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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 #define DRM_DISPLAY_INFO_LEN	32
37 #define DRM_CONNECTOR_NAME_LEN	32
38 #define DRM_DISPLAY_MODE_LEN	32
39 #define DRM_PROP_NAME_LEN	32
40 
41 #define DRM_MODE_TYPE_BUILTIN	(1<<0) /* deprecated */
42 #define DRM_MODE_TYPE_CLOCK_C	((1<<1) | DRM_MODE_TYPE_BUILTIN) /* deprecated */
43 #define DRM_MODE_TYPE_CRTC_C	((1<<2) | DRM_MODE_TYPE_BUILTIN) /* deprecated */
44 #define DRM_MODE_TYPE_PREFERRED	(1<<3)
45 #define DRM_MODE_TYPE_DEFAULT	(1<<4) /* deprecated */
46 #define DRM_MODE_TYPE_USERDEF	(1<<5)
47 #define DRM_MODE_TYPE_DRIVER	(1<<6)
48 
49 #define DRM_MODE_TYPE_ALL	(DRM_MODE_TYPE_PREFERRED |	\
50 				 DRM_MODE_TYPE_USERDEF |	\
51 				 DRM_MODE_TYPE_DRIVER)
52 
53 /* Video mode flags */
54 /* bit compatible with the xrandr RR_ definitions (bits 0-13)
55  *
56  * ABI warning: Existing userspace really expects
57  * the mode flags to match the xrandr definitions. Any
58  * changes that don't match the xrandr definitions will
59  * likely need a new client cap or some other mechanism
60  * to avoid breaking existing userspace. This includes
61  * allocating new flags in the previously unused bits!
62  */
63 #define DRM_MODE_FLAG_PHSYNC			(1<<0)
64 #define DRM_MODE_FLAG_NHSYNC			(1<<1)
65 #define DRM_MODE_FLAG_PVSYNC			(1<<2)
66 #define DRM_MODE_FLAG_NVSYNC			(1<<3)
67 #define DRM_MODE_FLAG_INTERLACE			(1<<4)
68 #define DRM_MODE_FLAG_DBLSCAN			(1<<5)
69 #define DRM_MODE_FLAG_CSYNC			(1<<6)
70 #define DRM_MODE_FLAG_PCSYNC			(1<<7)
71 #define DRM_MODE_FLAG_NCSYNC			(1<<8)
72 #define DRM_MODE_FLAG_HSKEW			(1<<9) /* hskew provided */
73 #define DRM_MODE_FLAG_BCAST			(1<<10) /* deprecated */
74 #define DRM_MODE_FLAG_PIXMUX			(1<<11) /* deprecated */
75 #define DRM_MODE_FLAG_DBLCLK			(1<<12)
76 #define DRM_MODE_FLAG_CLKDIV2			(1<<13)
77  /*
78   * When adding a new stereo mode don't forget to adjust DRM_MODE_FLAGS_3D_MAX
79   * (define not exposed to user space).
80   */
81 #define DRM_MODE_FLAG_3D_MASK			(0x1f<<14)
82 #define  DRM_MODE_FLAG_3D_NONE		(0<<14)
83 #define  DRM_MODE_FLAG_3D_FRAME_PACKING		(1<<14)
84 #define  DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE	(2<<14)
85 #define  DRM_MODE_FLAG_3D_LINE_ALTERNATIVE	(3<<14)
86 #define  DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL	(4<<14)
87 #define  DRM_MODE_FLAG_3D_L_DEPTH		(5<<14)
88 #define  DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH	(6<<14)
89 #define  DRM_MODE_FLAG_3D_TOP_AND_BOTTOM	(7<<14)
90 #define  DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF	(8<<14)
91 
92 /* Picture aspect ratio options */
93 #define DRM_MODE_PICTURE_ASPECT_NONE		0
94 #define DRM_MODE_PICTURE_ASPECT_4_3		1
95 #define DRM_MODE_PICTURE_ASPECT_16_9		2
96 #define DRM_MODE_PICTURE_ASPECT_64_27		3
97 #define DRM_MODE_PICTURE_ASPECT_256_135		4
98 
99 /* Content type options */
100 #define DRM_MODE_CONTENT_TYPE_NO_DATA		0
101 #define DRM_MODE_CONTENT_TYPE_GRAPHICS		1
102 #define DRM_MODE_CONTENT_TYPE_PHOTO		2
