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/drm.h> 31 32 /* Please note that modifications to all structs defined here are 33 * subject to backwards-compatibility constraints. 34 */ 35 36 37 /* Each region is a minimum of 16k, and there are at most 255 of them. 38 */ 39 #define I915_NR_TEX_REGIONS 255 /* table size 2k - maximum due to use 40 * of chars for next/prev indices */ 41 #define I915_LOG_MIN_TEX_REGION_SIZE 14 42 43 typedef struct _drm_i915_init { 44 enum { 45 I915_INIT_DMA = 0x01, 46 I915_CLEANUP_DMA = 0x02, 47 I915_RESUME_DMA = 0x03 48 } func; 49 unsigned int mmio_offset; 50 int sarea_priv_offset; 51 unsigned int ring_start; 52 unsigned int ring_end; 53 unsigned int ring_size; 54 unsigned int front_offset; 55 unsigned int back_offset; 56 unsigned int depth_offset; 57 unsigned int w; 58 unsigned int h; 59 unsigned int pitch; 60 unsigned int pitch_bits; 61 unsigned int back_pitch; 62 unsigned int depth_pitch; 63 unsigned int cpp; 64 unsigned int chipset; 65 } drm_i915_init_t; 66 67 typedef struct _drm_i915_sarea { 68 struct drm_tex_region texList[I915_NR_TEX_REGIONS + 1]; 69 int last_upload; /* last time texture was uploaded */ 70 int last_enqueue; /* last time a buffer was enqueued */ 71 int last_dispatch; /* age of the most recently dispatched buffer */ 72 int ctxOwner; /* last context to upload state */ 73 int texAge; 74 int pf_enabled; /* is pageflipping allowed? */ 75 int pf_active; 76 int pf_current_page; /* which buffer is being displayed? */ 77 int perf_boxes; /* performance boxes to be displayed */ 78 int width, height; /* screen size in pixels */ 79 80 drm_handle_t front_handle; 81 int front_offset; 82 int front_size; 83 84 drm_handle_t back_handle; 85 int back_offset; 86 int back_size; 87 88 drm_handle_t depth_handle; 89 int depth_offset; 90 int depth_size; 91 92 drm_handle_t tex_handle; 93 int tex_offset; 94 int tex_size; 95 int log_tex_granularity; 96 int pitch; 97 int rotation; /* 0, 90, 180 or 270 */ 98 int rotated_offset; 99 int rotated_size; 100 int rotated_pitch; 101 int virtualX, virtualY; 102 103 unsigned int front_tiled; 104 unsigned int back_tiled; 105 unsigned int depth_tiled; 106 unsigned int rotated_tiled; 107 unsigned int rotated2_tiled; 108 109 int pipeA_x; 110 int pipeA_y; 111 int pipeA_w; 112 int pipeA_h; 113 int pipeB_x; 114 int pipeB_y; 115 int pipeB_w; 116 int pipeB_h; 117 118 /* fill out some space for old userspace triple buffer */ 119 drm_handle_t unused_handle; 120 __u32 unused1, unused2, unused3; 121 122 /* buffer object handles for static buffers. May change 123 * over the lifetime of the client. 124 */ 125 __u32 front_bo_handle; 126 __u32 back_bo_handle; 127 __u32 unused_bo_handle; 128 __u32 depth_bo_handle; 129 130 } drm_i915_sarea_t; 131 132 /* due to userspace building against these headers we need some compat here */ 133 #define planeA_x pipeA_x 134 #define planeA_y pipeA_y 135 #define planeA_w pipeA_w 136 #define planeA_h pipeA_h 137 #define planeB_x pipeB_x 138 #define planeB_y pipeB_y 139 #define planeB_w pipeB_w 140 #define planeB_h pipeB_h 141 142 /* Flags for perf_boxes 143 */ 144 #define I915_BOX_RING_EMPTY 0x1 145 #define I915_BOX_FLIP 0x2 146 #define I915_BOX_WAIT 0x4 147 #define I915_BOX_TEXTURE_LOAD 0x8 148 #define I915_BOX_LOST_CONTEXT 0x10 149 150 /* I915 specific ioctls 151 * The device specific ioctl range is 0x40 to 0x79. 