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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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#ifndef __LINUX_HDMI_H_#define __LINUX_HDMI_H_
#include <linux/types.h>#include <linux/device.h>
enum hdmi_packet_type { HDMI_PACKET_TYPE_NULL = 0x00, HDMI_PACKET_TYPE_AUDIO_CLOCK_REGEN = 0x01, HDMI_PACKET_TYPE_AUDIO_SAMPLE = 0x02, HDMI_PACKET_TYPE_GENERAL_CONTROL = 0x03, HDMI_PACKET_TYPE_ACP = 0x04, HDMI_PACKET_TYPE_ISRC1 = 0x05, HDMI_PACKET_TYPE_ISRC2 = 0x06, HDMI_PACKET_TYPE_ONE_BIT_AUDIO_SAMPLE = 0x07, HDMI_PACKET_TYPE_DST_AUDIO = 0x08, HDMI_PACKET_TYPE_HBR_AUDIO_STREAM = 0x09, HDMI_PACKET_TYPE_GAMUT_METADATA = 0x0a, /* + enum hdmi_infoframe_type */};
enum hdmi_infoframe_type { HDMI_INFOFRAME_TYPE_VENDOR = 0x81, HDMI_INFOFRAME_TYPE_AVI = 0x82, HDMI_INFOFRAME_TYPE_SPD = 0x83, HDMI_INFOFRAME_TYPE_AUDIO = 0x84, HDMI_INFOFRAME_TYPE_DRM = 0x87,};
/* HDMI spec maximum TMDS character rates, in Hz */#define HDMI_TMDS_CHAR_RATE_MIN_HZ 25000000#define HDMI_1_0_TMDS_CHAR_RATE_MAX_HZ 165000000#define HDMI_1_3_TMDS_CHAR_RATE_MAX_HZ 340000000#define HDMI_2_0_TMDS_CHAR_RATE_MAX_HZ 600000000
#define HDMI_IEEE_OUI 0x000c03#define HDMI_FORUM_IEEE_OUI 0xc45dd8#define HDMI_INFOFRAME_HEADER_SIZE 4#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_VENDOR_INFOFRAME_SIZE 4
/* * HDMI 1.3a table 5-14 states that the largest InfoFrame_length is 27, * not including the packet header or checksum byte. We include the * checksum byte in HDMI_INFOFRAME_HEADER_SIZE, so this should allow * HDMI_INFOFRAME_SIZE(MAX) to be the largest buffer we could ever need * for any HDMI infoframe. */#define HDMI_MAX_INFOFRAME_SIZE 27
#define HDMI_INFOFRAME_SIZE(type) \ (HDMI_INFOFRAME_HEADER_SIZE + HDMI_ ## type ## _INFOFRAME_SIZE)
struct hdmi_any_infoframe { enum hdmi_infoframe_type type; unsigned char version; unsigned char length;};
enum hdmi_colorspace { HDMI_COLORSPACE_RGB, HDMI_COLORSPACE_YUV422, HDMI_COLORSPACE_YUV444, HDMI_COLORSPACE_YUV420, HDMI_COLORSPACE_RESERVED4, HDMI_COLORSPACE_RESERVED5, HDMI_COLORSPACE_RESERVED6, HDMI_COLORSPACE_IDO_DEFINED,};
enum hdmi_scan_mode { HDMI_SCAN_MODE_NONE, HDMI_SCAN_MODE_OVERSCAN, HDMI_SCAN_MODE_UNDERSCAN, HDMI_SCAN_MODE_RESERVED,};
enum hdmi_colorimetry { HDMI_COLORIMETRY_NONE, HDMI_COLORIMETRY_ITU_601, HDMI_COLORIMETRY_ITU_709, HDMI_COLORIMETRY_EXTENDED,};
enum hdmi_picture_aspect { HDMI_PICTURE_ASPECT_NONE, HDMI_PICTURE_ASPECT_4_3, HDMI_PICTURE_ASPECT_16_9, HDMI_PICTURE_ASPECT_64_27, HDMI_PICTURE_ASPECT_256_135, HDMI_PICTURE_ASPECT_RESERVED,};
