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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 <linux/types.h>
31 
32 #define DRM_DISPLAY_INFO_LEN	32
33 #define DRM_CONNECTOR_NAME_LEN	32
34 #define DRM_DISPLAY_MODE_LEN	32
35 #define DRM_PROP_NAME_LEN	32
36 
37 #define DRM_MODE_TYPE_BUILTIN	(1<<0)
38 #define DRM_MODE_TYPE_CLOCK_C	((1<<1) | DRM_MODE_TYPE_BUILTIN)
39 #define DRM_MODE_TYPE_CRTC_C	((1<<2) | DRM_MODE_TYPE_BUILTIN)
40 #define DRM_MODE_TYPE_PREFERRED	(1<<3)
41 #define DRM_MODE_TYPE_DEFAULT	(1<<4)
42 #define DRM_MODE_TYPE_USERDEF	(1<<5)
43 #define DRM_MODE_TYPE_DRIVER	(1<<6)
44 
45 /* Video mode flags */
46 /* bit compatible with the xorg definitions. */
47 #define DRM_MODE_FLAG_PHSYNC			(1<<0)
48 #define DRM_MODE_FLAG_NHSYNC			(1<<1)
49 #define DRM_MODE_FLAG_PVSYNC			(1<<2)
50 #define DRM_MODE_FLAG_NVSYNC			(1<<3)
51 #define DRM_MODE_FLAG_INTERLACE			(1<<4)
52 #define DRM_MODE_FLAG_DBLSCAN			(1<<5)
53 #define DRM_MODE_FLAG_CSYNC			(1<<6)
54 #define DRM_MODE_FLAG_PCSYNC			(1<<7)
55 #define DRM_MODE_FLAG_NCSYNC			(1<<8)
56 #define DRM_MODE_FLAG_HSKEW			(1<<9) /* hskew provided */
57 #define DRM_MODE_FLAG_BCAST			(1<<10)
58 #define DRM_MODE_FLAG_PIXMUX			(1<<11)
59 #define DRM_MODE_FLAG_DBLCLK			(1<<12)
60 #define DRM_MODE_FLAG_CLKDIV2			(1<<13)
61  /*
62   * When adding a new stereo mode don't forget to adjust DRM_MODE_FLAGS_3D_MAX
63   * (define not exposed to user space).
64   */
65 #define DRM_MODE_FLAG_3D_MASK			(0x1f<<14)
66 #define  DRM_MODE_FLAG_3D_NONE			(0<<14)
67 #define  DRM_MODE_FLAG_3D_FRAME_PACKING		(1<<14)
68 #define  DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE	(2<<14)
69 #define  DRM_MODE_FLAG_3D_LINE_ALTERNATIVE	(3<<14)
70 #define  DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL	(4<<14)
71 #define  DRM_MODE_FLAG_3D_L_DEPTH		(5<<14)
72 #define  DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH	(6<<14)
73 #define  DRM_MODE_FLAG_3D_TOP_AND_BOTTOM	(7<<14)
74 #define  DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF	(8<<14)
75 
76 
77 /* DPMS flags */
78 /* bit compatible with the xorg definitions. */
79 #define DRM_MODE_DPMS_ON	0
80 #define DRM_MODE_DPMS_STANDBY	1
81 #define DRM_MODE_DPMS_SUSPEND	2
82 #define DRM_MODE_DPMS_OFF	3
83 
84 /* Scaling mode options */
85 #define DRM_MODE_SCALE_NONE		0 /* Unmodified timing (display or
86 					     software can still scale) */
87 #define DRM_MODE_SCALE_FULLSCREEN	1 /* Full screen, ignore aspect */
88 #define DRM_MODE_SCALE_CENTER		2 /* Centered, no scaling */
89 #define DRM_MODE_SCALE_ASPECT		3 /* Full screen, preserve aspect */
90 
91 /* Dithering mode options */
92 #define DRM_MODE_DITHERING_OFF	0
93 #define DRM_MODE_DITHERING_ON	1
94 #define DRM_MODE_DITHERING_AUTO 2
95 
96 /* Dirty info options */
97 #define DRM_MODE_DIRTY_OFF      0
98 #define DRM_MODE_DIRTY_ON       1
99 #define DRM_MODE_DIRTY_ANNOTATE 2
100 
