xref: /openbmc/linux/include/uapi/drm/drm_mode.h (revision 3a83e4e6)
1 /*
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
7  *
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:
14  *
15  * The above copyright notice and this permission notice shall be included in
16  * all copies or substantial portions of the Software.
17  *
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
24  * IN THE SOFTWARE.
25  */
26 
27 #ifndef _DRM_MODE_H
28 #define _DRM_MODE_H
29 
30 #include "drm.h"
31 
32 #if defined(__cplusplus)
33 extern "C" {
34 #endif
35 
36 /**
37  * DOC: overview
38  *
39  * DRM exposes many UAPI and structure definition to have a consistent
40  * and standardized interface with user.
41  * Userspace can refer to these structure definitions and UAPI formats
42  * to communicate to driver
43  */
44 
45 #define DRM_CONNECTOR_NAME_LEN	32
46 #define DRM_DISPLAY_MODE_LEN	32
47 #define DRM_PROP_NAME_LEN	32
48 
49 #define DRM_MODE_TYPE_BUILTIN	(1<<0) /* deprecated */
50 #define DRM_MODE_TYPE_CLOCK_C	((1<<1) | DRM_MODE_TYPE_BUILTIN) /* deprecated */
51 #define DRM_MODE_TYPE_CRTC_C	((1<<2) | DRM_MODE_TYPE_BUILTIN) /* deprecated */
52 #define DRM_MODE_TYPE_PREFERRED	(1<<3)
53 #define DRM_MODE_TYPE_DEFAULT	(1<<4) /* deprecated */
54 #define DRM_MODE_TYPE_USERDEF	(1<<5)
55 #define DRM_MODE_TYPE_DRIVER	(1<<6)
56 
57 #define DRM_MODE_TYPE_ALL	(DRM_MODE_TYPE_PREFERRED |	\
58 				 DRM_MODE_TYPE_USERDEF |	\
59 				 DRM_MODE_TYPE_DRIVER)
60 
61 /* Video mode flags */
62 /* bit compatible with the xrandr RR_ definitions (bits 0-13)
63  *
64  * ABI warning: Existing userspace really expects
65  * the mode flags to match the xrandr definitions. Any
66  * changes that don't match the xrandr definitions will
67  * likely need a new client cap or some other mechanism
68  * to avoid breaking existing userspace. This includes
69  * allocating new flags in the previously unused bits!
70  */
71 #define DRM_MODE_FLAG_PHSYNC			(1<<0)
72 #define DRM_MODE_FLAG_NHSYNC			(1<<1)
73 #define DRM_MODE_FLAG_PVSYNC			(1<<2)
74 #define DRM_MODE_FLAG_NVSYNC			(1<<3)
75 #define DRM_MODE_FLAG_INTERLACE			(1<<4)
76 #define DRM_MODE_FLAG_DBLSCAN			(1<<5)
77 #define DRM_MODE_FLAG_CSYNC			(1<<6)
78 #define DRM_MODE_FLAG_PCSYNC			(1<<7)
79 #define DRM_MODE_FLAG_NCSYNC			(1<<8)
80 #define DRM_MODE_FLAG_HSKEW			(1<<9) /* hskew provided */
81 #define DRM_MODE_FLAG_BCAST			(1<<10) /* deprecated */
82 #define DRM_MODE_FLAG_PIXMUX			(1<<11) /* deprecated */
83 #define DRM_MODE_FLAG_DBLCLK			(1<<12)
84 #define DRM_MODE_FLAG_CLKDIV2			(1<<13)
85  /*
86   * When adding a new stereo mode don't forget to adjust DRM_MODE_FLAGS_3D_MAX
87   * (define not exposed to user space).
88   */
89 #define DRM_MODE_FLAG_3D_MASK			(0x1f<<14)
90 #define  DRM_MODE_FLAG_3D_NONE		(0<<14)
91 #define  DRM_MODE_FLAG_3D_FRAME_PACKING		(1<<14)
92 #define  DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE	(2<<14)
93 #define  DRM_MODE_FLAG_3D_LINE_ALTERNATIVE	(3<<14)
94 #define  DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL	(4<<14)
95 #define  DRM_MODE_FLAG_3D_L_DEPTH		(5<<14)
96 #define  DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH	(6<<14)
97 #define  DRM_MODE_FLAG_3D_TOP_AND_BOTTOM	(7<<14)
98 #define  DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF	(8<<14)
99 
100 /* Picture aspect ratio options */
101 #define DRM_MODE_PICTURE_ASPECT_NONE		0
102 #define DRM_MODE_PICTURE_ASPECT_4_3		1
103 #define DRM_MODE_PICTURE_ASPECT_16_9		2
104 #define DRM_MODE_PICTURE_ASPECT_64_27		3
105 #define DRM_MODE_PICTURE_ASPECT_256_135		4
106 
