xref: /openbmc/linux/include/drm/i915_drm.h (revision 63dc02bd)
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 #define DRM_I915_GET_SPRITE_COLORKEY	0x2a
202 #define DRM_I915_SET_SPRITE_COLORKEY	0x2b
203 
204 #define DRM_IOCTL_I915_INIT		DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT, drm_i915_init_t)
205 #define DRM_IOCTL_I915_FLUSH		DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLUSH)
206 #define DRM_IOCTL_I915_FLIP		DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLIP)
207 #define DRM_IOCTL_I915_BATCHBUFFER	DRM_IOW( DRM_COMMAND_BASE + DRM_I915_BATCHBUFFER, drm_i915_batchbuffer_t)
208 #define DRM_IOCTL_I915_IRQ_EMIT         DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_IRQ_EMIT, drm_i915_irq_emit_t)
209 #define DRM_IOCTL_I915_IRQ_WAIT         DRM_IOW( DRM_COMMAND_BASE + DRM_I915_IRQ_WAIT, drm_i915_irq_wait_t)
210 #define DRM_IOCTL_I915_GETPARAM         DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GETPARAM, drm_i915_getparam_t)
211 #define DRM_IOCTL_I915_SETPARAM         DRM_IOW( DRM_COMMAND_BASE + DRM_I915_SETPARAM, drm_i915_setparam_t)
212 #define DRM_IOCTL_I915_ALLOC            DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_ALLOC, drm_i915_mem_alloc_t)
213 #define DRM_IOCTL_I915_FREE             DRM_IOW( DRM_COMMAND_BASE + DRM_I915_FREE, drm_i915_mem_free_t)
214 #define DRM_IOCTL_I915_INIT_HEAP        DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT_HEAP, drm_i915_mem_init_heap_t)
215 #define DRM_IOCTL_I915_CMDBUFFER	DRM_IOW( DRM_COMMAND_BASE + DRM_I915_CMDBUFFER, drm_i915_cmdbuffer_t)
216 #define DRM_IOCTL_I915_DESTROY_HEAP	DRM_IOW( DRM_COMMAND_BASE + DRM_I915_DESTROY_HEAP, drm_i915_mem_destroy_heap_t)
217 #define DRM_IOCTL_I915_SET_VBLANK_PIPE	DRM_IOW( DRM_COMMAND_BASE + DRM_I915_SET_VBLANK_PIPE, drm_i915_vblank_pipe_t)
218 #define DRM_IOCTL_I915_GET_VBLANK_PIPE	DRM_IOR( DRM_COMMAND_BASE + DRM_I915_GET_VBLANK_PIPE, drm_i915_vblank_pipe_t)
219 #define DRM_IOCTL_I915_VBLANK_SWAP	DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_VBLANK_SWAP, drm_i915_vblank_swap_t)
220 #define DRM_IOCTL_I915_HWS_ADDR		DRM_IOW(DRM_COMMAND_BASE + DRM_I915_HWS_ADDR, struct drm_i915_gem_init)
221 #define DRM_IOCTL_I915_GEM_INIT		DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_INIT, struct drm_i915_gem_init)
222 #define DRM_IOCTL_I915_GEM_EXECBUFFER	DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_EXECBUFFER, struct drm_i915_gem_execbuffer)
223 #define DRM_IOCTL_I915_GEM_EXECBUFFER2	DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_EXECBUFFER2, struct drm_i915_gem_execbuffer2)
224 #define DRM_IOCTL_I915_GEM_PIN		DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_PIN, struct drm_i915_gem_pin)
225 #define DRM_IOCTL_I915_GEM_UNPIN	DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_UNPIN, struct drm_i915_gem_unpin)
226 #define DRM_IOCTL_I915_GEM_BUSY		DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_BUSY, struct drm_i915_gem_busy)
227 #define DRM_IOCTL_I915_GEM_THROTTLE	DRM_IO ( DRM_COMMAND_BASE + DRM_I915_GEM_THROTTLE)
