xref: /openbmc/linux/include/drm/i915_drm.h (revision ee005577)
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 #ifdef __KERNEL__
37 /* For use by IPS driver */
38 extern unsigned long i915_read_mch_val(void);
39 extern bool i915_gpu_raise(void);
40 extern bool i915_gpu_lower(void);
41 extern bool i915_gpu_busy(void);
42 extern bool i915_gpu_turbo_disable(void);
43 #endif
44 
45 /* Each region is a minimum of 16k, and there are at most 255 of them.
46  */
47 #define I915_NR_TEX_REGIONS 255	/* table size 2k - maximum due to use
48 				 * of chars for next/prev indices */
49 #define I915_LOG_MIN_TEX_REGION_SIZE 14
50 
51 typedef struct _drm_i915_init {
52 	enum {
53 		I915_INIT_DMA = 0x01,
54 		I915_CLEANUP_DMA = 0x02,
55 		I915_RESUME_DMA = 0x03
56 	} func;
57 	unsigned int mmio_offset;
58 	int sarea_priv_offset;
59 	unsigned int ring_start;
60 	unsigned int ring_end;
61 	unsigned int ring_size;
62 	unsigned int front_offset;
63 	unsigned int back_offset;
64 	unsigned int depth_offset;
65 	unsigned int w;
66 	unsigned int h;
67 	unsigned int pitch;
68 	unsigned int pitch_bits;
69 	unsigned int back_pitch;
70 	unsigned int depth_pitch;
71 	unsigned int cpp;
72 	unsigned int chipset;
73 } drm_i915_init_t;
74 
75 typedef struct _drm_i915_sarea {
76 	struct drm_tex_region texList[I915_NR_TEX_REGIONS + 1];
77 	int last_upload;	/* last time texture was uploaded */
78 	int last_enqueue;	/* last time a buffer was enqueued */
79 	int last_dispatch;	/* age of the most recently dispatched buffer */
80 	int ctxOwner;		/* last context to upload state */
81 	int texAge;
82 	int pf_enabled;		/* is pageflipping allowed? */
83 	int pf_active;
84 	int pf_current_page;	/* which buffer is being displayed? */
85 	int perf_boxes;		/* performance boxes to be displayed */
86 	int width, height;      /* screen size in pixels */
87 
88 	drm_handle_t front_handle;
89 	int front_offset;
90 	int front_size;
91 
92 	drm_handle_t back_handle;
93 	int back_offset;
94 	int back_size;
95 
96 	drm_handle_t depth_handle;
97 	int depth_offset;
98 	int depth_size;
99 
100 	drm_handle_t tex_handle;
101 	int tex_offset;
102 	int tex_size;
103 	int log_tex_granularity;
104 	int pitch;
105 	int rotation;           /* 0, 90, 180 or 270 */
106 	int rotated_offset;
107 	int rotated_size;
108 	int rotated_pitch;
109 	int virtualX, virtualY;
110 
111 	unsigned int front_tiled;
112 	unsigned int back_tiled;
113 	unsigned int depth_tiled;
114 	unsigned int rotated_tiled;
115 	unsigned int rotated2_tiled;
116 
117 	int pipeA_x;
118 	int pipeA_y;
119 	int pipeA_w;
120 	int pipeA_h;
121 	int pipeB_x;
122 	int pipeB_y;
123 	int pipeB_w;
124 	int pipeB_h;
125 
126 	/* fill out some space for old userspace triple buffer */
127 	drm_handle_t unused_handle;
128 	__u32 unused1, unused2, unused3;
129 
130 	/* buffer object handles for static buffers. May change
131 	 * over the lifetime of the client.
132 	 */
133 	__u32 front_bo_handle;
134 	__u32 back_bo_handle;
135 	__u32 unused_bo_handle;
136 	__u32 depth_bo_handle;
137 
138 } drm_i915_sarea_t;
139 
140 /* due to userspace building against these headers we need some compat here */
141 #define planeA_x pipeA_x
142 #define planeA_y pipeA_y
143 #define planeA_w pipeA_w
144 #define planeA_h pipeA_h
145 #define planeB_x pipeB_x
146 #define planeB_y pipeB_y
147 #define planeB_w pipeB_w
148 #define planeB_h pipeB_h
149 
150 /* Flags for perf_boxes
151  */
152 #define I915_BOX_RING_EMPTY    0x1
153 #define I915_BOX_FLIP          0x2
154 #define I915_BOX_WAIT          0x4
155 #define I915_BOX_TEXTURE_LOAD  0x8
156 #define I915_BOX_LOST_CONTEXT  0x10
157 
158 /* I915 specific ioctls
159  * The device specific ioctl range is 0x40 to 0x79.
