i915_drm.h revision 9fb83a49cb7e3db2f168aac5172fafb6fa0d69c8
1/*
2 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
3 * All Rights Reserved.
4 *
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:
12 *
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial portions
15 * of the Software.
16 *
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.
24 *
25 */
26
27#ifndef _I915_DRM_H_
28#define _I915_DRM_H_
29
30#include "drm.h"
31
32/* Please note that modifications to all structs defined here are
33 * subject to backwards-compatibility constraints.
34 */
35
36/* Each region is a minimum of 16k, and there are at most 255 of them.
37 */
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
41
42typedef struct _drm_i915_init {
43	enum {
44		I915_INIT_DMA = 0x01,
45		I915_CLEANUP_DMA = 0x02,
46		I915_RESUME_DMA = 0x03
47	} func;
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;
56	unsigned int w;
57	unsigned int h;
58	unsigned int pitch;
59	unsigned int pitch_bits;
60	unsigned int back_pitch;
61	unsigned int depth_pitch;
62	unsigned int cpp;
63	unsigned int chipset;
64} drm_i915_init_t;
65
66typedef 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 */
72	int texAge;
73	int pf_enabled;		/* is pageflipping allowed? */
74	int pf_active;
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 */
78
79	drm_handle_t front_handle;
80	int front_offset;
81	int front_size;
82
83	drm_handle_t back_handle;
84	int back_offset;
85	int back_size;
86
87	drm_handle_t depth_handle;
88	int depth_offset;
89	int depth_size;
90
91	drm_handle_t tex_handle;
92	int tex_offset;
93	int tex_size;
94	int log_tex_granularity;
95	int pitch;
96	int rotation;           /* 0, 90, 180 or 270 */
97	int rotated_offset;
98	int rotated_size;
99	int rotated_pitch;
100	int virtualX, virtualY;
101
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;
107
108	int pipeA_x;
109	int pipeA_y;
110	int pipeA_w;
111	int pipeA_h;
112	int pipeB_x;
113	int pipeB_y;
114	int pipeB_w;
115	int pipeB_h;
116
117	/* fill out some space for old userspace triple buffer */
118	drm_handle_t unused_handle;
119	__u32 unused1, unused2, unused3;
120
121	/* buffer object handles for static buffers. May change
122	 * over the lifetime of the client.
123	 */
124	__u32 front_bo_handle;
125	__u32 back_bo_handle;
126	__u32 unused_bo_handle;
127	__u32 depth_bo_handle;
128
129} drm_i915_sarea_t;
130
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
140
141/* Flags for perf_boxes
142 */
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
148
149/* I915 specific ioctls
150 * The device specific ioctl range is 0x40 to 0x79.
151 */
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
191#define DRM_I915_GEM_EXECBUFFER2	0x29
192
193#define DRM_IOCTL_I915_INIT		DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT, drm_i915_init_t)
194#define DRM_IOCTL_I915_FLUSH		DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLUSH)
195#define DRM_IOCTL_I915_FLIP		DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLIP)
196#define DRM_IOCTL_I915_BATCHBUFFER	DRM_IOW( DRM_COMMAND_BASE + DRM_I915_BATCHBUFFER, drm_i915_batchbuffer_t)
197#define DRM_IOCTL_I915_IRQ_EMIT         DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_IRQ_EMIT, drm_i915_irq_emit_t)
198#define DRM_IOCTL_I915_IRQ_WAIT         DRM_IOW( DRM_COMMAND_BASE + DRM_I915_IRQ_WAIT, drm_i915_irq_wait_t)
199#define DRM_IOCTL_I915_GETPARAM         DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GETPARAM, drm_i915_getparam_t)
200#define DRM_IOCTL_I915_SETPARAM         DRM_IOW( DRM_COMMAND_BASE + DRM_I915_SETPARAM, drm_i915_setparam_t)
201#define DRM_IOCTL_I915_ALLOC            DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_ALLOC, drm_i915_mem_alloc_t)
202#define DRM_IOCTL_I915_FREE             DRM_IOW( DRM_COMMAND_BASE + DRM_I915_FREE, drm_i915_mem_free_t)