228 #define DRM_IOCTL_I915_GEM_ENTERVT	DRM_IO(DRM_COMMAND_BASE + DRM_I915_GEM_ENTERVT)
229 #define DRM_IOCTL_I915_GEM_LEAVEVT	DRM_IO(DRM_COMMAND_BASE + DRM_I915_GEM_LEAVEVT)
230 #define DRM_IOCTL_I915_GEM_CREATE	DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_CREATE, struct drm_i915_gem_create)
231 #define DRM_IOCTL_I915_GEM_PREAD	DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_PREAD, struct drm_i915_gem_pread)
232 #define DRM_IOCTL_I915_GEM_PWRITE	DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_PWRITE, struct drm_i915_gem_pwrite)
233 #define DRM_IOCTL_I915_GEM_MMAP		DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_MMAP, struct drm_i915_gem_mmap)
234 #define DRM_IOCTL_I915_GEM_MMAP_GTT	DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_MMAP_GTT, struct drm_i915_gem_mmap_gtt)
235 #define DRM_IOCTL_I915_GEM_SET_DOMAIN	DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_SET_DOMAIN, struct drm_i915_gem_set_domain)
236 #define DRM_IOCTL_I915_GEM_SW_FINISH	DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_SW_FINISH, struct drm_i915_gem_sw_finish)
237 #define DRM_IOCTL_I915_GEM_SET_TILING	DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GEM_SET_TILING, struct drm_i915_gem_set_tiling)
238 #define DRM_IOCTL_I915_GEM_GET_TILING	DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GEM_GET_TILING, struct drm_i915_gem_get_tiling)
239 #define DRM_IOCTL_I915_GEM_GET_APERTURE	DRM_IOR  (DRM_COMMAND_BASE + DRM_I915_GEM_GET_APERTURE, struct drm_i915_gem_get_aperture)
240 #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)
241 #define DRM_IOCTL_I915_GEM_MADVISE	DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_MADVISE, struct drm_i915_gem_madvise)
242 #define DRM_IOCTL_I915_OVERLAY_PUT_IMAGE	DRM_IOW(DRM_COMMAND_BASE + DRM_I915_OVERLAY_PUT_IMAGE, struct drm_intel_overlay_put_image)
243 #define DRM_IOCTL_I915_OVERLAY_ATTRS	DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_OVERLAY_ATTRS, struct drm_intel_overlay_attrs)
244 #define DRM_IOCTL_I915_SET_SPRITE_COLORKEY DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_SET_SPRITE_COLORKEY, struct drm_intel_sprite_colorkey)
245 #define DRM_IOCTL_I915_GET_SPRITE_COLORKEY DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_SET_SPRITE_COLORKEY, struct drm_intel_sprite_colorkey)
246 
247 /* Allow drivers to submit batchbuffers directly to hardware, relying
248  * on the security mechanisms provided by hardware.
249  */
250 typedef struct drm_i915_batchbuffer {
251 	int start;		/* agp offset */
252 	int used;		/* nr bytes in use */
253 	int DR1;		/* hw flags for GFX_OP_DRAWRECT_INFO */
254 	int DR4;		/* window origin for GFX_OP_DRAWRECT_INFO */
255 	int num_cliprects;	/* mulitpass with multiple cliprects? */
256 	struct drm_clip_rect __user *cliprects;	/* pointer to userspace cliprects */
257 } drm_i915_batchbuffer_t;
258 
259 /* As above, but pass a pointer to userspace buffer which can be
260  * validated by the kernel prior to sending to hardware.
