xref: /openbmc/linux/include/uapi/drm/drm_mode.h (revision b7019ac5)
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 
365 struct drm_mode_get_connector {
366 
367 	__u64 encoders_ptr;
368 	__u64 modes_ptr;
369 	__u64 props_ptr;
370 	__u64 prop_values_ptr;
371 
372 	__u32 count_modes;
373 	__u32 count_props;
374 	__u32 count_encoders;
375 
376 	__u32 encoder_id; /**< Current Encoder */
377 	__u32 connector_id; /**< Id */
378 	__u32 connector_type;
379 	__u32 connector_type_id;
380 
381 	__u32 connection;
382 	__u32 mm_width;  /**< width in millimeters */
383 	__u32 mm_height; /**< height in millimeters */
384 	__u32 subpixel;
385 
386 	__u32 pad;
387 };
388 
389 #define DRM_MODE_PROP_PENDING	(1<<0) /* deprecated, do not use */
390 #define DRM_MODE_PROP_RANGE	(1<<1)
391 #define DRM_MODE_PROP_IMMUTABLE	(1<<2)
392 #define DRM_MODE_PROP_ENUM	(1<<3) /* enumerated type with text strings */
393 #define DRM_MODE_PROP_BLOB	(1<<4)
394 #define DRM_MODE_PROP_BITMASK	(1<<5) /* bitmask of enumerated types */
395 
396 /* non-extended types: legacy bitmask, one bit per type: */
397 #define DRM_MODE_PROP_LEGACY_TYPE  ( \
398 		DRM_MODE_PROP_RANGE | \
399 		DRM_MODE_PROP_ENUM | \
400 		DRM_MODE_PROP_BLOB | \
401 		DRM_MODE_PROP_BITMASK)
402 
403 /* extended-types: rather than continue to consume a bit per type,
404  * grab a chunk of the bits to use as integer type id.
405  */
406 #define DRM_MODE_PROP_EXTENDED_TYPE	0x0000ffc0
407 #define DRM_MODE_PROP_TYPE(n)		((n) << 6)
408 #define DRM_MODE_PROP_OBJECT		DRM_MODE_PROP_TYPE(1)
409 #define DRM_MODE_PROP_SIGNED_RANGE	DRM_MODE_PROP_TYPE(2)
410 
411 /* the PROP_ATOMIC flag is used to hide properties from userspace that
412  * is not aware of atomic properties.  This is mostly to work around
413  * older userspace (DDX drivers) that read/write each prop they find,
414  * witout being aware that this could be triggering a lengthy modeset.
415  */
416 #define DRM_MODE_PROP_ATOMIC        0x80000000
417 
418 struct drm_mode_property_enum {
419 	__u64 value;
420 	char name[DRM_PROP_NAME_LEN];
421 };
422 
423 struct drm_mode_get_property {
424 	__u64 values_ptr; /* values and blob lengths */
425 	__u64 enum_blob_ptr; /* enum and blob id ptrs */
426 
427 	__u32 prop_id;
428 	__u32 flags;
429 	char name[DRM_PROP_NAME_LEN];
430 
431 	__u32 count_values;
432 	/* This is only used to count enum values, not blobs. The _blobs is
433 	 * simply because of a historical reason, i.e. backwards compat. */
434 	__u32 count_enum_blobs;
435 };
436 
437 struct drm_mode_connector_set_property {
438 	__u64 value;
439 	__u32 prop_id;
440 	__u32 connector_id;
441 };
442 
443 #define DRM_MODE_OBJECT_CRTC 0xcccccccc
444 #define DRM_MODE_OBJECT_CONNECTOR 0xc0c0c0c0
445 #define DRM_MODE_OBJECT_ENCODER 0xe0e0e0e0
446 #define DRM_MODE_OBJECT_MODE 0xdededede
447 #define DRM_MODE_OBJECT_PROPERTY 0xb0b0b0b0
448 #define DRM_MODE_OBJECT_FB 0xfbfbfbfb
449 #define DRM_MODE_OBJECT_BLOB 0xbbbbbbbb
450 #define DRM_MODE_OBJECT_PLANE 0xeeeeeeee
451 #define DRM_MODE_OBJECT_ANY 0
452 
453 struct drm_mode_obj_get_properties {
454 	__u64 props_ptr;
455 	__u64 prop_values_ptr;
456 	__u32 count_props;
457 	__u32 obj_id;
458 	__u32 obj_type;
459 };
460 
461 struct drm_mode_obj_set_property {
462 	__u64 value;
463 	__u32 prop_id;
464 	__u32 obj_id;
465 	__u32 obj_type;
466 };
467 
468 struct drm_mode_get_blob {