107 /* Content type options */
108 #define DRM_MODE_CONTENT_TYPE_NO_DATA		0
109 #define DRM_MODE_CONTENT_TYPE_GRAPHICS		1
110 #define DRM_MODE_CONTENT_TYPE_PHOTO		2
111 #define DRM_MODE_CONTENT_TYPE_CINEMA		3
112 #define DRM_MODE_CONTENT_TYPE_GAME		4
113 
114 /* Aspect ratio flag bitmask (4 bits 22:19) */
115 #define DRM_MODE_FLAG_PIC_AR_MASK		(0x0F<<19)
116 #define  DRM_MODE_FLAG_PIC_AR_NONE \
117 			(DRM_MODE_PICTURE_ASPECT_NONE<<19)
118 #define  DRM_MODE_FLAG_PIC_AR_4_3 \
119 			(DRM_MODE_PICTURE_ASPECT_4_3<<19)
120 #define  DRM_MODE_FLAG_PIC_AR_16_9 \
121 			(DRM_MODE_PICTURE_ASPECT_16_9<<19)
122 #define  DRM_MODE_FLAG_PIC_AR_64_27 \
123 			(DRM_MODE_PICTURE_ASPECT_64_27<<19)
124 #define  DRM_MODE_FLAG_PIC_AR_256_135 \
125 			(DRM_MODE_PICTURE_ASPECT_256_135<<19)
126 
127 #define  DRM_MODE_FLAG_ALL	(DRM_MODE_FLAG_PHSYNC |		\
128 				 DRM_MODE_FLAG_NHSYNC |		\
129 				 DRM_MODE_FLAG_PVSYNC |		\
130 				 DRM_MODE_FLAG_NVSYNC |		\
131 				 DRM_MODE_FLAG_INTERLACE |	\
132 				 DRM_MODE_FLAG_DBLSCAN |	\
133 				 DRM_MODE_FLAG_CSYNC |		\
134 				 DRM_MODE_FLAG_PCSYNC |		\
135 				 DRM_MODE_FLAG_NCSYNC |		\
136 				 DRM_MODE_FLAG_HSKEW |		\
137 				 DRM_MODE_FLAG_DBLCLK |		\
138 				 DRM_MODE_FLAG_CLKDIV2 |	\
139 				 DRM_MODE_FLAG_3D_MASK)
140 
141 /* DPMS flags */
142 /* bit compatible with the xorg definitions. */
143 #define DRM_MODE_DPMS_ON	0
144 #define DRM_MODE_DPMS_STANDBY	1
145 #define DRM_MODE_DPMS_SUSPEND	2
146 #define DRM_MODE_DPMS_OFF	3
147 
148 /* Scaling mode options */
149 #define DRM_MODE_SCALE_NONE		0 /* Unmodified timing (display or
150 					     software can still scale) */
151 #define DRM_MODE_SCALE_FULLSCREEN	1 /* Full screen, ignore aspect */
152 #define DRM_MODE_SCALE_CENTER		2 /* Centered, no scaling */
153 #define DRM_MODE_SCALE_ASPECT		3 /* Full screen, preserve aspect */
154 
155 /* Dithering mode options */
156 #define DRM_MODE_DITHERING_OFF	0
157 #define DRM_MODE_DITHERING_ON	1
158 #define DRM_MODE_DITHERING_AUTO 2
159 
160 /* Dirty info options */
161 #define DRM_MODE_DIRTY_OFF      0
162 #define DRM_MODE_DIRTY_ON       1
163 #define DRM_MODE_DIRTY_ANNOTATE 2
164 
165 /* Link Status options */
166 #define DRM_MODE_LINK_STATUS_GOOD	0
167 #define DRM_MODE_LINK_STATUS_BAD	1
168 
169 /*
170  * DRM_MODE_ROTATE_<degrees>
171  *
172  * Signals that a drm plane is been rotated <degrees> degrees in counter
173  * clockwise direction.
174  *
175  * This define is provided as a convenience, looking up the property id
176  * using the name->prop id lookup is the preferred method.
177  */
178 #define DRM_MODE_ROTATE_0       (1<<0)
179 #define DRM_MODE_ROTATE_90      (1<<1)
180 #define DRM_MODE_ROTATE_180     (1<<2)
181 #define DRM_MODE_ROTATE_270     (1<<3)
182 
183 /*
184  * DRM_MODE_ROTATE_MASK
185  *
186  * Bitmask used to look for drm plane rotations.
187  */
188 #define DRM_MODE_ROTATE_MASK (\
189 		DRM_MODE_ROTATE_0  | \
190 		DRM_MODE_ROTATE_90  | \
191 		DRM_MODE_ROTATE_180 | \
192 		DRM_MODE_ROTATE_270)
193 
194 /*
195  * DRM_MODE_REFLECT_<axis>
196  *
197  * Signals that the contents of a drm plane is reflected along the <axis> axis,
198  * in the same way as mirroring.
199  * See kerneldoc chapter "Plane Composition Properties" for more details.
200  *
201  * This define is provided as a convenience, looking up the property id
202  * using the name->prop id lookup is the preferred method.
203  */
204 #define DRM_MODE_REFLECT_X      (1<<4)
205 #define DRM_MODE_REFLECT_Y      (1<<5)
206 
207 /*
208  * DRM_MODE_REFLECT_MASK
209  *
210  * Bitmask used to look for drm plane reflections.
