Also add the register field formatting info provided by
Inki Dae <inki.dae at samsung.com>.
Signed-off-by: Tobias Jakobi <tjakobi at math.uni-bielefeld.de>
Reviewed-by: Inki Dae <inki.dae at samsung.com>
Tested-by: Joonyoung Shim <jy0922.shim at samsung.com>
---
exynos/exynos_fimg2d.h | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/exynos/exynos_fimg2d.h b/exynos/exynos_fimg2d.h
index f76f2a9..9db0c88 100644
--- a/exynos/exynos_fimg2d.h
+++ b/exynos/exynos_fimg2d.h
@@ -151,6 +151,12 @@ enum e_g2d_op {
G2D_OP_CONJOINT_DST = 0x22,
};
+/*
+ * The G2D_COEFF_MODE_DST_{COLOR,ALPHA} modes both use the ALPHA_REG(0x618)
+ * register. The registers fields are as follows:
+ * bits 31:8 = color value (RGB order)
+ * bits 7:0 = alpha value
+ */
enum e_g2d_coeff_mode {
G2D_COEFF_MODE_ONE,
G2D_COEFF_MODE_ZERO,
@@ -160,7 +166,7 @@ enum e_g2d_coeff_mode {
G2D_COEFF_MODE_DST_COLOR,
/* Global Alpha : Set by ALPHA_REG(0x618) */
G2D_COEFF_MODE_GB_ALPHA,
- /* Global Color : Set by ALPHA_REG(0x618) */
+ /* Global Color and Alpha : Set by ALPHA_REG(0x618) */
G2D_COEFF_MODE_GB_COLOR,
/* (1-SRC alpha)/DST Alpha */
G2D_COEFF_MODE_DISJOINT_S,
--
2.0.5