469 	__u32 blob_id;
470 	__u32 length;
471 	__u64 data;
472 };
473 
474 struct drm_mode_fb_cmd {
475 	__u32 fb_id;
476 	__u32 width;
477 	__u32 height;
478 	__u32 pitch;
479 	__u32 bpp;
480 	__u32 depth;
481 	/* driver specific handle */
482 	__u32 handle;
483 };
484 
485 #define DRM_MODE_FB_INTERLACED	(1<<0) /* for interlaced framebuffers */
486 #define DRM_MODE_FB_MODIFIERS	(1<<1) /* enables ->modifer[] */
487 
488 struct drm_mode_fb_cmd2 {
489 	__u32 fb_id;
490 	__u32 width;
491 	__u32 height;
492 	__u32 pixel_format; /* fourcc code from drm_fourcc.h */
493 	__u32 flags; /* see above flags */
494 
495 	/*
496 	 * In case of planar formats, this ioctl allows up to 4
497 	 * buffer objects with offsets and pitches per plane.
498 	 * The pitch and offset order is dictated by the fourcc,
499 	 * e.g. NV12 (http://fourcc.org/yuv.php#NV12) is described as:
500 	 *
501 	 *   YUV 4:2:0 image with a plane of 8 bit Y samples
502 	 *   followed by an interleaved U/V plane containing
503 	 *   8 bit 2x2 subsampled colour difference samples.
504 	 *
505 	 * So it would consist of Y as offsets[0] and UV as
506 	 * offsets[1].  Note that offsets[0] will generally
507 	 * be 0 (but this is not required).
508 	 *
509 	 * To accommodate tiled, compressed, etc formats, a
510 	 * modifier can be specified.  The default value of zero
511 	 * indicates "native" format as specified by the fourcc.
512 	 * Vendor specific modifier token.  Note that even though
513 	 * it looks like we have a modifier per-plane, we in fact
514 	 * do not. The modifier for each plane must be identical.
515 	 * Thus all combinations of different data layouts for
516 	 * multi plane formats must be enumerated as separate
517 	 * modifiers.
518 	 */
519 	__u32 handles[4];
520 	__u32 pitches[4]; /* pitch for each plane */
521 	__u32 offsets[4]; /* offset of each plane */
522 	__u64 modifier[4]; /* ie, tiling, compress */
523 };
524 
525 #define DRM_MODE_FB_DIRTY_ANNOTATE_COPY 0x01
526 #define DRM_MODE_FB_DIRTY_ANNOTATE_FILL 0x02
527 #define DRM_MODE_FB_DIRTY_FLAGS         0x03
528 
529 #define DRM_MODE_FB_DIRTY_MAX_CLIPS     256
530 
531 /*
532  * Mark a region of a framebuffer as dirty.
533  *
534  * Some hardware does not automatically update display contents
535  * as a hardware or software draw to a framebuffer. This ioctl
536  * allows userspace to tell the kernel and the hardware what
537  * regions of the framebuffer have changed.
538  *
539  * The kernel or hardware is free to update more then just the
540  * region specified by the clip rects. The kernel or hardware
541  * may also delay and/or coalesce several calls to dirty into a
542  * single update.
543  *
544  * Userspace may annotate the updates, the annotates are a
545  * promise made by the caller that the change is either a copy
546  * of pixels or a fill of a single color in the region specified.
547  *
548  * If the DRM_MODE_FB_DIRTY_ANNOTATE_COPY flag is given then
549  * the number of updated regions are half of num_clips given,
550  * where the clip rects are paired in src and dst. The width and
551  * height of each one of the pairs must match.
552  *
553  * If the DRM_MODE_FB_DIRTY_ANNOTATE_FILL flag is given the caller
554  * promises that the region specified of the clip rects is filled
555  * completely with a single color as given in the color argument.
