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
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:
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
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
30 #include <linux/types.h>
32 #define DRM_DISPLAY_INFO_LEN 32
33 #define DRM_CONNECTOR_NAME_LEN 32
34 #define DRM_DISPLAY_MODE_LEN 32
35 #define DRM_PROP_NAME_LEN 32
37 #define DRM_MODE_TYPE_BUILTIN (1<<0)
38 #define DRM_MODE_TYPE_CLOCK_C ((1<<1) | DRM_MODE_TYPE_BUILTIN)
39 #define DRM_MODE_TYPE_CRTC_C ((1<<2) | DRM_MODE_TYPE_BUILTIN)
40 #define DRM_MODE_TYPE_PREFERRED (1<<3)
41 #define DRM_MODE_TYPE_DEFAULT (1<<4)
42 #define DRM_MODE_TYPE_USERDEF (1<<5)
43 #define DRM_MODE_TYPE_DRIVER (1<<6)
45 /* Video mode flags */
46 /* bit compatible with the xorg definitions. */
47 #define DRM_MODE_FLAG_PHSYNC (1<<0)
48 #define DRM_MODE_FLAG_NHSYNC (1<<1)
49 #define DRM_MODE_FLAG_PVSYNC (1<<2)
50 #define DRM_MODE_FLAG_NVSYNC (1<<3)
51 #define DRM_MODE_FLAG_INTERLACE (1<<4)
52 #define DRM_MODE_FLAG_DBLSCAN (1<<5)
53 #define DRM_MODE_FLAG_CSYNC (1<<6)
54 #define DRM_MODE_FLAG_PCSYNC (1<<7)
55 #define DRM_MODE_FLAG_NCSYNC (1<<8)
56 #define DRM_MODE_FLAG_HSKEW (1<<9) /* hskew provided */
57 #define DRM_MODE_FLAG_BCAST (1<<10)
58 #define DRM_MODE_FLAG_PIXMUX (1<<11)
59 #define DRM_MODE_FLAG_DBLCLK (1<<12)
60 #define DRM_MODE_FLAG_CLKDIV2 (1<<13)
62 * When adding a new stereo mode don't forget to adjust DRM_MODE_FLAGS_3D_MAX
63 * (define not exposed to user space).
65 #define DRM_MODE_FLAG_3D_MASK (0x1f<<14)
66 #define DRM_MODE_FLAG_3D_NONE (0<<14)
67 #define DRM_MODE_FLAG_3D_FRAME_PACKING (1<<14)
68 #define DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE (2<<14)
69 #define DRM_MODE_FLAG_3D_LINE_ALTERNATIVE (3<<14)
70 #define DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL (4<<14)
71 #define DRM_MODE_FLAG_3D_L_DEPTH (5<<14)
72 #define DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH (6<<14)
73 #define DRM_MODE_FLAG_3D_TOP_AND_BOTTOM (7<<14)
74 #define DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF (8<<14)
78 /* bit compatible with the xorg definitions. */
79 #define DRM_MODE_DPMS_ON 0
80 #define DRM_MODE_DPMS_STANDBY 1
81 #define DRM_MODE_DPMS_SUSPEND 2
82 #define DRM_MODE_DPMS_OFF 3
84 /* Scaling mode options */
85 #define DRM_MODE_SCALE_NONE 0 /* Unmodified timing (display or
86 software can still scale) */
87 #define DRM_MODE_SCALE_FULLSCREEN 1 /* Full screen, ignore aspect */
88 #define DRM_MODE_SCALE_CENTER 2 /* Centered, no scaling */
89 #define DRM_MODE_SCALE_ASPECT 3 /* Full screen, preserve aspect */
91 /* Dithering mode options */
92 #define DRM_MODE_DITHERING_OFF 0
93 #define DRM_MODE_DITHERING_ON 1
94 #define DRM_MODE_DITHERING_AUTO 2
96 /* Dirty info options */
97 #define DRM_MODE_DIRTY_OFF 0
98 #define DRM_MODE_DIRTY_ON 1
99 #define DRM_MODE_DIRTY_ANNOTATE 2
101 struct drm_mode_modeinfo {
103 __u16 hdisplay, hsync_start, hsync_end, htotal, hskew;
104 __u16 vdisplay, vsync_start, vsync_end, vtotal, vscan;
110 char name[DRM_DISPLAY_MODE_LEN];
113 struct drm_mode_card_res {
116 __u64 connector_id_ptr;
117 __u64 encoder_id_ptr;
120 __u32 count_connectors;
121 __u32 count_encoders;
122 __u32 min_width, max_width;
123 __u32 min_height, max_height;
126 struct drm_mode_crtc {
127 __u64 set_connectors_ptr;
128 __u32 count_connectors;
130 __u32 crtc_id; /**< Id */
131 __u32 fb_id; /**< Id of framebuffer */
133 __u32 x, y; /**< Position on the frameuffer */
137 struct drm_mode_modeinfo mode;
140 #define DRM_MODE_PRESENT_TOP_FIELD (1<<0)