160  */
161 #define DRM_I915_INIT		0x00
162 #define DRM_I915_FLUSH		0x01
163 #define DRM_I915_FLIP		0x02
164 #define DRM_I915_BATCHBUFFER	0x03
165 #define DRM_I915_IRQ_EMIT	0x04
166 #define DRM_I915_IRQ_WAIT	0x05
167 #define DRM_I915_GETPARAM	0x06
168 #define DRM_I915_SETPARAM	0x07
169 #define DRM_I915_ALLOC		0x08
170 #define DRM_I915_FREE		0x09
171 #define DRM_I915_INIT_HEAP	0x0a
172 #define DRM_I915_CMDBUFFER	0x0b
173 #define DRM_I915_DESTROY_HEAP	0x0c
174 #define DRM_I915_SET_VBLANK_PIPE	0x0d
175 #define DRM_I915_GET_VBLANK_PIPE	0x0e
176 #define DRM_I915_VBLANK_SWAP	0x0f
177 #define DRM_I915_HWS_ADDR	0x11
178 #define DRM_I915_GEM_INIT	0x13
179 #define DRM_I915_GEM_EXECBUFFER	0x14
180 #define DRM_I915_GEM_PIN	0x15
181 #define DRM_I915_GEM_UNPIN	0x16
182 #define DRM_I915_GEM_BUSY	0x17
183 #define DRM_I915_GEM_THROTTLE	0x18
184 #define DRM_I915_GEM_ENTERVT	0x19
185 #define DRM_I915_GEM_LEAVEVT	0x1a
186 #define DRM_I915_GEM_CREATE	0x1b
187 #define DRM_I915_GEM_PREAD	0x1c
188 #define DRM_I915_GEM_PWRITE	0x1d
189 #define DRM_I915_GEM_MMAP	0x1e
190 #define DRM_I915_GEM_SET_DOMAIN	0x1f
191 #define DRM_I915_GEM_SW_FINISH	0x20
192 #define DRM_I915_GEM_SET_TILING	0x21
193 #define DRM_I915_GEM_GET_TILING	0x22
194 #define DRM_I915_GEM_GET_APERTURE 0x23
195 #define DRM_I915_GEM_MMAP_GTT	0x24
196 #define DRM_I915_GET_PIPE_FROM_CRTC_ID	0x25
197 #define DRM_I915_GEM_MADVISE	0x26
198 #define DRM_I915_OVERLAY_PUT_IMAGE	0x27
199 #define DRM_I915_OVERLAY_ATTRS	0x28
200 #define DRM_I915_GEM_EXECBUFFER2	0x29
201 
202 #define DRM_IOCTL_I915_INIT		DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT, drm_i915_init_t)
203 #define DRM_IOCTL_I915_FLUSH		DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLUSH)
204 #define DRM_IOCTL_I915_FLIP		DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLIP)
205 #define DRM_IOCTL_I915_BATCHBUFFER	DRM_IOW( DRM_COMMAND_BASE + DRM_I915_BATCHBUFFER, drm_i915_batchbuffer_t)
206 #define DRM_IOCTL_I915_IRQ_EMIT         DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_IRQ_EMIT, drm_i915_irq_emit_t)
207 #define DRM_IOCTL_I915_IRQ_WAIT         DRM_IOW( DRM_COMMAND_BASE + DRM_I915_IRQ_WAIT, drm_i915_irq_wait_t)
208 #define DRM_IOCTL_I915_GETPARAM         DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GETPARAM, drm_i915_getparam_t)
209 #define DRM_IOCTL_I915_SETPARAM         DRM_IOW( DRM_COMMAND_BASE + DRM_I915_SETPARAM, drm_i915_setparam_t)
210 #define DRM_IOCTL_I915_ALLOC            DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_ALLOC, drm_i915_mem_alloc_t)
211 #define DRM_IOCTL_I915_FREE             DRM_IOW( DRM_COMMAND_BASE + DRM_I915_FREE, drm_i915_mem_free_t)
212 #define DRM_IOCTL_I915_INIT_HEAP        DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT_HEAP, drm_i915_mem_init_heap_t)
213 #define DRM_IOCTL_I915_CMDBUFFER	DRM_IOW( DRM_COMMAND_BASE + DRM_I915_CMDBUFFER, drm_i915_cmdbuffer_t)
214 #define DRM_IOCTL_I915_DESTROY_HEAP	DRM_IOW( DRM_COMMAND_BASE + DRM_I915_DESTROY_HEAP, drm_i915_mem_destroy_heap_t)
215 #define DRM_IOCTL_I915_SET_VBLANK_PIPE	DRM_IOW( DRM_COMMAND_BASE + DRM_I915_SET_VBLANK_PIPE, drm_i915_vblank_pipe_t)
216 #define DRM_IOCTL_I915_GET_VBLANK_PIPE	DRM_IOR( DRM_COMMAND_BASE + DRM_I915_GET_VBLANK_PIPE, drm_i915_vblank_pipe_t)
