xref: /openbmc/linux/include/drm/i915_drm.h (revision 2fedbff9)
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 #define DRM_I915_GEM_WAIT	0x2c
204 #define DRM_I915_GEM_CONTEXT_CREATE	0x2d
205 #define DRM_I915_GEM_CONTEXT_DESTROY	0x2e
206 #define DRM_I915_GEM_SET_CACHEING	0x2f
207 #define DRM_I915_GEM_GET_CACHEING	0x30
208 #define DRM_I915_REG_READ		0x31
209 
210 #define DRM_IOCTL_I915_INIT		DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT, drm_i915_init_t)
211 #define DRM_IOCTL_I915_FLUSH		DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLUSH)
212 #define DRM_IOCTL_I915_FLIP		DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLIP)
213 #define DRM_IOCTL_I915_BATCHBUFFER	DRM_IOW( DRM_COMMAND_BASE + DRM_I915_BATCHBUFFER, drm_i915_batchbuffer_t)
214 #define DRM_IOCTL_I915_IRQ_EMIT         DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_IRQ_EMIT, drm_i915_irq_emit_t)
215 #define DRM_IOCTL_I915_IRQ_WAIT         DRM_IOW( DRM_COMMAND_BASE + DRM_I915_IRQ_WAIT, drm_i915_irq_wait_t)
216 #define DRM_IOCTL_I915_GETPARAM         DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GETPARAM, drm_i915_getparam_t)
217 #define DRM_IOCTL_I915_SETPARAM         DRM_IOW( DRM_COMMAND_BASE + DRM_I915_SETPARAM, drm_i915_setparam_t)
218 #define DRM_IOCTL_I915_ALLOC            DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_ALLOC, drm_i915_mem_alloc_t)
219 #define DRM_IOCTL_I915_FREE             DRM_IOW( DRM_COMMAND_BASE + DRM_I915_FREE, drm_i915_mem_free_t)
220 #define DRM_IOCTL_I915_INIT_HEAP        DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT_HEAP, drm_i915_mem_init_heap_t)
221 #define DRM_IOCTL_I915_CMDBUFFER	DRM_IOW( DRM_COMMAND_BASE + DRM_I915_CMDBUFFER, drm_i915_cmdbuffer_t)
222 #define DRM_IOCTL_I915_DESTROY_HEAP	DRM_IOW( DRM_COMMAND_BASE + DRM_I915_DESTROY_HEAP, drm_i915_mem_destroy_heap_t)
223 #define DRM_IOCTL_I915_SET_VBLANK_PIPE	DRM_IOW( DRM_COMMAND_BASE + DRM_I915_SET_VBLANK_PIPE, drm_i915_vblank_pipe_t)
224 #define DRM_IOCTL_I915_GET_VBLANK_PIPE	DRM_IOR( DRM_COMMAND_BASE + DRM_I915_GET_VBLANK_PIPE, drm_i915_vblank_pipe_t)
225 #define DRM_IOCTL_I915_VBLANK_SWAP	DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_VBLANK_SWAP, drm_i915_vblank_swap_t)
226 #define DRM_IOCTL_I915_HWS_ADDR		DRM_IOW(DRM_COMMAND_BASE + DRM_I915_HWS_ADDR, struct drm_i915_gem_init)
227 #define DRM_IOCTL_I915_GEM_INIT		DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_INIT, struct drm_i915_gem_init)
228 #define DRM_IOCTL_I915_GEM_EXECBUFFER	DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_EXECBUFFER, struct drm_i915_gem_execbuffer)
229 #define DRM_IOCTL_I915_GEM_EXECBUFFER2	DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_EXECBUFFER2, struct drm_i915_gem_execbuffer2)
230 #define DRM_IOCTL_I915_GEM_PIN		DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_PIN, struct drm_i915_gem_pin)
231 #define DRM_IOCTL_I915_GEM_UNPIN	DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_UNPIN, struct drm_i915_gem_unpin)
232 #define DRM_IOCTL_I915_GEM_BUSY		DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_BUSY, struct drm_i915_gem_busy)
233 #define DRM_IOCTL_I915_GEM_SET_CACHEING		DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_SET_CACHEING, struct drm_i915_gem_cacheing)
234 #define DRM_IOCTL_I915_GEM_GET_CACHEING		DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_GET_CACHEING, struct drm_i915_gem_cacheing)
