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