203#define DRM_IOCTL_I915_INIT_HEAP        DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT_HEAP, drm_i915_mem_init_heap_t)
204#define DRM_IOCTL_I915_CMDBUFFER	DRM_IOW( DRM_COMMAND_BASE + DRM_I915_CMDBUFFER, drm_i915_cmdbuffer_t)
205#define DRM_IOCTL_I915_DESTROY_HEAP	DRM_IOW( DRM_COMMAND_BASE + DRM_I915_DESTROY_HEAP, drm_i915_mem_destroy_heap_t)
206#define DRM_IOCTL_I915_SET_VBLANK_PIPE	DRM_IOW( DRM_COMMAND_BASE + DRM_I915_SET_VBLANK_PIPE, drm_i915_vblank_pipe_t)
207#define DRM_IOCTL_I915_GET_VBLANK_PIPE	DRM_IOR( DRM_COMMAND_BASE + DRM_I915_GET_VBLANK_PIPE, drm_i915_vblank_pipe_t)
208#define DRM_IOCTL_I915_VBLANK_SWAP	DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_VBLANK_SWAP, drm_i915_vblank_swap_t)
209#define DRM_IOCTL_I915_HWS_ADDR		DRM_IOW(DRM_COMMAND_BASE + DRM_I915_HWS_ADDR, struct drm_i915_gem_init)
210#define DRM_IOCTL_I915_GEM_INIT		DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_INIT, struct drm_i915_gem_init)
211#define DRM_IOCTL_I915_GEM_EXECBUFFER	DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_EXECBUFFER, struct drm_i915_gem_execbuffer)
212#define DRM_IOCTL_I915_GEM_EXECBUFFER2	DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_EXECBUFFER2, struct drm_i915_gem_execbuffer2)
213#define DRM_IOCTL_I915_GEM_PIN		DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_PIN, struct drm_i915_gem_pin)
214#define DRM_IOCTL_I915_GEM_UNPIN	DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_UNPIN, struct drm_i915_gem_unpin)
215#define DRM_IOCTL_I915_GEM_BUSY		DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_BUSY, struct drm_i915_gem_busy)
216#define DRM_IOCTL_I915_GEM_THROTTLE	DRM_IO ( DRM_COMMAND_BASE + DRM_I915_GEM_THROTTLE)
217#define DRM_IOCTL_I915_GEM_ENTERVT	DRM_IO(DRM_COMMAND_BASE + DRM_I915_GEM_ENTERVT)
218#define DRM_IOCTL_I915_GEM_LEAVEVT	DRM_IO(DRM_COMMAND_BASE + DRM_I915_GEM_LEAVEVT)
219#define DRM_IOCTL_I915_GEM_CREATE	DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_CREATE, struct drm_i915_gem_create)
220#define DRM_IOCTL_I915_GEM_PREAD	DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_PREAD, struct drm_i915_gem_pread)
221#define DRM_IOCTL_I915_GEM_PWRITE	DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_PWRITE, struct drm_i915_gem_pwrite)
222#define DRM_IOCTL_I915_GEM_MMAP		DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_MMAP, struct drm_i915_gem_mmap)
223#define DRM_IOCTL_I915_GEM_MMAP_GTT	DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_MMAP_GTT, struct drm_i915_gem_mmap_gtt)
224#define DRM_IOCTL_I915_GEM_SET_DOMAIN	DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_SET_DOMAIN, struct drm_i915_gem_set_domain)
225#define DRM_IOCTL_I915_GEM_SW_FINISH	DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_SW_FINISH, struct drm_i915_gem_sw_finish)
226#define DRM_IOCTL_I915_GEM_SET_TILING	DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GEM_SET_TILING, struct drm_i915_gem_set_tiling)
227#define DRM_IOCTL_I915_GEM_GET_TILING	DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GEM_GET_TILING, struct drm_i915_gem_get_tiling)
228#define DRM_IOCTL_I915_GEM_GET_APERTURE	DRM_IOR  (DRM_COMMAND_BASE + DRM_I915_GEM_GET_APERTURE, struct drm_i915_gem_get_aperture)
229#define DRM_IOCTL_I915_GET_PIPE_FROM_CRTC_ID DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GET_PIPE_FROM_CRTC_ID, struct drm_i915_get_pipe_from_crtc_id)
230#define DRM_IOCTL_I915_GEM_MADVISE	DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_MADVISE, struct drm_i915_gem_madvise)
231#define DRM_IOCTL_I915_OVERLAY_PUT_IMAGE	DRM_IOW(DRM_COMMAND_BASE + DRM_I915_OVERLAY_PUT_IMAGE, struct drm_intel_overlay_put_image)
232#define DRM_IOCTL_I915_OVERLAY_ATTRS	DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_OVERLAY_ATTRS, struct drm_intel_overlay_attrs)
233
234/* Allow drivers to submit batchbuffers directly to hardware, relying
235 * on the security mechanisms provided by hardware.