141 #define DRM_MODE_PRESENT_BOTTOM_FIELD (1<<1)
143 /* Planes blend with or override other bits on the CRTC */
144 struct drm_mode_set_plane {
147 __u32 fb_id; /* fb object contains surface format type */
148 __u32 flags; /* see above flags */
150 /* Signed dest location allows it to be partially off screen */
151 __s32 crtc_x, crtc_y;
152 __u32 crtc_w, crtc_h;
154 /* Source values are 16.16 fixed point */
159 struct drm_mode_get_plane {
165 __u32 possible_crtcs;
168 __u32 count_format_types;
169 __u64 format_type_ptr;
172 struct drm_mode_get_plane_res {
177 #define DRM_MODE_ENCODER_NONE 0
178 #define DRM_MODE_ENCODER_DAC 1
179 #define DRM_MODE_ENCODER_TMDS 2
180 #define DRM_MODE_ENCODER_LVDS 3
181 #define DRM_MODE_ENCODER_TVDAC 4
182 #define DRM_MODE_ENCODER_VIRTUAL 5
183 #define DRM_MODE_ENCODER_DSI 6
185 struct drm_mode_get_encoder {
189 __u32 crtc_id; /**< Id of crtc */
191 __u32 possible_crtcs;
192 __u32 possible_clones;
195 /* This is for connectors with multiple signal types. */
196 /* Try to match DRM_MODE_CONNECTOR_X as closely as possible. */
197 #define DRM_MODE_SUBCONNECTOR_Automatic 0
198 #define DRM_MODE_SUBCONNECTOR_Unknown 0
199 #define DRM_MODE_SUBCONNECTOR_DVID 3
200 #define DRM_MODE_SUBCONNECTOR_DVIA 4
201 #define DRM_MODE_SUBCONNECTOR_Composite 5
202 #define DRM_MODE_SUBCONNECTOR_SVIDEO 6
203 #define DRM_MODE_SUBCONNECTOR_Component 8
204 #define DRM_MODE_SUBCONNECTOR_SCART 9
206 #define DRM_MODE_CONNECTOR_Unknown 0
207 #define DRM_MODE_CONNECTOR_VGA 1
208 #define DRM_MODE_CONNECTOR_DVII 2
209 #define DRM_MODE_CONNECTOR_DVID 3
210 #define DRM_MODE_CONNECTOR_DVIA 4
211 #define DRM_MODE_CONNECTOR_Composite 5
212 #define DRM_MODE_CONNECTOR_SVIDEO 6
213 #define DRM_MODE_CONNECTOR_LVDS 7
214 #define DRM_MODE_CONNECTOR_Component 8
215 #define DRM_MODE_CONNECTOR_9PinDIN 9
216 #define DRM_MODE_CONNECTOR_DisplayPort 10
217 #define DRM_MODE_CONNECTOR_HDMIA 11
218 #define DRM_MODE_CONNECTOR_HDMIB 12
219 #define DRM_MODE_CONNECTOR_TV 13
220 #define DRM_MODE_CONNECTOR_eDP 14
221 #define DRM_MODE_CONNECTOR_VIRTUAL 15
222 #define DRM_MODE_CONNECTOR_DSI 16
224 struct drm_mode_get_connector {
229 __u64 prop_values_ptr;
233 __u32 count_encoders;
235 __u32 encoder_id; /**< Current Encoder */
236 __u32 connector_id; /**< Id */
237 __u32 connector_type;
238 __u32 connector_type_id;
241 __u32 mm_width, mm_height; /**< HxW in millimeters */
247 #define DRM_MODE_PROP_PENDING (1<<0)
248 #define DRM_MODE_PROP_RANGE (1<<1)
249 #define DRM_MODE_PROP_IMMUTABLE (1<<2)
250 #define DRM_MODE_PROP_ENUM (1<<3) /* enumerated type with text strings */
251 #define DRM_MODE_PROP_BLOB (1<<4)
252 #define DRM_MODE_PROP_BITMASK (1<<5) /* bitmask of enumerated types */
254 struct drm_mode_property_enum {
256 char name[DRM_PROP_NAME_LEN];
259 struct drm_mode_get_property {
260 __u64 values_ptr; /* values and blob lengths */
261 __u64 enum_blob_ptr; /* enum and blob id ptrs */
265 char name[DRM_PROP_NAME_LEN];
268 __u32 count_enum_blobs;
271 struct drm_mode_connector_set_property {
277 struct drm_mode_obj_get_properties {
279 __u64 prop_values_ptr;
285 struct drm_mode_obj_set_property {
292 struct drm_mode_get_blob {
298 struct drm_mode_fb_cmd {
304 /* driver specific handle */
308 #define DRM_MODE_FB_INTERLACED (1<<0) /* for interlaced framebuffers */
310 struct drm_mode_fb_cmd2 {
313 __u32 pixel_format; /* fourcc code from drm_fourcc.h */
314 __u32 flags; /* see above flags */
317 * In case of planar formats, this ioctl allows up to 4
318 * buffer objects with offets and pitches per plane.
