diff options
Diffstat (limited to 'include/linux/hdmi.h')
| -rw-r--r-- | include/linux/hdmi.h | 231 |
1 files changed, 231 insertions, 0 deletions
diff --git a/include/linux/hdmi.h b/include/linux/hdmi.h new file mode 100644 index 000000000000..3b589440ecfe --- /dev/null +++ b/include/linux/hdmi.h @@ -0,0 +1,231 @@ +/* + * Copyright (C) 2012 Avionic Design GmbH + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#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_INFOFRAME_HEADER_SIZE 4 +#define HDMI_AVI_INFOFRAME_SIZE 13 +#define HDMI_SPD_INFOFRAME_SIZE 25 +#define HDMI_AUDIO_INFOFRAME_SIZE 10 + +enum hdmi_colorspace { + HDMI_COLORSPACE_RGB, + HDMI_COLORSPACE_YUV422, + HDMI_COLORSPACE_YUV444, +}; + +enum hdmi_scan_mode { + HDMI_SCAN_MODE_NONE, + HDMI_SCAN_MODE_OVERSCAN, + HDMI_SCAN_MODE_UNDERSCAN, +}; + +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, +}; + +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, +}; + +enum hdmi_quantization_range { + HDMI_QUANTIZATION_RANGE_DEFAULT, + HDMI_QUANTIZATION_RANGE_LIMITED, + HDMI_QUANTIZATION_RANGE_FULL, +}; + +/* 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_NONE, + 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; + bool active_info_valid; + bool horizontal_bar_valid; + bool vertical_bar_valid; + 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, +}; + +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, + HDMI_AUDIO_CODING_TYPE_EXT_HE_AAC, + HDMI_AUDIO_CODING_TYPE_EXT_HE_AAC_V2, + HDMI_AUDIO_CODING_TYPE_EXT_MPEG_SURROUND, +}; + +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); + +struct hdmi_vendor_infoframe { + enum hdmi_infoframe_type type; + unsigned char version; + unsigned char length; + u8 data[27]; +}; + +ssize_t hdmi_vendor_infoframe_pack(struct hdmi_vendor_infoframe *frame, + void *buffer, size_t size); + +#endif /* _DRM_HDMI_H */ |