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source: vbox/trunk/src/VBox/Additions/x11/x11include/libdrm-2.4.13/xf86drmMode.h@ 43445

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1/*
2 * \file xf86drmMode.h
3 * Header for DRM modesetting interface.
4 *
5 * \author Jakob Bornecrantz <[email protected]>
6 *
7 * \par Acknowledgements:
8 * Feb 2007, Dave Airlie <[email protected]>
9 */
10
11/*
12 * Copyright (c) 2007-2008 Tungsten Graphics, Inc., Cedar Park, Texas.
13 * Copyright (c) 2007-2008 Dave Airlie <[email protected]>
14 * Copyright (c) 2007-2008 Jakob Bornecrantz <[email protected]>
15 *
16 * Permission is hereby granted, free of charge, to any person obtaining a
17 * copy of this software and associated documentation files (the "Software"),
18 * to deal in the Software without restriction, including without limitation
19 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
20 * and/or sell copies of the Software, and to permit persons to whom the
21 * Software is furnished to do so, subject to the following conditions:
22 *
23 * The above copyright notice and this permission notice shall be included in
24 * all copies or substantial portions of the Software.
25 *
26 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
27 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
28 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
29 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
30 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
31 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
32 * IN THE SOFTWARE.
33 *
34 */
35
36#include <drm.h>
37
38/*
39 * This is the interface for modesetting for drm.
40 *
41 * In order to use this interface you must include either <stdint.h> or another
42 * header defining uint32_t, int32_t and uint16_t.
43 *
44 * It aims to provide a randr1.2 compatible interface for modesettings in the
45 * kernel, the interface is also ment to be used by libraries like EGL.
46 *
47 * More information can be found in randrproto.txt which can be found here:
48 * http://gitweb.freedesktop.org/?p=xorg/proto/randrproto.git
49 *
50 * There are some major diffrences to be noted. Unlike the randr1.2 proto you
51 * need to create the memory object of the framebuffer yourself with the ttm
52 * buffer object interface. This object needs to be pinned.
53 */
54
55/*
56 * If we pickup an old version of drm.h which doesn't include drm_mode.h
57 * we should redefine defines. This is so that builds doesn't breaks with
58 * new libdrm on old kernels.
59 */
60#ifndef _DRM_MODE_H
61
62#define DRM_DISPLAY_INFO_LEN 32
63#define DRM_CONNECTOR_NAME_LEN 32
64#define DRM_DISPLAY_MODE_LEN 32
65#define DRM_PROP_NAME_LEN 32
66
67#define DRM_MODE_TYPE_BUILTIN (1<<0)
68#define DRM_MODE_TYPE_CLOCK_C ((1<<1) | DRM_MODE_TYPE_BUILTIN)
69#define DRM_MODE_TYPE_CRTC_C ((1<<2) | DRM_MODE_TYPE_BUILTIN)
70#define DRM_MODE_TYPE_PREFERRED (1<<3)
71#define DRM_MODE_TYPE_DEFAULT (1<<4)
72#define DRM_MODE_TYPE_USERDEF (1<<5)
73#define DRM_MODE_TYPE_DRIVER (1<<6)
74
75/* Video mode flags */
76/* bit compatible with the xorg definitions. */
77#define DRM_MODE_FLAG_PHSYNC (1<<0)
78#define DRM_MODE_FLAG_NHSYNC (1<<1)
79#define DRM_MODE_FLAG_PVSYNC (1<<2)
80#define DRM_MODE_FLAG_NVSYNC (1<<3)
81#define DRM_MODE_FLAG_INTERLACE (1<<4)
82#define DRM_MODE_FLAG_DBLSCAN (1<<5)
83#define DRM_MODE_FLAG_CSYNC (1<<6)
84#define DRM_MODE_FLAG_PCSYNC (1<<7)
85#define DRM_MODE_FLAG_NCSYNC (1<<8)
86#define DRM_MODE_FLAG_HSKEW (1<<9) /* hskew provided */
87#define DRM_MODE_FLAG_BCAST (1<<10)
88#define DRM_MODE_FLAG_PIXMUX (1<<11)
89#define DRM_MODE_FLAG_DBLCLK (1<<12)
90#define DRM_MODE_FLAG_CLKDIV2 (1<<13)
91
92/* DPMS flags */
93/* bit compatible with the xorg definitions. */
94#define DRM_MODE_DPMS_ON 0
95#define DRM_MODE_DPMS_STANDBY 1
96#define DRM_MODE_DPMS_SUSPEND 2
97#define DRM_MODE_DPMS_OFF 3
98
99/* Scaling mode options */
100#define DRM_MODE_SCALE_NON_GPU 0