235 #define DRM_IOCTL_I915_GEM_THROTTLE	DRM_IO ( DRM_COMMAND_BASE + DRM_I915_GEM_THROTTLE)
236 #define DRM_IOCTL_I915_GEM_ENTERVT	DRM_IO(DRM_COMMAND_BASE + DRM_I915_GEM_ENTERVT)
237 #define DRM_IOCTL_I915_GEM_LEAVEVT	DRM_IO(DRM_COMMAND_BASE + DRM_I915_GEM_LEAVEVT)
238 #define DRM_IOCTL_I915_GEM_CREATE	DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_CREATE, struct drm_i915_gem_create)
239 #define DRM_IOCTL_I915_GEM_PREAD	DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_PREAD, struct drm_i915_gem_pread)
240 #define DRM_IOCTL_I915_GEM_PWRITE	DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_PWRITE, struct drm_i915_gem_pwrite)
241 #define DRM_IOCTL_I915_GEM_MMAP		DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_MMAP, struct drm_i915_gem_mmap)
242 #define DRM_IOCTL_I915_GEM_MMAP_GTT	DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_MMAP_GTT, struct drm_i915_gem_mmap_gtt)
243 #define DRM_IOCTL_I915_GEM_SET_DOMAIN	DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_SET_DOMAIN, struct drm_i915_gem_set_domain)
244 #define DRM_IOCTL_I915_GEM_SW_FINISH	DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_SW_FINISH, struct drm_i915_gem_sw_finish)
245 #define DRM_IOCTL_I915_GEM_SET_TILING	DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GEM_SET_TILING, struct drm_i915_gem_set_tiling)
246 #define DRM_IOCTL_I915_GEM_GET_TILING	DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GEM_GET_TILING, struct drm_i915_gem_get_tiling)
247 #define DRM_IOCTL_I915_GEM_GET_APERTURE	DRM_IOR  (DRM_COMMAND_BASE + DRM_I915_GEM_GET_APERTURE, struct drm_i915_gem_get_aperture)
248 #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)
249 #define DRM_IOCTL_I915_GEM_MADVISE	DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_MADVISE, struct drm_i915_gem_madvise)
250 #define DRM_IOCTL_I915_OVERLAY_PUT_IMAGE	DRM_IOW(DRM_COMMAND_BASE + DRM_I915_OVERLAY_PUT_IMAGE, struct drm_intel_overlay_put_image)
251 #define DRM_IOCTL_I915_OVERLAY_ATTRS	DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_OVERLAY_ATTRS, struct drm_intel_overlay_attrs)
252 #define DRM_IOCTL_I915_SET_SPRITE_COLORKEY DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_SET_SPRITE_COLORKEY, struct drm_intel_sprite_colorkey)
253 #define DRM_IOCTL_I915_GET_SPRITE_COLORKEY DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_SET_SPRITE_COLORKEY, struct drm_intel_sprite_colorkey)
254 #define DRM_IOCTL_I915_GEM_WAIT		DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_WAIT, struct drm_i915_gem_wait)
255 #define DRM_IOCTL_I915_GEM_CONTEXT_CREATE	DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GEM_CONTEXT_CREATE, struct drm_i915_gem_context_create)
256 #define DRM_IOCTL_I915_GEM_CONTEXT_DESTROY	DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_CONTEXT_DESTROY, struct drm_i915_gem_context_destroy)
257 #define DRM_IOCTL_I915_REG_READ			DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_REG_READ, struct drm_i915_reg_read)
258 
259 /* Allow drivers to submit batchbuffers directly to hardware, relying
260  * on the security mechanisms provided by hardware.
261  */
262 typedef struct drm_i915_batchbuffer {
263 	int start;		/* agp offset */
264 	int used;		/* nr bytes in use */
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_batchbuffer_t;
270 
271 /* As above, but pass a pointer to userspace buffer which can be
272  * validated by the kernel prior to sending to hardware.
