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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /include/linux/hdmi.h
Initial import
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diff --git a/include/linux/hdmi.h b/include/linux/hdmi.h
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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 <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 */