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Diffstat (limited to 'include/uapi/drm/drm_mode.h')
| -rw-r--r-- | include/uapi/drm/drm_mode.h | 894 |
1 files changed, 894 insertions, 0 deletions
diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h new file mode 100644 index 000000000..8d6724395 --- /dev/null +++ b/include/uapi/drm/drm_mode.h @@ -0,0 +1,894 @@ +/* + * Copyright (c) 2007 Dave Airlie <airlied@linux.ie> + * Copyright (c) 2007 Jakob Bornecrantz <wallbraker@gmail.com> + * Copyright (c) 2008 Red Hat Inc. + * Copyright (c) 2007-2008 Tungsten Graphics, Inc., Cedar Park, TX., USA + * Copyright (c) 2007-2008 Intel Corporation + * + * 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, sublicense, + * 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 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 NONINFRINGEMENT. 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 _DRM_MODE_H +#define _DRM_MODE_H + +#include "drm.h" + +#if defined(__cplusplus) +extern "C" { +#endif + +#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) /* deprecated */ +#define DRM_MODE_TYPE_CLOCK_C ((1<<1) | DRM_MODE_TYPE_BUILTIN) /* deprecated */ +#define DRM_MODE_TYPE_CRTC_C ((1<<2) | DRM_MODE_TYPE_BUILTIN) /* deprecated */ +#define DRM_MODE_TYPE_PREFERRED (1<<3) +#define DRM_MODE_TYPE_DEFAULT (1<<4) /* deprecated */ +#define DRM_MODE_TYPE_USERDEF (1<<5) +#define DRM_MODE_TYPE_DRIVER (1<<6) + +#define DRM_MODE_TYPE_ALL (DRM_MODE_TYPE_PREFERRED | \ + DRM_MODE_TYPE_USERDEF | \ + DRM_MODE_TYPE_DRIVER) + +/* Video mode flags */ +/* bit compatible with the xrandr RR_ definitions (bits 0-13) + * + * ABI warning: Existing userspace really expects + * the mode flags to match the xrandr definitions. Any + * changes that don't match the xrandr definitions will + * likely need a new client cap or some other mechanism + * to avoid breaking existing userspace. This includes + * allocating new flags in the previously unused bits! + */ +#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) /* deprecated */ +#define DRM_MODE_FLAG_PIXMUX (1<<11) /* deprecated */ +#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) + +/* 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 + +/* Content type options */ +#define DRM_MODE_CONTENT_TYPE_NO_DATA 0 +#define DRM_MODE_CONTENT_TYPE_GRAPHICS 1 +#define DRM_MODE_CONTENT_TYPE_PHOTO 2 +#define DRM_MODE_CONTENT_TYPE_CINEMA 3 +#define DRM_MODE_CONTENT_TYPE_GAME 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_FLAG_ALL (DRM_MODE_FLAG_PHSYNC | \ + DRM_MODE_FLAG_NHSYNC | \ + DRM_MODE_FLAG_PVSYNC | \ + DRM_MODE_FLAG_NVSYNC | \ + DRM_MODE_FLAG_INTERLACE | \ + DRM_MODE_FLAG_DBLSCAN | \ + DRM_MODE_FLAG_CSYNC | \ + DRM_MODE_FLAG_PCSYNC | \ + DRM_MODE_FLAG_NCSYNC | \ + DRM_MODE_FLAG_HSKEW | \ + DRM_MODE_FLAG_DBLCLK | \ + DRM_MODE_FLAG_CLKDIV2 | \ + DRM_MODE_FLAG_3D_MASK) + +/* DPMS flags */ +/* bit compatible with the xorg definitions. */ +#define DRM_MODE_DPMS_ON 0 +#define DRM_MODE_DPMS_STANDBY 1 +#define DRM_MODE_DPMS_SUSPEND 2 +#define DRM_MODE_DPMS_OFF 3 + +/* Scaling mode options */ +#define DRM_MODE_SCALE_NONE 0 /* Unmodified timing (display or + software can still