273  */
274 typedef struct _drm_i915_cmdbuffer {
275 	char __user *buf;	/* pointer to userspace command buffer */
276 	int sz;			/* nr bytes in buf */
277 	int DR1;		/* hw flags for GFX_OP_DRAWRECT_INFO */
278 	int DR4;		/* window origin for GFX_OP_DRAWRECT_INFO */
279 	int num_cliprects;	/* mulitpass with multiple cliprects? */
280 	struct drm_clip_rect __user *cliprects;	/* pointer to userspace cliprects */
281 } drm_i915_cmdbuffer_t;
282 
283 /* Userspace can request & wait on irq's:
284  */
285 typedef struct drm_i915_irq_emit {
286 	int __user *irq_seq;
287 } drm_i915_irq_emit_t;
288 
289 typedef struct drm_i915_irq_wait {
290 	int irq_seq;
291 } drm_i915_irq_wait_t;
292 
293 /* Ioctl to query kernel params:
294  */
295 #define I915_PARAM_IRQ_ACTIVE            1
296 #define I915_PARAM_ALLOW_BATCHBUFFER     2
297 #define I915_PARAM_LAST_DISPATCH         3
298 #define I915_PARAM_CHIPSET_ID            4
299 #define I915_PARAM_HAS_GEM               5
300 #define I915_PARAM_NUM_FENCES_AVAIL      6
301 #define I915_PARAM_HAS_OVERLAY           7
302 #define I915_PARAM_HAS_PAGEFLIPPING	 8
303 #define I915_PARAM_HAS_EXECBUF2          9
304 #define I915_PARAM_HAS_BSD		 10
305 #define I915_PARAM_HAS_BLT		 11
306 #define I915_PARAM_HAS_RELAXED_FENCING	 12
307 #define I915_PARAM_HAS_COHERENT_RINGS	 13
308 #define I915_PARAM_HAS_EXEC_CONSTANTS	 14
309 #define I915_PARAM_HAS_RELAXED_DELTA	 15
310 #define I915_PARAM_HAS_GEN7_SOL_RESET	 16
311 #define I915_PARAM_HAS_LLC     	 	 17
312 #define I915_PARAM_HAS_ALIASING_PPGTT	 18
313 #define I915_PARAM_HAS_WAIT_TIMEOUT	 19
314 #define I915_PARAM_HAS_SEMAPHORES	 20
315 
316 typedef struct drm_i915_getparam {
317 	int param;
318 	int __user *value;
319 } drm_i915_getparam_t;
320 
321 /* Ioctl to set kernel params:
322  */
323 #define I915_SETPARAM_USE_MI_BATCHBUFFER_START            1
324 #define I915_SETPARAM_TEX_LRU_LOG_GRANULARITY             2
325 #define I915_SETPARAM_ALLOW_BATCHBUFFER                   3
326 #define I915_SETPARAM_NUM_USED_FENCES                     4
327 
328 typedef struct drm_i915_setparam {
329 	int param;
330 	int value;
331 } drm_i915_setparam_t;
332 
333 /* A memory manager for regions of shared memory:
334  */
335 #define I915_MEM_REGION_AGP 1
336 
337 typedef struct drm_i915_mem_alloc {
338 	int region;
339 	int alignment;
340 	int size;
341 	int __user *region_offset;	/* offset from start of fb or agp */
342 } drm_i915_mem_alloc_t;
343 
344 typedef struct drm_i915_mem_free {
345 	int region;
346 	int region_offset;
347 } drm_i915_mem_free_t;
348 
349 typedef struct drm_i915_mem_init_heap {
350 	int region;
351 	int size;
352 	int start;
353 } drm_i915_mem_init_heap_t;
354 
355 /* Allow memory manager to be torn down and re-initialized (eg on
356  * rotate):
357  */
358 typedef struct drm_i915_mem_destroy_heap {
359 	int region;
360 } drm_i915_mem_destroy_heap_t;
361 
362 /* Allow X server to configure which pipes to monitor for vblank signals
363  */
364 #define	DRM_I915_VBLANK_PIPE_A	1
365 #define	DRM_I915_VBLANK_PIPE_B	2
366 
367 typedef struct drm_i915_vblank_pipe {
368 	int pipe;
369 } drm_i915_vblank_pipe_t;
370 
371 /* Schedule buffer swap at given vertical blank:
372  */
373 typedef struct drm_i915_vblank_swap {
374 	drm_drawable_t drawable;
375 	enum drm_vblank_seq_type seqtype;
376 	unsigned int sequence;
377 } drm_i915_vblank_swap_t;
378 
379 typedef struct drm_i915_hws_addr {
380 	__u64 addr;
381 } drm_i915_hws_addr_t;
382 
383 struct drm_i915_gem_init {
384 	/**
385 	 * Beginning offset in the GTT to be managed by the DRM memory
386 	 * manager.
