1 /*	$NetBSD: drm_mode.h,v 1.2 2021/12/18 23:45:46 riastradh Exp $	*/
2 
3 /*
4  * Copyright (c) 2007 Dave Airlie <airlied@linux.ie>
5  * Copyright (c) 2007 Jakob Bornecrantz <wallbraker@gmail.com>
6  * Copyright (c) 2008 Red Hat Inc.
7  * Copyright (c) 2007-2008 Tungsten Graphics, Inc., Cedar Park, TX., USA
8  * Copyright (c) 2007-2008 Intel Corporation
9  *
10  * Permission is hereby granted, free of charge, to any person obtaining a
11  * copy of this software and associated documentation files (the "Software"),
12  * to deal in the Software without restriction, including without limitation
13  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
14  * and/or sell copies of the Software, and to permit persons to whom the
15  * Software is furnished to do so, subject to the following conditions:
16  *
17  * The above copyright notice and this permission notice shall be included in
18  * all copies or substantial portions of the Software.
19  *
20  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
23  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
24  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
25  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
26  * IN THE SOFTWARE.
27  */
28 
29 #ifndef _DRM_MODE_H
30 #define _DRM_MODE_H
31 
32 #include "drm.h"
33 
34 #if defined(__cplusplus)
35 extern "C" {
36 #endif
37 
38 /**
39  * DOC: overview
40  *
41  * DRM exposes many UAPI and structure definition to have a consistent
42  * and standardized interface with user.
43  * Userspace can refer to these structure definitions and UAPI formats
44  * to communicate to driver
45  */
46 
47 #define DRM_CONNECTOR_NAME_LEN	32
48 #define DRM_DISPLAY_MODE_LEN	32
49 #define DRM_PROP_NAME_LEN	32
50 
51 #define DRM_MODE_TYPE_BUILTIN	(1<<0) /* deprecated */
52 #define DRM_MODE_TYPE_CLOCK_C	((1<<1) | DRM_MODE_TYPE_BUILTIN) /* deprecated */
53 #define DRM_MODE_TYPE_CRTC_C	((1<<2) | DRM_MODE_TYPE_BUILTIN) /* deprecated */
54 #define DRM_MODE_TYPE_PREFERRED	(1<<3)
55 #define DRM_MODE_TYPE_DEFAULT	(1<<4) /* deprecated */
56 #define DRM_MODE_TYPE_USERDEF	(1<<5)
57 #define DRM_MODE_TYPE_DRIVER	(1<<6)
58 
59 #define DRM_MODE_TYPE_ALL	(DRM_MODE_TYPE_PREFERRED |	\
60 				 DRM_MODE_TYPE_USERDEF |	\
61 				 DRM_MODE_TYPE_DRIVER)
62 
63 /* Video mode flags */
64 /* bit compatible with the xrandr RR_ definitions (bits 0-13)
65  *
66  * ABI warning: Existing userspace really expects
67  * the mode flags to match the xrandr definitions. Any
68  * changes that don't match the xrandr definitions will
69  * likely need a new client cap or some other mechanism
70  * to avoid breaking existing userspace. This includes
71  * allocating new flags in the previously unused bits!
72  */
73 #define DRM_MODE_FLAG_PHSYNC			(1<<0)
74 #define DRM_MODE_FLAG_NHSYNC			(1<<1)
75 #define DRM_MODE_FLAG_PVSYNC			(1<<2)
76 #define DRM_MODE_FLAG_NVSYNC			(1<<3)
77 #define DRM_MODE_FLAG_INTERLACE			(1<<4)
78 #define DRM_MODE_FLAG_DBLSCAN			(1<<5)
79 #define DRM_MODE_FLAG_CSYNC			(1<<6)
80 #define DRM_MODE_FLAG_PCSYNC			(1<<7)
81 #define DRM_MODE_FLAG_NCSYNC			(1<<8)
82 #define DRM_MODE_FLAG_HSKEW			(1<<9) /* hskew provided */
83 #define DRM_MODE_FLAG_BCAST			(1<<10) /* deprecated */
84 #define DRM_MODE_FLAG_PIXMUX			(1<<11) /* deprecated */
85 #define DRM_MODE_FLAG_DBLCLK			(1<<12)
86 #define DRM_MODE_FLAG_CLKDIV2			(1<<13)
87  /*
88   * When adding a new stereo mode don't forget to adjust DRM_MODE_FLAGS_3D_MAX
89   * (define not exposed to user space).