101 struct drm_mode_modeinfo {
102 	__u32 clock;
103 	__u16 hdisplay, hsync_start, hsync_end, htotal, hskew;
104 	__u16 vdisplay, vsync_start, vsync_end, vtotal, vscan;
105 
106 	__u32 vrefresh;
107 
108 	__u32 flags;
109 	__u32 type;
110 	char name[DRM_DISPLAY_MODE_LEN];
111 };
112 
113 struct drm_mode_card_res {
114 	__u64 fb_id_ptr;
115 	__u64 crtc_id_ptr;
116 	__u64 connector_id_ptr;
117 	__u64 encoder_id_ptr;
118 	__u32 count_fbs;
119 	__u32 count_crtcs;
120 	__u32 count_connectors;
121 	__u32 count_encoders;
122 	__u32 min_width, max_width;
123 	__u32 min_height, max_height;
124 };
125 
126 struct drm_mode_crtc {
127 	__u64 set_connectors_ptr;
128 	__u32 count_connectors;
129 
130 	__u32 crtc_id; /**< Id */
131 	__u32 fb_id; /**< Id of framebuffer */
132 
133 	__u32 x, y; /**< Position on the frameuffer */
134 
135 	__u32 gamma_size;
136 	__u32 mode_valid;
137 	struct drm_mode_modeinfo mode;
138 };
139 
140 #define DRM_MODE_PRESENT_TOP_FIELD	(1<<0)
141 #define DRM_MODE_PRESENT_BOTTOM_FIELD	(1<<1)
142 
143 /* Planes blend with or override other bits on the CRTC */
144 struct drm_mode_set_plane {
145 	__u32 plane_id;
146 	__u32 crtc_id;
147 	__u32 fb_id; /* fb object contains surface format type */
148 	__u32 flags; /* see above flags */
149 
150 	/* Signed dest location allows it to be partially off screen */
151 	__s32 crtc_x, crtc_y;
152 	__u32 crtc_w, crtc_h;
153 
154 	/* Source values are 16.16 fixed point */
155 	__u32 src_x, src_y;
156 	__u32 src_h, src_w;
157 };
158 
159 struct drm_mode_get_plane {
160 	__u32 plane_id;
161 
162 	__u32 crtc_id;
163 	__u32 fb_id;
164 
165 	__u32 possible_crtcs;
166 	__u32 gamma_size;
167 
168 	__u32 count_format_types;
169 	__u64 format_type_ptr;
170 };
171 
172 struct drm_mode_get_plane_res {
173 	__u64 plane_id_ptr;
174 	__u32 count_planes;
175 };
176 
177 #define DRM_MODE_ENCODER_NONE	0
178 #define DRM_MODE_ENCODER_DAC	1
179 #define DRM_MODE_ENCODER_TMDS	2
180 #define DRM_MODE_ENCODER_LVDS	3
181 #define DRM_MODE_ENCODER_TVDAC	4
182 #define DRM_MODE_ENCODER_VIRTUAL 5
183 #define DRM_MODE_ENCODER_DSI	6
184 
185 struct drm_mode_get_encoder {
186 	__u32 encoder_id;
187 	__u32 encoder_type;
188 
189 	__u32 crtc_id; /**< Id of crtc */
190 
191 	__u32 possible_crtcs;
192 	__u32 possible_clones;
193 };
194 
195 /* This is for connectors with multiple signal types. */
196 /* Try to match DRM_MODE_CONNECTOR_X as closely as possible. */
197 #define DRM_MODE_SUBCONNECTOR_Automatic	0
198 #define DRM_MODE_SUBCONNECTOR_Unknown	0
199 #define DRM_MODE_SUBCONNECTOR_DVID	3
200 #define DRM_MODE_SUBCONNECTOR_DVIA	4
201 #define DRM_MODE_SUBCONNECTOR_Composite	5
202 #define DRM_MODE_SUBCONNECTOR_SVIDEO	6
203 #define DRM_MODE_SUBCONNECTOR_Component	8
204 #define DRM_MODE_SUBCONNECTOR_SCART	9
205 
206 #define DRM_MODE_CONNECTOR_Unknown	0
207 #define DRM_MODE_CONNECTOR_VGA		1
208 #define DRM_MODE_CONNECTOR_DVII		2