217 #define DRM_IOCTL_I915_VBLANK_SWAP	DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_VBLANK_SWAP, drm_i915_vblank_swap_t)
218 #define DRM_IOCTL_I915_HWS_ADDR		DRM_IOW(DRM_COMMAND_BASE + DRM_I915_HWS_ADDR, struct drm_i915_gem_init)
219 #define DRM_IOCTL_I915_GEM_INIT		DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_INIT, struct drm_i915_gem_init)
220 #define DRM_IOCTL_I915_GEM_EXECBUFFER	DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_EXECBUFFER, struct drm_i915_gem_execbuffer)
221 #define DRM_IOCTL_I915_GEM_EXECBUFFER2	DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_EXECBUFFER2, struct drm_i915_gem_execbuffer2)
222 #define DRM_IOCTL_I915_GEM_PIN		DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_PIN, struct drm_i915_gem_pin)
223 #define DRM_IOCTL_I915_GEM_UNPIN	DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_UNPIN, struct drm_i915_gem_unpin)
224 #define DRM_IOCTL_I915_GEM_BUSY		DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_BUSY, struct drm_i915_gem_busy)
225 #define DRM_IOCTL_I915_GEM_THROTTLE	DRM_IO ( DRM_COMMAND_BASE + DRM_I915_GEM_THROTTLE)
226 #define DRM_IOCTL_I915_GEM_ENTERVT	DRM_IO(DRM_COMMAND_BASE + DRM_I915_GEM_ENTERVT)
227 #define DRM_IOCTL_I915_GEM_LEAVEVT	DRM_IO(DRM_COMMAND_BASE + DRM_I915_GEM_LEAVEVT)
228 #define DRM_IOCTL_I915_GEM_CREATE	DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_CREATE, struct drm_i915_gem_create)
229 #define DRM_IOCTL_I915_GEM_PREAD	DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_PREAD, struct drm_i915_gem_pread)
230 #define DRM_IOCTL_I915_GEM_PWRITE	DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_PWRITE, struct drm_i915_gem_pwrite)
231 #define DRM_IOCTL_I915_GEM_MMAP		DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_MMAP, struct drm_i915_gem_mmap)
232 #define DRM_IOCTL_I915_GEM_MMAP_GTT	DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_MMAP_GTT, struct drm_i915_gem_mmap_gtt)
233 #define DRM_IOCTL_I915_GEM_SET_DOMAIN	DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_SET_DOMAIN, struct drm_i915_gem_set_domain)
234 #define DRM_IOCTL_I915_GEM_SW_FINISH	DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_SW_FINISH, struct drm_i915_gem_sw_finish)
235 #define DRM_IOCTL_I915_GEM_SET_TILING	DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GEM_SET_TILING, struct drm_i915_gem_set_tiling)
236 #define DRM_IOCTL_I915_GEM_GET_TILING	DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GEM_GET_TILING, struct drm_i915_gem_get_tiling)
237 #define DRM_IOCTL_I915_GEM_GET_APERTURE	DRM_IOR  (DRM_COMMAND_BASE + DRM_I915_GEM_GET_APERTURE, struct drm_i915_gem_get_aperture)
238 #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)
239 #define DRM_IOCTL_I915_GEM_MADVISE	DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_MADVISE, struct drm_i915_gem_madvise)
240 #define DRM_IOCTL_I915_OVERLAY_PUT_IMAGE	DRM_IOW(DRM_COMMAND_BASE + DRM_IOCTL_I915_OVERLAY_ATTRS, struct drm_intel_overlay_put_image)
241 #define DRM_IOCTL_I915_OVERLAY_ATTRS	DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_OVERLAY_ATTRS, struct drm_intel_overlay_attrs)
242 
243 /* Allow drivers to submit batchbuffers directly to hardware, relying
244  * on the security mechanisms provided by hardware.