261  */
262 typedef struct _drm_i915_cmdbuffer {
263 	char __user *buf;	/* pointer to userspace command buffer */
264 	int sz;			/* nr bytes in buf */
265 	int DR1;		/* hw flags for GFX_OP_DRAWRECT_INFO */
266 	int DR4;		/* window origin for GFX_OP_DRAWRECT_INFO */
267 	int num_cliprects;	/* mulitpass with multiple cliprects? */
268 	struct drm_clip_rect __user *cliprects;	/* pointer to userspace cliprects */
269 } drm_i915_cmdbuffer_t;
270 
271 /* Userspace can request & wait on irq's:
272  */
273 typedef struct drm_i915_irq_emit {
274 	int __user *irq_seq;
275 } drm_i915_irq_emit_t;
276 
277 typedef struct drm_i915_irq_wait {
278 	int irq_seq;
279 } drm_i915_irq_wait_t;
280 
281 /* Ioctl to query kernel params:
282  */
283 #define I915_PARAM_IRQ_ACTIVE            1
284 #define I915_PARAM_ALLOW_BATCHBUFFER     2
285 #define I915_PARAM_LAST_DISPATCH         3
286 #define I915_PARAM_CHIPSET_ID            4
287 #define I915_PARAM_HAS_GEM               5
288 #define I915_PARAM_NUM_FENCES_AVAIL      6
289 #define I915_PARAM_HAS_OVERLAY           7
290 #define I915_PARAM_HAS_PAGEFLIPPING	 8
291 #define I915_PARAM_HAS_EXECBUF2          9
292 #define I915_PARAM_HAS_BSD		 10
293 #define I915_PARAM_HAS_BLT		 11
294 #define I915_PARAM_HAS_RELAXED_FENCING	 12
295 #define I915_PARAM_HAS_COHERENT_RINGS	 13
296 #define I915_PARAM_HAS_EXEC_CONSTANTS	 14
297 #define I915_PARAM_HAS_RELAXED_DELTA	 15
298 #define I915_PARAM_HAS_GEN7_SOL_RESET	 16
299 #define I915_PARAM_HAS_LLC     	 17
300 
301 typedef struct drm_i915_getparam {
302 	int param;
303 	int __user *value;
304 } drm_i915_getparam_t;
305 
306 /* Ioctl to set kernel params:
307  */
308 #define I915_SETPARAM_USE_MI_BATCHBUFFER_START            1
309 #define I915_SETPARAM_TEX_LRU_LOG_GRANULARITY             2
310 #define I915_SETPARAM_ALLOW_BATCHBUFFER                   3
311 #define I915_SETPARAM_NUM_USED_FENCES                     4
312 
313 typedef struct drm_i915_setparam {
314 	int param;
315 	int value;
316 } drm_i915_setparam_t;
317 
318 /* A memory manager for regions of shared memory:
319  */
320 #define I915_MEM_REGION_AGP 1
321 
322 typedef struct drm_i915_mem_alloc {
323 	int region;
324 	int alignment;
325 	int size;
326 	int __user *region_offset;	/* offset from start of fb or agp */
327 } drm_i915_mem_alloc_t;
328 
329 typedef struct drm_i915_mem_free {
330 	int region;
331 	int region_offset;
332 } drm_i915_mem_free_t;
333 
334 typedef struct drm_i915_mem_init_heap {
335 	int region;
336 	int size;
337 	int start;
338 } drm_i915_mem_init_heap_t;
339 
340 /* Allow memory manager to be torn down and re-initialized (eg on
341  * rotate):
342  */
343 typedef struct drm_i915_mem_destroy_heap {
344 	int region;
345 } drm_i915_mem_destroy_heap_t;
346 
347 /* Allow X server to configure which pipes to monitor for vblank signals
348  */
349 #define	DRM_I915_VBLANK_PIPE_A	1
350 #define	DRM_I915_VBLANK_PIPE_B	2
351 
352 typedef struct drm_i915_vblank_pipe {
353 	int pipe;
354 } drm_i915_vblank_pipe_t;
355 
356 /* Schedule buffer swap at given vertical blank:
357  */
358 typedef struct drm_i915_vblank_swap {
359 	drm_drawable_t drawable;
360 	enum drm_vblank_seq_type seqtype;
361 	unsigned int sequence;
362 } drm_i915_vblank_swap_t;
363 
364 typedef struct drm_i915_hws_addr {
365 	__u64 addr;
366 } drm_i915_hws_addr_t;
367 
368 struct drm_i915_gem_init {
369 	/**
370 	 * Beginning offset in the GTT to be managed by the DRM memory
371 	 * manager.
372 	 */
373 	__u64 gtt_start;
374 	/**
375 	 * Ending offset in the GTT to be managed by the DRM memory
376 	 * manager.
377 	 */
378 	__u64 gtt_end;
379 };
380 
381 struct drm_i915_gem_create {
382 	/**
383 	 * Requested size for the object.
384 	 *
385 	 * The (page-aligned) allocated size for the object will be returned.
386 	 */
387 	__u64 size;
388 	/**
389 	 * Returned handle for the object.
390 	 *
391 	 * Object handles are nonzero.
392 	 */
393 	__u32 handle;
394 	__u32 pad;
395 };
396 
397 struct drm_i915_gem_pread {
398 	/** Handle for the object being read. */
399 	__u32 handle;
400 	__u32 pad;
401 	/** Offset into the object to read from */
402 	__u64 offset;
403 	/** Length of data to read */
404 	__u64 size;
405 	/**
406 	 * Pointer to write the data into.
