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 
60 /* DPMS flags */
61 /* bit compatible with the xorg definitions. */
62 #define DRM_MODE_DPMS_ON	0
63 #define DRM_MODE_DPMS_STANDBY	1
64 #define DRM_MODE_DPMS_SUSPEND	2
65 #define DRM_MODE_DPMS_OFF	3
66 
67 /* Scaling mode options */
68 #define DRM_MODE_SCALE_NONE		0 /* Unmodified timing (display or
69 					     software can still scale) */
70 #define DRM_MODE_SCALE_FULLSCREEN	1 /* Full screen, ignore aspect */
71 #define DRM_MODE_SCALE_CENTER		2 /* Centered, no scaling */
72 #define DRM_MODE_SCALE_ASPECT		3 /* Full screen, preserve aspect */
73 
74 /* Dithering mode options */
75 #define DRM_MODE_DITHERING_OFF	0
76 #define DRM_MODE_DITHERING_ON	1
77 #define DRM_MODE_DITHERING_AUTO 2
78 
79 /* Dirty info options */
80 #define DRM_MODE_DIRTY_OFF      0
81 #define DRM_MODE_DIRTY_ON       1
82 #define DRM_MODE_DIRTY_ANNOTATE 2
83 
84 struct drm_mode_modeinfo {
85 	__u32 clock;
86 	__u16 hdisplay, hsync_start, hsync_end, htotal, hskew;
87 	__u16 vdisplay, vsync_start, vsync_end, vtotal, vscan;
88 
89 	__u32 vrefresh;
90 
91 	__u32 flags;
92 	__u32 type;
93 	char name[DRM_DISPLAY_MODE_LEN];
94 };
95 
96 struct drm_mode_card_res {
97 	__u64 fb_id_ptr;
98 	__u64 crtc_id_ptr;
99 	__u64 connector_id_ptr;
100 	__u64 encoder_id_ptr;
101 	__u32 count_fbs;
102 	__u32 count_crtcs;
103 	__u32 count_connectors;
104 	__u32 count_encoders;
105 	__u32 min_width, max_width;
106 	__u32 min_height, max_height;
107 };
108 
109 struct drm_mode_crtc {
110 	__u64 set_connectors_ptr;
111 	__u32 count_connectors;
112 
113 	__u32 crtc_id; /**< Id */
114 	__u32 fb_id; /**< Id of framebuffer */
115 
116 	__u32 x, y; /**< Position on the frameuffer */
117 
118 	__u32 gamma_size;
119 	__u32 mode_valid;
120 	struct drm_mode_modeinfo mode;
121 };
122 
123 #define DRM_MODE_ENCODER_NONE	0
124 #define DRM_MODE_ENCODER_DAC	1
125 #define DRM_MODE_ENCODER_TMDS	2
126 #define DRM_MODE_ENCODER_LVDS	3
127 #define DRM_MODE_ENCODER_TVDAC	4
128 
129 struct drm_mode_get_encoder {
130 	__u32 encoder_id;
131 	__u32 encoder_type;
132 
133 	__u32 crtc_id; /**< Id of crtc */
134 
135 	__u32 possible_crtcs;
136 	__u32 possible_clones;
137 };
138 
139 /* This is for connectors with multiple signal types. */
140 /* Try to match DRM_MODE_CONNECTOR_X as closely as possible. */
141 #define DRM_MODE_SUBCONNECTOR_Automatic	0
142 #define DRM_MODE_SUBCONNECTOR_Unknown	0
143 #define DRM_MODE_SUBCONNECTOR_DVID	3
144 #define DRM_MODE_SUBCONNECTOR_DVIA	4
145 #define DRM_MODE_SUBCONNECTOR_Composite	5
146 #define DRM_MODE_SUBCONNECTOR_SVIDEO	6
147 #define DRM_MODE_SUBCONNECTOR_Component	8
148 #define DRM_MODE_SUBCONNECTOR_SCART	9
149 
150 #define DRM_MODE_CONNECTOR_Unknown	0
151 #define DRM_MODE_CONNECTOR_VGA		1
152 #define DRM_MODE_CONNECTOR_DVII		2
153 #define DRM_MODE_CONNECTOR_DVID		3
154 #define DRM_MODE_CONNECTOR_DVIA		4
