xref: /linux/include/uapi/drm/drm_mode.h (revision 37744feebc086908fd89760650f458ab19071750)
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,
336 	DRM_MODE_SUBCONNECTOR_Unknown = 0,
337 	DRM_MODE_SUBCONNECTOR_DVID = 3,
338 	DRM_MODE_SUBCONNECTOR_DVIA = 4,
339 	DRM_MODE_SUBCONNECTOR_Composite = 5,
340 	DRM_MODE_SUBCONNECTOR_SVIDEO = 6,
341 	DRM_MODE_SUBCONNECTOR_Component = 8,
342 	DRM_MODE_SUBCONNECTOR_SCART = 9,
343 };
344 
345 #define DRM_MODE_CONNECTOR_Unknown	0
346 #define DRM_MODE_CONNECTOR_VGA		1
347 #define DRM_MODE_CONNECTOR_DVII		2
348 #define DRM_MODE_CONNECTOR_DVID		3
349 #define DRM_MODE_CONNECTOR_DVIA		4
350 #define DRM_MODE_CONNECTOR_Composite	5
351 #define DRM_MODE_CONNECTOR_SVIDEO	6
352 #define DRM_MODE_CONNECTOR_LVDS		7
353 #define DRM_MODE_CONNECTOR_Component	8
354 #define DRM_MODE_CONNECTOR_9PinDIN	9
355 #define DRM_MODE_CONNECTOR_DisplayPort	10
356 #define DRM_MODE_CONNECTOR_HDMIA	11
357 #define DRM_MODE_CONNECTOR_HDMIB	12
358 #define DRM_MODE_CONNECTOR_TV		13
359 #define DRM_MODE_CONNECTOR_eDP		14
360 #define DRM_MODE_CONNECTOR_VIRTUAL      15
361 #define DRM_MODE_CONNECTOR_DSI		16
362 #define DRM_MODE_CONNECTOR_DPI		17
363 #define DRM_MODE_CONNECTOR_WRITEBACK	18
364 #define DRM_MODE_CONNECTOR_SPI		19
365 
366 struct drm_mode_get_connector {
367 
368 	__u64 encoders_ptr;
369 	__u64 modes_ptr;
370 	__u64 props_ptr;
371 	__u64 prop_values_ptr;
372 
373 	__u32 count_modes;
374 	__u32 count_props;
375 	__u32 count_encoders;
376 
377 	__u32 encoder_id; /**< Current Encoder */
378 	__u32 connector_id; /**< Id */
379 	__u32 connector_type;
380 	__u32 connector_type_id;
381 
382 	__u32 connection;
383 	__u32 mm_width;  /**< width in millimeters */
384 	__u32 mm_height; /**< height in millimeters */
385 	__u32 subpixel;
386 
387 	__u32 pad;
388 };
389 
390 #define DRM_MODE_PROP_PENDING	(1<<0) /* deprecated, do not use */
391 #define DRM_MODE_PROP_RANGE	(1<<1)
392 #define DRM_MODE_PROP_IMMUTABLE	(1<<2)
393 #define DRM_MODE_PROP_ENUM	(1<<3) /* enumerated type with text strings */
394 #define DRM_MODE_PROP_BLOB	(1<<4)
395 #define DRM_MODE_PROP_BITMASK	(1<<5) /* bitmask of enumerated types */
396 
397 /* non-extended types: legacy bitmask, one bit per type: */
398 #define DRM_MODE_PROP_LEGACY_TYPE  ( \
399 		DRM_MODE_PROP_RANGE | \
400 		DRM_MODE_PROP_ENUM | \
401 		DRM_MODE_PROP_BLOB | \
402 		DRM_MODE_PROP_BITMASK)
403 
404 /* extended-types: rather than continue to consume a bit per type,
405  * grab a chunk of the bits to use as integer type id.
