2 * Copyright (c) 2007 Dave Airlie <airlied@linux.ie>
3 * Copyright (c) 2007 Jakob Bornecrantz <wallbraker@gmail.com>
4 * Copyright (c) 2008 Red Hat Inc.
5 * Copyright (c) 2007-2008 Tungsten Graphics, Inc., Cedar Park, TX., USA
6 * Copyright (c) 2007-2008 Intel Corporation
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
21 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
23 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
32 #if defined(__cplusplus)
36 #define DRM_DISPLAY_INFO_LEN 32
37 #define DRM_CONNECTOR_NAME_LEN 32
38 #define DRM_DISPLAY_MODE_LEN 32
39 #define DRM_PROP_NAME_LEN 32
41 #define DRM_MODE_TYPE_BUILTIN (1<<0)
42 #define DRM_MODE_TYPE_CLOCK_C ((1<<1) | DRM_MODE_TYPE_BUILTIN)
43 #define DRM_MODE_TYPE_CRTC_C ((1<<2) | DRM_MODE_TYPE_BUILTIN)
44 #define DRM_MODE_TYPE_PREFERRED (1<<3)
45 #define DRM_MODE_TYPE_DEFAULT (1<<4)
46 #define DRM_MODE_TYPE_USERDEF (1<<5)
47 #define DRM_MODE_TYPE_DRIVER (1<<6)
49 /* Video mode flags */
50 /* bit compatible with the xrandr RR_ definitions (bits 0-13)
52 * ABI warning: Existing userspace really expects
53 * the mode flags to match the xrandr definitions. Any
54 * changes that don't match the xrandr definitions will
55 * likely need a new client cap or some other mechanism
56 * to avoid breaking existing userspace. This includes
57 * allocating new flags in the previously unused bits!
59 #define DRM_MODE_FLAG_PHSYNC (1<<0)
60 #define DRM_MODE_FLAG_NHSYNC (1<<1)
61 #define DRM_MODE_FLAG_PVSYNC (1<<2)
62 #define DRM_MODE_FLAG_NVSYNC (1<<3)
63 #define DRM_MODE_FLAG_INTERLACE (1<<4)
64 #define DRM_MODE_FLAG_DBLSCAN (1<<5)
65 #define DRM_MODE_FLAG_CSYNC (1<<6)
66 #define DRM_MODE_FLAG_PCSYNC (1<<7)
67 #define DRM_MODE_FLAG_NCSYNC (1<<8)
68 #define DRM_MODE_FLAG_HSKEW (1<<9) /* hskew provided */
69 #define DRM_MODE_FLAG_BCAST (1<<10)
70 #define DRM_MODE_FLAG_PIXMUX (1<<11)
71 #define DRM_MODE_FLAG_DBLCLK (1<<12)
72 #define DRM_MODE_FLAG_CLKDIV2 (1<<13)
74 * When adding a new stereo mode don't forget to adjust DRM_MODE_FLAGS_3D_MAX
75 * (define not exposed to user space).