319 * The pitch and offset order is dictated by the fourcc,
320 * e.g. NV12 (http://fourcc.org/yuv.php#NV12) is described as:
322 * YUV 4:2:0 image with a plane of 8 bit Y samples
323 * followed by an interleaved U/V plane containing
324 * 8 bit 2x2 subsampled colour difference samples.
326 * So it would consist of Y as offset[0] and UV as
327 * offeset[1]. Note that offset[0] will generally
331 __u32 pitches[4]; /* pitch for each plane */
332 __u32 offsets[4]; /* offset of each plane */
335 #define DRM_MODE_FB_DIRTY_ANNOTATE_COPY 0x01
336 #define DRM_MODE_FB_DIRTY_ANNOTATE_FILL 0x02
337 #define DRM_MODE_FB_DIRTY_FLAGS 0x03
339 #define DRM_MODE_FB_DIRTY_MAX_CLIPS 256
342 * Mark a region of a framebuffer as dirty.
344 * Some hardware does not automatically update display contents
345 * as a hardware or software draw to a framebuffer. This ioctl
346 * allows userspace to tell the kernel and the hardware what
347 * regions of the framebuffer have changed.
349 * The kernel or hardware is free to update more then just the
350 * region specified by the clip rects. The kernel or hardware
351 * may also delay and/or coalesce several calls to dirty into a
354 * Userspace may annotate the updates, the annotates are a
355 * promise made by the caller that the change is either a copy
356 * of pixels or a fill of a single color in the region specified.
358 * If the DRM_MODE_FB_DIRTY_ANNOTATE_COPY flag is given then
359 * the number of updated regions are half of num_clips given,
360 * where the clip rects are paired in src and dst. The width and
361 * height of each one of the pairs must match.
363 * If the DRM_MODE_FB_DIRTY_ANNOTATE_FILL flag is given the caller
364 * promises that the region specified of the clip rects is filled
365 * completely with a single color as given in the color argument.
368 struct drm_mode_fb_dirty_cmd {
376 struct drm_mode_mode_cmd {
378 struct drm_mode_modeinfo mode;
381 #define DRM_MODE_CURSOR_BO 0x01
382 #define DRM_MODE_CURSOR_MOVE 0x02
383 #define DRM_MODE_CURSOR_FLAGS 0x03
386 * depending on the value in flags different members are used.
392 * handle - if 0 turns the cursor off
399 struct drm_mode_cursor {
406 /* driver specific handle */
410 struct drm_mode_cursor2 {
417 /* driver specific handle */
423 struct drm_mode_crtc_lut {
427 /* pointers to arrays */
433 #define DRM_MODE_PAGE_FLIP_EVENT 0x01
434 #define DRM_MODE_PAGE_FLIP_ASYNC 0x02
435 #define DRM_MODE_PAGE_FLIP_FLAGS (DRM_MODE_PAGE_FLIP_EVENT|DRM_MODE_PAGE_FLIP_ASYNC)
438 * Request a page flip on the specified crtc.
440 * This ioctl will ask KMS to schedule a page flip for the specified
441 * crtc. Once any pending rendering targeting the specified fb (as of
442 * ioctl time) has completed, the crtc will be reprogrammed to display
443 * that fb after the next vertical refresh. The ioctl returns
444 * immediately, but subsequent rendering to the current fb will block
445 * in the execbuffer ioctl until the page flip happens. If a page
446 * flip is already pending as the ioctl is called, EBUSY will be
449 * Flag DRM_MODE_PAGE_FLIP_EVENT requests that drm sends back a vblank
450 * event (see drm.h: struct drm_event_vblank) when the page flip is
451 * done. The user_data field passed in with this ioctl will be
452 * returned as the user_data field in the vblank event struct.
454 * Flag DRM_MODE_PAGE_FLIP_ASYNC requests that the flip happen
455 * 'as soon as possible', meaning that it not delay waiting for vblank.
456 * This may cause tearing on the screen.
458 * The reserved field must be zero until we figure out something
459 * clever to use it for.
462 struct drm_mode_crtc_page_flip {
470 /* create a dumb scanout buffer */
471 struct drm_mode_create_dumb {
476 /* handle, pitch, size will be returned */
482 /* set up for mmap of a dumb scanout buffer */
483 struct drm_mode_map_dumb {
484 /** Handle for the object being mapped. */
488 * Fake offset to use for subsequent mmap call
490 * This is a fixed-size type for 32/64 compatibility.
495 struct drm_mode_destroy_dumb {