209 #define DRM_MODE_CONNECTOR_DVID		3
210 #define DRM_MODE_CONNECTOR_DVIA		4
211 #define DRM_MODE_CONNECTOR_Composite	5
212 #define DRM_MODE_CONNECTOR_SVIDEO	6
213 #define DRM_MODE_CONNECTOR_LVDS		7
214 #define DRM_MODE_CONNECTOR_Component	8
215 #define DRM_MODE_CONNECTOR_9PinDIN	9
216 #define DRM_MODE_CONNECTOR_DisplayPort	10
217 #define DRM_MODE_CONNECTOR_HDMIA	11
218 #define DRM_MODE_CONNECTOR_HDMIB	12
219 #define DRM_MODE_CONNECTOR_TV		13
220 #define DRM_MODE_CONNECTOR_eDP		14
221 #define DRM_MODE_CONNECTOR_VIRTUAL      15
222 #define DRM_MODE_CONNECTOR_DSI		16
223 
224 struct drm_mode_get_connector {
225 
226 	__u64 encoders_ptr;
227 	__u64 modes_ptr;
228 	__u64 props_ptr;
229 	__u64 prop_values_ptr;
230 
231 	__u32 count_modes;
232 	__u32 count_props;
233 	__u32 count_encoders;
234 
235 	__u32 encoder_id; /**< Current Encoder */
236 	__u32 connector_id; /**< Id */
237 	__u32 connector_type;
238 	__u32 connector_type_id;
239 
240 	__u32 connection;
241 	__u32 mm_width, mm_height; /**< HxW in millimeters */
242 	__u32 subpixel;
243 
244 	__u32 pad;
245 };
246 
247 #define DRM_MODE_PROP_PENDING	(1<<0)
248 #define DRM_MODE_PROP_RANGE	(1<<1)
249 #define DRM_MODE_PROP_IMMUTABLE	(1<<2)
250 #define DRM_MODE_PROP_ENUM	(1<<3) /* enumerated type with text strings */
251 #define DRM_MODE_PROP_BLOB	(1<<4)
252 #define DRM_MODE_PROP_BITMASK	(1<<5) /* bitmask of enumerated types */
253 
254 struct drm_mode_property_enum {
255 	__u64 value;
256 	char name[DRM_PROP_NAME_LEN];
257 };
258 
259 struct drm_mode_get_property {
260 	__u64 values_ptr; /* values and blob lengths */
261 	__u64 enum_blob_ptr; /* enum and blob id ptrs */
262 
263 	__u32 prop_id;
264 	__u32 flags;
265 	char name[DRM_PROP_NAME_LEN];
266 
267 	__u32 count_values;
268 	__u32 count_enum_blobs;
269 };
270 
271 struct drm_mode_connector_set_property {
272 	__u64 value;
273 	__u32 prop_id;
274 	__u32 connector_id;
275 };
276 
277 struct drm_mode_obj_get_properties {
278 	__u64 props_ptr;
279 	__u64 prop_values_ptr;
280 	__u32 count_props;
281 	__u32 obj_id;
282 	__u32 obj_type;
283 };
284 
285 struct drm_mode_obj_set_property {
286 	__u64 value;
287 	__u32 prop_id;
288 	__u32 obj_id;
289 	__u32 obj_type;
290 };
291 
292 struct drm_mode_get_blob {
293 	__u32 blob_id;
294 	__u32 length;
295 	__u64 data;
296 };
297 
298 struct drm_mode_fb_cmd {
299 	__u32 fb_id;
300 	__u32 width, height;
301 	__u32 pitch;
302 	__u32 bpp;
303 	__u32 depth;
304 	/* driver specific handle */
305 	__u32 handle;
306 };
307 
308 #define DRM_MODE_FB_INTERLACED	(1<<0) /* for interlaced framebuffers */
309 
310 struct drm_mode_fb_cmd2 {
311 	__u32 fb_id;
312 	__u32 width, height;
313 	__u32 pixel_format; /* fourcc code from drm_fourcc.h */
314 	__u32 flags; /* see above flags */
315 
316 	/*
317 	 * In case of planar formats, this ioctl allows up to 4
318 	 * buffer objects with offets and pitches per plane.
