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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 #define DRM_DISPLAY_INFO_LEN	32
31 #define DRM_CONNECTOR_NAME_LEN	32
32 #define DRM_DISPLAY_MODE_LEN	32
33 #define DRM_PROP_NAME_LEN	32
34 
35 #define DRM_MODE_TYPE_BUILTIN	(1<<0)
36 #define DRM_MODE_TYPE_CLOCK_C	((1<<1) | DRM_MODE_TYPE_BUILTIN)
37 #define DRM_MODE_TYPE_CRTC_C	((1<<2) | DRM_MODE_TYPE_BUILTIN)
38 #define DRM_MODE_TYPE_PREFERRED	(1<<3)
39 #define DRM_MODE_TYPE_DEFAULT	(1<<4)
40 #define DRM_MODE_TYPE_USERDEF	(1<<5)
41 #define DRM_MODE_TYPE_DRIVER	(1<<6)
42 
43 /* Video mode flags */
44 /* bit compatible with the xorg definitions. */
45 #define DRM_MODE_FLAG_PHSYNC			(1<<0)
46 #define DRM_MODE_FLAG_NHSYNC			(1<<1)
47 #define DRM_MODE_FLAG_PVSYNC			(1<<2)
48 #define DRM_MODE_FLAG_NVSYNC			(1<<3)
49 #define DRM_MODE_FLAG_INTERLACE			(1<<4)
50 #define DRM_MODE_FLAG_DBLSCAN			(1<<5)
51 #define DRM_MODE_FLAG_CSYNC			(1<<6)
52 #define DRM_MODE_FLAG_PCSYNC			(1<<7)
53 #define DRM_MODE_FLAG_NCSYNC			(1<<8)
54 #define DRM_MODE_FLAG_HSKEW			(1<<9) /* hskew provided */
55 #define DRM_MODE_FLAG_BCAST			(1<<10)
56 #define DRM_MODE_FLAG_PIXMUX			(1<<11)
57 #define DRM_MODE_FLAG_DBLCLK			(1<<12)
58 #define DRM_MODE_FLAG_CLKDIV2			(1<<13)
59 #define DRM_MODE_FLAG_3D_MASK			(0x1f<<14)
60 #define  DRM_MODE_FLAG_3D_NONE			(0<<14)
61 #define  DRM_MODE_FLAG_3D_FRAME_PACKING		(1<<14)
62 #define  DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE	(2<<14)
63 #define  DRM_MODE_FLAG_3D_LINE_ALTERNATIVE	(3<<14)
64 #define  DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL	(4<<14)
65 #define  DRM_MODE_FLAG_3D_L_DEPTH		(5<<14)
66 #define  DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH	(6<<14)
67 #define  DRM_MODE_FLAG_3D_TOP_AND_BOTTOM	(7<<14)
68 #define  DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF	(8<<14)
69 
70 
71 /* DPMS flags */
72 /* bit compatible with the xorg definitions. */
73 #define DRM_MODE_DPMS_ON	0
74 #define DRM_MODE_DPMS_STANDBY	1
75 #define DRM_MODE_DPMS_SUSPEND	2
76 #define DRM_MODE_DPMS_OFF	3
77 
78 /* Scaling mode options */
79 #define DRM_MODE_SCALE_NONE		0 /* Unmodified timing (display or
80 					     software can still scale) */
81 #define DRM_MODE_SCALE_FULLSCREEN	1 /* Full screen, ignore aspect */
82 #define DRM_MODE_SCALE_CENTER		2 /* Centered, no scaling */
83 #define DRM_MODE_SCALE_ASPECT		3 /* Full screen, preserve aspect */
84 
85 /* Dithering mode options */
86 #define DRM_MODE_DITHERING_OFF	0
87 #define DRM_MODE_DITHERING_ON	1
88 #define DRM_MODE_DITHERING_AUTO 2
89 
90 /* Dirty info options */
91 #define DRM_MODE_DIRTY_OFF      0
92 #define DRM_MODE_DIRTY_ON       1
93 #define DRM_MODE_DIRTY_ANNOTATE 2
94 
95 /* rotation property bits */
96 #define DRM_ROTATE_0	0
97 #define DRM_ROTATE_90	1
98 #define DRM_ROTATE_180	2
99 #define DRM_ROTATE_270	3
100 #define DRM_REFLECT_X	4
101 #define DRM_REFLECT_Y	5
102 
103 struct drm_mode_modeinfo {
104 	__u32 clock;
105 	__u16 hdisplay, hsync_start, hsync_end, htotal, hskew;
106 	__u16 vdisplay, vsync_start, vsync_end, vtotal, vscan;
107 
108 	__u32 vrefresh;
109 
110 	__u32 flags;
111 	__u32 type;
112 	char name[DRM_DISPLAY_MODE_LEN];
113 };
114 
115 struct drm_mode_card_res {
116 	__u64 fb_id_ptr;
117 	__u64 crtc_id_ptr;
118 	__u64 connector_id_ptr;
119 	__u64 encoder_id_ptr;
