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