tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
78/* Dirty info options */
79#define DRM_MODE_DIRTY_OFF 0
80#define DRM_MODE_DIRTY_ON 1
81#define DRM_MODE_DIRTY_ANNOTATE 2
82
83struct drm_mode_modeinfo {
84 __u32 clock;
85 __u16 hdisplay, hsync_start, hsync_end, htotal, hskew;
86 __u16 vdisplay, vsync_start, vsync_end, vtotal, vscan;
87
88 __u32 vrefresh;
89
90 __u32 flags;
91 __u32 type;
92 char name[DRM_DISPLAY_MODE_LEN];
93};
94
95struct drm_mode_card_res {
96 __u64 fb_id_ptr;
97 __u64 crtc_id_ptr;
98 __u64 connector_id_ptr;
99 __u64 encoder_id_ptr;
100 __u32 count_fbs;
101 __u32 count_crtcs;
102 __u32 count_connectors;
103 __u32 count_encoders;
104 __u32 min_width, max_width;
105 __u32 min_height, max_height;
106};
107
108struct drm_mode_crtc {
109 __u64 set_connectors_ptr;
110 __u32 count_connectors;
111
112 __u32 crtc_id; /**< Id */
113 __u32 fb_id; /**< Id of framebuffer */
114
115 __u32 x, y; /**< Position on the frameuffer */
116
117 __u32 gamma_size;
118 __u32 mode_valid;
119 struct drm_mode_modeinfo mode;
120};
121
122#define DRM_MODE_ENCODER_NONE 0
123#define DRM_MODE_ENCODER_DAC 1
124#define DRM_MODE_ENCODER_TMDS 2
125#define DRM_MODE_ENCODER_LVDS 3
126#define DRM_MODE_ENCODER_TVDAC 4
127
128struct drm_mode_get_encoder {
129 __u32 encoder_id;
130 __u32 encoder_type;
131
132 __u32 crtc_id; /**< Id of crtc */
133
134 __u32 possible_crtcs;
135 __u32 possible_clones;
136};
137
138/* This is for connectors with multiple signal types. */
139/* Try to match DRM_MODE_CONNECTOR_X as closely as possible. */
140#define DRM_MODE_SUBCONNECTOR_Automatic 0
141#define DRM_MODE_SUBCONNECTOR_Unknown 0
142#define DRM_MODE_SUBCONNECTOR_DVID 3
143#define DRM_MODE_SUBCONNECTOR_DVIA 4
144#define DRM_MODE_SUBCONNECTOR_Composite 5
145#define DRM_MODE_SUBCONNECTOR_SVIDEO 6
146#define DRM_MODE_SUBCONNECTOR_Component 8
147#define DRM_MODE_SUBCONNECTOR_SCART 9
148
149#define DRM_MODE_CONNECTOR_Unknown 0
150#define DRM_MODE_CONNECTOR_VGA 1
151#define DRM_MODE_CONNECTOR_DVII 2
152#define DRM_MODE_CONNECTOR_DVID 3
153#define DRM_MODE_CONNECTOR_DVIA 4
154#define DRM_MODE_CONNECTOR_Composite 5
155#define DRM_MODE_CONNECTOR_SVIDEO 6
156#define DRM_MODE_CONNECTOR_LVDS 7
157#define DRM_MODE_CONNECTOR_Component 8
158#define DRM_MODE_CONNECTOR_9PinDIN 9
159#define DRM_MODE_CONNECTOR_DisplayPort 10
160#define DRM_MODE_CONNECTOR_HDMIA 11
161#define DRM_MODE_CONNECTOR_HDMIB 12
162#define DRM_MODE_CONNECTOR_TV 13
163#define DRM_MODE_CONNECTOR_eDP 14
164
165struct drm_mode_get_connector {
166
167 __u64 encoders_ptr;
168 __u64 modes_ptr;
169 __u64 props_ptr;
170 __u64 prop_values_ptr;
171
172 __u32 count_modes;
173 __u32 count_props;
174 __u32 count_encoders;
175
176 __u32 encoder_id; /**< Current Encoder */
177 __u32 connector_id; /**< Id */
178 __u32 connector_type;
179 __u32 connector_type_id;
180
181 __u32 connection;
182 __u32 mm_width, mm_height; /**< HxW in millimeters */
183 __u32 subpixel;
184};
185
186#define DRM_MODE_PROP_PENDING (1<<0)
187#define DRM_MODE_PROP_RANGE (1<<1)
188#define DRM_MODE_PROP_IMMUTABLE (1<<2)
189#define DRM_MODE_PROP_ENUM (1<<3) /* enumerated type with text strings */
190#define DRM_MODE_PROP_BLOB (1<<4)
191
192struct drm_mode_property_enum {
193 __u64 value;
194 char name[DRM_PROP_NAME_LEN];
195};
196
197struct drm_mode_get_property {
198 __u64 values_ptr; /* values and blob lengths */
199 __u64 enum_blob_ptr; /* enum and blob id ptrs */
200
201 __u32 prop_id;
202 __u32 flags;
203 char name[DRM_PROP_NAME_LEN];
204
205 __u32 count_values;
206 __u32 count_enum_blobs;
207};
208
209struct drm_mode_connector_set_property {
210 __u64 value;
211 __u32 prop_id;
212 __u32 connector_id;
213};
214
215struct drm_mode_get_blob {
216 __u32 blob_id;
217 __u32 length;
218 __u64 data;
219};
220
221struct drm_mode_fb_cmd {
222 __u32 fb_id;
223 __u32 width, height;
224 __u32 pitch;
225 __u32 bpp;
226 __u32 depth;
227 /* driver specific handle */
228 __u32 handle;
229};
230
231#define DRM_MODE_FB_DIRTY_ANNOTATE_COPY 0x01
232#define DRM_MODE_FB_DIRTY_ANNOTATE_FILL 0x02
233#define DRM_MODE_FB_DIRTY_FLAGS 0x03
234
235/*
236 * Mark a region of a framebuffer as dirty.