103 #define DRM_MODE_CONTENT_TYPE_CINEMA		3
104 #define DRM_MODE_CONTENT_TYPE_GAME		4
105 
106 /* Aspect ratio flag bitmask (4 bits 22:19) */
107 #define DRM_MODE_FLAG_PIC_AR_MASK		(0x0F<<19)
108 #define  DRM_MODE_FLAG_PIC_AR_NONE \
109 			(DRM_MODE_PICTURE_ASPECT_NONE<<19)
110 #define  DRM_MODE_FLAG_PIC_AR_4_3 \
111 			(DRM_MODE_PICTURE_ASPECT_4_3<<19)
112 #define  DRM_MODE_FLAG_PIC_AR_16_9 \
113 			(DRM_MODE_PICTURE_ASPECT_16_9<<19)
114 #define  DRM_MODE_FLAG_PIC_AR_64_27 \
115 			(DRM_MODE_PICTURE_ASPECT_64_27<<19)
116 #define  DRM_MODE_FLAG_PIC_AR_256_135 \
117 			(DRM_MODE_PICTURE_ASPECT_256_135<<19)
118 
119 #define  DRM_MODE_FLAG_ALL	(DRM_MODE_FLAG_PHSYNC |		\
120 				 DRM_MODE_FLAG_NHSYNC |		\
121 				 DRM_MODE_FLAG_PVSYNC |		\
122 				 DRM_MODE_FLAG_NVSYNC |		\
123 				 DRM_MODE_FLAG_INTERLACE |	\
124 				 DRM_MODE_FLAG_DBLSCAN |	\
125 				 DRM_MODE_FLAG_CSYNC |		\
126 				 DRM_MODE_FLAG_PCSYNC |		\
127 				 DRM_MODE_FLAG_NCSYNC |		\
128 				 DRM_MODE_FLAG_HSKEW |		\
129 				 DRM_MODE_FLAG_DBLCLK |		\
130 				 DRM_MODE_FLAG_CLKDIV2 |	\
131 				 DRM_MODE_FLAG_3D_MASK)
132 
133 /* DPMS flags */
134 /* bit compatible with the xorg definitions. */
135 #define DRM_MODE_DPMS_ON	0
136 #define DRM_MODE_DPMS_STANDBY	1
137 #define DRM_MODE_DPMS_SUSPEND	2
138 #define DRM_MODE_DPMS_OFF	3
139 
140 /* Scaling mode options */
141 #define DRM_MODE_SCALE_NONE		0 /* Unmodified timing (display or
142 					     software can still scale) */
143 #define DRM_MODE_SCALE_FULLSCREEN	1 /* Full screen, ignore aspect */
144 #define DRM_MODE_SCALE_CENTER		2 /* Centered, no scaling */
145 #define DRM_MODE_SCALE_ASPECT		3 /* Full screen, preserve aspect */
146 
147 /* Dithering mode options */
148 #define DRM_MODE_DITHERING_OFF	0
149 #define DRM_MODE_DITHERING_ON	1
150 #define DRM_MODE_DITHERING_AUTO 2
151 
152 /* Dirty info options */
153 #define DRM_MODE_DIRTY_OFF      0
154 #define DRM_MODE_DIRTY_ON       1
155 #define DRM_MODE_DIRTY_ANNOTATE 2
156 
157 /* Link Status options */
158 #define DRM_MODE_LINK_STATUS_GOOD	0
159 #define DRM_MODE_LINK_STATUS_BAD	1
160 
161 /*
162  * DRM_MODE_ROTATE_<degrees>
163  *
164  * Signals that a drm plane is been rotated <degrees> degrees in counter
165  * clockwise direction.
166  *
167  * This define is provided as a convenience, looking up the property id
168  * using the name->prop id lookup is the preferred method.
169  */
170 #define DRM_MODE_ROTATE_0       (1<<0)
171 #define DRM_MODE_ROTATE_90      (1<<1)
172 #define DRM_MODE_ROTATE_180     (1<<2)
173 #define DRM_MODE_ROTATE_270     (1<<3)
174 
175 /*
176  * DRM_MODE_ROTATE_MASK
177  *
178  * Bitmask used to look for drm plane rotations.
179  */
180 #define DRM_MODE_ROTATE_MASK (\
181 		DRM_MODE_ROTATE_0  | \
182 		DRM_MODE_ROTATE_90  | \
183 		DRM_MODE_ROTATE_180 | \
184 		DRM_MODE_ROTATE_270)
185 
186 /*
187  * DRM_MODE_REFLECT_<axis>
188  *
189  * Signals that the contents of a drm plane is reflected along the <axis> axis,
190  * in the same way as mirroring.