211  */
212 #define DRM_MODE_REFLECT_MASK (\
213 		DRM_MODE_REFLECT_X | \
214 		DRM_MODE_REFLECT_Y)
215 
216 /* Content Protection Flags */
217 #define DRM_MODE_CONTENT_PROTECTION_UNDESIRED	0
218 #define DRM_MODE_CONTENT_PROTECTION_DESIRED     1
219 #define DRM_MODE_CONTENT_PROTECTION_ENABLED     2
220 
221 struct drm_mode_modeinfo {
222 	__u32 clock;
223 	__u16 hdisplay;
224 	__u16 hsync_start;
225 	__u16 hsync_end;
226 	__u16 htotal;
227 	__u16 hskew;
228 	__u16 vdisplay;
229 	__u16 vsync_start;
230 	__u16 vsync_end;
231 	__u16 vtotal;
232 	__u16 vscan;
233 
234 	__u32 vrefresh;
235 
236 	__u32 flags;
237 	__u32 type;
238 	char name[DRM_DISPLAY_MODE_LEN];
239 };
240 
241 struct drm_mode_card_res {
242 	__u64 fb_id_ptr;
243 	__u64 crtc_id_ptr;
244 	__u64 connector_id_ptr;
245 	__u64 encoder_id_ptr;
246 	__u32 count_fbs;
247 	__u32 count_crtcs;
248 	__u32 count_connectors;
249 	__u32 count_encoders;
250 	__u32 min_width;
251 	__u32 max_width;
252 	__u32 min_height;
253 	__u32 max_height;
254 };
255 
256 struct drm_mode_crtc {
257 	__u64 set_connectors_ptr;
258 	__u32 count_connectors;
259 
260 	__u32 crtc_id; /**< Id */
261 	__u32 fb_id; /**< Id of framebuffer */
262 
263 	__u32 x; /**< x Position on the framebuffer */
264 	__u32 y; /**< y Position on the framebuffer */
265 
266 	__u32 gamma_size;
267 	__u32 mode_valid;
268 	struct drm_mode_modeinfo mode;
269 };
270 
271 #define DRM_MODE_PRESENT_TOP_FIELD	(1<<0)
272 #define DRM_MODE_PRESENT_BOTTOM_FIELD	(1<<1)
273 
274 /* Planes blend with or override other bits on the CRTC */
275 struct drm_mode_set_plane {
276 	__u32 plane_id;
277 	__u32 crtc_id;
278 	__u32 fb_id; /* fb object contains surface format type */
279 	__u32 flags; /* see above flags */
280 
281 	/* Signed dest location allows it to be partially off screen */
282 	__s32 crtc_x;
283 	__s32 crtc_y;
284 	__u32 crtc_w;
285 	__u32 crtc_h;
286 
287 	/* Source values are 16.16 fixed point */
288 	__u32 src_x;
289 	__u32 src_y;
290 	__u32 src_h;
291 	__u32 src_w;
292 };
293 
294 struct drm_mode_get_plane {
295 	__u32 plane_id;
296 
297 	__u32 crtc_id;
298 	__u32 fb_id;
299 
300 	__u32 possible_crtcs;
301 	__u32 gamma_size;
302 
303 	__u32 count_format_types;
304 	__u64 format_type_ptr;
305 };
306 
307 struct drm_mode_get_plane_res {
308 	__u64 plane_id_ptr;
309 	__u32 count_planes;
310 };
311 
312 #define DRM_MODE_ENCODER_NONE	0
313 #define DRM_MODE_ENCODER_DAC	1
314 #define DRM_MODE_ENCODER_TMDS	2
315 #define DRM_MODE_ENCODER_LVDS	3
316 #define DRM_MODE_ENCODER_TVDAC	4
317 #define DRM_MODE_ENCODER_VIRTUAL 5
318 #define DRM_MODE_ENCODER_DSI	6
319 #define DRM_MODE_ENCODER_DPMST	7
320 #define DRM_MODE_ENCODER_DPI	8
321 
322 struct drm_mode_get_encoder {
323 	__u32 encoder_id;
324 	__u32 encoder_type;
325 
326 	__u32 crtc_id; /**< Id of crtc */
327 
328 	__u32 possible_crtcs;
329 	__u32 possible_clones;
330 };
331 
332 /* This is for connectors with multiple signal types. */
333 /* Try to match DRM_MODE_CONNECTOR_X as closely as possible. */
334 enum drm_mode_subconnector {
335 	DRM_MODE_SUBCONNECTOR_Automatic   = 0,  /* DVI-I, TV     */
336 	DRM_MODE_SUBCONNECTOR_Unknown     = 0,  /* DVI-I, TV, DP */
337 	DRM_MODE_SUBCONNECTOR_VGA	  = 1,  /*            DP */
338 	DRM_MODE_SUBCONNECTOR_DVID	  = 3,  /* DVI-I      DP */
339 	DRM_MODE_SUBCONNECTOR_DVIA	  = 4,  /* DVI-I         */
340 	DRM_MODE_SUBCONNECTOR_Composite   = 5,  /*        TV     */
341 	DRM_MODE_SUBCONNECTOR_SVIDEO	  = 6,  /*        TV     */
342 	DRM_MODE_SUBCONNECTOR_Component   = 8,  /*        TV     */
343 	DRM_MODE_SUBCONNECTOR_SCART	  = 9,  /*        TV     */
344 	DRM_MODE_SUBCONNECTOR_DisplayPort = 10, /*            DP */
345 	DRM_MODE_SUBCONNECTOR_HDMIA       = 11, /*            DP */
346 	DRM_MODE_SUBCONNECTOR_Native      = 15, /*            DP */
347 	DRM_MODE_SUBCONNECTOR_Wireless    = 18, /*            DP */
348 };
349 
350 #define DRM_MODE_CONNECTOR_Unknown	0
351 #define DRM_MODE_CONNECTOR_VGA		1
352 #define DRM_MODE_CONNECTOR_DVII		2
353 #define DRM_MODE_CONNECTOR_DVID		3
354 #define DRM_MODE_CONNECTOR_DVIA		4
355 #define DRM_MODE_CONNECTOR_Composite	5
356 #define DRM_MODE_CONNECTOR_SVIDEO	6
357 #define DRM_MODE_CONNECTOR_LVDS		7
358 #define DRM_MODE_CONNECTOR_Component	8
359 #define DRM_MODE_CONNECTOR_9PinDIN	9
360 #define DRM_MODE_CONNECTOR_DisplayPort	10