236 */
237typedef struct drm_i915_batchbuffer {
238	int start;		/* agp offset */
239	int used;		/* nr bytes in use */
240	int DR1;		/* hw flags for GFX_OP_DRAWRECT_INFO */
241	int DR4;		/* window origin for GFX_OP_DRAWRECT_INFO */
242	int num_cliprects;	/* mulitpass with multiple cliprects? */
243	struct drm_clip_rect *cliprects;	/* pointer to userspace cliprects */
244} drm_i915_batchbuffer_t;
245
246/* As above, but pass a pointer to userspace buffer which can be
247 * validated by the kernel prior to sending to hardware.
248 */
249typedef struct _drm_i915_cmdbuffer {
250	char *buf;	/* pointer to userspace command buffer */
251	int sz;			/* nr bytes in buf */
252	int DR1;		/* hw flags for GFX_OP_DRAWRECT_INFO */
253	int DR4;		/* window origin for GFX_OP_DRAWRECT_INFO */
254	int num_cliprects;	/* mulitpass with multiple cliprects? */
255	struct drm_clip_rect *cliprects;	/* pointer to userspace cliprects */
256} drm_i915_cmdbuffer_t;
257
258/* Userspace can request & wait on irq's:
259 */
260typedef struct drm_i915_irq_emit {
261	int *irq_seq;
262} drm_i915_irq_emit_t;
263
264typedef struct drm_i915_irq_wait {
265	int irq_seq;
266} drm_i915_irq_wait_t;
267
268/* Ioctl to query kernel params:
269 */
270#define I915_PARAM_IRQ_ACTIVE            1
271#define I915_PARAM_ALLOW_BATCHBUFFER     2
272#define I915_PARAM_LAST_DISPATCH         3
273#define I915_PARAM_CHIPSET_ID            4
274#define I915_PARAM_HAS_GEM               5
275#define I915_PARAM_NUM_FENCES_AVAIL      6
276#define I915_PARAM_HAS_OVERLAY           7
277#define I915_PARAM_HAS_PAGEFLIPPING	 8
278#define I915_PARAM_HAS_EXECBUF2          9
279#define I915_PARAM_HAS_BSD		 10
280#define I915_PARAM_HAS_BLT		 11
281#define I915_PARAM_HAS_RELAXED_FENCING	 12
282#define I915_PARAM_HAS_COHERENT_RINGS	 13
283#define I915_PARAM_HAS_EXEC_CONSTANTS	 14
284#define I915_PARAM_HAS_RELAXED_DELTA	 15
285#define I915_PARAM_HAS_GEN7_SOL_RESET	 16
286
287typedef struct drm_i915_getparam {
288	int param;
289	int *value;
290} drm_i915_getparam_t;
291
292/* Ioctl to set kernel params:
293 */
294#define I915_SETPARAM_USE_MI_BATCHBUFFER_START            1
295#define I915_SETPARAM_TEX_LRU_LOG_GRANULARITY             2
296#define I915_SETPARAM_ALLOW_BATCHBUFFER                   3
297#define I915_SETPARAM_NUM_USED_FENCES                     4
298
299typedef struct drm_i915_setparam {
300	int param;
301	int value;
302} drm_i915_setparam_t;
303
304/* A memory manager for regions of shared memory:
305 */
306#define I915_MEM_REGION_AGP 1
307
308typedef struct drm_i915_mem_alloc {
309	int region;
310	int alignment;
311	int size;
312	int *region_offset;	/* offset from start of fb or agp */
313} drm_i915_mem_alloc_t;
314
315typedef struct drm_i915_mem_free {
316	int region;
317	int region_offset;
318} drm_i915_mem_free_t;
319
320typedef struct drm_i915_mem_init_heap {
321	int region;
322	int size;
323	int start;
324} drm_i915_mem_init_heap_t;
325
326/* Allow memory manager to be torn down and re-initialized (eg on
327 * rotate):
328 */
329typedef struct drm_i915_mem_destroy_heap {
330	int region;
331} drm_i915_mem_destroy_heap_t;
332
333/* Allow X server to configure which pipes to monitor for vblank signals
334 */
335#define	DRM_I915_VBLANK_PIPE_A	1
336#define	DRM_I915_VBLANK_PIPE_B	2
337
338typedef struct drm_i915_vblank_pipe {
339	int pipe;
340} drm_i915_vblank_pipe_t;
341
342/* Schedule buffer swap at given vertical blank:
343 */
344typedef struct drm_i915_vblank_swap {
345	drm_drawable_t drawable;
346	enum drm_vblank_seq_type seqtype;
347	unsigned int sequence;
348} drm_i915_vblank_swap_t;
349
350typedef struct drm_i915_hws_addr {
351	__u64 addr;
352} drm_i915_hws_addr_t;
353
354struct drm_i915_gem_init {
355	/**
356	 * Beginning offset in the GTT to be managed by the DRM memory
357	 * manager.