120 	__u32 count_fbs;
121 	__u32 count_crtcs;
122 	__u32 count_connectors;
123 	__u32 count_encoders;
124 	__u32 min_width, max_width;
125 	__u32 min_height, max_height;
126 };
127 
128 struct drm_mode_crtc {
129 	__u64 set_connectors_ptr;
130 	__u32 count_connectors;
131 
132 	__u32 crtc_id; /**< Id */
133 	__u32 fb_id; /**< Id of framebuffer */
134 
135 	__u32 x, y; /**< Position on the frameuffer */
136 
137 	__u32 gamma_size;
138 	__u32 mode_valid;
139 	struct drm_mode_modeinfo mode;
140 };
141 
142 #define DRM_MODE_PRESENT_TOP_FIELD     (1<<0)
143 #define DRM_MODE_PRESENT_BOTTOM_FIELD  (1<<1)
144 
145 /* Planes blend with or override other bits on the CRTC */
146 struct drm_mode_set_plane {
147 	__u32 plane_id;
148 	__u32 crtc_id;
149 	__u32 fb_id; /* fb object contains surface format type */
150 	__u32 flags;
151 
152 	/* Signed dest location allows it to be partially off screen */
153 	__s32 crtc_x, crtc_y;
154 	__u32 crtc_w, crtc_h;
155 
156 	/* Source values are 16.16 fixed point */
157 	__u32 src_x, src_y;
158 	__u32 src_h, src_w;
159 };
160 
161 struct drm_mode_get_plane {
162 	__u32 plane_id;
163 
164 	__u32 crtc_id;
165 	__u32 fb_id;
166 
167 	__u32 possible_crtcs;
168 	__u32 gamma_size;
169 
170 	__u32 count_format_types;
171 	__u64 format_type_ptr;
172 };
173 
174 struct drm_mode_get_plane_res {
175 	__u64 plane_id_ptr;
176 	__u32 count_planes;
177 };
178 
179 #define DRM_MODE_ENCODER_NONE	0
180 #define DRM_MODE_ENCODER_DAC	1
181 #define DRM_MODE_ENCODER_TMDS	2
182 #define DRM_MODE_ENCODER_LVDS	3
183 #define DRM_MODE_ENCODER_TVDAC	4
184 #define DRM_MODE_ENCODER_VIRTUAL 5
185 #define DRM_MODE_ENCODER_DSI	6
186 #define DRM_MODE_ENCODER_DPMST	7
187 
188 struct drm_mode_get_encoder {
189 	__u32 encoder_id;
190 	__u32 encoder_type;
191 
192 	__u32 crtc_id; /**< Id of crtc */
193 
194 	__u32 possible_crtcs;
195 	__u32 possible_clones;
196 };
197 
198 /* This is for connectors with multiple signal types. */
199 /* Try to match DRM_MODE_CONNECTOR_X as closely as possible. */
200 #define DRM_MODE_SUBCONNECTOR_Automatic	0
201 #define DRM_MODE_SUBCONNECTOR_Unknown	0
202 #define DRM_MODE_SUBCONNECTOR_DVID	3
203 #define DRM_MODE_SUBCONNECTOR_DVIA	4
204 #define DRM_MODE_SUBCONNECTOR_Composite	5
205 #define DRM_MODE_SUBCONNECTOR_SVIDEO	6
206 #define DRM_MODE_SUBCONNECTOR_Component	8
207 #define DRM_MODE_SUBCONNECTOR_SCART	9
208 
209 #define DRM_MODE_CONNECTOR_Unknown	0
210 #define DRM_MODE_CONNECTOR_VGA		1
211 #define DRM_MODE_CONNECTOR_DVII		2
212 #define DRM_MODE_CONNECTOR_DVID		3
213 #define DRM_MODE_CONNECTOR_DVIA		4
214 #define DRM_MODE_CONNECTOR_Composite	5
215 #define DRM_MODE_CONNECTOR_SVIDEO	6
216 #define DRM_MODE_CONNECTOR_LVDS		7
217 #define DRM_MODE_CONNECTOR_Component	8
218 #define DRM_MODE_CONNECTOR_9PinDIN	9
219 #define DRM_MODE_CONNECTOR_DisplayPort	10
220 #define DRM_MODE_CONNECTOR_HDMIA	11
221 #define DRM_MODE_CONNECTOR_HDMIB	12
222 #define DRM_MODE_CONNECTOR_TV		13
223 #define DRM_MODE_CONNECTOR_eDP		14
224 #define DRM_MODE_CONNECTOR_VIRTUAL      15
225 #define DRM_MODE_CONNECTOR_DSI		16
226 
227 struct drm_mode_get_connector {
228 
229 	__u64 encoders_ptr;
230 	__u64 modes_ptr;
231 	__u64 props_ptr;
232 	__u64 prop_values_ptr;
233 
234 	__u32 count_modes;
235 	__u32 count_props;
236 	__u32 count_encoders;
237 
238 	__u32 encoder_id; /**< Current Encoder */