361 #define DRM_MODE_CONNECTOR_HDMIA	11
362 #define DRM_MODE_CONNECTOR_HDMIB	12
363 #define DRM_MODE_CONNECTOR_TV		13
364 #define DRM_MODE_CONNECTOR_eDP		14
365 #define DRM_MODE_CONNECTOR_VIRTUAL      15
366 #define DRM_MODE_CONNECTOR_DSI		16
367 #define DRM_MODE_CONNECTOR_DPI		17
368 #define DRM_MODE_CONNECTOR_WRITEBACK	18
369 #define DRM_MODE_CONNECTOR_SPI		19
370 
371 struct drm_mode_get_connector {
372 
373 	__u64 encoders_ptr;
374 	__u64 modes_ptr;
375 	__u64 props_ptr;
376 	__u64 prop_values_ptr;
377 
378 	__u32 count_modes;
379 	__u32 count_props;
380 	__u32 count_encoders;
381 
382 	__u32 encoder_id; /**< Current Encoder */
383 	__u32 connector_id; /**< Id */
384 	__u32 connector_type;
385 	__u32 connector_type_id;
386 
387 	__u32 connection;
388 	__u32 mm_width;  /**< width in millimeters */
389 	__u32 mm_height; /**< height in millimeters */
390 	__u32 subpixel;
391 
392 	__u32 pad;
393 };
394 
395 #define DRM_MODE_PROP_PENDING	(1<<0) /* deprecated, do not use */
396 #define DRM_MODE_PROP_RANGE	(1<<1)
397 #define DRM_MODE_PROP_IMMUTABLE	(1<<2)
398 #define DRM_MODE_PROP_ENUM	(1<<3) /* enumerated type with text strings */
399 #define DRM_MODE_PROP_BLOB	(1<<4)
400 #define DRM_MODE_PROP_BITMASK	(1<<5) /* bitmask of enumerated types */
401 
402 /* non-extended types: legacy bitmask, one bit per type: */
403 #define DRM_MODE_PROP_LEGACY_TYPE  ( \
404 		DRM_MODE_PROP_RANGE | \
405 		DRM_MODE_PROP_ENUM | \
406 		DRM_MODE_PROP_BLOB | \
407 		DRM_MODE_PROP_BITMASK)
408 
409 /* extended-types: rather than continue to consume a bit per type,
410  * grab a chunk of the bits to use as integer type id.
411  */
412 #define DRM_MODE_PROP_EXTENDED_TYPE	0x0000ffc0
413 #define DRM_MODE_PROP_TYPE(n)		((n) << 6)
414 #define DRM_MODE_PROP_OBJECT		DRM_MODE_PROP_TYPE(1)
415 #define DRM_MODE_PROP_SIGNED_RANGE	DRM_MODE_PROP_TYPE(2)
416 
417 /* the PROP_ATOMIC flag is used to hide properties from userspace that
418  * is not aware of atomic properties.  This is mostly to work around
419  * older userspace (DDX drivers) that read/write each prop they find,
420  * witout being aware that this could be triggering a lengthy modeset.
421  */
422 #define DRM_MODE_PROP_ATOMIC        0x80000000
423 
424 struct drm_mode_property_enum {
425 	__u64 value;
426 	char name[DRM_PROP_NAME_LEN];
427 };
428 
429 struct drm_mode_get_property {
430 	__u64 values_ptr; /* values and blob lengths */
431 	__u64 enum_blob_ptr; /* enum and blob id ptrs */
432 
433 	__u32 prop_id;
434 	__u32 flags;
435 	char name[DRM_PROP_NAME_LEN];
436 
437 	__u32 count_values;
438 	/* This is only used to count enum values, not blobs. The _blobs is
439 	 * simply because of a historical reason, i.e. backwards compat. */
440 	__u32 count_enum_blobs;
441 };
442 
443 struct drm_mode_connector_set_property {
444 	__u64 value;
445 	__u32 prop_id;
446 	__u32 connector_id;
447 };
448 
449 #define DRM_MODE_OBJECT_CRTC 0xcccccccc
450 #define DRM_MODE_OBJECT_CONNECTOR 0xc0c0c0c0
451 #define DRM_MODE_OBJECT_ENCODER 0xe0e0e0e0
452 #define DRM_MODE_OBJECT_MODE 0xdededede
453 #define DRM_MODE_OBJECT_PROPERTY 0xb0b0b0b0
454 #define DRM_MODE_OBJECT_FB 0xfbfbfbfb
455 #define DRM_MODE_OBJECT_BLOB 0xbbbbbbbb
456 #define DRM_MODE_OBJECT_PLANE 0xeeeeeeee
457 #define DRM_MODE_OBJECT_ANY 0
458 
459 struct drm_mode_obj_get_properties {
460 	__u64 props_ptr;
461 	__u64 prop_values_ptr;
462 	__u32 count_props;
463 	__u32 obj_id;
464 	__u32 obj_type;
465 };
466 
467 struct drm_mode_obj_set_property {
468 	__u64 value;
469 	__u32 prop_id;
470 	__u32 obj_id;
471 	__u32 obj_type;
472 };
473 
474 struct drm_mode_get_blob {
475 	__u32 blob_id;
476 	__u32 length;
477 	__u64 data;
478 };
479 
480 struct drm_mode_fb_cmd {
481 	__u32 fb_id;
482 	__u32 width;
483 	__u32 height;
484 	__u32 pitch;
485 	__u32 bpp;
486 	__u32 depth;
487 	/* driver specific handle */
488 	__u32 handle;
489 };
490 
491 #define DRM_MODE_FB_INTERLACED	(1<<0) /* for interlaced framebuffers */
492 #define DRM_MODE_FB_MODIFIERS	(1<<1) /* enables ->modifer[] */
493 
494 struct drm_mode_fb_cmd2 {
495 	__u32 fb_id;
496 	__u32 width;
497 	__u32 height;
498 	__u32 pixel_format; /* fourcc code from drm_fourcc.h */
499 	__u32 flags; /* see above flags */
500 
501 	/*
502 	 * In case of planar formats, this ioctl allows up to 4
503 	 * buffer objects with offsets and pitches per plane.