enum hdmi_active_aspect { HDMI_ACTIVE_ASPECT_16_9_TOP = 2, HDMI_ACTIVE_ASPECT_14_9_TOP = 3, HDMI_ACTIVE_ASPECT_16_9_CENTER = 4, HDMI_ACTIVE_ASPECT_PICTURE = 8, HDMI_ACTIVE_ASPECT_4_3 = 9, HDMI_ACTIVE_ASPECT_16_9 = 10, HDMI_ACTIVE_ASPECT_14_9 = 11, HDMI_ACTIVE_ASPECT_4_3_SP_14_9 = 13, HDMI_ACTIVE_ASPECT_16_9_SP_14_9 = 14, HDMI_ACTIVE_ASPECT_16_9_SP_4_3 = 15,};
enum hdmi_extended_colorimetry { HDMI_EXTENDED_COLORIMETRY_XV_YCC_601, HDMI_EXTENDED_COLORIMETRY_XV_YCC_709, HDMI_EXTENDED_COLORIMETRY_S_YCC_601, HDMI_EXTENDED_COLORIMETRY_OPYCC_601, HDMI_EXTENDED_COLORIMETRY_OPRGB,
/* The following EC values are only defined in CEA-861-F. */ HDMI_EXTENDED_COLORIMETRY_BT2020_CONST_LUM, HDMI_EXTENDED_COLORIMETRY_BT2020, HDMI_EXTENDED_COLORIMETRY_RESERVED,};
enum hdmi_quantization_range { HDMI_QUANTIZATION_RANGE_DEFAULT, HDMI_QUANTIZATION_RANGE_LIMITED, HDMI_QUANTIZATION_RANGE_FULL, HDMI_QUANTIZATION_RANGE_RESERVED,};
/* non-uniform picture scaling */enum hdmi_nups { HDMI_NUPS_UNKNOWN, HDMI_NUPS_HORIZONTAL, HDMI_NUPS_VERTICAL, HDMI_NUPS_BOTH,};
enum hdmi_ycc_quantization_range { HDMI_YCC_QUANTIZATION_RANGE_LIMITED, HDMI_YCC_QUANTIZATION_RANGE_FULL,};
enum hdmi_content_type { HDMI_CONTENT_TYPE_GRAPHICS, HDMI_CONTENT_TYPE_PHOTO, HDMI_CONTENT_TYPE_CINEMA, HDMI_CONTENT_TYPE_GAME,};
enum hdmi_metadata_type { HDMI_STATIC_METADATA_TYPE1 = 0,};
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; unsigned char length; bool itc; unsigned char pixel_repeat; enum hdmi_colorspace colorspace; enum hdmi_scan_mode scan_mode; enum hdmi_colorimetry colorimetry; enum hdmi_picture_aspect picture_aspect; enum hdmi_active_aspect active_aspect; enum hdmi_extended_colorimetry extended_colorimetry; enum hdmi_quantization_range quantization_range; enum hdmi_nups nups; unsigned char video_code; enum hdmi_ycc_quantization_range ycc_quantization_range; enum hdmi_content_type content_type; unsigned short top_bar; unsigned short bottom_bar; unsigned short left_bar; 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;};
void 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);int hdmi_drm_infoframe_unpack_only(struct hdmi_drm_infoframe *frame, const void *buffer, size_t size);
enum hdmi_spd_sdi { HDMI_SPD_SDI_UNKNOWN, HDMI_SPD_SDI_DSTB, HDMI_SPD_SDI_DVDP, HDMI_SPD_SDI_DVHS, HDMI_SPD_SDI_HDDVR, HDMI_SPD_SDI_DVC, HDMI_SPD_SDI_DSC, HDMI_SPD_SDI_VCD, HDMI_SPD_SDI_GAME, HDMI_SPD_SDI_PC, HDMI_SPD_SDI_BD, HDMI_SPD_SDI_SACD, HDMI_SPD_SDI_HDDVD, HDMI_SPD_SDI_PMP,};
struct hdmi_spd_infoframe { enum hdmi_infoframe_type type; unsigned char version; unsigned char length; char vendor[8]; char product[16]; enum hdmi_spd_sdi sdi;};