191  * See kerneldoc chapter "Plane Composition Properties" for more details.
192  *
193  * This define is provided as a convenience, looking up the property id
194  * using the name->prop id lookup is the preferred method.
195  */
196 #define DRM_MODE_REFLECT_X      (1<<4)
197 #define DRM_MODE_REFLECT_Y      (1<<5)
198 
199 /*
200  * DRM_MODE_REFLECT_MASK
201  *
202  * Bitmask used to look for drm plane reflections.
203  */
204 #define DRM_MODE_REFLECT_MASK (\
205 		DRM_MODE_REFLECT_X | \
206 		DRM_MODE_REFLECT_Y)
207 
208 /* Content Protection Flags */
209 #define DRM_MODE_CONTENT_PROTECTION_UNDESIRED	0
210 #define DRM_MODE_CONTENT_PROTECTION_DESIRED     1
211 #define DRM_MODE_CONTENT_PROTECTION_ENABLED     2
212 
213 struct drm_mode_modeinfo {
214 	__u32 clock;
215 	__u16 hdisplay;
216 	__u16 hsync_start;
217 	__u16 hsync_end;
218 	__u16 htotal;
219 	__u16 hskew;
220 	__u16 vdisplay;
221 	__u16 vsync_start;
222 	__u16 vsync_end;
223 	__u16 vtotal;
224 	__u16 vscan;
225 
226 	__u32 vrefresh;
227 
228 	__u32 flags;
229 	__u32 type;
230 	char name[DRM_DISPLAY_MODE_LEN];
231 };
232 
233 struct drm_mode_card_res {
234 	__u64 fb_id_ptr;
235 	__u64 crtc_id_ptr;
236 	__u64 connector_id_ptr;
237 	__u64 encoder_id_ptr;
238 	__u32 count_fbs;
239 	__u32 count_crtcs;
240 	__u32 count_connectors;
241 	__u32 count_encoders;
242 	__u32 min_width;
243 	__u32 max_width;
244 	__u32 min_height;
245 	__u32 max_height;
246 };
247 
248 struct drm_mode_crtc {
249 	__u64 set_connectors_ptr;
250 	__u32 count_connectors;
251 
252 	__u32 crtc_id; /**< Id */
253 	__u32 fb_id; /**< Id of framebuffer */
254 
255 	__u32 x; /**< x Position on the framebuffer */
256 	__u32 y; /**< y Position on the framebuffer */
257 
258 	__u32 gamma_size;
259 	__u32 mode_valid;
260 	struct drm_mode_modeinfo mode;
261 };
262 
263 #define DRM_MODE_PRESENT_TOP_FIELD	(1<<0)
264 #define DRM_MODE_PRESENT_BOTTOM_FIELD	(1<<1)
265 
266 /* Planes blend with or override other bits on the CRTC */
267 struct drm_mode_set_plane {
268 	__u32 plane_id;
269 	__u32 crtc_id;
270 	__u32 fb_id; /* fb object contains surface format type */
271 	__u32 flags; /* see above flags */
272 
273 	/* Signed dest location allows it to be partially off screen */
274 	__s32 crtc_x;
275 	__s32 crtc_y;
276 	__u32 crtc_w;
277 	__u32 crtc_h;
278 
279 	/* Source values are 16.16 fixed point */
280 	__u32 src_x;
281 	__u32 src_y;
282 	__u32 src_h;
283 	__u32 src_w;
284 };
285 
286 struct drm_mode_get_plane {
287 	__u32 plane_id;
288 
289 	__u32 crtc_id;
290 	__u32 fb_id;
291 
292 	__u32 possible_crtcs;
293 	__u32 gamma_size;
294 
295 	__u32 count_format_types;
296 	__u64 format_type_ptr;
297 };
298 
299 struct drm_mode_get_plane_res {
300 	__u64 plane_id_ptr;
301 	__u32 count_planes;
302 };
303 
304 #define DRM_MODE_ENCODER_NONE	0
305 #define DRM_MODE_ENCODER_DAC	1
306 #define DRM_MODE_ENCODER_TMDS	2
307 #define DRM_MODE_ENCODER_LVDS	3
308 #define DRM_MODE_ENCODER_TVDAC	4
309 #define DRM_MODE_ENCODER_VIRTUAL 5
310 #define DRM_MODE_ENCODER_DSI	6
311 #define DRM_MODE_ENCODER_DPMST	7
312 #define DRM_MODE_ENCODER_DPI	8
313 
314 struct drm_mode_get_encoder {
315 	__u32 encoder_id;
316 	__u32 encoder_type;
