diff options
Diffstat (limited to 'include/edid.h')
| -rw-r--r-- | include/edid.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/edid.h b/include/edid.h index 8b022fa98af..a9f2f3d3abf 100644 --- a/include/edid.h +++ b/include/edid.h @@ -19,6 +19,9 @@ #define EDID_SIZE 128 #define EDID_EXT_SIZE 256 +/* OUI of HDMI vendor specific data block */ +#define HDMI_IEEE_OUI 0x000c03 + #define GET_BIT(_x, _pos) \ (((_x) >> (_pos)) & 1) #define GET_BITS(_x, _pos_msb, _pos_lsb) \ @@ -234,6 +237,13 @@ struct edid1_info { unsigned char checksum; } __attribute__ ((__packed__)); +enum edid_cea861_db_types { + EDID_CEA861_DB_AUDIO = 0x01, + EDID_CEA861_DB_VIDEO = 0x02, + EDID_CEA861_DB_VENDOR = 0x03, + EDID_CEA861_DB_SPEAKER = 0x04, +}; + struct edid_cea861_info { unsigned char extension_tag; #define EDID_CEA861_EXTENSION_TAG 0x02 @@ -251,6 +261,10 @@ struct edid_cea861_info { #define EDID_CEA861_DTD_COUNT(_x) \ GET_BITS(((_x).dtd_count), 3, 0) unsigned char data[124]; +#define EDID_CEA861_DB_TYPE(_x, offset) \ + GET_BITS((_x).data[offset], 7, 5) +#define EDID_CEA861_DB_LEN(_x, offset) \ + GET_BITS((_x).data[offset], 4, 0) } __attribute__ ((__packed__)); /** |