| /* |
| * Copyright (C) 2012 Avionic Design GmbH |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sub license, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the |
| * next paragraph) shall be included in all copies or substantial portions |
| * of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| * DEALINGS IN THE SOFTWARE. |
| */ |
| |
| #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, |
| }; |
| |
| #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_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 = 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; |
| unsigned char length; |
| 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; |
| bool itc; |
| 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 char pixel_repeat; |
| 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; |
| }; |
| |
| 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, |
| 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(struct hdmi_audio_infoframe *frame); |
| |
| 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_check(union hdmi_infoframe *frame); |
| 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 */ |