152 */ 153 #define DRM_I915_INIT 0x00 154 #define DRM_I915_FLUSH 0x01 155 #define DRM_I915_FLIP 0x02 156 #define DRM_I915_BATCHBUFFER 0x03 157 #define DRM_I915_IRQ_EMIT 0x04 158 #define DRM_I915_IRQ_WAIT 0x05 159 #define DRM_I915_GETPARAM 0x06 160 #define DRM_I915_SETPARAM 0x07 161 #define DRM_I915_ALLOC 0x08 162 #define DRM_I915_FREE 0x09 163 #define DRM_I915_INIT_HEAP 0x0a 164 #define DRM_I915_CMDBUFFER 0x0b 165 #define DRM_I915_DESTROY_HEAP 0x0c 166 #define DRM_I915_SET_VBLANK_PIPE 0x0d 167 #define DRM_I915_GET_VBLANK_PIPE 0x0e 168 #define DRM_I915_VBLANK_SWAP 0x0f 169 #define DRM_I915_HWS_ADDR 0x11 170 #define DRM_I915_GEM_INIT 0x13 171 #define DRM_I915_GEM_EXECBUFFER 0x14 172 #define DRM_I915_GEM_PIN 0x15 173 #define DRM_I915_GEM_UNPIN 0x16 174 #define DRM_I915_GEM_BUSY 0x17 175 #define DRM_I915_GEM_THROTTLE 0x18 176 #define DRM_I915_GEM_ENTERVT 0x19 177 #define DRM_I915_GEM_LEAVEVT 0x1a 178 #define DRM_I915_GEM_CREATE 0x1b 179 #define DRM_I915_GEM_PREAD 0x1c 180 #define DRM_I915_GEM_PWRITE 0x1d 181 #define DRM_I915_GEM_MMAP 0x1e 182 #define DRM_I915_GEM_SET_DOMAIN 0x1f 183 #define DRM_I915_GEM_SW_FINISH 0x20 184 #define DRM_I915_GEM_SET_TILING 0x21 185 #define DRM_I915_GEM_GET_TILING 0x22 186 #define DRM_I915_GEM_GET_APERTURE 0x23 187 #define DRM_I915_GEM_MMAP_GTT 0x24 188 #define DRM_I915_GET_PIPE_FROM_CRTC_ID 0x25 189 #define DRM_I915_GEM_MADVISE 0x26 190 #define DRM_I915_OVERLAY_PUT_IMAGE 0x27 191 #define DRM_I915_OVERLAY_ATTRS 0x28 192 #define DRM_I915_GEM_EXECBUFFER2 0x29 193 194 #define DRM_IOCTL_I915_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT, drm_i915_init_t) 195 #define DRM_IOCTL_I915_FLUSH DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLUSH) 196 #define DRM_IOCTL_I915_FLIP DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLIP) 197 #define DRM_IOCTL_I915_BATCHBUFFER DRM_IOW( DRM_COMMAND_BASE + DRM_I915_BATCHBUFFER, drm_i915_batchbuffer_t) 198 #define DRM_IOCTL_I915_IRQ_EMIT DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_IRQ_EMIT, drm_i915_irq_emit_t) 199 #define DRM_IOCTL_I915_IRQ_WAIT DRM_IOW( DRM_COMMAND_BASE + DRM_I915_IRQ_WAIT, drm_i915_irq_wait_t) 200 #define DRM_IOCTL_I915_GETPARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GETPARAM, drm_i915_getparam_t) 201 #define DRM_IOCTL_I915_SETPARAM DRM_IOW( DRM_COMMAND_BASE + DRM_I915_SETPARAM, drm_i915_setparam_t) 202 #define DRM_IOCTL_I915_ALLOC DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_ALLOC, drm_i915_mem_alloc_t) 203 #define DRM_IOCTL_I915_FREE DRM_IOW( DRM_COMMAND_BASE + DRM_I915_FREE, drm_i915_mem_free_t) 204 #define DRM_IOCTL_I915_INIT_HEAP DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT_HEAP, drm_i915_mem_init_heap_t) 205 #define DRM_IOCTL_I915_CMDBUFFER DRM_IOW( DRM_COMMAND_BASE + DRM_I915_CMDBUFFER, drm_i915_cmdbuffer_t) 206 #define DRM_IOCTL_I915_DESTROY_HEAP DRM_IOW( DRM_COMMAND_BASE + DRM_I915_DESTROY_HEAP, drm_i915_mem_destroy_heap_t) 207 #define DRM_IOCTL_I915_SET_VBLANK_PIPE DRM_IOW( DRM_COMMAND_BASE + DRM_I915_SET_VBLANK_PIPE, drm_i915_vblank_pipe_t) 208 #define DRM_IOCTL_I915_GET_VBLANK_PIPE DRM_IOR( DRM_COMMAND_BASE + DRM_I915_GET_VBLANK_PIPE, drm_i915_vblank_pipe_t) 