387 	 */
388 	__u64 gtt_start;
389 	/**
390 	 * Ending offset in the GTT to be managed by the DRM memory
391 	 * manager.
392 	 */
393 	__u64 gtt_end;
394 };
395 
396 struct drm_i915_gem_create {
397 	/**
398 	 * Requested size for the object.
399 	 *
400 	 * The (page-aligned) allocated size for the object will be returned.
401 	 */
402 	__u64 size;
403 	/**
404 	 * Returned handle for the object.
405 	 *
406 	 * Object handles are nonzero.
407 	 */
408 	__u32 handle;
409 	__u32 pad;
410 };
411 
412 struct drm_i915_gem_pread {
413 	/** Handle for the object being read. */
414 	__u32 handle;
415 	__u32 pad;
416 	/** Offset into the object to read from */
417 	__u64 offset;
418 	/** Length of data to read */
419 	__u64 size;
420 	/**
421 	 * Pointer to write the data into.
422 	 *
423 	 * This is a fixed-size type for 32/64 compatibility.
424 	 */
425 	__u64 data_ptr;
426 };
427 
428 struct drm_i915_gem_pwrite {
429 	/** Handle for the object being written to. */
430 	__u32 handle;
431 	__u32 pad;
432 	/** Offset into the object to write to */
433 	__u64 offset;
434 	/** Length of data to write */
435 	__u64 size;
436 	/**
437 	 * Pointer to read the data from.
438 	 *
439 	 * This is a fixed-size type for 32/64 compatibility.
440 	 */
441 	__u64 data_ptr;
442 };
443 
444 struct drm_i915_gem_mmap {
445 	/** Handle for the object being mapped. */
446 	__u32 handle;
447 	__u32 pad;
448 	/** Offset in the object to map. */
449 	__u64 offset;
450 	/**
451 	 * Length of data to map.
452 	 *
453 	 * The value will be page-aligned.
454 	 */
455 	__u64 size;
456 	/**
457 	 * Returned pointer the data was mapped at.
458 	 *
459 	 * This is a fixed-size type for 32/64 compatibility.
460 	 */
461 	__u64 addr_ptr;
462 };
463 
464 struct drm_i915_gem_mmap_gtt {
465 	/** Handle for the object being mapped. */
466 	__u32 handle;
467 	__u32 pad;
468 	/**
469 	 * Fake offset to use for subsequent mmap call
470 	 *
471 	 * This is a fixed-size type for 32/64 compatibility.
472 	 */
473 	__u64 offset;
474 };
475 
476 struct drm_i915_gem_set_domain {
477 	/** Handle for the object */
478 	__u32 handle;
479 
480 	/** New read domains */
481 	__u32 read_domains;
482 
483 	/** New write domain */
484 	__u32 write_domain;
485 };
486 
487 struct drm_i915_gem_sw_finish {
488 	/** Handle for the object */
489 	__u32 handle;
490 };
491 
492 struct drm_i915_gem_relocation_entry {
493 	/**
494 	 * Handle of the buffer being pointed to by this relocation entry.
495 	 *
496 	 * It's appealing to make this be an index into the mm_validate_entry
497 	 * list to refer to the buffer, but this allows the driver to create
498 	 * a relocation list for state buffers and not re-write it per
499 	 * exec using the buffer.
500 	 */
501 	__u32 target_handle;
502 
503 	/**
504 	 * Value to be added to the offset of the target buffer to make up
505 	 * the relocation entry.