77 #define DRM_MODE_FLAG_3D_MASK (0x1f<<14)
78 #define DRM_MODE_FLAG_3D_NONE (0<<14)
79 #define DRM_MODE_FLAG_3D_FRAME_PACKING (1<<14)
80 #define DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE (2<<14)
81 #define DRM_MODE_FLAG_3D_LINE_ALTERNATIVE (3<<14)
82 #define DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL (4<<14)
83 #define DRM_MODE_FLAG_3D_L_DEPTH (5<<14)
84 #define DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH (6<<14)
85 #define DRM_MODE_FLAG_3D_TOP_AND_BOTTOM (7<<14)
86 #define DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF (8<<14)
90 /* bit compatible with the xorg definitions. */
91 #define DRM_MODE_DPMS_ON 0
92 #define DRM_MODE_DPMS_STANDBY 1
93 #define DRM_MODE_DPMS_SUSPEND 2
94 #define DRM_MODE_DPMS_OFF 3
96 /* Scaling mode options */
97 #define DRM_MODE_SCALE_NONE 0 /* Unmodified timing (display or
98 software can still scale) */
99 #define DRM_MODE_SCALE_FULLSCREEN 1 /* Full screen, ignore aspect */
100 #define DRM_MODE_SCALE_CENTER 2 /* Centered, no scaling */
101 #define DRM_MODE_SCALE_ASPECT 3 /* Full screen, preserve aspect */
103 /* Picture aspect ratio options */
104 #define DRM_MODE_PICTURE_ASPECT_NONE 0
105 #define DRM_MODE_PICTURE_ASPECT_4_3 1
106 #define DRM_MODE_PICTURE_ASPECT_16_9 2
108 /* Dithering mode options */
109 #define DRM_MODE_DITHERING_OFF 0
110 #define DRM_MODE_DITHERING_ON 1
111 #define DRM_MODE_DITHERING_AUTO 2
113 /* Dirty info options */
114 #define DRM_MODE_DIRTY_OFF 0
115 #define DRM_MODE_DIRTY_ON 1
116 #define DRM_MODE_DIRTY_ANNOTATE 2
118 /* Link Status options */
119 #define DRM_MODE_LINK_STATUS_GOOD 0
120 #define DRM_MODE_LINK_STATUS_BAD 1
123 * DRM_MODE_ROTATE_<degrees>
125 * Signals that a drm plane is been rotated <degrees> degrees in counter
126 * clockwise direction.
128 * This define is provided as a convenience, looking up the property id
129 * using the name->prop id lookup is the preferred method.
131 #define DRM_MODE_ROTATE_0 (1<<0)
132 #define DRM_MODE_ROTATE_90 (1<<1)
133 #define DRM_MODE_ROTATE_180 (1<<2)
134 #define DRM_MODE_ROTATE_270 (1<<3)
137 * DRM_MODE_ROTATE_MASK
139 * Bitmask used to look for drm plane rotations.
141 #define DRM_MODE_ROTATE_MASK (\
142 DRM_MODE_ROTATE_0 | \
143 DRM_MODE_ROTATE_90 | \
144 DRM_MODE_ROTATE_180 | \
148 * DRM_MODE_REFLECT_<axis>
150 * Signals that the contents of a drm plane is reflected in the <axis> axis,
151 * in the same way as mirroring.
153 * This define is provided as a convenience, looking up the property id
154 * using the name->prop id lookup is the preferred method.
156 #define DRM_MODE_REFLECT_X (1<<4)
157 #define DRM_MODE_REFLECT_Y (1<<5)
160 * DRM_MODE_REFLECT_MASK
162 * Bitmask used to look for drm plane reflections.
164 #define DRM_MODE_REFLECT_MASK (\
165 DRM_MODE_REFLECT_X | \
169 struct drm_mode_modeinfo {
186 char name[DRM_DISPLAY_MODE_LEN];
189 struct drm_mode_card_res {
192 __u64 connector_id_ptr;
193 __u64 encoder_id_ptr;
196 __u32 count_connectors;
197 __u32 count_encoders;
204 struct drm_mode_crtc {
205 __u64 set_connectors_ptr;
206 __u32 count_connectors;
208 __u32 crtc_id; /**< Id */
209 __u32 fb_id; /**< Id of framebuffer */
211 __u32 x; /**< x Position on the framebuffer */
212 __u32 y; /**< y Position on the framebuffer */