209 #define DRM_IOCTL_I915_VBLANK_SWAP DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_VBLANK_SWAP, drm_i915_vblank_swap_t) 210 #define DRM_IOCTL_I915_HWS_ADDR DRM_IOW(DRM_COMMAND_BASE + DRM_I915_HWS_ADDR, struct drm_i915_gem_init) 211 #define DRM_IOCTL_I915_GEM_INIT DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_INIT, struct drm_i915_gem_init) 212 #define DRM_IOCTL_I915_GEM_EXECBUFFER DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_EXECBUFFER, struct drm_i915_gem_execbuffer) 213 #define DRM_IOCTL_I915_GEM_EXECBUFFER2 DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_EXECBUFFER2, struct drm_i915_gem_execbuffer2) 214 #define DRM_IOCTL_I915_GEM_PIN DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_PIN, struct drm_i915_gem_pin) 215 #define DRM_IOCTL_I915_GEM_UNPIN DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_UNPIN, struct drm_i915_gem_unpin) 216 #define DRM_IOCTL_I915_GEM_BUSY DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_BUSY, struct drm_i915_gem_busy) 217 #define DRM_IOCTL_I915_GEM_THROTTLE DRM_IO ( DRM_COMMAND_BASE + DRM_I915_GEM_THROTTLE) 218 #define DRM_IOCTL_I915_GEM_ENTERVT DRM_IO(DRM_COMMAND_BASE + DRM_I915_GEM_ENTERVT) 219 #define DRM_IOCTL_I915_GEM_LEAVEVT DRM_IO(DRM_COMMAND_BASE + DRM_I915_GEM_LEAVEVT) 220 #define DRM_IOCTL_I915_GEM_CREATE DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_CREATE, struct drm_i915_gem_create) 221 #define DRM_IOCTL_I915_GEM_PREAD DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_PREAD, struct drm_i915_gem_pread) 222 #define DRM_IOCTL_I915_GEM_PWRITE DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_PWRITE, struct drm_i915_gem_pwrite) 223 #define DRM_IOCTL_I915_GEM_MMAP DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_MMAP, struct drm_i915_gem_mmap) 224 #define DRM_IOCTL_I915_GEM_MMAP_GTT DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_MMAP_GTT, struct drm_i915_gem_mmap_gtt) 225 #define DRM_IOCTL_I915_GEM_SET_DOMAIN DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_SET_DOMAIN, struct drm_i915_gem_set_domain) 226 #define DRM_IOCTL_I915_GEM_SW_FINISH DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_SW_FINISH, struct drm_i915_gem_sw_finish) 227 #define DRM_IOCTL_I915_GEM_SET_TILING DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GEM_SET_TILING, struct drm_i915_gem_set_tiling) 228 #define DRM_IOCTL_I915_GEM_GET_TILING DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GEM_GET_TILING, struct drm_i915_gem_get_tiling) 229 #define DRM_IOCTL_I915_GEM_GET_APERTURE DRM_IOR (DRM_COMMAND_BASE + DRM_I915_GEM_GET_APERTURE, struct drm_i915_gem_get_aperture) 230 #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) 231 #define DRM_IOCTL_I915_GEM_MADVISE DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_MADVISE, struct drm_i915_gem_madvise) 232 #define DRM_IOCTL_I915_OVERLAY_PUT_IMAGE DRM_IOW(DRM_COMMAND_BASE + DRM_I915_OVERLAY_PUT_IMAGE, struct drm_intel_overlay_put_image) 233 #define DRM_IOCTL_I915_OVERLAY_ATTRS DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_OVERLAY_ATTRS, struct drm_intel_overlay_attrs) 234 235 /* Allow drivers to submit batchbuffers directly to hardware, relying 236 * on the security mechanisms provided by hardware. 