556  */
557 
558 struct drm_mode_fb_dirty_cmd {
559 	__u32 fb_id;
560 	__u32 flags;
561 	__u32 color;
562 	__u32 num_clips;
563 	__u64 clips_ptr;
564 };
565 
566 struct drm_mode_mode_cmd {
567 	__u32 connector_id;
568 	struct drm_mode_modeinfo mode;
569 };
570 
571 #define DRM_MODE_CURSOR_BO	0x01
572 #define DRM_MODE_CURSOR_MOVE	0x02
573 #define DRM_MODE_CURSOR_FLAGS	0x03
574 
575 /*
576  * depending on the value in flags different members are used.
577  *
578  * CURSOR_BO uses
579  *    crtc_id
580  *    width
581  *    height
582  *    handle - if 0 turns the cursor off
583  *
584  * CURSOR_MOVE uses
585  *    crtc_id
586  *    x
587  *    y
588  */
589 struct drm_mode_cursor {
590 	__u32 flags;
591 	__u32 crtc_id;
592 	__s32 x;
593 	__s32 y;
594 	__u32 width;
595 	__u32 height;
596 	/* driver specific handle */
597 	__u32 handle;
598 };
599 
600 struct drm_mode_cursor2 {
601 	__u32 flags;
602 	__u32 crtc_id;
603 	__s32 x;
604 	__s32 y;
605 	__u32 width;
606 	__u32 height;
607 	/* driver specific handle */
608 	__u32 handle;
609 	__s32 hot_x;
610 	__s32 hot_y;
611 };
612 
613 struct drm_mode_crtc_lut {
614 	__u32 crtc_id;
615 	__u32 gamma_size;
616 
617 	/* pointers to arrays */
618 	__u64 red;
619 	__u64 green;
620 	__u64 blue;
621 };
622 
623 struct drm_color_ctm {
624 	/*
625 	 * Conversion matrix in S31.32 sign-magnitude
626 	 * (not two's complement!) format.
627 	 */
628 	__u64 matrix[9];
629 };
630 
631 struct drm_color_lut {
632 	/*
633 	 * Values are mapped linearly to 0.0 - 1.0 range, with 0x0 == 0.0 and
634 	 * 0xffff == 1.0.
635 	 */
636 	__u16 red;
637 	__u16 green;
638 	__u16 blue;
639 	__u16 reserved;
640 };
641 
642 /**
643  * struct hdr_metadata_infoframe - HDR Metadata Infoframe Data.
644  *
645  * HDR Metadata Infoframe as per CTA 861.G spec. This is expected
646  * to match exactly with the spec.
647  *
648  * Userspace is expected to pass the metadata information as per
649  * the format described in this structure.
650  */
651 struct hdr_metadata_infoframe {
652 	/**
653 	 * @eotf: Electro-Optical Transfer Function (EOTF)
654 	 * used in the stream.
655 	 */
656 	__u8 eotf;
657 	/**
658 	 * @metadata_type: Static_Metadata_Descriptor_ID.
659 	 */
660 	__u8 metadata_type;
661 	/**
662 	 * @display_primaries: Color Primaries of the Data.
663 	 * These are coded as unsigned 16-bit values in units of
664 	 * 0.00002, where 0x0000 represents zero and 0xC350
665 	 * represents 1.0000.
666 	 * @display_primaries.x: X cordinate of color primary.
667 	 * @display_primaries.y: Y cordinate of color primary.
668 	 */
669 	struct {
670 		__u16 x, y;
671 		} display_primaries[3];
672 	/**
673 	 * @white_point: White Point of Colorspace Data.
674 	 * These are coded as unsigned 16-bit values in units of
675 	 * 0.00002, where 0x0000 represents zero and 0xC350
676 	 * represents 1.0000.
677 	 * @white_point.x: X cordinate of whitepoint of color primary.
678 	 * @white_point.y: Y cordinate of whitepoint of color primary.
679 	 */
680 	struct {
681 		__u16 x, y;
682 		} white_point;
683 	/**
684 	 * @max_display_mastering_luminance: Max Mastering Display Luminance.
685 	 * This value is coded as an unsigned 16-bit value in units of 1 cd/m2,
686 	 * where 0x0001 represents 1 cd/m2 and 0xFFFF represents 65535 cd/m2.
