[mirror_ubuntu-bionic-kernel.git] / include / linux / hdmi.h

/*
 * 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>

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 {
	HDMI_AUDIO_CODING_TYPE_EXT_STREAM,

	/*
	 * 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);

#endif /* _DRM_HDMI_H */
Commit	Line	Data
f142d3bd TR	1	/*
	2	* Copyright (C) 2012 Avionic Design GmbH
	3	*
37d74578 TR	4	* Permission is hereby granted, free of charge, to any person obtaining a
	5	* copy of this software and associated documentation files (the "Software"),
	6	* to deal in the Software without restriction, including without limitation
	7	* the rights to use, copy, modify, merge, publish, distribute, sub license,
	8	* and/or sell copies of the Software, and to permit persons to whom the
	9	* Software is furnished to do so, subject to the following conditions:
	10	*
	11	* The above copyright notice and this permission notice (including the
	12	* next paragraph) shall be included in all copies or substantial portions
	13	* of the Software.
	14	*
	15	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	16	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	17	* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
	18	* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	19	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
	20	* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
	21	* DEALINGS IN THE SOFTWARE.
f142d3bd TR	22	*/
	23
	24	#ifndef __LINUX_HDMI_H_
	25	#define __LINUX_HDMI_H_
	26
	27	#include <linux/types.h>
	28
	29	enum hdmi_infoframe_type {
	30	HDMI_INFOFRAME_TYPE_VENDOR = 0x81,
	31	HDMI_INFOFRAME_TYPE_AVI = 0x82,
	32	HDMI_INFOFRAME_TYPE_SPD = 0x83,
	33	HDMI_INFOFRAME_TYPE_AUDIO = 0x84,
	34	};
	35
6cb3b7f1	36	#define HDMI_IEEE_OUI 0x000c03
f142d3bd TR	37	#define HDMI_INFOFRAME_HEADER_SIZE 4
	38	#define HDMI_AVI_INFOFRAME_SIZE 13
	39	#define HDMI_SPD_INFOFRAME_SIZE 25
	40	#define HDMI_AUDIO_INFOFRAME_SIZE 10
	41
61177b0e DL	42	#define HDMI_INFOFRAME_SIZE(type) \
	43	(HDMI_INFOFRAME_HEADER_SIZE + HDMI_ ## type ## _INFOFRAME_SIZE)
	44
72b09896 DL	45	struct hdmi_any_infoframe {
	46	enum hdmi_infoframe_type type;
	47	unsigned char version;
	48	unsigned char length;
	49	};
	50
f142d3bd TR	51	enum hdmi_colorspace {
	52	HDMI_COLORSPACE_RGB,
	53	HDMI_COLORSPACE_YUV422,
	54	HDMI_COLORSPACE_YUV444,
05c80d75 HV	55	HDMI_COLORSPACE_YUV420,
	56	HDMI_COLORSPACE_RESERVED4,
	57	HDMI_COLORSPACE_RESERVED5,
	58	HDMI_COLORSPACE_RESERVED6,
	59	HDMI_COLORSPACE_IDO_DEFINED,
f142d3bd TR	60	};
	61
	62	enum hdmi_scan_mode {
	63	HDMI_SCAN_MODE_NONE,
	64	HDMI_SCAN_MODE_OVERSCAN,