237 */ 238 typedef struct drm_i915_batchbuffer { 239 int start; /* agp offset */ 240 int used; /* nr bytes in use */ 241 int DR1; /* hw flags for GFX_OP_DRAWRECT_INFO */ 242 int DR4; /* window origin for GFX_OP_DRAWRECT_INFO */ 243 int num_cliprects; /* mulitpass with multiple cliprects? */ 244 struct drm_clip_rect *cliprects; /* pointer to userspace cliprects */ 245 } drm_i915_batchbuffer_t; 246 247 /* As above, but pass a pointer to userspace buffer which can be 248 * validated by the kernel prior to sending to hardware. 249 */ 250 typedef struct _drm_i915_cmdbuffer { 251 char *buf; /* pointer to userspace command buffer */ 252 int sz; /* nr bytes in buf */ 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 *cliprects; /* pointer to userspace cliprects */ 257 } drm_i915_cmdbuffer_t; 258 259 /* Userspace can request & wait on irq's: 260 */ 261 typedef struct drm_i915_irq_emit { 262 int *irq_seq; 263 } drm_i915_irq_emit_t; 264 265 typedef struct drm_i915_irq_wait { 266 int irq_seq; 267 } drm_i915_irq_wait_t; 268 269 /* Ioctl to query kernel params: 270 */ 271 #define I915_PARAM_IRQ_ACTIVE 1 272 #define I915_PARAM_ALLOW_BATCHBUFFER 2 273 #define I915_PARAM_LAST_DISPATCH 3 274 #define I915_PARAM_CHIPSET_ID 4 275 #define I915_PARAM_HAS_GEM 5 276 #define I915_PARAM_NUM_FENCES_AVAIL 6 277 #define I915_PARAM_HAS_OVERLAY 7 278 #define I915_PARAM_HAS_PAGEFLIPPING 8 279 #define I915_PARAM_HAS_EXECBUF2 9 280 #define I915_PARAM_HAS_BSD 10 281 #define I915_PARAM_HAS_BLT 11 282 #define I915_PARAM_HAS_RELAXED_FENCING 12 283 #define I915_PARAM_HAS_COHERENT_RINGS 13 284 #define I915_PARAM_HAS_EXEC_CONSTANTS 14 285 #define I915_PARAM_HAS_RELAXED_DELTA 15 286 287 typedef struct drm_i915_getparam { 288 int param; 289 int *value; 290 } drm_i915_getparam_t; 291 292 /* Ioctl to set kernel params: 293 */ 294 #define I915_SETPARAM_USE_MI_BATCHBUFFER_START 1 295 #define I915_SETPARAM_TEX_LRU_LOG_GRANULARITY 2 296 #define I915_SETPARAM_ALLOW_BATCHBUFFER 3 297 #define I915_SETPARAM_NUM_USED_FENCES 4 298 299 typedef struct drm_i915_setparam { 300 int param; 301 int value; 302 } drm_i915_setparam_t; 303 304 /* A memory manager for regions of shared memory: 305 */ 306 #define I915_MEM_REGION_AGP 1 307 308 typedef struct drm_i915_mem_alloc { 309 int region; 310 int alignment; 311 int size; 312 int *region_offset; /* offset from start of fb or agp */ 313 } drm_i915_mem_alloc_t; 314 315 typedef struct drm_i915_mem_free { 316 int region; 317 int region_offset; 318 } drm_i915_mem_free_t; 319 320 typedef struct drm_i915_mem_init_heap { 321 int region; 322 int size; 323 int start; 324 } drm_i915_mem_init_heap_t; 325 326 /* Allow memory manager to be torn down and re-initialized (eg on 327 * rotate): 328 */ 329 typedef struct drm_i915_mem_destroy_heap { 330 int region; 331 } drm_i915_mem_destroy_heap_t; 332 333 /* Allow X server to configure which pipes to monitor for vblank signals 334 */ 335 #define DRM_I915_VBLANK_PIPE_A 1 336 #define DRM_I915_VBLANK_PIPE_B 2 337 338 typedef struct drm_i915_vblank_pipe { 339 int pipe; 340 } drm_i915_vblank_pipe_t; 341 342 /* Schedule buffer swap at given vertical blank: 343 */ 344 typedef struct drm_i915_vblank_swap { 345 drm_drawable_t drawable; 346 enum drm_vblank_seq_type seqtype; 347 unsigned int sequence; 348 } drm_i915_vblank_swap_t; 349 350 typedef struct drm_i915_hws_addr { 351 __u64 addr; 352 } drm_i915_hws_addr_t; 353 354 struct drm_i915_gem_init { 355 /** 356 * Beginning offset in the GTT to be managed by the DRM memory 357 * manager. 