358	 */
359	__u64 gtt_start;
360	/**
361	 * Ending offset in the GTT to be managed by the DRM memory
362	 * manager.
363	 */
364	__u64 gtt_end;
365};
366
367struct drm_i915_gem_create {
368	/**
369	 * Requested size for the object.
370	 *
371	 * The (page-aligned) allocated size for the object will be returned.
372	 */
373	__u64 size;
374	/**
375	 * Returned handle for the object.
376	 *
377	 * Object handles are nonzero.
378	 */
379	__u32 handle;
380	__u32 pad;
381};
382
383struct drm_i915_gem_pread {
384	/** Handle for the object being read. */
385	__u32 handle;
386	__u32 pad;
387	/** Offset into the object to read from */
388	__u64 offset;
389	/** Length of data to read */
390	__u64 size;
391	/**
392	 * Pointer to write the data into.
393	 *
394	 * This is a fixed-size type for 32/64 compatibility.
395	 */
396	__u64 data_ptr;
397};
398
399struct drm_i915_gem_pwrite {
400	/** Handle for the object being written to. */
401	__u32 handle;
402	__u32 pad;
403	/** Offset into the object to write to */
404	__u64 offset;
405	/** Length of data to write */
406	__u64 size;
407	/**
408	 * Pointer to read the data from.
409	 *
410	 * This is a fixed-size type for 32/64 compatibility.
411	 */
412	__u64 data_ptr;
413};
414
415struct drm_i915_gem_mmap {
416	/** Handle for the object being mapped. */
417	__u32 handle;
418	__u32 pad;
419	/** Offset in the object to map. */
420	__u64 offset;
421	/**
422	 * Length of data to map.
423	 *
424	 * The value will be page-aligned.
425	 */
426	__u64 size;
427	/**
428	 * Returned pointer the data was mapped at.
429	 *
430	 * This is a fixed-size type for 32/64 compatibility.
431	 */
432	__u64 addr_ptr;
433};
434
435struct drm_i915_gem_mmap_gtt {
436	/** Handle for the object being mapped. */
437	__u32 handle;
438	__u32 pad;
439	/**
440	 * Fake offset to use for subsequent mmap call
441	 *
442	 * This is a fixed-size type for 32/64 compatibility.
443	 */
444	__u64 offset;
445};
446
447struct drm_i915_gem_set_domain {
448	/** Handle for the object */
449	__u32 handle;
450
451	/** New read domains */
452	__u32 read_domains;
453
454	/** New write domain */
455	__u32 write_domain;
456};
457
458struct drm_i915_gem_sw_finish {
459	/** Handle for the object */
460	__u32 handle;
461};
462
463struct drm_i915_gem_relocation_entry {
464	/**
465	 * Handle of the buffer being pointed to by this relocation entry.
466	 *
467	 * It's appealing to make this be an index into the mm_validate_entry
468	 * list to refer to the buffer, but this allows the driver to create
469	 * a relocation list for state buffers and not re-write it per
470	 * exec using the buffer.
471	 */
472	__u32 target_handle;
473
474	/**
475	 * Value to be added to the offset of the target buffer to make up
476	 * the relocation entry.