319 	 * The pitch and offset order is dictated by the fourcc,
320 	 * e.g. NV12 (http://fourcc.org/yuv.php#NV12) is described as:
321 	 *
322 	 *   YUV 4:2:0 image with a plane of 8 bit Y samples
323 	 *   followed by an interleaved U/V plane containing
324 	 *   8 bit 2x2 subsampled colour difference samples.
325 	 *
326 	 * So it would consist of Y as offset[0] and UV as
327 	 * offeset[1].  Note that offset[0] will generally
328 	 * be 0.
329 	 */
330 	__u32 handles[4];
331 	__u32 pitches[4]; /* pitch for each plane */
332 	__u32 offsets[4]; /* offset of each plane */
333 };
334 
335 #define DRM_MODE_FB_DIRTY_ANNOTATE_COPY 0x01
336 #define DRM_MODE_FB_DIRTY_ANNOTATE_FILL 0x02
337 #define DRM_MODE_FB_DIRTY_FLAGS         0x03
338 
339 #define DRM_MODE_FB_DIRTY_MAX_CLIPS     256
340 
341 /*
342  * Mark a region of a framebuffer as dirty.
343  *
344  * Some hardware does not automatically update display contents
345  * as a hardware or software draw to a framebuffer. This ioctl
346  * allows userspace to tell the kernel and the hardware what
347  * regions of the framebuffer have changed.
348  *
349  * The kernel or hardware is free to update more then just the
350  * region specified by the clip rects. The kernel or hardware
351  * may also delay and/or coalesce several calls to dirty into a
352  * single update.
353  *
354  * Userspace may annotate the updates, the annotates are a
355  * promise made by the caller that the change is either a copy
356  * of pixels or a fill of a single color in the region specified.
357  *
358  * If the DRM_MODE_FB_DIRTY_ANNOTATE_COPY flag is given then
359  * the number of updated regions are half of num_clips given,
360  * where the clip rects are paired in src and dst. The width and
361  * height of each one of the pairs must match.
362  *
363  * If the DRM_MODE_FB_DIRTY_ANNOTATE_FILL flag is given the caller
364  * promises that the region specified of the clip rects is filled
365  * completely with a single color as given in the color argument.
366  */
367 
368 struct drm_mode_fb_dirty_cmd {
369 	__u32 fb_id;
370 	__u32 flags;
371 	__u32 color;
372 	__u32 num_clips;
373 	__u64 clips_ptr;
374 };
375 
376 struct drm_mode_mode_cmd {
377 	__u32 connector_id;
378 	struct drm_mode_modeinfo mode;
379 };
380 
381 #define DRM_MODE_CURSOR_BO	0x01
382 #define DRM_MODE_CURSOR_MOVE	0x02
383 #define DRM_MODE_CURSOR_FLAGS	0x03
384 
385 /*
386  * depending on the value in flags different members are used.