407 	 *
408 	 * This is a fixed-size type for 32/64 compatibility.
409 	 */
410 	__u64 data_ptr;
411 };
412 
413 struct drm_i915_gem_pwrite {
414 	/** Handle for the object being written to. */
415 	__u32 handle;
416 	__u32 pad;
417 	/** Offset into the object to write to */
418 	__u64 offset;
419 	/** Length of data to write */
420 	__u64 size;
421 	/**
422 	 * Pointer to read the data from.
423 	 *
424 	 * This is a fixed-size type for 32/64 compatibility.
425 	 */
426 	__u64 data_ptr;
427 };
428 
429 struct drm_i915_gem_mmap {
430 	/** Handle for the object being mapped. */
431 	__u32 handle;
432 	__u32 pad;
433 	/** Offset in the object to map. */
434 	__u64 offset;
435 	/**
436 	 * Length of data to map.
437 	 *
438 	 * The value will be page-aligned.
439 	 */
440 	__u64 size;
441 	/**
442 	 * Returned pointer the data was mapped at.
443 	 *
444 	 * This is a fixed-size type for 32/64 compatibility.
445 	 */
446 	__u64 addr_ptr;
447 };
448 
449 struct drm_i915_gem_mmap_gtt {
450 	/** Handle for the object being mapped. */
451 	__u32 handle;
452 	__u32 pad;
453 	/**
454 	 * Fake offset to use for subsequent mmap call
455 	 *
456 	 * This is a fixed-size type for 32/64 compatibility.
457 	 */
458 	__u64 offset;
459 };
460 
461 struct drm_i915_gem_set_domain {
462 	/** Handle for the object */
463 	__u32 handle;
464 
465 	/** New read domains */
466 	__u32 read_domains;
467 
468 	/** New write domain */
469 	__u32 write_domain;
470 };
471 
472 struct drm_i915_gem_sw_finish {
473 	/** Handle for the object */
474 	__u32 handle;
475 };
476 
477 struct drm_i915_gem_relocation_entry {
478 	/**
479 	 * Handle of the buffer being pointed to by this relocation entry.
480 	 *
481 	 * It's appealing to make this be an index into the mm_validate_entry
482 	 * list to refer to the buffer, but this allows the driver to create
483 	 * a relocation list for state buffers and not re-write it per
484 	 * exec using the buffer.
485 	 */
486 	__u32 target_handle;
487 
488 	/**
489 	 * Value to be added to the offset of the target buffer to make up
490 	 * the relocation entry.
491 	 */
492 	__u32 delta;
493 
494 	/** Offset in the buffer the relocation entry will be written into */
495 	__u64 offset;
496 
497 	/**
498 	 * Offset value of the target buffer that the relocation entry was last
499 	 * written as.
500 	 *
501 	 * If the buffer has the same offset as last time, we can skip syncing
502 	 * and writing the relocation.  This value is written back out by
503 	 * the execbuffer ioctl when the relocation is written.
504 	 */
505 	__u64 presumed_offset;
506 
507 	/**
508 	 * Target memory domains read by this operation.
509 	 */
510 	__u32 read_domains;
511 
512 	/**
513 	 * Target memory domains written by this operation.
514 	 *
515 	 * Note that only one domain may be written by the whole
516 	 * execbuffer operation, so that where there are conflicts,
517 	 * the application will get -EINVAL back.
518 	 */
519 	__u32 write_domain;
520 };
521 
522 /** @{
523  * Intel memory domains
524  *
525  * Most of these just align with the various caches in
526  * the system and are used to flush and invalidate as
527  * objects end up cached in different domains.
528  */
529 /** CPU cache */
530 #define I915_GEM_DOMAIN_CPU		0x00000001
531 /** Render cache, used by 2D and 3D drawing */
532 #define I915_GEM_DOMAIN_RENDER		0x00000002
533 /** Sampler cache, used by texture engine */
534 #define I915_GEM_DOMAIN_SAMPLER		0x00000004
535 /** Command queue, used to load batch buffers */
536 #define I915_GEM_DOMAIN_COMMAND		0x00000008
537 /** Instruction cache, used by shader programs */
538 #define I915_GEM_DOMAIN_INSTRUCTION	0x00000010
539 /** Vertex address cache */
540 #define I915_GEM_DOMAIN_VERTEX		0x00000020
541 /** GTT domain - aperture and scanout */
542 #define I915_GEM_DOMAIN_GTT		0x00000040
543 /** @} */
544 
545 struct drm_i915_gem_exec_object {
546 	/**
547 	 * User's handle for a buffer to be bound into the GTT for this
548 	 * operation.