406  */
407 #define DRM_MODE_PROP_EXTENDED_TYPE	0x0000ffc0
408 #define DRM_MODE_PROP_TYPE(n)		((n) << 6)
409 #define DRM_MODE_PROP_OBJECT		DRM_MODE_PROP_TYPE(1)
410 #define DRM_MODE_PROP_SIGNED_RANGE	DRM_MODE_PROP_TYPE(2)
411 
412 /* the PROP_ATOMIC flag is used to hide properties from userspace that
413  * is not aware of atomic properties.  This is mostly to work around
414  * older userspace (DDX drivers) that read/write each prop they find,
415  * witout being aware that this could be triggering a lengthy modeset.
416  */
417 #define DRM_MODE_PROP_ATOMIC        0x80000000
418 
419 struct drm_mode_property_enum {
420 	__u64 value;
421 	char name[DRM_PROP_NAME_LEN];
422 };
423 
424 struct drm_mode_get_property {
425 	__u64 values_ptr; /* values and blob lengths */
426 	__u64 enum_blob_ptr; /* enum and blob id ptrs */
427 
428 	__u32 prop_id;
429 	__u32 flags;
430 	char name[DRM_PROP_NAME_LEN];
431 
432 	__u32 count_values;
433 	/* This is only used to count enum values, not blobs. The _blobs is
434 	 * simply because of a historical reason, i.e. backwards compat. */
435 	__u32 count_enum_blobs;
436 };
437 
438 struct drm_mode_connector_set_property {
439 	__u64 value;
440 	__u32 prop_id;
441 	__u32 connector_id;
442 };
443 
444 #define DRM_MODE_OBJECT_CRTC 0xcccccccc
445 #define DRM_MODE_OBJECT_CONNECTOR 0xc0c0c0c0
446 #define DRM_MODE_OBJECT_ENCODER 0xe0e0e0e0
447 #define DRM_MODE_OBJECT_MODE 0xdededede
448 #define DRM_MODE_OBJECT_PROPERTY 0xb0b0b0b0
449 #define DRM_MODE_OBJECT_FB 0xfbfbfbfb
450 #define DRM_MODE_OBJECT_BLOB 0xbbbbbbbb
451 #define DRM_MODE_OBJECT_PLANE 0xeeeeeeee
452 #define DRM_MODE_OBJECT_ANY 0
453 
454 struct drm_mode_obj_get_properties {
455 	__u64 props_ptr;
456 	__u64 prop_values_ptr;
457 	__u32 count_props;
458 	__u32 obj_id;
459 	__u32 obj_type;
460 };
461 
462 struct drm_mode_obj_set_property {
463 	__u64 value;
464 	__u32 prop_id;
465 	__u32 obj_id;
466 	__u32 obj_type;
467 };
468 
469 struct drm_mode_get_blob {
470 	__u32 blob_id;
471 	__u32 length;
472 	__u64 data;
473 };
474 
475 struct drm_mode_fb_cmd {
476 	__u32 fb_id;
477 	__u32 width;
478 	__u32 height;
479 	__u32 pitch;
480 	__u32 bpp;
481 	__u32 depth;
482 	/* driver specific handle */
483 	__u32 handle;
484 };
485 
486 #define DRM_MODE_FB_INTERLACED	(1<<0) /* for interlaced framebuffers */
487 #define DRM_MODE_FB_MODIFIERS	(1<<1) /* enables ->modifer[] */
488 
489 struct drm_mode_fb_cmd2 {
490 	__u32 fb_id;
491 	__u32 width;
492 	__u32 height;
493 	__u32 pixel_format; /* fourcc code from drm_fourcc.h */
494 	__u32 flags; /* see above flags */
495 
496 	/*
497 	 * In case of planar formats, this ioctl allows up to 4
498 	 * buffer objects with offsets and pitches per plane.
499 	 * The pitch and offset order is dictated by the fourcc,
500 	 * e.g. NV12 (http://fourcc.org/yuv.php#NV12) is described as:
501 	 *
502 	 *   YUV 4:2:0 image with a plane of 8 bit Y samples
503 	 *   followed by an interleaved U/V plane containing
504 	 *   8 bit 2x2 subsampled colour difference samples.
