2 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sub license, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial portions
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
20 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
21 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
22 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
23 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
30 /* Please note that modifications to all structs defined here are
31 * subject to backwards-compatibility constraints.
33 #include <linux/types.h>
36 /* Each region is a minimum of 16k, and there are at most 255 of them.
38 #define I915_NR_TEX_REGIONS 255 /* table size 2k - maximum due to use
39 * of chars for next/prev indices */
40 #define I915_LOG_MIN_TEX_REGION_SIZE 14
42 typedef struct _drm_i915_init {
45 I915_CLEANUP_DMA = 0x02,
46 I915_RESUME_DMA = 0x03
48 unsigned int mmio_offset;
49 int sarea_priv_offset;
50 unsigned int ring_start;
51 unsigned int ring_end;
52 unsigned int ring_size;
53 unsigned int front_offset;
54 unsigned int back_offset;
55 unsigned int depth_offset;
59 unsigned int pitch_bits;
60 unsigned int back_pitch;
61 unsigned int depth_pitch;
66 typedef struct _drm_i915_sarea {
67 struct drm_tex_region texList[I915_NR_TEX_REGIONS + 1];
68 int last_upload; /* last time texture was uploaded */
69 int last_enqueue; /* last time a buffer was enqueued */
70 int last_dispatch; /* age of the most recently dispatched buffer */
71 int ctxOwner; /* last context to upload state */
73 int pf_enabled; /* is pageflipping allowed? */
75 int pf_current_page; /* which buffer is being displayed? */
76 int perf_boxes; /* performance boxes to be displayed */
77 int width, height; /* screen size in pixels */
79 drm_handle_t front_handle;
83 drm_handle_t back_handle;
87 drm_handle_t depth_handle;
91 drm_handle_t tex_handle;
94 int log_tex_granularity;
96 int rotation; /* 0, 90, 180 or 270 */
100 int virtualX, virtualY;
102 unsigned int front_tiled;
103 unsigned int back_tiled;
104 unsigned int depth_tiled;
105 unsigned int rotated_tiled;
106 unsigned int rotated2_tiled;
117 /* fill out some space for old userspace triple buffer */
118 drm_handle_t unused_handle;
119 __u32 unused1, unused2, unused3;
121 /* buffer object handles for static buffers. May change
122 * over the lifetime of the client.
124 __u32 front_bo_handle;
125 __u32 back_bo_handle;
126 __u32 unused_bo_handle;
127 __u32 depth_bo_handle;
131 /* due to userspace building against these headers we need some compat here */
132 #define planeA_x pipeA_x
133 #define planeA_y pipeA_y
134 #define planeA_w pipeA_w
135 #define planeA_h pipeA_h
136 #define planeB_x pipeB_x
137 #define planeB_y pipeB_y
138 #define planeB_w pipeB_w
139 #define planeB_h pipeB_h
141 /* Flags for perf_boxes
143 #define I915_BOX_RING_EMPTY 0x1
144 #define I915_BOX_FLIP 0x2
145 #define I915_BOX_WAIT 0x4
146 #define I915_BOX_TEXTURE_LOAD 0x8
147 #define I915_BOX_LOST_CONTEXT 0x10
149 /* I915 specific ioctls
150 * The device specific ioctl range is 0x40 to 0x79.