549 	 */
550 	__u32 handle;
551 
552 	/** Number of relocations to be performed on this buffer */
553 	__u32 relocation_count;
554 	/**
555 	 * Pointer to array of struct drm_i915_gem_relocation_entry containing
556 	 * the relocations to be performed in this buffer.
557 	 */
558 	__u64 relocs_ptr;
559 
560 	/** Required alignment in graphics aperture */
561 	__u64 alignment;
562 
563 	/**
564 	 * Returned value of the updated offset of the object, for future
565 	 * presumed_offset writes.
566 	 */
567 	__u64 offset;
568 };
569 
570 struct drm_i915_gem_execbuffer {
571 	/**
572 	 * List of buffers to be validated with their relocations to be
573 	 * performend on them.
574 	 *
575 	 * This is a pointer to an array of struct drm_i915_gem_validate_entry.
576 	 *
577 	 * These buffers must be listed in an order such that all relocations
578 	 * a buffer is performing refer to buffers that have already appeared
579 	 * in the validate list.
580 	 */
581 	__u64 buffers_ptr;
582 	__u32 buffer_count;
583 
584 	/** Offset in the batchbuffer to start execution from. */
585 	__u32 batch_start_offset;
586 	/** Bytes used in batchbuffer from batch_start_offset */
587 	__u32 batch_len;
588 	__u32 DR1;
589 	__u32 DR4;
590 	__u32 num_cliprects;
591 	/** This is a struct drm_clip_rect *cliprects */
592 	__u64 cliprects_ptr;
593 };
594 
595 struct drm_i915_gem_exec_object2 {
596 	/**
597 	 * User's handle for a buffer to be bound into the GTT for this
598 	 * operation.
599 	 */
600 	__u32 handle;
601 
602 	/** Number of relocations to be performed on this buffer */
603 	__u32 relocation_count;
604 	/**
605 	 * Pointer to array of struct drm_i915_gem_relocation_entry containing
606 	 * the relocations to be performed in this buffer.
607 	 */
608 	__u64 relocs_ptr;
609 
610 	/** Required alignment in graphics aperture */
611 	__u64 alignment;
612 
613 	/**
614 	 * Returned value of the updated offset of the object, for future
615 	 * presumed_offset writes.
616 	 */
617 	__u64 offset;
618 
619 #define EXEC_OBJECT_NEEDS_FENCE (1<<0)
620 	__u64 flags;
621 	__u64 rsvd1;
622 	__u64 rsvd2;
623 };
624 
625 struct drm_i915_gem_execbuffer2 {
626 	/**
627 	 * List of gem_exec_object2 structs
628 	 */
629 	__u64 buffers_ptr;
630 	__u32 buffer_count;
631 
632 	/** Offset in the batchbuffer to start execution from. */
633 	__u32 batch_start_offset;
634 	/** Bytes used in batchbuffer from batch_start_offset */
635 	__u32 batch_len;
636 	__u32 DR1;
637 	__u32 DR4;
638 	__u32 num_cliprects;
639 	/** This is a struct drm_clip_rect *cliprects */
640 	__u64 cliprects_ptr;
641 #define I915_EXEC_RING_MASK              (7<<0)
642 #define I915_EXEC_DEFAULT                (0<<0)
643 #define I915_EXEC_RENDER                 (1<<0)
644 #define I915_EXEC_BSD                    (2<<0)
645 #define I915_EXEC_BLT                    (3<<0)
646 
647 /* Used for switching the constants addressing mode on gen4+ RENDER ring.
648  * Gen6+ only supports relative addressing to dynamic state (default) and
649  * absolute addressing.
650  *
651  * These flags are ignored for the BSD and BLT rings.