239 	__u32 connector_id; /**< Id */
240 	__u32 connector_type;
241 	__u32 connector_type_id;
242 
243 	__u32 connection;
244 	__u32 mm_width, mm_height; /**< HxW in millimeters */
245 	__u32 subpixel;
246 };
247 
248 #define DRM_MODE_PROP_PENDING	(1<<0)
249 #define DRM_MODE_PROP_RANGE	(1<<1)
250 #define DRM_MODE_PROP_IMMUTABLE	(1<<2)
251 #define DRM_MODE_PROP_ENUM	(1<<3) /* enumerated type with text strings */
252 #define DRM_MODE_PROP_BLOB	(1<<4)
253 #define DRM_MODE_PROP_BITMASK	(1<<5) /* bitmask of enumerated types */
254 
255 /* non-extended types: legacy bitmask, one bit per type: */
256 #define DRM_MODE_PROP_LEGACY_TYPE  ( \
257 		DRM_MODE_PROP_RANGE | \
258 		DRM_MODE_PROP_ENUM | \
259 		DRM_MODE_PROP_BLOB | \
260 		DRM_MODE_PROP_BITMASK)
261 
262 /* extended-types: rather than continue to consume a bit per type,
263  * grab a chunk of the bits to use as integer type id.
264  */
265 #define DRM_MODE_PROP_EXTENDED_TYPE	0x0000ffc0
266 #define DRM_MODE_PROP_TYPE(n)		((n) << 6)
267 #define DRM_MODE_PROP_OBJECT		DRM_MODE_PROP_TYPE(1)
268 #define DRM_MODE_PROP_SIGNED_RANGE	DRM_MODE_PROP_TYPE(2)
269 
270 /* the PROP_ATOMIC flag is used to hide properties from userspace that
271  * is not aware of atomic properties.  This is mostly to work around
272  * older userspace (DDX drivers) that read/write each prop they find,
273  * witout being aware that this could be triggering a lengthy modeset.
274  */
275 #define DRM_MODE_PROP_ATOMIC        0x80000000
276 
277 struct drm_mode_property_enum {
278 	__u64 value;
279 	char name[DRM_PROP_NAME_LEN];
280 };
281 
282 struct drm_mode_get_property {
283 	__u64 values_ptr; /* values and blob lengths */
284 	__u64 enum_blob_ptr; /* enum and blob id ptrs */
285 
286 	__u32 prop_id;
287 	__u32 flags;
288 	char name[DRM_PROP_NAME_LEN];
289 
290 	__u32 count_values;
291 	__u32 count_enum_blobs;
292 };
293 
294 struct drm_mode_connector_set_property {
295 	__u64 value;
296 	__u32 prop_id;
297 	__u32 connector_id;
298 };
299 
300 #define DRM_MODE_OBJECT_CRTC 0xcccccccc
301 #define DRM_MODE_OBJECT_CONNECTOR 0xc0c0c0c0
302 #define DRM_MODE_OBJECT_ENCODER 0xe0e0e0e0
303 #define DRM_MODE_OBJECT_MODE 0xdededede
304 #define DRM_MODE_OBJECT_PROPERTY 0xb0b0b0b0
305 #define DRM_MODE_OBJECT_FB 0xfbfbfbfb
306 #define DRM_MODE_OBJECT_BLOB 0xbbbbbbbb
307 #define DRM_MODE_OBJECT_PLANE 0xeeeeeeee
308 
309 struct drm_mode_obj_get_properties {
310 	__u64 props_ptr;
311 	__u64 prop_values_ptr;
312 	__u32 count_props;
313 	__u32 obj_id;
314 	__u32 obj_type;
315 };
316 
317 struct drm_mode_obj_set_property {
318 	__u64 value;
319 	__u32 prop_id;
320 	__u32 obj_id;
321 	__u32 obj_type;
322 };
323 
324 struct drm_mode_get_blob {
325 	__u32 blob_id;
326 	__u32 length;
327 	__u64 data;
328 };
329 
330 struct drm_mode_fb_cmd {
331 	__u32 fb_id;
332 	__u32 width, height;
333 	__u32 pitch;
334 	__u32 bpp;
335 	__u32 depth;
336 	/* driver specific handle */
337 	__u32 handle;
338 };
339 
340 #define DRM_MODE_FB_INTERLACED (1<<0) /* for interlaced framebuffers */
341 
342 struct drm_mode_fb_cmd2 {
343 	__u32 fb_id;
344 	__u32 width, height;
345 	__u32 pixel_format; /* fourcc code from drm_fourcc.h */
346 	__u32 flags;
347 
348 	/*
349 	 * In case of planar formats, this ioctl allows up to 4
350 	 * buffer objects with offsets and pitches per plane.