90   */
91 #define DRM_MODE_FLAG_3D_MASK			(0x1f<<14)
92 #define  DRM_MODE_FLAG_3D_NONE		(0<<14)
93 #define  DRM_MODE_FLAG_3D_FRAME_PACKING		(1<<14)
94 #define  DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE	(2<<14)
95 #define  DRM_MODE_FLAG_3D_LINE_ALTERNATIVE	(3<<14)
96 #define  DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL	(4<<14)
97 #define  DRM_MODE_FLAG_3D_L_DEPTH		(5<<14)
98 #define  DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH	(6<<14)
99 #define  DRM_MODE_FLAG_3D_TOP_AND_BOTTOM	(7<<14)
100 #define  DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF	(8<<14)
101 
102 /* Picture aspect ratio options */
103 #define DRM_MODE_PICTURE_ASPECT_NONE		0
104 #define DRM_MODE_PICTURE_ASPECT_4_3		1
105 #define DRM_MODE_PICTURE_ASPECT_16_9		2
106 #define DRM_MODE_PICTURE_ASPECT_64_27		3
107 #define DRM_MODE_PICTURE_ASPECT_256_135		4
108 
109 /* Content type options */
110 #define DRM_MODE_CONTENT_TYPE_NO_DATA		0
111 #define DRM_MODE_CONTENT_TYPE_GRAPHICS		1
112 #define DRM_MODE_CONTENT_TYPE_PHOTO		2
113 #define DRM_MODE_CONTENT_TYPE_CINEMA		3
114 #define DRM_MODE_CONTENT_TYPE_GAME		4
115 
116 /* Aspect ratio flag bitmask (4 bits 22:19) */
117 #define DRM_MODE_FLAG_PIC_AR_MASK		(0x0F<<19)
118 #define  DRM_MODE_FLAG_PIC_AR_NONE \
119 			(DRM_MODE_PICTURE_ASPECT_NONE<<19)
120 #define  DRM_MODE_FLAG_PIC_AR_4_3 \
121 			(DRM_MODE_PICTURE_ASPECT_4_3<<19)
122 #define  DRM_MODE_FLAG_PIC_AR_16_9 \
123 			(DRM_MODE_PICTURE_ASPECT_16_9<<19)
124 #define  DRM_MODE_FLAG_PIC_AR_64_27 \
125 			(DRM_MODE_PICTURE_ASPECT_64_27<<19)
126 #define  DRM_MODE_FLAG_PIC_AR_256_135 \
127 			(DRM_MODE_PICTURE_ASPECT_256_135<<19)
128 
129 #define  DRM_MODE_FLAG_ALL	(DRM_MODE_FLAG_PHSYNC |		\
130 				 DRM_MODE_FLAG_NHSYNC |		\
131 				 DRM_MODE_FLAG_PVSYNC |		\
132 				 DRM_MODE_FLAG_NVSYNC |		\
133 				 DRM_MODE_FLAG_INTERLACE |	\
134 				 DRM_MODE_FLAG_DBLSCAN |	\
135 				 DRM_MODE_FLAG_CSYNC |		\
136 				 DRM_MODE_FLAG_PCSYNC |		\
137 				 DRM_MODE_FLAG_NCSYNC |		\
138 				 DRM_MODE_FLAG_HSKEW |		\
139 				 DRM_MODE_FLAG_DBLCLK |		\
140 				 DRM_MODE_FLAG_CLKDIV2 |	\
141 				 DRM_MODE_FLAG_3D_MASK)
142 
143 /* DPMS flags */
144 /* bit compatible with the xorg definitions. */
145 #define DRM_MODE_DPMS_ON	0
146 #define DRM_MODE_DPMS_STANDBY	1
147 #define DRM_MODE_DPMS_SUSPEND	2
148 #define DRM_MODE_DPMS_OFF	3
149 
150 /* Scaling mode options */
151 #define DRM_MODE_SCALE_NONE		0 /* Unmodified timing (display or
152 					     software can still scale) */
153 #define DRM_MODE_SCALE_FULLSCREEN	1 /* Full screen, ignore aspect */
154 #define DRM_MODE_SCALE_CENTER		2 /* Centered, no scaling */
155 #define DRM_MODE_SCALE_ASPECT		3 /* Full screen, preserve aspect */
156 
157 /* Dithering mode options */
158 #define DRM_MODE_DITHERING_OFF	0
159 #define DRM_MODE_DITHERING_ON	1
160 #define DRM_MODE_DITHERING_AUTO 2
161 
162 /* Dirty info options */
163 #define DRM_MODE_DIRTY_OFF      0
164 #define DRM_MODE_DIRTY_ON       1
165 #define DRM_MODE_DIRTY_ANNOTATE 2
166 
167 /* Link Status options */
168 #define DRM_MODE_LINK_STATUS_GOOD	0
169 #define DRM_MODE_LINK_STATUS_BAD	1
170 
171 /*
172  * DRM_MODE_ROTATE_<degrees>
173  *
174  * Signals that a drm plane is been rotated <degrees> degrees in counter
175  * clockwise direction.
176  *
177  * This define is provided as a convenience, looking up the property id
178  * using the name->prop id lookup is the preferred method.
179  */
180 #define DRM_MODE_ROTATE_0       (1<<0)
181 #define DRM_MODE_ROTATE_90      (1<<1)
182 #define DRM_MODE_ROTATE_180     (1<<2)
183 #define DRM_MODE_ROTATE_270     (1<<3)
184 
185 /*
186  * DRM_MODE_ROTATE_MASK
187  *
188  * Bitmask used to look for drm plane rotations.
189  */
190 #define DRM_MODE_ROTATE_MASK (\
191 		DRM_MODE_ROTATE_0  | \
192 		DRM_MODE_ROTATE_90  | \
193 		DRM_MODE_ROTATE_180 | \
194 		DRM_MODE_ROTATE_270)
195 
196 /*
197  * DRM_MODE_REFLECT_<axis>
198  *
199  * Signals that the contents of a drm plane is reflected along the <axis> axis,
200  * in the same way as mirroring.
201  * See kerneldoc chapter "Plane Composition Properties" for more details.
202  *
203  * This define is provided as a convenience, looking up the property id
204  * using the name->prop id lookup is the preferred method.