652  */
653 #define I915_EXEC_CONSTANTS_MASK 	(3<<6)
654 #define I915_EXEC_CONSTANTS_REL_GENERAL (0<<6) /* default */
655 #define I915_EXEC_CONSTANTS_ABSOLUTE 	(1<<6)
656 #define I915_EXEC_CONSTANTS_REL_SURFACE (2<<6) /* gen4/5 only */
657 	__u64 flags;
658 	__u64 rsvd1;
659 	__u64 rsvd2;
660 };
661 
662 /** Resets the SO write offset registers for transform feedback on gen7. */
663 #define I915_EXEC_GEN7_SOL_RESET	(1<<8)
664 
665 struct drm_i915_gem_pin {
666 	/** Handle of the buffer to be pinned. */
667 	__u32 handle;
668 	__u32 pad;
669 
670 	/** alignment required within the aperture */
671 	__u64 alignment;
672 
673 	/** Returned GTT offset of the buffer. */
674 	__u64 offset;
675 };
676 
677 struct drm_i915_gem_unpin {
678 	/** Handle of the buffer to be unpinned. */
679 	__u32 handle;
680 	__u32 pad;
681 };
682 
683 struct drm_i915_gem_busy {
684 	/** Handle of the buffer to check for busy */
685 	__u32 handle;
686 
687 	/** Return busy status (1 if busy, 0 if idle) */
688 	__u32 busy;
689 };
690 
691 #define I915_TILING_NONE	0
692 #define I915_TILING_X		1
693 #define I915_TILING_Y		2
694 
695 #define I915_BIT_6_SWIZZLE_NONE		0
696 #define I915_BIT_6_SWIZZLE_9		1
697 #define I915_BIT_6_SWIZZLE_9_10		2
698 #define I915_BIT_6_SWIZZLE_9_11		3
699 #define I915_BIT_6_SWIZZLE_9_10_11	4
700 /* Not seen by userland */
701 #define I915_BIT_6_SWIZZLE_UNKNOWN	5
702 /* Seen by userland. */
703 #define I915_BIT_6_SWIZZLE_9_17		6
704 #define I915_BIT_6_SWIZZLE_9_10_17	7
705 
706 struct drm_i915_gem_set_tiling {
707 	/** Handle of the buffer to have its tiling state updated */
708 	__u32 handle;
709 
710 	/**
711 	 * Tiling mode for the object (I915_TILING_NONE, I915_TILING_X,
712 	 * I915_TILING_Y).
713 	 *
714 	 * This value is to be set on request, and will be updated by the
715 	 * kernel on successful return with the actual chosen tiling layout.
716 	 *
717 	 * The tiling mode may be demoted to I915_TILING_NONE when the system
718 	 * has bit 6 swizzling that can't be managed correctly by GEM.
719 	 *
720 	 * Buffer contents become undefined when changing tiling_mode.
721 	 */
722 	__u32 tiling_mode;
723 
724 	/**
725 	 * Stride in bytes for the object when in I915_TILING_X or
726 	 * I915_TILING_Y.
727 	 */
728 	__u32 stride;
729 
730 	/**
731 	 * Returned address bit 6 swizzling required for CPU access through
732 	 * mmap mapping.
733 	 */
734 	__u32 swizzle_mode;
735 };
736 
737 struct drm_i915_gem_get_tiling {
738 	/** Handle of the buffer to get tiling state for. */
739 	__u32 handle;
740 
741 	/**
742 	 * Current tiling mode for the object (I915_TILING_NONE, I915_TILING_X,
743 	 * I915_TILING_Y).
744 	 */
745 	__u32 tiling_mode;
746 
747 	/**
748 	 * Returned address bit 6 swizzling required for CPU access through
749 	 * mmap mapping.
750 	 */
751 	__u32 swizzle_mode;
752 };
753 
754 struct drm_i915_gem_get_aperture {
755 	/** Total size of the aperture used by i915_gem_execbuffer, in bytes */
756 	__u64 aper_size;
757 
758 	/**
759 	 * Available space in the aperture used by i915_gem_execbuffer, in
760 	 * bytes
761 	 */
762 	__u64 aper_available_size;
763 };
764 
765 struct drm_i915_get_pipe_from_crtc_id {
766 	/** ID of CRTC being requested **/
767 	__u32 crtc_id;
768 
769 	/** pipe of requested CRTC **/
770 	__u32 pipe;
771 };
772 
773 #define I915_MADV_WILLNEED 0
774 #define I915_MADV_DONTNEED 1
775 #define __I915_MADV_PURGED 2 /* internal state */
776 
777 struct drm_i915_gem_madvise {
778 	/** Handle of the buffer to change the backing store advice */
779 	__u32 handle;
780 
781 	/* Advice: either the buffer will be needed again in the near future,
782 	 *         or wont be and could be discarded under memory pressure.
