xref: /openbmc/linux/include/drm/i915_drm.h (revision a00b10c3)
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 #define I915_PARAM_HAS_BLT		 11
290 #define I915_PARAM_HAS_RELAXED_FENCING	 12
291 
292 typedef struct drm_i915_getparam {
293 	int param;
294 	int __user *value;
295 } drm_i915_getparam_t;
296 
297 /* Ioctl to set kernel params:
298  */
299 #define I915_SETPARAM_USE_MI_BATCHBUFFER_START            1
300 #define I915_SETPARAM_TEX_LRU_LOG_GRANULARITY             2
301 #define I915_SETPARAM_ALLOW_BATCHBUFFER                   3
302 #define I915_SETPARAM_NUM_USED_FENCES                     4
303 
304 typedef struct drm_i915_setparam {
305 	int param;
306 	int value;
307 } drm_i915_setparam_t;
308 
309 /* A memory manager for regions of shared memory:
310  */
311 #define I915_MEM_REGION_AGP 1
312 
313 typedef struct drm_i915_mem_alloc {
314 	int region;
315 	int alignment;
316 	int size;
317 	int __user *region_offset;	/* offset from start of fb or agp */
318 } drm_i915_mem_alloc_t;
319 
320 typedef struct drm_i915_mem_free {
321 	int region;
322 	int region_offset;
323 } drm_i915_mem_free_t;
324 
325 typedef struct drm_i915_mem_init_heap {
326 	int region;
327 	int size;
328 	int start;
329 } drm_i915_mem_init_heap_t;
330 
331 /* Allow memory manager to be torn down and re-initialized (eg on
332  * rotate):
333  */
334 typedef struct drm_i915_mem_destroy_heap {
335 	int region;
336 } drm_i915_mem_destroy_heap_t;
337 
338 /* Allow X server to configure which pipes to monitor for vblank signals
339  */
340 #define	DRM_I915_VBLANK_PIPE_A	1
341 #define	DRM_I915_VBLANK_PIPE_B	2
342 
343 typedef struct drm_i915_vblank_pipe {
344 	int pipe;
345 } drm_i915_vblank_pipe_t;
346 
347 /* Schedule buffer swap at given vertical blank:
348  */
349 typedef struct drm_i915_vblank_swap {
350 	drm_drawable_t drawable;
351 	enum drm_vblank_seq_type seqtype;
352 	unsigned int sequence;
353 } drm_i915_vblank_swap_t;
354 
355 typedef struct drm_i915_hws_addr {
356 	__u64 addr;
357 } drm_i915_hws_addr_t;
358 
359 struct drm_i915_gem_init {
360 	/**
361 	 * Beginning offset in the GTT to be managed by the DRM memory
362 	 * manager.
363 	 */
364 	__u64 gtt_start;
365 	/**
366 	 * Ending offset in the GTT to be managed by the DRM memory
367 	 * manager.
368 	 */
369 	__u64 gtt_end;
370 };
371 
372 struct drm_i915_gem_create {
373 	/**
374 	 * Requested size for the object.
375 	 *
376 	 * The (page-aligned) allocated size for the object will be returned.
377 	 */
378 	__u64 size;
379 	/**
380 	 * Returned handle for the object.
381 	 *
382 	 * Object handles are nonzero.
383 	 */
384 	__u32 handle;
385 	__u32 pad;
386 };
387 
388 struct drm_i915_gem_pread {
389 	/** Handle for the object being read. */
390 	__u32 handle;
391 	__u32 pad;
392 	/** Offset into the object to read from */
393 	__u64 offset;
394 	/** Length of data to read */
395 	__u64 size;
396 	/**
397 	 * Pointer to write the data into.
398 	 *
399 	 * This is a fixed-size type for 32/64 compatibility.
400 	 */
401 	__u64 data_ptr;
402 };
403 
404 struct drm_i915_gem_pwrite {
405 	/** Handle for the object being written to. */
406 	__u32 handle;
407 	__u32 pad;
408 	/** Offset into the object to write to */
409 	__u64 offset;
410 	/** Length of data to write */
411 	__u64 size;
412 	/**
413 	 * Pointer to read the data from.
414 	 *
415 	 * This is a fixed-size type for 32/64 compatibility.
416 	 */
417 	__u64 data_ptr;
418 };
419 
420 struct drm_i915_gem_mmap {
421 	/** Handle for the object being mapped. */
422 	__u32 handle;
423 	__u32 pad;
424 	/** Offset in the object to map. */
425 	__u64 offset;
426 	/**
427 	 * Length of data to map.
428 	 *
429 	 * The value will be page-aligned.
430 	 */
431 	__u64 size;
432 	/**
433 	 * Returned pointer the data was mapped at.