205  */
206 #define DRM_MODE_REFLECT_X      (1<<4)
207 #define DRM_MODE_REFLECT_Y      (1<<5)
208 
209 /*
210  * DRM_MODE_REFLECT_MASK
211  *
212  * Bitmask used to look for drm plane reflections.
213  */
214 #define DRM_MODE_REFLECT_MASK (\
215 		DRM_MODE_REFLECT_X | \
216 		DRM_MODE_REFLECT_Y)
217 
218 /* Content Protection Flags */
219 #define DRM_MODE_CONTENT_PROTECTION_UNDESIRED	0
220 #define DRM_MODE_CONTENT_PROTECTION_DESIRED     1
221 #define DRM_MODE_CONTENT_PROTECTION_ENABLED     2
222 
223 struct drm_mode_modeinfo {
224 	__u32 clock;
225 	__u16 hdisplay;
226 	__u16 hsync_start;
227 	__u16 hsync_end;
228 	__u16 htotal;
229 	__u16 hskew;
230 	__u16 vdisplay;
231 	__u16 vsync_start;
232 	__u16 vsync_end;
233 	__u16 vtotal;
234 	__u16 vscan;
235 
236 	__u32 vrefresh;
237 
238 	__u32 flags;
239 	__u32 type;
240 	char name[DRM_DISPLAY_MODE_LEN];
241 };
242 
243 struct drm_mode_card_res {
244 	__u64 fb_id_ptr;
245 	__u64 crtc_id_ptr;
246 	__u64 connector_id_ptr;
247 	__u64 encoder_id_ptr;
248 	__u32 count_fbs;
249 	__u32 count_crtcs;
250 	__u32 count_connectors;
251 	__u32 count_encoders;
252 	__u32 min_width;
253 	__u32 max_width;
254 	__u32 min_height;
255 	__u32 max_height;
256 };
257 
258 struct drm_mode_crtc {
259 	__u64 set_connectors_ptr;
260 	__u32 count_connectors;
261 
262 	__u32 crtc_id; /**< Id */
263 	__u32 fb_id; /**< Id of framebuffer */
264 
265 	__u32 x; /**< x Position on the framebuffer */
266 	__u32 y; /**< y Position on the framebuffer */
267 
268 	__u32 gamma_size;
269 	__u32 mode_valid;
270 	struct drm_mode_modeinfo mode;
271 };
272 
273 #define DRM_MODE_PRESENT_TOP_FIELD	(1<<0)
274 #define DRM_MODE_PRESENT_BOTTOM_FIELD	(1<<1)
275 
276 /* Planes blend with or override other bits on the CRTC */
277 struct drm_mode_set_plane {
278 	__u32 plane_id;
279 	__u32 crtc_id;
280 	__u32 fb_id; /* fb object contains surface format type */
281 	__u32 flags; /* see above flags */
282 
283 	/* Signed dest location allows it to be partially off screen */
284 	__s32 crtc_x;
285 	__s32 crtc_y;
286 	__u32 crtc_w;
287 	__u32 crtc_h;
288 
289 	/* Source values are 16.16 fixed point */
290 	__u32 src_x;
291 	__u32 src_y;
292 	__u32 src_h;
293 	__u32 src_w;
294 };
295 
296 struct drm_mode_get_plane {
297 	__u32 plane_id;
298 
299 	__u32 crtc_id;
300 	__u32 fb_id;
301 
302 	__u32 possible_crtcs;
303 	__u32 gamma_size;
304 
305 	__u32 count_format_types;
306 	__u64 format_type_ptr;
307 };
308 
309 struct drm_mode_get_plane_res {
310 	__u64 plane_id_ptr;
311 	__u32 count_planes;
312 };
313 
314 #define DRM_MODE_ENCODER_NONE	0
315 #define DRM_MODE_ENCODER_DAC	1
316 #define DRM_MODE_ENCODER_TMDS	2
317 #define DRM_MODE_ENCODER_LVDS	3
318 #define DRM_MODE_ENCODER_TVDAC	4
319 #define DRM_MODE_ENCODER_VIRTUAL 5
320 #define DRM_MODE_ENCODER_DSI	6
321 #define DRM_MODE_ENCODER_DPMST	7
322 #define DRM_MODE_ENCODER_DPI	8
323 
324 struct drm_mode_get_encoder {
325 	__u32 encoder_id;
326 	__u32 encoder_type;
327 
328 	__u32 crtc_id; /**< Id of crtc */
329 
330 	__u32 possible_crtcs;
331 	__u32 possible_clones;
332 };
333 
