[linux-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_packet_type {
	HDMI_PACKET_TYPE_NULL = 0x00,
	HDMI_PACKET_TYPE_AUDIO_CLOCK_REGEN = 0x01,
	HDMI_PACKET_TYPE_AUDIO_SAMPLE = 0x02,
	HDMI_PACKET_TYPE_GENERAL_CONTROL = 0x03,
	HDMI_PACKET_TYPE_ACP = 0x04,
	HDMI_PACKET_TYPE_ISRC1 = 0x05,
	HDMI_PACKET_TYPE_ISRC2 = 0x06,
	HDMI_PACKET_TYPE_ONE_BIT_AUDIO_SAMPLE = 0x07,
	HDMI_PACKET_TYPE_DST_AUDIO = 0x08,
	HDMI_PACKET_TYPE_HBR_AUDIO_STREAM = 0x09,
	HDMI_PACKET_TYPE_GAMUT_METADATA = 0x0a,
	/* + enum hdmi_infoframe_type */
};

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	29
f1a2a540 VS	30	enum hdmi_packet_type {
	31	HDMI_PACKET_TYPE_NULL = 0x00,
	32	HDMI_PACKET_TYPE_AUDIO_CLOCK_REGEN = 0x01,
	33	HDMI_PACKET_TYPE_AUDIO_SAMPLE = 0x02,
	34	HDMI_PACKET_TYPE_GENERAL_CONTROL = 0x03,
	35	HDMI_PACKET_TYPE_ACP = 0x04,
	36	HDMI_PACKET_TYPE_ISRC1 = 0x05,
	37	HDMI_PACKET_TYPE_ISRC2 = 0x06,
	38	HDMI_PACKET_TYPE_ONE_BIT_AUDIO_SAMPLE = 0x07,
	39	HDMI_PACKET_TYPE_DST_AUDIO = 0x08,
	40	HDMI_PACKET_TYPE_HBR_AUDIO_STREAM = 0x09,
	41	HDMI_PACKET_TYPE_GAMUT_METADATA = 0x0a,
	42	/* + enum hdmi_infoframe_type */
	43	};
	44
f142d3bd TR	45	enum hdmi_infoframe_type {
	46	HDMI_INFOFRAME_TYPE_VENDOR = 0x81,
	47	HDMI_INFOFRAME_TYPE_AVI = 0x82,
	48	HDMI_INFOFRAME_TYPE_SPD = 0x83,
	49	HDMI_INFOFRAME_TYPE_AUDIO = 0x84,
	50	};
	51
6cb3b7f1	52	#define HDMI_IEEE_OUI 0x000c03
50dd1bd1	53	#define HDMI_FORUM_IEEE_OUI 0xc45dd8
f142d3bd TR	54	#define HDMI_INFOFRAME_HEADER_SIZE 4
	55	#define HDMI_AVI_INFOFRAME_SIZE 13
	56	#define HDMI_SPD_INFOFRAME_SIZE 25
	57	#define HDMI_AUDIO_INFOFRAME_SIZE 10
	58
61177b0e DL	59	#define HDMI_INFOFRAME_SIZE(type) \
	60	(HDMI_INFOFRAME_HEADER_SIZE + HDMI_ ## type ## _INFOFRAME_SIZE)
	61
72b09896 DL	62	struct hdmi_any_infoframe {
	63	enum hdmi_infoframe_type type;
	64	unsigned char version;
	65	unsigned char length;
	66	};
	67
f142d3bd TR	68	enum hdmi_colorspace {
	69	HDMI_COLORSPACE_RGB,
	70	HDMI_COLORSPACE_YUV422,
	71	HDMI_COLORSPACE_YUV444,
05c80d75 HV	72	HDMI_COLORSPACE_YUV420,
	73	HDMI_COLORSPACE_RESERVED4,
	74	HDMI_COLORSPACE_RESERVED5,
	75	HDMI_COLORSPACE_RESERVED6,
	76	HDMI_COLORSPACE_IDO_DEFINED,
f142d3bd TR	77	};
	78
	79	enum hdmi_scan_mode {
	80	HDMI_SCAN_MODE_NONE,
	81	HDMI_SCAN_MODE_OVERSCAN,
	82	HDMI_SCAN_MODE_UNDERSCAN,
05c80d75	83	HDMI_SCAN_MODE_RESERVED,
f142d3bd TR	84	};
	85
	86	enum hdmi_colorimetry {
	87	HDMI_COLORIMETRY_NONE,
	88	HDMI_COLORIMETRY_ITU_601,
	89	HDMI_COLORIMETRY_ITU_709,