155 #define DRM_MODE_CONNECTOR_Composite	5
156 #define DRM_MODE_CONNECTOR_SVIDEO	6
157 #define DRM_MODE_CONNECTOR_LVDS		7
158 #define DRM_MODE_CONNECTOR_Component	8
159 #define DRM_MODE_CONNECTOR_9PinDIN	9
160 #define DRM_MODE_CONNECTOR_DisplayPort	10
161 #define DRM_MODE_CONNECTOR_HDMIA	11
162 #define DRM_MODE_CONNECTOR_HDMIB	12
163 #define DRM_MODE_CONNECTOR_TV		13
164 #define DRM_MODE_CONNECTOR_eDP		14
165 
166 struct drm_mode_get_connector {
167 
168 	__u64 encoders_ptr;
169 	__u64 modes_ptr;
170 	__u64 props_ptr;
171 	__u64 prop_values_ptr;
172 
173 	__u32 count_modes;
174 	__u32 count_props;
175 	__u32 count_encoders;
176 
177 	__u32 encoder_id; /**< Current Encoder */
178 	__u32 connector_id; /**< Id */
179 	__u32 connector_type;
180 	__u32 connector_type_id;
181 
182 	__u32 connection;
183 	__u32 mm_width, mm_height; /**< HxW in millimeters */
184 	__u32 subpixel;
185 };
186 
187 #define DRM_MODE_PROP_PENDING	(1<<0)
188 #define DRM_MODE_PROP_RANGE	(1<<1)
189 #define DRM_MODE_PROP_IMMUTABLE	(1<<2)
190 #define DRM_MODE_PROP_ENUM	(1<<3) /* enumerated type with text strings */
191 #define DRM_MODE_PROP_BLOB	(1<<4)
192 
193 struct drm_mode_property_enum {
194 	__u64 value;
195 	char name[DRM_PROP_NAME_LEN];
196 };
197 
198 struct drm_mode_get_property {
199 	__u64 values_ptr; /* values and blob lengths */
200 	__u64 enum_blob_ptr; /* enum and blob id ptrs */
201 
202 	__u32 prop_id;
203 	__u32 flags;
204 	char name[DRM_PROP_NAME_LEN];
205 
206 	__u32 count_values;
207 	__u32 count_enum_blobs;
208 };
209 
210 struct drm_mode_connector_set_property {
211 	__u64 value;
212 	__u32 prop_id;
213 	__u32 connector_id;
214 };
215 
216 struct drm_mode_get_blob {
217 	__u32 blob_id;
218 	__u32 length;
219 	__u64 data;
220 };
221 
222 struct drm_mode_fb_cmd {
223 	__u32 fb_id;
224 	__u32 width, height;
225 	__u32 pitch;
226 	__u32 bpp;
227 	__u32 depth;
228 	/* driver specific handle */
229 	__u32 handle;
230 };
231 
232 #define DRM_MODE_FB_DIRTY_ANNOTATE_COPY 0x01
233 #define DRM_MODE_FB_DIRTY_ANNOTATE_FILL 0x02
234 #define DRM_MODE_FB_DIRTY_FLAGS         0x03
235 
236 /*
237  * Mark a region of a framebuffer as dirty.
238  *
239  * Some hardware does not automatically update display contents
240  * as a hardware or software draw to a framebuffer. This ioctl
241  * allows userspace to tell the kernel and the hardware what
242  * regions of the framebuffer have changed.
243  *
244  * The kernel or hardware is free to update more then just the
245  * region specified by the clip rects. The kernel or hardware
246  * may also delay and/or coalesce several calls to dirty into a
247  * single update.
248  *
249  * Userspace may annotate the updates, the annotates are a
250  * promise made by the caller that the change is either a copy
251  * of pixels or a fill of a single color in the region specified.