505 	 *
506 	 * So it would consist of Y as offsets[0] and UV as
507 	 * offsets[1].  Note that offsets[0] will generally
508 	 * be 0 (but this is not required).
509 	 *
510 	 * To accommodate tiled, compressed, etc formats, a
511 	 * modifier can be specified.  The default value of zero
512 	 * indicates "native" format as specified by the fourcc.
513 	 * Vendor specific modifier token.  Note that even though
514 	 * it looks like we have a modifier per-plane, we in fact
515 	 * do not. The modifier for each plane must be identical.
516 	 * Thus all combinations of different data layouts for
517 	 * multi plane formats must be enumerated as separate
518 	 * modifiers.
519 	 */
520 	__u32 handles[4];
521 	__u32 pitches[4]; /* pitch for each plane */
522 	__u32 offsets[4]; /* offset of each plane */
523 	__u64 modifier[4]; /* ie, tiling, compress */
524 };
525 
526 #define DRM_MODE_FB_DIRTY_ANNOTATE_COPY 0x01
527 #define DRM_MODE_FB_DIRTY_ANNOTATE_FILL 0x02
528 #define DRM_MODE_FB_DIRTY_FLAGS         0x03
529 
530 #define DRM_MODE_FB_DIRTY_MAX_CLIPS     256
531 
532 /*
533  * Mark a region of a framebuffer as dirty.
534  *
535  * Some hardware does not automatically update display contents
536  * as a hardware or software draw to a framebuffer. This ioctl
537  * allows userspace to tell the kernel and the hardware what
538  * regions of the framebuffer have changed.
539  *
540  * The kernel or hardware is free to update more then just the
541  * region specified by the clip rects. The kernel or hardware
542  * may also delay and/or coalesce several calls to dirty into a
543  * single update.
544  *
545  * Userspace may annotate the updates, the annotates are a
546  * promise made by the caller that the change is either a copy
547  * of pixels or a fill of a single color in the region specified.
548  *
549  * If the DRM_MODE_FB_DIRTY_ANNOTATE_COPY flag is given then
550  * the number of updated regions are half of num_clips given,
551  * where the clip rects are paired in src and dst. The width and
552  * height of each one of the pairs must match.
553  *
554  * If the DRM_MODE_FB_DIRTY_ANNOTATE_FILL flag is given the caller
555  * promises that the region specified of the clip rects is filled
556  * completely with a single color as given in the color argument.
557  */
558 
559 struct drm_mode_fb_dirty_cmd {
560 	__u32 fb_id;
561 	__u32 flags;
562 	__u32 color;
563 	__u32 num_clips;
564 	__u64 clips_ptr;
565 };
566 
567 struct drm_mode_mode_cmd {
568 	__u32 connector_id;
569 	struct drm_mode_modeinfo mode;
570 };
571 
572 #define DRM_MODE_CURSOR_BO	0x01
573 #define DRM_MODE_CURSOR_MOVE	0x02
574 #define DRM_MODE_CURSOR_FLAGS	0x03
575 
576 /*
577  * depending on the value in flags different members are used.
578  *
579  * CURSOR_BO uses
580  *    crtc_id
581  *    width
582  *    height
583  *    handle - if 0 turns the cursor off
584  *
585  * CURSOR_MOVE uses
586  *    crtc_id
587  *    x
588  *    y
589  */
590 struct drm_mode_cursor {
591 	__u32 flags;
592 	__u32 crtc_id;
593 	__s32 x;
594 	__s32 y;
595 	__u32 width;
596 	__u32 height;
597 	/* driver specific handle */
598 	__u32 handle;
599 };
600 
601 struct drm_mode_cursor2 {
602 	__u32 flags;
603 	__u32 crtc_id;
604 	__s32 x;
605 	__s32 y;
606 	__u32 width;
607 	__u32 height;
608 	/* driver specific handle */
609 	__u32 handle;
610 	__s32 hot_x;
611 	__s32 hot_y;
612 };
613 
614 struct drm_mode_crtc_lut {
615 	__u32 crtc_id;
616 	__u32 gamma_size;
617 
618 	/* pointers to arrays */
619 	__u64 red;
620 	__u64 green;
621 	__u64 blue;
622 };
623 
624 struct drm_color_ctm {
625 	/*
626 	 * Conversion matrix in S31.32 sign-magnitude
627 	 * (not two's complement!) format.