504 	 * The pitch and offset order is dictated by the fourcc,
505 	 * e.g. NV12 (https://fourcc.org/yuv.php#NV12) is described as:
506 	 *
507 	 *   YUV 4:2:0 image with a plane of 8 bit Y samples
508 	 *   followed by an interleaved U/V plane containing
509 	 *   8 bit 2x2 subsampled colour difference samples.
510 	 *
511 	 * So it would consist of Y as offsets[0] and UV as
512 	 * offsets[1].  Note that offsets[0] will generally
513 	 * be 0 (but this is not required).
514 	 *
515 	 * To accommodate tiled, compressed, etc formats, a
516 	 * modifier can be specified.  The default value of zero
517 	 * indicates "native" format as specified by the fourcc.
518 	 * Vendor specific modifier token.  Note that even though
519 	 * it looks like we have a modifier per-plane, we in fact
520 	 * do not. The modifier for each plane must be identical.
521 	 * Thus all combinations of different data layouts for
522 	 * multi plane formats must be enumerated as separate
523 	 * modifiers.
524 	 */
525 	__u32 handles[4];
526 	__u32 pitches[4]; /* pitch for each plane */
527 	__u32 offsets[4]; /* offset of each plane */
528 	__u64 modifier[4]; /* ie, tiling, compress */
529 };
530 
531 #define DRM_MODE_FB_DIRTY_ANNOTATE_COPY 0x01
532 #define DRM_MODE_FB_DIRTY_ANNOTATE_FILL 0x02
533 #define DRM_MODE_FB_DIRTY_FLAGS         0x03
534 
535 #define DRM_MODE_FB_DIRTY_MAX_CLIPS     256
536 
537 /*
538  * Mark a region of a framebuffer as dirty.
539  *
540  * Some hardware does not automatically update display contents
541  * as a hardware or software draw to a framebuffer. This ioctl
542  * allows userspace to tell the kernel and the hardware what
543  * regions of the framebuffer have changed.
544  *
545  * The kernel or hardware is free to update more then just the
546  * region specified by the clip rects. The kernel or hardware
547  * may also delay and/or coalesce several calls to dirty into a
548  * single update.
549  *
550  * Userspace may annotate the updates, the annotates are a
551  * promise made by the caller that the change is either a copy
552  * of pixels or a fill of a single color in the region specified.
553  *
554  * If the DRM_MODE_FB_DIRTY_ANNOTATE_COPY flag is given then
555  * the number of updated regions are half of num_clips given,
556  * where the clip rects are paired in src and dst. The width and
557  * height of each one of the pairs must match.
558  *
559  * If the DRM_MODE_FB_DIRTY_ANNOTATE_FILL flag is given the caller
560  * promises that the region specified of the clip rects is filled
561  * completely with a single color as given in the color argument.
562  */
563 
564 struct drm_mode_fb_dirty_cmd {
565 	__u32 fb_id;
566 	__u32 flags;
567 	__u32 color;
568 	__u32 num_clips;
569 	__u64 clips_ptr;
570 };
571 
572 struct drm_mode_mode_cmd {
573 	__u32 connector_id;
574 	struct drm_mode_modeinfo mode;
575 };
576 
577 #define DRM_MODE_CURSOR_BO	0x01
578 #define DRM_MODE_CURSOR_MOVE	0x02
579 #define DRM_MODE_CURSOR_FLAGS	0x03
580 
581 /*
582  * depending on the value in flags different members are used.
