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Diffstat (limited to 'include/linux/hdmi.h')
-rw-r--r--include/linux/hdmi.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/include/linux/hdmi.h b/include/linux/hdmi.h
index 927ad6451105..ee55ba589cdc 100644
--- a/include/linux/hdmi.h
+++ b/include/linux/hdmi.h
@@ -47,6 +47,7 @@ enum hdmi_infoframe_type {
HDMI_INFOFRAME_TYPE_AVI = 0x82,
HDMI_INFOFRAME_TYPE_SPD = 0x83,
HDMI_INFOFRAME_TYPE_AUDIO = 0x84,
+ HDMI_INFOFRAME_TYPE_DRM = 0x87,
};
#define HDMI_IEEE_OUI 0x000c03
@@ -55,6 +56,7 @@ enum hdmi_infoframe_type {
#define HDMI_AVI_INFOFRAME_SIZE 13
#define HDMI_SPD_INFOFRAME_SIZE 25
#define HDMI_AUDIO_INFOFRAME_SIZE 10
+#define HDMI_DRM_INFOFRAME_SIZE 26
#define HDMI_INFOFRAME_SIZE(type) \
(HDMI_INFOFRAME_HEADER_SIZE + HDMI_ ## type ## _INFOFRAME_SIZE)
@@ -152,6 +154,17 @@ enum hdmi_content_type {
HDMI_CONTENT_TYPE_GAME,
};
+enum hdmi_metadata_type {
+ HDMI_STATIC_METADATA_TYPE1 = 1,
+};
+
+enum hdmi_eotf {
+ HDMI_EOTF_TRADITIONAL_GAMMA_SDR,
+ HDMI_EOTF_TRADITIONAL_GAMMA_HDR,
+ HDMI_EOTF_SMPTE_ST2084,
+ HDMI_EOTF_BT_2100_HLG,
+};
+
struct hdmi_avi_infoframe {
enum hdmi_infoframe_type type;
unsigned char version;
@@ -175,12 +188,37 @@ struct hdmi_avi_infoframe {
unsigned short right_bar;
};
+/* DRM Infoframe as per CTA 861.G spec */
+struct hdmi_drm_infoframe {
+ enum hdmi_infoframe_type type;
+ unsigned char version;
+ unsigned char length;
+ enum hdmi_eotf eotf;
+ enum hdmi_metadata_type metadata_type;
+ struct {
+ u16 x, y;
+ } display_primaries[3];
+ struct {
+ u16 x, y;
+ } white_point;
+ u16 max_display_mastering_luminance;
+ u16 min_display_mastering_luminance;
+ u16 max_cll;
+ u16 max_fall;
+};
+
int hdmi_avi_infoframe_init(struct hdmi_avi_infoframe *frame);
ssize_t hdmi_avi_infoframe_pack(struct hdmi_avi_infoframe *frame, void *buffer,
size_t size);
ssize_t hdmi_avi_infoframe_pack_only(const struct hdmi_avi_infoframe *frame,
void *buffer, size_t size);
int hdmi_avi_infoframe_check(struct hdmi_avi_infoframe *frame);
+int hdmi_drm_infoframe_init(struct hdmi_drm_infoframe *frame);
+ssize_t hdmi_drm_infoframe_pack(struct hdmi_drm_infoframe *frame, void *buffer,
+ size_t size);
+ssize_t hdmi_drm_infoframe_pack_only(const struct hdmi_drm_infoframe *frame,
+ void *buffer, size_t size);
+int hdmi_drm_infoframe_check(struct hdmi_drm_infoframe *frame);
enum hdmi_spd_sdi {
HDMI_SPD_SDI_UNKNOWN,
@@ -320,6 +358,22 @@ struct hdmi_vendor_infoframe {
unsigned int s3d_ext_data;
};
+/* HDR Metadata as per 861.G spec */
+struct hdr_static_metadata {
+ __u8 eotf;
+ __u8 metadata_type;
+ __u16 max_cll;
+ __u16 max_fall;
+ __u16 min_cll;
+};
+
+struct hdr_sink_metadata {
+ __u32 metadata_type;
+ union {
+ struct hdr_static_metadata hdmi_type1;
+ };
+};
+
int hdmi_vendor_infoframe_init(struct hdmi_vendor_infoframe *frame);
ssize_t hdmi_vendor_infoframe_pack(struct hdmi_vendor_infoframe *frame,
void *buffer, size_t size);
@@ -355,6 +409,7 @@ union hdmi_infoframe {
struct hdmi_spd_infoframe spd;
union hdmi_vendor_any_infoframe vendor;
struct hdmi_audio_infoframe audio;
+ struct hdmi_drm_infoframe drm;
};
ssize_t hdmi_infoframe_pack(union hdmi_infoframe *frame, void *buffer,