434 	 *
435 	 * This is a fixed-size type for 32/64 compatibility.
436 	 */
437 	__u64 addr_ptr;
438 };
439 
440 struct drm_i915_gem_mmap_gtt {
441 	/** Handle for the object being mapped. */
442 	__u32 handle;
443 	__u32 pad;
444 	/**
445 	 * Fake offset to use for subsequent mmap call
446 	 *
447 	 * This is a fixed-size type for 32/64 compatibility.
448 	 */
449 	__u64 offset;
450 };
451 
452 struct drm_i915_gem_set_domain {
453 	/** Handle for the object */
454 	__u32 handle;
455 
456 	/** New read domains */
457 	__u32 read_domains;
458 
459 	/** New write domain */
460 	__u32 write_domain;
461 };
462 
463 struct drm_i915_gem_sw_finish {
464 	/** Handle for the object */
465 	__u32 handle;
466 };
467 
468 struct drm_i915_gem_relocation_entry {
469 	/**
470 	 * Handle of the buffer being pointed to by this relocation entry.
471 	 *
472 	 * It's appealing to make this be an index into the mm_validate_entry
473 	 * list to refer to the buffer, but this allows the driver to create
474 	 * a relocation list for state buffers and not re-write it per
475 	 * exec using the buffer.
476 	 */
477 	__u32 target_handle;
478 
479 	/**
480 	 * Value to be added to the offset of the target buffer to make up
481 	 * the relocation entry.
482 	 */
483 	__u32 delta;
484 
485 	/** Offset in the buffer the relocation entry will be written into */
486 	__u64 offset;
487 
488 	/**
489 	 * Offset value of the target buffer that the relocation entry was last
490 	 * written as.
491 	 *
492 	 * If the buffer has the same offset as last time, we can skip syncing
493 	 * and writing the relocation.  This value is written back out by
494 	 * the execbuffer ioctl when the relocation is written.
495 	 */
496 	__u64 presumed_offset;
497 
498 	/**
499 	 * Target memory domains read by this operation.
500 	 */
501 	__u32 read_domains;
502 
503 	/**
504 	 * Target memory domains written by this operation.
505 	 *
506 	 * Note that only one domain may be written by the whole
507 	 * execbuffer operation, so that where there are conflicts,
508 	 * the application will get -EINVAL back.
509 	 */
510 	__u32 write_domain;
511 };
512 
513 /** @{
514  * Intel memory domains
515  *
516  * Most of these just align with the various caches in
517  * the system and are used to flush and invalidate as
518  * objects end up cached in different domains.
519  */
520 /** CPU cache */
521 #define I915_GEM_DOMAIN_CPU		0x00000001
522 /** Render cache, used by 2D and 3D drawing */
523 #define I915_GEM_DOMAIN_RENDER		0x00000002
524 /** Sampler cache, used by texture engine */
525 #define I915_GEM_DOMAIN_SAMPLER		0x00000004
526 /** Command queue, used to load batch buffers */
527 #define I915_GEM_DOMAIN_COMMAND		0x00000008
528 /** Instruction cache, used by shader programs */
529 #define I915_GEM_DOMAIN_INSTRUCTION	0x00000010
530 /** Vertex address cache */
531 #define I915_GEM_DOMAIN_VERTEX		0x00000020
532 /** GTT domain - aperture and scanout */
533 #define I915_GEM_DOMAIN_GTT		0x00000040
534 /** @} */
535 
536 struct drm_i915_gem_exec_object {
537 	/**
538 	 * User's handle for a buffer to be bound into the GTT for this
539 	 * operation.
540 	 */
541 	__u32 handle;
542 
543 	/** Number of relocations to be performed on this buffer */
544 	__u32 relocation_count;
545 	/**
546 	 * Pointer to array of struct drm_i915_gem_relocation_entry containing
547 	 * the relocations to be performed in this buffer.
548 	 */
549 	__u64 relocs_ptr;
550 
551 	/** Required alignment in graphics aperture */
552 	__u64 alignment;
553 
554 	/**
555 	 * Returned value of the updated offset of the object, for future
556 	 * presumed_offset writes.
557 	 */
558 	__u64 offset;
559 };
560 
561 struct drm_i915_gem_execbuffer {
562 	/**
563 	 * List of buffers to be validated with their relocations to be
564 	 * performend on them.
565 	 *
566 	 * This is a pointer to an array of struct drm_i915_gem_validate_entry.
567 	 *
568 	 * These buffers must be listed in an order such that all relocations
569 	 * a buffer is performing refer to buffers that have already appeared
570 	 * in the validate list.