scale) */ +#define DRM_MODE_SCALE_FULLSCREEN 1 /* Full screen, ignore aspect */ +#define DRM_MODE_SCALE_CENTER 2 /* Centered, no scaling */ +#define DRM_MODE_SCALE_ASPECT 3 /* Full screen, preserve aspect */ + +/* Dithering mode options */ +#define DRM_MODE_DITHERING_OFF 0 +#define DRM_MODE_DITHERING_ON 1 +#define DRM_MODE_DITHERING_AUTO 2 + +/* Dirty info options */ +#define DRM_MODE_DIRTY_OFF 0 +#define DRM_MODE_DIRTY_ON 1 +#define DRM_MODE_DIRTY_ANNOTATE 2 + +/* Link Status options */ +#define DRM_MODE_LINK_STATUS_GOOD 0 +#define DRM_MODE_LINK_STATUS_BAD 1 + +/* + * DRM_MODE_ROTATE_<degrees> + * + * Signals that a drm plane is been rotated <degrees> degrees in counter + * clockwise direction. + * + * This define is provided as a convenience, looking up the property id + * using the name->prop id lookup is the preferred method. + */ +#define DRM_MODE_ROTATE_0 (1<<0) +#define DRM_MODE_ROTATE_90 (1<<1) +#define DRM_MODE_ROTATE_180 (1<<2) +#define DRM_MODE_ROTATE_270 (1<<3) + +/* + * DRM_MODE_ROTATE_MASK + * + * Bitmask used to look for drm plane rotations. + */ +#define DRM_MODE_ROTATE_MASK (\ + DRM_MODE_ROTATE_0 | \ + DRM_MODE_ROTATE_90 | \ + DRM_MODE_ROTATE_180 | \ + DRM_MODE_ROTATE_270) + +/* + * DRM_MODE_REFLECT_<axis> + * + * Signals that the contents of a drm plane is reflected in the <axis> axis, + * in the same way as mirroring. + * + * This define is provided as a convenience, looking up the property id + * using the name->prop id lookup is the preferred method. + */ +#define DRM_MODE_REFLECT_X (1<<4) +#define DRM_MODE_REFLECT_Y (1<<5) + +/* + * DRM_MODE_REFLECT_MASK + * + * Bitmask used to look for drm plane reflections. + */ +#define DRM_MODE_REFLECT_MASK (\ + DRM_MODE_REFLECT_X | \ + DRM_MODE_REFLECT_Y) + +/* Content Protection Flags */ +#define DRM_MODE_CONTENT_PROTECTION_UNDESIRED 0 +#define DRM_MODE_CONTENT_PROTECTION_DESIRED 1 +#define DRM_MODE_CONTENT_PROTECTION_ENABLED 2 + +struct drm_mode_modeinfo { + __u32 clock; + __u16 hdisplay; + __u16 hsync_start; + __u16 hsync_end; + __u16 htotal; + __u16 hskew; + __u16 vdisplay; + __u16 vsync_start; + __u16 vsync_end; + __u16 vtotal; + __u16 vscan; + + __u32 vrefresh; + + __u32 flags; + __u32 type; + char name[DRM_DISPLAY_MODE_LEN]; +}; + +struct drm_mode_card_res { + __u64 fb_id_ptr; + __u64 crtc_id_ptr; + __u64 connector_id_ptr; + __u64 encoder_id_ptr; + __u32 count_fbs; + __u32 count_crtcs; + __u32 count_connectors; + __u32 count_encoders; + __u32 min_width; + __u32 max_width; + __u32 min_height; + __u32 max_height; +}; + +struct drm_mode_crtc { + __u64 set_connectors_ptr; + __u32 count_connectors; + + __u32 crtc_id; /**< Id */ + __u32 fb_id; /**< Id of framebuffer */ + + __u32 x; /**< x Position on the framebuffer */ + __u32 y; /**< y Position on the framebuffer */ + + __u32 gamma_size; + __u32 mode_valid; + struct drm_mode_modeinfo mode; +}; + +#define DRM_MODE_PRESENT_TOP_FIELD (1<<0) +#define DRM_MODE_PRESENT_BOTTOM_FIELD (1<<1) + +/* Planes blend with or override other bits on the CRTC */ +struct drm_mode_set_plane { + __u32 plane_id; + __u32 crtc_id; + __u32 fb_id; /* fb object contains surface format type */ + __u32 flags; /* see