317 
318 	__u32 crtc_id; /**< Id of crtc */
319 
320 	__u32 possible_crtcs;
321 	__u32 possible_clones;
322 };
323 
324 /* This is for connectors with multiple signal types. */
325 /* Try to match DRM_MODE_CONNECTOR_X as closely as possible. */
326 enum drm_mode_subconnector {
327 	DRM_MODE_SUBCONNECTOR_Automatic = 0,
328 	DRM_MODE_SUBCONNECTOR_Unknown = 0,
329 	DRM_MODE_SUBCONNECTOR_DVID = 3,
330 	DRM_MODE_SUBCONNECTOR_DVIA = 4,
331 	DRM_MODE_SUBCONNECTOR_Composite = 5,
332 	DRM_MODE_SUBCONNECTOR_SVIDEO = 6,
333 	DRM_MODE_SUBCONNECTOR_Component = 8,
334 	DRM_MODE_SUBCONNECTOR_SCART = 9,
335 };
336 
337 #define DRM_MODE_CONNECTOR_Unknown	0
338 #define DRM_MODE_CONNECTOR_VGA		1
339 #define DRM_MODE_CONNECTOR_DVII		2
340 #define DRM_MODE_CONNECTOR_DVID		3
341 #define DRM_MODE_CONNECTOR_DVIA		4
342 #define DRM_MODE_CONNECTOR_Composite	5
343 #define DRM_MODE_CONNECTOR_SVIDEO	6
344 #define DRM_MODE_CONNECTOR_LVDS		7
345 #define DRM_MODE_CONNECTOR_Component	8
346 #define DRM_MODE_CONNECTOR_9PinDIN	9
347 #define DRM_MODE_CONNECTOR_DisplayPort	10
348 #define DRM_MODE_CONNECTOR_HDMIA	11
349 #define DRM_MODE_CONNECTOR_HDMIB	12
350 #define DRM_MODE_CONNECTOR_TV		13
351 #define DRM_MODE_CONNECTOR_eDP		14
352 #define DRM_MODE_CONNECTOR_VIRTUAL      15
353 #define DRM_MODE_CONNECTOR_DSI		16
354 #define DRM_MODE_CONNECTOR_DPI		17
355 #define DRM_MODE_CONNECTOR_WRITEBACK	18
356 
357 struct drm_mode_get_connector {
358 
359 	__u64 encoders_ptr;
360 	__u64 modes_ptr;
361 	__u64 props_ptr;
362 	__u64 prop_values_ptr;
363 
364 	__u32 count_modes;
365 	__u32 count_props;
366 	__u32 count_encoders;
367 
368 	__u32 encoder_id; /**< Current Encoder */
369 	__u32 connector_id; /**< Id */
370 	__u32 connector_type;
371 	__u32 connector_type_id;
372 
373 	__u32 connection;
374 	__u32 mm_width;  /**< width in millimeters */
375 	__u32 mm_height; /**< height in millimeters */
376 	__u32 subpixel;
377 
378 	__u32 pad;
379 };
380 
381 #define DRM_MODE_PROP_PENDING	(1<<0) /* deprecated, do not use */
382 #define DRM_MODE_PROP_RANGE	(1<<1)
383 #define DRM_MODE_PROP_IMMUTABLE	(1<<2)
384 #define DRM_MODE_PROP_ENUM	(1<<3) /* enumerated type with text strings */
385 #define DRM_MODE_PROP_BLOB	(1<<4)
386 #define DRM_MODE_PROP_BITMASK	(1<<5) /* bitmask of enumerated types */
387 
388 /* non-extended types: legacy bitmask, one bit per type: */
389 #define DRM_MODE_PROP_LEGACY_TYPE  ( \
390 		DRM_MODE_PROP_RANGE | \
391 		DRM_MODE_PROP_ENUM | \
392 		DRM_MODE_PROP_BLOB | \
393 		DRM_MODE_PROP_BITMASK)
394 
395 /* extended-types: rather than continue to consume a bit per type,
396  * grab a chunk of the bits to use as integer type id.
397  */
398 #define DRM_MODE_PROP_EXTENDED_TYPE	0x0000ffc0
399 #define DRM_MODE_PROP_TYPE(n)		((n) << 6)
400 #define DRM_MODE_PROP_OBJECT		DRM_MODE_PROP_TYPE(1)
401 #define DRM_MODE_PROP_SIGNED_RANGE	DRM_MODE_PROP_TYPE(2)
402 
403 /* the PROP_ATOMIC flag is used to hide properties from userspace that
404  * is not aware of atomic properties.  This is mostly to work around
405  * older userspace (DDX drivers) that read/write each prop they find,
406  * witout being aware that this could be triggering a lengthy modeset.