477	 */
478	__u32 delta;
479
480	/** Offset in the buffer the relocation entry will be written into */
481	__u64 offset;
482
483	/**
484	 * Offset value of the target buffer that the relocation entry was last
485	 * written as.
486	 *
487	 * If the buffer has the same offset as last time, we can skip syncing
488	 * and writing the relocation.  This value is written back out by
489	 * the execbuffer ioctl when the relocation is written.
490	 */
491	__u64 presumed_offset;
492
493	/**
494	 * Target memory domains read by this operation.
495	 */
496	__u32 read_domains;
497
498	/**
499	 * Target memory domains written by this operation.
500	 *
501	 * Note that only one domain may be written by the whole
502	 * execbuffer operation, so that where there are conflicts,
503	 * the application will get -EINVAL back.
504	 */
505	__u32 write_domain;
506};
507
508/** @{
509 * Intel memory domains
510 *
511 * Most of these just align with the various caches in
512 * the system and are used to flush and invalidate as
513 * objects end up cached in different domains.
514 */
515/** CPU cache */
516#define I915_GEM_DOMAIN_CPU		0x00000001
517/** Render cache, used by 2D and 3D drawing */
518#define I915_GEM_DOMAIN_RENDER		0x00000002
519/** Sampler cache, used by texture engine */
520#define I915_GEM_DOMAIN_SAMPLER		0x00000004
521/** Command queue, used to load batch buffers */
522#define I915_GEM_DOMAIN_COMMAND		0x00000008
523/** Instruction cache, used by shader programs */
524#define I915_GEM_DOMAIN_INSTRUCTION	0x00000010
525/** Vertex address cache */
526#define I915_GEM_DOMAIN_VERTEX		0x00000020
527/** GTT domain - aperture and scanout */
528#define I915_GEM_DOMAIN_GTT		0x00000040
529/** @} */
530
531struct drm_i915_gem_exec_object {
532	/**
533	 * User's handle for a buffer to be bound into the GTT for this
534	 * operation.
535	 */
536	__u32 handle;
537
538	/** Number of relocations to be performed on this buffer */
539	__u32 relocation_count;
540	/**
541	 * Pointer to array of struct drm_i915_gem_relocation_entry containing
542	 * the relocations to be performed in this buffer.
543	 */
544	__u64 relocs_ptr;
545
546	/** Required alignment in graphics aperture */
547	__u64 alignment;
548
549	/**
550	 * Returned value of the updated offset of the object, for future
551	 * presumed_offset writes.
552	 */
553	__u64 offset;
554};
555
556struct drm_i915_gem_execbuffer {
557	/**
558	 * List of buffers to be validated with their relocations to be
559	 * performend on them.
560	 *
561	 * This is a pointer to an array of struct drm_i915_gem_validate_entry.
562	 *
563	 * These buffers must be listed in an order such that all relocations
564	 * a buffer is performing refer to buffers that have already appeared
565	 * in the validate list.
566	 */
567	__u64 buffers_ptr;
568	__u32 buffer_count;
569
570	/** Offset in the batchbuffer to start execution from. */
571	__u32 batch_start_offset;
572	/** Bytes used in batchbuffer from batch_start_offset */
573	__u32 batch_len;
574	__u32 DR1;
575	__u32 DR4;
576	__u32 num_cliprects;
577	/** This is a struct drm_clip_rect *cliprects */
578	__u64 cliprects_ptr;
579};
580
581struct drm_i915_gem_exec_object2 {
582	/**
583	 * User's handle for a buffer to be bound into the GTT for this
584	 * operation.
585	 */
586	__u32 handle;
587
588	/** Number of relocations to be performed on this buffer */
589	__u32 relocation_count;
590	/**
591	 * Pointer to array of struct drm_i915_gem_relocation_entry containing
592	 * the relocations to be performed in this buffer.
593	 */
594	__u64 relocs_ptr;
595
596	/** Required alignment in graphics aperture */
597	__u64 alignment;
598
599	/**
600	 * Returned value of the updated offset of the object, for future
601	 * presumed_offset writes.