628 	 */
629 	__u64 matrix[9];
630 };
631 
632 struct drm_color_lut {
633 	/*
634 	 * Values are mapped linearly to 0.0 - 1.0 range, with 0x0 == 0.0 and
635 	 * 0xffff == 1.0.
636 	 */
637 	__u16 red;
638 	__u16 green;
639 	__u16 blue;
640 	__u16 reserved;
641 };
642 
643 /**
644  * struct hdr_metadata_infoframe - HDR Metadata Infoframe Data.
645  *
646  * HDR Metadata Infoframe as per CTA 861.G spec. This is expected
647  * to match exactly with the spec.
648  *
649  * Userspace is expected to pass the metadata information as per
650  * the format described in this structure.
651  */
652 struct hdr_metadata_infoframe {
653 	/**
654 	 * @eotf: Electro-Optical Transfer Function (EOTF)
655 	 * used in the stream.
656 	 */
657 	__u8 eotf;
658 	/**
659 	 * @metadata_type: Static_Metadata_Descriptor_ID.
660 	 */
661 	__u8 metadata_type;
662 	/**
663 	 * @display_primaries: Color Primaries of the Data.
664 	 * These are coded as unsigned 16-bit values in units of
665 	 * 0.00002, where 0x0000 represents zero and 0xC350
666 	 * represents 1.0000.
667 	 * @display_primaries.x: X cordinate of color primary.
668 	 * @display_primaries.y: Y cordinate of color primary.
669 	 */
670 	struct {
671 		__u16 x, y;
672 		} display_primaries[3];
673 	/**
674 	 * @white_point: White Point of Colorspace Data.
675 	 * These are coded as unsigned 16-bit values in units of
676 	 * 0.00002, where 0x0000 represents zero and 0xC350
677 	 * represents 1.0000.
678 	 * @white_point.x: X cordinate of whitepoint of color primary.
679 	 * @white_point.y: Y cordinate of whitepoint of color primary.
680 	 */
681 	struct {
682 		__u16 x, y;
683 		} white_point;
684 	/**
685 	 * @max_display_mastering_luminance: Max Mastering Display Luminance.
686 	 * This value is coded as an unsigned 16-bit value in units of 1 cd/m2,
687 	 * where 0x0001 represents 1 cd/m2 and 0xFFFF represents 65535 cd/m2.
688 	 */
689 	__u16 max_display_mastering_luminance;
690 	/**
691 	 * @min_display_mastering_luminance: Min Mastering Display Luminance.
692 	 * This value is coded as an unsigned 16-bit value in units of
693 	 * 0.0001 cd/m2, where 0x0001 represents 0.0001 cd/m2 and 0xFFFF
694 	 * represents 6.5535 cd/m2.
695 	 */
696 	__u16 min_display_mastering_luminance;
697 	/**
698 	 * @max_cll: Max Content Light Level.
699 	 * This value is coded as an unsigned 16-bit value in units of 1 cd/m2,
700 	 * where 0x0001 represents 1 cd/m2 and 0xFFFF represents 65535 cd/m2.
701 	 */
702 	__u16 max_cll;
703 	/**
704 	 * @max_fall: Max Frame Average Light Level.
705 	 * This value is coded as an unsigned 16-bit value in units of 1 cd/m2,
706 	 * where 0x0001 represents 1 cd/m2 and 0xFFFF represents 65535 cd/m2.
