xref: /freebsd/sys/dev/drm2/drm_mode.h (revision a7623790fb345e6dc986dfd31df0ace115e6f2e4)
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  * $FreeBSD$
27  */
28 
29 #ifndef _DRM_MODE_H
30 #define _DRM_MODE_H
31 
32 #include <dev/drm2/drm_os_freebsd.h>
33 
34 #define DRM_DISPLAY_INFO_LEN	32
35 #define DRM_CONNECTOR_NAME_LEN	32
36 #define DRM_DISPLAY_MODE_LEN	32
37 #define DRM_PROP_NAME_LEN	32
38 
39 #define DRM_MODE_TYPE_BUILTIN	(1<<0)
40 #define DRM_MODE_TYPE_CLOCK_C	((1<<1) | DRM_MODE_TYPE_BUILTIN)
41 #define DRM_MODE_TYPE_CRTC_C	((1<<2) | DRM_MODE_TYPE_BUILTIN)
42 #define DRM_MODE_TYPE_PREFERRED	(1<<3)
43 #define DRM_MODE_TYPE_DEFAULT	(1<<4)
44 #define DRM_MODE_TYPE_USERDEF	(1<<5)
45 #define DRM_MODE_TYPE_DRIVER	(1<<6)
46 
47 /* Video mode flags */
48 /* bit compatible with the xorg definitions. */
49 #define DRM_MODE_FLAG_PHSYNC	(1<<0)
50 #define DRM_MODE_FLAG_NHSYNC	(1<<1)
51 #define DRM_MODE_FLAG_PVSYNC	(1<<2)
52 #define DRM_MODE_FLAG_NVSYNC	(1<<3)
53 #define DRM_MODE_FLAG_INTERLACE	(1<<4)
54 #define DRM_MODE_FLAG_DBLSCAN	(1<<5)
55 #define DRM_MODE_FLAG_CSYNC	(1<<6)
56 #define DRM_MODE_FLAG_PCSYNC	(1<<7)
57 #define DRM_MODE_FLAG_NCSYNC	(1<<8)
58 #define DRM_MODE_FLAG_HSKEW	(1<<9) /* hskew provided */
59 #define DRM_MODE_FLAG_BCAST	(1<<10)
60 #define DRM_MODE_FLAG_PIXMUX	(1<<11)
61 #define DRM_MODE_FLAG_DBLCLK	(1<<12)
62 #define DRM_MODE_FLAG_CLKDIV2	(1<<13)
63 
64 /* DPMS flags */
65 /* bit compatible with the xorg definitions. */
66 #define DRM_MODE_DPMS_ON	0
67 #define DRM_MODE_DPMS_STANDBY	1
68 #define DRM_MODE_DPMS_SUSPEND	2
69 #define DRM_MODE_DPMS_OFF	3
70 
71 /* Scaling mode options */
72 #define DRM_MODE_SCALE_NONE		0 /* Unmodified timing (display or
73 					     software can still scale) */
74 #define DRM_MODE_SCALE_FULLSCREEN	1 /* Full screen, ignore aspect */
75 #define DRM_MODE_SCALE_CENTER		2 /* Centered, no scaling */
76 #define DRM_MODE_SCALE_ASPECT		3 /* Full screen, preserve aspect */
77 
78 /* Dithering mode options */
79 #define DRM_MODE_DITHERING_OFF	0
80 #define DRM_MODE_DITHERING_ON	1
81 #define DRM_MODE_DITHERING_AUTO 2
82 
83 /* Dirty info options */
84 #define DRM_MODE_DIRTY_OFF      0
85 #define DRM_MODE_DIRTY_ON       1
86 #define DRM_MODE_DIRTY_ANNOTATE 2
87 
88 struct drm_mode_modeinfo {
89 	__u32 clock;
90 	__u16 hdisplay, hsync_start, hsync_end, htotal, hskew;
91 	__u16 vdisplay, vsync_start, vsync_end, vtotal, vscan;
92 
93 	__u32 vrefresh;
94 
95 	__u32 flags;
96 	__u32 type;
97 	char name[DRM_DISPLAY_MODE_LEN];
98 };
99 
100 struct drm_mode_card_res {
101 	__u64 fb_id_ptr;
102 	__u64 crtc_id_ptr;
103 	__u64 connector_id_ptr;
104 	__u64 encoder_id_ptr;
105 	__u32 count_fbs;
106 	__u32 count_crtcs;
107 	__u32 count_connectors;
108 	__u32 count_encoders;
109 	__u32 min_width, max_width;
110 	__u32 min_height, max_height;
111 };
112 
113 struct drm_mode_crtc {
114 	__u64 set_connectors_ptr;
115 	__u32 count_connectors;
116 
117 	__u32 crtc_id; /**< Id */
118 	__u32 fb_id; /**< Id of framebuffer */
119 