152 #define DRM_I915_INIT 0x00
153 #define DRM_I915_FLUSH 0x01
154 #define DRM_I915_FLIP 0x02
155 #define DRM_I915_BATCHBUFFER 0x03
156 #define DRM_I915_IRQ_EMIT 0x04
157 #define DRM_I915_IRQ_WAIT 0x05
158 #define DRM_I915_GETPARAM 0x06
159 #define DRM_I915_SETPARAM 0x07
160 #define DRM_I915_ALLOC 0x08
161 #define DRM_I915_FREE 0x09
162 #define DRM_I915_INIT_HEAP 0x0a
163 #define DRM_I915_CMDBUFFER 0x0b
164 #define DRM_I915_DESTROY_HEAP 0x0c
165 #define DRM_I915_SET_VBLANK_PIPE 0x0d
166 #define DRM_I915_GET_VBLANK_PIPE 0x0e
167 #define DRM_I915_VBLANK_SWAP 0x0f
168 #define DRM_I915_HWS_ADDR 0x11
169 #define DRM_I915_GEM_INIT 0x13
170 #define DRM_I915_GEM_EXECBUFFER 0x14
171 #define DRM_I915_GEM_PIN 0x15
172 #define DRM_I915_GEM_UNPIN 0x16
173 #define DRM_I915_GEM_BUSY 0x17
174 #define DRM_I915_GEM_THROTTLE 0x18
175 #define DRM_I915_GEM_ENTERVT 0x19
176 #define DRM_I915_GEM_LEAVEVT 0x1a
177 #define DRM_I915_GEM_CREATE 0x1b
178 #define DRM_I915_GEM_PREAD 0x1c
179 #define DRM_I915_GEM_PWRITE 0x1d
180 #define DRM_I915_GEM_MMAP 0x1e
181 #define DRM_I915_GEM_SET_DOMAIN 0x1f
182 #define DRM_I915_GEM_SW_FINISH 0x20
183 #define DRM_I915_GEM_SET_TILING 0x21
184 #define DRM_I915_GEM_GET_TILING 0x22
185 #define DRM_I915_GEM_GET_APERTURE 0x23
186 #define DRM_I915_GEM_MMAP_GTT 0x24
187 #define DRM_I915_GET_PIPE_FROM_CRTC_ID 0x25
188 #define DRM_I915_GEM_MADVISE 0x26
189 #define DRM_I915_OVERLAY_PUT_IMAGE 0x27
190 #define DRM_I915_OVERLAY_ATTRS 0x28
192 #define DRM_IOCTL_I915_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT, drm_i915_init_t)
193 #define DRM_IOCTL_I915_FLUSH DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLUSH)
194 #define DRM_IOCTL_I915_FLIP DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLIP)
195 #define DRM_IOCTL_I915_BATCHBUFFER DRM_IOW( DRM_COMMAND_BASE + DRM_I915_BATCHBUFFER, drm_i915_batchbuffer_t)
196 #define DRM_IOCTL_I915_IRQ_EMIT DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_IRQ_EMIT, drm_i915_irq_emit_t)
197 #define DRM_IOCTL_I915_IRQ_WAIT DRM_IOW( DRM_COMMAND_BASE + DRM_I915_IRQ_WAIT, drm_i915_irq_wait_t)
198 #define DRM_IOCTL_I915_GETPARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GETPARAM, drm_i915_getparam_t)
199 #define DRM_IOCTL_I915_SETPARAM DRM_IOW( DRM_COMMAND_BASE + DRM_I915_SETPARAM, drm_i915_setparam_t)
200 #define DRM_IOCTL_I915_ALLOC DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_ALLOC, drm_i915_mem_alloc_t)
201 #define DRM_IOCTL_I915_FREE DRM_IOW( DRM_COMMAND_BASE + DRM_I915_FREE, drm_i915_mem_free_t)
202 #define DRM_IOCTL_I915_INIT_HEAP DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT_HEAP, drm_i915_mem_init_heap_t)
203 #define DRM_IOCTL_I915_CMDBUFFER DRM_IOW( DRM_COMMAND_BASE + DRM_I915_CMDBUFFER, drm_i915_cmdbuffer_t)
204 #define DRM_IOCTL_I915_DESTROY_HEAP DRM_IOW( DRM_COMMAND_BASE + DRM_I915_DESTROY_HEAP, drm_i915_mem_destroy_heap_t)
205 #define DRM_IOCTL_I915_SET_VBLANK_PIPE DRM_IOW( DRM_COMMAND_BASE + DRM_I915_SET_VBLANK_PIPE, drm_i915_vblank_pipe_t)
206 #define DRM_IOCTL_I915_GET_VBLANK_PIPE DRM_IOR( DRM_COMMAND_BASE + DRM_I915_GET_VBLANK_PIPE, drm_i915_vblank_pipe_t)
207 #define DRM_IOCTL_I915_VBLANK_SWAP DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_VBLANK_SWAP, drm_i915_vblank_swap_t)
208 #define DRM_IOCTL_I915_GEM_INIT DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_INIT, struct drm_i915_gem_init)