506 	 */
507 	__u32 delta;
508 
509 	/** Offset in the buffer the relocation entry will be written into */
510 	__u64 offset;
511 
512 	/**
513 	 * Offset value of the target buffer that the relocation entry was last
514 	 * written as.
515 	 *
516 	 * If the buffer has the same offset as last time, we can skip syncing
517 	 * and writing the relocation.  This value is written back out by
518 	 * the execbuffer ioctl when the relocation is written.
519 	 */
520 	__u64 presumed_offset;
521 
522 	/**
523 	 * Target memory domains read by this operation.
524 	 */
525 	__u32 read_domains;
526 
527 	/**
528 	 * Target memory domains written by this operation.
529 	 *
530 	 * Note that only one domain may be written by the whole
531 	 * execbuffer operation, so that where there are conflicts,
532 	 * the application will get -EINVAL back.
533 	 */
534 	__u32 write_domain;
535 };
536 
537 /** @{
538  * Intel memory domains
539  *
540  * Most of these just align with the various caches in
541  * the system and are used to flush and invalidate as
542  * objects end up cached in different domains.
543  */
544 /** CPU cache */
545 #define I915_GEM_DOMAIN_CPU		0x00000001
546 /** Render cache, used by 2D and 3D drawing */
547 #define I915_GEM_DOMAIN_RENDER		0x00000002
548 /** Sampler cache, used by texture engine */
549 #define I915_GEM_DOMAIN_SAMPLER		0x00000004
550 /** Command queue, used to load batch buffers */
551 #define I915_GEM_DOMAIN_COMMAND		0x00000008
552 /** Instruction cache, used by shader programs */
553 #define I915_GEM_DOMAIN_INSTRUCTION	0x00000010
554 /** Vertex address cache */
555 #define I915_GEM_DOMAIN_VERTEX		0x00000020
556 /** GTT domain - aperture and scanout */
557 #define I915_GEM_DOMAIN_GTT		0x00000040
558 /** @} */
559 
560 struct drm_i915_gem_exec_object {
561 	/**
562 	 * User's handle for a buffer to be bound into the GTT for this
563 	 * operation.
564 	 */
565 	__u32 handle;
566 
567 	/** Number of relocations to be performed on this buffer */
568 	__u32 relocation_count;
569 	/**
570 	 * Pointer to array of struct drm_i915_gem_relocation_entry containing
571 	 * the relocations to be performed in this buffer.
572 	 */
573 	__u64 relocs_ptr;
574 
575 	/** Required alignment in graphics aperture */
576 	__u64 alignment;
577 
578 	/**
579 	 * Returned value of the updated offset of the object, for future
580 	 * presumed_offset writes.
581 	 */
582 	__u64 offset;
583 };
584 
585 struct drm_i915_gem_execbuffer {
586 	/**
587 	 * List of buffers to be validated with their relocations to be
588 	 * performend on them.
589 	 *
590 	 * This is a pointer to an array of struct drm_i915_gem_validate_entry.
591 	 *
592 	 * These buffers must be listed in an order such that all relocations
593 	 * a buffer is performing refer to buffers that have already appeared
594 	 * in the validate list.
595 	 */
596 	__u64 buffers_ptr;
597 	__u32 buffer_count;
598 
599 	/** Offset in the batchbuffer to start execution from. */
600 	__u32 batch_start_offset;
601 	/** Bytes used in batchbuffer from batch_start_offset */
602 	__u32 batch_len;
603 	__u32 DR1;
604 	__u32 DR4;
605 	__u32 num_cliprects;
606 	/** This is a struct drm_clip_rect *cliprects */
607 	__u64 cliprects_ptr;
608 };
609 
610 struct drm_i915_gem_exec_object2 {
611 	/**
612 	 * User's handle for a buffer to be bound into the GTT for this
613 	 * operation.
614 	 */
615 	__u32 handle;
616 
617 	/** Number of relocations to be performed on this buffer */
618 	__u32 relocation_count;
619 	/**
620 	 * Pointer to array of struct drm_i915_gem_relocation_entry containing
621 	 * the relocations to be performed in this buffer.
622 	 */
623 	__u64 relocs_ptr;
624 
625 	/** Required alignment in graphics aperture */
626 	__u64 alignment;
627 
628 	/**
629 	 * Returned value of the updated offset of the object, for future
630 	 * presumed_offset writes.