707 	 */
708 	__u16 max_fall;
709 };
710 
711 /**
712  * struct hdr_output_metadata - HDR output metadata
713  *
714  * Metadata Information to be passed from userspace
715  */
716 struct hdr_output_metadata {
717 	/**
718 	 * @metadata_type: Static_Metadata_Descriptor_ID.
719 	 */
720 	__u32 metadata_type;
721 	/**
722 	 * @hdmi_metadata_type1: HDR Metadata Infoframe.
723 	 */
724 	union {
725 		struct hdr_metadata_infoframe hdmi_metadata_type1;
726 	};
727 };
728 
729 #define DRM_MODE_PAGE_FLIP_EVENT 0x01
730 #define DRM_MODE_PAGE_FLIP_ASYNC 0x02
731 #define DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE 0x4
732 #define DRM_MODE_PAGE_FLIP_TARGET_RELATIVE 0x8
733 #define DRM_MODE_PAGE_FLIP_TARGET (DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE | \
734 				   DRM_MODE_PAGE_FLIP_TARGET_RELATIVE)
735 #define DRM_MODE_PAGE_FLIP_FLAGS (DRM_MODE_PAGE_FLIP_EVENT | \
736 				  DRM_MODE_PAGE_FLIP_ASYNC | \
737 				  DRM_MODE_PAGE_FLIP_TARGET)
738 
739 /*
740  * Request a page flip on the specified crtc.
741  *
742  * This ioctl will ask KMS to schedule a page flip for the specified
743  * crtc.  Once any pending rendering targeting the specified fb (as of
744  * ioctl time) has completed, the crtc will be reprogrammed to display
745  * that fb after the next vertical refresh.  The ioctl returns
746  * immediately, but subsequent rendering to the current fb will block
747  * in the execbuffer ioctl until the page flip happens.  If a page
748  * flip is already pending as the ioctl is called, EBUSY will be
749  * returned.
750  *
751  * Flag DRM_MODE_PAGE_FLIP_EVENT requests that drm sends back a vblank
752  * event (see drm.h: struct drm_event_vblank) when the page flip is
753  * done.  The user_data field passed in with this ioctl will be
754  * returned as the user_data field in the vblank event struct.
755  *
756  * Flag DRM_MODE_PAGE_FLIP_ASYNC requests that the flip happen
757  * 'as soon as possible', meaning that it not delay waiting for vblank.
758  * This may cause tearing on the screen.
759  *
760  * The reserved field must be zero.
761  */
762 
763 struct drm_mode_crtc_page_flip {
764 	__u32 crtc_id;
765 	__u32 fb_id;
766 	__u32 flags;
767 	__u32 reserved;
768 	__u64 user_data;
769 };
770 
771 /*
772  * Request a page flip on the specified crtc.
773  *
774  * Same as struct drm_mode_crtc_page_flip, but supports new flags and
775  * re-purposes the reserved field:
776  *
777  * The sequence field must be zero unless either of the
778  * DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE/RELATIVE flags is specified. When
779  * the ABSOLUTE flag is specified, the sequence field denotes the absolute
780  * vblank sequence when the flip should take effect. When the RELATIVE
781  * flag is specified, the sequence field denotes the relative (to the
782  * current one when the ioctl is called) vblank sequence when the flip
783  * should take effect. NOTE: DRM_IOCTL_WAIT_VBLANK must still be used to
784  * make sure the vblank sequence before the target one has passed before
785  * calling this ioctl. The purpose of the
786  * DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE/RELATIVE flags is merely to clarify
787  * the target for when code dealing with a page flip runs during a
788  * vertical blank period.