209 #define DRM_IOCTL_I915_GEM_EXECBUFFER DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_EXECBUFFER, struct drm_i915_gem_execbuffer)
210 #define DRM_IOCTL_I915_GEM_PIN DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_PIN, struct drm_i915_gem_pin)
211 #define DRM_IOCTL_I915_GEM_UNPIN DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_UNPIN, struct drm_i915_gem_unpin)
212 #define DRM_IOCTL_I915_GEM_BUSY DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_BUSY, struct drm_i915_gem_busy)
213 #define DRM_IOCTL_I915_GEM_THROTTLE DRM_IO ( DRM_COMMAND_BASE + DRM_I915_GEM_THROTTLE)
214 #define DRM_IOCTL_I915_GEM_ENTERVT DRM_IO(DRM_COMMAND_BASE + DRM_I915_GEM_ENTERVT)
215 #define DRM_IOCTL_I915_GEM_LEAVEVT DRM_IO(DRM_COMMAND_BASE + DRM_I915_GEM_LEAVEVT)
216 #define DRM_IOCTL_I915_GEM_CREATE DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_CREATE, struct drm_i915_gem_create)
217 #define DRM_IOCTL_I915_GEM_PREAD DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_PREAD, struct drm_i915_gem_pread)
218 #define DRM_IOCTL_I915_GEM_PWRITE DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_PWRITE, struct drm_i915_gem_pwrite)
219 #define DRM_IOCTL_I915_GEM_MMAP DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_MMAP, struct drm_i915_gem_mmap)
220 #define DRM_IOCTL_I915_GEM_MMAP_GTT DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_MMAP_GTT, struct drm_i915_gem_mmap_gtt)
221 #define DRM_IOCTL_I915_GEM_SET_DOMAIN DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_SET_DOMAIN, struct drm_i915_gem_set_domain)
222 #define DRM_IOCTL_I915_GEM_SW_FINISH DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_SW_FINISH, struct drm_i915_gem_sw_finish)
223 #define DRM_IOCTL_I915_GEM_SET_TILING DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GEM_SET_TILING, struct drm_i915_gem_set_tiling)
224 #define DRM_IOCTL_I915_GEM_GET_TILING DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GEM_GET_TILING, struct drm_i915_gem_get_tiling)
225 #define DRM_IOCTL_I915_GEM_GET_APERTURE DRM_IOR (DRM_COMMAND_BASE + DRM_I915_GEM_GET_APERTURE, struct drm_i915_gem_get_aperture)
226 #define DRM_IOCTL_I915_GET_PIPE_FROM_CRTC_ID DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GET_PIPE_FROM_CRTC_ID, struct drm_intel_get_pipe_from_crtc_id)
227 #define DRM_IOCTL_I915_GEM_MADVISE DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_MADVISE, struct drm_i915_gem_madvise)
228 #define DRM_IOCTL_I915_OVERLAY_PUT_IMAGE DRM_IOW(DRM_COMMAND_BASE + DRM_IOCTL_I915_OVERLAY_ATTRS, struct drm_intel_overlay_put_image)
229 #define DRM_IOCTL_I915_OVERLAY_ATTRS DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_OVERLAY_ATTRS, struct drm_intel_overlay_attrs)
231 /* Allow drivers to submit batchbuffers directly to hardware, relying
232 * on the security mechanisms provided by hardware.
234 typedef struct drm_i915_batchbuffer {
235 int start; /* agp offset */
236 int used; /* nr bytes in use */
237 int DR1; /* hw flags for GFX_OP_DRAWRECT_INFO */
238 int DR4; /* window origin for GFX_OP_DRAWRECT_INFO */
239 int num_cliprects; /* mulitpass with multiple cliprects? */
240 struct drm_clip_rect __user *cliprects; /* pointer to userspace cliprects */
241 } drm_i915_batchbuffer_t;
243 /* As above, but pass a pointer to userspace buffer which can be
244 * validated by the kernel prior to sending to hardware.