237 *
238 * Some hardware does not automatically update display contents
239 * as a hardware or software draw to a framebuffer. This ioctl
240 * allows userspace to tell the kernel and the hardware what
241 * regions of the framebuffer have changed.
242 *
243 * The kernel or hardware is free to update more then just the
244 * region specified by the clip rects. The kernel or hardware
245 * may also delay and/or coalesce several calls to dirty into a
246 * single update.
247 *
248 * Userspace may annotate the updates, the annotates are a
249 * promise made by the caller that the change is either a copy
250 * of pixels or a fill of a single color in the region specified.
251 *
252 * If the DRM_MODE_FB_DIRTY_ANNOTATE_COPY flag is given then
253 * the number of updated regions are half of num_clips given,
254 * where the clip rects are paired in src and dst. The width and
255 * height of each one of the pairs must match.
256 *
257 * If the DRM_MODE_FB_DIRTY_ANNOTATE_FILL flag is given the caller
258 * promises that the region specified of the clip rects is filled
259 * completely with a single color as given in the color argument.
260 */
261
262struct drm_mode_fb_dirty_cmd {
263 __u32 fb_id;
264 __u32 flags;
265 __u32 color;
266 __u32 num_clips;
267 __u64 clips_ptr;
268};
269
270struct drm_mode_mode_cmd {
271 __u32 connector_id;
272 struct drm_mode_modeinfo mode;
273};
274
275#define DRM_MODE_CURSOR_BO (1<<0)
276#define DRM_MODE_CURSOR_MOVE (1<<1)
277
278/*
279 * depending on the value in flags diffrent members are used.
280 *
281 * CURSOR_BO uses
282 * crtc
283 * width
284 * height
285 * handle - if 0 turns the cursor of
286 *
287 * CURSOR_MOVE uses
288 * crtc
289 * x
290 * y
291 */
292struct drm_mode_cursor {
293 __u32 flags;
294 __u32 crtc_id;
295 __s32 x;
296 __s32 y;
297 __u32 width;
298 __u32 height;
299 /* driver specific handle */
300 __u32 handle;
301};
302
303struct drm_mode_crtc_lut {
304 __u32 crtc_id;
305 __u32 gamma_size;
306
307 /* pointers to arrays */
308 __u64 red;
309 __u64 green;
310 __u64 blue;
311};
312
313#define DRM_MODE_PAGE_FLIP_EVENT 0x01
314#define DRM_MODE_PAGE_FLIP_FLAGS DRM_MODE_PAGE_FLIP_EVENT
315
316/*
317 * Request a page flip on the specified crtc.
318 *
319 * This ioctl will ask KMS to schedule a page flip for the specified
320 * crtc. Once any pending rendering targeting the specified fb (as of
321 * ioctl time) has completed, the crtc will be reprogrammed to display
322 * that fb after the next vertical refresh. The ioctl returns
323 * immediately, but subsequent rendering to the current fb will block
324 * in the execbuffer ioctl until the page flip happens. If a page
325 * flip is already pending as the ioctl is called, EBUSY will be
326 * returned.
327 *
328 * The ioctl supports one flag, DRM_MODE_PAGE_FLIP_EVENT, which will
329 * request that drm sends back a vblank event (see drm.h: struct
330 * drm_event_vblank) when the page flip is done. The user_data field
331 * passed in with this ioctl will be returned as the user_data field
332 * in the vblank event struct.
333 *
334 * The reserved field must be zero until we figure out something
335 * clever to use it for.
336 */
337
338struct drm_mode_crtc_page_flip {
339 __u32 crtc_id;
340 __u32 fb_id;
341 __u32 flags;
342 __u32 reserved;
343 __u64 user_data;
344};
345
346#endif