334 /* This is for connectors with multiple signal types. */
335 /* Try to match DRM_MODE_CONNECTOR_X as closely as possible. */
336 enum drm_mode_subconnector {
337 	DRM_MODE_SUBCONNECTOR_Automatic = 0,
338 	DRM_MODE_SUBCONNECTOR_Unknown = 0,
339 	DRM_MODE_SUBCONNECTOR_DVID = 3,
340 	DRM_MODE_SUBCONNECTOR_DVIA = 4,
341 	DRM_MODE_SUBCONNECTOR_Composite = 5,
342 	DRM_MODE_SUBCONNECTOR_SVIDEO = 6,
343 	DRM_MODE_SUBCONNECTOR_Component = 8,
344 	DRM_MODE_SUBCONNECTOR_SCART = 9,
345 };
346 
347 #define DRM_MODE_CONNECTOR_Unknown	0
348 #define DRM_MODE_CONNECTOR_VGA		1
349 #define DRM_MODE_CONNECTOR_DVII		2
350 #define DRM_MODE_CONNECTOR_DVID		3
351 #define DRM_MODE_CONNECTOR_DVIA		4
352 #define DRM_MODE_CONNECTOR_Composite	5
353 #define DRM_MODE_CONNECTOR_SVIDEO	6
354 #define DRM_MODE_CONNECTOR_LVDS		7
355 #define DRM_MODE_CONNECTOR_Component	8
356 #define DRM_MODE_CONNECTOR_9PinDIN	9
357 #define DRM_MODE_CONNECTOR_DisplayPort	10
358 #define DRM_MODE_CONNECTOR_HDMIA	11
359 #define DRM_MODE_CONNECTOR_HDMIB	12
360 #define DRM_MODE_CONNECTOR_TV		13
361 #define DRM_MODE_CONNECTOR_eDP		14
362 #define DRM_MODE_CONNECTOR_VIRTUAL      15
363 #define DRM_MODE_CONNECTOR_DSI		16
364 #define DRM_MODE_CONNECTOR_DPI		17
365 #define DRM_MODE_CONNECTOR_WRITEBACK	18
366 #define DRM_MODE_CONNECTOR_SPI		19
367 
368 struct drm_mode_get_connector {
369 
370 	__u64 encoders_ptr;
371 	__u64 modes_ptr;
372 	__u64 props_ptr;
373 	__u64 prop_values_ptr;
374 
375 	__u32 count_modes;
376 	__u32 count_props;
377 	__u32 count_encoders;
378 
379 	__u32 encoder_id; /**< Current Encoder */
380 	__u32 connector_id; /**< Id */
381 	__u32 connector_type;
382 	__u32 connector_type_id;
383 
384 	__u32 connection;
385 	__u32 mm_width;  /**< width in millimeters */
386 	__u32 mm_height; /**< height in millimeters */
387 	__u32 subpixel;
388 
389 	__u32 pad;
390 };
391 
392 #define DRM_MODE_PROP_PENDING	(1<<0) /* deprecated, do not use */
393 #define DRM_MODE_PROP_RANGE	(1<<1)
394 #define DRM_MODE_PROP_IMMUTABLE	(1<<2)
395 #define DRM_MODE_PROP_ENUM	(1<<3) /* enumerated type with text strings */
396 #define DRM_MODE_PROP_BLOB	(1<<4)
397 #define DRM_MODE_PROP_BITMASK	(1<<5) /* bitmask of enumerated types */
398 
399 /* non-extended types: legacy bitmask, one bit per type: */
400 #define DRM_MODE_PROP_LEGACY_TYPE  ( \
401 		DRM_MODE_PROP_RANGE | \
402 		DRM_MODE_PROP_ENUM | \
403 		DRM_MODE_PROP_BLOB | \
404 		DRM_MODE_PROP_BITMASK)
405 
406 /* extended-types: rather than continue to consume a bit per type,
407  * grab a chunk of the bits to use as integer type id.
408  */
409 #define DRM_MODE_PROP_EXTENDED_TYPE	0x0000ffc0
410 #define DRM_MODE_PROP_TYPE(n)		((n) << 6)
411 #define DRM_MODE_PROP_OBJECT		DRM_MODE_PROP_TYPE(1)
412 #define DRM_MODE_PROP_SIGNED_RANGE	DRM_MODE_PROP_TYPE(2)
413 
414 /* the PROP_ATOMIC flag is used to hide properties from userspace that
415  * is not aware of atomic properties.  This is mostly to work around
416  * older userspace (DDX drivers) that read/write each prop they find,
417  * witout being aware that this could be triggering a lengthy modeset.