631 	 */
632 	__u64 offset;
633 
634 #define EXEC_OBJECT_NEEDS_FENCE (1<<0)
635 	__u64 flags;
636 	__u64 rsvd1;
637 	__u64 rsvd2;
638 };
639 
640 struct drm_i915_gem_execbuffer2 {
641 	/**
642 	 * List of gem_exec_object2 structs
643 	 */
644 	__u64 buffers_ptr;
645 	__u32 buffer_count;
646 
647 	/** Offset in the batchbuffer to start execution from. */
648 	__u32 batch_start_offset;
649 	/** Bytes used in batchbuffer from batch_start_offset */
650 	__u32 batch_len;
651 	__u32 DR1;
652 	__u32 DR4;
653 	__u32 num_cliprects;
654 	/** This is a struct drm_clip_rect *cliprects */
655 	__u64 cliprects_ptr;
656 #define I915_EXEC_RING_MASK              (7<<0)
657 #define I915_EXEC_DEFAULT                (0<<0)
658 #define I915_EXEC_RENDER                 (1<<0)
659 #define I915_EXEC_BSD                    (2<<0)
660 #define I915_EXEC_BLT                    (3<<0)
661 
662 /* Used for switching the constants addressing mode on gen4+ RENDER ring.
663  * Gen6+ only supports relative addressing to dynamic state (default) and
664  * absolute addressing.
665  *
666  * These flags are ignored for the BSD and BLT rings.
667  */
668 #define I915_EXEC_CONSTANTS_MASK 	(3<<6)
669 #define I915_EXEC_CONSTANTS_REL_GENERAL (0<<6) /* default */
670 #define I915_EXEC_CONSTANTS_ABSOLUTE 	(1<<6)
671 #define I915_EXEC_CONSTANTS_REL_SURFACE (2<<6) /* gen4/5 only */
672 	__u64 flags;
673 	__u64 rsvd1; /* now used for context info */
674 	__u64 rsvd2;
675 };
676 
677 /** Resets the SO write offset registers for transform feedback on gen7. */
678 #define I915_EXEC_GEN7_SOL_RESET	(1<<8)
679 
680 #define I915_EXEC_CONTEXT_ID_MASK	(0xffffffff)
681 #define i915_execbuffer2_set_context_id(eb2, context) \
682 	(eb2).rsvd1 = context & I915_EXEC_CONTEXT_ID_MASK
683 #define i915_execbuffer2_get_context_id(eb2) \
684 	((eb2).rsvd1 & I915_EXEC_CONTEXT_ID_MASK)
685 
686 struct drm_i915_gem_pin {
687 	/** Handle of the buffer to be pinned. */
688 	__u32 handle;
689 	__u32 pad;
690 
691 	/** alignment required within the aperture */
692 	__u64 alignment;
693 
694 	/** Returned GTT offset of the buffer. */
695 	__u64 offset;
696 };
697 
698 struct drm_i915_gem_unpin {
699 	/** Handle of the buffer to be unpinned. */
700 	__u32 handle;
701 	__u32 pad;
702 };
703 
704 struct drm_i915_gem_busy {
705 	/** Handle of the buffer to check for busy */
706 	__u32 handle;
707 
708 	/** Return busy status (1 if busy, 0 if idle).