783 	 */
784 	__u32 madv;
785 
786 	/** Whether the backing store still exists. */
787 	__u32 retained;
788 };
789 
790 /* flags */
791 #define I915_OVERLAY_TYPE_MASK 		0xff
792 #define I915_OVERLAY_YUV_PLANAR 	0x01
793 #define I915_OVERLAY_YUV_PACKED 	0x02
794 #define I915_OVERLAY_RGB		0x03
795 
796 #define I915_OVERLAY_DEPTH_MASK		0xff00
797 #define I915_OVERLAY_RGB24		0x1000
798 #define I915_OVERLAY_RGB16		0x2000
799 #define I915_OVERLAY_RGB15		0x3000
800 #define I915_OVERLAY_YUV422		0x0100
801 #define I915_OVERLAY_YUV411		0x0200
802 #define I915_OVERLAY_YUV420		0x0300
803 #define I915_OVERLAY_YUV410		0x0400
804 
805 #define I915_OVERLAY_SWAP_MASK		0xff0000
806 #define I915_OVERLAY_NO_SWAP		0x000000
807 #define I915_OVERLAY_UV_SWAP		0x010000
808 #define I915_OVERLAY_Y_SWAP		0x020000
809 #define I915_OVERLAY_Y_AND_UV_SWAP	0x030000
810 
811 #define I915_OVERLAY_FLAGS_MASK		0xff000000
812 #define I915_OVERLAY_ENABLE		0x01000000
813 
814 struct drm_intel_overlay_put_image {
815 	/* various flags and src format description */
816 	__u32 flags;
817 	/* source picture description */
818 	__u32 bo_handle;
819 	/* stride values and offsets are in bytes, buffer relative */
820 	__u16 stride_Y; /* stride for packed formats */
821 	__u16 stride_UV;
822 	__u32 offset_Y; /* offset for packet formats */
823 	__u32 offset_U;
824 	__u32 offset_V;
825 	/* in pixels */
826 	__u16 src_width;
827 	__u16 src_height;
828 	/* to compensate the scaling factors for partially covered surfaces */
829 	__u16 src_scan_width;
830 	__u16 src_scan_height;
831 	/* output crtc description */
832 	__u32 crtc_id;
833 	__u16 dst_x;
834 	__u16 dst_y;
835 	__u16 dst_width;
836 	__u16 dst_height;
837 };
838 
839 /* flags */
840 #define I915_OVERLAY_UPDATE_ATTRS	(1<<0)
841 #define I915_OVERLAY_UPDATE_GAMMA	(1<<1)
842 struct drm_intel_overlay_attrs {
843 	__u32 flags;
844 	__u32 color_key;
845 	__s32 brightness;
846 	__u32 contrast;
847 	__u32 saturation;
848 	__u32 gamma0;
849 	__u32 gamma1;
850 	__u32 gamma2;
851 	__u32 gamma3;
852 	__u32 gamma4;
853 	__u32 gamma5;
854 };
855 
856 /*
857  * Intel sprite handling
858  *
859  * Color keying works with a min/mask/max tuple.  Both source and destination
860  * color keying is allowed.
861  *
862  * Source keying:
863  * Sprite pixels within the min & max values, masked against the color channels
864  * specified in the mask field, will be transparent.  All other pixels will
865  * be displayed on top of the primary plane.  For RGB surfaces, only the min
866  * and mask fields will be used; ranged compares are not allowed.
867  *
868  * Destination keying:
869  * Primary plane pixels that match the min value, masked against the color
870  * channels specified in the mask field, will be replaced by corresponding
871  * pixels from the sprite plane.
872  *
873  * Note that source & destination keying are exclusive; only one can be
874  * active on a given plane.
875  */
876 
877 #define I915_SET_COLORKEY_NONE		(1<<0) /* disable color key matching */
878 #define I915_SET_COLORKEY_DESTINATION	(1<<1)
879 #define I915_SET_COLORKEY_SOURCE	(1<<2)
880 struct drm_intel_sprite_colorkey {
881 	__u32 plane_id;
882 	__u32 min_value;
883 	__u32 channel_mask;
884 	__u32 max_value;
885 	__u32 flags;
886 };
887 
888 #endif				/* _I915_DRM_H_ */
889