602	 */
603	__u64 offset;
604
605#define EXEC_OBJECT_NEEDS_FENCE (1<<0)
606	__u64 flags;
607	__u64 rsvd1;
608	__u64 rsvd2;
609};
610
611struct drm_i915_gem_execbuffer2 {
612	/**
613	 * List of gem_exec_object2 structs
614	 */
615	__u64 buffers_ptr;
616	__u32 buffer_count;
617
618	/** Offset in the batchbuffer to start execution from. */
619	__u32 batch_start_offset;
620	/** Bytes used in batchbuffer from batch_start_offset */
621	__u32 batch_len;
622	__u32 DR1;
623	__u32 DR4;
624	__u32 num_cliprects;
625	/** This is a struct drm_clip_rect *cliprects */
626	__u64 cliprects_ptr;
627#define I915_EXEC_RING_MASK              (7<<0)
628#define I915_EXEC_DEFAULT                (0<<0)
629#define I915_EXEC_RENDER                 (1<<0)
630#define I915_EXEC_BSD                    (2<<0)
631#define I915_EXEC_BLT                    (3<<0)
632
633/* Used for switching the constants addressing mode on gen4+ RENDER ring.
634 * Gen6+ only supports relative addressing to dynamic state (default) and
635 * absolute addressing.
636 *
637 * These flags are ignored for the BSD and BLT rings.
638 */
639#define I915_EXEC_CONSTANTS_MASK 	(3<<6)
640#define I915_EXEC_CONSTANTS_REL_GENERAL (0<<6) /* default */
641#define I915_EXEC_CONSTANTS_ABSOLUTE 	(1<<6)
642#define I915_EXEC_CONSTANTS_REL_SURFACE (2<<6) /* gen4/5 only */
643	__u64 flags;
644	__u64 rsvd1;
645	__u64 rsvd2;
646};
647
648/** Resets the SO write offset registers for transform feedback on gen7. */
649#define I915_EXEC_GEN7_SOL_RESET	(1<<8)
650
651struct drm_i915_gem_pin {
652	/** Handle of the buffer to be pinned. */
653	__u32 handle;
654	__u32 pad;
655
656	/** alignment required within the aperture */
657	__u64 alignment;
658
659	/** Returned GTT offset of the buffer. */
660	__u64 offset;
661};
662
663struct drm_i915_gem_unpin {
664	/** Handle of the buffer to be unpinned. */
665	__u32 handle;
666	__u32 pad;
667};
668
669struct drm_i915_gem_busy {
670	/** Handle of the buffer to check for busy */
671	__u32 handle;
672
673	/** Return busy status (1 if busy, 0 if idle) */
674	__u32 busy;
675};
676
677#define I915_TILING_NONE	0
678#define I915_TILING_X		1
679#define I915_TILING_Y		2
680
681#define I915_BIT_6_SWIZZLE_NONE		0
682#define I915_BIT_6_SWIZZLE_9		1
683#define I915_BIT_6_SWIZZLE_9_10		2
684#define I915_BIT_6_SWIZZLE_9_11		3
685#define I915_BIT_6_SWIZZLE_9_10_11	4
686/* Not seen by userland */
687#define I915_BIT_6_SWIZZLE_UNKNOWN	5
688/* Seen by userland. */
689#define I915_BIT_6_SWIZZLE_9_17		6
690#define I915_BIT_6_SWIZZLE_9_10_17	7
691
692struct drm_i915_gem_set_tiling {
693	/** Handle of the buffer to have its tiling state updated */
694	__u32 handle;
695
696	/**
697	 * Tiling mode for the object (I915_TILING_NONE, I915_TILING_X,
698	 * I915_TILING_Y).
699	 *
700	 * This value is to be set on request, and will be updated by the
701	 * kernel on successful return with the actual chosen tiling layout.
702	 *
703	 * The tiling mode may be demoted to I915_TILING_NONE when the system
704	 * has bit 6 swizzling that can't be managed correctly by GEM.
705	 *
706	 * Buffer contents become undefined when changing tiling_mode.
707	 */
708	__u32 tiling_mode;
709
710	/**
711	 * Stride in bytes for the object when in I915_TILING_X or
712	 * I915_TILING_Y.
713	 */
714	__u32 stride;
715
716	/**
717	 * Returned address bit 6 swizzling required for CPU access through
718	 * mmap mapping.