418  */
419 #define DRM_MODE_PROP_ATOMIC        0x80000000
420 
421 struct drm_mode_property_enum {
422 	__u64 value;
423 	char name[DRM_PROP_NAME_LEN];
424 };
425 
426 struct drm_mode_get_property {
427 	__u64 values_ptr; /* values and blob lengths */
428 	__u64 enum_blob_ptr; /* enum and blob id ptrs */
429 
430 	__u32 prop_id;
431 	__u32 flags;
432 	char name[DRM_PROP_NAME_LEN];
433 
434 	__u32 count_values;
435 	/* This is only used to count enum values, not blobs. The _blobs is
436 	 * simply because of a historical reason, i.e. backwards compat. */
437 	__u32 count_enum_blobs;
438 };
439 
440 struct drm_mode_connector_set_property {
441 	__u64 value;
442 	__u32 prop_id;
443 	__u32 connector_id;
444 };
445 
446 #define DRM_MODE_OBJECT_CRTC 0xcccccccc
447 #define DRM_MODE_OBJECT_CONNECTOR 0xc0c0c0c0
448 #define DRM_MODE_OBJECT_ENCODER 0xe0e0e0e0
449 #define DRM_MODE_OBJECT_MODE 0xdededede
450 #define DRM_MODE_OBJECT_PROPERTY 0xb0b0b0b0
451 #define DRM_MODE_OBJECT_FB 0xfbfbfbfb
452 #define DRM_MODE_OBJECT_BLOB 0xbbbbbbbb
453 #define DRM_MODE_OBJECT_PLANE 0xeeeeeeee
454 #define DRM_MODE_OBJECT_ANY 0
455 
456 struct drm_mode_obj_get_properties {
457 	__u64 props_ptr;
458 	__u64 prop_values_ptr;
459 	__u32 count_props;
460 	__u32 obj_id;
461 	__u32 obj_type;
462 };
463 
464 struct drm_mode_obj_set_property {
465 	__u64 value;
466 	__u32 prop_id;
467 	__u32 obj_id;
468 	__u32 obj_type;
469 };
470 
471 struct drm_mode_get_blob {
472 	__u32 blob_id;
473 	__u32 length;
474 	__u64 data;
475 };
476 
477 struct drm_mode_fb_cmd {
478 	__u32 fb_id;
479 	__u32 width;
480 	__u32 height;
481 	__u32 pitch;
482 	__u32 bpp;
483 	__u32 depth;
484 	/* driver specific handle */
485 	__u32 handle;
486 };
487 
488 #define DRM_MODE_FB_INTERLACED	(1<<0) /* for interlaced framebuffers */
489 #define DRM_MODE_FB_MODIFIERS	(1<<1) /* enables ->modifer[] */
490 
491 struct drm_mode_fb_cmd2 {
492 	__u32 fb_id;
493 	__u32 width;
494 	__u32 height;
495 	__u32 pixel_format; /* fourcc code from drm_fourcc.h */
496 	__u32 flags; /* see above flags */
497 
498 	/*
499 	 * In case of planar formats, this ioctl allows up to 4
500 	 * buffer objects with offsets and pitches per plane.
501 	 * The pitch and offset order is dictated by the fourcc,
502 	 * e.g. NV12 (http://fourcc.org/yuv.php#NV12) is described as:
503 	 *
504 	 *   YUV 4:2:0 image with a plane of 8 bit Y samples
505 	 *   followed by an interleaved U/V plane containing
506 	 *   8 bit 2x2 subsampled colour difference samples.
507 	 *
508 	 * So it would consist of Y as offsets[0] and UV as
509 	 * offsets[1].  Note that offsets[0] will generally
510 	 * be 0 (but this is not required).
511 	 *
512 	 * To accommodate tiled, compressed, etc formats, a
513 	 * modifier can be specified.  The default value of zero
514 	 * indicates "native" format as specified by the fourcc.
515 	 * Vendor specific modifier token.  Note that even though
516 	 * it looks like we have a modifier per-plane, we in fact
517 	 * do not. The modifier for each plane must be identical.
518 	 * Thus all combinations of different data layouts for
519 	 * multi plane formats must be enumerated as separate
520 	 * modifiers.
521 	 */
522 	__u32 handles[4];
523 	__u32 pitches[4]; /* pitch for each plane */
524 	__u32 offsets[4]; /* offset of each plane */
525 	__u64 modifier[4]; /* ie, tiling, compress */
526 };
527 
528 #define DRM_MODE_FB_DIRTY_ANNOTATE_COPY 0x01
529 #define DRM_MODE_FB_DIRTY_ANNOTATE_FILL 0x02
530 #define DRM_MODE_FB_DIRTY_FLAGS         0x03
531 
532 #define DRM_MODE_FB_DIRTY_MAX_CLIPS     256
533 
534 /*
535  * Mark a region of a framebuffer as dirty.
536  *
537  * Some hardware does not automatically update display contents
538  * as a hardware or software draw to a framebuffer. This ioctl
539  * allows userspace to tell the kernel and the hardware what
540  * regions of the framebuffer have changed.
541  *
542  * The kernel or hardware is free to update more than just the
543  * region specified by the clip rects. The kernel or hardware
544  * may also delay and/or coalesce several calls to dirty into a
545  * single update.
546  *
547  * Userspace may annotate the updates, the annotates are a
548  * promise made by the caller that the change is either a copy
549  * of pixels or a fill of a single color in the region specified.
550  *
551  * If the DRM_MODE_FB_DIRTY_ANNOTATE_COPY flag is given then
552  * the number of updated regions are half of num_clips given,
553  * where the clip rects are paired in src and dst. The width and
554  * height of each one of the pairs must match.
555  *
556  * If the DRM_MODE_FB_DIRTY_ANNOTATE_FILL flag is given the caller
557  * promises that the region specified of the clip rects is filled
558  * completely with a single color as given in the color argument.
559  */
560 
561 struct drm_mode_fb_dirty_cmd {
562 	__u32 fb_id;
563 	__u32 flags;
564 	__u32 color;
565 	__u32 num_clips;
566 	__u64 clips_ptr;
567 };
568 
569 struct drm_mode_mode_cmd {
570 	__u32 connector_id;
571 	struct drm_mode_modeinfo mode;
572 };
573 
574 #define DRM_MODE_CURSOR_BO	0x01
575 #define DRM_MODE_CURSOR_MOVE	0x02
576 #define DRM_MODE_CURSOR_FLAGS	0x03
577 
578 /*
579  * depending on the value in flags different members are used.
