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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 

#include 

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_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_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 */