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sys/compat/linuxkpi/common/include/linux/hdmi.h

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/*
* 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_VENDOR_INFOFRAME_SIZE 4
#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;
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;
};
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(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 */