shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-07 19:30:30 +09:00
Code Issues Packages Projects Releases Wiki Activity

drm/rockchip: hdmi: add color depth and output mode capacity property

Browse Source 
Change-Id: I878780df5c1c81094498be2e7b4b3a22da0bfd4e
Signed-off-by: Zheng Yang <zhengyang@rock-chips.com>
This commit is contained in:
Zheng Yang
2017-09-08 18:28:08 +08:00
committed by Tao Huang
parent a2163e3217
commit 6450fb3d5e
1 changed files with 69 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

69
drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
View File

@@ -64,6 +64,16 @@ enum drm_hdmi_output_type {
DRM_HDMI_OUTPUT_INVALID, /* Guess what ? */
};
enum dw_hdmi_rockchip_color_depth {
ROCKCHIP_HDMI_DEPTH_8,
ROCKCHIP_HDMI_DEPTH_10,
ROCKCHIP_HDMI_DEPTH_12,
ROCKCHIP_HDMI_DEPTH_16,
ROCKCHIP_HDMI_DEPTH_420_10,
ROCKCHIP_HDMI_DEPTH_420_12,
ROCKCHIP_HDMI_DEPTH_420_16
};
struct rockchip_hdmi {
struct device *dev;
struct regmap *regmap;
@@ -82,6 +92,8 @@ struct rockchip_hdmi {
struct drm_property *color_depth_property;
struct drm_property *hdmi_output_property;
struct drm_property *colordepth_capacity;
struct drm_property *outputmode_capacity;
unsigned int colordepth;
enum drm_hdmi_output_type hdmi_output;
@@ -772,6 +784,22 @@ dw_hdmi_rockchip_attatch_properties(struct drm_connector *connector,
hdmi->hdmi_output_property = prop;
drm_object_attach_property(&connector->base, prop, 0);
}
prop = drm_property_create_range(connector->dev, 0,
"hdmi_color_depth_capacity",
0, 0xff);
if (prop) {
hdmi->colordepth_capacity = prop;
drm_object_attach_property(&connector->base, prop, 0);
}
prop = drm_property_create_range(connector->dev, 0,
"hdmi_output_mode_capacity",
0, 0xf);
if (prop) {
hdmi->outputmode_capacity = prop;
drm_object_attach_property(&connector->base, prop, 0);
}
}
static void
@@ -791,6 +819,18 @@ dw_hdmi_rockchip_destroy_properties(struct drm_connector *connector,
hdmi->hdmi_output_property);
hdmi->hdmi_output_property = NULL;
}
if (hdmi->colordepth_capacity) {
drm_property_destroy(connector->dev,
hdmi->colordepth_capacity);
hdmi->colordepth_capacity = NULL;
}
if (hdmi->outputmode_capacity) {
drm_property_destroy(connector->dev,
hdmi->outputmode_capacity);
hdmi->outputmode_capacity = NULL;
}
}
static int
@@ -822,6 +862,7 @@ dw_hdmi_rockchip_get_property(struct drm_connector *connector,
void *data)
{
struct rockchip_hdmi *hdmi = (struct rockchip_hdmi *)data;
struct drm_display_info *info = &connector->display_info;
if (property == hdmi->color_depth_property) {
*val = hdmi->colordepth;
@@ -829,6 +870,34 @@ dw_hdmi_rockchip_get_property(struct drm_connector *connector,
} else if (property == hdmi->hdmi_output_property) {
*val = hdmi->hdmi_output;
return 0;
} else if (property == hdmi->colordepth_capacity) {
*val = BIT(ROCKCHIP_HDMI_DEPTH_8);
/* RK3368 only support 8bit */
if (hdmi->dev_type == RK3368_HDMI)
return 0;
if (info->edid_hdmi_dc_modes & DRM_EDID_HDMI_DC_30)
*val |= BIT(ROCKCHIP_HDMI_DEPTH_10);
if (info->edid_hdmi_dc_modes & DRM_EDID_HDMI_DC_36)
*val |= BIT(ROCKCHIP_HDMI_DEPTH_12);
if (info->edid_hdmi_dc_modes & DRM_EDID_HDMI_DC_48)
*val |= BIT(ROCKCHIP_HDMI_DEPTH_16);
if (info->hdmi.y420_dc_modes & DRM_EDID_YCBCR420_DC_30)
*val |= BIT(ROCKCHIP_HDMI_DEPTH_420_10);
if (info->hdmi.y420_dc_modes & DRM_EDID_YCBCR420_DC_36)
*val |= BIT(ROCKCHIP_HDMI_DEPTH_420_12);
if (info->hdmi.y420_dc_modes & DRM_EDID_YCBCR420_DC_48)
*val |= BIT(ROCKCHIP_HDMI_DEPTH_420_16);
return 0;
} else if (property == hdmi->outputmode_capacity) {
*val = BIT(DRM_HDMI_OUTPUT_DEFAULT_RGB);
if (info->color_formats & DRM_COLOR_FORMAT_YCRCB444)
*val |= BIT(DRM_HDMI_OUTPUT_YCBCR444);
if (info->color_formats & DRM_COLOR_FORMAT_YCRCB422)
*val |= BIT(DRM_HDMI_OUTPUT_YCBCR422);
if (connector->ycbcr_420_allowed &&
info->color_formats & DRM_COLOR_FORMAT_YCRCB420)
*val |= BIT(DRM_HDMI_OUTPUT_YCBCR420);
return 0;
}
DRM_ERROR("failed to get rockchip hdmi connector property\n");