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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@bootlin.com>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190118145133.21281-9-paul.kocialkowski@bootlin.com
This commit is contained in:
Paul Kocialkowski 2019-01-18 15:51:18 +01:00 committed by Maxime Ripard
parent b38f61f52e
commit 34d896ed1b
No known key found for this signature in database
GPG Key ID: E3EF0D6F671851C5
2 changed files with 27 additions and 0 deletions
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22
drivers/gpu/drm/sun4i/sun4i_frontend.c
View File

@ -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)

5
drivers/gpu/drm/sun4i/sun4i_frontend.h
View File

@ -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