[linux-2.6-block.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_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 */
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
50dd1bd1	38	#define HDMI_FORUM_IEEE_OUI 0xc45dd8
f142d3bd TR	39	#define HDMI_INFOFRAME_HEADER_SIZE 4
	40	#define HDMI_AVI_INFOFRAME_SIZE 13
	41	#define HDMI_SPD_INFOFRAME_SIZE 25
	42	#define HDMI_AUDIO_INFOFRAME_SIZE 10
	43
61177b0e DL	44	#define HDMI_INFOFRAME_SIZE(type) \
	45	(HDMI_INFOFRAME_HEADER_SIZE + HDMI_ ## type ## _INFOFRAME_SIZE)
	46
72b09896 DL	47	struct hdmi_any_infoframe {
	48	enum hdmi_infoframe_type type;
	49	unsigned char version;
	50	unsigned char length;
	51	};
	52
f142d3bd TR	53	enum hdmi_colorspace {
	54	HDMI_COLORSPACE_RGB,
	55	HDMI_COLORSPACE_YUV422,
	56	HDMI_COLORSPACE_YUV444,
05c80d75 HV	57	HDMI_COLORSPACE_YUV420,
	58	HDMI_COLORSPACE_RESERVED4,
	59	HDMI_COLORSPACE_RESERVED5,
	60	HDMI_COLORSPACE_RESERVED6,
	61	HDMI_COLORSPACE_IDO_DEFINED,
f142d3bd TR	62	};
	63
	64	enum hdmi_scan_mode {
	65	HDMI_SCAN_MODE_NONE,
	66	HDMI_SCAN_MODE_OVERSCAN,
	67	HDMI_SCAN_MODE_UNDERSCAN,
05c80d75	68	HDMI_SCAN_MODE_RESERVED,
f142d3bd TR	69	};
	70
	71	enum hdmi_colorimetry {
	72	HDMI_COLORIMETRY_NONE,
	73	HDMI_COLORIMETRY_ITU_601,
	74	HDMI_COLORIMETRY_ITU_709,
	75	HDMI_COLORIMETRY_EXTENDED,
	76	};
	77
	78	enum hdmi_picture_aspect {
	79	HDMI_PICTURE_ASPECT_NONE,
	80	HDMI_PICTURE_ASPECT_4_3,
	81	HDMI_PICTURE_ASPECT_16_9,
a6e78b3e SS	82	HDMI_PICTURE_ASPECT_64_27,
a6e78b3e SS	83	HDMI_PICTURE_ASPECT_256_135,
05c80d75	84	HDMI_PICTURE_ASPECT_RESERVED,
f142d3bd TR	85	};
	86
	87	enum hdmi_active_aspect {
	88	HDMI_ACTIVE_ASPECT_16_9_TOP = 2,
	89	HDMI_ACTIVE_ASPECT_14_9_TOP = 3,
	90	HDMI_ACTIVE_ASPECT_16_9_CENTER = 4,
	91	HDMI_ACTIVE_ASPECT_PICTURE = 8,
	92	HDMI_ACTIVE_ASPECT_4_3 = 9,
	93	HDMI_ACTIVE_ASPECT_16_9 = 10,
	94	HDMI_ACTIVE_ASPECT_14_9 = 11,
	95	HDMI_ACTIVE_ASPECT_4_3_SP_14_9 = 13,
	96	HDMI_ACTIVE_ASPECT_16_9_SP_14_9 = 14,
	97	HDMI_ACTIVE_ASPECT_16_9_SP_4_3 = 15,
	98	};
	99
	100	enum hdmi_extended_colorimetry {
	101	HDMI_EXTENDED_COLORIMETRY_XV_YCC_601,
	102	HDMI_EXTENDED_COLORIMETRY_XV_YCC_709,
	103	HDMI_EXTENDED_COLORIMETRY_S_YCC_601,
463659a0 HV	104	HDMI_EXTENDED_COLORIMETRY_OPYCC_601,
463659a0 HV	105	HDMI_EXTENDED_COLORIMETRY_OPRGB,
05c80d75 HV	106
	107	/* The following EC values are only defined in CEA-861-F. */
	108	HDMI_EXTENDED_COLORIMETRY_BT2020_CONST_LUM,
	109	HDMI_EXTENDED_COLORIMETRY_BT2020,
	110	HDMI_EXTENDED_COLORIMETRY_RESERVED,
f142d3bd TR	111	};
	112
	113	enum hdmi_quantization_range {
	114	HDMI_QUANTIZATION_RANGE_DEFAULT,
	115	HDMI_QUANTIZATION_RANGE_LIMITED,
	116	HDMI_QUANTIZATION_RANGE_FULL,
05c80d75	117	HDMI_QUANTIZATION_RANGE_RESERVED,
f142d3bd TR	118	};
	119
	120	/* non-uniform picture scaling */
	121	enum hdmi_nups {
