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Message-Id: <20190118144328.20649-9-paul.kocialkowski@bootlin.com>
Date: Fri, 18 Jan 2019 15:43:13 +0100
From: Paul Kocialkowski <paul.kocialkowski@...tlin.com>
To: dri-devel@...ts.freedesktop.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
linux-sunxi@...glegroups.com
Cc: Maxime Ripard <maxime.ripard@...tlin.com>,
David Airlie <airlied@...ux.ie>,
Daniel Vetter <daniel@...ll.ch>, Chen-Yu Tsai <wens@...e.org>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Sean Paul <sean@...rly.run>,
Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
Paul Kocialkowski <paul.kocialkowski@...tlin.com>
Subject: [PATCH v5 08/23] drm/sun4i: frontend: Add support for packed YUV422 input formats
This introduces support for packed YUV formats with 4:2:2 sampling using
the frontend. Definitions are introduced for the data format and pixel
sequence input format register values.
Signed-off-by: Paul Kocialkowski <paul.kocialkowski@...tlin.com>
Acked-by: Maxime Ripard <maxime.ripard@...tlin.com>
---
drivers/gpu/drm/sun4i/sun4i_frontend.c | 22 ++++++++++++++++++++++
drivers/gpu/drm/sun4i/sun4i_frontend.h | 5 +++++
2 files changed, 27 insertions(+)
diff --git a/drivers/gpu/drm/sun4i/sun4i_frontend.c b/drivers/gpu/drm/sun4i/sun4i_frontend.c
index bf37a4ea81c5..1946dd9e58d9 100644
--- a/drivers/gpu/drm/sun4i/sun4i_frontend.c
+++ b/drivers/gpu/drm/sun4i/sun4i_frontend.c
@@ -133,6 +133,8 @@ sun4i_frontend_drm_format_to_input_fmt(const struct drm_format_info *format,
{
if (!format->is_yuv)
*val = SUN4I_FRONTEND_INPUT_FMT_DATA_FMT_RGB;
+ else if (drm_format_info_is_yuv_sampling_422(format))
+ *val = SUN4I_FRONTEND_INPUT_FMT_DATA_FMT_YUV422;
else
return -EINVAL;
@@ -160,10 +162,26 @@ sun4i_frontend_drm_format_to_input_sequence(const struct drm_format_info *format
*val = SUN4I_FRONTEND_INPUT_FMT_DATA_PS_BGRX;
return 0;
+ case DRM_FORMAT_UYVY:
+ *val = SUN4I_FRONTEND_INPUT_FMT_DATA_PS_UYVY;
+ return 0;
+
+ case DRM_FORMAT_VYUY:
+ *val = SUN4I_FRONTEND_INPUT_FMT_DATA_PS_VYUY;
+ return 0;
+
case DRM_FORMAT_XRGB8888:
*val = SUN4I_FRONTEND_INPUT_FMT_DATA_PS_XRGB;
return 0;
+ case DRM_FORMAT_YUYV:
+ *val = SUN4I_FRONTEND_INPUT_FMT_DATA_PS_YUYV;
+ return 0;
+
+ case DRM_FORMAT_YVYU:
+ *val = SUN4I_FRONTEND_INPUT_FMT_DATA_PS_YVYU;
+ return 0;
+
default:
return -EINVAL;
}
@@ -187,7 +205,11 @@ static int sun4i_frontend_drm_format_to_output_fmt(uint32_t fmt, u32 *val)
static const uint32_t sun4i_frontend_formats[] = {
DRM_FORMAT_BGRX8888,
+ DRM_FORMAT_UYVY,
+ DRM_FORMAT_VYUY,
DRM_FORMAT_XRGB8888,
+ DRM_FORMAT_YUYV,
+ DRM_FORMAT_YVYU,
};
bool sun4i_frontend_format_is_supported(uint32_t fmt, uint64_t modifier)
diff --git a/drivers/gpu/drm/sun4i/sun4i_frontend.h b/drivers/gpu/drm/sun4i/sun4i_frontend.h
index 17b46ecf7d9e..e287a71a0db9 100644
--- a/drivers/gpu/drm/sun4i/sun4i_frontend.h
+++ b/drivers/gpu/drm/sun4i/sun4i_frontend.h
@@ -27,7 +27,12 @@
#define SUN4I_FRONTEND_INPUT_FMT_REG 0x04c
#define SUN4I_FRONTEND_INPUT_FMT_DATA_MOD_PACKED (1 << 8)
+#define SUN4I_FRONTEND_INPUT_FMT_DATA_FMT_YUV422 (1 << 4)
#define SUN4I_FRONTEND_INPUT_FMT_DATA_FMT_RGB (5 << 4)
+#define SUN4I_FRONTEND_INPUT_FMT_DATA_PS_UYVY 0
+#define SUN4I_FRONTEND_INPUT_FMT_DATA_PS_YUYV 1
+#define SUN4I_FRONTEND_INPUT_FMT_DATA_PS_VYUY 2
+#define SUN4I_FRONTEND_INPUT_FMT_DATA_PS_YVYU 3
#define SUN4I_FRONTEND_INPUT_FMT_DATA_PS_BGRX 0
#define SUN4I_FRONTEND_INPUT_FMT_DATA_PS_XRGB 1
--
2.20.1
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