216 struct drm_mode_modeinfo mode;
219 #define DRM_MODE_PRESENT_TOP_FIELD (1<<0)
220 #define DRM_MODE_PRESENT_BOTTOM_FIELD (1<<1)
222 /* Planes blend with or override other bits on the CRTC */
223 struct drm_mode_set_plane {
226 __u32 fb_id; /* fb object contains surface format type */
227 __u32 flags; /* see above flags */
229 /* Signed dest location allows it to be partially off screen */
235 /* Source values are 16.16 fixed point */
242 struct drm_mode_get_plane {
248 __u32 possible_crtcs;
251 __u32 count_format_types;
252 __u64 format_type_ptr;
255 struct drm_mode_get_plane_res {
260 #define DRM_MODE_ENCODER_NONE 0
261 #define DRM_MODE_ENCODER_DAC 1
262 #define DRM_MODE_ENCODER_TMDS 2
263 #define DRM_MODE_ENCODER_LVDS 3
264 #define DRM_MODE_ENCODER_TVDAC 4
265 #define DRM_MODE_ENCODER_VIRTUAL 5
266 #define DRM_MODE_ENCODER_DSI 6
267 #define DRM_MODE_ENCODER_DPMST 7
268 #define DRM_MODE_ENCODER_DPI 8
270 struct drm_mode_get_encoder {
274 __u32 crtc_id; /**< Id of crtc */
276 __u32 possible_crtcs;
277 __u32 possible_clones;
280 /* This is for connectors with multiple signal types. */
281 /* Try to match DRM_MODE_CONNECTOR_X as closely as possible. */
282 enum drm_mode_subconnector {
283 DRM_MODE_SUBCONNECTOR_Automatic = 0,
284 DRM_MODE_SUBCONNECTOR_Unknown = 0,
285 DRM_MODE_SUBCONNECTOR_DVID = 3,
286 DRM_MODE_SUBCONNECTOR_DVIA = 4,
287 DRM_MODE_SUBCONNECTOR_Composite = 5,
288 DRM_MODE_SUBCONNECTOR_SVIDEO = 6,
289 DRM_MODE_SUBCONNECTOR_Component = 8,
290 DRM_MODE_SUBCONNECTOR_SCART = 9,
293 #define DRM_MODE_CONNECTOR_Unknown 0
294 #define DRM_MODE_CONNECTOR_VGA 1
295 #define DRM_MODE_CONNECTOR_DVII 2
296 #define DRM_MODE_CONNECTOR_DVID 3
297 #define DRM_MODE_CONNECTOR_DVIA 4
298 #define DRM_MODE_CONNECTOR_Composite 5
299 #define DRM_MODE_CONNECTOR_SVIDEO 6
300 #define DRM_MODE_CONNECTOR_LVDS 7
301 #define DRM_MODE_CONNECTOR_Component 8
302 #define DRM_MODE_CONNECTOR_9PinDIN 9
303 #define DRM_MODE_CONNECTOR_DisplayPort 10
304 #define DRM_MODE_CONNECTOR_HDMIA 11
305 #define DRM_MODE_CONNECTOR_HDMIB 12
306 #define DRM_MODE_CONNECTOR_TV 13
307 #define DRM_MODE_CONNECTOR_eDP 14
308 #define DRM_MODE_CONNECTOR_VIRTUAL 15
309 #define DRM_MODE_CONNECTOR_DSI 16
310 #define DRM_MODE_CONNECTOR_DPI 17
312 struct drm_mode_get_connector {
317 __u64 prop_values_ptr;
321 __u32 count_encoders;
323 __u32 encoder_id; /**< Current Encoder */
324 __u32 connector_id; /**< Id */
325 __u32 connector_type;
326 __u32 connector_type_id;
329 __u32 mm_width; /**< width in millimeters */
330 __u32 mm_height; /**< height in millimeters */
336 #define DRM_MODE_PROP_PENDING (1<<0)
337 #define DRM_MODE_PROP_RANGE (1<<1)
338 #define DRM_MODE_PROP_IMMUTABLE (1<<2)
339 #define DRM_MODE_PROP_ENUM (1<<3) /* enumerated type with text strings */
340 #define DRM_MODE_PROP_BLOB (1<<4)
341 #define DRM_MODE_PROP_BITMASK (1<<5) /* bitmask of enumerated types */
343 /* non-extended types: legacy bitmask, one bit per type: */
344 #define DRM_MODE_PROP_LEGACY_TYPE ( \
345 DRM_MODE_PROP_RANGE | \
346 DRM_MODE_PROP_ENUM | \
347 DRM_MODE_PROP_BLOB | \
348 DRM_MODE_PROP_BITMASK)
350 /* extended-types: rather than continue to consume a bit per type,
351 * grab a chunk of the bits to use as integer type id.
