/*
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* (C) Copyright 2008-2016 Fuzhou Rockchip Electronics Co., Ltd
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef _DRM_MODES_H
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#define _DRM_MODES_H
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#include "fdtdec.h"
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#define DRM_DISPLAY_INFO_LEN 32
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#define DRM_CONNECTOR_NAME_LEN 32
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#define DRM_DISPLAY_MODE_LEN 32
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#define DRM_PROP_NAME_LEN 32
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#define DRM_MODE_TYPE_BUILTIN (1<<0)
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#define DRM_MODE_TYPE_CLOCK_C ((1<<1) | DRM_MODE_TYPE_BUILTIN)
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#define DRM_MODE_TYPE_CRTC_C ((1<<2) | DRM_MODE_TYPE_BUILTIN)
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#define DRM_MODE_TYPE_PREFERRED (1<<3)
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#define DRM_MODE_TYPE_DEFAULT (1<<4)
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#define DRM_MODE_TYPE_USERDEF (1<<5)
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#define DRM_MODE_TYPE_DRIVER (1<<6)
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/* Video mode flags */
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/* bit compatible with the xorg definitions. */
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#define DRM_MODE_FLAG_PHSYNC (1 << 0)
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#define DRM_MODE_FLAG_NHSYNC (1 << 1)
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#define DRM_MODE_FLAG_PVSYNC (1 << 2)
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#define DRM_MODE_FLAG_NVSYNC (1 << 3)
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#define DRM_MODE_FLAG_INTERLACE (1 << 4)
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#define DRM_MODE_FLAG_DBLSCAN (1 << 5)
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#define DRM_MODE_FLAG_CSYNC (1 << 6)
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#define DRM_MODE_FLAG_PCSYNC (1 << 7)
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#define DRM_MODE_FLAG_NCSYNC (1 << 8)
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#define DRM_MODE_FLAG_HSKEW (1 << 9) /* hskew provided */
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#define DRM_MODE_FLAG_BCAST (1 << 10)
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#define DRM_MODE_FLAG_PIXMUX (1 << 11)
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#define DRM_MODE_FLAG_DBLCLK (1 << 12)
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#define DRM_MODE_FLAG_CLKDIV2 (1 << 13)
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/*
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* When adding a new stereo mode don't forget to adjust DRM_MODE_FLAGS_3D_MAX
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* (define not exposed to user space).
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*/
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#define DRM_MODE_FLAG_3D_MASK (0x1f << 14)
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#define DRM_MODE_FLAG_3D_NONE (0 << 14)
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#define DRM_MODE_FLAG_3D_FRAME_PACKING (1 << 14)
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#define DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE (2 << 14)
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#define DRM_MODE_FLAG_3D_LINE_ALTERNATIVE (3 << 14)
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#define DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL (4 << 14)
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#define DRM_MODE_FLAG_3D_L_DEPTH (5 << 14)
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#define DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH (6 << 14)
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#define DRM_MODE_FLAG_3D_TOP_AND_BOTTOM (7 << 14)
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#define DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF (8 << 14)
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/* Panel Mirror control */
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#define DRM_MODE_FLAG_XMIRROR (1<<28)
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#define DRM_MODE_FLAG_YMIRROR (1<<29)
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#define DRM_MODE_FLAG_XYMIRROR (DRM_MODE_FLAG_XMIRROR | DRM_MODE_FLAG_YMIRROR)
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/* Picture aspect ratio options */
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#define DRM_MODE_PICTURE_ASPECT_NONE 0
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#define DRM_MODE_PICTURE_ASPECT_4_3 1
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#define DRM_MODE_PICTURE_ASPECT_16_9 2
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#define DRM_MODE_PICTURE_ASPECT_64_27 3
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#define DRM_MODE_PICTURE_ASPECT_256_135 4
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/* Aspect ratio flag bitmask (4 bits 22:19) */
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#define DRM_MODE_FLAG_PIC_AR_MASK (0x0F << 19)
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#define DRM_MODE_FLAG_PIC_AR_NONE \
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(DRM_MODE_PICTURE_ASPECT_NONE << 19)