245  */
246 typedef struct drm_i915_batchbuffer {
247 	int start;		/* agp offset */
248 	int used;		/* nr bytes in use */
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_batchbuffer_t;
254 
255 /* As above, but pass a pointer to userspace buffer which can be
256  * validated by the kernel prior to sending to hardware.
257  */
258 typedef struct _drm_i915_cmdbuffer {
259 	char __user *buf;	/* pointer to userspace command buffer */
260 	int sz;			/* nr bytes in buf */
261 	int DR1;		/* hw flags for GFX_OP_DRAWRECT_INFO */
262 	int DR4;		/* window origin for GFX_OP_DRAWRECT_INFO */
263 	int num_cliprects;	/* mulitpass with multiple cliprects? */
264 	struct drm_clip_rect __user *cliprects;	/* pointer to userspace cliprects */
265 } drm_i915_cmdbuffer_t;
266 
267 /* Userspace can request & wait on irq's:
268  */
269 typedef struct drm_i915_irq_emit {
270 	int __user *irq_seq;
271 } drm_i915_irq_emit_t;
272 
273 typedef struct drm_i915_irq_wait {
274 	int irq_seq;
275 } drm_i915_irq_wait_t;
276 
277 /* Ioctl to query kernel params:
278  */
279 #define I915_PARAM_IRQ_ACTIVE            1
280 #define I915_PARAM_ALLOW_BATCHBUFFER     2
281 #define I915_PARAM_LAST_DISPATCH         3
282 #define I915_PARAM_CHIPSET_ID            4
283 #define I915_PARAM_HAS_GEM               5
284 #define I915_PARAM_NUM_FENCES_AVAIL      6
285 #define I915_PARAM_HAS_OVERLAY           7
286 #define I915_PARAM_HAS_PAGEFLIPPING	 8
287 #define I915_PARAM_HAS_EXECBUF2          9
288 #define I915_PARAM_HAS_BSD		 10
289 
290 typedef struct drm_i915_getparam {
291 	int param;
292 	int __user *value;
293 } drm_i915_getparam_t;
294 
295 /* Ioctl to set kernel params:
296  */
297 #define I915_SETPARAM_USE_MI_BATCHBUFFER_START            1
298 #define I915_SETPARAM_TEX_LRU_LOG_GRANULARITY             2
299 #define I915_SETPARAM_ALLOW_BATCHBUFFER                   3
300 #define I915_SETPARAM_NUM_USED_FENCES                     4
301 
302 typedef struct drm_i915_setparam {
303 	int param;
304 	int value;
305 } drm_i915_setparam_t;
306 
307 /* A memory manager for regions of shared memory:
308  */
309 #define I915_MEM_REGION_AGP 1
310 
311 typedef struct drm_i915_mem_alloc {
312 	int region;
313 	int alignment;
314 	int size;
315 	int __user *region_offset;	/* offset from start of fb or agp */
316 } drm_i915_mem_alloc_t;
317 
318 typedef struct drm_i915_mem_free {
319 	int region;
320 	int region_offset;
321 } drm_i915_mem_free_t;
322 
323 typedef struct drm_i915_mem_init_heap {
324 	int region;
325 	int size;
326 	int start;
327 } drm_i915_mem_init_heap_t;
328 
329 /* Allow memory manager to be torn down and re-initialized (eg on
330  * rotate):
331  */
332 typedef struct drm_i915_mem_destroy_heap {
333 	int region;
334 } drm_i915_mem_destroy_heap_t;
335 
336 /* Allow X server to configure which pipes to monitor for vblank signals
337  */
338 #define	DRM_I915_VBLANK_PIPE_A	1
339 #define	DRM_I915_VBLANK_PIPE_B	2
340 
341 typedef struct drm_i915_vblank_pipe {
342 	int pipe;
343 } drm_i915_vblank_pipe_t;
344 
345 /* Schedule buffer swap at given vertical blank:
346  */
347 typedef struct drm_i915_vblank_swap {
348 	drm_drawable_t drawable;
349 	enum drm_vblank_seq_type seqtype;
350 	unsigned int sequence;
351 } drm_i915_vblank_swap_t;
352 
353 typedef struct drm_i915_hws_addr {
354 	__u64 addr;
355 } drm_i915_hws_addr_t;
356 
357 struct drm_i915_gem_init {
358 	/**
359 	 * Beginning offset in the GTT to be managed by the DRM memory
360 	 * manager.