571 	 */
572 	__u64 buffers_ptr;
573 	__u32 buffer_count;
574 
575 	/** Offset in the batchbuffer to start execution from. */
576 	__u32 batch_start_offset;
577 	/** Bytes used in batchbuffer from batch_start_offset */
578 	__u32 batch_len;
579 	__u32 DR1;
580 	__u32 DR4;
581 	__u32 num_cliprects;
582 	/** This is a struct drm_clip_rect *cliprects */
583 	__u64 cliprects_ptr;
584 };
585 
586 struct drm_i915_gem_exec_object2 {
587 	/**
588 	 * User's handle for a buffer to be bound into the GTT for this
589 	 * operation.
590 	 */
591 	__u32 handle;
592 
593 	/** Number of relocations to be performed on this buffer */
594 	__u32 relocation_count;
595 	/**
596 	 * Pointer to array of struct drm_i915_gem_relocation_entry containing
597 	 * the relocations to be performed in this buffer.
598 	 */
599 	__u64 relocs_ptr;
600 
601 	/** Required alignment in graphics aperture */
602 	__u64 alignment;
603 
604 	/**
605 	 * Returned value of the updated offset of the object, for future
606 	 * presumed_offset writes.
607 	 */
608 	__u64 offset;
609 
610 #define EXEC_OBJECT_NEEDS_FENCE (1<<0)
611 	__u64 flags;
612 	__u64 rsvd1;
613 	__u64 rsvd2;
614 };
615 
616 struct drm_i915_gem_execbuffer2 {
617 	/**
618 	 * List of gem_exec_object2 structs
619 	 */
620 	__u64 buffers_ptr;
621 	__u32 buffer_count;
622 
623 	/** Offset in the batchbuffer to start execution from. */
624 	__u32 batch_start_offset;
625 	/** Bytes used in batchbuffer from batch_start_offset */
626 	__u32 batch_len;
627 	__u32 DR1;
628 	__u32 DR4;
629 	__u32 num_cliprects;
630 	/** This is a struct drm_clip_rect *cliprects */
631 	__u64 cliprects_ptr;
632 #define I915_EXEC_RING_MASK              (7<<0)
633 #define I915_EXEC_DEFAULT                (0<<0)
634 #define I915_EXEC_RENDER                 (1<<0)
635 #define I915_EXEC_BSD                    (2<<0)
636 #define I915_EXEC_BLT                    (3<<0)
637 	__u64 flags;
638 	__u64 rsvd1;
639 	__u64 rsvd2;
640 };
641 
642 struct drm_i915_gem_pin {
643 	/** Handle of the buffer to be pinned. */
644 	__u32 handle;
645 	__u32 pad;
646 
647 	/** alignment required within the aperture */
648 	__u64 alignment;
649 
650 	/** Returned GTT offset of the buffer. */
651 	__u64 offset;
652 };
653 
654 struct drm_i915_gem_unpin {
655 	/** Handle of the buffer to be unpinned. */
656 	__u32 handle;
657 	__u32 pad;
658 };
659 
660 struct drm_i915_gem_busy {
661 	/** Handle of the buffer to check for busy */
662 	__u32 handle;
663 
664 	/** Return busy status (1 if busy, 0 if idle) */
665 	__u32 busy;
666 };
667 
668 #define I915_TILING_NONE	0
669 #define I915_TILING_X		1
670 #define I915_TILING_Y		2
671 
672 #define I915_BIT_6_SWIZZLE_NONE		0
673 #define I915_BIT_6_SWIZZLE_9		1
674 #define I915_BIT_6_SWIZZLE_9_10		2
675 #define I915_BIT_6_SWIZZLE_9_11		3
676 #define I915_BIT_6_SWIZZLE_9_10_11	4
677 /* Not seen by userland */
678 #define I915_BIT_6_SWIZZLE_UNKNOWN	5
679 /* Seen by userland. */
680 #define I915_BIT_6_SWIZZLE_9_17		6
681 #define I915_BIT_6_SWIZZLE_9_10_17	7
682 
683 struct drm_i915_gem_set_tiling {
684 	/** Handle of the buffer to have its tiling state updated */
685 	__u32 handle;
686 
687 	/**
688 	 * Tiling mode for the object (I915_TILING_NONE, I915_TILING_X,
689 	 * I915_TILING_Y).
690 	 *
691 	 * This value is to be set on request, and will be updated by the
692 	 * kernel on successful return with the actual chosen tiling layout.
693 	 *
694 	 * The tiling mode may be demoted to I915_TILING_NONE when the system
695 	 * has bit 6 swizzling that can't be managed correctly by GEM.
696 	 *
697 	 * Buffer contents become undefined when changing tiling_mode.
698 	 */
699 	__u32 tiling_mode;
700 
701 	/**
702 	 * Stride in bytes for the object when in I915_TILING_X or
703 	 * I915_TILING_Y.