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#define DRM_MODE_FLAG_PIC_AR_4_3 \
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(DRM_MODE_PICTURE_ASPECT_4_3 << 19)
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#define DRM_MODE_FLAG_PIC_AR_16_9 \
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(DRM_MODE_PICTURE_ASPECT_16_9 << 19)
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#define DRM_MODE_FLAG_PIC_AR_64_27 \
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(DRM_MODE_PICTURE_ASPECT_64_27 << 19)
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#define DRM_MODE_FLAG_PIC_AR_256_135 \
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(DRM_MODE_PICTURE_ASPECT_256_135 << 19)
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#define DRM_MODE_CONNECTOR_Unknown 0
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#define DRM_MODE_CONNECTOR_VGA 1
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#define DRM_MODE_CONNECTOR_DVII 2
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#define DRM_MODE_CONNECTOR_DVID 3
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#define DRM_MODE_CONNECTOR_DVIA 4
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#define DRM_MODE_CONNECTOR_Composite 5
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#define DRM_MODE_CONNECTOR_SVIDEO 6
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#define DRM_MODE_CONNECTOR_LVDS 7
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#define DRM_MODE_CONNECTOR_Component 8
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#define DRM_MODE_CONNECTOR_9PinDIN 9
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#define DRM_MODE_CONNECTOR_DisplayPort 10
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#define DRM_MODE_CONNECTOR_HDMIA 11
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#define DRM_MODE_CONNECTOR_HDMIB 12
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#define DRM_MODE_CONNECTOR_TV 13
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#define DRM_MODE_CONNECTOR_eDP 14
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#define DRM_MODE_CONNECTOR_VIRTUAL 15
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#define DRM_MODE_CONNECTOR_DSI 16
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#define DRM_MODE_CONNECTOR_DPI 17
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#define DRM_EDID_PT_HSYNC_POSITIVE (1 << 1)
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#define DRM_EDID_PT_VSYNC_POSITIVE (1 << 2)
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#define DRM_EDID_PT_SEPARATE_SYNC (3 << 3)
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#define DRM_EDID_PT_STEREO (1 << 5)
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#define DRM_EDID_PT_INTERLACED (1 << 7)
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/* see also http://vektor.theorem.ca/graphics/ycbcr/ */
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enum v4l2_colorspace {
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/*
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* Default colorspace, i.e. let the driver figure it out.
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* Can only be used with video capture.
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*/
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V4L2_COLORSPACE_DEFAULT = 0,
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/* SMPTE 170M: used for broadcast NTSC/PAL SDTV */
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V4L2_COLORSPACE_SMPTE170M = 1,
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/* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */
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V4L2_COLORSPACE_SMPTE240M = 2,
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/* Rec.709: used for HDTV */
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V4L2_COLORSPACE_REC709 = 3,
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/*
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* Deprecated, do not use. No driver will ever return this. This was
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* based on a misunderstanding of the bt878 datasheet.
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*/
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V4L2_COLORSPACE_BT878 = 4,
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/*
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* NTSC 1953 colorspace. This only makes sense when dealing with
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* really, really old NTSC recordings. Superseded by SMPTE 170M.
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*/
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V4L2_COLORSPACE_470_SYSTEM_M = 5,
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/*
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* EBU Tech 3213 PAL/SECAM colorspace. This only makes sense when
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* dealing with really old PAL/SECAM recordings. Superseded by
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* SMPTE 170M.
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*/
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V4L2_COLORSPACE_470_SYSTEM_BG = 6,
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/*
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* Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601
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* and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG.
