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drm_mode.h
/* * 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 /** * DOC: overview * * DRM exposes many UAPI and structure definitions to have a consistent * and standardized interface with users. * Userspace can refer to these structure definitions and UAPI formats * to communicate to drivers. */ #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 along the <axis> axis, * in the same way as mirroring. * See kerneldoc chapter "Plane Composition Properties" for more details. * * 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 - Display mode information. * @clock: pixel clock in kHz * @hdisplay: horizontal display size * @hsync_start: horizontal sync start * @hsync_end: horizontal sync end * @htotal: horizontal total size * @hskew: horizontal skew * @vdisplay: vertical display size * @vsync_start: vertical sync start * @vsync_end: vertical sync end * @vtotal: vertical total size * @vscan: vertical scan * @vrefresh: approximate vertical refresh rate in Hz * @flags: bitmask of misc. flags, see DRM_MODE_FLAG_* defines * @type: bitmask of type flags, see DRM_MODE_TYPE_* defines * @name: string describing the mode resolution * * This is the user-space API display mode information structure. For the * kernel version see struct drm_display_mode. */ 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 - Get plane metadata. * * Userspace can perform a GETPLANE ioctl to retrieve information about a * plane. * * To retrieve the number of formats supported, set @count_format_types to zero * and call the ioctl. @count_format_types will be updated with the value. * * To retrieve these formats, allocate an array with the memory needed to store * @count_format_types formats. Point @format_type_ptr to this array and call * the ioctl again (with @count_format_types still set to the value returned in * the first ioctl call). */ struct drm_mode_get_plane { /** * @plane_id: Object ID of the plane whose information should be * retrieved. Set by caller. */ __u32 plane_id; /** @crtc_id: Object ID of the current CRTC. */ __u32 crtc_id; /** @fb_id: Object ID of the current fb. */ __u32 fb_id; /** * @possible_crtcs: Bitmask of CRTC's compatible with the plane. CRTC's * are created and they receive an index, which corresponds to their * position in the bitmask. Bit N corresponds to * :ref:`CRTC index<crtc_index>` N. */ __u32 possible_crtcs; /** @gamma_size: Never used. */ __u32 gamma_size; /** @count_format_types: Number of formats. */ __u32 count_format_types; /** * @format_type_ptr: Pointer to ``__u32`` array of formats that are * supported by the plane. These formats do not require modifiers. */ __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, /* DVI-I, TV */ DRM_MODE_SUBCONNECTOR_Unknown = 0, /* DVI-I, TV, DP */ DRM_MODE_SUBCONNECTOR_VGA = 1, /* DP */ DRM_MODE_SUBCONNECTOR_DVID = 3, /* DVI-I DP */ DRM_MODE_SUBCONNECTOR_DVIA = 4, /* DVI-I */ DRM_MODE_SUBCONNECTOR_Composite = 5, /* TV */ DRM_MODE_SUBCONNECTOR_SVIDEO = 6, /* TV */ DRM_MODE_SUBCONNECTOR_Component = 8, /* TV */ DRM_MODE_SUBCONNECTOR_SCART = 9, /* TV */ DRM_MODE_SUBCONNECTOR_DisplayPort = 10, /* DP */ DRM_MODE_SUBCONNECTOR_HDMIA = 11, /* DP */ DRM_MODE_SUBCONNECTOR_Native = 15, /* DP */ DRM_MODE_SUBCONNECTOR_Wireless = 18, /* DP */ }; #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 #define DRM_MODE_CONNECTOR_SPI 19 #define DRM_MODE_CONNECTOR_USB 20 /** * struct drm_mode_get_connector - Get connector metadata. * * User-space can perform a GETCONNECTOR ioctl to retrieve information about a * connector. User-space is expected to retrieve encoders, modes and properties * by performing this ioctl at least twice: the first time to retrieve the * number of elements, the second time to retrieve the elements themselves. * * To retrieve the number of elements, set @count_props and @count_encoders to * zero, set @count_modes to 1, and set @modes_ptr to a temporary struct * drm_mode_modeinfo element. * * To retrieve the elements, allocate arrays for @encoders_ptr, @modes_ptr, * @props_ptr and @prop_values_ptr, then set @count_modes, @count_props and * @count_encoders to their capacity. * * Performing the ioctl only twice may be racy: the number of elements may have * changed