246 typedef struct _drm_i915_cmdbuffer {
247 char __user *buf; /* pointer to userspace command buffer */
248 int sz; /* nr bytes in buf */
249 int DR1; /* hw flags for GFX_OP_DRAWRECT_INFO */
250 int DR4; /* window origin for GFX_OP_DRAWRECT_INFO */
251 int num_cliprects; /* mulitpass with multiple cliprects? */
252 struct drm_clip_rect __user *cliprects; /* pointer to userspace cliprects */
253 } drm_i915_cmdbuffer_t;
255 /* Userspace can request & wait on irq's:
257 typedef struct drm_i915_irq_emit {
259 } drm_i915_irq_emit_t;
261 typedef struct drm_i915_irq_wait {
263 } drm_i915_irq_wait_t;
265 /* Ioctl to query kernel params:
267 #define I915_PARAM_IRQ_ACTIVE 1
268 #define I915_PARAM_ALLOW_BATCHBUFFER 2
269 #define I915_PARAM_LAST_DISPATCH 3
270 #define I915_PARAM_CHIPSET_ID 4
271 #define I915_PARAM_HAS_GEM 5
272 #define I915_PARAM_NUM_FENCES_AVAIL 6
273 #define I915_PARAM_HAS_OVERLAY 7
275 typedef struct drm_i915_getparam {
278 } drm_i915_getparam_t;
280 /* Ioctl to set kernel params:
282 #define I915_SETPARAM_USE_MI_BATCHBUFFER_START 1
283 #define I915_SETPARAM_TEX_LRU_LOG_GRANULARITY 2
284 #define I915_SETPARAM_ALLOW_BATCHBUFFER 3
285 #define I915_SETPARAM_NUM_USED_FENCES 4
287 typedef struct drm_i915_setparam {
290 } drm_i915_setparam_t;
292 /* A memory manager for regions of shared memory:
294 #define I915_MEM_REGION_AGP 1
296 typedef struct drm_i915_mem_alloc {
300 int __user *region_offset; /* offset from start of fb or agp */
301 } drm_i915_mem_alloc_t;
303 typedef struct drm_i915_mem_free {
306 } drm_i915_mem_free_t;
308 typedef struct drm_i915_mem_init_heap {
312 } drm_i915_mem_init_heap_t;
314 /* Allow memory manager to be torn down and re-initialized (eg on
317 typedef struct drm_i915_mem_destroy_heap {
319 } drm_i915_mem_destroy_heap_t;
321 /* Allow X server to configure which pipes to monitor for vblank signals
323 #define DRM_I915_VBLANK_PIPE_A 1
324 #define DRM_I915_VBLANK_PIPE_B 2
326 typedef struct drm_i915_vblank_pipe {
328 } drm_i915_vblank_pipe_t;
330 /* Schedule buffer swap at given vertical blank:
332 typedef struct drm_i915_vblank_swap {
333 drm_drawable_t drawable;
334 enum drm_vblank_seq_type seqtype;
335 unsigned int sequence;
336 } drm_i915_vblank_swap_t;
338 typedef struct drm_i915_hws_addr {
340 } drm_i915_hws_addr_t;
342 struct drm_i915_gem_init {
344 * Beginning offset in the GTT to be managed by the DRM memory
349 * Ending offset in the GTT to be managed by the DRM memory
355 struct drm_i915_gem_create {
357 * Requested size for the object.
359 * The (page-aligned) allocated size for the object will be returned.
363 * Returned handle for the object.
365 * Object handles are nonzero.
371 struct drm_i915_gem_pread {
372 /** Handle for the object being read. */
375 /** Offset into the object to read from */
377 /** Length of data to read */
380 * Pointer to write the data into.
382 * This is a fixed-size type for 32/64 compatibility.
387 struct drm_i915_gem_pwrite {
388 /** Handle for the object being written to. */
391 /** Offset into the object to write to */
393 /** Length of data to write */
396 * Pointer to read the data from.
398 * This is a fixed-size type for 32/64 compatibility.
403 struct drm_i915_gem_mmap {
404 /** Handle for the object being mapped. */
407 /** Offset in the object to map. */
410 * Length of data to map.
412 * The value will be page-aligned.
