[linux.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>
#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_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 */
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>
2c676f37	28	#include <linux/device.h>
f142d3bd TR	29
	30	enum hdmi_infoframe_type {
	31	HDMI_INFOFRAME_TYPE_VENDOR = 0x81,
	32	HDMI_INFOFRAME_TYPE_AVI = 0x82,
	33	HDMI_INFOFRAME_TYPE_SPD = 0x83,
	34	HDMI_INFOFRAME_TYPE_AUDIO = 0x84,
	35	};
	36
6cb3b7f1	37	#define HDMI_IEEE_OUI 0x000c03
f142d3bd TR	38	#define HDMI_INFOFRAME_HEADER_SIZE 4
	39	#define HDMI_AVI_INFOFRAME_SIZE 13
	40	#define HDMI_SPD_INFOFRAME_SIZE 25
	41	#define HDMI_AUDIO_INFOFRAME_SIZE 10
	42
61177b0e DL	43	#define HDMI_INFOFRAME_SIZE(type) \
	44	(HDMI_INFOFRAME_HEADER_SIZE + HDMI_ ## type ## _INFOFRAME_SIZE)
	45
72b09896 DL	46	struct hdmi_any_infoframe {
	47	enum hdmi_infoframe_type type;
	48	unsigned char version;
	49	unsigned char length;
	50	};
	51
f142d3bd TR	52	enum hdmi_colorspace {
	53	HDMI_COLORSPACE_RGB,
	54	HDMI_COLORSPACE_YUV422,
	55	HDMI_COLORSPACE_YUV444,
05c80d75 HV	56	HDMI_COLORSPACE_YUV420,
	57	HDMI_COLORSPACE_RESERVED4,
	58	HDMI_COLORSPACE_RESERVED5,
	59	HDMI_COLORSPACE_RESERVED6,
	60	HDMI_COLORSPACE_IDO_DEFINED,
f142d3bd TR	61	};
	62
	63	enum hdmi_scan_mode {
	64	HDMI_SCAN_MODE_NONE,
	65	HDMI_SCAN_MODE_OVERSCAN,
	66	HDMI_SCAN_MODE_UNDERSCAN,
05c80d75	67	HDMI_SCAN_MODE_RESERVED,
f142d3bd TR	68	};
	69
	70	enum hdmi_colorimetry {
	71	HDMI_COLORIMETRY_NONE,
	72	HDMI_COLORIMETRY_ITU_601,
	73	HDMI_COLORIMETRY_ITU_709,
	74	HDMI_COLORIMETRY_EXTENDED,
	75	};
	76
	77	enum hdmi_picture_aspect {
	78	HDMI_PICTURE_ASPECT_NONE,
	79	HDMI_PICTURE_ASPECT_4_3,
	80	HDMI_PICTURE_ASPECT_16_9,
05c80d75	81	HDMI_PICTURE_ASPECT_RESERVED,
f142d3bd TR	82	};
	83
	84	enum hdmi_active_aspect {
	85	HDMI_ACTIVE_ASPECT_16_9_TOP = 2,
	86	HDMI_ACTIVE_ASPECT_14_9_TOP = 3,
	87	HDMI_ACTIVE_ASPECT_16_9_CENTER = 4,
	88	HDMI_ACTIVE_ASPECT_PICTURE = 8,
	89	HDMI_ACTIVE_ASPECT_4_3 = 9,
	90	HDMI_ACTIVE_ASPECT_16_9 = 10,
	91	HDMI_ACTIVE_ASPECT_14_9 = 11,
	92	HDMI_ACTIVE_ASPECT_4_3_SP_14_9 = 13,
	93	HDMI_ACTIVE_ASPECT_16_9_SP_14_9 = 14,
	94	HDMI_ACTIVE_ASPECT_16_9_SP_4_3 = 15,
	95	};
	96
	97	enum hdmi_extended_colorimetry {