	90	HDMI_COLORIMETRY_EXTENDED,
	91	};
	92
	93	enum hdmi_picture_aspect {
	94	HDMI_PICTURE_ASPECT_NONE,
	95	HDMI_PICTURE_ASPECT_4_3,
	96	HDMI_PICTURE_ASPECT_16_9,
a6e78b3e SS	97	HDMI_PICTURE_ASPECT_64_27,
a6e78b3e SS	98	HDMI_PICTURE_ASPECT_256_135,
05c80d75	99	HDMI_PICTURE_ASPECT_RESERVED,
f142d3bd TR	100	};
	101
	102	enum hdmi_active_aspect {
	103	HDMI_ACTIVE_ASPECT_16_9_TOP = 2,
	104	HDMI_ACTIVE_ASPECT_14_9_TOP = 3,
	105	HDMI_ACTIVE_ASPECT_16_9_CENTER = 4,
	106	HDMI_ACTIVE_ASPECT_PICTURE = 8,
	107	HDMI_ACTIVE_ASPECT_4_3 = 9,
	108	HDMI_ACTIVE_ASPECT_16_9 = 10,
	109	HDMI_ACTIVE_ASPECT_14_9 = 11,
	110	HDMI_ACTIVE_ASPECT_4_3_SP_14_9 = 13,
	111	HDMI_ACTIVE_ASPECT_16_9_SP_14_9 = 14,
	112	HDMI_ACTIVE_ASPECT_16_9_SP_4_3 = 15,
	113	};
	114
	115	enum hdmi_extended_colorimetry {
	116	HDMI_EXTENDED_COLORIMETRY_XV_YCC_601,
	117	HDMI_EXTENDED_COLORIMETRY_XV_YCC_709,
	118	HDMI_EXTENDED_COLORIMETRY_S_YCC_601,
463659a0 HV	119	HDMI_EXTENDED_COLORIMETRY_OPYCC_601,
463659a0 HV	120	HDMI_EXTENDED_COLORIMETRY_OPRGB,
05c80d75 HV	121
	122	/* The following EC values are only defined in CEA-861-F. */
	123	HDMI_EXTENDED_COLORIMETRY_BT2020_CONST_LUM,
	124	HDMI_EXTENDED_COLORIMETRY_BT2020,
	125	HDMI_EXTENDED_COLORIMETRY_RESERVED,
f142d3bd TR	126	};
	127
	128	enum hdmi_quantization_range {
	129	HDMI_QUANTIZATION_RANGE_DEFAULT,
	130	HDMI_QUANTIZATION_RANGE_LIMITED,
	131	HDMI_QUANTIZATION_RANGE_FULL,
05c80d75	132	HDMI_QUANTIZATION_RANGE_RESERVED,
f142d3bd TR	133	};
	134
	135	/* non-uniform picture scaling */
	136	enum hdmi_nups {
	137	HDMI_NUPS_UNKNOWN,
	138	HDMI_NUPS_HORIZONTAL,
	139	HDMI_NUPS_VERTICAL,
	140	HDMI_NUPS_BOTH,
	141	};
	142
	143	enum hdmi_ycc_quantization_range {
	144	HDMI_YCC_QUANTIZATION_RANGE_LIMITED,
	145	HDMI_YCC_QUANTIZATION_RANGE_FULL,
	146	};
	147
	148	enum hdmi_content_type {
05c80d75	149	HDMI_CONTENT_TYPE_GRAPHICS,
f142d3bd TR	150	HDMI_CONTENT_TYPE_PHOTO,
	151	HDMI_CONTENT_TYPE_CINEMA,
	152	HDMI_CONTENT_TYPE_GAME,
	153	};
	154
	155	struct hdmi_avi_infoframe {
	156	enum hdmi_infoframe_type type;
	157	unsigned char version;
	158	unsigned char length;
	159	enum hdmi_colorspace colorspace;
f142d3bd TR	160	enum hdmi_scan_mode scan_mode;
	161	enum hdmi_colorimetry colorimetry;
	162	enum hdmi_picture_aspect picture_aspect;
	163	enum hdmi_active_aspect active_aspect;
	164	bool itc;
	165	enum hdmi_extended_colorimetry extended_colorimetry;
	166	enum hdmi_quantization_range quantization_range;
	167	enum hdmi_nups nups;