580  *
581  * CURSOR_BO uses
582  *    crtc_id
583  *    width
584  *    height
585  *    handle - if 0 turns the cursor off
586  *
587  * CURSOR_MOVE uses
588  *    crtc_id
589  *    x
590  *    y
591  */
592 struct drm_mode_cursor {
593 	__u32 flags;
594 	__u32 crtc_id;
595 	__s32 x;
596 	__s32 y;
597 	__u32 width;
598 	__u32 height;
599 	/* driver specific handle */
600 	__u32 handle;
601 };
602 
603 struct drm_mode_cursor2 {
604 	__u32 flags;
605 	__u32 crtc_id;
606 	__s32 x;
607 	__s32 y;
608 	__u32 width;
609 	__u32 height;
610 	/* driver specific handle */
611 	__u32 handle;
612 	__s32 hot_x;
613 	__s32 hot_y;
614 };
615 
616 struct drm_mode_crtc_lut {
617 	__u32 crtc_id;
618 	__u32 gamma_size;
619 
620 	/* pointers to arrays */
621 	__u64 red;
622 	__u64 green;
623 	__u64 blue;
624 };
625 
626 struct drm_color_ctm {
627 	/*
628 	 * Conversion matrix in S31.32 sign-magnitude
629 	 * (not two's complement!) format.
630 	 */
631 	__u64 matrix[9];
632 };
633 
634 struct drm_color_lut {
635 	/*
636 	 * Values are mapped linearly to 0.0 - 1.0 range, with 0x0 == 0.0 and
637 	 * 0xffff == 1.0.
638 	 */
639 	__u16 red;
640 	__u16 green;
641 	__u16 blue;
642 	__u16 reserved;
643 };
644 
645 /**
646  * struct hdr_metadata_infoframe - HDR Metadata Infoframe Data.
647  *
648  * HDR Metadata Infoframe as per CTA 861.G spec. This is expected
649  * to match exactly with the spec.
650  *
651  * Userspace is expected to pass the metadata information as per
652  * the format described in this structure.
653  */
654 struct hdr_metadata_infoframe {
655 	/**
656 	 * @eotf: Electro-Optical Transfer Function (EOTF)
657 	 * used in the stream.
658 	 */
659 	__u8 eotf;
660 	/**
661 	 * @metadata_type: Static_Metadata_Descriptor_ID.
662 	 */
663 	__u8 metadata_type;
664 	/**
665 	 * @display_primaries: Color Primaries of the Data.
666 	 * These are coded as unsigned 16-bit values in units of
667 	 * 0.00002, where 0x0000 represents zero and 0xC350
668 	 * represents 1.0000.
669 	 * @display_primaries.x: X cordinate of color primary.
670 	 * @display_primaries.y: Y cordinate of color primary.
671 	 */
672 	struct {
673 		__u16 x, y;
674 		} display_primaries[3];
675 	/**
676 	 * @white_point: White Point of Colorspace Data.
677 	 * These are coded as unsigned 16-bit values in units of
678 	 * 0.00002, where 0x0000 represents zero and 0xC350
679 	 * represents 1.0000.
680 	 * @white_point.x: X cordinate of whitepoint of color primary.
681 	 * @white_point.y: Y cordinate of whitepoint of color primary.
682 	 */
683 	struct {
684 		__u16 x, y;
685 		} white_point;
686 	/**
687 	 * @max_display_mastering_luminance: Max Mastering Display Luminance.
688 	 * This value is coded as an unsigned 16-bit value in units of 1 cd/m2,
689 	 * where 0x0001 represents 1 cd/m2 and 0xFFFF represents 65535 cd/m2.
690 	 */
691 	__u16 max_display_mastering_luminance;
692 	/**
693 	 * @min_display_mastering_luminance: Min Mastering Display Luminance.
694 	 * This value is coded as an unsigned 16-bit value in units of
695 	 * 0.0001 cd/m2, where 0x0001 represents 0.0001 cd/m2 and 0xFFFF
696 	 * represents 6.5535 cd/m2.
697 	 */
698 	__u16 min_display_mastering_luminance;
699 	/**
700 	 * @max_cll: Max Content Light Level.
701 	 * This value is coded as an unsigned 16-bit value in units of 1 cd/m2,
702 	 * where 0x0001 represents 1 cd/m2 and 0xFFFF represents 65535 cd/m2.
703 	 */
704 	__u16 max_cll;
705 	/**
706 	 * @max_fall: Max Frame Average Light Level.
707 	 * This value is coded as an unsigned 16-bit value in units of 1 cd/m2,
708 	 * where 0x0001 represents 1 cd/m2 and 0xFFFF represents 65535 cd/m2.
709 	 */
710 	__u16 max_fall;
711 };
712 
713 /**
714  * struct hdr_output_metadata - HDR output metadata
715  *
716  * Metadata Information to be passed from userspace
717  */
718 struct hdr_output_metadata {
719 	/**
720 	 * @metadata_type: Static_Metadata_Descriptor_ID.
721 	 */
722 	__u32 metadata_type;
723 	/**
724 	 * @hdmi_metadata_type1: HDR Metadata Infoframe.
725 	 */
726 	union {
727 		struct hdr_metadata_infoframe hdmi_metadata_type1;
728 	};
729 };
730 
731 #define DRM_MODE_PAGE_FLIP_EVENT 0x01
732 #define DRM_MODE_PAGE_FLIP_ASYNC 0x02
733 #define DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE 0x4
734 #define DRM_MODE_PAGE_FLIP_TARGET_RELATIVE 0x8
735 #define DRM_MODE_PAGE_FLIP_TARGET (DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE | \
736 				   DRM_MODE_PAGE_FLIP_TARGET_RELATIVE)
737 #define DRM_MODE_PAGE_FLIP_FLAGS (DRM_MODE_PAGE_FLIP_EVENT | \
738 				  DRM_MODE_PAGE_FLIP_ASYNC | \
739 				  DRM_MODE_PAGE_FLIP_TARGET)
740 
741 /*
742  * Request a page flip on the specified crtc.