687 	 */
688 	__u16 max_display_mastering_luminance;
689 	/**
690 	 * @min_display_mastering_luminance: Min Mastering Display Luminance.
691 	 * This value is coded as an unsigned 16-bit value in units of
692 	 * 0.0001 cd/m2, where 0x0001 represents 0.0001 cd/m2 and 0xFFFF
693 	 * represents 6.5535 cd/m2.
694 	 */
695 	__u16 min_display_mastering_luminance;
696 	/**
697 	 * @max_cll: Max Content Light Level.
698 	 * This value is coded as an unsigned 16-bit value in units of 1 cd/m2,
699 	 * where 0x0001 represents 1 cd/m2 and 0xFFFF represents 65535 cd/m2.
700 	 */
701 	__u16 max_cll;
702 	/**
703 	 * @max_fall: Max Frame Average 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_fall;
708 };
709 
710 /**
711  * struct hdr_output_metadata - HDR output metadata
712  *
713  * Metadata Information to be passed from userspace
714  */
715 struct hdr_output_metadata {
716 	/**
717 	 * @metadata_type: Static_Metadata_Descriptor_ID.
718 	 */
719 	__u32 metadata_type;
720 	/**
721 	 * @hdmi_metadata_type1: HDR Metadata Infoframe.
722 	 */
723 	union {
724 		struct hdr_metadata_infoframe hdmi_metadata_type1;
725 	};
726 };
727 
728 #define DRM_MODE_PAGE_FLIP_EVENT 0x01
729 #define DRM_MODE_PAGE_FLIP_ASYNC 0x02
730 #define DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE 0x4
731 #define DRM_MODE_PAGE_FLIP_TARGET_RELATIVE 0x8
732 #define DRM_MODE_PAGE_FLIP_TARGET (DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE | \
733 				   DRM_MODE_PAGE_FLIP_TARGET_RELATIVE)
734 #define DRM_MODE_PAGE_FLIP_FLAGS (DRM_MODE_PAGE_FLIP_EVENT | \
735 				  DRM_MODE_PAGE_FLIP_ASYNC | \
736 				  DRM_MODE_PAGE_FLIP_TARGET)
737 
738 /*
739  * Request a page flip on the specified crtc.
740  *
741  * This ioctl will ask KMS to schedule a page flip for the specified
742  * crtc.  Once any pending rendering targeting the specified fb (as of
743  * ioctl time) has completed, the crtc will be reprogrammed to display
744  * that fb after the next vertical refresh.  The ioctl returns
745  * immediately, but subsequent rendering to the current fb will block
746  * in the execbuffer ioctl until the page flip happens.  If a page
747  * flip is already pending as the ioctl is called, EBUSY will be
748  * returned.
749  *
750  * Flag DRM_MODE_PAGE_FLIP_EVENT requests that drm sends back a vblank
751  * event (see drm.h: struct drm_event_vblank) when the page flip is
752  * done.  The user_data field passed in with this ioctl will be
753  * returned as the user_data field in the vblank event struct.
754  *
755  * Flag DRM_MODE_PAGE_FLIP_ASYNC requests that the flip happen
756  * 'as soon as possible', meaning that it not delay waiting for vblank.
757  * This may cause tearing on the screen.
758  *
759  * The reserved field must be zero.
760  */
761 
762 struct drm_mode_crtc_page_flip {
763 	__u32 crtc_id;
764 	__u32 fb_id;
765 	__u32 flags;
766 	__u32 reserved;
767 	__u64 user_data;
768 };
769 
770 /*
771  * Request a page flip on the specified crtc.
772  *
773  * Same as struct drm_mode_crtc_page_flip, but supports new flags and
774  * re-purposes the reserved field:
775  *
776  * The sequence field must be zero unless either of the
777  * DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE/RELATIVE flags is specified. When
778  * the ABSOLUTE flag is specified, the sequence field denotes the absolute
779  * vblank sequence when the flip should take effect. When the RELATIVE
780  * flag is specified, the sequence field denotes the relative (to the
781  * current one when the ioctl is called) vblank sequence when the flip
782  * should take effect. NOTE: DRM_IOCTL_WAIT_VBLANK must still be used to
783  * make sure the vblank sequence before the target one has passed before
784  * calling this ioctl. The purpose of the
785  * DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE/RELATIVE flags is merely to clarify
786  * the target for when code dealing with a page flip runs during a
787  * vertical blank period.