	122	HDMI_NUPS_UNKNOWN,
	123	HDMI_NUPS_HORIZONTAL,
	124	HDMI_NUPS_VERTICAL,
	125	HDMI_NUPS_BOTH,
	126	};
	127
	128	enum hdmi_ycc_quantization_range {
	129	HDMI_YCC_QUANTIZATION_RANGE_LIMITED,
	130	HDMI_YCC_QUANTIZATION_RANGE_FULL,
	131	};
	132
	133	enum hdmi_content_type {
05c80d75	134	HDMI_CONTENT_TYPE_GRAPHICS,
f142d3bd TR	135	HDMI_CONTENT_TYPE_PHOTO,
	136	HDMI_CONTENT_TYPE_CINEMA,
	137	HDMI_CONTENT_TYPE_GAME,
	138	};
	139
	140	struct hdmi_avi_infoframe {
	141	enum hdmi_infoframe_type type;
	142	unsigned char version;
	143	unsigned char length;
	144	enum hdmi_colorspace colorspace;
f142d3bd TR	145	enum hdmi_scan_mode scan_mode;
	146	enum hdmi_colorimetry colorimetry;
	147	enum hdmi_picture_aspect picture_aspect;
	148	enum hdmi_active_aspect active_aspect;
	149	bool itc;
	150	enum hdmi_extended_colorimetry extended_colorimetry;
	151	enum hdmi_quantization_range quantization_range;
	152	enum hdmi_nups nups;
	153	unsigned char video_code;
	154	enum hdmi_ycc_quantization_range ycc_quantization_range;
	155	enum hdmi_content_type content_type;
	156	unsigned char pixel_repeat;
	157	unsigned short top_bar;
	158	unsigned short bottom_bar;
	159	unsigned short left_bar;
	160	unsigned short right_bar;
	161	};
	162
	163	int hdmi_avi_infoframe_init(struct hdmi_avi_infoframe *frame);
	164	ssize_t hdmi_avi_infoframe_pack(struct hdmi_avi_infoframe frame, void buffer,
	165	size_t size);
c5e69ab3 VS	166	ssize_t hdmi_avi_infoframe_pack_only(const struct hdmi_avi_infoframe *frame,
	167	void *buffer, size_t size);
	168	int hdmi_avi_infoframe_check(struct hdmi_avi_infoframe *frame);
f142d3bd TR	169
	170	enum hdmi_spd_sdi {
	171	HDMI_SPD_SDI_UNKNOWN,
	172	HDMI_SPD_SDI_DSTB,
	173	HDMI_SPD_SDI_DVDP,
	174	HDMI_SPD_SDI_DVHS,
	175	HDMI_SPD_SDI_HDDVR,
	176	HDMI_SPD_SDI_DVC,
	177	HDMI_SPD_SDI_DSC,
	178	HDMI_SPD_SDI_VCD,
	179	HDMI_SPD_SDI_GAME,
	180	HDMI_SPD_SDI_PC,
	181	HDMI_SPD_SDI_BD,
	182	HDMI_SPD_SDI_SACD,
	183	HDMI_SPD_SDI_HDDVD,
	184	HDMI_SPD_SDI_PMP,
	185	};
	186
	187	struct hdmi_spd_infoframe {
	188	enum hdmi_infoframe_type type;
	189	unsigned char version;
	190	unsigned char length;
	191	char vendor[8];
	192	char product[16];
	193	enum hdmi_spd_sdi sdi;
	194	};
	195
	196	int hdmi_spd_infoframe_init(struct hdmi_spd_infoframe *frame,
	197	const char vendor, const char product);
	198	ssize_t hdmi_spd_infoframe_pack(struct hdmi_spd_infoframe frame, void buffer,
	199	size_t size);
c5e69ab3 VS	200	ssize_t hdmi_spd_infoframe_pack_only(const struct hdmi_spd_infoframe *frame,
	201	void *buffer, size_t size);
	202	int hdmi_spd_infoframe_check(struct hdmi_spd_infoframe *frame);
f142d3bd TR	203
	204	enum hdmi_audio_coding_type {
	205	HDMI_AUDIO_CODING_TYPE_STREAM,
	206	HDMI_AUDIO_CODING_TYPE_PCM,
	207	HDMI_AUDIO_CODING_TYPE_AC3,