709 	 * The high word is used to indicate on which rings the object
710 	 * currently resides:
711 	 *  16:31 - busy (r or r/w) rings (16 render, 17 bsd, 18 blt, etc)
712 	 */
713 	__u32 busy;
714 };
715 
716 #define I915_CACHEING_NONE		0
717 #define I915_CACHEING_CACHED		1
718 
719 struct drm_i915_gem_cacheing {
720 	/**
721 	 * Handle of the buffer to set/get the cacheing level of. */
722 	__u32 handle;
723 
724 	/**
725 	 * Cacheing level to apply or return value
726 	 *
727 	 * bits0-15 are for generic cacheing control (i.e. the above defined
728 	 * values). bits16-31 are reserved for platform-specific variations
729 	 * (e.g. l3$ caching on gen7). */
730 	__u32 cacheing;
731 };
732 
733 #define I915_TILING_NONE	0
734 #define I915_TILING_X		1
735 #define I915_TILING_Y		2
736 
737 #define I915_BIT_6_SWIZZLE_NONE		0
738 #define I915_BIT_6_SWIZZLE_9		1
739 #define I915_BIT_6_SWIZZLE_9_10		2
740 #define I915_BIT_6_SWIZZLE_9_11		3
741 #define I915_BIT_6_SWIZZLE_9_10_11	4
742 /* Not seen by userland */
743 #define I915_BIT_6_SWIZZLE_UNKNOWN	5
744 /* Seen by userland. */
745 #define I915_BIT_6_SWIZZLE_9_17		6
746 #define I915_BIT_6_SWIZZLE_9_10_17	7
747 
748 struct drm_i915_gem_set_tiling {
749 	/** Handle of the buffer to have its tiling state updated */
750 	__u32 handle;
751 
752 	/**
753 	 * Tiling mode for the object (I915_TILING_NONE, I915_TILING_X,
754 	 * I915_TILING_Y).
755 	 *
756 	 * This value is to be set on request, and will be updated by the
757 	 * kernel on successful return with the actual chosen tiling layout.
758 	 *
759 	 * The tiling mode may be demoted to I915_TILING_NONE when the system
760 	 * has bit 6 swizzling that can't be managed correctly by GEM.
761 	 *
762 	 * Buffer contents become undefined when changing tiling_mode.
763 	 */
764 	__u32 tiling_mode;
765 
766 	/**
767 	 * Stride in bytes for the object when in I915_TILING_X or
768 	 * I915_TILING_Y.
769 	 */
770 	__u32 stride;
771 
772 	/**
773 	 * Returned address bit 6 swizzling required for CPU access through
774 	 * mmap mapping.
775 	 */
776 	__u32 swizzle_mode;
777 };
778 
779 struct drm_i915_gem_get_tiling {
780 	/** Handle of the buffer to get tiling state for. */
781 	__u32 handle;
782 
783 	/**
784 	 * Current tiling mode for the object (I915_TILING_NONE, I915_TILING_X,
785 	 * I915_TILING_Y).
786 	 */
787 	__u32 tiling_mode;
788 
789 	/**
790 	 * Returned address bit 6 swizzling required for CPU access through
791 	 * mmap mapping.
792 	 */
793 	__u32 swizzle_mode;
794 };
795 
796 struct drm_i915_gem_get_aperture {
797 	/** Total size of the aperture used by i915_gem_execbuffer, in bytes */
798 	__u64 aper_size;
799 
800 	/**
801 	 * Available space in the aperture used by i915_gem_execbuffer, in
802 	 * bytes
803 	 */
804 	__u64 aper_available_size;
805 };
806 
807 struct drm_i915_get_pipe_from_crtc_id {
808 	/** ID of CRTC being requested **/
809 	__u32 crtc_id;
810 
811 	/** pipe of requested CRTC **/
812 	__u32 pipe;
813 };
814 
815 #define I915_MADV_WILLNEED 0
816 #define I915_MADV_DONTNEED 1
817 #define __I915_MADV_PURGED 2 /* internal state */
818 
819 struct drm_i915_gem_madvise {
820 	/** Handle of the buffer to change the backing store advice */
821 	__u32 handle;
822 
823 	/* Advice: either the buffer will be needed again in the near future,
824 	 *         or wont be and could be discarded under memory pressure.