407  */
408 #define DRM_MODE_PROP_ATOMIC        0x80000000
409 
410 struct drm_mode_property_enum {
411 	__u64 value;
412 	char name[DRM_PROP_NAME_LEN];
413 };
414 
415 struct drm_mode_get_property {
416 	__u64 values_ptr; /* values and blob lengths */
417 	__u64 enum_blob_ptr; /* enum and blob id ptrs */
418 
419 	__u32 prop_id;
420 	__u32 flags;
421 	char name[DRM_PROP_NAME_LEN];
422 
423 	__u32 count_values;
424 	/* This is only used to count enum values, not blobs. The _blobs is
425 	 * simply because of a historical reason, i.e. backwards compat. */
426 	__u32 count_enum_blobs;
427 };
428 
429 struct drm_mode_connector_set_property {
430 	__u64 value;
431 	__u32 prop_id;
432 	__u32 connector_id;
433 };
434 
435 #define DRM_MODE_OBJECT_CRTC 0xcccccccc
436 #define DRM_MODE_OBJECT_CONNECTOR 0xc0c0c0c0
437 #define DRM_MODE_OBJECT_ENCODER 0xe0e0e0e0
438 #define DRM_MODE_OBJECT_MODE 0xdededede
439 #define DRM_MODE_OBJECT_PROPERTY 0xb0b0b0b0
440 #define DRM_MODE_OBJECT_FB 0xfbfbfbfb
441 #define DRM_MODE_OBJECT_BLOB 0xbbbbbbbb
442 #define DRM_MODE_OBJECT_PLANE 0xeeeeeeee
443 #define DRM_MODE_OBJECT_ANY 0
444 
445 struct drm_mode_obj_get_properties {
446 	__u64 props_ptr;
447 	__u64 prop_values_ptr;
448 	__u32 count_props;
449 	__u32 obj_id;
450 	__u32 obj_type;
451 };
452 
453 struct drm_mode_obj_set_property {
454 	__u64 value;
455 	__u32 prop_id;
456 	__u32 obj_id;
457 	__u32 obj_type;
458 };
459 
460 struct drm_mode_get_blob {
461 	__u32 blob_id;
462 	__u32 length;
463 	__u64 data;
464 };
465 
466 struct drm_mode_fb_cmd {
467 	__u32 fb_id;
468 	__u32 width;
469 	__u32 height;
470 	__u32 pitch;
471 	__u32 bpp;
472 	__u32 depth;
473 	/* driver specific handle */
474 	__u32 handle;
475 };
476 
477 #define DRM_MODE_FB_INTERLACED	(1<<0) /* for interlaced framebuffers */
478 #define DRM_MODE_FB_MODIFIERS	(1<<1) /* enables ->modifer[] */
479 
480 struct drm_mode_fb_cmd2 {
481 	__u32 fb_id;
482 	__u32 width;
483 	__u32 height;
484 	__u32 pixel_format; /* fourcc code from drm_fourcc.h */
485 	__u32 flags; /* see above flags */
486 
487 	/*
488 	 * In case of planar formats, this ioctl allows up to 4
489 	 * buffer objects with offsets and pitches per plane.
490 	 * The pitch and offset order is dictated by the fourcc,
491 	 * e.g. NV12 (http://fourcc.org/yuv.php#NV12) is described as:
492 	 *
493 	 *   YUV 4:2:0 image with a plane of 8 bit Y samples
494 	 *   followed by an interleaved U/V plane containing
495 	 *   8 bit 2x2 subsampled colour difference samples.
496 	 *
497 	 * So it would consist of Y as offsets[0] and UV as
498 	 * offsets[1].  Note that offsets[0] will generally
499 	 * be 0 (but this is not required).
500 	 *
501 	 * To accommodate tiled, compressed, etc formats, a
502 	 * modifier can be specified.  The default value of zero
503 	 * indicates "native" format as specified by the fourcc.
504 	 * Vendor specific modifier token.  Note that even though
505 	 * it looks like we have a modifier per-plane, we in fact
506 	 * do not. The modifier for each plane must be identical.
507 	 * Thus all combinations of different data layouts for
508 	 * multi plane formats must be enumerated as separate
509 	 * modifiers.