	65	HDMI_SCAN_MODE_UNDERSCAN,
05c80d75	66	HDMI_SCAN_MODE_RESERVED,
f142d3bd TR	67	};
	68
	69	enum hdmi_colorimetry {
	70	HDMI_COLORIMETRY_NONE,
	71	HDMI_COLORIMETRY_ITU_601,
	72	HDMI_COLORIMETRY_ITU_709,
	73	HDMI_COLORIMETRY_EXTENDED,
	74	};
	75
	76	enum hdmi_picture_aspect {
	77	HDMI_PICTURE_ASPECT_NONE,
	78	HDMI_PICTURE_ASPECT_4_3,
	79	HDMI_PICTURE_ASPECT_16_9,
05c80d75	80	HDMI_PICTURE_ASPECT_RESERVED,
f142d3bd TR	81	};
	82
	83	enum hdmi_active_aspect {
	84	HDMI_ACTIVE_ASPECT_16_9_TOP = 2,
	85	HDMI_ACTIVE_ASPECT_14_9_TOP = 3,
	86	HDMI_ACTIVE_ASPECT_16_9_CENTER = 4,
	87	HDMI_ACTIVE_ASPECT_PICTURE = 8,
	88	HDMI_ACTIVE_ASPECT_4_3 = 9,
	89	HDMI_ACTIVE_ASPECT_16_9 = 10,
	90	HDMI_ACTIVE_ASPECT_14_9 = 11,
	91	HDMI_ACTIVE_ASPECT_4_3_SP_14_9 = 13,
	92	HDMI_ACTIVE_ASPECT_16_9_SP_14_9 = 14,
	93	HDMI_ACTIVE_ASPECT_16_9_SP_4_3 = 15,
	94	};
	95
	96	enum hdmi_extended_colorimetry {
	97	HDMI_EXTENDED_COLORIMETRY_XV_YCC_601,
	98	HDMI_EXTENDED_COLORIMETRY_XV_YCC_709,
	99	HDMI_EXTENDED_COLORIMETRY_S_YCC_601,
	100	HDMI_EXTENDED_COLORIMETRY_ADOBE_YCC_601,
	101	HDMI_EXTENDED_COLORIMETRY_ADOBE_RGB,
05c80d75 HV	102
	103	/* The following EC values are only defined in CEA-861-F. */
	104	HDMI_EXTENDED_COLORIMETRY_BT2020_CONST_LUM,
	105	HDMI_EXTENDED_COLORIMETRY_BT2020,
	106	HDMI_EXTENDED_COLORIMETRY_RESERVED,
f142d3bd TR	107	};
	108
	109	enum hdmi_quantization_range {
	110	HDMI_QUANTIZATION_RANGE_DEFAULT,
	111	HDMI_QUANTIZATION_RANGE_LIMITED,
	112	HDMI_QUANTIZATION_RANGE_FULL,
05c80d75	113	HDMI_QUANTIZATION_RANGE_RESERVED,
f142d3bd TR	114	};
	115
	116	/* non-uniform picture scaling */
	117	enum hdmi_nups {
	118	HDMI_NUPS_UNKNOWN,
	119	HDMI_NUPS_HORIZONTAL,
	120	HDMI_NUPS_VERTICAL,
	121	HDMI_NUPS_BOTH,
	122	};
	123
	124	enum hdmi_ycc_quantization_range {
	125	HDMI_YCC_QUANTIZATION_RANGE_LIMITED,
	126	HDMI_YCC_QUANTIZATION_RANGE_FULL,
	127	};
	128
	129	enum hdmi_content_type {
05c80d75	130	HDMI_CONTENT_TYPE_GRAPHICS,
f142d3bd TR	131	HDMI_CONTENT_TYPE_PHOTO,
	132	HDMI_CONTENT_TYPE_CINEMA,
	133	HDMI_CONTENT_TYPE_GAME,
	134	};
	135
	136	struct hdmi_avi_infoframe {
	137	enum hdmi_infoframe_type type;
	138	unsigned char version;
	139	unsigned char length;
	140	enum hdmi_colorspace colorspace;
f142d3bd TR	141	enum hdmi_scan_mode scan_mode;
	142	enum hdmi_colorimetry colorimetry;
	143	enum hdmi_picture_aspect picture_aspect;
	144	enum hdmi_active_aspect active_aspect;
	145	bool itc;
	146	enum hdmi_extended_colorimetry extended_colorimetry;
	147	enum hdmi_quantization_range quantization_range;
	148	enum hdmi_nups nups;
	149	unsigned char video_code;
	150	enum hdmi_ycc_quantization_range ycc_quantization_range;
