1 /** 2 * \file drmP.h 3 * Private header for Direct Rendering Manager 4 * 5 * \author Rickard E. (Rik) Faith <faith@valinux.com> 6 * \author Gareth Hughes <gareth@valinux.com> 7 */ 8 9 /* 10 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. 11 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. 12 * Copyright (c) 2009-2010, Code Aurora Forum. 13 * All rights reserved. 14 * 15 * Permission is hereby granted, free of charge, to any person obtaining a 16 * copy of this software and associated documentation files (the "Software"), 17 * to deal in the Software without restriction, including without limitation 18 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 19 * and/or sell copies of the Software, and to permit persons to whom the 20 * Software is furnished to do so, subject to the following conditions: 21 * 22 * The above copyright notice and this permission notice (including the next 23 * paragraph) shall be included in all copies or substantial portions of the 24 * Software. 25 * 26 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 27 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 28 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 29 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 30 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 31 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 32 * OTHER DEALINGS IN THE SOFTWARE. 33 */ 34 35 #include <sys/cdefs.h> 36 __FBSDID("$FreeBSD$"); 37 38 #ifndef _DRM_P_H_ 39 #define _DRM_P_H_ 40 41 #if defined(_KERNEL) || defined(__KERNEL__) 42 43 #include <sys/param.h> 44 #include <sys/queue.h> 45 #include <sys/malloc.h> 46 #include <sys/kernel.h> 47 #include <sys/ktr.h> 48 #include <sys/module.h> 49 #include <sys/systm.h> 50 #include <sys/conf.h> 51 #include <sys/sglist.h> 52 #include <sys/stat.h> 53 #include <sys/priv.h> 54 #include <sys/proc.h> 55 #include <sys/lock.h> 56 #include <sys/fcntl.h> 57 #include <sys/uio.h> 58 #include <sys/filio.h> 59 #include <sys/rwlock.h> 60 #include <sys/selinfo.h> 61 #include <sys/sysctl.h> 62 #include <sys/bus.h> 63 #include <sys/queue.h> 64 #include <sys/signalvar.h> 65 #include <sys/poll.h> 66 #include <sys/sbuf.h> 67 #include <sys/taskqueue.h> 68 #include <sys/tree.h> 69 #include <sys/vmmeter.h> 70 #include <vm/vm.h> 71 #include <vm/pmap.h> 72 #include <vm/vm_extern.h> 73 #include <vm/vm_kern.h> 74 #include <vm/vm_map.h> 75 #include <vm/vm_object.h> 76 #include <vm/vm_page.h> 77 #include <vm/vm_pager.h> 78 #include <vm/vm_param.h> 79 #include <vm/vm_phys.h> 80 #include <machine/bus.h> 81 #include <machine/resource.h> 82 #if defined(__i386__) || defined(__amd64__) 83 #include <machine/specialreg.h> 84 #endif 85 #include <machine/sysarch.h> 86 #include <sys/endian.h> 87 #include <sys/mman.h> 88 #include <sys/rman.h> 89 #include <sys/memrange.h> 90 #include <dev/agp/agpvar.h> 91 #include <sys/agpio.h> 92 #include <sys/mutex.h> 93 #include <dev/pci/pcivar.h> 94 #include <dev/pci/pcireg.h> 95 #include <sys/selinfo.h> 96 #include <sys/bus.h> 97 98 #include <dev/drm2/drm.h> 99 #include <dev/drm2/drm_sarea.h> 100 101 #include <dev/drm2/drm_atomic.h> 102 #include <dev/drm2/drm_linux_list.h> 103 #include <dev/drm2/drm_gem_names.h> 104 105 #include <dev/drm2/drm_os_freebsd.h> 106 107 #if defined(CONFIG_AGP) || (defined(CONFIG_AGP_MODULE) && defined(MODULE)) 108 #define __OS_HAS_AGP 1 109 #else 110 #define __OS_HAS_AGP 0 111 #endif 112 #if defined(CONFIG_MTRR) 113 #define __OS_HAS_MTRR 1 114 #else 115 #define __OS_HAS_MTRR 0 116 #endif 117 118 struct drm_file; 119 struct drm_device; 120 121 #include <dev/drm2/drm_hashtab.h> 122 #include <dev/drm2/drm_mm.h> 123 124 #include "opt_drm.h" 125 #include "opt_syscons.h" 126 #ifdef DRM_DEBUG 127 #undef DRM_DEBUG 128 #define DRM_DEBUG_DEFAULT_ON 1 129 #endif /* DRM_DEBUG */ 130 131 #define DRM_DEBUGBITS_DEBUG 0x1 132 #define DRM_DEBUGBITS_KMS 0x2 133 #define DRM_DEBUGBITS_FAILED_IOCTL 0x4 134 135 #undef DRM_LINUX 