510 	 */
511 	__u32 handles[4];
512 	__u32 pitches[4]; /* pitch for each plane */
513 	__u32 offsets[4]; /* offset of each plane */
514 	__u64 modifier[4]; /* ie, tiling, compress */
515 };
516 
517 #define DRM_MODE_FB_DIRTY_ANNOTATE_COPY 0x01
518 #define DRM_MODE_FB_DIRTY_ANNOTATE_FILL 0x02
519 #define DRM_MODE_FB_DIRTY_FLAGS         0x03
520 
521 #define DRM_MODE_FB_DIRTY_MAX_CLIPS     256
522 
523 /*
524  * Mark a region of a framebuffer as dirty.
525  *
526  * Some hardware does not automatically update display contents
527  * as a hardware or software draw to a framebuffer. This ioctl
528  * allows userspace to tell the kernel and the hardware what
529  * regions of the framebuffer have changed.
530  *
531  * The kernel or hardware is free to update more then just the
532  * region specified by the clip rects. The kernel or hardware
533  * may also delay and/or coalesce several calls to dirty into a
534  * single update.
535  *
536  * Userspace may annotate the updates, the annotates are a
537  * promise made by the caller that the change is either a copy
538  * of pixels or a fill of a single color in the region specified.
539  *
540  * If the DRM_MODE_FB_DIRTY_ANNOTATE_COPY flag is given then
541  * the number of updated regions are half of num_clips given,
542  * where the clip rects are paired in src and dst. The width and
543  * height of each one of the pairs must match.
544  *
545  * If the DRM_MODE_FB_DIRTY_ANNOTATE_FILL flag is given the caller
546  * promises that the region specified of the clip rects is filled
547  * completely with a single color as given in the color argument.
548  */
549 
550 struct drm_mode_fb_dirty_cmd {
551 	__u32 fb_id;
552 	__u32 flags;
553 	__u32 color;
554 	__u32 num_clips;
555 	__u64 clips_ptr;
556 };
557 
558 struct drm_mode_mode_cmd {
559 	__u32 connector_id;
560 	struct drm_mode_modeinfo mode;
561 };
562 
563 #define DRM_MODE_CURSOR_BO	0x01
564 #define DRM_MODE_CURSOR_MOVE	0x02
565 #define DRM_MODE_CURSOR_FLAGS	0x03
566 
567 /*
568  * depending on the value in flags different members are used.
569  *
570  * CURSOR_BO uses
571  *    crtc_id
572  *    width
573  *    height
574  *    handle - if 0 turns the cursor off
575  *
576  * CURSOR_MOVE uses
577  *    crtc_id
578  *    x
579  *    y
580  */
581 struct drm_mode_cursor {
582 	__u32 flags;
583 	__u32 crtc_id;
584 	__s32 x;
585 	__s32 y;
586 	__u32 width;
587 	__u32 height;
588 	/* driver specific handle */
589 	__u32 handle;
590 };
591 
592 struct drm_mode_cursor2 {
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 	__s32 hot_x;
602 	__s32 hot_y;
603 };
604 
605 struct drm_mode_crtc_lut {
606 	__u32 crtc_id;
607 	__u32 gamma_size;
608 
609 	/* pointers to arrays */
610 	__u64 red;
611 	__u64 green;
612 	__u64 blue;
613 };
614 
615 struct drm_color_ctm {
616 	/*
617 	 * Conversion matrix in S31.32 sign-magnitude
618 	 * (not two's complement!) format.
619 	 */
620 	__u64 matrix[9];
621 };
622 
623 struct drm_color_lut {
624 	/*
625 	 * Data is U0.16 fixed point format.
626 	 */
627 	__u16 red;
628 	__u16 green;
629 	__u16 blue;
630 	__u16 reserved;
631 };
632 
633 #define DRM_MODE_PAGE_FLIP_EVENT 0x01
634 #define DRM_MODE_PAGE_FLIP_ASYNC 0x02
635 #define DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE 0x4
636 #define DRM_MODE_PAGE_FLIP_TARGET_RELATIVE 0x8
637 #define DRM_MODE_PAGE_FLIP_TARGET (DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE | \
638 				   DRM_MODE_PAGE_FLIP_TARGET_RELATIVE)
639 #define DRM_MODE_PAGE_FLIP_FLAGS (DRM_MODE_PAGE_FLIP_EVENT | \
640 				  DRM_MODE_PAGE_FLIP_ASYNC | \
641 				  DRM_MODE_PAGE_FLIP_TARGET)
642 
643 /*
644  * Request a page flip on the specified crtc.
