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-rw-r--r--libdrm/xf86drmMode.h256
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diff --git a/libdrm/xf86drmMode.h b/libdrm/xf86drmMode.h
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1/*
2 * \file xf86drmMode.h
3 * Header for DRM modesetting interface.
4 *
5 * \author Jakob Bornecrantz <wallbraker@gmail.com>
6 *
7 * \par Acknowledgements:
8 * Feb 2007, Dave Airlie <airlied@linux.ie>
9 */
10
11/*
12 * Copyright (c) <year> <copyright holders>
13 *
14 * Permission is hereby granted, free of charge, to any person obtaining a
15 * copy of this software and associated documentation files (the "Software"),
16 * to deal in the Software without restriction, including without limitation
17 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
18 * and/or sell copies of the Software, and to permit persons to whom the
19 * Software is furnished to do so, subject to the following conditions:
20 *
21 * The above copyright notice and this permission notice shall be included in
22 * all copies or substantial portions of the Software.
23 *
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
25 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
26 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
27 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
28 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
29 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
30 * IN THE SOFTWARE.
31 *
32 */
33
34#include <drm.h>
35
36/*
37 * This is the interface for modesetting for drm.
38 *
39 * In order to use this interface you must include either <stdint.h> or another
40 * header defining uint32_t, int32_t and uint16_t.
41 *
42 * It aims to provide a randr1.2 compatible interface for modesettings in the
43 * kernel, the interface is also ment to be used by libraries like EGL.
44 *
45 * More information can be found in randrproto.txt which can be found here:
46 * http://gitweb.freedesktop.org/?p=xorg/proto/randrproto.git
47 *
48 * There are some major diffrences to be noted. Unlike the randr1.2 proto you
49 * need to create the memory object of the framebuffer yourself with the ttm
50 * buffer object interface. This object needs to be pinned.
51 */
52
53typedef struct _drmModeRes {
54
55 int count_fbs;
56 uint32_t *fbs;
57
58 int count_crtcs;
59 uint32_t *crtcs;
60
61 int count_connectors;
62 uint32_t *connectors;
63
64 int count_encoders;
65 uint32_t *encoders;
66
67 uint32_t min_width, max_width;
68 uint32_t min_height, max_height;
69} drmModeRes, *drmModeResPtr;
70
71typedef struct drm_mode_fb_cmd drmModeFB, *drmModeFBPtr;
72
73typedef struct _drmModePropertyBlob {
74 uint32_t id;
75 uint32_t length;
76 void *data;
77} drmModePropertyBlobRes, *drmModePropertyBlobPtr;
78
79typedef struct _drmModeProperty {
80 uint32_t prop_id;
81 uint32_t flags;
82 char name[DRM_PROP_NAME_LEN];
83 int count_values;
84 uint64_t *values; // store the blob lengths
85 int count_enums;
86 struct drm_mode_property_enum *enums;
87 int count_blobs;
88 uint32_t *blob_ids; // store the blob IDs
89} drmModePropertyRes, *drmModePropertyPtr;
90
91typedef struct _drmModeCrtc {
92 uint32_t crtc_id;
93 uint32_t buffer_id; /**< FB id to connect to 0 = disconnect */
94
95 uint32_t x, y; /**< Position on the framebuffer */
96 uint32_t width, height;
97 int mode_valid;
98 struct drm_mode_modeinfo mode;
99
100 int gamma_size; /**< Number of gamma stops */
101
102} drmModeCrtc, *drmModeCrtcPtr;
103
104typedef struct _drmModeEncoder {
105 uint32_t encoder_id;
106 uint32_t encoder_type;
107 uint32_t crtc_id;
108 uint32_t possible_crtcs;
109 uint32_t possible_clones;
110} drmModeEncoder, *drmModeEncoderPtr;
111
112typedef enum {
113 DRM_MODE_CONNECTED = 1,
114 DRM_MODE_DISCONNECTED = 2,
115 DRM_MODE_UNKNOWNCONNECTION = 3
116} drmModeConnection;
117
118typedef enum {
119 DRM_MODE_SUBPIXEL_UNKNOWN = 1,
120 DRM_MODE_SUBPIXEL_HORIZONTAL_RGB = 2,
121 DRM_MODE_SUBPIXEL_HORIZONTAL_BGR = 3,
122 DRM_MODE_SUBPIXEL_VERTICAL_RGB = 4,
123 DRM_MODE_SUBPIXEL_VERTICAL_BGR = 5,
124 DRM_MODE_SUBPIXEL_NONE = 6
125} drmModeSubPixel;
126
127typedef struct _drmModeConnector {
128 uint32_t connector_id;
129 uint32_t encoder_id; /**< Encoder currently connected to */
130 uint32_t connector_type;
131 uint32_t connector_type_id;
132 drmModeConnection connection;
133 uint32_t mmWidth, mmHeight; /**< HxW in millimeters */
134 drmModeSubPixel subpixel;
135
136 int count_modes;
137 struct drm_mode_modeinfo *modes;
138
139 int count_props;
140 uint32_t *props; /**< List of property ids */
141 uint64_t *prop_values; /**< List of property values */
142
143 int count_encoders;
144 uint32_t *encoders; /**< List of encoder ids */
145} drmModeConnector, *drmModeConnectorPtr;
146
147
148
149extern void drmModeFreeModeInfo( struct drm_mode_modeinfo *ptr );
150extern void drmModeFreeResources( drmModeResPtr ptr );
151extern void drmModeFreeFB( drmModeFBPtr ptr );
152extern void drmModeFreeCrtc( drmModeCrtcPtr ptr );
153extern void drmModeFreeConnector( drmModeConnectorPtr ptr );
154extern void drmModeFreeEncoder( drmModeEncoderPtr ptr );
155
156/**
157 * Retrives all of the resources associated with a card.