743  *
744  * This ioctl will ask KMS to schedule a page flip for the specified
745  * crtc.  Once any pending rendering targeting the specified fb (as of
746  * ioctl time) has completed, the crtc will be reprogrammed to display
747  * that fb after the next vertical refresh.  The ioctl returns
748  * immediately, but subsequent rendering to the current fb will block
749  * in the execbuffer ioctl until the page flip happens.  If a page
750  * flip is already pending as the ioctl is called, EBUSY will be
751  * returned.
752  *
753  * Flag DRM_MODE_PAGE_FLIP_EVENT requests that drm sends back a vblank
754  * event (see drm.h: struct drm_event_vblank) when the page flip is
755  * done.  The user_data field passed in with this ioctl will be
756  * returned as the user_data field in the vblank event struct.
757  *
758  * Flag DRM_MODE_PAGE_FLIP_ASYNC requests that the flip happen
759  * 'as soon as possible', meaning that it not delay waiting for vblank.
760  * This may cause tearing on the screen.
761  *
762  * The reserved field must be zero.
763  */
764 
765 struct drm_mode_crtc_page_flip {
766 	__u32 crtc_id;
767 	__u32 fb_id;
768 	__u32 flags;
769 	__u32 reserved;
770 	__u64 user_data;
771 };
772 
773 /*
774  * Request a page flip on the specified crtc.
775  *
776  * Same as struct drm_mode_crtc_page_flip, but supports new flags and
777  * re-purposes the reserved field:
778  *
779  * The sequence field must be zero unless either of the
780  * DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE/RELATIVE flags is specified. When
781  * the ABSOLUTE flag is specified, the sequence field denotes the absolute
782  * vblank sequence when the flip should take effect. When the RELATIVE
783  * flag is specified, the sequence field denotes the relative (to the
784  * current one when the ioctl is called) vblank sequence when the flip
785  * should take effect. NOTE: DRM_IOCTL_WAIT_VBLANK must still be used to
786  * make sure the vblank sequence before the target one has passed before
787  * calling this ioctl. The purpose of the
788  * DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE/RELATIVE flags is merely to clarify
789  * the target for when code dealing with a page flip runs during a
790  * vertical blank period.
791  */
792 
793 struct drm_mode_crtc_page_flip_target {
794 	__u32 crtc_id;
795 	__u32 fb_id;
796 	__u32 flags;
797 	__u32 sequence;
798 	__u64 user_data;
799 };
800 
801 /* create a dumb scanout buffer */
802 struct drm_mode_create_dumb {
803 	__u32 height;
804 	__u32 width;
805 	__u32 bpp;
806 	__u32 flags;
807 	/* handle, pitch, size will be returned */
808 	__u32 handle;
809 	__u32 pitch;
810 	__u64 size;
811 };
812 
813 /* set up for mmap of a dumb scanout buffer */
814 struct drm_mode_map_dumb {
815 	/** Handle for the object being mapped. */
816 	__u32 handle;
817 	__u32 pad;
818 	/**
819 	 * Fake offset to use for subsequent mmap call
820 	 *
821 	 * This is a fixed-size type for 32/64 compatibility.
822 	 */
823 	__u64 offset;
824 };
825 
826 struct drm_mode_destroy_dumb {
827 	__u32 handle;
828 };
829 
830 /* page-flip flags are valid, plus: */
831 #define DRM_MODE_ATOMIC_TEST_ONLY 0x0100
832 #define DRM_MODE_ATOMIC_NONBLOCK  0x0200
833 #define DRM_MODE_ATOMIC_ALLOW_MODESET 0x0400
834 
835 #define DRM_MODE_ATOMIC_FLAGS (\
836 		DRM_MODE_PAGE_FLIP_EVENT |\
837 		DRM_MODE_PAGE_FLIP_ASYNC |\
838 		DRM_MODE_ATOMIC_TEST_ONLY |\
839 		DRM_MODE_ATOMIC_NONBLOCK |\
840 		DRM_MODE_ATOMIC_ALLOW_MODESET)
841 
842 struct drm_mode_atomic {
843 	__u32 flags;
844 	__u32 count_objs;
845 	__u64 objs_ptr;
846 	__u64 count_props_ptr;
847 	__u64 props_ptr;
848 	__u64 prop_values_ptr;
849 	__u64 reserved;
850 	__u64 user_data;
851 };
852 
853 struct drm_format_modifier_blob {
854 #define FORMAT_BLOB_CURRENT 1
855 	/* Version of this blob format */
856 	__u32 version;
857 
858 	/* Flags */
859 	__u32 flags;
860 
861 	/* Number of fourcc formats supported */
862 	__u32 count_formats;
863 
864 	/* Where in this blob the formats exist (in bytes) */
865 	__u32 formats_offset;
866 
867 	/* Number of drm_format_modifiers */
868 	__u32 count_modifiers;
869 
870 	/* Where in this blob the modifiers exist (in bytes) */
871 	__u32 modifiers_offset;
872 
873 	/* __u32 formats[] */
874 	/* struct drm_format_modifier modifiers[] */
875 };
876 
877 struct drm_format_modifier {
878 	/* Bitmask of formats in get_plane format list this info applies to. The
879 	 * offset allows a sliding window of which 64 formats (bits).