above flags */ + + /* Signed dest location allows it to be partially off screen */ + __s32 crtc_x; + __s32 crtc_y; + __u32 crtc_w; + __u32 crtc_h; + + /* Source values are 16.16 fixed point */ + __u32 src_x; + __u32 src_y; + __u32 src_h; + __u32 src_w; +}; + +struct drm_mode_get_plane { + __u32 plane_id; + + __u32 crtc_id; + __u32 fb_id; + + __u32 possible_crtcs; + __u32 gamma_size; + + __u32 count_format_types; + __u64 format_type_ptr; +}; + +struct drm_mode_get_plane_res { + __u64 plane_id_ptr; + __u32 count_planes; +}; + +#define DRM_MODE_ENCODER_NONE 0 +#define DRM_MODE_ENCODER_DAC 1 +#define DRM_MODE_ENCODER_TMDS 2 +#define DRM_MODE_ENCODER_LVDS 3 +#define DRM_MODE_ENCODER_TVDAC 4 +#define DRM_MODE_ENCODER_VIRTUAL 5 +#define DRM_MODE_ENCODER_DSI 6 +#define DRM_MODE_ENCODER_DPMST 7 +#define DRM_MODE_ENCODER_DPI 8 + +struct drm_mode_get_encoder { + __u32 encoder_id; + __u32 encoder_type; + + __u32 crtc_id; /**< Id of crtc */ + + __u32 possible_crtcs; + __u32 possible_clones; +}; + +/* This is for connectors with multiple signal types. */ +/* Try to match DRM_MODE_CONNECTOR_X as closely as possible. */ +enum drm_mode_subconnector { + DRM_MODE_SUBCONNECTOR_Automatic = 0, + DRM_MODE_SUBCONNECTOR_Unknown = 0, + DRM_MODE_SUBCONNECTOR_DVID = 3, + DRM_MODE_SUBCONNECTOR_DVIA = 4, + DRM_MODE_SUBCONNECTOR_Composite = 5, + DRM_MODE_SUBCONNECTOR_SVIDEO = 6, + DRM_MODE_SUBCONNECTOR_Component = 8, + DRM_MODE_SUBCONNECTOR_SCART = 9, +}; + +#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_MODE_CONNECTOR_WRITEBACK 18 + +struct drm_mode_get_connector { + + __u64 encoders_ptr; + __u64 modes_ptr; + __u64 props_ptr; + __u64 prop_values_ptr; + + __u32 count_modes; + __u32 count_props; + __u32 count_encoders; + + __u32 encoder_id; /**< Current Encoder */ + __u32 connector_id; /**< Id */ + __u32 connector_type; + __u32 connector_type_id; + + __u32 connection; + __u32 mm_width; /**< width in millimeters */ + __u32 mm_height; /**< height in millimeters */ + __u32 subpixel; + + __u32 pad; +}; + +#define DRM_MODE_PROP_PENDING (1<<0) /* deprecated, do not use */ +#define DRM_MODE_PROP_RANGE (1<<1) +#define DRM_MODE_PROP_IMMUTABLE (1<<2) +#define DRM_MODE_PROP_ENUM (1<<3) /* enumerated type with text strings */ +#define DRM_MODE_PROP_BLOB (1<<4) +#define DRM_MODE_PROP_BITMASK (1<<5) /* bitmask of enumerated types */ + +/* non-extended types: legacy bitmask, one bit per type: */ +#define DRM_MODE_PROP_LEGACY_TYPE ( \ + DRM_MODE_PROP_RANGE | \ + DRM_MODE_PROP_ENUM | \ + DRM_MODE_PROP_BLOB | \ + DRM_MODE_PROP_BITMASK) + +/* extended-types: rather than continue to consume a bit per type, + * grab a chunk of the bits to use as integer type id. + */ +#define DRM_MODE_PROP_EXTENDED_TYPE 0x0000ffc0 +#define DRM_MODE_PROP_TYPE(n) ((n) << 6) +#define DRM_MODE_PROP_OBJECT DRM_MODE_PROP_TYPE(1) +#define DRM_MODE_PROP_SIGNED_RANGE DRM_MODE_PROP_TYPE(2) + +/* the PROP_ATOMIC flag is used to hide properties from userspace that + * is not aware of atomic properties. This is mostly to work around + * older userspace (DDX drivers) that read/write each prop they find, + * witout being aware that this could be triggering a lengthy