583  *
584  * CURSOR_BO uses
585  *    crtc_id
586  *    width
587  *    height
588  *    handle - if 0 turns the cursor off
589  *
590  * CURSOR_MOVE uses
591  *    crtc_id
592  *    x
593  *    y
594  */
595 struct drm_mode_cursor {
596 	__u32 flags;
597 	__u32 crtc_id;
598 	__s32 x;
599 	__s32 y;
600 	__u32 width;
601 	__u32 height;
602 	/* driver specific handle */
603 	__u32 handle;
604 };
605 
606 struct drm_mode_cursor2 {
607 	__u32 flags;
608 	__u32 crtc_id;
609 	__s32 x;
610 	__s32 y;
611 	__u32 width;
612 	__u32 height;
613 	/* driver specific handle */
614 	__u32 handle;
615 	__s32 hot_x;
616 	__s32 hot_y;
617 };
618 
619 struct drm_mode_crtc_lut {
620 	__u32 crtc_id;
621 	__u32 gamma_size;
622 
623 	/* pointers to arrays */
624 	__u64 red;
625 	__u64 green;
626 	__u64 blue;
627 };
628 
629 struct drm_color_ctm {
630 	/*
631 	 * Conversion matrix in S31.32 sign-magnitude
632 	 * (not two's complement!) format.
633 	 */
634 	__u64 matrix[9];
635 };
636 
637 struct drm_color_lut {
638 	/*
639 	 * Values are mapped linearly to 0.0 - 1.0 range, with 0x0 == 0.0 and
640 	 * 0xffff == 1.0.
641 	 */
642 	__u16 red;
643 	__u16 green;
644 	__u16 blue;
645 	__u16 reserved;
646 };
647 
648 /**
649  * struct hdr_metadata_infoframe - HDR Metadata Infoframe Data.
650  *
651  * HDR Metadata Infoframe as per CTA 861.G spec. This is expected
652  * to match exactly with the spec.
653  *
654  * Userspace is expected to pass the metadata information as per
655  * the format described in this structure.
656  */
657 struct hdr_metadata_infoframe {
658 	/**
659 	 * @eotf: Electro-Optical Transfer Function (EOTF)
660 	 * used in the stream.
661 	 */
662 	__u8 eotf;
663 	/**
664 	 * @metadata_type: Static_Metadata_Descriptor_ID.
665 	 */
666 	__u8 metadata_type;
667 	/**
668 	 * @display_primaries: Color Primaries of the Data.
669 	 * These are coded as unsigned 16-bit values in units of
670 	 * 0.00002, where 0x0000 represents zero and 0xC350
671 	 * represents 1.0000.
672 	 * @display_primaries.x: X cordinate of color primary.
673 	 * @display_primaries.y: Y cordinate of color primary.
674 	 */
675 	struct {
676 		__u16 x, y;
677 		} display_primaries[3];
678 	/**
679 	 * @white_point: White Point of Colorspace Data.
680 	 * These are coded as unsigned 16-bit values in units of
681 	 * 0.00002, where 0x0000 represents zero and 0xC350
682 	 * represents 1.0000.
683 	 * @white_point.x: X cordinate of whitepoint of color primary.
684 	 * @white_point.y: Y cordinate of whitepoint of color primary.
685 	 */
686 	struct {
687 		__u16 x, y;
688 		} white_point;
689 	/**
690 	 * @max_display_mastering_luminance: Max Mastering Display Luminance.
691 	 * This value is coded as an unsigned 16-bit value in units of 1 cd/m2,
692 	 * where 0x0001 represents 1 cd/m2 and 0xFFFF represents 65535 cd/m2.
693 	 */
694 	__u16 max_display_mastering_luminance;
695 	/**
696 	 * @min_display_mastering_luminance: Min Mastering Display Luminance.
697 	 * This value is coded as an unsigned 16-bit value in units of
698 	 * 0.0001 cd/m2, where 0x0001 represents 0.0001 cd/m2 and 0xFFFF
699 	 * represents 6.5535 cd/m2.
700 	 */
701 	__u16 min_display_mastering_luminance;
702 	/**
703 	 * @max_cll: Max Content Light Level.
704 	 * This value is coded as an unsigned 16-bit value in units of 1 cd/m2,
705 	 * where 0x0001 represents 1 cd/m2 and 0xFFFF represents 65535 cd/m2.
706 	 */
707 	__u16 max_cll;
708 	/**
709 	 * @max_fall: Max Frame Average Light Level.
710 	 * This value is coded as an unsigned 16-bit value in units of 1 cd/m2,
711 	 * where 0x0001 represents 1 cd/m2 and 0xFFFF represents 65535 cd/m2.
712 	 */
713 	__u16 max_fall;
714 };
715 
716 /**
717  * struct hdr_output_metadata - HDR output metadata
718  *
719  * Metadata Information to be passed from userspace
720  */
721 struct hdr_output_metadata {
722 	/**
723 	 * @metadata_type: Static_Metadata_Descriptor_ID.
724 	 */
725 	__u32 metadata_type;
726 	/**
727 	 * @hdmi_metadata_type1: HDR Metadata Infoframe.
728 	 */
729 	union {
730 		struct hdr_metadata_infoframe hdmi_metadata_type1;
731 	};
732 };
733 
734 #define DRM_MODE_PAGE_FLIP_EVENT 0x01
735 #define DRM_MODE_PAGE_FLIP_ASYNC 0x02
736 #define DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE 0x4
737 #define DRM_MODE_PAGE_FLIP_TARGET_RELATIVE 0x8
738 #define DRM_MODE_PAGE_FLIP_TARGET (DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE | \
739 				   DRM_MODE_PAGE_FLIP_TARGET_RELATIVE)
740 #define DRM_MODE_PAGE_FLIP_FLAGS (DRM_MODE_PAGE_FLIP_EVENT | \
741 				  DRM_MODE_PAGE_FLIP_ASYNC | \
742 				  DRM_MODE_PAGE_FLIP_TARGET)
743 
744 /*
745  * Request a page flip on the specified crtc.