	151	enum hdmi_content_type content_type;
	152	unsigned char pixel_repeat;
	153	unsigned short top_bar;
	154	unsigned short bottom_bar;
	155	unsigned short left_bar;
	156	unsigned short right_bar;
	157	};
	158
	159	int hdmi_avi_infoframe_init(struct hdmi_avi_infoframe *frame);
	160	ssize_t hdmi_avi_infoframe_pack(struct hdmi_avi_infoframe frame, void buffer,
	161	size_t size);
	162
	163	enum hdmi_spd_sdi {
	164	HDMI_SPD_SDI_UNKNOWN,
	165	HDMI_SPD_SDI_DSTB,
	166	HDMI_SPD_SDI_DVDP,
	167	HDMI_SPD_SDI_DVHS,
	168	HDMI_SPD_SDI_HDDVR,
	169	HDMI_SPD_SDI_DVC,
	170	HDMI_SPD_SDI_DSC,
	171	HDMI_SPD_SDI_VCD,
	172	HDMI_SPD_SDI_GAME,
	173	HDMI_SPD_SDI_PC,
	174	HDMI_SPD_SDI_BD,
	175	HDMI_SPD_SDI_SACD,
	176	HDMI_SPD_SDI_HDDVD,
	177	HDMI_SPD_SDI_PMP,
	178	};
	179
	180	struct hdmi_spd_infoframe {
	181	enum hdmi_infoframe_type type;
	182	unsigned char version;
	183	unsigned char length;
	184	char vendor[8];
	185	char product[16];
	186	enum hdmi_spd_sdi sdi;
	187	};
	188
	189	int hdmi_spd_infoframe_init(struct hdmi_spd_infoframe *frame,
	190	const char vendor, const char product);
	191	ssize_t hdmi_spd_infoframe_pack(struct hdmi_spd_infoframe frame, void buffer,
	192	size_t size);
	193
	194	enum hdmi_audio_coding_type {
	195	HDMI_AUDIO_CODING_TYPE_STREAM,
	196	HDMI_AUDIO_CODING_TYPE_PCM,
	197	HDMI_AUDIO_CODING_TYPE_AC3,
	198	HDMI_AUDIO_CODING_TYPE_MPEG1,
	199	HDMI_AUDIO_CODING_TYPE_MP3,
	200	HDMI_AUDIO_CODING_TYPE_MPEG2,
	201	HDMI_AUDIO_CODING_TYPE_AAC_LC,
	202	HDMI_AUDIO_CODING_TYPE_DTS,
	203	HDMI_AUDIO_CODING_TYPE_ATRAC,
	204	HDMI_AUDIO_CODING_TYPE_DSD,
205	HDMI_AUDIO_CODING_TYPE_EAC3,
206	HDMI_AUDIO_CODING_TYPE_DTS_HD,
207	HDMI_AUDIO_CODING_TYPE_MLP,
208	HDMI_AUDIO_CODING_TYPE_DST,
209	HDMI_AUDIO_CODING_TYPE_WMA_PRO,
05c80d75	210	HDMI_AUDIO_CODING_TYPE_CXT,
f142d3bd TR	211	};
	212
	213	enum hdmi_audio_sample_size {
	214	HDMI_AUDIO_SAMPLE_SIZE_STREAM,
	215	HDMI_AUDIO_SAMPLE_SIZE_16,
	216	HDMI_AUDIO_SAMPLE_SIZE_20,
	217	HDMI_AUDIO_SAMPLE_SIZE_24,
	218	};
	219
	220	enum hdmi_audio_sample_frequency {
	221	HDMI_AUDIO_SAMPLE_FREQUENCY_STREAM,
	222	HDMI_AUDIO_SAMPLE_FREQUENCY_32000,
	223	HDMI_AUDIO_SAMPLE_FREQUENCY_44100,
	224	HDMI_AUDIO_SAMPLE_FREQUENCY_48000,
	225	HDMI_AUDIO_SAMPLE_FREQUENCY_88200,
	226	HDMI_AUDIO_SAMPLE_FREQUENCY_96000,
	227	HDMI_AUDIO_SAMPLE_FREQUENCY_176400,
	228	HDMI_AUDIO_SAMPLE_FREQUENCY_192000,
	229	};
	230
	231	enum hdmi_audio_coding_type_ext {
	232	HDMI_AUDIO_CODING_TYPE_EXT_STREAM,
05c80d75 HV	233
	234	/*
	235	* The next three CXT values are defined in CEA-861-E only.
	236	* They do not exist in older versions, and in CEA-861-F they are
	237	* defined as 'Not in use'.