387  *
388  * CURSOR_BO uses
389  *    crtc_id
390  *    width
391  *    height
392  *    handle - if 0 turns the cursor off
393  *
394  * CURSOR_MOVE uses
395  *    crtc_id
396  *    x
397  *    y
398  */
399 struct drm_mode_cursor {
400 	__u32 flags;
401 	__u32 crtc_id;
402 	__s32 x;
403 	__s32 y;
404 	__u32 width;
405 	__u32 height;
406 	/* driver specific handle */
407 	__u32 handle;
408 };
409 
410 struct drm_mode_cursor2 {
411 	__u32 flags;
412 	__u32 crtc_id;
413 	__s32 x;
414 	__s32 y;
415 	__u32 width;
416 	__u32 height;
417 	/* driver specific handle */
418 	__u32 handle;
419 	__s32 hot_x;
420 	__s32 hot_y;
421 };
422 
423 struct drm_mode_crtc_lut {
424 	__u32 crtc_id;
425 	__u32 gamma_size;
426 
427 	/* pointers to arrays */
428 	__u64 red;
429 	__u64 green;
430 	__u64 blue;
431 };
432 
433 #define DRM_MODE_PAGE_FLIP_EVENT 0x01
434 #define DRM_MODE_PAGE_FLIP_ASYNC 0x02
435 #define DRM_MODE_PAGE_FLIP_FLAGS (DRM_MODE_PAGE_FLIP_EVENT|DRM_MODE_PAGE_FLIP_ASYNC)
436 
437 /*
438  * Request a page flip on the specified crtc.
439  *
440  * This ioctl will ask KMS to schedule a page flip for the specified
441  * crtc.  Once any pending rendering targeting the specified fb (as of
442  * ioctl time) has completed, the crtc will be reprogrammed to display
443  * that fb after the next vertical refresh.  The ioctl returns
444  * immediately, but subsequent rendering to the current fb will block
445  * in the execbuffer ioctl until the page flip happens.  If a page
446  * flip is already pending as the ioctl is called, EBUSY will be
447  * returned.
448  *
449  * Flag DRM_MODE_PAGE_FLIP_EVENT requests that drm sends back a vblank
450  * event (see drm.h: struct drm_event_vblank) when the page flip is
451  * done.  The user_data field passed in with this ioctl will be
452  * returned as the user_data field in the vblank event struct.
453  *
454  * Flag DRM_MODE_PAGE_FLIP_ASYNC requests that the flip happen
455  * 'as soon as possible', meaning that it not delay waiting for vblank.
456  * This may cause tearing on the screen.
457  *
458  * The reserved field must be zero until we figure out something
459  * clever to use it for.
460  */
461 
462 struct drm_mode_crtc_page_flip {
463 	__u32 crtc_id;
464 	__u32 fb_id;
465 	__u32 flags;
466 	__u32 reserved;
467 	__u64 user_data;
468 };
469 
470 /* create a dumb scanout buffer */
471 struct drm_mode_create_dumb {
472 	uint32_t height;
473 	uint32_t width;
474 	uint32_t bpp;
475 	uint32_t flags;
476 	/* handle, pitch, size will be returned */
477 	uint32_t handle;
478 	uint32_t pitch;
479 	uint64_t size;
480 };
481 
482 /* set up for mmap of a dumb scanout buffer */
483 struct drm_mode_map_dumb {
484 	/** Handle for the object being mapped. */
485 	__u32 handle;
486 	__u32 pad;
487 	/**
488 	 * Fake offset to use for subsequent mmap call
489 	 *
490 	 * This is a fixed-size type for 32/64 compatibility.
491 	 */
492 	__u64 offset;
493 };
494 
495 struct drm_mode_destroy_dumb {
496 	uint32_t handle;
497 };
498 
499 #endif
500