353 #define DRM_MODE_PROP_EXTENDED_TYPE 0x0000ffc0
354 #define DRM_MODE_PROP_TYPE(n) ((n) << 6)
355 #define DRM_MODE_PROP_OBJECT DRM_MODE_PROP_TYPE(1)
356 #define DRM_MODE_PROP_SIGNED_RANGE DRM_MODE_PROP_TYPE(2)
358 /* the PROP_ATOMIC flag is used to hide properties from userspace that
359 * is not aware of atomic properties. This is mostly to work around
360 * older userspace (DDX drivers) that read/write each prop they find,
361 * witout being aware that this could be triggering a lengthy modeset.
363 #define DRM_MODE_PROP_ATOMIC 0x80000000
365 struct drm_mode_property_enum {
367 char name[DRM_PROP_NAME_LEN];
370 struct drm_mode_get_property {
371 __u64 values_ptr; /* values and blob lengths */
372 __u64 enum_blob_ptr; /* enum and blob id ptrs */
376 char name[DRM_PROP_NAME_LEN];
379 /* This is only used to count enum values, not blobs. The _blobs is
380 * simply because of a historical reason, i.e. backwards compat. */
381 __u32 count_enum_blobs;
384 struct drm_mode_connector_set_property {
390 #define DRM_MODE_OBJECT_CRTC 0xcccccccc
391 #define DRM_MODE_OBJECT_CONNECTOR 0xc0c0c0c0
392 #define DRM_MODE_OBJECT_ENCODER 0xe0e0e0e0
393 #define DRM_MODE_OBJECT_MODE 0xdededede
394 #define DRM_MODE_OBJECT_PROPERTY 0xb0b0b0b0
395 #define DRM_MODE_OBJECT_FB 0xfbfbfbfb
396 #define DRM_MODE_OBJECT_BLOB 0xbbbbbbbb
397 #define DRM_MODE_OBJECT_PLANE 0xeeeeeeee
398 #define DRM_MODE_OBJECT_ANY 0
400 struct drm_mode_obj_get_properties {
402 __u64 prop_values_ptr;
408 struct drm_mode_obj_set_property {
415 struct drm_mode_get_blob {
421 struct drm_mode_fb_cmd {
428 /* driver specific handle */
432 #define DRM_MODE_FB_INTERLACED (1<<0) /* for interlaced framebuffers */
433 #define DRM_MODE_FB_MODIFIERS (1<<1) /* enables ->modifer[] */
435 struct drm_mode_fb_cmd2 {
439 __u32 pixel_format; /* fourcc code from drm_fourcc.h */
440 __u32 flags; /* see above flags */
443 * In case of planar formats, this ioctl allows up to 4
444 * buffer objects with offsets and pitches per plane.
445 * The pitch and offset order is dictated by the fourcc,
446 * e.g. NV12 (http://fourcc.org/yuv.php#NV12) is described as:
448 * YUV 4:2:0 image with a plane of 8 bit Y samples
449 * followed by an interleaved U/V plane containing
450 * 8 bit 2x2 subsampled colour difference samples.
452 * So it would consist of Y as offsets[0] and UV as
453 * offsets[1]. Note that offsets[0] will generally
454 * be 0 (but this is not required).
456 * To accommodate tiled, compressed, etc formats, a
457 * modifier can be specified. The default value of zero
458 * indicates "native" format as specified by the fourcc.
459 * Vendor specific modifier token. Note that even though
460 * it looks like we have a modifier per-plane, we in fact
461 * do not. The modifier for each plane must be identical.
