diff mbox series

[v3,07/21] drm/sun4i: frontend: Add support for packed YUV422 input formats

Message ID 20181204142218.16284-8-paul.kocialkowski@bootlin.com (mailing list archive)
State New, archived
Headers show
Series drm/sun4i: Support for linear and tiled YUV formats with the frontend | expand

Commit Message

Paul Kocialkowski Dec. 4, 2018, 2:22 p.m. UTC
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@bootlin.com>
---
 drivers/gpu/drm/sun4i/sun4i_frontend.c | 22 ++++++++++++++++++++++
 drivers/gpu/drm/sun4i/sun4i_frontend.h |  5 +++++
 2 files changed, 27 insertions(+)

Comments

Maxime Ripard Dec. 4, 2018, 3:29 p.m. UTC | #1
On Tue, Dec 04, 2018 at 03:22:04PM +0100, Paul Kocialkowski wrote:
> 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@bootlin.com>

Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>

Maxime
diff mbox series

Patch

diff --git a/drivers/gpu/drm/sun4i/sun4i_frontend.c b/drivers/gpu/drm/sun4i/sun4i_frontend.c
index 1737a4394401..ff34ac9bcf05 100644
--- a/drivers/gpu/drm/sun4i/sun4i_frontend.c
+++ b/drivers/gpu/drm/sun4i/sun4i_frontend.c
@@ -132,6 +132,8 @@  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;
 
@@ -157,10 +159,26 @@  static int sun4i_frontend_drm_format_to_input_sequence(uint32_t fmt, u32 *val)
 		*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;
 	}
@@ -184,7 +202,11 @@  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 326cd5607efa..750dda9352fc 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