719	 */
720	__u32 swizzle_mode;
721};
722
723struct drm_i915_gem_get_tiling {
724	/** Handle of the buffer to get tiling state for. */
725	__u32 handle;
726
727	/**
728	 * Current tiling mode for the object (I915_TILING_NONE, I915_TILING_X,
729	 * I915_TILING_Y).
730	 */
731	__u32 tiling_mode;
732
733	/**
734	 * Returned address bit 6 swizzling required for CPU access through
735	 * mmap mapping.
736	 */
737	__u32 swizzle_mode;
738};
739
740struct drm_i915_gem_get_aperture {
741	/** Total size of the aperture used by i915_gem_execbuffer, in bytes */
742	__u64 aper_size;
743
744	/**
745	 * Available space in the aperture used by i915_gem_execbuffer, in
746	 * bytes
747	 */
748	__u64 aper_available_size;
749};
750
751struct drm_i915_get_pipe_from_crtc_id {
752	/** ID of CRTC being requested **/
753	__u32 crtc_id;
754
755	/** pipe of requested CRTC **/
756	__u32 pipe;
757};
758
759#define I915_MADV_WILLNEED 0
760#define I915_MADV_DONTNEED 1
761#define __I915_MADV_PURGED 2 /* internal state */
762
763struct drm_i915_gem_madvise {
764	/** Handle of the buffer to change the backing store advice */
765	__u32 handle;
766
767	/* Advice: either the buffer will be needed again in the near future,
768	 *         or wont be and could be discarded under memory pressure.
769	 */
770	__u32 madv;
771
772	/** Whether the backing store still exists. */
773	__u32 retained;
774};
775
776/* flags */
777#define I915_OVERLAY_TYPE_MASK 		0xff
778#define I915_OVERLAY_YUV_PLANAR 	0x01
779#define I915_OVERLAY_YUV_PACKED 	0x02
780#define I915_OVERLAY_RGB		0x03
781
782#define I915_OVERLAY_DEPTH_MASK		0xff00
783#define I915_OVERLAY_RGB24		0x1000
784#define I915_OVERLAY_RGB16		0x2000
785#define I915_OVERLAY_RGB15		0x3000
786#define I915_OVERLAY_YUV422		0x0100
787#define I915_OVERLAY_YUV411		0x0200
788#define I915_OVERLAY_YUV420		0x0300
789#define I915_OVERLAY_YUV410		0x0400
790
791#define I915_OVERLAY_SWAP_MASK		0xff0000
792#define I915_OVERLAY_NO_SWAP		0x000000
793#define I915_OVERLAY_UV_SWAP		0x010000
794#define I915_OVERLAY_Y_SWAP		0x020000
795#define I915_OVERLAY_Y_AND_UV_SWAP	0x030000
796
797#define I915_OVERLAY_FLAGS_MASK		0xff000000
798#define I915_OVERLAY_ENABLE		0x01000000
799
800struct drm_intel_overlay_put_image {
801	/* various flags and src format description */
802	__u32 flags;
803	/* source picture description */
804	__u32 bo_handle;
805	/* stride values and offsets are in bytes, buffer relative */
806	__u16 stride_Y; /* stride for packed formats */
807	__u16 stride_UV;
808	__u32 offset_Y; /* offset for packet formats */
809	__u32 offset_U;
810	__u32 offset_V;
811	/* in pixels */
812	__u16 src_width;
813	__u16 src_height;
814	/* to compensate the scaling factors for partially covered surfaces */
815	__u16 src_scan_width;
816	__u16 src_scan_height;
817	/* output crtc description */
818	__u32 crtc_id;
819	__u16 dst_x;
820	__u16 dst_y;
821	__u16 dst_width;
822	__u16 dst_height;
823};
824
825/* flags */
826#define I915_OVERLAY_UPDATE_ATTRS	(1<<0)
827#define I915_OVERLAY_UPDATE_GAMMA	(1<<1)
828struct drm_intel_overlay_attrs {
829	__u32 flags;
830	__u32 color_key;
831	__s32 brightness;
832	__u32 contrast;
833	__u32 saturation;
834	__u32 gamma0;
835	__u32 gamma1;
836	__u32 gamma2;
837	__u32 gamma3;
838	__u32 gamma4;
839	__u32 gamma5;
840};
841
842#endif				/* _I915_DRM_H_ */
843