int hdmi_spd_infoframe_init(struct hdmi_spd_infoframe *frame, const char *vendor, const char *product);ssize_t hdmi_spd_infoframe_pack(struct hdmi_spd_infoframe *frame, void *buffer, size_t size);ssize_t hdmi_spd_infoframe_pack_only(const struct hdmi_spd_infoframe *frame, void *buffer, size_t size);int hdmi_spd_infoframe_check(struct hdmi_spd_infoframe *frame);
enum hdmi_audio_coding_type { HDMI_AUDIO_CODING_TYPE_STREAM, HDMI_AUDIO_CODING_TYPE_PCM, HDMI_AUDIO_CODING_TYPE_AC3, HDMI_AUDIO_CODING_TYPE_MPEG1, HDMI_AUDIO_CODING_TYPE_MP3, HDMI_AUDIO_CODING_TYPE_MPEG2, HDMI_AUDIO_CODING_TYPE_AAC_LC, HDMI_AUDIO_CODING_TYPE_DTS, HDMI_AUDIO_CODING_TYPE_ATRAC, HDMI_AUDIO_CODING_TYPE_DSD, HDMI_AUDIO_CODING_TYPE_EAC3, HDMI_AUDIO_CODING_TYPE_DTS_HD, HDMI_AUDIO_CODING_TYPE_MLP, HDMI_AUDIO_CODING_TYPE_DST, HDMI_AUDIO_CODING_TYPE_WMA_PRO, HDMI_AUDIO_CODING_TYPE_CXT,};
enum hdmi_audio_sample_size { HDMI_AUDIO_SAMPLE_SIZE_STREAM, HDMI_AUDIO_SAMPLE_SIZE_16, HDMI_AUDIO_SAMPLE_SIZE_20, HDMI_AUDIO_SAMPLE_SIZE_24,};
enum hdmi_audio_sample_frequency { HDMI_AUDIO_SAMPLE_FREQUENCY_STREAM, HDMI_AUDIO_SAMPLE_FREQUENCY_32000, HDMI_AUDIO_SAMPLE_FREQUENCY_44100, HDMI_AUDIO_SAMPLE_FREQUENCY_48000, HDMI_AUDIO_SAMPLE_FREQUENCY_88200, HDMI_AUDIO_SAMPLE_FREQUENCY_96000, HDMI_AUDIO_SAMPLE_FREQUENCY_176400, HDMI_AUDIO_SAMPLE_FREQUENCY_192000,};
enum hdmi_audio_coding_type_ext { /* Refer to Audio Coding Type (CT) field in Data Byte 1 */ HDMI_AUDIO_CODING_TYPE_EXT_CT,
/* * The next three CXT values are defined in CEA-861-E only. * They do not exist in older versions, and in CEA-861-F they are * defined as 'Not in use'. */ HDMI_AUDIO_CODING_TYPE_EXT_HE_AAC, HDMI_AUDIO_CODING_TYPE_EXT_HE_AAC_V2, HDMI_AUDIO_CODING_TYPE_EXT_MPEG_SURROUND,
/* The following CXT values are only defined in CEA-861-F. */ HDMI_AUDIO_CODING_TYPE_EXT_MPEG4_HE_AAC, HDMI_AUDIO_CODING_TYPE_EXT_MPEG4_HE_AAC_V2, HDMI_AUDIO_CODING_TYPE_EXT_MPEG4_AAC_LC, HDMI_AUDIO_CODING_TYPE_EXT_DRA, HDMI_AUDIO_CODING_TYPE_EXT_MPEG4_HE_AAC_SURROUND, HDMI_AUDIO_CODING_TYPE_EXT_MPEG4_AAC_LC_SURROUND = 10,};
struct hdmi_audio_infoframe { enum hdmi_infoframe_type type; unsigned char version; unsigned char length; unsigned char channels; enum hdmi_audio_coding_type coding_type; enum hdmi_audio_sample_size sample_size; enum hdmi_audio_sample_frequency sample_frequency; enum hdmi_audio_coding_type_ext coding_type_ext; unsigned char channel_allocation; unsigned char level_shift_value; bool downmix_inhibit;
};