351 	 * The pitch and offset order is dictated by the fourcc,
352 	 * e.g. NV12 (http://fourcc.org/yuv.php#NV12) is described as:
353 	 *
354 	 *   YUV 4:2:0 image with a plane of 8 bit Y samples
355 	 *   followed by an interleaved U/V plane containing
356 	 *   8 bit 2x2 subsampled colour difference samples.
357 	 *
358 	 * So it would consist of Y as offset[0] and UV as
359 	 * offset[1].  Note that offset[0] will generally
360 	 * be 0.
361 	 */
362 	__u32 handles[4];
363 	__u32 pitches[4]; /* pitch for each plane */
364 	__u32 offsets[4]; /* offset of each plane */
365 };
366 
367 #define DRM_MODE_FB_DIRTY_ANNOTATE_COPY 0x01
368 #define DRM_MODE_FB_DIRTY_ANNOTATE_FILL 0x02
369 #define DRM_MODE_FB_DIRTY_FLAGS         0x03
370 
371 /*
372  * Mark a region of a framebuffer as dirty.
373  *
374  * Some hardware does not automatically update display contents
375  * as a hardware or software draw to a framebuffer. This ioctl
376  * allows userspace to tell the kernel and the hardware what
377  * regions of the framebuffer have changed.
378  *
379  * The kernel or hardware is free to update more then just the
380  * region specified by the clip rects. The kernel or hardware
381  * may also delay and/or coalesce several calls to dirty into a
382  * single update.
383  *
384  * Userspace may annotate the updates, the annotates are a
385  * promise made by the caller that the change is either a copy
386  * of pixels or a fill of a single color in the region specified.
387  *
388  * If the DRM_MODE_FB_DIRTY_ANNOTATE_COPY flag is given then
389  * the number of updated regions are half of num_clips given,
390  * where the clip rects are paired in src and dst. The width and
391  * height of each one of the pairs must match.
392  *
393  * If the DRM_MODE_FB_DIRTY_ANNOTATE_FILL flag is given the caller
394  * promises that the region specified of the clip rects is filled
395  * completely with a single color as given in the color argument.
396  */
397 
398 struct drm_mode_fb_dirty_cmd {
399 	__u32 fb_id;
400 	__u32 flags;
401 	__u32 color;
402 	__u32 num_clips;
403 	__u64 clips_ptr;
404 };
405 
406 struct drm_mode_mode_cmd {
407 	__u32 connector_id;
408 	struct drm_mode_modeinfo mode;
409 };
410 
411 #define DRM_MODE_CURSOR_BO	(1<<0)
412 #define DRM_MODE_CURSOR_MOVE	(1<<1)
413 
414 /*
415  * depending on the value in flags diffrent members are used.