358 */ 359 __u64 gtt_start; 360 /** 361 * Ending offset in the GTT to be managed by the DRM memory 362 * manager. 363 */ 364 __u64 gtt_end; 365 }; 366 367 struct drm_i915_gem_create { 368 /** 369 * Requested size for the object. 370 * 371 * The (page-aligned) allocated size for the object will be returned. 372 */ 373 __u64 size; 374 /** 375 * Returned handle for the object. 376 * 377 * Object handles are nonzero. 378 */ 379 __u32 handle; 380 __u32 pad; 381 }; 382 383 struct drm_i915_gem_pread { 384 /** Handle for the object being read. */ 385 __u32 handle; 386 __u32 pad; 387 /** Offset into the object to read from */ 388 __u64 offset; 389 /** Length of data to read */ 390 __u64 size; 391 /** 392 * Pointer to write the data into. 393 * 394 * This is a fixed-size type for 32/64 compatibility. 395 */ 396 __u64 data_ptr; 397 }; 398 399 struct drm_i915_gem_pwrite { 400 /** Handle for the object being written to. */ 401 __u32 handle; 402 __u32 pad; 403 /** Offset into the object to write to */ 404 __u64 offset; 405 /** Length of data to write */ 406 __u64 size; 407 /** 408 * Pointer to read the data from. 409 * 410 * This is a fixed-size type for 32/64 compatibility. 411 */ 412 __u64 data_ptr; 413 }; 414 415 struct drm_i915_gem_mmap { 416 /** Handle for the object being mapped. */ 417 __u32 handle; 418 __u32 pad; 419 /** Offset in the object to map. */ 420 __u64 offset; 421 /** 422 * Length of data to map. 423 * 424 * The value will be page-aligned. 425 */ 426 __u64 size; 427 /** 428 * Returned pointer the data was mapped at. 429 * 430 * This is a fixed-size type for 32/64 compatibility. 431 */ 432 __u64 addr_ptr; 433 }; 434 435 struct drm_i915_gem_mmap_gtt { 436 /** Handle for the object being mapped. */ 437 __u32 handle; 438 __u32 pad; 439 /** 440 * Fake offset to use for subsequent mmap call 441 * 442 * This is a fixed-size type for 32/64 compatibility. 443 */ 444 __u64 offset; 445 }; 446 447 struct drm_i915_gem_set_domain { 448 /** Handle for the object */ 449 __u32 handle; 450 451 /** New read domains */ 452 __u32 read_domains; 453 454 /** New write domain */ 455 __u32 write_domain; 456 }; 457 458 struct drm_i915_gem_sw_finish { 459 /** Handle for the object */ 460 __u32 handle; 461 }; 462 463 struct drm_i915_gem_relocation_entry { 464 /** 465 * Handle of the buffer being pointed to by this relocation entry. 466 * 467 * It's appealing to make this be an index into the mm_validate_entry 468 * list to refer to the buffer, but this allows the driver to create 469 * a relocation list for state buffers and not re-write it per 470 * exec using the buffer. 471 */ 472 __u32 target_handle; 473 474 /** 475 * Value to be added to the offset of the target buffer to make up 476 * the relocation entry. 477 */ 478 __u32 delta; 479 480 /** Offset in the buffer the relocation entry will be written into */ 481 __u64 offset; 482 483 /** 484 * Offset value of the target buffer that the relocation entry was last 485 * written as. 486 * 487 * If the buffer has the same offset as last time, we can skip syncing 488 * and writing the relocation. This value is written back out by 489 * the execbuffer ioctl when the relocation is written. 