746  *
747  * This ioctl will ask KMS to schedule a page flip for the specified
748  * crtc.  Once any pending rendering targeting the specified fb (as of
749  * ioctl time) has completed, the crtc will be reprogrammed to display
750  * that fb after the next vertical refresh.  The ioctl returns
751  * immediately, but subsequent rendering to the current fb will block
752  * in the execbuffer ioctl until the page flip happens.  If a page
753  * flip is already pending as the ioctl is called, EBUSY will be
754  * returned.
755  *
756  * Flag DRM_MODE_PAGE_FLIP_EVENT requests that drm sends back a vblank
757  * event (see drm.h: struct drm_event_vblank) when the page flip is
758  * done.  The user_data field passed in with this ioctl will be
759  * returned as the user_data field in the vblank event struct.
760  *
761  * Flag DRM_MODE_PAGE_FLIP_ASYNC requests that the flip happen
762  * 'as soon as possible', meaning that it not delay waiting for vblank.
763  * This may cause tearing on the screen.
764  *
765  * The reserved field must be zero.
766  */
767 
768 struct drm_mode_crtc_page_flip {
769 	__u32 crtc_id;
770 	__u32 fb_id;
771 	__u32 flags;
772 	__u32 reserved;
773 	__u64 user_data;
774 };
775 
776 /*
777  * Request a page flip on the specified crtc.
778  *
779  * Same as struct drm_mode_crtc_page_flip, but supports new flags and
780  * re-purposes the reserved field:
781  *
782  * The sequence field must be zero unless either of the
783  * DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE/RELATIVE flags is specified. When
784  * the ABSOLUTE flag is specified, the sequence field denotes the absolute
785  * vblank sequence when the flip should take effect. When the RELATIVE
786  * flag is specified, the sequence field denotes the relative (to the
787  * current one when the ioctl is called) vblank sequence when the flip
788  * should take effect. NOTE: DRM_IOCTL_WAIT_VBLANK must still be used to
789  * make sure the vblank sequence before the target one has passed before
790  * calling this ioctl. The purpose of the
791  * DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE/RELATIVE flags is merely to clarify
792  * the target for when code dealing with a page flip runs during a
793  * vertical blank period.
794  */
795 
796 struct drm_mode_crtc_page_flip_target {
797 	__u32 crtc_id;
798 	__u32 fb_id;
799 	__u32 flags;
800 	__u32 sequence;
801 	__u64 user_data;
802 };
803 
804 /* create a dumb scanout buffer */
805 struct drm_mode_create_dumb {
806 	__u32 height;
807 	__u32 width;
808 	__u32 bpp;
809 	__u32 flags;
810 	/* handle, pitch, size will be returned */
811 	__u32 handle;
812 	__u32 pitch;
813 	__u64 size;
814 };
815 
816 /* set up for mmap of a dumb scanout buffer */
817 struct drm_mode_map_dumb {
818 	/** Handle for the object being mapped. */
819 	__u32 handle;
820 	__u32 pad;
821 	/**
822 	 * Fake offset to use for subsequent mmap call
823 	 *
824 	 * This is a fixed-size type for 32/64 compatibility.
825 	 */
826 	__u64 offset;
827 };
828 
829 struct drm_mode_destroy_dumb {
830 	__u32 handle;
831 };
832 
833 /* page-flip flags are valid, plus: */
834 #define DRM_MODE_ATOMIC_TEST_ONLY 0x0100
835 #define DRM_MODE_ATOMIC_NONBLOCK  0x0200
836 #define DRM_MODE_ATOMIC_ALLOW_MODESET 0x0400
837 
838 #define DRM_MODE_ATOMIC_FLAGS (\
839 		DRM_MODE_PAGE_FLIP_EVENT |\
840 		DRM_MODE_PAGE_FLIP_ASYNC |\
841 		DRM_MODE_ATOMIC_TEST_ONLY |\
842 		DRM_MODE_ATOMIC_NONBLOCK |\
843 		DRM_MODE_ATOMIC_ALLOW_MODESET)
844 
845 struct drm_mode_atomic {
846 	__u32 flags;
847 	__u32 count_objs;
848 	__u64 objs_ptr;
849 	__u64 count_props_ptr;
850 	__u64 props_ptr;
851 	__u64 prop_values_ptr;
852 	__u64 reserved;
853 	__u64 user_data;
854 };
855 
856 struct drm_format_modifier_blob {
857 #define FORMAT_BLOB_CURRENT 1
858 	/* Version of this blob format */
859 	__u32 version;
860 
861 	/* Flags */
862 	__u32 flags;
863 
864 	/* Number of fourcc formats supported */
865 	__u32 count_formats;
866 
867 	/* Where in this blob the formats exist (in bytes) */
868 	__u32 formats_offset;
869 
870 	/* Number of drm_format_modifiers */
871 	__u32 count_modifiers;
872 
873 	/* Where in this blob the modifiers exist (in bytes) */
874 	__u32 modifiers_offset;
875 
876 	/* __u32 formats[] */
877 	/* struct drm_format_modifier modifiers[] */
878 };
879 
880 struct drm_format_modifier {
881 	/* Bitmask of formats in get_plane format list this info applies to. The
882 	 * offset allows a sliding window of which 64 formats (bits).
