/* * 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_infoframe_type { HDMI_INFOFRAME_TYPE_VENDOR = 0x81, HDMI_INFOFRAME_TYPE_AVI = 0x82, HDMI_INFOFRAME_TYPE_SPD = 0x83, HDMI_INFOFRAME_TYPE_AUDIO = 0x84, }; #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_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_ADOBE_YCC_601, HDMI_EXTENDED_COLORIMETRY_ADOBE_RGB, /* 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, }; 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; }; 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); 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); 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); 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; }; 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); 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 * * 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; }; ssize_t hdmi_infoframe_pack(union hdmi_infoframe *frame, void *buffer, size_t size); int hdmi_infoframe_unpack(union hdmi_infoframe *frame, void *buffer); void hdmi_infoframe_log(const char *level, struct device *dev, union hdmi_infoframe *frame); #endif /* _DRM_HDMI_H */