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* Copyright (c) 2007 Dave Airlie <airlied@linux.ie>
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* Copyright (c) 2007 Jakob Bornecrantz <wallbraker@gmail.com>
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* Copyright (c) 2008 Red Hat Inc.
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* Copyright (c) 2007-2008 Tungsten Graphics, Inc., Cedar Park, TX., USA
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* Copyright (c) 2007-2008 Intel Corporation
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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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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/* bit compatible with the xorg definitions. */
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#define DRM_MODE_DPMS_ON 0
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#define DRM_MODE_DPMS_STANDBY 1
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#define DRM_MODE_DPMS_SUSPEND 2
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#define DRM_MODE_DPMS_OFF 3
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/* Scaling mode options */
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#define DRM_MODE_SCALE_NONE 0 /* Unmodified timing (display or
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software can still scale) */
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#define DRM_MODE_SCALE_FULLSCREEN 1 /* Full screen, ignore aspect */
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#define DRM_MODE_SCALE_CENTER 2 /* Centered, no scaling */
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#define DRM_MODE_SCALE_ASPECT 3 /* Full screen, preserve aspect */
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/* Dithering mode options */
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#define DRM_MODE_DITHERING_OFF 0
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#define DRM_MODE_DITHERING_ON 1
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struct drm_mode_modeinfo {
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__u16 hdisplay, hsync_start, hsync_end, htotal, hskew;
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__u16 vdisplay, vsync_start, vsync_end, vtotal, vscan;
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__u32 vrefresh; /* vertical refresh * 1000 */
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char name[DRM_DISPLAY_MODE_LEN];
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struct drm_mode_card_res {
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__u64 connector_id_ptr;
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__u32 count_connectors;
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__u32 min_width, max_width;
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__u32 min_height, max_height;
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struct drm_mode_crtc {
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__u64 set_connectors_ptr;
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__u32 count_connectors;
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__u32 crtc_id; /**< Id */
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__u32 fb_id; /**< Id of framebuffer */
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__u32 x, y; /**< Position on the frameuffer */
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struct drm_mode_modeinfo mode;
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#define DRM_MODE_ENCODER_NONE 0
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#define DRM_MODE_ENCODER_DAC 1
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#define DRM_MODE_ENCODER_TMDS 2
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#define DRM_MODE_ENCODER_LVDS 3
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#define DRM_MODE_ENCODER_TVDAC 4
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struct drm_mode_get_encoder {
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__u32 crtc_id; /**< Id of crtc */
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__u32 possible_crtcs;
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__u32 possible_clones;
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/* This is for connectors with multiple signal types. */
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/* Try to match DRM_MODE_CONNECTOR_X as closely as possible. */
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#define DRM_MODE_SUBCONNECTOR_Automatic 0
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#define DRM_MODE_SUBCONNECTOR_Unknown 0
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#define DRM_MODE_SUBCONNECTOR_DVID 3
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#define DRM_MODE_SUBCONNECTOR_DVIA 4
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#define DRM_MODE_SUBCONNECTOR_Composite 5
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#define DRM_MODE_SUBCONNECTOR_SVIDEO 6
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#define DRM_MODE_SUBCONNECTOR_Component 8
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#define DRM_MODE_SUBCONNECTOR_SCART 9
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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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struct drm_mode_get_connector {
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__u64 prop_values_ptr;
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__u32 count_encoders;
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__u32 encoder_id; /**< Current Encoder */
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__u32 connector_id; /**< Id */
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__u32 connector_type;
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__u32 connector_type_id;
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__u32 mm_width, mm_height; /**< HxW in millimeters */
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#define DRM_MODE_PROP_PENDING (1<<0)
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#define DRM_MODE_PROP_RANGE (1<<1)
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#define DRM_MODE_PROP_IMMUTABLE (1<<2)
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#define DRM_MODE_PROP_ENUM (1<<3) /* enumerated type with text strings */
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#define DRM_MODE_PROP_BLOB (1<<4)
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struct drm_mode_property_enum {
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char name[DRM_PROP_NAME_LEN];
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struct drm_mode_get_property {
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__u64 values_ptr; /* values and blob lengths */
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__u64 enum_blob_ptr; /* enum and blob id ptrs */
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char name[DRM_PROP_NAME_LEN];
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__u32 count_enum_blobs;
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struct drm_mode_connector_set_property {
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struct drm_mode_get_blob {
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struct drm_mode_fb_cmd {
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/* driver specific handle */
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#define DRM_MODE_FB_DIRTY_ANNOTATE_COPY 0x01
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#define DRM_MODE_FB_DIRTY_ANNOTATE_FILL 0x02
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#define DRM_MODE_FB_DIRTY_FLAGS 0x03
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* Mark a region of a framebuffer as dirty.
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* Some hardware does not automatically update display contents
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* as a hardware or software draw to a framebuffer. This ioctl
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* allows userspace to tell the kernel and the hardware what
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* regions of the framebuffer have changed.
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* The kernel or hardware is free to update more then just the
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* region specified by the clip rects. The kernel or hardware
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* may also delay and/or coalesce several calls to dirty into a
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* Userspace may annotate the updates, the annotates are a
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* promise made by the caller that the change is either a copy
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* of pixels or a fill of a single color in the region specified.
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* If the DRM_MODE_FB_DIRTY_ANNOTATE_COPY flag is given then
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* the number of updated regions are half of num_clips given,
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* where the clip rects are paired in src and dst. The width and
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* height of each one of the pairs must match.
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* If the DRM_MODE_FB_DIRTY_ANNOTATE_FILL flag is given the caller
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* promises that the region specified of the clip rects is filled
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* completely with a single color as given in the color argument.
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struct drm_mode_fb_dirty_cmd {
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struct drm_mode_mode_cmd {
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struct drm_mode_modeinfo mode;
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#define DRM_MODE_CURSOR_BO (1<<0)
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#define DRM_MODE_CURSOR_MOVE (1<<1)
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* depending on the value in flags diffrent members are used.
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* handle - if 0 turns the cursor of
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struct drm_mode_cursor {
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/* driver specific handle */
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struct drm_mode_crtc_lut {
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/* pointers to arrays */
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#define DRM_MODE_PAGE_FLIP_EVENT 0x01
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#define DRM_MODE_PAGE_FLIP_FLAGS DRM_MODE_PAGE_FLIP_EVENT
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struct drm_mode_crtc_page_flip {
added
removed
include/drm/drm_mode.h
