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
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 /* Picture aspect ratio options */
92 #define DRM_MODE_PICTURE_ASPECT_NONE 0
93 #define DRM_MODE_PICTURE_ASPECT_4_3 1
94 #define DRM_MODE_PICTURE_ASPECT_16_9 2
96 /* Dithering mode options */
97 #define DRM_MODE_DITHERING_OFF 0
98 #define DRM_MODE_DITHERING_ON 1
99 #define DRM_MODE_DITHERING_AUTO 2
101 /* Dirty info options */
102 #define DRM_MODE_DIRTY_OFF 0
103 #define DRM_MODE_DIRTY_ON 1
104 #define DRM_MODE_DIRTY_ANNOTATE 2
106 struct drm_mode_modeinfo {
123 char name[DRM_DISPLAY_MODE_LEN];
126 struct drm_mode_card_res {
129 __u64 connector_id_ptr;
130 __u64 encoder_id_ptr;
133 __u32 count_connectors;
134 __u32 count_encoders;
141 struct drm_mode_crtc {
142 __u64 set_connectors_ptr;
143 __u32 count_connectors;
145 __u32 crtc_id; /**< Id */
146 __u32 fb_id; /**< Id of framebuffer */
148 __u32 x; /**< x Position on the framebuffer */
149 __u32 y; /**< y Position on the framebuffer */
153 struct drm_mode_modeinfo mode;
156 #define DRM_MODE_PRESENT_TOP_FIELD (1<<0)
157 #define DRM_MODE_PRESENT_BOTTOM_FIELD (1<<1)
159 /* Planes blend with or override other bits on the CRTC */
160 struct drm_mode_set_plane {
163 __u32 fb_id; /* fb object contains surface format type */
164 __u32 flags; /* see above flags */
166 /* Signed dest location allows it to be partially off screen */
172 /* Source values are 16.16 fixed point */
179 struct drm_mode_get_plane {
185 __u32 possible_crtcs;
188 __u32 count_format_types;
189 __u64 format_type_ptr;
192 struct drm_mode_get_plane_res {
197 #define DRM_MODE_ENCODER_NONE 0
198 #define DRM_MODE_ENCODER_DAC 1
199 #define DRM_MODE_ENCODER_TMDS 2
200 #define DRM_MODE_ENCODER_LVDS 3
201 #define DRM_MODE_ENCODER_TVDAC 4
202 #define DRM_MODE_ENCODER_VIRTUAL 5
203 #define DRM_MODE_ENCODER_DSI 6
204 #define DRM_MODE_ENCODER_DPMST 7
206 struct drm_mode_get_encoder {
210 __u32 crtc_id; /**< Id of crtc */
212 __u32 possible_crtcs;
213 __u32 possible_clones;
216 /* This is for connectors with multiple signal types. */
217 /* Try to match DRM_MODE_CONNECTOR_X as closely as possible. */
218 #define DRM_MODE_SUBCONNECTOR_Automatic 0
219 #define DRM_MODE_SUBCONNECTOR_Unknown 0
220 #define DRM_MODE_SUBCONNECTOR_DVID 3
221 #define DRM_MODE_SUBCONNECTOR_DVIA 4
222 #define DRM_MODE_SUBCONNECTOR_Composite 5
223 #define DRM_MODE_SUBCONNECTOR_SVIDEO 6
224 #define DRM_MODE_SUBCONNECTOR_Component 8
225 #define DRM_MODE_SUBCONNECTOR_SCART 9
227 #define DRM_MODE_CONNECTOR_Unknown 0
228 #define DRM_MODE_CONNECTOR_VGA 1
229 #define DRM_MODE_CONNECTOR_DVII 2
230 #define DRM_MODE_CONNECTOR_DVID 3
231 #define DRM_MODE_CONNECTOR_DVIA 4
232 #define DRM_MODE_CONNECTOR_Composite 5
233 #define DRM_MODE_CONNECTOR_SVIDEO 6
234 #define DRM_MODE_CONNECTOR_LVDS 7
235 #define DRM_MODE_CONNECTOR_Component 8
236 #define DRM_MODE_CONNECTOR_9PinDIN 9
237 #define DRM_MODE_CONNECTOR_DisplayPort 10
238 #define DRM_MODE_CONNECTOR_HDMIA 11
239 #define DRM_MODE_CONNECTOR_HDMIB 12
240 #define DRM_MODE_CONNECTOR_TV 13
241 #define DRM_MODE_CONNECTOR_eDP 14
242 #define DRM_MODE_CONNECTOR_VIRTUAL 15
243 #define DRM_MODE_CONNECTOR_DSI 16
245 struct drm_mode_get_connector {
250 __u64 prop_values_ptr;
254 __u32 count_encoders;
256 __u32 encoder_id; /**< Current Encoder */
257 __u32 connector_id; /**< Id */
258 __u32 connector_type;
259 __u32 connector_type_id;
262 __u32 mm_width; /**< width in millimeters */
263 __u32 mm_height; /**< height in millimeters */
269 #define DRM_MODE_PROP_PENDING (1<<0)
270 #define DRM_MODE_PROP_RANGE (1<<1)
271 #define DRM_MODE_PROP_IMMUTABLE (1<<2)
272 #define DRM_MODE_PROP_ENUM (1<<3) /* enumerated type with text strings */
273 #define DRM_MODE_PROP_BLOB (1<<4)
274 #define DRM_MODE_PROP_BITMASK (1<<5) /* bitmask of enumerated types */
276 /* non-extended types: legacy bitmask, one bit per type: */
277 #define DRM_MODE_PROP_LEGACY_TYPE ( \
278 DRM_MODE_PROP_RANGE | \
279 DRM_MODE_PROP_ENUM | \
280 DRM_MODE_PROP_BLOB | \
281 DRM_MODE_PROP_BITMASK)
283 /* extended-types: rather than continue to consume a bit per type,
284 * grab a chunk of the bits to use as integer type id.