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*/
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V4L2_COLORSPACE_JPEG = 7,
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/* For RGB colorspaces such as produces by most webcams. */
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V4L2_COLORSPACE_SRGB = 8,
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/* AdobeRGB colorspace */
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V4L2_COLORSPACE_ADOBERGB = 9,
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/* BT.2020 colorspace, used for UHDTV. */
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V4L2_COLORSPACE_BT2020 = 10,
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/* Raw colorspace: for RAW unprocessed images */
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V4L2_COLORSPACE_RAW = 11,
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/* DCI-P3 colorspace, used by cinema projectors */
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V4L2_COLORSPACE_DCI_P3 = 12,
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};
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#define CRTC_INTERLACE_HALVE_V (1 << 0) /* halve V values for interlacing */
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#define CRTC_STEREO_DOUBLE (1 << 1) /* adjust timings for stereo modes */
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#define CRTC_NO_DBLSCAN (1 << 2) /* don't adjust doublescan */
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#define CRTC_NO_VSCAN (1 << 3) /* don't adjust doublescan */
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#define CRTC_STEREO_DOUBLE_ONLY (CRTC_STEREO_DOUBLE | CRTC_NO_DBLSCAN | \
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CRTC_NO_VSCAN)
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#define DRM_MODE_FLAG_3D_MAX DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF
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#define DRM_MODE_MATCH_TIMINGS (1 << 0)
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#define DRM_MODE_MATCH_CLOCK (1 << 1)
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#define DRM_MODE_MATCH_FLAGS (1 << 2)
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#define DRM_MODE_MATCH_3D_FLAGS (1 << 3)
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#define DRM_MODE_MATCH_ASPECT_RATIO (1 << 4)
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struct drm_display_mode {
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/* Proposed mode values */
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int clock; /* in kHz */
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int hdisplay;
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int hsync_start;
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int hsync_end;
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int htotal;
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int vdisplay;
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int vsync_start;
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int vsync_end;
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int vtotal;
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int vrefresh;
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int vscan;
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unsigned int flags;
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int picture_aspect_ratio;
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int hskew;
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unsigned int type;
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/* Actual mode we give to hw */
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int crtc_clock; /* in KHz */
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int crtc_hdisplay;
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int crtc_hblank_start;
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int crtc_hblank_end;
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int crtc_hsync_start;
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int crtc_hsync_end;
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int crtc_htotal;
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int crtc_hskew;
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int crtc_vdisplay;
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int crtc_vblank_start;
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int crtc_vblank_end;
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int crtc_vsync_start;
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int crtc_vsync_end;
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int crtc_vtotal;
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bool invalid;
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};
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/**
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* enum drm_mode_status - hardware support status of a mode
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* @MODE_OK: Mode OK
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* @MODE_HSYNC: hsync out of range
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* @MODE_VSYNC: vsync out of range
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* @MODE_H_ILLEGAL: mode has illegal horizontal timings
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* @MODE_V_ILLEGAL: mode has illegal vertical timings
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* @MODE_BAD_WIDTH: requires an unsupported linepitch
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* @MODE_NOMODE: no mode with a matching name
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* @MODE_NO_INTERLACE: interlaced mode not supported
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* @MODE_NO_DBLESCAN: doublescan mode not supported
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* @MODE_NO_VSCAN: multiscan mode not supported
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* @MODE_MEM: insufficient video memory
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* @MODE_VIRTUAL_X: mode width too large for specified virtual size
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* @MODE_VIRTUAL_Y: mode height too large for specified virtual size
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* @MODE_MEM_VIRT: insufficient video memory given virtual size
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* @MODE_NOCLOCK: no fixed clock available
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* @MODE_CLOCK_HIGH: clock required is too high
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* @MODE_CLOCK_LOW: clock required is too low
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* @MODE_CLOCK_RANGE: clock/mode isn't in a ClockRange
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* @MODE_BAD_HVALUE: horizontal timing was out of range
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* @MODE_BAD_VVALUE: vertical timing was out of range
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* @MODE_BAD_VSCAN: VScan value out of range
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* @MODE_HSYNC_NARROW: horizontal sync too narrow
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* @MODE_HSYNC_WIDE: horizontal sync too wide
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* @MODE_HBLANK_NARROW: horizontal blanking too narrow