158 */
159extern drmModeResPtr drmModeGetResources(int fd);
160
161/*
162 * FrameBuffer manipulation.
163 */
164
165/**
166 * Retrive information about framebuffer bufferId
167 */
168extern drmModeFBPtr drmModeGetFB(int fd, uint32_t bufferId);
169
170/**
171 * Creates a new framebuffer with an buffer object as its scanout buffer.
172 */
173extern int drmModeAddFB(int fd, uint32_t width, uint32_t height, uint8_t depth,
174 uint8_t bpp, uint32_t pitch, uint32_t bo_handle,
175 uint32_t *buf_id);
176/**
177 * Destroies the given framebuffer.
178 */
179extern int drmModeRmFB(int fd, uint32_t bufferId);
180
181/**
182 * Replace a framebuffer object with a new one - for resizing the screen.
183 */
184extern int drmModeReplaceFB(int fd, uint32_t buffer_id,
185 uint32_t width, uint32_t height, uint8_t depth,
186 uint8_t bpp, uint32_t pitch, uint32_t bo_handle);
187
188/*
189 * Crtc functions
190 */
191
192/**
193 * Retrive information about the ctrt crtcId
194 */
195extern drmModeCrtcPtr drmModeGetCrtc(int fd, uint32_t crtcId);
196
197/**
198 * Set the mode on a crtc crtcId with the given mode modeId.
199 */
200int drmModeSetCrtc(int fd, uint32_t crtcId, uint32_t bufferId,
201 uint32_t x, uint32_t y, uint32_t *connectors, int count,
202 struct drm_mode_modeinfo *mode);
203
204/*
205 * Cursor functions
206 */
207
208/**
209 * Set the cursor on crtc
210 */
211int drmModeSetCursor(int fd, uint32_t crtcId, uint32_t bo_handle, uint32_t width, uint32_t height);
212
213/**
214 * Move the cursor on crtc
215 */
216int drmModeMoveCursor(int fd, uint32_t crtcId, int x, int y);
217
218/**
219 * Encoder functions
220 */
221drmModeEncoderPtr drmModeGetEncoder(int fd, uint32_t encoder_id);
222
223/*
224 * Connector manipulation
225 */
226
227/**
228 * Retrive information about the connector connectorId.
229 */
230extern drmModeConnectorPtr drmModeGetConnector(int fd,
231 uint32_t connectorId);
232
233/**
234 * Attaches the given mode to an connector.
235 */
236extern int drmModeAttachMode(int fd, uint32_t connectorId, struct drm_mode_modeinfo *mode_info);
237
238/**
239 * Detaches a mode from the connector
240 * must be unused, by the given mode.
241 */
242extern int drmModeDetachMode(int fd, uint32_t connectorId, struct drm_mode_modeinfo *mode_info);
243
244extern drmModePropertyPtr drmModeGetProperty(int fd, uint32_t propertyId);
245extern void drmModeFreeProperty(drmModePropertyPtr ptr);
246
247extern drmModePropertyBlobPtr drmModeGetPropertyBlob(int fd, uint32_t blob_id);
248extern void drmModeFreePropertyBlob(drmModePropertyBlobPtr ptr);
249extern int drmModeConnectorSetProperty(int fd, uint32_t connector_id, uint32_t property_id,
250 uint64_t value);
251extern int drmCheckModesettingSupported(const char *busid);
252
253extern int drmModeCrtcSetGamma(int fd, uint32_t crtc_id, uint32_t size,
254 uint16_t *red, uint16_t *green, uint16_t *blue);
255extern int drmModeCrtcGetGamma(int fd, uint32_t crtc_id, uint32_t size,
256 uint16_t *red, uint16_t *green, uint16_t *blue);
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