	168	unsigned char video_code;
	169	enum hdmi_ycc_quantization_range ycc_quantization_range;
	170	enum hdmi_content_type content_type;
	171	unsigned char pixel_repeat;
	172	unsigned short top_bar;
	173	unsigned short bottom_bar;
	174	unsigned short left_bar;
	175	unsigned short right_bar;
	176	};
	177
	178	int hdmi_avi_infoframe_init(struct hdmi_avi_infoframe *frame);
	179	ssize_t hdmi_avi_infoframe_pack(struct hdmi_avi_infoframe frame, void buffer,
	180	size_t size);
c5e69ab3 VS	181	ssize_t hdmi_avi_infoframe_pack_only(const struct hdmi_avi_infoframe *frame,
	182	void *buffer, size_t size);
	183	int hdmi_avi_infoframe_check(struct hdmi_avi_infoframe *frame);
f142d3bd TR	184
	185	enum hdmi_spd_sdi {
	186	HDMI_SPD_SDI_UNKNOWN,
	187	HDMI_SPD_SDI_DSTB,
	188	HDMI_SPD_SDI_DVDP,
	189	HDMI_SPD_SDI_DVHS,
	190	HDMI_SPD_SDI_HDDVR,
	191	HDMI_SPD_SDI_DVC,
	192	HDMI_SPD_SDI_DSC,
	193	HDMI_SPD_SDI_VCD,
	194	HDMI_SPD_SDI_GAME,
	195	HDMI_SPD_SDI_PC,
	196	HDMI_SPD_SDI_BD,
	197	HDMI_SPD_SDI_SACD,
	198	HDMI_SPD_SDI_HDDVD,
	199	HDMI_SPD_SDI_PMP,
	200	};
	201
	202	struct hdmi_spd_infoframe {
	203	enum hdmi_infoframe_type type;
	204	unsigned char version;
	205	unsigned char length;
	206	char vendor[8];
	207	char product[16];
	208	enum hdmi_spd_sdi sdi;
	209	};
	210
	211	int hdmi_spd_infoframe_init(struct hdmi_spd_infoframe *frame,
	212	const char vendor, const char product);
	213	ssize_t hdmi_spd_infoframe_pack(struct hdmi_spd_infoframe frame, void buffer,
	214	size_t size);
c5e69ab3 VS	215	ssize_t hdmi_spd_infoframe_pack_only(const struct hdmi_spd_infoframe *frame,
	216	void *buffer, size_t size);
	217	int hdmi_spd_infoframe_check(struct hdmi_spd_infoframe *frame);
f142d3bd TR	218
	219	enum hdmi_audio_coding_type {
	220	HDMI_AUDIO_CODING_TYPE_STREAM,
	221	HDMI_AUDIO_CODING_TYPE_PCM,
	222	HDMI_AUDIO_CODING_TYPE_AC3,
	223	HDMI_AUDIO_CODING_TYPE_MPEG1,
	224	HDMI_AUDIO_CODING_TYPE_MP3,
	225	HDMI_AUDIO_CODING_TYPE_MPEG2,
	226	HDMI_AUDIO_CODING_TYPE_AAC_LC,
	227	HDMI_AUDIO_CODING_TYPE_DTS,
	228	HDMI_AUDIO_CODING_TYPE_ATRAC,
	229	HDMI_AUDIO_CODING_TYPE_DSD,
	230	HDMI_AUDIO_CODING_TYPE_EAC3,
	231	HDMI_AUDIO_CODING_TYPE_DTS_HD,
	232	HDMI_AUDIO_CODING_TYPE_MLP,
	233	HDMI_AUDIO_CODING_TYPE_DST,
	234	HDMI_AUDIO_CODING_TYPE_WMA_PRO,
05c80d75	235	HDMI_AUDIO_CODING_TYPE_CXT,
f142d3bd TR	236	};
	237
	238	enum hdmi_audio_sample_size {
	239	HDMI_AUDIO_SAMPLE_SIZE_STREAM,
	240	HDMI_AUDIO_SAMPLE_SIZE_16,
	241	HDMI_AUDIO_SAMPLE_SIZE_20,
	242	HDMI_AUDIO_SAMPLE_SIZE_24,