416 * Returned pointer the data was mapped at.
418 * This is a fixed-size type for 32/64 compatibility.
423 struct drm_i915_gem_mmap_gtt {
424 /** Handle for the object being mapped. */
428 * Fake offset to use for subsequent mmap call
430 * This is a fixed-size type for 32/64 compatibility.
435 struct drm_i915_gem_set_domain {
436 /** Handle for the object */
439 /** New read domains */
442 /** New write domain */
446 struct drm_i915_gem_sw_finish {
447 /** Handle for the object */
451 struct drm_i915_gem_relocation_entry {
453 * Handle of the buffer being pointed to by this relocation entry.
455 * It's appealing to make this be an index into the mm_validate_entry
456 * list to refer to the buffer, but this allows the driver to create
457 * a relocation list for state buffers and not re-write it per
458 * exec using the buffer.
463 * Value to be added to the offset of the target buffer to make up
464 * the relocation entry.
468 /** Offset in the buffer the relocation entry will be written into */
472 * Offset value of the target buffer that the relocation entry was last
475 * If the buffer has the same offset as last time, we can skip syncing
476 * and writing the relocation. This value is written back out by
477 * the execbuffer ioctl when the relocation is written.
479 __u64 presumed_offset;
482 * Target memory domains read by this operation.
487 * Target memory domains written by this operation.
489 * Note that only one domain may be written by the whole
490 * execbuffer operation, so that where there are conflicts,
491 * the application will get -EINVAL back.
497 * Intel memory domains
499 * Most of these just align with the various caches in
500 * the system and are used to flush and invalidate as
501 * objects end up cached in different domains.
504 #define I915_GEM_DOMAIN_CPU 0x00000001
505 /** Render cache, used by 2D and 3D drawing */
506 #define I915_GEM_DOMAIN_RENDER 0x00000002
507 /** Sampler cache, used by texture engine */
508 #define I915_GEM_DOMAIN_SAMPLER 0x00000004
509 /** Command queue, used to load batch buffers */
510 #define I915_GEM_DOMAIN_COMMAND 0x00000008
511 /** Instruction cache, used by shader programs */
512 #define I915_GEM_DOMAIN_INSTRUCTION 0x00000010
513 /** Vertex address cache */
514 #define I915_GEM_DOMAIN_VERTEX 0x00000020
515 /** GTT domain - aperture and scanout */
516 #define I915_GEM_DOMAIN_GTT 0x00000040
519 struct drm_i915_gem_exec_object {
521 * User's handle for a buffer to be bound into the GTT for this
526 /** Number of relocations to be performed on this buffer */
527 __u32 relocation_count;
529 * Pointer to array of struct drm_i915_gem_relocation_entry containing
530 * the relocations to be performed in this buffer.
534 /** Required alignment in graphics aperture */
538 * Returned value of the updated offset of the object, for future
539 * presumed_offset writes.
544 struct drm_i915_gem_execbuffer {
546 * List of buffers to be validated with their relocations to be
547 * performend on them.
549 * This is a pointer to an array of struct drm_i915_gem_validate_entry.
551 * These buffers must be listed in an order such that all relocations
552 * a buffer is performing refer to buffers that have already appeared
553 * in the validate list.
558 /** Offset in the batchbuffer to start execution from. */
559 __u32 batch_start_offset;
560 /** Bytes used in batchbuffer from batch_start_offset */
565 /** This is a struct drm_clip_rect *cliprects */
569 struct drm_i915_gem_pin {
570 /** Handle of the buffer to be pinned. */
574 /** alignment required within the aperture */
577 /** Returned GTT offset of the buffer. */
581 struct drm_i915_gem_unpin {
582 /** Handle of the buffer to be unpinned. */
587 struct drm_i915_gem_busy {
588 /** Handle of the buffer to check for busy */
591 /** Return busy status (1 if busy, 0 if idle) */
595 #define I915_TILING_NONE 0
596 #define I915_TILING_X 1
597 #define I915_TILING_Y 2
599 #define I915_BIT_6_SWIZZLE_NONE 0
600 #define I915_BIT_6_SWIZZLE_9 1
601 #define I915_BIT_6_SWIZZLE_9_10 2
602 #define I915_BIT_6_SWIZZLE_9_11 3
603 #define I915_BIT_6_SWIZZLE_9_10_11 4
604 /* Not seen by userland */
605 #define I915_BIT_6_SWIZZLE_UNKNOWN 5
606 /* Seen by userland. */
607 #define I915_BIT_6_SWIZZLE_9_17 6
608 #define I915_BIT_6_SWIZZLE_9_10_17 7
610 struct drm_i915_gem_set_tiling {
611 /** Handle of the buffer to have its tiling state updated */
615 * Tiling mode for the object (I915_TILING_NONE, I915_TILING_X,
618 * This value is to be set on request, and will be updated by the
619 * kernel on successful return with the actual chosen tiling layout.