789  */
790 
791 struct drm_mode_crtc_page_flip_target {
792 	__u32 crtc_id;
793 	__u32 fb_id;
794 	__u32 flags;
795 	__u32 sequence;
796 	__u64 user_data;
797 };
798 
799 /* create a dumb scanout buffer */
800 struct drm_mode_create_dumb {
801 	__u32 height;
802 	__u32 width;
803 	__u32 bpp;
804 	__u32 flags;
805 	/* handle, pitch, size will be returned */
806 	__u32 handle;
807 	__u32 pitch;
808 	__u64 size;
809 };
810 
811 /* set up for mmap of a dumb scanout buffer */
812 struct drm_mode_map_dumb {
813 	/** Handle for the object being mapped. */
814 	__u32 handle;
815 	__u32 pad;
816 	/**
817 	 * Fake offset to use for subsequent mmap call
818 	 *
819 	 * This is a fixed-size type for 32/64 compatibility.
820 	 */
821 	__u64 offset;
822 };
823 
824 struct drm_mode_destroy_dumb {
825 	__u32 handle;
826 };
827 
828 /* page-flip flags are valid, plus: */
829 #define DRM_MODE_ATOMIC_TEST_ONLY 0x0100
830 #define DRM_MODE_ATOMIC_NONBLOCK  0x0200
831 #define DRM_MODE_ATOMIC_ALLOW_MODESET 0x0400
832 
833 #define DRM_MODE_ATOMIC_FLAGS (\
834 		DRM_MODE_PAGE_FLIP_EVENT |\
835 		DRM_MODE_PAGE_FLIP_ASYNC |\
836 		DRM_MODE_ATOMIC_TEST_ONLY |\
837 		DRM_MODE_ATOMIC_NONBLOCK |\
838 		DRM_MODE_ATOMIC_ALLOW_MODESET)
839 
840 struct drm_mode_atomic {
841 	__u32 flags;
842 	__u32 count_objs;
843 	__u64 objs_ptr;
844 	__u64 count_props_ptr;
845 	__u64 props_ptr;
846 	__u64 prop_values_ptr;
847 	__u64 reserved;
848 	__u64 user_data;
849 };
850 
851 struct drm_format_modifier_blob {
852 #define FORMAT_BLOB_CURRENT 1
853 	/* Version of this blob format */
854 	__u32 version;
855 
856 	/* Flags */
857 	__u32 flags;
858 
859 	/* Number of fourcc formats supported */
860 	__u32 count_formats;
861 
862 	/* Where in this blob the formats exist (in bytes) */
863 	__u32 formats_offset;
864 
865 	/* Number of drm_format_modifiers */
866 	__u32 count_modifiers;
867 
868 	/* Where in this blob the modifiers exist (in bytes) */
869 	__u32 modifiers_offset;
870 
871 	/* __u32 formats[] */
872 	/* struct drm_format_modifier modifiers[] */
873 };
874 
875 struct drm_format_modifier {
876 	/* Bitmask of formats in get_plane format list this info applies to. The
877 	 * offset allows a sliding window of which 64 formats (bits).
878 	 *
879 	 * Some examples:
880 	 * In today's world with < 65 formats, and formats 0, and 2 are
881 	 * supported
882 	 * 0x0000000000000005
883 	 *		  ^-offset = 0, formats = 5
884 	 *
885 	 * If the number formats grew to 128, and formats 98-102 are
886 	 * supported with the modifier:
887 	 *
888 	 * 0x0000007c00000000 0000000000000000
889 	 *		  ^
890 	 *		  |__offset = 64, formats = 0x7c00000000
891 	 *
892 	 */
893 	__u64 formats;
894 	__u32 offset;
895 	__u32 pad;
896 
897 	/* The modifier that applies to the >get_plane format list bitmask. */
898 	__u64 modifier;
899 };
900 
901 /**
902  * struct drm_mode_create_blob - Create New block property
903  * @data: Pointer to data to copy.
904  * @length: Length of data to copy.
905  * @blob_id: new property ID.
906  * Create a new 'blob' data property, copying length bytes from data pointer,
907  * and returning new blob ID.
