include/video/samsung_fimd.h
index f070b7c0d2cf..4ba5efe8d086 100644
--- a/include/video/samsung_fimd.h
+++ b/include/video/samsung_fimd.h
@@ -198,6 +198,7 @@
#define WINCONx_BURSTLEN_8WORD (0x1 << 9)
#define WINCONx_BURSTLEN_4WORD (0x2 << 9)
#define WINCONx_ENWIN (1 << 0)
+#define WINCONx_BLEND_MODE_MASK (0xc2)
#define WINCON0_BPPMODE_MASK (0xf << 2)
#define WINCON0_BPPMODE_SHIFT 2
@@ -438,6 +439,14 @@
#define WPALCON_W0PAL_16BPP_565 (0x6 << 0)
/* Blending equation control */
+#define BLENDEQx(_win) (0x244 + ((_win - 1) * 4))
+#define BLENDEQ_ZERO 0x0
+#define BLENDEQ_ONE 0x1
+#define BLENDEQ_ALPHA_A 0x2
+#define BLENDEQ_ONE_MINUS_ALPHA_A 0x3
+#define BLENDEQ_ALPHA0 0x6
+#define BLENDEQ_B_FUNC_F(_x) (_x << 6)
+#define BLENDEQ_A_FUNC_F(_x) (_x << 0)
#define BLENDCON 0x260
#define BLENDCON_NEW_MASK (1 << 0)
#define BLENDCON_NEW_8BIT_ALPHA_VALUE (1 << 0)

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