From 0cb8b75792d6b752df945993cc5d455c75bf6884 Mon Sep 17 00:00:00 2001
From: Philipp Zabel
Date: Fri, 12 Dec 2014 13:40:14 +0100
Subject: gpu: ipu-v3: add support for 15-bit RGB with 1-bit alpha formats
This patch adds support for ARGB1555, ABGR1555, RGBA5551, and BGRA5551
in-memory formats.
Signed-off-by: Philipp Zabel
---
drivers/gpu/ipu-v3/ipu-cpmem.c | 44 ++++++++++++++++++++++++++++++++++++++++++
1 file changed, 44 insertions(+)
(limited to 'drivers/gpu/ipu-v3/ipu-cpmem.c')
diff --git a/drivers/gpu/ipu-v3/ipu-cpmem.c b/drivers/gpu/ipu-v3/ipu-cpmem.c
index 3bf05bc4ab67..d26b8bee0269 100644
--- a/drivers/gpu/ipu-v3/ipu-cpmem.c
+++ b/drivers/gpu/ipu-v3/ipu-cpmem.c
@@ -500,6 +500,38 @@ static const struct ipu_rgb def_bgr_16 = {
.bits_per_pixel = 16,
};
+static const struct ipu_rgb def_argb_16 = {
+ .red = { .offset = 10, .length = 5, },
+ .green = { .offset = 5, .length = 5, },
+ .blue = { .offset = 0, .length = 5, },
+ .transp = { .offset = 15, .length = 1, },
+ .bits_per_pixel = 16,
+};
+
+static const struct ipu_rgb def_abgr_16 = {
+ .red = { .offset = 0, .length = 5, },
+ .green = { .offset = 5, .length = 5, },
+ .blue = { .offset = 10, .length = 5, },
+ .transp = { .offset = 15, .length = 1, },
+ .bits_per_pixel = 16,
+};
+
+static const struct ipu_rgb def_rgba_16 = {
+ .red = { .offset = 11, .length = 5, },
+ .green = { .offset = 6, .length = 5, },
+ .blue = { .offset = 1, .length = 5, },
+ .transp = { .offset = 0, .length = 1, },
+ .bits_per_pixel = 16,
+};
+
+static const struct ipu_rgb def_bgra_16 = {
+ .red = { .offset = 1, .length = 5, },
+ .green = { .offset = 6, .length = 5, },
+ .blue = { .offset = 11, .length = 5, },
+ .transp = { .offset = 0, .length = 1, },
+ .bits_per_pixel = 16,
+};
+
#define Y_OFFSET(pix, x, y) ((x) + pix->width * (y))
#define U_OFFSET(pix, x, y) ((pix->width * pix->height) + \
(pix->width * (y) / 4) + (x) / 2)
@@ -581,6 +613,18 @@ int ipu_cpmem_set_fmt(struct ipuv3_channel *ch, u32 drm_fourcc)
case DRM_FORMAT_BGR565:
ipu_cpmem_set_format_rgb(ch, &def_bgr_16);
break;
+ case DRM_FORMAT_ARGB1555:
+ ipu_cpmem_set_format_rgb(ch, &def_argb_16);
+ break;
+ case DRM_FORMAT_ABGR1555:
+ ipu_cpmem_set_format_rgb(ch, &def_abgr_16);
+ break;
+ case DRM_FORMAT_RGBA5551:
+ ipu_cpmem_set_format_rgb(ch, &def_rgba_16);
+ break;
+ case DRM_FORMAT_BGRA5551:
+ ipu_cpmem_set_format_rgb(ch, &def_bgra_16);
+ break;
default:
return -EINVAL;
}
--
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