490 */ 491 __u64 presumed_offset; 492 493 /** 494 * Target memory domains read by this operation. 495 */ 496 __u32 read_domains; 497 498 /** 499 * Target memory domains written by this operation. 500 * 501 * Note that only one domain may be written by the whole 502 * execbuffer operation, so that where there are conflicts, 503 * the application will get -EINVAL back. 504 */ 505 __u32 write_domain; 506 }; 507 508 /** @{ 509 * Intel memory domains 510 * 511 * Most of these just align with the various caches in 512 * the system and are used to flush and invalidate as 513 * objects end up cached in different domains. 514 */ 515 /** CPU cache */ 516 #define I915_GEM_DOMAIN_CPU 0x00000001 517 /** Render cache, used by 2D and 3D drawing */ 518 #define I915_GEM_DOMAIN_RENDER 0x00000002 519 /** Sampler cache, used by texture engine */ 520 #define I915_GEM_DOMAIN_SAMPLER 0x00000004 521 /** Command queue, used to load batch buffers */ 522 #define I915_GEM_DOMAIN_COMMAND 0x00000008 523 /** Instruction cache, used by shader programs */ 524 #define I915_GEM_DOMAIN_INSTRUCTION 0x00000010 525 /** Vertex address cache */ 526 #define I915_GEM_DOMAIN_VERTEX 0x00000020 527 /** GTT domain - aperture and scanout */ 528 #define I915_GEM_DOMAIN_GTT 0x00000040 529 /** @} */ 530 531 struct drm_i915_gem_exec_object { 532 /** 533 * User's handle for a buffer to be bound into the GTT for this 534 * operation. 535 */ 536 __u32 handle; 537 538 /** Number of relocations to be performed on this buffer */ 539 __u32 relocation_count; 540 /** 541 * Pointer to array of struct drm_i915_gem_relocation_entry containing 542 * the relocations to be performed in this buffer. 543 */ 544 __u64 relocs_ptr; 545 546 /** Required alignment in graphics aperture */ 547 __u64 alignment; 548 549 /** 550 * Returned value of the updated offset of the object, for future 551 * presumed_offset writes. 552 */ 553 __u64 offset; 554 }; 555 556 struct drm_i915_gem_execbuffer { 557 /** 558 * List of buffers to be validated with their relocations to be 559 * performend on them. 560 * 561 * This is a pointer to an array of struct drm_i915_gem_validate_entry. 562 * 563 * These buffers must be listed in an order such that all relocations 564 * a buffer is performing refer to buffers that have already appeared 565 * in the validate list. 566 */ 567 __u64 buffers_ptr; 568 __u32 buffer_count; 569 570 /** Offset in the batchbuffer to start execution from. */ 571 __u32 batch_start_offset; 572 /** Bytes used in batchbuffer from batch_start_offset */ 573 __u32 batch_len; 574 __u32 DR1; 575 __u32 DR4; 576 __u32 num_cliprects; 577 /** This is a struct drm_clip_rect *cliprects */ 578 __u64 cliprects_ptr; 579 }; 580 581 struct drm_i915_gem_exec_object2 { 582 /** 583 * User's handle for a buffer to be bound into the GTT for this 584 * operation. 585 */ 586 __u32 handle; 587 588 /** Number of relocations to be performed on this buffer */ 589 __u32 relocation_count; 590 /** 591 * Pointer to array of struct drm_i915_gem_relocation_entry containing 592 * the relocations to be performed in this buffer. 