	98	HDMI_EXTENDED_COLORIMETRY_XV_YCC_601,
	99	HDMI_EXTENDED_COLORIMETRY_XV_YCC_709,
	100	HDMI_EXTENDED_COLORIMETRY_S_YCC_601,
	101	HDMI_EXTENDED_COLORIMETRY_ADOBE_YCC_601,
	102	HDMI_EXTENDED_COLORIMETRY_ADOBE_RGB,
05c80d75 HV	103
	104	/* The following EC values are only defined in CEA-861-F. */
	105	HDMI_EXTENDED_COLORIMETRY_BT2020_CONST_LUM,
	106	HDMI_EXTENDED_COLORIMETRY_BT2020,
	107	HDMI_EXTENDED_COLORIMETRY_RESERVED,
f142d3bd TR	108	};
	109
	110	enum hdmi_quantization_range {
	111	HDMI_QUANTIZATION_RANGE_DEFAULT,
	112	HDMI_QUANTIZATION_RANGE_LIMITED,
	113	HDMI_QUANTIZATION_RANGE_FULL,
05c80d75	114	HDMI_QUANTIZATION_RANGE_RESERVED,
f142d3bd TR	115	};
	116
	117	/* non-uniform picture scaling */
	118	enum hdmi_nups {
	119	HDMI_NUPS_UNKNOWN,
	120	HDMI_NUPS_HORIZONTAL,
	121	HDMI_NUPS_VERTICAL,
	122	HDMI_NUPS_BOTH,
	123	};
	124
	125	enum hdmi_ycc_quantization_range {
	126	HDMI_YCC_QUANTIZATION_RANGE_LIMITED,
	127	HDMI_YCC_QUANTIZATION_RANGE_FULL,
	128	};
	129
	130	enum hdmi_content_type {
05c80d75	131	HDMI_CONTENT_TYPE_GRAPHICS,
f142d3bd TR	132	HDMI_CONTENT_TYPE_PHOTO,
	133	HDMI_CONTENT_TYPE_CINEMA,
	134	HDMI_CONTENT_TYPE_GAME,
	135	};
	136
	137	struct hdmi_avi_infoframe {
	138	enum hdmi_infoframe_type type;
	139	unsigned char version;
	140	unsigned char length;
	141	enum hdmi_colorspace colorspace;
f142d3bd TR	142	enum hdmi_scan_mode scan_mode;
	143	enum hdmi_colorimetry colorimetry;
	144	enum hdmi_picture_aspect picture_aspect;
	145	enum hdmi_active_aspect active_aspect;
	146	bool itc;
	147	enum hdmi_extended_colorimetry extended_colorimetry;
	148	enum hdmi_quantization_range quantization_range;
	149	enum hdmi_nups nups;
	150	unsigned char video_code;
	151	enum hdmi_ycc_quantization_range ycc_quantization_range;
	152	enum hdmi_content_type content_type;
	153	unsigned char pixel_repeat;
	154	unsigned short top_bar;
	155	unsigned short bottom_bar;
	156	unsigned short left_bar;
	157	unsigned short right_bar;
	158	};
	159
	160	int hdmi_avi_infoframe_init(struct hdmi_avi_infoframe *frame);
	161	ssize_t hdmi_avi_infoframe_pack(struct hdmi_avi_infoframe frame, void buffer,
	162	size_t size);
	163
	164	enum hdmi_spd_sdi {
	165	HDMI_SPD_SDI_UNKNOWN,
	166	HDMI_SPD_SDI_DSTB,
	167	HDMI_SPD_SDI_DVDP,