modeset. + */ +#define DRM_MODE_PROP_ATOMIC 0x80000000 + +struct drm_mode_property_enum { + __u64 value; + char name[DRM_PROP_NAME_LEN]; +}; + +struct drm_mode_get_property { + __u64 values_ptr; /* values and blob lengths */ + __u64 enum_blob_ptr; /* enum and blob id ptrs */ + + __u32 prop_id; + __u32 flags; + char name[DRM_PROP_NAME_LEN]; + + __u32 count_values; + /* This is only used to count enum values, not blobs. The _blobs is + * simply because of a historical reason, i.e. backwards compat. */ + __u32 count_enum_blobs; +}; + +struct drm_mode_connector_set_property { + __u64 value; + __u32 prop_id; + __u32 connector_id; +}; + +#define DRM_MODE_OBJECT_CRTC 0xcccccccc +#define DRM_MODE_OBJECT_CONNECTOR 0xc0c0c0c0 +#define DRM_MODE_OBJECT_ENCODER 0xe0e0e0e0 +#define DRM_MODE_OBJECT_MODE 0xdededede +#define DRM_MODE_OBJECT_PROPERTY 0xb0b0b0b0 +#define DRM_MODE_OBJECT_FB 0xfbfbfbfb +#define DRM_MODE_OBJECT_BLOB 0xbbbbbbbb +#define DRM_MODE_OBJECT_PLANE 0xeeeeeeee +#define DRM_MODE_OBJECT_ANY 0 + +struct drm_mode_obj_get_properties { + __u64 props_ptr; + __u64 prop_values_ptr; + __u32 count_props; + __u32 obj_id; + __u32 obj_type; +}; + +struct drm_mode_obj_set_property { + __u64 value; + __u32 prop_id; + __u32 obj_id; + __u32 obj_type; +}; + +struct drm_mode_get_blob { + __u32 blob_id; + __u32 length; + __u64 data; +}; + +struct drm_mode_fb_cmd { + __u32 fb_id; + __u32 width; + __u32 height; + __u32 pitch; + __u32 bpp; + __u32 depth; + /* driver specific handle */ + __u32 handle; +}; + +#define DRM_MODE_FB_INTERLACED (1<<0) /* for interlaced framebuffers */ +#define DRM_MODE_FB_MODIFIERS (1<<1) /* enables ->modifer[] */ + +struct drm_mode_fb_cmd2 { + __u32 fb_id; + __u32 width; + __u32 height; + __u32 pixel_format; /* fourcc code from drm_fourcc.h */ + __u32 flags; /* see above flags */ + + /* + * In case of planar formats, this ioctl allows up to 4 + * buffer objects with offsets and pitches per plane. + * The pitch and offset order is dictated by the fourcc, + * e.g. NV12 (http://fourcc.org/yuv.php#NV12) is described as: + * + * YUV 4:2:0 image with a plane of 8 bit Y samples + * followed by an interleaved U/V plane containing + * 8 bit 2x2 subsampled colour difference samples. + * + * So it would consist of Y as offsets[0] and UV as + * offsets[1]. Note that offsets[0] will generally + * be 0 (but this is not required). + * + * To accommodate tiled, compressed, etc formats, a + * modifier can be specified. The default value of zero + * indicates "native" format as specified by the fourcc. + * Vendor specific modifier token. Note that even though + * it looks like we have a modifier per-plane, we in fact + * do not. The modifier for each plane must be identical. + * Thus all combinations of different data layouts for + * multi plane formats must be enumerated as separate + * modifiers. + */ + __u32 handles[4]; + __u32 pitches[4]; /* pitch for each plane */ + __u32 offsets[4]; /* offset of each plane */ + __u64 modifier[4]; /* ie, tiling, compress */ +}; + +#define DRM_MODE_FB_DIRTY_ANNOTATE_COPY 0x01 +#define DRM_MODE_FB_DIRTY_ANNOTATE_FILL 0x02 +#define DRM_MODE_FB_DIRTY_FLAGS 0x03 + +#define