120 	__u32 x, y; /**< Position on the frameuffer */
121 
122 	__u32 gamma_size;
123 	__u32 mode_valid;
124 	struct drm_mode_modeinfo mode;
125 };
126 
127 #define DRM_MODE_PRESENT_TOP_FIELD	(1<<0)
128 #define DRM_MODE_PRESENT_BOTTOM_FIELD	(1<<1)
129 
130 /* Planes blend with or override other bits on the CRTC */
131 struct drm_mode_set_plane {
132 	__u32 plane_id;
133 	__u32 crtc_id;
134 	__u32 fb_id; /* fb object contains surface format type */
135 	__u32 flags; /* see above flags */
136 
137 	/* Signed dest location allows it to be partially off screen */
138 	__s32 crtc_x, crtc_y;
139 	__u32 crtc_w, crtc_h;
140 
141 	/* Source values are 16.16 fixed point */
142 	__u32 src_x, src_y;
143 	__u32 src_h, src_w;
144 };
145 
146 struct drm_mode_get_plane {
147 	__u32 plane_id;
148 
149 	__u32 crtc_id;
150 	__u32 fb_id;
151 
152 	__u32 possible_crtcs;
153 	__u32 gamma_size;
154 
155 	__u32 count_format_types;
156 	__u64 format_type_ptr;
157 };
158 
159 struct drm_mode_get_plane_res {
160 	__u64 plane_id_ptr;
161 	__u32 count_planes;
162 };
163 
164 #define DRM_MODE_ENCODER_NONE	0
165 #define DRM_MODE_ENCODER_DAC	1
166 #define DRM_MODE_ENCODER_TMDS	2
167 #define DRM_MODE_ENCODER_LVDS	3
168 #define DRM_MODE_ENCODER_TVDAC	4
169 #define DRM_MODE_ENCODER_VIRTUAL 5
170 
171 struct drm_mode_get_encoder {
172 	__u32 encoder_id;
173 	__u32 encoder_type;
174 
175 	__u32 crtc_id; /**< Id of crtc */
176 
177 	__u32 possible_crtcs;
178 	__u32 possible_clones;
179 };
180 
181 /* This is for connectors with multiple signal types. */
182 /* Try to match DRM_MODE_CONNECTOR_X as closely as possible. */
183 #define DRM_MODE_SUBCONNECTOR_Automatic	0
184 #define DRM_MODE_SUBCONNECTOR_Unknown	0
185 #define DRM_MODE_SUBCONNECTOR_DVID	3
186 #define DRM_MODE_SUBCONNECTOR_DVIA	4
187 #define DRM_MODE_SUBCONNECTOR_Composite	5
188 #define DRM_MODE_SUBCONNECTOR_SVIDEO	6
189 #define DRM_MODE_SUBCONNECTOR_Component	8
190 #define DRM_MODE_SUBCONNECTOR_SCART	9
191 
192 #define DRM_MODE_CONNECTOR_Unknown	0
193 #define DRM_MODE_CONNECTOR_VGA		1
194 #define DRM_MODE_CONNECTOR_DVII		2
195 #define DRM_MODE_CONNECTOR_DVID		3
196 #define DRM_MODE_CONNECTOR_DVIA		4
197 #define DRM_MODE_CONNECTOR_Composite	5
198 #define DRM_MODE_CONNECTOR_SVIDEO	6
199 #define DRM_MODE_CONNECTOR_LVDS		7
200 #define DRM_MODE_CONNECTOR_Component	8
201 #define DRM_MODE_CONNECTOR_9PinDIN	9
202 #define DRM_MODE_CONNECTOR_DisplayPort	10
203 #define DRM_MODE_CONNECTOR_HDMIA	11
204 #define DRM_MODE_CONNECTOR_HDMIB	12
205 #define DRM_MODE_CONNECTOR_TV		13
206 #define DRM_MODE_CONNECTOR_eDP		14
207 #define DRM_MODE_CONNECTOR_VIRTUAL      15
208 
209 struct drm_mode_get_connector {
210 
211 	__u64 encoders_ptr;
212 	__u64 modes_ptr;
213 	__u64 props_ptr;
214 	__u64 prop_values_ptr;
215 
216 	__u32 count_modes;
217 	__u32 count_props;
218 	__u32 count_encoders;
219 
220 	__u32 encoder_id; /**< Current Encoder */
221 	__u32 connector_id; /**< Id */
222 	__u32 connector_type;
223 	__u32 connector_type_id;
224 
225 	__u32 connection;