645  *
646  * This ioctl will ask KMS to schedule a page flip for the specified
647  * crtc.  Once any pending rendering targeting the specified fb (as of
648  * ioctl time) has completed, the crtc will be reprogrammed to display
649  * that fb after the next vertical refresh.  The ioctl returns
650  * immediately, but subsequent rendering to the current fb will block
651  * in the execbuffer ioctl until the page flip happens.  If a page
652  * flip is already pending as the ioctl is called, EBUSY will be
653  * returned.
654  *
655  * Flag DRM_MODE_PAGE_FLIP_EVENT requests that drm sends back a vblank
656  * event (see drm.h: struct drm_event_vblank) when the page flip is
657  * done.  The user_data field passed in with this ioctl will be
658  * returned as the user_data field in the vblank event struct.
659  *
660  * Flag DRM_MODE_PAGE_FLIP_ASYNC requests that the flip happen
661  * 'as soon as possible', meaning that it not delay waiting for vblank.
662  * This may cause tearing on the screen.
663  *
664  * The reserved field must be zero.
665  */
666 
667 struct drm_mode_crtc_page_flip {
668 	__u32 crtc_id;
669 	__u32 fb_id;
670 	__u32 flags;
671 	__u32 reserved;
672 	__u64 user_data;
673 };
674 
675 /*
676  * Request a page flip on the specified crtc.
677  *
678  * Same as struct drm_mode_crtc_page_flip, but supports new flags and
679  * re-purposes the reserved field:
680  *
681  * The sequence field must be zero unless either of the
682  * DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE/RELATIVE flags is specified. When
683  * the ABSOLUTE flag is specified, the sequence field denotes the absolute
684  * vblank sequence when the flip should take effect. When the RELATIVE
685  * flag is specified, the sequence field denotes the relative (to the
686  * current one when the ioctl is called) vblank sequence when the flip
687  * should take effect. NOTE: DRM_IOCTL_WAIT_VBLANK must still be used to
688  * make sure the vblank sequence before the target one has passed before
689  * calling this ioctl. The purpose of the
690  * DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE/RELATIVE flags is merely to clarify
691  * the target for when code dealing with a page flip runs during a
692  * vertical blank period.
693  */
694 
695 struct drm_mode_crtc_page_flip_target {
696 	__u32 crtc_id;
697 	__u32 fb_id;
698 	__u32 flags;
699 	__u32 sequence;
700 	__u64 user_data;
701 };
702 
703 /* create a dumb scanout buffer */
704 struct drm_mode_create_dumb {
705 	__u32 height;
706 	__u32 width;
707 	__u32 bpp;
708 	__u32 flags;
709 	/* handle, pitch, size will be returned */
710 	__u32 handle;
711 	__u32 pitch;
712 	__u64 size;
713 };
714 
715 /* set up for mmap of a dumb scanout buffer */
716 struct drm_mode_map_dumb {
717 	/** Handle for the object being mapped. */
718 	__u32 handle;
719 	__u32 pad;
720 	/**
721 	 * Fake offset to use for subsequent mmap call
722 	 *
723 	 * This is a fixed-size type for 32/64 compatibility.
724 	 */
725 	__u64 offset;
726 };
727 
728 struct drm_mode_destroy_dumb {
729 	__u32 handle;
730 };
731 
732 /* page-flip flags are valid, plus: */
733 #define DRM_MODE_ATOMIC_TEST_ONLY 0x0100
734 #define DRM_MODE_ATOMIC_NONBLOCK  0x0200
735 #define DRM_MODE_ATOMIC_ALLOW_MODESET 0x0400
736 
737 #define DRM_MODE_ATOMIC_FLAGS (\
738 		DRM_MODE_PAGE_FLIP_EVENT |\
739 		DRM_MODE_PAGE_FLIP_ASYNC |\
740 		DRM_MODE_ATOMIC_TEST_ONLY |\
741 		DRM_MODE_ATOMIC_NONBLOCK |\
742 		DRM_MODE_ATOMIC_ALLOW_MODESET)
743 
744 struct drm_mode_atomic {
745 	__u32 flags;
746 	__u32 count_objs;
747 	__u64 objs_ptr;
748 	__u64 count_props_ptr;
749 	__u64 props_ptr;
750 	__u64 prop_values_ptr;
751 	__u64 reserved;
752 	__u64 user_data;
753 };
754 
755 struct drm_format_modifier_blob {
756 #define FORMAT_BLOB_CURRENT 1
757 	/* Version of this blob format */
758 	__u32 version;
759 
760 	/* Flags */
761 	__u32 flags;
762 
763 	/* Number of fourcc formats supported */
764 	__u32 count_formats;
765 
766 	/* Where in this blob the formats exist (in bytes) */
767 	__u32 formats_offset;
768 
769 	/* Number of drm_format_modifiers */
770 	__u32 count_modifiers;
771 
772 	/* Where in this blob the modifiers exist (in bytes) */
773 	__u32 modifiers_offset;
774 
775 	/* __u32 formats[] */
776 	/* struct drm_format_modifier modifiers[] */
777 };
778 
779 struct drm_format_modifier {
780 	/* Bitmask of formats in get_plane format list this info applies to. The
781 	 * offset allows a sliding window of which 64 formats (bits).