DRM_MODE_FB_DIRTY_MAX_CLIPS 256 + +/* + * Mark a region of a framebuffer as dirty. + * + * Some hardware does not automatically update display contents + * as a hardware or software draw to a framebuffer. This ioctl + * allows userspace to tell the kernel and the hardware what + * regions of the framebuffer have changed. + * + * The kernel or hardware is free to update more then just the + * region specified by the clip rects. The kernel or hardware + * may also delay and/or coalesce several calls to dirty into a + * single update. + * + * Userspace may annotate the updates, the annotates are a + * promise made by the caller that the change is either a copy + * of pixels or a fill of a single color in the region specified. + * + * If the DRM_MODE_FB_DIRTY_ANNOTATE_COPY flag is given then + * the number of updated regions are half of num_clips given, + * where the clip rects are paired in src and dst. The width and + * height of each one of the pairs must match. + * + * If the DRM_MODE_FB_DIRTY_ANNOTATE_FILL flag is given the caller + * promises that the region specified of the clip rects is filled + * completely with a single color as given in the color argument. + */ + +struct drm_mode_fb_dirty_cmd { + __u32 fb_id; + __u32 flags; + __u32 color; + __u32 num_clips; + __u64 clips_ptr; +}; + +struct drm_mode_mode_cmd { + __u32 connector_id; + struct drm_mode_modeinfo mode; +}; + +#define DRM_MODE_CURSOR_BO 0x01 +#define DRM_MODE_CURSOR_MOVE 0x02 +#define DRM_MODE_CURSOR_FLAGS 0x03 + +/* + * depending on the value in flags different members are used. + * + * CURSOR_BO uses + * crtc_id + * width + * height + * handle - if 0 turns the cursor off + * + * CURSOR_MOVE uses + * crtc_id + * x + * y + */ +struct drm_mode_cursor { + __u32 flags; + __u32 crtc_id; + __s32 x; + __s32 y; + __u32 width; + __u32 height; + /* driver specific handle */ + __u32 handle; +}; + +struct drm_mode_cursor2 { + __u32 flags; + __u32 crtc_id; + __s32 x; + __s32 y; + __u32 width; + __u32 height; + /* driver specific handle */ + __u32 handle; + __s32 hot_x; + __s32 hot_y; +}; + +struct drm_mode_crtc_lut { + __u32 crtc_id; + __u32 gamma_size; + + /* pointers to arrays */ + __u64 red; + __u64 green; + __u64 blue; +}; + +struct drm_color_ctm { + /* + * Conversion matrix in S31.32 sign-magnitude + * (not two's complement!) format. + */ + __u64 matrix[9]; +}; + +struct drm_color_lut { + /* + * Data is U0.16 fixed point format. + */ + __u16 red; + __u16 green; + __u16 blue; + __u16 reserved; +}; + +#define DRM_MODE_PAGE_FLIP_EVENT 0x01 +#define DRM_MODE_PAGE_FLIP_ASYNC 0x02 +#define DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE 0x4 +#define DRM_MODE_PAGE_FLIP_TARGET_RELATIVE 0x8 +#define DRM_MODE_PAGE_FLIP_TARGET (DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE | \ + DRM_MODE_PAGE_FLIP_TARGET_RELATIVE) +#define DRM_MODE_PAGE_FLIP_FLAGS (DRM_MODE_PAGE_FLIP_EVENT | \ + DRM_MODE_PAGE_FLIP_ASYNC | \ + DRM_MODE_PAGE_FLIP_TARGET) + +/* + * Request a page flip on the specified crtc. + * + * This ioctl will ask KMS to schedule a page flip for the specified + * crtc. Once any pending rendering targeting the specified fb (as of + * ioctl time) has completed, the crtc will be reprogrammed to display + * that fb after the next vertical refresh. The ioctl returns + * immediately, but subsequent rendering to the current fb will block + * in the execbuffer ioctl until the page flip happens. If a page + * flip is already pending as the ioctl is called, EBUSY will be + * returned. + * + * Flag DRM_MODE_PAGE_FLIP_EVENT requests that drm sends back a vblank + * event (see drm.h: struct drm_event_vblank) when the page flip is + * done. The user_data field passed in with this ioctl will be + * returned as the user_data field in the vblank event struct. + * + * Flag DRM_MODE_PAGE_FLIP_ASYNC requests that the flip happen + * 'as soon as possible', meaning that it not delay waiting for vblank. + * This may cause tearing on the screen. + * + * The reserved field must be zero. + */ + +struct drm_mode_crtc_page_flip { + __u32 crtc_id; + __u32 fb_id; + __u32 flags; + __u32 reserved; + __u64 user_data; +}; + +/* + * Request a page flip on the specified crtc. + * + * Same as struct drm_mode_crtc_page_flip, but supports new flags and + * re-purposes the reserved field: + * + * The sequence field must be zero unless either of the + * DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE/RELATIVE flags is specified. When + * the ABSOLUTE flag is specified, the sequence field denotes the absolute + * vblank sequence when the flip should take effect. When the RELATIVE + * flag is specified, the sequence field denotes the relative (to the + * current one when the ioctl is called) vblank sequence when the flip + * should take effect. NOTE: DRM_IOCTL_WAIT_VBLANK must still be used to + * make sure the vblank sequence before the target one has passed before + * calling this ioctl. The purpose of the + * DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE/RELATIVE flags is merely to clarify + * the target for when code dealing with a page flip runs during a + * vertical blank period. + */ + +struct drm_mode_crtc_page_flip_target { + __u32 crtc_id; + __u32 fb_id; + __u32 flags; + __u32 sequence; + __u64 user_data; +}; + +/* create a dumb scanout buffer */ +struct drm_mode_create_dumb { + __u32 height; + __u32 width; + __u32 bpp; + __u32 flags; + /* handle, pitch, size will be returned */ + __u32 handle; + __u32 pitch; + __u64 size; +}; + +/* set up for mmap of a dumb scanout buffer */ +struct drm_mode_map_dumb { + /** Handle for the object being mapped. */ + __u32 handle; + __u32 pad; + /** + * Fake offset to use for subsequent mmap call + * + * This is a fixed-size type for 32/64 compatibility. + */ + __u64 offset; +}; + +struct drm_mode_destroy_dumb { + __u32 handle; +}; + +/* page-flip flags are valid, plus: */ +#define DRM_MODE_ATOMIC_TEST_ONLY 0x0100 +#define DRM_MODE_ATOMIC_NONBLOCK 0x0200 +#define DRM_MODE_ATOMIC_ALLOW_MODESET 0x0400 + +#define DRM_MODE_ATOMIC_FLAGS (\ + DRM_MODE_PAGE_FLIP_EVENT |\ + DRM_MODE_PAGE_FLIP_ASYNC |\ + DRM_MODE_ATOMIC_TEST_ONLY |\ + DRM_MODE_ATOMIC_NONBLOCK |\ + DRM_MODE_ATOMIC_ALLOW_MODESET) + +struct drm_mode_atomic { + __u32 flags; + __u32 count_objs; + __u64 objs_ptr; + __u64 count_props_ptr; + __u64 