101#define DRM_MODE_SCALE_FULLSCREEN 1
102#define DRM_MODE_SCALE_NO_SCALE 2
103#define DRM_MODE_SCALE_ASPECT 3
104
105/* Dithering mode options */
106#define DRM_MODE_DITHERING_OFF 0
107#define DRM_MODE_DITHERING_ON 1
108
109#define DRM_MODE_ENCODER_NONE 0
110#define DRM_MODE_ENCODER_DAC 1
111#define DRM_MODE_ENCODER_TMDS 2
112#define DRM_MODE_ENCODER_LVDS 3
113#define DRM_MODE_ENCODER_TVDAC 4
114
115#define DRM_MODE_SUBCONNECTOR_Automatic 0
116#define DRM_MODE_SUBCONNECTOR_Unknown 0
117#define DRM_MODE_SUBCONNECTOR_DVID 3
118#define DRM_MODE_SUBCONNECTOR_DVIA 4
119#define DRM_MODE_SUBCONNECTOR_Composite 5
120#define DRM_MODE_SUBCONNECTOR_SVIDEO 6
121#define DRM_MODE_SUBCONNECTOR_Component 8
122
123#define DRM_MODE_CONNECTOR_Unknown 0
124#define DRM_MODE_CONNECTOR_VGA 1
125#define DRM_MODE_CONNECTOR_DVII 2
126#define DRM_MODE_CONNECTOR_DVID 3
127#define DRM_MODE_CONNECTOR_DVIA 4
128#define DRM_MODE_CONNECTOR_Composite 5
129#define DRM_MODE_CONNECTOR_SVIDEO 6
130#define DRM_MODE_CONNECTOR_LVDS 7
131#define DRM_MODE_CONNECTOR_Component 8
132#define DRM_MODE_CONNECTOR_9PinDIN 9
133#define DRM_MODE_CONNECTOR_DisplayPort 10
134#define DRM_MODE_CONNECTOR_HDMIA 11
135#define DRM_MODE_CONNECTOR_HDMIB 12
136
137#define DRM_MODE_PROP_PENDING (1<<0)
138#define DRM_MODE_PROP_RANGE (1<<1)
139#define DRM_MODE_PROP_IMMUTABLE (1<<2)
140#define DRM_MODE_PROP_ENUM (1<<3) /* enumerated type with text strings */
141#define DRM_MODE_PROP_BLOB (1<<4)
142
143#define DRM_MODE_CURSOR_BO (1<<0)
144#define DRM_MODE_CURSOR_MOVE (1<<1)
145
146#endif /* _DRM_MODE_H */
147
148typedef struct _drmModeRes {
149
150 int count_fbs;
151 uint32_t *fbs;
152
153 int count_crtcs;
154 uint32_t *crtcs;
155
156 int count_connectors;
157 uint32_t *connectors;
158
159 int count_encoders;
160 uint32_t *encoders;
161
162 uint32_t min_width, max_width;
163 uint32_t min_height, max_height;
164} drmModeRes, *drmModeResPtr;
165
166typedef struct _drmModeModeInfo {
167 uint32_t clock;
168 uint16_t hdisplay, hsync_start, hsync_end, htotal, hskew;
169 uint16_t vdisplay, vsync_start, vsync_end, vtotal, vscan;
170
171 uint32_t vrefresh; /* vertical refresh * 1000 */
172
173 uint32_t flags;
174 uint32_t type;
175 char name[DRM_DISPLAY_MODE_LEN];
176} drmModeModeInfo, *drmModeModeInfoPtr;
177
178typedef struct _drmModeFB {
179 uint32_t fb_id;
180 uint32_t width, height;
181 uint32_t pitch;
182 uint32_t bpp;
183 uint32_t depth;
184 /* driver specific handle */
185 uint32_t handle;
186} drmModeFB, *drmModeFBPtr;
187
188typedef struct _drmModePropertyBlob {
189 uint32_t id;
190 uint32_t length;
191 void *data;
192} drmModePropertyBlobRes, *drmModePropertyBlobPtr;
193
194typedef struct _drmModeProperty {
195 uint32_t prop_id;
196 uint32_t flags;
197 char name[DRM_PROP_NAME_LEN];
198 int count_values;
199 uint64_t *values; // store the blob lengths
200 int count_enums;
201 struct drm_mode_property_enum *enums;
202 int count_blobs;
203 uint32_t *blob_ids; // store the blob IDs
204} drmModePropertyRes, *drmModePropertyPtr;
205
206typedef struct _drmModeCrtc {
207 uint32_t crtc_id;
208 uint32_t buffer_id; /**< FB id to connect to 0 = disconnect */
209
210 uint32_t x, y; /**< Position on the framebuffer */
211 uint32_t width, height;
212 int mode_valid;
213 drmModeModeInfo mode;
214
215 int gamma_size; /**< Number of gamma stops */
216
217} drmModeCrtc, *drmModeCrtcPtr;
218
219typedef struct _drmModeEncoder {
220 uint32_t encoder_id;
221 uint32_t encoder_type;
222 uint32_t crtc_id;
223 uint32_t possible_crtcs;
224 uint32_t possible_clones;
225} drmModeEncoder, *drmModeEncoderPtr;
226
227typedef enum {
228 DRM_MODE_CONNECTED = 1,
229 DRM_MODE_DISCONNECTED = 2,
230 DRM_MODE_UNKNOWNCONNECTION = 3
231} drmModeConnection;
232
233typedef enum {
234 DRM_MODE_SUBPIXEL_UNKNOWN = 1,
235 DRM_MODE_SUBPIXEL_HORIZONTAL_RGB = 2,
236 DRM_MODE_SUBPIXEL_HORIZONTAL_BGR = 3,
237 DRM_MODE_SUBPIXEL_VERTICAL_RGB = 4,