	168	HDMI_SPD_SDI_DVHS,
	169	HDMI_SPD_SDI_HDDVR,
	170	HDMI_SPD_SDI_DVC,
	171	HDMI_SPD_SDI_DSC,
	172	HDMI_SPD_SDI_VCD,
	173	HDMI_SPD_SDI_GAME,
	174	HDMI_SPD_SDI_PC,
	175	HDMI_SPD_SDI_BD,
	176	HDMI_SPD_SDI_SACD,
	177	HDMI_SPD_SDI_HDDVD,
	178	HDMI_SPD_SDI_PMP,
	179	};
	180
	181	struct hdmi_spd_infoframe {
	182	enum hdmi_infoframe_type type;
	183	unsigned char version;
	184	unsigned char length;
	185	char vendor[8];
	186	char product[16];
	187	enum hdmi_spd_sdi sdi;
	188	};
	189
	190	int hdmi_spd_infoframe_init(struct hdmi_spd_infoframe *frame,
	191	const char vendor, const char product);
	192	ssize_t hdmi_spd_infoframe_pack(struct hdmi_spd_infoframe frame, void buffer,
	193	size_t size);
	194
	195	enum hdmi_audio_coding_type {
	196	HDMI_AUDIO_CODING_TYPE_STREAM,
	197	HDMI_AUDIO_CODING_TYPE_PCM,
	198	HDMI_AUDIO_CODING_TYPE_AC3,
	199	HDMI_AUDIO_CODING_TYPE_MPEG1,
	200	HDMI_AUDIO_CODING_TYPE_MP3,
	201	HDMI_AUDIO_CODING_TYPE_MPEG2,
	202	HDMI_AUDIO_CODING_TYPE_AAC_LC,
	203	HDMI_AUDIO_CODING_TYPE_DTS,
	204	HDMI_AUDIO_CODING_TYPE_ATRAC,
	205	HDMI_AUDIO_CODING_TYPE_DSD,
206	HDMI_AUDIO_CODING_TYPE_EAC3,
207	HDMI_AUDIO_CODING_TYPE_DTS_HD,
208	HDMI_AUDIO_CODING_TYPE_MLP,
209	HDMI_AUDIO_CODING_TYPE_DST,
210	HDMI_AUDIO_CODING_TYPE_WMA_PRO,
05c80d75	211	HDMI_AUDIO_CODING_TYPE_CXT,
f142d3bd TR	212	};
	213
	214	enum hdmi_audio_sample_size {
	215	HDMI_AUDIO_SAMPLE_SIZE_STREAM,
	216	HDMI_AUDIO_SAMPLE_SIZE_16,
	217	HDMI_AUDIO_SAMPLE_SIZE_20,
	218	HDMI_AUDIO_SAMPLE_SIZE_24,
	219	};
	220
	221	enum hdmi_audio_sample_frequency {
	222	HDMI_AUDIO_SAMPLE_FREQUENCY_STREAM,
	223	HDMI_AUDIO_SAMPLE_FREQUENCY_32000,
	224	HDMI_AUDIO_SAMPLE_FREQUENCY_44100,
	225	HDMI_AUDIO_SAMPLE_FREQUENCY_48000,
	226	HDMI_AUDIO_SAMPLE_FREQUENCY_88200,
	227	HDMI_AUDIO_SAMPLE_FREQUENCY_96000,
	228	HDMI_AUDIO_SAMPLE_FREQUENCY_176400,
	229	HDMI_AUDIO_SAMPLE_FREQUENCY_192000,
	230	};
	231
	232	enum hdmi_audio_coding_type_ext {
dc189053 HV	233	/* Refer to Audio Coding Type (CT) field in Data Byte 1 */
dc189053 HV	234	HDMI_AUDIO_CODING_TYPE_EXT_CT,
05c80d75 HV	235
	236	/*
	237	* The next three CXT values are defined in CEA-861-E only.
	238	* They do not exist in older versions, and in CEA-861-F they are
	239	* defined as 'Not in use'.