593 */ 594 __u64 relocs_ptr; 595 596 /** Required alignment in graphics aperture */ 597 __u64 alignment; 598 599 /** 600 * Returned value of the updated offset of the object, for future 601 * presumed_offset writes. 602 */ 603 __u64 offset; 604 605 #define EXEC_OBJECT_NEEDS_FENCE (1<<0) 606 __u64 flags; 607 __u64 rsvd1; 608 __u64 rsvd2; 609 }; 610 611 struct drm_i915_gem_execbuffer2 { 612 /** 613 * List of gem_exec_object2 structs 614 */ 615 __u64 buffers_ptr; 616 __u32 buffer_count; 617 618 /** Offset in the batchbuffer to start execution from. */ 619 __u32 batch_start_offset; 620 /** Bytes used in batchbuffer from batch_start_offset */ 621 __u32 batch_len; 622 __u32 DR1; 623 __u32 DR4; 624 __u32 num_cliprects; 625 /** This is a struct drm_clip_rect *cliprects */ 626 __u64 cliprects_ptr; 627 #define I915_EXEC_RING_MASK (7<<0) 628 #define I915_EXEC_DEFAULT (0<<0) 629 #define I915_EXEC_RENDER (1<<0) 630 #define I915_EXEC_BSD (2<<0) 631 #define I915_EXEC_BLT (3<<0) 632 633 /* Used for switching the constants addressing mode on gen4+ RENDER ring. 634 * Gen6+ only supports relative addressing to dynamic state (default) and 635 * absolute addressing. 636 * 637 * These flags are ignored for the BSD and BLT rings. 638 */ 639 #define I915_EXEC_CONSTANTS_MASK (3<<6) 640 #define I915_EXEC_CONSTANTS_REL_GENERAL (0<<6) /* default */ 641 #define I915_EXEC_CONSTANTS_ABSOLUTE (1<<6) 642 #define I915_EXEC_CONSTANTS_REL_SURFACE (2<<6) /* gen4/5 only */ 643 __u64 flags; 644 __u64 rsvd1; 645 __u64 rsvd2; 646 }; 647 648 struct drm_i915_gem_pin { 649 /** Handle of the buffer to be pinned. */ 650 __u32 handle; 651 __u32 pad; 652 653 /** alignment required within the aperture */ 654 __u64 alignment; 655 656 /** Returned GTT offset of the buffer. */ 657 __u64 offset; 658 }; 659 660 struct drm_i915_gem_unpin { 661 /** Handle of the buffer to be unpinned. */ 662 __u32 handle; 663 __u32 pad; 664 }; 665 666 struct drm_i915_gem_busy { 667 /** Handle of the buffer to check for busy */ 668 __u32 handle; 669 670 /** Return busy status (1 if busy, 0 if idle) */ 671 __u32 busy; 672 }; 673 674 #define I915_TILING_NONE 0 675 #define I915_TILING_X 1 676 #define I915_TILING_Y 2 677 678 #define I915_BIT_6_SWIZZLE_NONE 0 679 #define I915_BIT_6_SWIZZLE_9 1 680 #define I915_BIT_6_SWIZZLE_9_10 2 681 #define I915_BIT_6_SWIZZLE_9_11 3 682 #define I915_BIT_6_SWIZZLE_9_10_11 4 683 /* Not seen by userland */ 684 #define I915_BIT_6_SWIZZLE_UNKNOWN 5 685 /* Seen by userland. */ 686 #define I915_BIT_6_SWIZZLE_9_17 6 687 #define I915_BIT_6_SWIZZLE_9_10_17 7 688 689 struct drm_i915_gem_set_tiling { 690 /** Handle of the buffer to have its tiling state updated */ 691 __u32 handle; 692 693 /** 694 * Tiling mode for the object (I915_TILING_NONE, I915_TILING_X, 695 * I915_TILING_Y). 696 * 697 * This value is to be set on request, and will be updated by the 698 * kernel on successful return with the actual chosen tiling layout. 699 * 700 * The tiling mode may be demoted to I915_TILING_NONE when the system 701 * has bit 6 swizzling that can't be managed correctly by GEM. 702 * 703 * Buffer contents become undefined when changing tiling_mode. 704 */ 705 __u32 tiling_mode; 706 707 /** 708 * Stride in bytes for the object when in I915_TILING_X or 709 * I915_TILING_Y. 710 */ 711 __u32 stride; 712 713 /** 714 * Returned address bit 6 swizzling required for CPU access through 715 * mmap mapping. 