	243	};
	244
	245	enum hdmi_audio_sample_frequency {
	246	HDMI_AUDIO_SAMPLE_FREQUENCY_STREAM,
	247	HDMI_AUDIO_SAMPLE_FREQUENCY_32000,
	248	HDMI_AUDIO_SAMPLE_FREQUENCY_44100,
	249	HDMI_AUDIO_SAMPLE_FREQUENCY_48000,
	250	HDMI_AUDIO_SAMPLE_FREQUENCY_88200,
	251	HDMI_AUDIO_SAMPLE_FREQUENCY_96000,
	252	HDMI_AUDIO_SAMPLE_FREQUENCY_176400,
	253	HDMI_AUDIO_SAMPLE_FREQUENCY_192000,
	254	};
	255
	256	enum hdmi_audio_coding_type_ext {
dc189053 HV	257	/* Refer to Audio Coding Type (CT) field in Data Byte 1 */
dc189053 HV	258	HDMI_AUDIO_CODING_TYPE_EXT_CT,
05c80d75 HV	259
	260	/*
	261	* The next three CXT values are defined in CEA-861-E only.
	262	* They do not exist in older versions, and in CEA-861-F they are
	263	* defined as 'Not in use'.
	264	*/
f142d3bd TR	265	HDMI_AUDIO_CODING_TYPE_EXT_HE_AAC,
	266	HDMI_AUDIO_CODING_TYPE_EXT_HE_AAC_V2,
	267	HDMI_AUDIO_CODING_TYPE_EXT_MPEG_SURROUND,
05c80d75 HV	268
	269	/* The following CXT values are only defined in CEA-861-F. */
	270	HDMI_AUDIO_CODING_TYPE_EXT_MPEG4_HE_AAC,
	271	HDMI_AUDIO_CODING_TYPE_EXT_MPEG4_HE_AAC_V2,
	272	HDMI_AUDIO_CODING_TYPE_EXT_MPEG4_AAC_LC,
	273	HDMI_AUDIO_CODING_TYPE_EXT_DRA,
	274	HDMI_AUDIO_CODING_TYPE_EXT_MPEG4_HE_AAC_SURROUND,
	275	HDMI_AUDIO_CODING_TYPE_EXT_MPEG4_AAC_LC_SURROUND = 10,
f142d3bd TR	276	};
	277
	278	struct hdmi_audio_infoframe {
	279	enum hdmi_infoframe_type type;
	280	unsigned char version;
	281	unsigned char length;
	282	unsigned char channels;
	283	enum hdmi_audio_coding_type coding_type;
	284	enum hdmi_audio_sample_size sample_size;
	285	enum hdmi_audio_sample_frequency sample_frequency;
	286	enum hdmi_audio_coding_type_ext coding_type_ext;
	287	unsigned char channel_allocation;
	288	unsigned char level_shift_value;
	289	bool downmix_inhibit;
	290
	291	};
	292
	293	int hdmi_audio_infoframe_init(struct hdmi_audio_infoframe *frame);
	294	ssize_t hdmi_audio_infoframe_pack(struct hdmi_audio_infoframe *frame,
	295	void *buffer, size_t size);
c5e69ab3 VS	296	ssize_t hdmi_audio_infoframe_pack_only(const struct hdmi_audio_infoframe *frame,
	297	void *buffer, size_t size);
	298	int hdmi_audio_infoframe_check(struct hdmi_audio_infoframe *frame);
f142d3bd	299
7d27becb LD	300	enum hdmi_3d_structure {
	301	HDMI_3D_STRUCTURE_INVALID = -1,
	302	HDMI_3D_STRUCTURE_FRAME_PACKING = 0,
	303	HDMI_3D_STRUCTURE_FIELD_ALTERNATIVE,
	304	HDMI_3D_STRUCTURE_LINE_ALTERNATIVE,
	305	HDMI_3D_STRUCTURE_SIDE_BY_SIDE_FULL,
	306	HDMI_3D_STRUCTURE_L_DEPTH,