	240	*/
f142d3bd TR	241	HDMI_AUDIO_CODING_TYPE_EXT_HE_AAC,
	242	HDMI_AUDIO_CODING_TYPE_EXT_HE_AAC_V2,
	243	HDMI_AUDIO_CODING_TYPE_EXT_MPEG_SURROUND,
05c80d75 HV	244
	245	/* The following CXT values are only defined in CEA-861-F. */
	246	HDMI_AUDIO_CODING_TYPE_EXT_MPEG4_HE_AAC,
	247	HDMI_AUDIO_CODING_TYPE_EXT_MPEG4_HE_AAC_V2,
	248	HDMI_AUDIO_CODING_TYPE_EXT_MPEG4_AAC_LC,
	249	HDMI_AUDIO_CODING_TYPE_EXT_DRA,
	250	HDMI_AUDIO_CODING_TYPE_EXT_MPEG4_HE_AAC_SURROUND,
	251	HDMI_AUDIO_CODING_TYPE_EXT_MPEG4_AAC_LC_SURROUND = 10,
f142d3bd TR	252	};
	253
	254	struct hdmi_audio_infoframe {
	255	enum hdmi_infoframe_type type;
	256	unsigned char version;
	257	unsigned char length;
	258	unsigned char channels;
	259	enum hdmi_audio_coding_type coding_type;
	260	enum hdmi_audio_sample_size sample_size;
	261	enum hdmi_audio_sample_frequency sample_frequency;
	262	enum hdmi_audio_coding_type_ext coding_type_ext;
	263	unsigned char channel_allocation;
	264	unsigned char level_shift_value;
	265	bool downmix_inhibit;
	266
	267	};
	268
	269	int hdmi_audio_infoframe_init(struct hdmi_audio_infoframe *frame);
	270	ssize_t hdmi_audio_infoframe_pack(struct hdmi_audio_infoframe *frame,
	271	void *buffer, size_t size);
	272
7d27becb LD	273	enum hdmi_3d_structure {
	274	HDMI_3D_STRUCTURE_INVALID = -1,
	275	HDMI_3D_STRUCTURE_FRAME_PACKING = 0,
	276	HDMI_3D_STRUCTURE_FIELD_ALTERNATIVE,
	277	HDMI_3D_STRUCTURE_LINE_ALTERNATIVE,
	278	HDMI_3D_STRUCTURE_SIDE_BY_SIDE_FULL,
	279	HDMI_3D_STRUCTURE_L_DEPTH,
	280	HDMI_3D_STRUCTURE_L_DEPTH_GFX_GFX_DEPTH,
	281	HDMI_3D_STRUCTURE_TOP_AND_BOTTOM,
	282	HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF = 8,
	283	};
	284
ae84b900 LD	285
ae84b900 LD	286	struct hdmi_vendor_infoframe {
7d27becb LD	287	enum hdmi_infoframe_type type;
	288	unsigned char version;
	289	unsigned char length;
af3e95b4	290	unsigned int oui;
7d27becb LD	291	u8 vic;
	292	enum hdmi_3d_structure s3d_struct;
	293	unsigned int s3d_ext_data;
	294	};
	295
ae84b900 LD	296	int hdmi_vendor_infoframe_init(struct hdmi_vendor_infoframe *frame);
	297	ssize_t hdmi_vendor_infoframe_pack(struct hdmi_vendor_infoframe *frame,
	298	void *buffer, size_t size);
7d27becb	299
ae84b900	300	union hdmi_vendor_any_infoframe {
af3e95b4 LD	301	struct {
	302	enum hdmi_infoframe_type type;
	303	unsigned char version;
	304	unsigned char length;
	305	unsigned int oui;
	306	} any;
ae84b900	307	struct hdmi_vendor_infoframe hdmi;
af3e95b4 LD	308	};
af3e95b4 LD	309
2d123f46 SV	310	/**
	311	* union hdmi_infoframe - overall union of all abstract infoframe representations
	312	* @any: generic infoframe
	313	* @avi: avi infoframe
	314	* @spd: spd infoframe
	315	* @vendor: union of all vendor infoframes
	316	* @audio: audio infoframe
	317	*
	318	* This is used by the generic pack function. This works since all infoframes
	319	* have the same header which also indicates which type of infoframe should be
	320	* packed.
	321	*/
72b09896 DL	322	union hdmi_infoframe {
	323	struct hdmi_any_infoframe any;
	324	struct hdmi_avi_infoframe avi;
	325	struct hdmi_spd_infoframe spd;
ae84b900	326	union hdmi_vendor_any_infoframe vendor;
72b09896 DL	327	struct hdmi_audio_infoframe audio;
	328	};
	329
	330	ssize_t
	331	hdmi_infoframe_pack(union hdmi_infoframe frame, void buffer, size_t size);
2c676f37 MB	332	int hdmi_infoframe_unpack(union hdmi_infoframe frame, void buffer);
	333	void hdmi_infoframe_log(const char level, struct device dev,
	334	union hdmi_infoframe *frame);
72b09896	335
f142d3bd	336	#endif /* _DRM_HDMI_H */