462 * Thus all combinations of different data layouts for
463 * multi plane formats must be enumerated as separate
467 __u32 pitches[4]; /* pitch for each plane */
468 __u32 offsets[4]; /* offset of each plane */
469 __u64 modifier[4]; /* ie, tiling, compress */
472 #define DRM_MODE_FB_DIRTY_ANNOTATE_COPY 0x01
473 #define DRM_MODE_FB_DIRTY_ANNOTATE_FILL 0x02
474 #define DRM_MODE_FB_DIRTY_FLAGS 0x03
476 #define DRM_MODE_FB_DIRTY_MAX_CLIPS 256
479 * Mark a region of a framebuffer as dirty.
481 * Some hardware does not automatically update display contents
482 * as a hardware or software draw to a framebuffer. This ioctl
483 * allows userspace to tell the kernel and the hardware what
484 * regions of the framebuffer have changed.
486 * The kernel or hardware is free to update more then just the
487 * region specified by the clip rects. The kernel or hardware
488 * may also delay and/or coalesce several calls to dirty into a
491 * Userspace may annotate the updates, the annotates are a
492 * promise made by the caller that the change is either a copy
493 * of pixels or a fill of a single color in the region specified.
495 * If the DRM_MODE_FB_DIRTY_ANNOTATE_COPY flag is given then
496 * the number of updated regions are half of num_clips given,
497 * where the clip rects are paired in src and dst. The width and
498 * height of each one of the pairs must match.
500 * If the DRM_MODE_FB_DIRTY_ANNOTATE_FILL flag is given the caller
501 * promises that the region specified of the clip rects is filled
502 * completely with a single color as given in the color argument.
505 struct drm_mode_fb_dirty_cmd {
513 struct drm_mode_mode_cmd {
515 struct drm_mode_modeinfo mode;
518 #define DRM_MODE_CURSOR_BO 0x01
519 #define DRM_MODE_CURSOR_MOVE 0x02
520 #define DRM_MODE_CURSOR_FLAGS 0x03
523 * depending on the value in flags different members are used.
529 * handle - if 0 turns the cursor off
536 struct drm_mode_cursor {
543 /* driver specific handle */
547 struct drm_mode_cursor2 {
554 /* driver specific handle */
560 struct drm_mode_crtc_lut {
564 /* pointers to arrays */
570 struct drm_color_ctm {
571 /* Conversion matrix in S31.32 format. */
575 struct drm_color_lut {
577 * Data is U0.16 fixed point format.
585 #define DRM_MODE_PAGE_FLIP_EVENT 0x01
586 #define DRM_MODE_PAGE_FLIP_ASYNC 0x02
587 #define DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE 0x4
588 #define DRM_MODE_PAGE_FLIP_TARGET_RELATIVE 0x8
589 #define DRM_MODE_PAGE_FLIP_TARGET (DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE | \
590 DRM_MODE_PAGE_FLIP_TARGET_RELATIVE)
591 #define DRM_MODE_PAGE_FLIP_FLAGS (DRM_MODE_PAGE_FLIP_EVENT | \
592 DRM_MODE_PAGE_FLIP_ASYNC | \
593 DRM_MODE_PAGE_FLIP_TARGET)
596 * Request a page flip on the specified crtc.
598 * This ioctl will ask KMS to schedule a page flip for the specified
599 * crtc. Once any pending rendering targeting the specified fb (as of
600 * ioctl time) has completed, the crtc will be reprogrammed to display
601 * that fb after the next vertical refresh. The ioctl returns
602 * immediately, but subsequent rendering to the current fb will block
603 * in the execbuffer ioctl until the page flip happens. If a page
604 * flip is already pending as the ioctl is called, EBUSY will be
607 * Flag DRM_MODE_PAGE_FLIP_EVENT requests that drm sends back a vblank
608 * event (see drm.h: struct drm_event_vblank) when the page flip is
609 * done. The user_data field passed in with this ioctl will be
610 * returned as the user_data field in the vblank event struct.