252  *
253  * If the DRM_MODE_FB_DIRTY_ANNOTATE_COPY flag is given then
254  * the number of updated regions are half of num_clips given,
255  * where the clip rects are paired in src and dst. The width and
256  * height of each one of the pairs must match.
257  *
258  * If the DRM_MODE_FB_DIRTY_ANNOTATE_FILL flag is given the caller
259  * promises that the region specified of the clip rects is filled
260  * completely with a single color as given in the color argument.
261  */
262 
263 struct drm_mode_fb_dirty_cmd {
264 	__u32 fb_id;
265 	__u32 flags;
266 	__u32 color;
267 	__u32 num_clips;
268 	__u64 clips_ptr;
269 };
270 
271 struct drm_mode_mode_cmd {
272 	__u32 connector_id;
273 	struct drm_mode_modeinfo mode;
274 };
275 
276 #define DRM_MODE_CURSOR_BO	(1<<0)
277 #define DRM_MODE_CURSOR_MOVE	(1<<1)
278 
279 /*
280  * depending on the value in flags different members are used.
281  *
282  * CURSOR_BO uses
283  *    crtc
284  *    width
285  *    height
286  *    handle - if 0 turns the cursor of
287  *
288  * CURSOR_MOVE uses
289  *    crtc
290  *    x
291  *    y
292  */
293 struct drm_mode_cursor {
294 	__u32 flags;
295 	__u32 crtc_id;
296 	__s32 x;
297 	__s32 y;
298 	__u32 width;
299 	__u32 height;
300 	/* driver specific handle */
301 	__u32 handle;
302 };
303 
304 struct drm_mode_crtc_lut {
305 	__u32 crtc_id;
306 	__u32 gamma_size;
307 
308 	/* pointers to arrays */
309 	__u64 red;
310 	__u64 green;
311 	__u64 blue;
312 };
313 
314 #define DRM_MODE_PAGE_FLIP_EVENT 0x01
315 #define DRM_MODE_PAGE_FLIP_FLAGS DRM_MODE_PAGE_FLIP_EVENT
316 
317 /*
318  * Request a page flip on the specified crtc.
319  *
320  * This ioctl will ask KMS to schedule a page flip for the specified
321  * crtc.  Once any pending rendering targeting the specified fb (as of
322  * ioctl time) has completed, the crtc will be reprogrammed to display
323  * that fb after the next vertical refresh.  The ioctl returns
324  * immediately, but subsequent rendering to the current fb will block
325  * in the execbuffer ioctl until the page flip happens.  If a page
326  * flip is already pending as the ioctl is called, EBUSY will be
327  * returned.
328  *
329  * The ioctl supports one flag, DRM_MODE_PAGE_FLIP_EVENT, which will
330  * request that drm sends back a vblank event (see drm.h: struct
331  * drm_event_vblank) when the page flip is done.  The user_data field
332  * passed in with this ioctl will be returned as the user_data field
333  * in the vblank event struct.
334  *
335  * The reserved field must be zero until we figure out something
336  * clever to use it for.
337  */
338 
339 struct drm_mode_crtc_page_flip {
340 	__u32 crtc_id;
341 	__u32 fb_id;
342 	__u32 flags;
343 	__u32 reserved;
344 	__u64 user_data;
345 };
346 
347 /* create a dumb scanout buffer */
348 struct drm_mode_create_dumb {
349 	uint32_t height;
350 	uint32_t width;
351 	uint32_t bpp;
352 	uint32_t flags;
353 	/* handle, pitch, size will be returned */
354 	uint32_t handle;
355 	uint32_t pitch;
356 	uint64_t size;
357 };
358 
359 /* set up for mmap of a dumb scanout buffer */
360 struct drm_mode_map_dumb {
361 	/** Handle for the object being mapped. */
362 	__u32 handle;
363 	__u32 pad;
364 	/**
365 	 * Fake offset to use for subsequent mmap call
366 	 *
367 	 * This is a fixed-size type for 32/64 compatibility.
368 	 */
369 	__u64 offset;
370 };
371 
372 struct drm_mode_destroy_dumb {
373 	uint32_t handle;
374 };
375 
376 #endif
377