props_ptr; + __u64 prop_values_ptr; + __u64 reserved; + __u64 user_data; +}; + +struct drm_format_modifier_blob { +#define FORMAT_BLOB_CURRENT 1 + /* Version of this blob format */ + __u32 version; + + /* Flags */ + __u32 flags; + + /* Number of fourcc formats supported */ + __u32 count_formats; + + /* Where in this blob the formats exist (in bytes) */ + __u32 formats_offset; + + /* Number of drm_format_modifiers */ + __u32 count_modifiers; + + /* Where in this blob the modifiers exist (in bytes) */ + __u32 modifiers_offset; + + /* __u32 formats[] */ + /* struct drm_format_modifier modifiers[] */ +}; + +struct drm_format_modifier { + /* Bitmask of formats in get_plane format list this info applies to. The + * offset allows a sliding window of which 64 formats (bits). + * + * Some examples: + * In today's world with < 65 formats, and formats 0, and 2 are + * supported + * 0x0000000000000005 + * ^-offset = 0, formats = 5 + * + * If the number formats grew to 128, and formats 98-102 are + * supported with the modifier: + * + * 0x0000007c00000000 0000000000000000 + * ^ + * |__offset = 64, formats = 0x7c00000000 + * + */ + __u64 formats; + __u32 offset; + __u32 pad; + + /* The modifier that applies to the >get_plane format list bitmask. */ + __u64 modifier; +}; + +/** + * Create a new 'blob' data property, copying length bytes from data pointer, + * and returning new blob ID. + */ +struct drm_mode_create_blob { + /** Pointer to data to copy. */ + __u64 data; + /** Length of data to copy. */ + __u32 length; + /** Return: new property ID. */ + __u32 blob_id; +}; + +/** + * Destroy a user-created blob property. + */ +struct drm_mode_destroy_blob { + __u32 blob_id; +}; + +/** + * Lease mode resources, creating another drm_master. + */ +struct drm_mode_create_lease { + /** Pointer to array of object ids (__u32) */ + __u64 object_ids; + /** Number of object ids */ + __u32 object_count; + /** flags for new FD (O_CLOEXEC, etc) */ + __u32 flags; + + /** Return: unique identifier for lessee. */ + __u32 lessee_id; + /** Return: file descriptor to new drm_master file */ + __u32 fd; +}; + +/** + * List lesses from a drm_master + */ +struct drm_mode_list_lessees { + /** Number of lessees. + * On input, provides length of the array. + * On output, provides total number. No + * more than the input number will be written + * back, so two calls can be used to get + * the size and then the data. + */ + __u32 count_lessees; + __u32 pad; + + /** Pointer to lessees. + * pointer to __u64 array of lessee ids + */ + __u64 lessees_ptr; +}; + +/** + * Get leased objects + */ +struct drm_mode_get_lease { + /** Number of leased objects. + * On input, provides length of the array. + * On output, provides total number. No + * more than the input number will be written + * back, so two calls can be used to get + * the size and then the data. + */ + __u32 count_objects; + __u32 pad; + + /** Pointer to objects. + * pointer to __u32 array of object ids + */ + __u64 objects_ptr; +}; + +/** + * Revoke lease + */ +struct drm_mode_revoke_lease { + /** Unique ID of lessee + */ + __u32 lessee_id; +}; + +#if defined(__cplusplus) +} +#endif + +#endif |