226 	__u32 mm_width, mm_height; /**< HxW in millimeters */
227 	__u32 subpixel;
228 };
229 
230 #define DRM_MODE_PROP_PENDING	(1<<0)
231 #define DRM_MODE_PROP_RANGE	(1<<1)
232 #define DRM_MODE_PROP_IMMUTABLE	(1<<2)
233 #define DRM_MODE_PROP_ENUM	(1<<3) /* enumerated type with text strings */
234 #define DRM_MODE_PROP_BLOB	(1<<4)
235 #define DRM_MODE_PROP_BITMASK	(1<<5) /* bitmask of enumerated types */
236 
237 struct drm_mode_property_enum {
238 	__u64 value;
239 	char name[DRM_PROP_NAME_LEN];
240 };
241 
242 struct drm_mode_get_property {
243 	__u64 values_ptr; /* values and blob lengths */
244 	__u64 enum_blob_ptr; /* enum and blob id ptrs */
245 
246 	__u32 prop_id;
247 	__u32 flags;
248 	char name[DRM_PROP_NAME_LEN];
249 
250 	__u32 count_values;
251 	__u32 count_enum_blobs;
252 };
253 
254 struct drm_mode_connector_set_property {
255 	__u64 value;
256 	__u32 prop_id;
257 	__u32 connector_id;
258 };
259 
260 struct drm_mode_obj_get_properties {
261 	__u64 props_ptr;
262 	__u64 prop_values_ptr;
263 	__u32 count_props;
264 	__u32 obj_id;
265 	__u32 obj_type;
266 };
267 
268 struct drm_mode_obj_set_property {
269 	__u64 value;
270 	__u32 prop_id;
271 	__u32 obj_id;
272 	__u32 obj_type;
273 };
274 
275 struct drm_mode_get_blob {
276 	__u32 blob_id;
277 	__u32 length;
278 	__u64 data;
279 };
280 
281 struct drm_mode_fb_cmd {
282 	__u32 fb_id;
283 	__u32 width, height;
284 	__u32 pitch;
285 	__u32 bpp;
286 	__u32 depth;
287 	/* driver specific handle */
288 	__u32 handle;
289 };
290 
291 #define DRM_MODE_FB_INTERLACED	(1<<0) /* for interlaced framebuffers */
292 
293 struct drm_mode_fb_cmd2 {
294 	__u32 fb_id;
295 	__u32 width, height;
296 	__u32 pixel_format; /* fourcc code from drm_fourcc.h */
297 	__u32 flags; /* see above flags */
298 
299 	/*
300 	 * In case of planar formats, this ioctl allows up to 4
301 	 * buffer objects with offets and pitches per plane.
302 	 * The pitch and offset order is dictated by the fourcc,
303 	 * e.g. NV12 (http://fourcc.org/yuv.php#NV12) is described as:
304 	 *
305 	 *   YUV 4:2:0 image with a plane of 8 bit Y samples
306 	 *   followed by an interleaved U/V plane containing
307 	 *   8 bit 2x2 subsampled colour difference samples.
308 	 *
309 	 * So it would consist of Y as offset[0] and UV as
310 	 * offeset[1].  Note that offset[0] will generally
311 	 * be 0.
312 	 */
313 	__u32 handles[4];
314 	__u32 pitches[4]; /* pitch for each plane */
315 	__u32 offsets[4]; /* offset of each plane */
316 };
317 
318 #define DRM_MODE_FB_DIRTY_ANNOTATE_COPY 0x01
319 #define DRM_MODE_FB_DIRTY_ANNOTATE_FILL 0x02
320 #define DRM_MODE_FB_DIRTY_FLAGS         0x03
321 
322 #define DRM_MODE_FB_DIRTY_MAX_CLIPS     256
323 
324 /*
325  * Mark a region of a framebuffer as dirty.
326  *
327  * Some hardware does not automatically update display contents
328  * as a hardware or software draw to a framebuffer. This ioctl
329  * allows userspace to tell the kernel and the hardware what
330  * regions of the framebuffer have changed.