716 */ 717 __u32 swizzle_mode; 718 }; 719 720 struct drm_i915_gem_get_tiling { 721 /** Handle of the buffer to get tiling state for. */ 722 __u32 handle; 723 724 /** 725 * Current tiling mode for the object (I915_TILING_NONE, I915_TILING_X, 726 * I915_TILING_Y). 727 */ 728 __u32 tiling_mode; 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_aperture { 738 /** Total size of the aperture used by i915_gem_execbuffer, in bytes */ 739 __u64 aper_size; 740 741 /** 742 * Available space in the aperture used by i915_gem_execbuffer, in 743 * bytes 744 */ 745 __u64 aper_available_size; 746 }; 747 748 struct drm_i915_get_pipe_from_crtc_id { 749 /** ID of CRTC being requested **/ 750 __u32 crtc_id; 751 752 /** pipe of requested CRTC **/ 753 __u32 pipe; 754 }; 755 756 #define I915_MADV_WILLNEED 0 757 #define I915_MADV_DONTNEED 1 758 #define __I915_MADV_PURGED 2 /* internal state */ 759 760 struct drm_i915_gem_madvise { 761 /** Handle of the buffer to change the backing store advice */ 762 __u32 handle; 763 764 /* Advice: either the buffer will be needed again in the near future, 765 * or wont be and could be discarded under memory pressure. 766 */ 767 __u32 madv; 768 769 /** Whether the backing store still exists. */ 770 __u32 retained; 771 }; 772 773 /* flags */ 774 #define I915_OVERLAY_TYPE_MASK 0xff 775 #define I915_OVERLAY_YUV_PLANAR 0x01 776 #define I915_OVERLAY_YUV_PACKED 0x02 777 #define I915_OVERLAY_RGB 0x03 778 779 #define I915_OVERLAY_DEPTH_MASK 0xff00 780 #define I915_OVERLAY_RGB24 0x1000 781 #define I915_OVERLAY_RGB16 0x2000 782 #define I915_OVERLAY_RGB15 0x3000 783 #define I915_OVERLAY_YUV422 0x0100 784 #define I915_OVERLAY_YUV411 0x0200 785 #define I915_OVERLAY_YUV420 0x0300 786 #define I915_OVERLAY_YUV410 0x0400 787 788 #define I915_OVERLAY_SWAP_MASK 0xff0000 789 #define I915_OVERLAY_NO_SWAP 0x000000 790 #define I915_OVERLAY_UV_SWAP 0x010000 791 #define I915_OVERLAY_Y_SWAP 0x020000 792 #define I915_OVERLAY_Y_AND_UV_SWAP 0x030000 793 794 #define I915_OVERLAY_FLAGS_MASK 0xff000000 795 #define I915_OVERLAY_ENABLE 0x01000000 796 797 struct drm_intel_overlay_put_image { 798 /* various flags and src format description */ 799 __u32 flags; 800 /* source picture description */ 801 __u32 bo_handle; 802 /* stride values and offsets are in bytes, buffer relative */ 803 __u16 stride_Y; /* stride for packed formats */ 804 __u16 stride_UV; 805 __u32 offset_Y; /* offset for packet formats */ 806 __u32 offset_U; 807 __u32 offset_V; 808 /* in pixels */ 809 __u16 src_width; 810 __u16 src_height; 811 /* to compensate the scaling factors for partially covered surfaces */ 812 __u16 src_scan_width; 813 __u16 src_scan_height; 814 /* output crtc description */ 815 __u32 crtc_id; 816 __u16 dst_x; 817 __u16 dst_y; 818 __u16 dst_width; 819 __u16 dst_height; 820 }; 821 822 /* flags */ 823 #define I915_OVERLAY_UPDATE_ATTRS (1<<0) 824 #define I915_OVERLAY_UPDATE_GAMMA (1<<1) 825 struct drm_intel_overlay_attrs { 826 __u32 flags; 827 __u32 color_key; 828 __s32 brightness; 829 __u32 contrast; 830 __u32 saturation; 831 __u32 gamma0; 832 __u32 gamma1; 833 __u32 gamma2; 834 __u32 gamma3; 835 __u32 gamma4; 836 __u32 gamma5; 837 }; 838 839 #endif /* _I915_DRM_H_ */ 840