356 lines
10 KiB
C
356 lines
10 KiB
C
/*
|
|
* 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_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,
|
|
};
|
|
|
|
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);
|
|
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);
|
|
|
|
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;
|
|
};
|
|
|
|
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
|
|
*
|
|
* 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);
|
|
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 */
|