286 #define DRM_MODE_PROP_EXTENDED_TYPE 0x0000ffc0
287 #define DRM_MODE_PROP_TYPE(n) ((n) << 6)
288 #define DRM_MODE_PROP_OBJECT DRM_MODE_PROP_TYPE(1)
289 #define DRM_MODE_PROP_SIGNED_RANGE DRM_MODE_PROP_TYPE(2)
291 /* the PROP_ATOMIC flag is used to hide properties from userspace that
292 * is not aware of atomic properties. This is mostly to work around
293 * older userspace (DDX drivers) that read/write each prop they find,
294 * witout being aware that this could be triggering a lengthy modeset.
296 #define DRM_MODE_PROP_ATOMIC 0x80000000
298 struct drm_mode_property_enum {
300 char name[DRM_PROP_NAME_LEN];
303 struct drm_mode_get_property {
304 __u64 values_ptr; /* values and blob lengths */
305 __u64 enum_blob_ptr; /* enum and blob id ptrs */
309 char name[DRM_PROP_NAME_LEN];
312 /* This is only used to count enum values, not blobs. The _blobs is
313 * simply because of a historical reason, i.e. backwards compat. */
314 __u32 count_enum_blobs;
317 struct drm_mode_connector_set_property {
323 #define DRM_MODE_OBJECT_CRTC 0xcccccccc
324 #define DRM_MODE_OBJECT_CONNECTOR 0xc0c0c0c0
325 #define DRM_MODE_OBJECT_ENCODER 0xe0e0e0e0
326 #define DRM_MODE_OBJECT_MODE 0xdededede
327 #define DRM_MODE_OBJECT_PROPERTY 0xb0b0b0b0
328 #define DRM_MODE_OBJECT_FB 0xfbfbfbfb
329 #define DRM_MODE_OBJECT_BLOB 0xbbbbbbbb
330 #define DRM_MODE_OBJECT_PLANE 0xeeeeeeee
331 #define DRM_MODE_OBJECT_ANY 0
333 struct drm_mode_obj_get_properties {
335 __u64 prop_values_ptr;
341 struct drm_mode_obj_set_property {
348 struct drm_mode_get_blob {
354 struct drm_mode_fb_cmd {
361 /* driver specific handle */
365 #define DRM_MODE_FB_INTERLACED (1<<0) /* for interlaced framebuffers */
366 #define DRM_MODE_FB_MODIFIERS (1<<1) /* enables ->modifer[] */
368 struct drm_mode_fb_cmd2 {
372 __u32 pixel_format; /* fourcc code from drm_fourcc.h */
373 __u32 flags; /* see above flags */
376 * In case of planar formats, this ioctl allows up to 4
377 * buffer objects with offsets and pitches per plane.
378 * The pitch and offset order is dictated by the fourcc,
379 * e.g. NV12 (http://fourcc.org/yuv.php#NV12) is described as:
381 * YUV 4:2:0 image with a plane of 8 bit Y samples
382 * followed by an interleaved U/V plane containing
383 * 8 bit 2x2 subsampled colour difference samples.
385 * So it would consist of Y as offsets[0] and UV as
386 * offsets[1]. Note that offsets[0] will generally
387 * be 0 (but this is not required).
389 * To accommodate tiled, compressed, etc formats, a per-plane
390 * modifier can be specified. The default value of zero
391 * indicates "native" format as specified by the fourcc.
392 * Vendor specific modifier token. This allows, for example,
393 * different tiling/swizzling pattern on different planes.
394 * See discussion above of DRM_FORMAT_MOD_xxx.
397 __u32 pitches[4]; /* pitch for each plane */
398 __u32 offsets[4]; /* offset of each plane */
399 __u64 modifier[4]; /* ie, tiling, compressed (per plane) */
402 #define DRM_MODE_FB_DIRTY_ANNOTATE_COPY 0x01
403 #define DRM_MODE_FB_DIRTY_ANNOTATE_FILL 0x02
404 #define DRM_MODE_FB_DIRTY_FLAGS 0x03
406 #define DRM_MODE_FB_DIRTY_MAX_CLIPS 256
409 * Mark a region of a framebuffer as dirty.