704 	 */
705 	__u32 stride;
706 
707 	/**
708 	 * Returned address bit 6 swizzling required for CPU access through
709 	 * mmap mapping.
710 	 */
711 	__u32 swizzle_mode;
712 };
713 
714 struct drm_i915_gem_get_tiling {
715 	/** Handle of the buffer to get tiling state for. */
716 	__u32 handle;
717 
718 	/**
719 	 * Current tiling mode for the object (I915_TILING_NONE, I915_TILING_X,
720 	 * I915_TILING_Y).
721 	 */
722 	__u32 tiling_mode;
723 
724 	/**
725 	 * Returned address bit 6 swizzling required for CPU access through
726 	 * mmap mapping.
727 	 */
728 	__u32 swizzle_mode;
729 };
730 
731 struct drm_i915_gem_get_aperture {
732 	/** Total size of the aperture used by i915_gem_execbuffer, in bytes */
733 	__u64 aper_size;
734 
735 	/**
736 	 * Available space in the aperture used by i915_gem_execbuffer, in
737 	 * bytes
738 	 */
739 	__u64 aper_available_size;
740 };
741 
742 struct drm_i915_get_pipe_from_crtc_id {
743 	/** ID of CRTC being requested **/
744 	__u32 crtc_id;
745 
746 	/** pipe of requested CRTC **/
747 	__u32 pipe;
748 };
749 
750 #define I915_MADV_WILLNEED 0
751 #define I915_MADV_DONTNEED 1
752 #define __I915_MADV_PURGED 2 /* internal state */
753 
754 struct drm_i915_gem_madvise {
755 	/** Handle of the buffer to change the backing store advice */
756 	__u32 handle;
757 
758 	/* Advice: either the buffer will be needed again in the near future,
759 	 *         or wont be and could be discarded under memory pressure.
760 	 */
761 	__u32 madv;
762 
763 	/** Whether the backing store still exists. */
764 	__u32 retained;
765 };
766 
767 /* flags */
768 #define I915_OVERLAY_TYPE_MASK 		0xff
769 #define I915_OVERLAY_YUV_PLANAR 	0x01
770 #define I915_OVERLAY_YUV_PACKED 	0x02
771 #define I915_OVERLAY_RGB		0x03
772 
773 #define I915_OVERLAY_DEPTH_MASK		0xff00
774 #define I915_OVERLAY_RGB24		0x1000
775 #define I915_OVERLAY_RGB16		0x2000
776 #define I915_OVERLAY_RGB15		0x3000
777 #define I915_OVERLAY_YUV422		0x0100
778 #define I915_OVERLAY_YUV411		0x0200
779 #define I915_OVERLAY_YUV420		0x0300
780 #define I915_OVERLAY_YUV410		0x0400
781 
782 #define I915_OVERLAY_SWAP_MASK		0xff0000
783 #define I915_OVERLAY_NO_SWAP		0x000000
784 #define I915_OVERLAY_UV_SWAP		0x010000
785 #define I915_OVERLAY_Y_SWAP		0x020000
786 #define I915_OVERLAY_Y_AND_UV_SWAP	0x030000
787 
788 #define I915_OVERLAY_FLAGS_MASK		0xff000000
789 #define I915_OVERLAY_ENABLE		0x01000000
790 
791 struct drm_intel_overlay_put_image {
792 	/* various flags and src format description */
793 	__u32 flags;
794 	/* source picture description */
795 	__u32 bo_handle;
796 	/* stride values and offsets are in bytes, buffer relative */
797 	__u16 stride_Y; /* stride for packed formats */
798 	__u16 stride_UV;
799 	__u32 offset_Y; /* offset for packet formats */
800 	__u32 offset_U;
801 	__u32 offset_V;
802 	/* in pixels */
803 	__u16 src_width;
804 	__u16 src_height;
805 	/* to compensate the scaling factors for partially covered surfaces */
806 	__u16 src_scan_width;
807 	__u16 src_scan_height;
808 	/* output crtc description */
809 	__u32 crtc_id;
810 	__u16 dst_x;
811 	__u16 dst_y;
812 	__u16 dst_width;
813 	__u16 dst_height;
814 };
815 
816 /* flags */
817 #define I915_OVERLAY_UPDATE_ATTRS	(1<<0)
818 #define I915_OVERLAY_UPDATE_GAMMA	(1<<1)
819 struct drm_intel_overlay_attrs {
820 	__u32 flags;
821 	__u32 color_key;
822 	__s32 brightness;
823 	__u32 contrast;
824 	__u32 saturation;
825 	__u32 gamma0;
826 	__u32 gamma1;
827 	__u32 gamma2;
828 	__u32 gamma3;
829 	__u32 gamma4;
830 	__u32 gamma5;
831 };
832 
833 #endif				/* _I915_DRM_H_ */
834