612 * Flag DRM_MODE_PAGE_FLIP_ASYNC requests that the flip happen
613 * 'as soon as possible', meaning that it not delay waiting for vblank.
614 * This may cause tearing on the screen.
616 * The reserved field must be zero.
619 struct drm_mode_crtc_page_flip {
628 * Request a page flip on the specified crtc.
630 * Same as struct drm_mode_crtc_page_flip, but supports new flags and
631 * re-purposes the reserved field:
633 * The sequence field must be zero unless either of the
634 * DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE/RELATIVE flags is specified. When
635 * the ABSOLUTE flag is specified, the sequence field denotes the absolute
636 * vblank sequence when the flip should take effect. When the RELATIVE
637 * flag is specified, the sequence field denotes the relative (to the
638 * current one when the ioctl is called) vblank sequence when the flip
639 * should take effect. NOTE: DRM_IOCTL_WAIT_VBLANK must still be used to
640 * make sure the vblank sequence before the target one has passed before
641 * calling this ioctl. The purpose of the
642 * DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE/RELATIVE flags is merely to clarify
643 * the target for when code dealing with a page flip runs during a
644 * vertical blank period.
647 struct drm_mode_crtc_page_flip_target {
655 /* create a dumb scanout buffer */
656 struct drm_mode_create_dumb {
661 /* handle, pitch, size will be returned */
667 /* set up for mmap of a dumb scanout buffer */
668 struct drm_mode_map_dumb {
669 /** Handle for the object being mapped. */
673 * Fake offset to use for subsequent mmap call
675 * This is a fixed-size type for 32/64 compatibility.
680 struct drm_mode_destroy_dumb {
684 /* page-flip flags are valid, plus: */
685 #define DRM_MODE_ATOMIC_TEST_ONLY 0x0100
686 #define DRM_MODE_ATOMIC_NONBLOCK 0x0200
687 #define DRM_MODE_ATOMIC_ALLOW_MODESET 0x0400
689 #define DRM_MODE_ATOMIC_FLAGS (\
690 DRM_MODE_PAGE_FLIP_EVENT |\
691 DRM_MODE_PAGE_FLIP_ASYNC |\
692 DRM_MODE_ATOMIC_TEST_ONLY |\
693 DRM_MODE_ATOMIC_NONBLOCK |\
694 DRM_MODE_ATOMIC_ALLOW_MODESET)
696 struct drm_mode_atomic {
700 __u64 count_props_ptr;
702 __u64 prop_values_ptr;
707 struct drm_format_modifier_blob {
708 #define FORMAT_BLOB_CURRENT 1
709 /* Version of this blob format */
715 /* Number of fourcc formats supported */
718 /* Where in this blob the formats exist (in bytes) */
719 __u32 formats_offset;
721 /* Number of drm_format_modifiers */
722 __u32 count_modifiers;
724 /* Where in this blob the modifiers exist (in bytes) */
725 __u32 modifiers_offset;
728 /* struct drm_format_modifier modifiers[] */
731 struct drm_format_modifier {
732 /* Bitmask of formats in get_plane format list this info applies to. The
733 * offset allows a sliding window of which 64 formats (bits).
736 * In today's world with < 65 formats, and formats 0, and 2 are
739 * ^-offset = 0, formats = 5
741 * If the number formats grew to 128, and formats 98-102 are
742 * supported with the modifier:
744 * 0x0000003c00000000 0000000000000000
746 * |__offset = 64, formats = 0x3c00000000
753 /* The modifier that applies to the >get_plane format list bitmask. */
758 * Create a new 'blob' data property, copying length bytes from data pointer,
759 * and returning new blob ID.
761 struct drm_mode_create_blob {
762 /** Pointer to data to copy. */
764 /** Length of data to copy. */
766 /** Return: new property ID. */
771 * Destroy a user-created blob property.
773 struct drm_mode_destroy_blob {
777 #if defined(__cplusplus)