411 * Some hardware does not automatically update display contents
412 * as a hardware or software draw to a framebuffer. This ioctl
413 * allows userspace to tell the kernel and the hardware what
414 * regions of the framebuffer have changed.
416 * The kernel or hardware is free to update more then just the
417 * region specified by the clip rects. The kernel or hardware
418 * may also delay and/or coalesce several calls to dirty into a
421 * Userspace may annotate the updates, the annotates are a
422 * promise made by the caller that the change is either a copy
423 * of pixels or a fill of a single color in the region specified.
425 * If the DRM_MODE_FB_DIRTY_ANNOTATE_COPY flag is given then
426 * the number of updated regions are half of num_clips given,
427 * where the clip rects are paired in src and dst. The width and
428 * height of each one of the pairs must match.
430 * If the DRM_MODE_FB_DIRTY_ANNOTATE_FILL flag is given the caller
431 * promises that the region specified of the clip rects is filled
432 * completely with a single color as given in the color argument.
435 struct drm_mode_fb_dirty_cmd {
443 struct drm_mode_mode_cmd {
445 struct drm_mode_modeinfo mode;
448 #define DRM_MODE_CURSOR_BO 0x01
449 #define DRM_MODE_CURSOR_MOVE 0x02
450 #define DRM_MODE_CURSOR_FLAGS 0x03
453 * depending on the value in flags different members are used.
459 * handle - if 0 turns the cursor off
466 struct drm_mode_cursor {
473 /* driver specific handle */
477 struct drm_mode_cursor2 {
484 /* driver specific handle */
490 struct drm_mode_crtc_lut {
494 /* pointers to arrays */
500 struct drm_color_ctm {
501 /* Conversion matrix in S31.32 format. */
505 struct drm_color_lut {
507 * Data is U0.16 fixed point format.
515 #define DRM_MODE_PAGE_FLIP_EVENT 0x01
516 #define DRM_MODE_PAGE_FLIP_ASYNC 0x02
517 #define DRM_MODE_PAGE_FLIP_FLAGS (DRM_MODE_PAGE_FLIP_EVENT|DRM_MODE_PAGE_FLIP_ASYNC)
520 * Request a page flip on the specified crtc.
522 * This ioctl will ask KMS to schedule a page flip for the specified
523 * crtc. Once any pending rendering targeting the specified fb (as of
524 * ioctl time) has completed, the crtc will be reprogrammed to display
525 * that fb after the next vertical refresh. The ioctl returns
526 * immediately, but subsequent rendering to the current fb will block
527 * in the execbuffer ioctl until the page flip happens. If a page
528 * flip is already pending as the ioctl is called, EBUSY will be
531 * Flag DRM_MODE_PAGE_FLIP_EVENT requests that drm sends back a vblank
532 * event (see drm.h: struct drm_event_vblank) when the page flip is
533 * done. The user_data field passed in with this ioctl will be
534 * returned as the user_data field in the vblank event struct.
536 * Flag DRM_MODE_PAGE_FLIP_ASYNC requests that the flip happen
537 * 'as soon as possible', meaning that it not delay waiting for vblank.
538 * This may cause tearing on the screen.
540 * The reserved field must be zero until we figure out something
541 * clever to use it for.
544 struct drm_mode_crtc_page_flip {
552 /* create a dumb scanout buffer */
553 struct drm_mode_create_dumb {
558 /* handle, pitch, size will be returned */
564 /* set up for mmap of a dumb scanout buffer */
565 struct drm_mode_map_dumb {
566 /** Handle for the object being mapped. */
570 * Fake offset to use for subsequent mmap call
572 * This is a fixed-size type for 32/64 compatibility.
577 struct drm_mode_destroy_dumb {
581 /* page-flip flags are valid, plus: */
582 #define DRM_MODE_ATOMIC_TEST_ONLY 0x0100
583 #define DRM_MODE_ATOMIC_NONBLOCK 0x0200
584 #define DRM_MODE_ATOMIC_ALLOW_MODESET 0x0400
586 #define DRM_MODE_ATOMIC_FLAGS (\
587 DRM_MODE_PAGE_FLIP_EVENT |\
588 DRM_MODE_PAGE_FLIP_ASYNC |\
589 DRM_MODE_ATOMIC_TEST_ONLY |\
590 DRM_MODE_ATOMIC_NONBLOCK |\
591 DRM_MODE_ATOMIC_ALLOW_MODESET)
593 struct drm_mode_atomic {
597 __u64 count_props_ptr;
599 __u64 prop_values_ptr;
605 * Create a new 'blob' data property, copying length bytes from data pointer,
606 * and returning new blob ID.
608 struct drm_mode_create_blob {
609 /** Pointer to data to copy. */
611 /** Length of data to copy. */
613 /** Return: new property ID. */
618 * Destroy a user-created blob property.
620 struct drm_mode_destroy_blob {