int hdmi_audio_infoframe_init(struct hdmi_audio_infoframe *frame);ssize_t hdmi_audio_infoframe_pack(struct hdmi_audio_infoframe *frame, void *buffer, size_t size);ssize_t hdmi_audio_infoframe_pack_only(const struct hdmi_audio_infoframe *frame, void *buffer, size_t size);int hdmi_audio_infoframe_check(const struct hdmi_audio_infoframe *frame);
struct dp_sdp;ssize_thdmi_audio_infoframe_pack_for_dp(const struct hdmi_audio_infoframe *frame, struct dp_sdp *sdp, u8 dp_version);
enum hdmi_3d_structure { HDMI_3D_STRUCTURE_INVALID = -1, HDMI_3D_STRUCTURE_FRAME_PACKING = 0, HDMI_3D_STRUCTURE_FIELD_ALTERNATIVE, HDMI_3D_STRUCTURE_LINE_ALTERNATIVE, HDMI_3D_STRUCTURE_SIDE_BY_SIDE_FULL, HDMI_3D_STRUCTURE_L_DEPTH, HDMI_3D_STRUCTURE_L_DEPTH_GFX_GFX_DEPTH, HDMI_3D_STRUCTURE_TOP_AND_BOTTOM, HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF = 8,};
struct hdmi_vendor_infoframe { enum hdmi_infoframe_type type; unsigned char version; unsigned char length; unsigned int oui; u8 vic; enum hdmi_3d_structure s3d_struct; 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 - HDR sink metadata * * Metadata Information read from Sink's EDID */struct hdr_sink_metadata { /** * @metadata_type: Static_Metadata_Descriptor_ID. */ __u32 metadata_type; /** * @hdmi_type1: HDR Metadata Infoframe. */ 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);ssize_t hdmi_vendor_infoframe_pack_only(const struct hdmi_vendor_infoframe *frame, void *buffer, size_t size);int hdmi_vendor_infoframe_check(struct hdmi_vendor_infoframe *frame);
union hdmi_vendor_any_infoframe { struct { enum hdmi_infoframe_type type; unsigned char version; unsigned char length; unsigned int oui; } any; struct hdmi_vendor_infoframe hdmi;};
/** * union hdmi_infoframe - overall union of all abstract infoframe representations * @any: generic infoframe * @avi: avi infoframe * @spd: spd infoframe * @vendor: union of all vendor infoframes * @audio: audio infoframe * @drm: Dynamic Range and Mastering infoframe * * This is used by the generic pack function. This works since all infoframes * have the same header which also indicates which type of infoframe should be * packed. */union hdmi_infoframe { struct hdmi_any_infoframe any; struct hdmi_avi_infoframe avi; 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, size_t size);ssize_t hdmi_infoframe_pack_only(const union hdmi_infoframe *frame, void *buffer, size_t size);int hdmi_infoframe_unpack(union hdmi_infoframe *frame, const void *buffer, size_t size);void hdmi_infoframe_log(const char *level, struct device *dev, const union hdmi_infoframe *frame);
#endif /* _DRM_HDMI_H */