908  */
909 struct drm_mode_create_blob {
910 	/** Pointer to data to copy. */
911 	__u64 data;
912 	/** Length of data to copy. */
913 	__u32 length;
914 	/** Return: new property ID. */
915 	__u32 blob_id;
916 };
917 
918 /**
919  * struct drm_mode_destroy_blob - Destroy user blob
920  * @blob_id: blob_id to destroy
921  * Destroy a user-created blob property.
922  */
923 struct drm_mode_destroy_blob {
924 	__u32 blob_id;
925 };
926 
927 /**
928  * struct drm_mode_create_lease - Create lease
929  * @object_ids: Pointer to array of object ids.
930  * @object_count: Number of object ids.
931  * @flags: flags for new FD.
932  * @lessee_id: unique identifier for lessee.
933  * @fd: file descriptor to new drm_master file.
934  * Lease mode resources, creating another drm_master.
935  */
936 struct drm_mode_create_lease {
937 	/** Pointer to array of object ids (__u32) */
938 	__u64 object_ids;
939 	/** Number of object ids */
940 	__u32 object_count;
941 	/** flags for new FD (O_CLOEXEC, etc) */
942 	__u32 flags;
943 
944 	/** Return: unique identifier for lessee. */
945 	__u32 lessee_id;
946 	/** Return: file descriptor to new drm_master file */
947 	__u32 fd;
948 };
949 
950 /**
951  * struct drm_mode_list_lessees - List lessees
952  * @count_lessees: Number of lessees.
953  * @pad: pad.
954  * @lessees_ptr: Pointer to lessess.
955  * List lesses from a drm_master
956  */
957 struct drm_mode_list_lessees {
958 	/** Number of lessees.
959 	 * On input, provides length of the array.
960 	 * On output, provides total number. No
961 	 * more than the input number will be written
962 	 * back, so two calls can be used to get
963 	 * the size and then the data.
964 	 */
965 	__u32 count_lessees;
966 	__u32 pad;
967 
968 	/** Pointer to lessees.
969 	 * pointer to __u64 array of lessee ids
970 	 */
971 	__u64 lessees_ptr;
972 };
973 
974 /**
975  * struct drm_mode_get_lease - Get Lease
976  * @count_objects: Number of leased objects.
977  * @pad: pad.
978  * @objects_ptr: Pointer to objects.
979  * Get leased objects
980  */
981 struct drm_mode_get_lease {
982 	/** Number of leased objects.
983 	 * On input, provides length of the array.
984 	 * On output, provides total number. No
985 	 * more than the input number will be written
986 	 * back, so two calls can be used to get
987 	 * the size and then the data.
988 	 */
989 	__u32 count_objects;
990 	__u32 pad;
991 
992 	/** Pointer to objects.
993 	 * pointer to __u32 array of object ids
994 	 */
995 	__u64 objects_ptr;
996 };
997 
998 /**
999  * struct drm_mode_revoke_lease - Revoke lease
1000  * @lessee_id: Unique ID of lessee.
1001  * Revoke lease
1002  */
1003 struct drm_mode_revoke_lease {
1004 	/** Unique ID of lessee
1005 	 */
1006 	__u32 lessee_id;
1007 };
1008 
1009 /**
1010  * struct drm_mode_rect - Two dimensional rectangle.
1011  * @x1: Horizontal starting coordinate (inclusive).
1012  * @y1: Vertical starting coordinate (inclusive).
1013  * @x2: Horizontal ending coordinate (exclusive).
1014  * @y2: Vertical ending coordinate (exclusive).
1015  *
1016  * With drm subsystem using struct drm_rect to manage rectangular area this
1017  * export it to user-space.
1018  *
1019  * Currently used by drm_mode_atomic blob property FB_DAMAGE_CLIPS.
1020  */
1021 struct drm_mode_rect {
1022 	__s32 x1;
1023 	__s32 y1;
1024 	__s32 x2;
1025 	__s32 y2;
1026 };
1027 
1028 #if defined(__cplusplus)
1029 }
1030 #endif
1031 
1032 #endif
1033