361 	 */
362 	__u64 gtt_start;
363 	/**
364 	 * Ending offset in the GTT to be managed by the DRM memory
365 	 * manager.
366 	 */
367 	__u64 gtt_end;
368 };
369 
370 struct drm_i915_gem_create {
371 	/**
372 	 * Requested size for the object.
373 	 *
374 	 * The (page-aligned) allocated size for the object will be returned.
375 	 */
376 	__u64 size;
377 	/**
378 	 * Returned handle for the object.
379 	 *
380 	 * Object handles are nonzero.
381 	 */
382 	__u32 handle;
383 	__u32 pad;
384 };
385 
386 struct drm_i915_gem_pread {
387 	/** Handle for the object being read. */
388 	__u32 handle;
389 	__u32 pad;
390 	/** Offset into the object to read from */
391 	__u64 offset;
392 	/** Length of data to read */
393 	__u64 size;
394 	/**
395 	 * Pointer to write the data into.
396 	 *
397 	 * This is a fixed-size type for 32/64 compatibility.
398 	 */
399 	__u64 data_ptr;
400 };
401 
402 struct drm_i915_gem_pwrite {
403 	/** Handle for the object being written to. */
404 	__u32 handle;
405 	__u32 pad;
406 	/** Offset into the object to write to */
407 	__u64 offset;
408 	/** Length of data to write */
409 	__u64 size;
410 	/**
411 	 * Pointer to read the data from.
412 	 *
413 	 * This is a fixed-size type for 32/64 compatibility.
414 	 */
415 	__u64 data_ptr;
416 };
417 
418 struct drm_i915_gem_mmap {
419 	/** Handle for the object being mapped. */
420 	__u32 handle;
421 	__u32 pad;
422 	/** Offset in the object to map. */
423 	__u64 offset;
424 	/**
425 	 * Length of data to map.
426 	 *
427 	 * The value will be page-aligned.
428 	 */
429 	__u64 size;
430 	/**
431 	 * Returned pointer the data was mapped at.
432 	 *
433 	 * This is a fixed-size type for 32/64 compatibility.
434 	 */
435 	__u64 addr_ptr;
436 };
437 
438 struct drm_i915_gem_mmap_gtt {
439 	/** Handle for the object being mapped. */
440 	__u32 handle;
441 	__u32 pad;
442 	/**
443 	 * Fake offset to use for subsequent mmap call
444 	 *
445 	 * This is a fixed-size type for 32/64 compatibility.
446 	 */
447 	__u64 offset;
448 };
449 
450 struct drm_i915_gem_set_domain {
451 	/** Handle for the object */
452 	__u32 handle;
453 
454 	/** New read domains */
455 	__u32 read_domains;
456 
457 	/** New write domain */
458 	__u32 write_domain;
459 };
460 
461 struct drm_i915_gem_sw_finish {
462 	/** Handle for the object */
463 	__u32 handle;
464 };
465 
466 struct drm_i915_gem_relocation_entry {
467 	/**
468 	 * Handle of the buffer being pointed to by this relocation entry.
469 	 *
470 	 * It's appealing to make this be an index into the mm_validate_entry
471 	 * list to refer to the buffer, but this allows the driver to create
472 	 * a relocation list for state buffers and not re-write it per
473 	 * exec using the buffer.