788  */
789 
790 struct drm_mode_crtc_page_flip_target {
791 	__u32 crtc_id;
792 	__u32 fb_id;
793 	__u32 flags;
794 	__u32 sequence;
795 	__u64 user_data;
796 };
797 
798 /* create a dumb scanout buffer */
799 struct drm_mode_create_dumb {
800 	__u32 height;
801 	__u32 width;
802 	__u32 bpp;
803 	__u32 flags;
804 	/* handle, pitch, size will be returned */
805 	__u32 handle;
806 	__u32 pitch;
807 	__u64 size;
808 };
809 
810 /* set up for mmap of a dumb scanout buffer */
811 struct drm_mode_map_dumb {
812 	/** Handle for the object being mapped. */
813 	__u32 handle;
814 	__u32 pad;
815 	/**
816 	 * Fake offset to use for subsequent mmap call
817 	 *
818 	 * This is a fixed-size type for 32/64 compatibility.
819 	 */
820 	__u64 offset;
821 };
822 
823 struct drm_mode_destroy_dumb {
824 	__u32 handle;
825 };
826 
827 /* page-flip flags are valid, plus: */
828 #define DRM_MODE_ATOMIC_TEST_ONLY 0x0100
829 #define DRM_MODE_ATOMIC_NONBLOCK  0x0200
830 #define DRM_MODE_ATOMIC_ALLOW_MODESET 0x0400
831 
832 #define DRM_MODE_ATOMIC_FLAGS (\
833 		DRM_MODE_PAGE_FLIP_EVENT |\
834 		DRM_MODE_PAGE_FLIP_ASYNC |\
835 		DRM_MODE_ATOMIC_TEST_ONLY |\
836 		DRM_MODE_ATOMIC_NONBLOCK |\
837 		DRM_MODE_ATOMIC_ALLOW_MODESET)
838 
839 struct drm_mode_atomic {
840 	__u32 flags;
841 	__u32 count_objs;
842 	__u64 objs_ptr;
843 	__u64 count_props_ptr;
844 	__u64 props_ptr;
845 	__u64 prop_values_ptr;
846 	__u64 reserved;
847 	__u64 user_data;
848 };
849 
850 struct drm_format_modifier_blob {
851 #define FORMAT_BLOB_CURRENT 1
852 	/* Version of this blob format */
853 	__u32 version;
854 
855 	/* Flags */
856 	__u32 flags;
857 
858 	/* Number of fourcc formats supported */
859 	__u32 count_formats;
860 
861 	/* Where in this blob the formats exist (in bytes) */
862 	__u32 formats_offset;
863 
864 	/* Number of drm_format_modifiers */
865 	__u32 count_modifiers;
866 
867 	/* Where in this blob the modifiers exist (in bytes) */
868 	__u32 modifiers_offset;
869 
870 	/* __u32 formats[] */
871 	/* struct drm_format_modifier modifiers[] */
872 };
873 
874 struct drm_format_modifier {
875 	/* Bitmask of formats in get_plane format list this info applies to. The
876 	 * offset allows a sliding window of which 64 formats (bits).
877 	 *
878 	 * Some examples:
879 	 * In today's world with < 65 formats, and formats 0, and 2 are
880 	 * supported
881 	 * 0x0000000000000005
882 	 *		  ^-offset = 0, formats = 5
883 	 *
884 	 * If the number formats grew to 128, and formats 98-102 are
885 	 * supported with the modifier:
886 	 *
887 	 * 0x0000007c00000000 0000000000000000
888 	 *		  ^
889 	 *		  |__offset = 64, formats = 0x7c00000000
890 	 *
891 	 */
892 	__u64 formats;
893 	__u32 offset;
894 	__u32 pad;
895 
896 	/* The modifier that applies to the >get_plane format list bitmask. */
897 	__u64 modifier;
898 };
899 
900 /**
901  * struct drm_mode_create_blob - Create New block property
902  * @data: Pointer to data to copy.