883 	 *
884 	 * Some examples:
885 	 * In today's world with < 65 formats, and formats 0, and 2 are
886 	 * supported
887 	 * 0x0000000000000005
888 	 *		  ^-offset = 0, formats = 5
889 	 *
890 	 * If the number formats grew to 128, and formats 98-102 are
891 	 * supported with the modifier:
892 	 *
893 	 * 0x0000007c00000000 0000000000000000
894 	 *		  ^
895 	 *		  |__offset = 64, formats = 0x7c00000000
896 	 *
897 	 */
898 	__u64 formats;
899 	__u32 offset;
900 	__u32 pad;
901 
902 	/* The modifier that applies to the >get_plane format list bitmask. */
903 	__u64 modifier;
904 };
905 
906 /**
907  * struct drm_mode_create_blob - Create New block property
908  * @data: Pointer to data to copy.
909  * @length: Length of data to copy.
910  * @blob_id: new property ID.
911  * Create a new 'blob' data property, copying length bytes from data pointer,
912  * and returning new blob ID.
913  */
914 struct drm_mode_create_blob {
915 	/** Pointer to data to copy. */
916 	__u64 data;
917 	/** Length of data to copy. */
918 	__u32 length;
919 	/** Return: new property ID. */
920 	__u32 blob_id;
921 };
922 
923 /**
924  * struct drm_mode_destroy_blob - Destroy user blob
925  * @blob_id: blob_id to destroy
926  * Destroy a user-created blob property.
927  */
928 struct drm_mode_destroy_blob {
929 	__u32 blob_id;
930 };
931 
932 /**
933  * struct drm_mode_create_lease - Create lease
934  * @object_ids: Pointer to array of object ids.
935  * @object_count: Number of object ids.
936  * @flags: flags for new FD.
937  * @lessee_id: unique identifier for lessee.
938  * @fd: file descriptor to new drm_master file.
939  * Lease mode resources, creating another drm_master.
940  */
941 struct drm_mode_create_lease {
942 	/** Pointer to array of object ids (__u32) */
943 	__u64 object_ids;
944 	/** Number of object ids */
945 	__u32 object_count;
946 	/** flags for new FD (O_CLOEXEC, etc) */
947 	__u32 flags;
948 
949 	/** Return: unique identifier for lessee. */
950 	__u32 lessee_id;
951 	/** Return: file descriptor to new drm_master file */
952 	__u32 fd;
953 };
954 
955 /**
956  * struct drm_mode_list_lessees - List lessees
957  * @count_lessees: Number of lessees.
958  * @pad: pad.
959  * @lessees_ptr: Pointer to lessess.
960  * List lesses from a drm_master
961  */
962 struct drm_mode_list_lessees {
963 	/** Number of lessees.
964 	 * On input, provides length of the array.
965 	 * On output, provides total number. No
966 	 * more than the input number will be written
967 	 * back, so two calls can be used to get
968 	 * the size and then the data.
969 	 */
970 	__u32 count_lessees;
971 	__u32 pad;
972 
973 	/** Pointer to lessees.
974 	 * pointer to __u64 array of lessee ids
975 	 */
976 	__u64 lessees_ptr;
977 };
978 
979 /**
980  * struct drm_mode_get_lease - Get Lease
981  * @count_objects: Number of leased objects.
982  * @pad: pad.
983  * @objects_ptr: Pointer to objects.
984  * Get leased objects
985  */
986 struct drm_mode_get_lease {
987 	/** Number of leased objects.
988 	 * On input, provides length of the array.
989 	 * On output, provides total number. No
990 	 * more than the input number will be written
991 	 * back, so two calls can be used to get
992 	 * the size and then the data.
993 	 */
994 	__u32 count_objects;
995 	__u32 pad;
996 
997 	/** Pointer to objects.
998 	 * pointer to __u32 array of object ids
999 	 */
1000 	__u64 objects_ptr;
1001 };
1002 
1003 /**
1004  * struct drm_mode_revoke_lease - Revoke lease
1005  * @lessee_id: Unique ID of lessee.
1006  * Revoke lease
1007  */
1008 struct drm_mode_revoke_lease {
1009 	/** Unique ID of lessee
1010 	 */
1011 	__u32 lessee_id;
1012 };
1013 
1014 /**
1015  * struct drm_mode_rect - Two dimensional rectangle.
1016  * @x1: Horizontal starting coordinate (inclusive).
1017  * @y1: Vertical starting coordinate (inclusive).
1018  * @x2: Horizontal ending coordinate (exclusive).
1019  * @y2: Vertical ending coordinate (exclusive).
1020  *
1021  * With drm subsystem using struct drm_rect to manage rectangular area this
1022  * export it to user-space.
1023  *
1024  * Currently used by drm_mode_atomic blob property FB_DAMAGE_CLIPS.
1025  */
1026 struct drm_mode_rect {
1027 	__s32 x1;
1028 	__s32 y1;
1029 	__s32 x2;
1030 	__s32 y2;
1031 };
1032 
1033 #if defined(__cplusplus)
1034 }
1035 #endif
1036 
1037 #endif
1038