474 	 */
475 	__u32 target_handle;
476 
477 	/**
478 	 * Value to be added to the offset of the target buffer to make up
479 	 * the relocation entry.
480 	 */
481 	__u32 delta;
482 
483 	/** Offset in the buffer the relocation entry will be written into */
484 	__u64 offset;
485 
486 	/**
487 	 * Offset value of the target buffer that the relocation entry was last
488 	 * written as.
489 	 *
490 	 * If the buffer has the same offset as last time, we can skip syncing
491 	 * and writing the relocation.  This value is written back out by
492 	 * the execbuffer ioctl when the relocation is written.
493 	 */
494 	__u64 presumed_offset;
495 
496 	/**
497 	 * Target memory domains read by this operation.
498 	 */
499 	__u32 read_domains;
500 
501 	/**
502 	 * Target memory domains written by this operation.
503 	 *
504 	 * Note that only one domain may be written by the whole
505 	 * execbuffer operation, so that where there are conflicts,
506 	 * the application will get -EINVAL back.
507 	 */
508 	__u32 write_domain;
509 };
510 
511 /** @{
512  * Intel memory domains
513  *
514  * Most of these just align with the various caches in
515  * the system and are used to flush and invalidate as
516  * objects end up cached in different domains.
517  */
518 /** CPU cache */
519 #define I915_GEM_DOMAIN_CPU		0x00000001
520 /** Render cache, used by 2D and 3D drawing */
521 #define I915_GEM_DOMAIN_RENDER		0x00000002
522 /** Sampler cache, used by texture engine */
523 #define I915_GEM_DOMAIN_SAMPLER		0x00000004
524 /** Command queue, used to load batch buffers */
525 #define I915_GEM_DOMAIN_COMMAND		0x00000008
526 /** Instruction cache, used by shader programs */
527 #define I915_GEM_DOMAIN_INSTRUCTION	0x00000010
528 /** Vertex address cache */
529 #define I915_GEM_DOMAIN_VERTEX		0x00000020
530 /** GTT domain - aperture and scanout */
531 #define I915_GEM_DOMAIN_GTT		0x00000040
532 /** @} */
533 
534 struct drm_i915_gem_exec_object {
535 	/**
536 	 * User's handle for a buffer to be bound into the GTT for this
537 	 * operation.
538 	 */
539 	__u32 handle;
540 
541 	/** Number of relocations to be performed on this buffer */
542 	__u32 relocation_count;
543 	/**
544 	 * Pointer to array of struct drm_i915_gem_relocation_entry containing
545 	 * the relocations to be performed in this buffer.
546 	 */
547 	__u64 relocs_ptr;
548 
549 	/** Required alignment in graphics aperture */
550 	__u64 alignment;
551 
552 	/**
553 	 * Returned value of the updated offset of the object, for future
554 	 * presumed_offset writes.
555 	 */
556 	__u64 offset;
557 };
558 
559 struct drm_i915_gem_execbuffer {
560 	/**
561 	 * List of buffers to be validated with their relocations to be
562 	 * performend on them.
563 	 *
564 	 * This is a pointer to an array of struct drm_i915_gem_validate_entry.
565 	 *
566 	 * These buffers must be listed in an order such that all relocations
567 	 * a buffer is performing refer to buffers that have already appeared
568 	 * in the validate list.
569 	 */
570 	__u64 buffers_ptr;
571 	__u32 buffer_count;
572 
573 	/** Offset in the batchbuffer to start execution from. */
574 	__u32 batch_start_offset;
575 	/** Bytes used in batchbuffer from batch_start_offset */
576 	__u32 batch_len;
577 	__u32 DR1;
578 	__u32 DR4;
579 	__u32 num_cliprects;
580 	/** This is a struct drm_clip_rect *cliprects */
581 	__u64 cliprects_ptr;
582 };
583 
584 struct drm_i915_gem_exec_object2 {
585 	/**
586 	 * User's handle for a buffer to be bound into the GTT for this
587 	 * operation.
588 	 */
589 	__u32 handle;
590 
591 	/** Number of relocations to be performed on this buffer */
592 	__u32 relocation_count;
593 	/**
594 	 * Pointer to array of struct drm_i915_gem_relocation_entry containing
595 	 * the relocations to be performed in this buffer.