	307	HDMI_3D_STRUCTURE_L_DEPTH_GFX_GFX_DEPTH,
	308	HDMI_3D_STRUCTURE_TOP_AND_BOTTOM,
	309	HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF = 8,
	310	};
	311
ae84b900 LD	312
ae84b900 LD	313	struct hdmi_vendor_infoframe {
7d27becb LD	314	enum hdmi_infoframe_type type;
	315	unsigned char version;
	316	unsigned char length;
af3e95b4	317	unsigned int oui;
7d27becb LD	318	u8 vic;
	319	enum hdmi_3d_structure s3d_struct;
	320	unsigned int s3d_ext_data;
	321	};
	322
ae84b900 LD	323	int hdmi_vendor_infoframe_init(struct hdmi_vendor_infoframe *frame);
	324	ssize_t hdmi_vendor_infoframe_pack(struct hdmi_vendor_infoframe *frame,
	325	void *buffer, size_t size);
c5e69ab3 VS	326	ssize_t hdmi_vendor_infoframe_pack_only(const struct hdmi_vendor_infoframe *frame,
	327	void *buffer, size_t size);
	328	int hdmi_vendor_infoframe_check(struct hdmi_vendor_infoframe *frame);
7d27becb	329
ae84b900	330	union hdmi_vendor_any_infoframe {
af3e95b4 LD	331	struct {
	332	enum hdmi_infoframe_type type;
	333	unsigned char version;
	334	unsigned char length;
	335	unsigned int oui;
	336	} any;
ae84b900	337	struct hdmi_vendor_infoframe hdmi;
af3e95b4 LD	338	};
af3e95b4 LD	339
2d123f46 DV	340	/**
	341	* union hdmi_infoframe - overall union of all abstract infoframe representations
	342	* @any: generic infoframe
	343	* @avi: avi infoframe
	344	* @spd: spd infoframe
	345	* @vendor: union of all vendor infoframes
	346	* @audio: audio infoframe
	347	*
	348	* This is used by the generic pack function. This works since all infoframes
	349	* have the same header which also indicates which type of infoframe should be
	350	* packed.
	351	*/
72b09896 DL	352	union hdmi_infoframe {
	353	struct hdmi_any_infoframe any;
	354	struct hdmi_avi_infoframe avi;
	355	struct hdmi_spd_infoframe spd;
ae84b900	356	union hdmi_vendor_any_infoframe vendor;
72b09896 DL	357	struct hdmi_audio_infoframe audio;
	358	};
	359
c5e69ab3 VS	360	ssize_t hdmi_infoframe_pack(union hdmi_infoframe frame, void buffer,
	361	size_t size);
	362	ssize_t hdmi_infoframe_pack_only(const union hdmi_infoframe *frame,
	363	void *buffer, size_t size);
	364	int hdmi_infoframe_check(union hdmi_infoframe *frame);
f26e1de5	365	int hdmi_infoframe_unpack(union hdmi_infoframe *frame,
480b8b3e	366	const void *buffer, size_t size);
2c676f37	367	void hdmi_infoframe_log(const char level, struct device dev,
468d6a49	368	const union hdmi_infoframe *frame);
72b09896	369
f142d3bd	370	#endif /* _DRM_HDMI_H */