416  *
417  * CURSOR_BO uses
418  *    crtc
419  *    width
420  *    height
421  *    handle - if 0 turns the cursor of
422  *
423  * CURSOR_MOVE uses
424  *    crtc
425  *    x
426  *    y
427  */
428 struct drm_mode_cursor {
429 	__u32 flags;
430 	__u32 crtc_id;
431 	__s32 x;
432 	__s32 y;
433 	__u32 width;
434 	__u32 height;
435 	/* driver specific handle */
436 	__u32 handle;
437 };
438 
439 struct drm_mode_cursor2 {
440 	__u32 flags;
441 	__u32 crtc_id;
442 	__s32 x;
443 	__s32 y;
444 	__u32 width;
445 	__u32 height;
446 	/* driver specific handle */
447 	__u32 handle;
448 	__s32 hot_x;
449 	__s32 hot_y;
450 };
451 
452 struct drm_mode_crtc_lut {
453 	__u32 crtc_id;
454 	__u32 gamma_size;
455 
456 	/* pointers to arrays */
457 	__u64 red;
458 	__u64 green;
459 	__u64 blue;
460 };
461 
462 #define DRM_MODE_PAGE_FLIP_EVENT 0x01
463 #define DRM_MODE_PAGE_FLIP_ASYNC 0x02
464 #define DRM_MODE_PAGE_FLIP_FLAGS (DRM_MODE_PAGE_FLIP_EVENT|DRM_MODE_PAGE_FLIP_ASYNC)
465 
466 /*
467  * Request a page flip on the specified crtc.
468  *
469  * This ioctl will ask KMS to schedule a page flip for the specified
470  * crtc.  Once any pending rendering targeting the specified fb (as of
471  * ioctl time) has completed, the crtc will be reprogrammed to display
472  * that fb after the next vertical refresh.  The ioctl returns
473  * immediately, but subsequent rendering to the current fb will block
474  * in the execbuffer ioctl until the page flip happens.  If a page
475  * flip is already pending as the ioctl is called, EBUSY will be
476  * returned.
477  *
478  * The ioctl supports one flag, DRM_MODE_PAGE_FLIP_EVENT, which will
479  * request that drm sends back a vblank event (see drm.h: struct
480  * drm_event_vblank) when the page flip is done.  The user_data field
481  * passed in with this ioctl will be returned as the user_data field
482  * in the vblank event struct.
483  *
484  * The reserved field must be zero until we figure out something
485  * clever to use it for.
486  */
487 
488 struct drm_mode_crtc_page_flip {
489 	__u32 crtc_id;
490 	__u32 fb_id;
491 	__u32 flags;
492 	__u32 reserved;
493 	__u64 user_data;
494 };
495 
496 /* create a dumb scanout buffer */
497 struct drm_mode_create_dumb {
498         __u32 height;
499         __u32 width;
500         __u32 bpp;
501         __u32 flags;
502         /* handle, pitch, size will be returned */
503         __u32 handle;
504         __u32 pitch;
505         __u64 size;
506 };
507 
508 /* set up for mmap of a dumb scanout buffer */
509 struct drm_mode_map_dumb {
510         /** Handle for the object being mapped. */
511         __u32 handle;
512         __u32 pad;
513         /**
514          * Fake offset to use for subsequent mmap call
515          *
516          * This is a fixed-size type for 32/64 compatibility.
517          */
518         __u64 offset;
519 };
520 
521 struct drm_mode_destroy_dumb {
522 	__u32 handle;
523 };
524 
525 /* page-flip flags are valid, plus: */
526 #define DRM_MODE_ATOMIC_TEST_ONLY 0x0100
527 #define DRM_MODE_ATOMIC_NONBLOCK  0x0200
528 #define DRM_MODE_ATOMIC_ALLOW_MODESET 0x0400
529 
530 #define DRM_MODE_ATOMIC_FLAGS (\
531 		DRM_MODE_PAGE_FLIP_EVENT |\
532 		DRM_MODE_PAGE_FLIP_ASYNC |\
533 		DRM_MODE_ATOMIC_TEST_ONLY |\
534 		DRM_MODE_ATOMIC_NONBLOCK |\
535 		DRM_MODE_ATOMIC_ALLOW_MODESET)
536 
537 struct drm_mode_atomic {
538 	__u32 flags;
539 	__u32 count_objs;
540 	__u64 objs_ptr;
541 	__u64 count_props_ptr;
542 	__u64 props_ptr;
543 	__u64 prop_values_ptr;
544 	__u64 reserved;
545 	__u64 user_data;
546 };
547 
548 /**
549  * Create a new 'blob' data property, copying length bytes from data pointer,
550  * and returning new blob ID.
551  */
552 struct drm_mode_create_blob {
553 	/** Pointer to data to copy. */
554 	__u64 data;
555 	/** Length of data to copy. */
556 	__u32 length;
557 	/** Return: new property ID. */
558 	__u32 blob_id;
559 };
560 
561 /**
562  * Destroy a user-created blob property.
563  */
564 struct drm_mode_destroy_blob {
565 	__u32 blob_id;
566 };
567 
568 #endif
569