782 	 *
783 	 * Some examples:
784 	 * In today's world with < 65 formats, and formats 0, and 2 are
785 	 * supported
786 	 * 0x0000000000000005
787 	 *		  ^-offset = 0, formats = 5
788 	 *
789 	 * If the number formats grew to 128, and formats 98-102 are
790 	 * supported with the modifier:
791 	 *
792 	 * 0x0000007c00000000 0000000000000000
793 	 *		  ^
794 	 *		  |__offset = 64, formats = 0x7c00000000
795 	 *
796 	 */
797 	__u64 formats;
798 	__u32 offset;
799 	__u32 pad;
800 
801 	/* The modifier that applies to the >get_plane format list bitmask. */
802 	__u64 modifier;
803 };
804 
805 /**
806  * Create a new 'blob' data property, copying length bytes from data pointer,
807  * and returning new blob ID.
808  */
809 struct drm_mode_create_blob {
810 	/** Pointer to data to copy. */
811 	__u64 data;
812 	/** Length of data to copy. */
813 	__u32 length;
814 	/** Return: new property ID. */
815 	__u32 blob_id;
816 };
817 
818 /**
819  * Destroy a user-created blob property.
820  */
821 struct drm_mode_destroy_blob {
822 	__u32 blob_id;
823 };
824 
825 /**
826  * Lease mode resources, creating another drm_master.
827  */
828 struct drm_mode_create_lease {
829 	/** Pointer to array of object ids (__u32) */
830 	__u64 object_ids;
831 	/** Number of object ids */
832 	__u32 object_count;
833 	/** flags for new FD (O_CLOEXEC, etc) */
834 	__u32 flags;
835 
836 	/** Return: unique identifier for lessee. */
837 	__u32 lessee_id;
838 	/** Return: file descriptor to new drm_master file */
839 	__u32 fd;
840 };
841 
842 /**
843  * List lesses from a drm_master
844  */
845 struct drm_mode_list_lessees {
846 	/** Number of lessees.
847 	 * On input, provides length of the array.
848 	 * On output, provides total number. No
849 	 * more than the input number will be written
850 	 * back, so two calls can be used to get
851 	 * the size and then the data.
852 	 */
853 	__u32 count_lessees;
854 	__u32 pad;
855 
856 	/** Pointer to lessees.
857 	 * pointer to __u64 array of lessee ids
858 	 */
859 	__u64 lessees_ptr;
860 };
861 
862 /**
863  * Get leased objects
864  */
865 struct drm_mode_get_lease {
866 	/** Number of leased objects.
867 	 * On input, provides length of the array.
868 	 * On output, provides total number. No
869 	 * more than the input number will be written
870 	 * back, so two calls can be used to get
871 	 * the size and then the data.
872 	 */
873 	__u32 count_objects;
874 	__u32 pad;
875 
876 	/** Pointer to objects.
877 	 * pointer to __u32 array of object ids
878 	 */
879 	__u64 objects_ptr;
880 };
881 
882 /**
883  * Revoke lease
884  */
885 struct drm_mode_revoke_lease {
886 	/** Unique ID of lessee
887 	 */
888 	__u32 lessee_id;
889 };
890 
891 /**
892  * struct drm_mode_rect - Two dimensional rectangle.
893  * @x1: Horizontal starting coordinate (inclusive).
894  * @y1: Vertical starting coordinate (inclusive).
895  * @x2: Horizontal ending coordinate (exclusive).
896  * @y2: Vertical ending coordinate (exclusive).
897  *
898  * With drm subsystem using struct drm_rect to manage rectangular area this
899  * export it to user-space.
900  *
901  * Currently used by drm_mode_atomic blob property FB_DAMAGE_CLIPS.
902  */
903 struct drm_mode_rect {
904 	__s32 x1;
905 	__s32 y1;
906 	__s32 x2;
907 	__s32 y2;
908 };
909 
910 #if defined(__cplusplus)
911 }
912 #endif
913 
914 #endif
915