596 	 */
597 	__u64 relocs_ptr;
598 
599 	/** Required alignment in graphics aperture */
600 	__u64 alignment;
601 
602 	/**
603 	 * Returned value of the updated offset of the object, for future
604 	 * presumed_offset writes.
605 	 */
606 	__u64 offset;
607 
608 #define EXEC_OBJECT_NEEDS_FENCE (1<<0)
609 	__u64 flags;
610 	__u64 rsvd1;
611 	__u64 rsvd2;
612 };
613 
614 struct drm_i915_gem_execbuffer2 {
615 	/**
616 	 * List of gem_exec_object2 structs
617 	 */
618 	__u64 buffers_ptr;
619 	__u32 buffer_count;
620 
621 	/** Offset in the batchbuffer to start execution from. */
622 	__u32 batch_start_offset;
623 	/** Bytes used in batchbuffer from batch_start_offset */
624 	__u32 batch_len;
625 	__u32 DR1;
626 	__u32 DR4;
627 	__u32 num_cliprects;
628 	/** This is a struct drm_clip_rect *cliprects */
629 	__u64 cliprects_ptr;
630 #define I915_EXEC_RENDER                 (1<<0)
631 #define I915_EXEC_BSD                    (1<<1)
632 	__u64 flags;
633 	__u64 rsvd1;
634 	__u64 rsvd2;
635 };
636 
637 struct drm_i915_gem_pin {
638 	/** Handle of the buffer to be pinned. */
639 	__u32 handle;
640 	__u32 pad;
641 
642 	/** alignment required within the aperture */
643 	__u64 alignment;
644 
645 	/** Returned GTT offset of the buffer. */
646 	__u64 offset;
647 };
648 
649 struct drm_i915_gem_unpin {
650 	/** Handle of the buffer to be unpinned. */
651 	__u32 handle;
652 	__u32 pad;
653 };
654 
655 struct drm_i915_gem_busy {
656 	/** Handle of the buffer to check for busy */
657 	__u32 handle;
658 
659 	/** Return busy status (1 if busy, 0 if idle) */
660 	__u32 busy;
661 };
662 
663 #define I915_TILING_NONE	0
664 #define I915_TILING_X		1
665 #define I915_TILING_Y		2
666 
667 #define I915_BIT_6_SWIZZLE_NONE		0
668 #define I915_BIT_6_SWIZZLE_9		1
669 #define I915_BIT_6_SWIZZLE_9_10		2
670 #define I915_BIT_6_SWIZZLE_9_11		3
671 #define I915_BIT_6_SWIZZLE_9_10_11	4
672 /* Not seen by userland */
673 #define I915_BIT_6_SWIZZLE_UNKNOWN	5
674 /* Seen by userland. */
675 #define I915_BIT_6_SWIZZLE_9_17		6
676 #define I915_BIT_6_SWIZZLE_9_10_17	7
677 
678 struct drm_i915_gem_set_tiling {
679 	/** Handle of the buffer to have its tiling state updated */
680 	__u32 handle;
681 
682 	/**
683 	 * Tiling mode for the object (I915_TILING_NONE, I915_TILING_X,
684 	 * I915_TILING_Y).
685 	 *
686 	 * This value is to be set on request, and will be updated by the
687 	 * kernel on successful return with the actual chosen tiling layout.
688 	 *
689 	 * The tiling mode may be demoted to I915_TILING_NONE when the system
690 	 * has bit 6 swizzling that can't be managed correctly by GEM.
691 	 *
692 	 * Buffer contents become undefined when changing tiling_mode.
693 	 */
694 	__u32 tiling_mode;
695 
696 	/**
697 	 * Stride in bytes for the object when in I915_TILING_X or
698 	 * I915_TILING_Y.
699 	 */
700 	__u32 stride;
701 
702 	/**
703 	 * Returned address bit 6 swizzling required for CPU access through
704 	 * mmap mapping.
705 	 */
706 	__u32 swizzle_mode;
707 };
708 
709 struct drm_i915_gem_get_tiling {
710 	/** Handle of the buffer to get tiling state for. */
711 	__u32 handle;
712 
713 	/**
714 	 * Current tiling mode for the object (I915_TILING_NONE, I915_TILING_X,
715 	 * I915_TILING_Y).