903  * @length: Length of data to copy.
904  * @blob_id: new property ID.
905  * Create a new 'blob' data property, copying length bytes from data pointer,
906  * and returning new blob ID.
907  */
908 struct drm_mode_create_blob {
909 	/** Pointer to data to copy. */
910 	__u64 data;
911 	/** Length of data to copy. */
912 	__u32 length;
913 	/** Return: new property ID. */
914 	__u32 blob_id;
915 };
916 
917 /**
918  * struct drm_mode_destroy_blob - Destroy user blob
919  * @blob_id: blob_id to destroy
920  * Destroy a user-created blob property.
921  */
922 struct drm_mode_destroy_blob {
923 	__u32 blob_id;
924 };
925 
926 /**
927  * struct drm_mode_create_lease - Create lease
928  * @object_ids: Pointer to array of object ids.
929  * @object_count: Number of object ids.
930  * @flags: flags for new FD.
931  * @lessee_id: unique identifier for lessee.
932  * @fd: file descriptor to new drm_master file.
933  * Lease mode resources, creating another drm_master.
934  */
935 struct drm_mode_create_lease {
936 	/** Pointer to array of object ids (__u32) */
937 	__u64 object_ids;
938 	/** Number of object ids */
939 	__u32 object_count;
940 	/** flags for new FD (O_CLOEXEC, etc) */
941 	__u32 flags;
942 
943 	/** Return: unique identifier for lessee. */
944 	__u32 lessee_id;
945 	/** Return: file descriptor to new drm_master file */
946 	__u32 fd;
947 };
948 
949 /**
950  * struct drm_mode_list_lessees - List lessees
951  * @count_lessees: Number of lessees.
952  * @pad: pad.
953  * @lessees_ptr: Pointer to lessess.
954  * List lesses from a drm_master
955  */
956 struct drm_mode_list_lessees {
957 	/** Number of lessees.
958 	 * On input, provides length of the array.
959 	 * On output, provides total number. No
960 	 * more than the input number will be written
961 	 * back, so two calls can be used to get
962 	 * the size and then the data.
963 	 */
964 	__u32 count_lessees;
965 	__u32 pad;
966 
967 	/** Pointer to lessees.
968 	 * pointer to __u64 array of lessee ids
969 	 */
970 	__u64 lessees_ptr;
971 };
972 
973 /**
974  * struct drm_mode_get_lease - Get Lease
975  * @count_objects: Number of leased objects.
976  * @pad: pad.
977  * @objects_ptr: Pointer to objects.
978  * Get leased objects
979  */
980 struct drm_mode_get_lease {
981 	/** Number of leased objects.
982 	 * On input, provides length of the array.
983 	 * On output, provides total number. No
984 	 * more than the input number will be written
985 	 * back, so two calls can be used to get
986 	 * the size and then the data.
987 	 */
988 	__u32 count_objects;
989 	__u32 pad;
990 
991 	/** Pointer to objects.
992 	 * pointer to __u32 array of object ids
993 	 */
994 	__u64 objects_ptr;
995 };
996 
997 /**
998  * struct drm_mode_revoke_lease - Revoke lease
999  * @lessee_id: Unique ID of lessee.
1000  * Revoke lease
1001  */
1002 struct drm_mode_revoke_lease {
1003 	/** Unique ID of lessee
1004 	 */
1005 	__u32 lessee_id;
1006 };
1007 
1008 /**
1009  * struct drm_mode_rect - Two dimensional rectangle.
1010  * @x1: Horizontal starting coordinate (inclusive).
1011  * @y1: Vertical starting coordinate (inclusive).
1012  * @x2: Horizontal ending coordinate (exclusive).
1013  * @y2: Vertical ending coordinate (exclusive).
1014  *
1015  * With drm subsystem using struct drm_rect to manage rectangular area this
1016  * export it to user-space.
1017  *
1018  * Currently used by drm_mode_atomic blob property FB_DAMAGE_CLIPS.
1019  */
1020 struct drm_mode_rect {
1021 	__s32 x1;
1022 	__s32 y1;
1023 	__s32 x2;
1024 	__s32 y2;
1025 };
1026 
1027 #if defined(__cplusplus)
1028 }
1029 #endif
1030 
1031 #endif
1032