	238	*/
f142d3bd TR	239	HDMI_AUDIO_CODING_TYPE_EXT_HE_AAC,
	240	HDMI_AUDIO_CODING_TYPE_EXT_HE_AAC_V2,
	241	HDMI_AUDIO_CODING_TYPE_EXT_MPEG_SURROUND,
05c80d75 HV	242
	243	/* The following CXT values are only defined in CEA-861-F. */
	244	HDMI_AUDIO_CODING_TYPE_EXT_MPEG4_HE_AAC,
	245	HDMI_AUDIO_CODING_TYPE_EXT_MPEG4_HE_AAC_V2,
	246	HDMI_AUDIO_CODING_TYPE_EXT_MPEG4_AAC_LC,
	247	HDMI_AUDIO_CODING_TYPE_EXT_DRA,
	248	HDMI_AUDIO_CODING_TYPE_EXT_MPEG4_HE_AAC_SURROUND,
	249	HDMI_AUDIO_CODING_TYPE_EXT_MPEG4_AAC_LC_SURROUND = 10,
f142d3bd TR	250	};
	251
	252	struct hdmi_audio_infoframe {
	253	enum hdmi_infoframe_type type;
	254	unsigned char version;
	255	unsigned char length;
	256	unsigned char channels;
	257	enum hdmi_audio_coding_type coding_type;
	258	enum hdmi_audio_sample_size sample_size;
	259	enum hdmi_audio_sample_frequency sample_frequency;
	260	enum hdmi_audio_coding_type_ext coding_type_ext;
	261	unsigned char channel_allocation;
	262	unsigned char level_shift_value;
	263	bool downmix_inhibit;
	264
	265	};
	266
	267	int hdmi_audio_infoframe_init(struct hdmi_audio_infoframe *frame);
	268	ssize_t hdmi_audio_infoframe_pack(struct hdmi_audio_infoframe *frame,
	269	void *buffer, size_t size);
	270
7d27becb LD	271	enum hdmi_3d_structure {
	272	HDMI_3D_STRUCTURE_INVALID = -1,
	273	HDMI_3D_STRUCTURE_FRAME_PACKING = 0,
	274	HDMI_3D_STRUCTURE_FIELD_ALTERNATIVE,
	275	HDMI_3D_STRUCTURE_LINE_ALTERNATIVE,
	276	HDMI_3D_STRUCTURE_SIDE_BY_SIDE_FULL,
	277	HDMI_3D_STRUCTURE_L_DEPTH,
	278	HDMI_3D_STRUCTURE_L_DEPTH_GFX_GFX_DEPTH,
	279	HDMI_3D_STRUCTURE_TOP_AND_BOTTOM,
	280	HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF = 8,
	281	};
	282
ae84b900 LD	283
ae84b900 LD	284	struct hdmi_vendor_infoframe {
7d27becb LD	285	enum hdmi_infoframe_type type;
	286	unsigned char version;
	287	unsigned char length;
af3e95b4	288	unsigned int oui;
7d27becb LD	289	u8 vic;
	290	enum hdmi_3d_structure s3d_struct;
	291	unsigned int s3d_ext_data;
	292	};
	293
ae84b900 LD	294	int hdmi_vendor_infoframe_init(struct hdmi_vendor_infoframe *frame);
	295	ssize_t hdmi_vendor_infoframe_pack(struct hdmi_vendor_infoframe *frame,
	296	void *buffer, size_t size);
7d27becb	297
ae84b900	298	union hdmi_vendor_any_infoframe {
af3e95b4 LD	299	struct {
	300	enum hdmi_infoframe_type type;
	301	unsigned char version;
	302	unsigned char length;
	303	unsigned int oui;
	304	} any;
ae84b900	305	struct hdmi_vendor_infoframe hdmi;
af3e95b4 LD	306	};
af3e95b4 LD	307
2d123f46 DV	308	/**
	309	* union hdmi_infoframe - overall union of all abstract infoframe representations
	310	* @any: generic infoframe
	311	* @avi: avi infoframe
	312	* @spd: spd infoframe
	313	* @vendor: union of all vendor infoframes
	314	* @audio: audio infoframe
	315	*
	316	* This is used by the generic pack function. This works since all infoframes
	317	* have the same header which also indicates which type of infoframe should be
	318	* packed.
	319	*/
72b09896 DL	320	union hdmi_infoframe {
	321	struct hdmi_any_infoframe any;
	322	struct hdmi_avi_infoframe avi;
	323	struct hdmi_spd_infoframe spd;
ae84b900	324	union hdmi_vendor_any_infoframe vendor;
72b09896 DL	325	struct hdmi_audio_infoframe audio;
	326	};
	327
	328	ssize_t
	329	hdmi_infoframe_pack(union hdmi_infoframe frame, void buffer, size_t size);
	330
f142d3bd	331	#endif /* _DRM_HDMI_H */