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* @MODE_HBLANK_WIDE: horizontal blanking too wide
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* @MODE_VSYNC_NARROW: vertical sync too narrow
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* @MODE_VSYNC_WIDE: vertical sync too wide
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* @MODE_VBLANK_NARROW: vertical blanking too narrow
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* @MODE_VBLANK_WIDE: vertical blanking too wide
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* @MODE_PANEL: exceeds panel dimensions
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* @MODE_INTERLACE_WIDTH: width too large for interlaced mode
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* @MODE_ONE_WIDTH: only one width is supported
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* @MODE_ONE_HEIGHT: only one height is supported
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* @MODE_ONE_SIZE: only one resolution is supported
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* @MODE_NO_REDUCED: monitor doesn't accept reduced blanking
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* @MODE_NO_STEREO: stereo modes not supported
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* @MODE_NO_420: ycbcr 420 modes not supported
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* @MODE_STALE: mode has become stale
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* @MODE_BAD: unspecified reason
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* @MODE_ERROR: error condition
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*
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* This enum is used to filter out modes not supported by the driver/hardware
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* combination.
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*/
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enum drm_mode_status {
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MODE_OK = 0,
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MODE_HSYNC,
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MODE_VSYNC,
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MODE_H_ILLEGAL,
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MODE_V_ILLEGAL,
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MODE_BAD_WIDTH,
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MODE_NOMODE,
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MODE_NO_INTERLACE,
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MODE_NO_DBLESCAN,
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MODE_NO_VSCAN,
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MODE_MEM,
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MODE_VIRTUAL_X,
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MODE_VIRTUAL_Y,
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MODE_MEM_VIRT,
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MODE_NOCLOCK,
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MODE_CLOCK_HIGH,
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MODE_CLOCK_LOW,
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MODE_CLOCK_RANGE,
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MODE_BAD_HVALUE,
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MODE_BAD_VVALUE,
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MODE_BAD_VSCAN,
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MODE_HSYNC_NARROW,
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MODE_HSYNC_WIDE,
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MODE_HBLANK_NARROW,
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MODE_HBLANK_WIDE,
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MODE_VSYNC_NARROW,
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MODE_VSYNC_WIDE,
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MODE_VBLANK_NARROW,
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MODE_VBLANK_WIDE,
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MODE_PANEL,
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MODE_INTERLACE_WIDTH,
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MODE_ONE_WIDTH,
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MODE_ONE_HEIGHT,
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MODE_ONE_SIZE,
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MODE_NO_REDUCED,
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MODE_NO_STEREO,
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MODE_NO_420,
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MODE_STALE = -3,
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MODE_BAD = -2,
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MODE_ERROR = -1
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};
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/*
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* Subsystem independent description of a videomode.
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* Can be generated from struct display_timing.
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*/
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struct videomode {
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unsigned long pixelclock; /* pixelclock in Hz */
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u32 hactive;
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u32 hfront_porch;
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u32 hback_porch;
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u32 hsync_len;
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u32 vactive;
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u32 vfront_porch;
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u32 vback_porch;
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u32 vsync_len;
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enum display_flags flags; /* display flags */
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};
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struct drm_display_mode *drm_mode_create(void);
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void drm_mode_copy(struct drm_display_mode *dst,
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const struct drm_display_mode *src);
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void drm_mode_destroy(struct drm_display_mode *mode);
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bool drm_mode_match(const struct drm_display_mode *mode1,
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const struct drm_display_mode *mode2,
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unsigned int match_flags);
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bool drm_mode_equal(const struct drm_display_mode *mode1,
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const struct drm_display_mode *mode2);
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void drm_display_mode_from_videomode(const struct videomode *vm,
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struct drm_display_mode *dmode);
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void drm_display_mode_to_videomode(const struct drm_display_mode *dmode,
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struct videomode *vm);
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#endif
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