825 	 */
826 	__u32 madv;
827 
828 	/** Whether the backing store still exists. */
829 	__u32 retained;
830 };
831 
832 /* flags */
833 #define I915_OVERLAY_TYPE_MASK 		0xff
834 #define I915_OVERLAY_YUV_PLANAR 	0x01
835 #define I915_OVERLAY_YUV_PACKED 	0x02
836 #define I915_OVERLAY_RGB		0x03
837 
838 #define I915_OVERLAY_DEPTH_MASK		0xff00
839 #define I915_OVERLAY_RGB24		0x1000
840 #define I915_OVERLAY_RGB16		0x2000
841 #define I915_OVERLAY_RGB15		0x3000
842 #define I915_OVERLAY_YUV422		0x0100
843 #define I915_OVERLAY_YUV411		0x0200
844 #define I915_OVERLAY_YUV420		0x0300
845 #define I915_OVERLAY_YUV410		0x0400
846 
847 #define I915_OVERLAY_SWAP_MASK		0xff0000
848 #define I915_OVERLAY_NO_SWAP		0x000000
849 #define I915_OVERLAY_UV_SWAP		0x010000
850 #define I915_OVERLAY_Y_SWAP		0x020000
851 #define I915_OVERLAY_Y_AND_UV_SWAP	0x030000
852 
853 #define I915_OVERLAY_FLAGS_MASK		0xff000000
854 #define I915_OVERLAY_ENABLE		0x01000000
855 
856 struct drm_intel_overlay_put_image {
857 	/* various flags and src format description */
858 	__u32 flags;
859 	/* source picture description */
860 	__u32 bo_handle;
861 	/* stride values and offsets are in bytes, buffer relative */
862 	__u16 stride_Y; /* stride for packed formats */
863 	__u16 stride_UV;
864 	__u32 offset_Y; /* offset for packet formats */
865 	__u32 offset_U;
866 	__u32 offset_V;
867 	/* in pixels */
868 	__u16 src_width;
869 	__u16 src_height;
870 	/* to compensate the scaling factors for partially covered surfaces */
871 	__u16 src_scan_width;
872 	__u16 src_scan_height;
873 	/* output crtc description */
874 	__u32 crtc_id;
875 	__u16 dst_x;
876 	__u16 dst_y;
877 	__u16 dst_width;
878 	__u16 dst_height;
879 };
880 
881 /* flags */
882 #define I915_OVERLAY_UPDATE_ATTRS	(1<<0)
883 #define I915_OVERLAY_UPDATE_GAMMA	(1<<1)
884 struct drm_intel_overlay_attrs {
885 	__u32 flags;
886 	__u32 color_key;
887 	__s32 brightness;
888 	__u32 contrast;
889 	__u32 saturation;
890 	__u32 gamma0;
891 	__u32 gamma1;
892 	__u32 gamma2;
893 	__u32 gamma3;
894 	__u32 gamma4;
895 	__u32 gamma5;
896 };
897 
898 /*
899  * Intel sprite handling
900  *
901  * Color keying works with a min/mask/max tuple.  Both source and destination
902  * color keying is allowed.
903  *
904  * Source keying:
905  * Sprite pixels within the min & max values, masked against the color channels
906  * specified in the mask field, will be transparent.  All other pixels will
907  * be displayed on top of the primary plane.  For RGB surfaces, only the min
908  * and mask fields will be used; ranged compares are not allowed.
909  *
910  * Destination keying:
911  * Primary plane pixels that match the min value, masked against the color
912  * channels specified in the mask field, will be replaced by corresponding
913  * pixels from the sprite plane.
914  *
915  * Note that source & destination keying are exclusive; only one can be
916  * active on a given plane.
917  */
918 
919 #define I915_SET_COLORKEY_NONE		(1<<0) /* disable color key matching */
920 #define I915_SET_COLORKEY_DESTINATION	(1<<1)
921 #define I915_SET_COLORKEY_SOURCE	(1<<2)
922 struct drm_intel_sprite_colorkey {
923 	__u32 plane_id;
924 	__u32 min_value;
925 	__u32 channel_mask;
926 	__u32 max_value;
927 	__u32 flags;
928 };
929 
930 struct drm_i915_gem_wait {
931 	/** Handle of BO we shall wait on */
932 	__u32 bo_handle;
933 	__u32 flags;
934 	/** Number of nanoseconds to wait, Returns time remaining. */
935 	__s64 timeout_ns;
936 };
937 
938 struct drm_i915_gem_context_create {
939 	/*  output: id of new context*/
940 	__u32 ctx_id;
941 	__u32 pad;
942 };
943 
944 struct drm_i915_gem_context_destroy {
945 	__u32 ctx_id;
946 	__u32 pad;
947 };
948 
949 struct drm_i915_reg_read {
950 	__u64 offset;
951 	__u64 val; /* Return value */
952 };
953 #endif				/* _I915_DRM_H_ */
954