with a hotplug event in-between the two ioctls. User-space is * expected to retry the last ioctl until the number of elements stabilizes. * The kernel won't fill any array which doesn't have the expected length. * * **Force-probing a connector** * * If the @count_modes field is set to zero and the DRM client is the current * DRM master, the kernel will perform a forced probe on the connector to * refresh the connector status, modes and EDID. A forced-probe can be slow, * might cause flickering and the ioctl will block. * * User-space needs to force-probe connectors to ensure their metadata is * up-to-date at startup and after receiving a hot-plug event. User-space * may perform a forced-probe when the user explicitly requests it. User-space * shouldn't perform a forced-probe in other situations. */ struct drm_mode_get_connector { /** @encoders_ptr: Pointer to ``__u32`` array of object IDs. */ __u64 encoders_ptr; /** @modes_ptr: Pointer to struct drm_mode_modeinfo array. */ __u64 modes_ptr; /** @props_ptr: Pointer to ``__u32`` array of property IDs. */ __u64 props_ptr; /** @prop_values_ptr: Pointer to ``__u64`` array of property values. */ __u64 prop_values_ptr; /** @count_modes: Number of modes. */ __u32 count_modes; /** @count_props: Number of properties. */ __u32 count_props; /** @count_encoders: Number of encoders. */ __u32 count_encoders; /** @encoder_id: Object ID of the current encoder. */ __u32 encoder_id; /** @connector_id: Object ID of the connector. */ __u32 connector_id; /** * @connector_type: Type of the connector. * * See DRM_MODE_CONNECTOR_* defines. */ __u32 connector_type; /** * @connector_type_id: Type-specific connector number. * * This is not an object ID. This is a per-type connector number. Each * (type, type_id) combination is unique across all connectors of a DRM * device. * * The (type, type_id) combination is not a stable identifier: the * type_id can change depending on the driver probe order. */ __u32 connector_type_id; /** * @connection: Status of the connector. * * See enum drm_connector_status. */ __u32 connection; /** @mm_width: Width of the connected sink in millimeters. */ __u32 mm_width; /** @mm_height: Height of the connected sink in millimeters. */ __u32 mm_height; /** * @subpixel: Subpixel order of the connected sink. * * See enum subpixel_order. */ __u32 subpixel; /** @pad: Padding, must be zero. */ __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, * without being aware that this could be triggering a lengthy modeset. */ #define DRM_MODE_PROP_ATOMIC 0x80000000 /** * struct drm_mode_property_enum - Description for an enum/bitfield entry. * @value: numeric value for this enum entry. * @name: symbolic name for this enum entry. * * See struct drm_property_enum for details. */ struct drm_mode_property_enum { __u64 value; char name[DRM_PROP_NAME_LEN]; }; /** * struct drm_mode_get_property - Get property metadata. * * User-space can perform a GETPROPERTY ioctl to retrieve information about a * property. The same property may be attached to multiple objects, see * "Modeset Base Object Abstraction". * * The meaning of the @values_ptr field changes depending on the property type. * See &drm_property.flags for more details. * * The @enum_blob_ptr and @count_enum_blobs fields are only meaningful when the * property has the type &DRM_MODE_PROP_ENUM or &DRM_MODE_PROP_BITMASK. For * backwards compatibility, the kernel will always set @count_enum_blobs to * zero when the property has the type &DRM_MODE_PROP_BLOB. User-space must * ignore these two fields if the property has a different type. * * User-space is expected to retrieve values and enums by performing this ioctl * at least twice: the first time to retrieve the number of elements, the * second time to retrieve the elements themselves. * * To retrieve the number of elements, set @count_values and @count_enum_blobs * to zero, then call the ioctl. @count_values will be updated with the number * of elements. If the property has the type &DRM_MODE_PROP_ENUM or * &DRM_MODE_PROP_BITMASK, @count_enum_blobs will be updated as well. * * To retrieve the elements themselves, allocate an array for @values_ptr and * set @count_values to its capacity. If the property has the type * &DRM_MODE_PROP_ENUM or &DRM_MODE_PROP_BITMASK, allocate an array for * @enum_blob_ptr and set @count_enum_blobs to its capacity. Calling the ioctl * again will fill the arrays. */ struct drm_mode_get_property { /** @values_ptr: Pointer to a ``__u64`` array. */ __u64 values_ptr; /** @enum_blob_ptr: Pointer to a struct drm_mode_property_enum array. */ __u64 enum_blob_ptr; /** * @prop_id: Object ID of the property which should be retrieved. Set * by the caller. */ __u32 prop_id; /** * @flags: ``DRM_MODE_PROP_*`` bitfield. See &drm_property.flags for * a definition of the flags. */ __u32 flags; /** * @name: Symbolic property name. User-space should use this field to * recognize properties. */ char name[DRM_PROP_NAME_LEN]; /** @count_values: Number of elements in @values_ptr. */ __u32 count_values; /** @count_enum_blobs: Number of elements in @enum_blob_ptr. */ __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 ->modifier[] */ /** * struct drm_mode_fb_cmd2 - Frame-buffer metadata. * * This struct holds frame-buffer metadata. There are two ways to use it: * * - User-space can fill this struct and perform a &DRM_IOCTL_MODE_ADDFB2 * ioctl to register a new frame-buffer. The new frame-buffer object ID will * be set by the kernel in @fb_id. * - User-space can set @fb_id and perform a &DRM_IOCTL_MODE_GETFB2 ioctl to * fetch metadata about an existing frame-buffer. * * In case of planar formats, this struct allows up to 4 buffer objects with * offsets and pitches per plane. The pitch and offset order are dictated by * the format FourCC as defined by ``drm_fourcc.h``, e.g. 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 a Y plane at ``offsets[0]`` and a UV plane at * ``offsets[1]``. * * To accommodate tiled, compressed, etc formats, a modifier can be specified. * For more information see the "Format Modifiers" section. 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. * * All of the entries in @handles, @pitches, @offsets and @modifier must be * zero when unused. Warning, for @offsets and @modifier zero can't be used to * figure out whether the entry is used or not since it's a valid value (a zero * offset is common, and a zero modifier is &DRM_FORMAT_MOD_LINEAR). */ struct drm_mode_fb_cmd2 { /** @fb_id: Object ID of the frame-buffer. */ __u32 fb_id; /** @width: Width of the frame-buffer. */ __u32 width; /** @height: Height of the frame-buffer. */ __u32 height; /** * @pixel_format: FourCC format code, see ``DRM_FORMAT_*`` constants in * ``drm_fourcc.h``. */ __u32 pixel_format; /** * @flags: Frame-buffer flags (see &DRM_MODE_FB_INTERLACED and * &DRM_MODE_FB_MODIFIERS). */ __u32 flags; /** * @handles: GEM buffer handle, one per plane. Set to 0 if the plane is * unused. The same handle can be used for multiple planes. */ __u32 handles[4]; /** @pitches: Pitch (aka. stride) in bytes, one per plane. */ __u32 pitches[4]; /** @offsets: Offset into the buffer in bytes, one per plane. */ __u32 offsets[4]; /** * @modifier: Format modifier, one per plane. See ``DRM_FORMAT_MOD_*`` * constants in ``drm_fourcc.h``. All planes must use the same * modifier. Ignored unless &DRM_MODE_FB_MODIFIERS is set in @flags. */ __u64 modifier[4]; }; #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. * * out matrix in * |R| |0 1 2| |R| * |G| = |3 4 5| x |G| * |B| |6 7 8| |B| */ __u64 matrix[9]; }; struct drm_color_lut { /* * Values are mapped linearly to 0.0 - 1.0 range, with 0x0 == 0.0 and * 0xffff == 1.0. */ __u16 red; __u16 green; __u16 blue; __u16 reserved; }; /** * struct drm_plane_size_hint - Plane size hints * @width: The width of the plane in pixel * @height: The height of the plane in pixel * * The plane SIZE_HINTS property blob contains an * array of struct drm_plane_size_hint. */ struct drm_plane_size_hint { __u16 width; __u16 height; }; /** * struct hdr_metadata_infoframe - HDR Metadata Infoframe Data. * * HDR Metadata Infoframe as per CTA 861.G spec. This is expected * to match exactly with the spec. * * Userspace is expected to pass the metadata information as per * the format described in this structure. */ struct hdr_metadata_infoframe { /** * @eotf: Electro-Optical Transfer Function (EOTF) * used in the stream. */ __u8 eotf; /** * @metadata_type: Static_Metadata_Descriptor_ID. */ __u8 metadata_type; /** * @display_primaries: Color Primaries of the Data. * These are coded as unsigned 16-bit values in units of * 0.00002, where 0x0000 represents zero and 0xC350 * represents 1.0000. * @display_primaries.x: X coordinate of color primary. * @display_primaries.y: Y coordinate of color primary. */ struct { __u16 x, y; } display_primaries[3]; /** * @white_point: White Point of Colorspace Data. * These are coded as unsigned 16-bit values in units of * 0.00002, where 0x0000 represents zero and 0xC350 * represents 1.0000. * @white_point.x: X coordinate of whitepoint of color primary. * @white_point.y: Y coordinate of whitepoint of color primary. */ struct { __u16 x, y; } white_point; /** * @max_display_mastering_luminance: Max Mastering Display Luminance. * This value is coded as an unsigned 16-bit value in units of 1 cd/m2, * where 0x0001 represents 1 cd/m2 and 0xFFFF represents 65535 cd/m2. */ __u16 max_display_mastering_luminance; /** * @min_display_mastering_luminance: Min Mastering Display Luminance. * This value is coded as an unsigned 16-bit value in units of * 0.0001 cd/m2, where 0x0001 represents 0.0001 cd/m2 and 0xFFFF * represents 6.5535 cd/m2. */ __u16 min_display_mastering_luminance; /** * @max_cll: Max Content Light Level. * This value is coded as an unsigned 16-bit value in units of 1 cd/m2, * where 0x0001 represents 1 cd/m2 and 0xFFFF represents 65535 cd/m2. */ __u16 max_cll; /** * @max_fall: Max Frame Average Light Level. * This value is coded as an unsigned 16-bit value in units of 1 cd/m2, * where 0x0001 represents 1 cd/m2 and 0xFFFF represents 65535 cd/m2. */ __u16 max_fall; }; /** * struct hdr_output_metadata - HDR output metadata * * Metadata Information to be passed from userspace */ struct hdr_output_metadata { /** * @metadata_type: Static_Metadata_Descriptor_ID. */ __u32 metadata_type; /** * @hdmi_metadata_type1: HDR Metadata Infoframe. */ union { struct hdr_metadata_infoframe hdmi_metadata_type1; }; }; /** * DRM_MODE_PAGE_FLIP_EVENT * * Request that the kernel sends back a vblank event (see * struct drm_event_vblank) with the &DRM_EVENT_FLIP_COMPLETE type when the * page-flip is done. */ #define DRM_MODE_PAGE_FLIP_EVENT 0x01 /** * DRM_MODE_PAGE_FLIP_ASYNC * * Request that the page-flip is performed as soon as possible, ie. with no * delay due to waiting for vblank. This may cause tearing to be visible on * the screen. * * When used with atomic uAPI, the driver will return an error if the hardware * doesn't support performing an asynchronous page-flip for this update. * User-space should handle this, e.g. by falling back to a regular page-flip. * * Note, some hardware might need to perform one last synchronous page-flip * before being able to switch to asynchronous page-flips. As an exception, * the driver will return success even though that first page-flip is not * asynchronous. */ #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) /** * DRM_MODE_PAGE_FLIP_FLAGS * * Bitmask of flags suitable for &drm_mode_crtc_page_flip_target.flags. */ #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; }; /** * struct drm_mode_create_dumb - Create a KMS dumb buffer for scanout. * @height: buffer height in pixels * @width: buffer width in pixels * @bpp: bits per pixel * @flags: must be zero * @handle: buffer object handle * @pitch: number of bytes between two consecutive lines * @size: size of the whole buffer in bytes * * User-space fills @height, @width, @bpp and @flags. If the IOCTL succeeds, * the kernel fills @handle, @pitch and @size. */ struct drm_mode_create_dumb { __u32 height; __u32 width; __u32 bpp; __u32 flags; __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; }; /** * DRM_MODE_ATOMIC_TEST_ONLY * * Do not apply the atomic commit, instead check whether the hardware supports * this configuration. * * See &drm_mode_config_funcs.atomic_check for more details on test-only * commits. */ #define DRM_MODE_ATOMIC_TEST_ONLY 0x0100 /** * DRM_MODE_ATOMIC_NONBLOCK * * Do not block while applying the atomic commit. The &DRM_IOCTL_MODE_ATOMIC * IOCTL returns immediately instead of waiting for the changes to be applied * in hardware. Note, the driver will still check that the update can be * applied before retuning. */ #define DRM_MODE_ATOMIC_NONBLOCK 0x0200 /** * DRM_MODE_ATOMIC_ALLOW_MODESET * * Allow the update to result in temporary or transient visible artifacts while * the update is being applied. Applying the update may also take significantly * more time than a page flip. All visual artifacts will disappear by the time * the update is completed, as signalled through the vblank event's timestamp * (see struct drm_event_vblank). * * This flag must be set when the KMS update might cause visible artifacts. * Without this flag such KMS update will return a EINVAL error. What kind of * update may cause visible artifacts depends on the driver and the hardware. * User-space that needs to know beforehand if an update might cause visible * artifacts can use &DRM_MODE_ATOMIC_TEST_ONLY without * &DRM_MODE_ATOMIC_ALLOW_MODESET to see if it fails. * * To the best of the driver's knowledge, visual artifacts are guaranteed to * not appear when this flag is not set. Some sinks might display visual * artifacts outside of the driver's control. */ #define DRM_MODE_ATOMIC_ALLOW_MODESET 0x0400 /** * DRM_MODE_ATOMIC_FLAGS * * Bitfield of flags accepted by the &DRM_IOCTL_MODE_ATOMIC IOCTL in * &drm_mode_atomic.flags. */ #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; }; /** * struct drm_mode_create_blob - Create New blob property * * Create a new 'blob' data property, copying length bytes from data pointer, * and returning new blob ID. */ struct drm_mode_create_blob { /** @data: Pointer to data to copy. */ __u64 data; /** @length: Length of data to copy. */ __u32 length; /** @blob_id: Return: new property ID. */ __u32 blob_id; }; /** * struct drm_mode_destroy_blob - Destroy user blob * @blob_id: blob_id to destroy * * Destroy a user-created blob property. * * User-space can release blobs as soon as they do not need to refer to them by * their blob object ID. For instance, if you are using a MODE_ID blob in an * atomic commit and you will not make another commit re-using the same ID, you * can destroy the blob as soon as the commit has been issued, without waiting * for it to complete. */ struct drm_mode_destroy_blob { __u32 blob_id; }; /** * struct drm_mode_create_lease - Create lease * * Lease mode resources, creating another drm_master. * * The @object_ids array must reference at least one CRTC, one connector and * one plane if &DRM_CLIENT_CAP_UNIVERSAL_PLANES is enabled. Alternatively, * the lease can be completely empty. */ struct drm_mode_create_lease { /** @object_ids: Pointer to array of object ids (__u32) */ __u64 object_ids; /** @object_count: Number of object ids */ __u32 object_count; /** @flags: flags for new FD (O_CLOEXEC, etc) */ __u32 flags; /** @lessee_id: Return: unique identifier for lessee. */ __u32 lessee_id; /** @fd: Return: file descriptor to new drm_master file */ __u32 fd; }; /** * struct drm_mode_list_lessees - List lessees * * List lesses from a drm_master. */ struct drm_mode_list_lessees { /** * @count_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; /** @pad: Padding. */ __u32 pad; /** * @lessees_ptr: Pointer to lessees. * * Pointer to __u64 array of lessee ids */ __u64 lessees_ptr; }; /** * struct drm_mode_get_lease - Get Lease * * Get leased objects. */ struct drm_mode_get_lease { /** * @count_objects: 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; /** @pad: Padding. */ __u32 pad; /** * @objects_ptr: Pointer to objects. * * Pointer to __u32 array of object ids. */ __u64 objects_ptr; }; /** * struct drm_mode_revoke_lease - Revoke lease */ struct drm_mode_revoke_lease { /** @lessee_id: Unique ID of lessee */ __u32 lessee_id; }; /** * struct drm_mode_rect - Two dimensional rectangle. * @x1: Horizontal starting coordinate (inclusive). * @y1: Vertical starting coordinate (inclusive). * @x2: Horizontal ending coordinate (exclusive). * @y2: Vertical ending coordinate (exclusive). * * With drm subsystem using struct drm_rect to manage rectangular area this * export it to user-space. * * Currently used by drm_mode_atomic blob property FB_DAMAGE_CLIPS. */ struct drm_mode_rect { __s32 x1; __s32 y1; __s32 x2; __s32 y2; }; /** * struct drm_mode_closefb * @fb_id: Framebuffer ID. * @pad: Must be zero. */ struct drm_mode_closefb { __u32 fb_id; __u32 pad; }; #if defined(__cplusplus) } #endif #endif
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