880 	 *
881 	 * Some examples:
882 	 * In today's world with < 65 formats, and formats 0, and 2 are
883 	 * supported
884 	 * 0x0000000000000005
885 	 *		  ^-offset = 0, formats = 5
886 	 *
887 	 * If the number formats grew to 128, and formats 98-102 are
888 	 * supported with the modifier:
889 	 *
890 	 * 0x0000007c00000000 0000000000000000
891 	 *		  ^
892 	 *		  |__offset = 64, formats = 0x7c00000000
893 	 *
894 	 */
895 	__u64 formats;
896 	__u32 offset;
897 	__u32 pad;
898 
899 	/* The modifier that applies to the >get_plane format list bitmask. */
900 	__u64 modifier;
901 };
902 
903 /**
904  * struct drm_mode_create_blob - Create New block property
905  * @data: Pointer to data to copy.
906  * @length: Length of data to copy.
907  * @blob_id: new property ID.
908  * Create a new 'blob' data property, copying length bytes from data pointer,
909  * and returning new blob ID.
910  */
911 struct drm_mode_create_blob {
912 	/** Pointer to data to copy. */
913 	__u64 data;
914 	/** Length of data to copy. */
915 	__u32 length;
916 	/** Return: new property ID. */
917 	__u32 blob_id;
918 };
919 
920 /**
921  * struct drm_mode_destroy_blob - Destroy user blob
922  * @blob_id: blob_id to destroy
923  * Destroy a user-created blob property.
924  */
925 struct drm_mode_destroy_blob {
926 	__u32 blob_id;
927 };
928 
929 /**
930  * struct drm_mode_create_lease - Create lease
931  * @object_ids: Pointer to array of object ids.
932  * @object_count: Number of object ids.
933  * @flags: flags for new FD.
934  * @lessee_id: unique identifier for lessee.
935  * @fd: file descriptor to new drm_master file.
936  * Lease mode resources, creating another drm_master.
937  */
938 struct drm_mode_create_lease {
939 	/** Pointer to array of object ids (__u32) */
940 	__u64 object_ids;
941 	/** Number of object ids */
942 	__u32 object_count;
943 	/** flags for new FD (O_CLOEXEC, etc) */
944 	__u32 flags;
945 
946 	/** Return: unique identifier for lessee. */
947 	__u32 lessee_id;
948 	/** Return: file descriptor to new drm_master file */
949 	__u32 fd;
950 };
951 
952 /**
953  * struct drm_mode_list_lessees - List lessees
954  * @count_lessees: Number of lessees.
955  * @pad: pad.
956  * @lessees_ptr: Pointer to lessess.
957  * List lesses from a drm_master
958  */
959 struct drm_mode_list_lessees {
960 	/** Number of lessees.
961 	 * On input, provides length of the array.
962 	 * On output, provides total number. No
963 	 * more than the input number will be written
964 	 * back, so two calls can be used to get
965 	 * the size and then the data.
966 	 */
967 	__u32 count_lessees;
968 	__u32 pad;
969 
970 	/** Pointer to lessees.
971 	 * pointer to __u64 array of lessee ids
972 	 */
973 	__u64 lessees_ptr;
974 };
975 
976 /**
977  * struct drm_mode_get_lease - Get Lease
978  * @count_objects: Number of leased objects.
979  * @pad: pad.
980  * @objects_ptr: Pointer to objects.
981  * Get leased objects
982  */
983 struct drm_mode_get_lease {
984 	/** Number of leased objects.
985 	 * On input, provides length of the array.
986 	 * On output, provides total number. No
987 	 * more than the input number will be written
988 	 * back, so two calls can be used to get
989 	 * the size and then the data.
990 	 */
991 	__u32 count_objects;
992 	__u32 pad;
993 
994 	/** Pointer to objects.
995 	 * pointer to __u32 array of object ids
996 	 */
997 	__u64 objects_ptr;
998 };
999 
1000 /**
1001  * struct drm_mode_revoke_lease - Revoke lease
1002  * @lessee_id: Unique ID of lessee.
1003  * Revoke lease
1004  */
1005 struct drm_mode_revoke_lease {
1006 	/** Unique ID of lessee
1007 	 */
1008 	__u32 lessee_id;
1009 };
1010 
1011 /**
1012  * struct drm_mode_rect - Two dimensional rectangle.
1013  * @x1: Horizontal starting coordinate (inclusive).
1014  * @y1: Vertical starting coordinate (inclusive).
1015  * @x2: Horizontal ending coordinate (exclusive).
1016  * @y2: Vertical ending coordinate (exclusive).
1017  *
1018  * With drm subsystem using struct drm_rect to manage rectangular area this
1019  * export it to user-space.
1020  *
1021  * Currently used by drm_mode_atomic blob property FB_DAMAGE_CLIPS.
1022  */
1023 struct drm_mode_rect {
1024 	__s32 x1;
1025 	__s32 y1;
1026 	__s32 x2;
1027 	__s32 y2;
1028 };
1029 
1030 #if defined(__cplusplus)
1031 }
1032 #endif
1033 
1034 #endif
1035