621 * The tiling mode may be demoted to I915_TILING_NONE when the system
622 * has bit 6 swizzling that can't be managed correctly by GEM.
624 * Buffer contents become undefined when changing tiling_mode.
629 * Stride in bytes for the object when in I915_TILING_X or
635 * Returned address bit 6 swizzling required for CPU access through
641 struct drm_i915_gem_get_tiling {
642 /** Handle of the buffer to get tiling state for. */
646 * Current tiling mode for the object (I915_TILING_NONE, I915_TILING_X,
652 * Returned address bit 6 swizzling required for CPU access through
658 struct drm_i915_gem_get_aperture {
659 /** Total size of the aperture used by i915_gem_execbuffer, in bytes */
663 * Available space in the aperture used by i915_gem_execbuffer, in
666 __u64 aper_available_size;
669 struct drm_i915_get_pipe_from_crtc_id {
670 /** ID of CRTC being requested **/
673 /** pipe of requested CRTC **/
677 #define I915_MADV_WILLNEED 0
678 #define I915_MADV_DONTNEED 1
679 #define __I915_MADV_PURGED 2 /* internal state */
681 struct drm_i915_gem_madvise {
682 /** Handle of the buffer to change the backing store advice */
685 /* Advice: either the buffer will be needed again in the near future,
686 * or wont be and could be discarded under memory pressure.
690 /** Whether the backing store still exists. */
695 #define I915_OVERLAY_TYPE_MASK 0xff
696 #define I915_OVERLAY_YUV_PLANAR 0x01
697 #define I915_OVERLAY_YUV_PACKED 0x02
698 #define I915_OVERLAY_RGB 0x03
700 #define I915_OVERLAY_DEPTH_MASK 0xff00
701 #define I915_OVERLAY_RGB24 0x1000
702 #define I915_OVERLAY_RGB16 0x2000
703 #define I915_OVERLAY_RGB15 0x3000
704 #define I915_OVERLAY_YUV422 0x0100
705 #define I915_OVERLAY_YUV411 0x0200
706 #define I915_OVERLAY_YUV420 0x0300
707 #define I915_OVERLAY_YUV410 0x0400
709 #define I915_OVERLAY_SWAP_MASK 0xff0000
710 #define I915_OVERLAY_NO_SWAP 0x000000
711 #define I915_OVERLAY_UV_SWAP 0x010000
712 #define I915_OVERLAY_Y_SWAP 0x020000
713 #define I915_OVERLAY_Y_AND_UV_SWAP 0x030000
715 #define I915_OVERLAY_FLAGS_MASK 0xff000000
716 #define I915_OVERLAY_ENABLE 0x01000000
718 struct drm_intel_overlay_put_image {
719 /* various flags and src format description */
721 /* source picture description */
723 /* stride values and offsets are in bytes, buffer relative */
724 __u16 stride_Y; /* stride for packed formats */
726 __u32 offset_Y; /* offset for packet formats */
732 /* to compensate the scaling factors for partially covered surfaces */
733 __u16 src_scan_width;
734 __u16 src_scan_height;
735 /* output crtc description */
744 #define I915_OVERLAY_UPDATE_ATTRS (1<<0)
745 #define I915_OVERLAY_UPDATE_GAMMA (1<<1)
746 struct drm_intel_overlay_attrs {
760 #endif /* _I915_DRM_H_ */