716 	 */
717 	__u32 tiling_mode;
718 
719 	/**
720 	 * Returned address bit 6 swizzling required for CPU access through
721 	 * mmap mapping.
722 	 */
723 	__u32 swizzle_mode;
724 };
725 
726 struct drm_i915_gem_get_aperture {
727 	/** Total size of the aperture used by i915_gem_execbuffer, in bytes */
728 	__u64 aper_size;
729 
730 	/**
731 	 * Available space in the aperture used by i915_gem_execbuffer, in
732 	 * bytes
733 	 */
734 	__u64 aper_available_size;
735 };
736 
737 struct drm_i915_get_pipe_from_crtc_id {
738 	/** ID of CRTC being requested **/
739 	__u32 crtc_id;
740 
741 	/** pipe of requested CRTC **/
742 	__u32 pipe;
743 };
744 
745 #define I915_MADV_WILLNEED 0
746 #define I915_MADV_DONTNEED 1
747 #define __I915_MADV_PURGED 2 /* internal state */
748 
749 struct drm_i915_gem_madvise {
750 	/** Handle of the buffer to change the backing store advice */
751 	__u32 handle;
752 
753 	/* Advice: either the buffer will be needed again in the near future,
754 	 *         or wont be and could be discarded under memory pressure.
755 	 */
756 	__u32 madv;
757 
758 	/** Whether the backing store still exists. */
759 	__u32 retained;
760 };
761 
762 /* flags */
763 #define I915_OVERLAY_TYPE_MASK 		0xff
764 #define I915_OVERLAY_YUV_PLANAR 	0x01
765 #define I915_OVERLAY_YUV_PACKED 	0x02
766 #define I915_OVERLAY_RGB		0x03
767 
768 #define I915_OVERLAY_DEPTH_MASK		0xff00
769 #define I915_OVERLAY_RGB24		0x1000
770 #define I915_OVERLAY_RGB16		0x2000
771 #define I915_OVERLAY_RGB15		0x3000
772 #define I915_OVERLAY_YUV422		0x0100
773 #define I915_OVERLAY_YUV411		0x0200
774 #define I915_OVERLAY_YUV420		0x0300
775 #define I915_OVERLAY_YUV410		0x0400
776 
777 #define I915_OVERLAY_SWAP_MASK		0xff0000
778 #define I915_OVERLAY_NO_SWAP		0x000000
779 #define I915_OVERLAY_UV_SWAP		0x010000
780 #define I915_OVERLAY_Y_SWAP		0x020000
781 #define I915_OVERLAY_Y_AND_UV_SWAP	0x030000
782 
783 #define I915_OVERLAY_FLAGS_MASK		0xff000000
784 #define I915_OVERLAY_ENABLE		0x01000000
785 
786 struct drm_intel_overlay_put_image {
787 	/* various flags and src format description */
788 	__u32 flags;
789 	/* source picture description */
790 	__u32 bo_handle;
791 	/* stride values and offsets are in bytes, buffer relative */
792 	__u16 stride_Y; /* stride for packed formats */
793 	__u16 stride_UV;
794 	__u32 offset_Y; /* offset for packet formats */
795 	__u32 offset_U;
796 	__u32 offset_V;
797 	/* in pixels */
798 	__u16 src_width;
799 	__u16 src_height;
800 	/* to compensate the scaling factors for partially covered surfaces */
801 	__u16 src_scan_width;
802 	__u16 src_scan_height;
803 	/* output crtc description */
804 	__u32 crtc_id;
805 	__u16 dst_x;
806 	__u16 dst_y;
807 	__u16 dst_width;
808 	__u16 dst_height;
809 };
810 
811 /* flags */
812 #define I915_OVERLAY_UPDATE_ATTRS	(1<<0)
813 #define I915_OVERLAY_UPDATE_GAMMA	(1<<1)
814 struct drm_intel_overlay_attrs {
815 	__u32 flags;
816 	__u32 color_key;
817 	__s32 brightness;
818 	__u32 contrast;
819 	__u32 saturation;
820 	__u32 gamma0;
821 	__u32 gamma1;
822 	__u32 gamma2;
823 	__u32 gamma3;
824 	__u32 gamma4;
825 	__u32 gamma5;
826 };
827 
828 #endif				/* _I915_DRM_H_ */
829