238 DRM_MODE_SUBPIXEL_VERTICAL_BGR = 5,
239 DRM_MODE_SUBPIXEL_NONE = 6
240} drmModeSubPixel;
241
242typedef struct _drmModeConnector {
243 uint32_t connector_id;
244 uint32_t encoder_id; /**< Encoder currently connected to */
245 uint32_t connector_type;
246 uint32_t connector_type_id;
247 drmModeConnection connection;
248 uint32_t mmWidth, mmHeight; /**< HxW in millimeters */
249 drmModeSubPixel subpixel;
250
251 int count_modes;
252 drmModeModeInfoPtr modes;
253
254 int count_props;
255 uint32_t *props; /**< List of property ids */
256 uint64_t *prop_values; /**< List of property values */
257
258 int count_encoders;
259 uint32_t *encoders; /**< List of encoder ids */
260} drmModeConnector, *drmModeConnectorPtr;
261
262
263
264extern void drmModeFreeModeInfo( drmModeModeInfoPtr ptr );
265extern void drmModeFreeResources( drmModeResPtr ptr );
266extern void drmModeFreeFB( drmModeFBPtr ptr );
267extern void drmModeFreeCrtc( drmModeCrtcPtr ptr );
268extern void drmModeFreeConnector( drmModeConnectorPtr ptr );
269extern void drmModeFreeEncoder( drmModeEncoderPtr ptr );
270
271/**
272 * Retrives all of the resources associated with a card.
273 */
274extern drmModeResPtr drmModeGetResources(int fd);
275
276/*
277 * FrameBuffer manipulation.
278 */
279
280/**
281 * Retrive information about framebuffer bufferId
282 */
283extern drmModeFBPtr drmModeGetFB(int fd, uint32_t bufferId);
284
285/**
286 * Creates a new framebuffer with an buffer object as its scanout buffer.
287 */
288extern int drmModeAddFB(int fd, uint32_t width, uint32_t height, uint8_t depth,
289 uint8_t bpp, uint32_t pitch, uint32_t bo_handle,
290 uint32_t *buf_id);
291/**
292 * Destroies the given framebuffer.
293 */
294extern int drmModeRmFB(int fd, uint32_t bufferId);
295
296/*
297 * Crtc functions
298 */
299
300/**
301 * Retrive information about the ctrt crtcId
302 */
303extern drmModeCrtcPtr drmModeGetCrtc(int fd, uint32_t crtcId);
304
305/**
306 * Set the mode on a crtc crtcId with the given mode modeId.
307 */
308int drmModeSetCrtc(int fd, uint32_t crtcId, uint32_t bufferId,
309 uint32_t x, uint32_t y, uint32_t *connectors, int count,
310 drmModeModeInfoPtr mode);
311
312/*
313 * Cursor functions
314 */
315
316/**
317 * Set the cursor on crtc
318 */
319int drmModeSetCursor(int fd, uint32_t crtcId, uint32_t bo_handle, uint32_t width, uint32_t height);
320
321/**
322 * Move the cursor on crtc
323 */
324int drmModeMoveCursor(int fd, uint32_t crtcId, int x, int y);
325
326/**
327 * Encoder functions
328 */
329drmModeEncoderPtr drmModeGetEncoder(int fd, uint32_t encoder_id);
330
331/*
332 * Connector manipulation
333 */
334
335/**
336 * Retrive information about the connector connectorId.
337 */
338extern drmModeConnectorPtr drmModeGetConnector(int fd,
339 uint32_t connectorId);
340
341/**
342 * Attaches the given mode to an connector.
343 */
344extern int drmModeAttachMode(int fd, uint32_t connectorId, drmModeModeInfoPtr mode_info);
345
346/**
347 * Detaches a mode from the connector
348 * must be unused, by the given mode.
349 */
350extern int drmModeDetachMode(int fd, uint32_t connectorId, drmModeModeInfoPtr mode_info);
351
352extern drmModePropertyPtr drmModeGetProperty(int fd, uint32_t propertyId);
353extern void drmModeFreeProperty(drmModePropertyPtr ptr);
354
355extern drmModePropertyBlobPtr drmModeGetPropertyBlob(int fd, uint32_t blob_id);
356extern void drmModeFreePropertyBlob(drmModePropertyBlobPtr ptr);
357extern int drmModeConnectorSetProperty(int fd, uint32_t connector_id, uint32_t property_id,
358 uint64_t value);
359extern int drmCheckModesettingSupported(const char *busid);
360
361extern int drmModeCrtcSetGamma(int fd, uint32_t crtc_id, uint32_t size,
362 uint16_t *red, uint16_t *green, uint16_t *blue);
363extern int drmModeCrtcGetGamma(int fd, uint32_t crtc_id, uint32_t size,
364 uint16_t *red, uint16_t *green, uint16_t *blue);
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