	208	HDMI_AUDIO_CODING_TYPE_MPEG1,
	209	HDMI_AUDIO_CODING_TYPE_MP3,
	210	HDMI_AUDIO_CODING_TYPE_MPEG2,
	211	HDMI_AUDIO_CODING_TYPE_AAC_LC,
	212	HDMI_AUDIO_CODING_TYPE_DTS,
	213	HDMI_AUDIO_CODING_TYPE_ATRAC,
	214	HDMI_AUDIO_CODING_TYPE_DSD,
	215	HDMI_AUDIO_CODING_TYPE_EAC3,
	216	HDMI_AUDIO_CODING_TYPE_DTS_HD,
	217	HDMI_AUDIO_CODING_TYPE_MLP,
	218	HDMI_AUDIO_CODING_TYPE_DST,
	219	HDMI_AUDIO_CODING_TYPE_WMA_PRO,
05c80d75	220	HDMI_AUDIO_CODING_TYPE_CXT,
f142d3bd TR	221	};
	222
	223	enum hdmi_audio_sample_size {
	224	HDMI_AUDIO_SAMPLE_SIZE_STREAM,
	225	HDMI_AUDIO_SAMPLE_SIZE_16,
	226	HDMI_AUDIO_SAMPLE_SIZE_20,
	227	HDMI_AUDIO_SAMPLE_SIZE_24,
	228	};
	229
	230	enum hdmi_audio_sample_frequency {
	231	HDMI_AUDIO_SAMPLE_FREQUENCY_STREAM,
	232	HDMI_AUDIO_SAMPLE_FREQUENCY_32000,
	233	HDMI_AUDIO_SAMPLE_FREQUENCY_44100,
	234	HDMI_AUDIO_SAMPLE_FREQUENCY_48000,
	235	HDMI_AUDIO_SAMPLE_FREQUENCY_88200,
	236	HDMI_AUDIO_SAMPLE_FREQUENCY_96000,
	237	HDMI_AUDIO_SAMPLE_FREQUENCY_176400,
	238	HDMI_AUDIO_SAMPLE_FREQUENCY_192000,
	239	};
	240
	241	enum hdmi_audio_coding_type_ext {
dc189053 HV	242	/* Refer to Audio Coding Type (CT) field in Data Byte 1 */
dc189053 HV	243	HDMI_AUDIO_CODING_TYPE_EXT_CT,
05c80d75 HV	244
	245	/*
	246	* The next three CXT values are defined in CEA-861-E only.
	247	* They do not exist in older versions, and in CEA-861-F they are
	248	* defined as 'Not in use'.
	249	*/
f142d3bd TR	250	HDMI_AUDIO_CODING_TYPE_EXT_HE_AAC,
	251	HDMI_AUDIO_CODING_TYPE_EXT_HE_AAC_V2,
	252	HDMI_AUDIO_CODING_TYPE_EXT_MPEG_SURROUND,
05c80d75 HV	253
	254	/* The following CXT values are only defined in CEA-861-F. */
	255	HDMI_AUDIO_CODING_TYPE_EXT_MPEG4_HE_AAC,
	256	HDMI_AUDIO_CODING_TYPE_EXT_MPEG4_HE_AAC_V2,
	257	HDMI_AUDIO_CODING_TYPE_EXT_MPEG4_AAC_LC,
	258	HDMI_AUDIO_CODING_TYPE_EXT_DRA,
	259	HDMI_AUDIO_CODING_TYPE_EXT_MPEG4_HE_AAC_SURROUND,
	260	HDMI_AUDIO_CODING_TYPE_EXT_MPEG4_AAC_LC_SURROUND = 10,
f142d3bd TR	261	};
	262
	263	struct hdmi_audio_infoframe {
	264	enum hdmi_infoframe_type type;
	265	unsigned char version;
	266	unsigned char length;
	267	unsigned char channels;
	268	enum hdmi_audio_coding_type coding_type;
	269	enum hdmi_audio_sample_size sample_size;
	270	enum hdmi_audio_sample_frequency sample_frequency;
	271	enum hdmi_audio_coding_type_ext coding_type_ext;
	272	unsigned char channel_allocation;
	273	unsigned char level_shift_value;
	274	bool downmix_inhibit;
	275
	276	};
	277
	278	int hdmi_audio_infoframe_init(struct hdmi_audio_infoframe *frame);
	279	ssize_t hdmi_audio_infoframe_pack(struct hdmi_audio_infoframe *frame,
	280	void *buffer, size_t size);
c5e69ab3 VS	281	ssize_t hdmi_audio_infoframe_pack_only(const struct hdmi_audio_infoframe *frame,
	282	void *buffer, size_t size);
	283	int hdmi_audio_infoframe_check(struct hdmi_audio_infoframe *frame);