331  *
332  * The kernel or hardware is free to update more then just the
333  * region specified by the clip rects. The kernel or hardware
334  * may also delay and/or coalesce several calls to dirty into a
335  * single update.
336  *
337  * Userspace may annotate the updates, the annotates are a
338  * promise made by the caller that the change is either a copy
339  * of pixels or a fill of a single color in the region specified.
340  *
341  * If the DRM_MODE_FB_DIRTY_ANNOTATE_COPY flag is given then
342  * the number of updated regions are half of num_clips given,
343  * where the clip rects are paired in src and dst. The width and
344  * height of each one of the pairs must match.
345  *
346  * If the DRM_MODE_FB_DIRTY_ANNOTATE_FILL flag is given the caller
347  * promises that the region specified of the clip rects is filled
348  * completely with a single color as given in the color argument.
349  */
350 
351 struct drm_mode_fb_dirty_cmd {
352 	__u32 fb_id;
353 	__u32 flags;
354 	__u32 color;
355 	__u32 num_clips;
356 	__u64 clips_ptr;
357 };
358 
359 struct drm_mode_mode_cmd {
360 	__u32 connector_id;
361 	struct drm_mode_modeinfo mode;
362 };
363 
364 #define DRM_MODE_CURSOR_BO	0x01
365 #define DRM_MODE_CURSOR_MOVE	0x02
366 #define DRM_MODE_CURSOR_FLAGS	0x03
367 
368 /*
369  * depending on the value in flags different members are used.
370  *
371  * CURSOR_BO uses
372  *    crtc
373  *    width
374  *    height
375  *    handle - if 0 turns the cursor of
376  *
377  * CURSOR_MOVE uses
378  *    crtc
379  *    x
380  *    y
381  */
382 struct drm_mode_cursor {
383 	__u32 flags;
384 	__u32 crtc_id;
385 	__s32 x;
386 	__s32 y;
387 	__u32 width;
388 	__u32 height;
389 	/* driver specific handle */
390 	__u32 handle;
391 };
392 
393 struct drm_mode_crtc_lut {
394 	__u32 crtc_id;
395 	__u32 gamma_size;
396 
397 	/* pointers to arrays */
398 	__u64 red;
399 	__u64 green;
400 	__u64 blue;
401 };
402 
403 #define DRM_MODE_PAGE_FLIP_EVENT 0x01
404 #define DRM_MODE_PAGE_FLIP_FLAGS DRM_MODE_PAGE_FLIP_EVENT
405 
406 /*
407  * Request a page flip on the specified crtc.
408  *
409  * This ioctl will ask KMS to schedule a page flip for the specified
410  * crtc.  Once any pending rendering targeting the specified fb (as of
411  * ioctl time) has completed, the crtc will be reprogrammed to display
412  * that fb after the next vertical refresh.  The ioctl returns
413  * immediately, but subsequent rendering to the current fb will block
414  * in the execbuffer ioctl until the page flip happens.  If a page
415  * flip is already pending as the ioctl is called, EBUSY will be
416  * returned.
417  *
418  * The ioctl supports one flag, DRM_MODE_PAGE_FLIP_EVENT, which will
419  * request that drm sends back a vblank event (see drm.h: struct
420  * drm_event_vblank) when the page flip is done.  The user_data field
421  * passed in with this ioctl will be returned as the user_data field
422  * in the vblank event struct.
423  *
424  * The reserved field must be zero until we figure out something
425  * clever to use it for.
426  */
427 
428 struct drm_mode_crtc_page_flip {
429 	__u32 crtc_id;
430 	__u32 fb_id;
431 	__u32 flags;
432 	__u32 reserved;
433 	__u64 user_data;
434 };
435 
436 /* create a dumb scanout buffer */
437 struct drm_mode_create_dumb {
438 	uint32_t height;
439 	uint32_t width;
440 	uint32_t bpp;
441 	uint32_t flags;
442 	/* handle, pitch, size will be returned */
443 	uint32_t handle;
444 	uint32_t pitch;
445 	uint64_t size;
446 };
447 
448 /* set up for mmap of a dumb scanout buffer */
449 struct drm_mode_map_dumb {
450 	/** Handle for the object being mapped. */
451 	__u32 handle;
452 	__u32 pad;
453 	/**
454 	 * Fake offset to use for subsequent mmap call
455 	 *
456 	 * This is a fixed-size type for 32/64 compatibility.
457 	 */
458 	__u64 offset;
459 };
460 
461 struct drm_mode_destroy_dumb {
462 	uint32_t handle;
463 };
464 
465 #endif
466