f142d3bd	284
7d27becb LD	285	enum hdmi_3d_structure {
	286	HDMI_3D_STRUCTURE_INVALID = -1,
	287	HDMI_3D_STRUCTURE_FRAME_PACKING = 0,
	288	HDMI_3D_STRUCTURE_FIELD_ALTERNATIVE,
	289	HDMI_3D_STRUCTURE_LINE_ALTERNATIVE,
	290	HDMI_3D_STRUCTURE_SIDE_BY_SIDE_FULL,
	291	HDMI_3D_STRUCTURE_L_DEPTH,
	292	HDMI_3D_STRUCTURE_L_DEPTH_GFX_GFX_DEPTH,
	293	HDMI_3D_STRUCTURE_TOP_AND_BOTTOM,
	294	HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF = 8,
	295	};
	296
ae84b900 LD	297
ae84b900 LD	298	struct hdmi_vendor_infoframe {
7d27becb LD	299	enum hdmi_infoframe_type type;
	300	unsigned char version;
	301	unsigned char length;
af3e95b4	302	unsigned int oui;
7d27becb LD	303	u8 vic;
	304	enum hdmi_3d_structure s3d_struct;
	305	unsigned int s3d_ext_data;
	306	};
	307
ae84b900 LD	308	int hdmi_vendor_infoframe_init(struct hdmi_vendor_infoframe *frame);
	309	ssize_t hdmi_vendor_infoframe_pack(struct hdmi_vendor_infoframe *frame,
	310	void *buffer, size_t size);
c5e69ab3 VS	311	ssize_t hdmi_vendor_infoframe_pack_only(const struct hdmi_vendor_infoframe *frame,
	312	void *buffer, size_t size);
	313	int hdmi_vendor_infoframe_check(struct hdmi_vendor_infoframe *frame);
7d27becb	314
ae84b900	315	union hdmi_vendor_any_infoframe {
af3e95b4 LD	316	struct {
	317	enum hdmi_infoframe_type type;
	318	unsigned char version;
	319	unsigned char length;
	320	unsigned int oui;
	321	} any;
ae84b900	322	struct hdmi_vendor_infoframe hdmi;
af3e95b4 LD	323	};
af3e95b4 LD	324
2d123f46 DV	325	/**
	326	* union hdmi_infoframe - overall union of all abstract infoframe representations
	327	* @any: generic infoframe
	328	* @avi: avi infoframe
	329	* @spd: spd infoframe
	330	* @vendor: union of all vendor infoframes
	331	* @audio: audio infoframe
	332	*
	333	* This is used by the generic pack function. This works since all infoframes
	334	* have the same header which also indicates which type of infoframe should be
	335	* packed.
	336	*/
72b09896 DL	337	union hdmi_infoframe {
	338	struct hdmi_any_infoframe any;
	339	struct hdmi_avi_infoframe avi;
	340	struct hdmi_spd_infoframe spd;
ae84b900	341	union hdmi_vendor_any_infoframe vendor;
72b09896 DL	342	struct hdmi_audio_infoframe audio;
	343	};
	344
c5e69ab3 VS	345	ssize_t hdmi_infoframe_pack(union hdmi_infoframe frame, void buffer,
	346	size_t size);
	347	ssize_t hdmi_infoframe_pack_only(const union hdmi_infoframe *frame,
	348	void *buffer, size_t size);
	349	int hdmi_infoframe_check(union hdmi_infoframe *frame);
f26e1de5	350	int hdmi_infoframe_unpack(union hdmi_infoframe *frame,
480b8b3e	351	const void *buffer, size_t size);
2c676f37	352	void hdmi_infoframe_log(const char level, struct device dev,
468d6a49	353	const union hdmi_infoframe *frame);
72b09896	354
f142d3bd	355	#endif /* _DRM_HDMI_H */