136 #define DRM_LINUX 0 137 138 /***********************************************************************/ 139 /** \name DRM template customization defaults */ 140 /*@{*/ 141 142 /* driver capabilities and requirements mask */ 143 #define DRIVER_USE_AGP 0x1 144 #define DRIVER_REQUIRE_AGP 0x2 145 #define DRIVER_USE_MTRR 0x4 146 #define DRIVER_PCI_DMA 0x8 147 #define DRIVER_SG 0x10 148 #define DRIVER_HAVE_DMA 0x20 149 #define DRIVER_HAVE_IRQ 0x40 150 #define DRIVER_IRQ_SHARED 0x80 151 #define DRIVER_IRQ_VBL 0x100 152 #define DRIVER_DMA_QUEUE 0x200 153 #define DRIVER_FB_DMA 0x400 154 #define DRIVER_IRQ_VBL2 0x800 155 #define DRIVER_GEM 0x1000 156 #define DRIVER_MODESET 0x2000 157 #define DRIVER_PRIME 0x4000 158 159 #define DRIVER_BUS_PCI 0x1 160 #define DRIVER_BUS_PLATFORM 0x2 161 #define DRIVER_BUS_USB 0x3 162 163 /***********************************************************************/ 164 /** \name Begin the DRM... */ 165 /*@{*/ 166 167 #define DRM_DEBUG_CODE 2 /**< Include debugging code if > 1, then 168 also include looping detection. */ 169 170 #define DRM_MAGIC_HASH_ORDER 4 /**< Size of key hash table. Must be power of 2. */ 171 #define DRM_KERNEL_CONTEXT 0 /**< Change drm_resctx if changed */ 172 #define DRM_RESERVED_CONTEXTS 1 /**< Change drm_resctx if changed */ 173 #define DRM_LOOPING_LIMIT 5000000 174 #define DRM_TIME_SLICE (HZ/20) /**< Time slice for GLXContexts */ 175 #define DRM_LOCK_SLICE 1 /**< Time slice for lock, in jiffies */ 176 177 #define DRM_FLAG_DEBUG 0x01 178 179 #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) 180 #define DRM_MAP_HASH_OFFSET 0x10000000 181 182 /*@}*/ 183 184 /***********************************************************************/ 185 /** \name Macros to make printk easier */ 186 /*@{*/ 187 188 /** 189 * Error output. 190 * 191 * \param fmt printf() like format string. 192 * \param arg arguments 193 */ 194 #define DRM_ERROR(fmt, ...) \ 195 printf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt, \ 196 DRM_CURRENTPID, __func__ , ##__VA_ARGS__) 197 198 #define DRM_WARNING(fmt, ...) printf("warning: [" DRM_NAME "] " fmt , ##__VA_ARGS__) 199 #define DRM_INFO(fmt, ...) printf("info: [" DRM_NAME "] " fmt , ##__VA_ARGS__) 200 201 /** 202 * Debug output. 203 * 204 * \param fmt printf() like format string. 205 * \param arg arguments 206 */ 207 #define DRM_DEBUG(fmt, ...) do { \ 208 if ((drm_debug & DRM_DEBUGBITS_DEBUG) != 0) \ 209 printf("[" DRM_NAME ":pid%d:%s] " fmt, DRM_CURRENTPID, \ 210 __func__ , ##__VA_ARGS__); \ 211 } while (0) 212 213 #define DRM_DEBUG_DRIVER(fmt, ...) do { \ 214 if ((drm_debug & DRM_DEBUGBITS_KMS) != 0) \ 215 printf("[" DRM_NAME ":KMS:pid%d:%s] " fmt, DRM_CURRENTPID,\ 216 __func__ , ##__VA_ARGS__); \ 217 } while (0) 218 219 #define DRM_DEBUG_KMS(fmt, ...) do { \ 220 if ((drm_debug & DRM_DEBUGBITS_KMS) != 0) \ 221 printf("[" DRM_NAME ":KMS:pid%d:%s] " fmt, DRM_CURRENTPID,\ 222 __func__ , ##__VA_ARGS__); \ 223 } while (0) 224 225 #define DRM_LOG(fmt, ...) do { \ 226 if ((drm_debug & DRM_DEBUGBITS_KMS) != 0) \ 227 printf("[" DRM_NAME "]:pid%d:%s]" fmt, DRM_CURRENTPID, \ 228 __func__ , ##__VA_ARGS__); \ 229 } while (0) 230 231 #define DRM_LOG_KMS(fmt, ...) do { \ 232 if ((drm_debug & DRM_DEBUGBITS_KMS) != 0) \ 233 printf("[" DRM_NAME "]:KMS:pid%d:%s]" fmt, DRM_CURRENTPID,\ 234 __func__ , ##__VA_ARGS__); \ 235 } while (0) 236 237 #define DRM_LOG_MODE(fmt, ...) do { \ 238 if ((drm_debug & DRM_DEBUGBITS_KMS) != 0) \ 239 printf("[" DRM_NAME "]:pid%d:%s]" fmt, DRM_CURRENTPID, \ 240 __func__ , ##__VA_ARGS__); \ 241 } while (0) 242 243 #define DRM_LOG_DRIVER(fmt, ...) do { \ 244 if ((drm_debug & DRM_DEBUGBITS_KMS) != 0) \ 245 printf("[" DRM_NAME "]:KMS:pid%d:%s]" fmt, DRM_CURRENTPID,\ 246 __func__ , ##__VA_ARGS__); \ 247 } while (0) 248 249 /*@}*/ 250 251 /***********************************************************************/ 252 /** \name Internal types and structures */ 253 /*@{*/ 254 255 #define DRM_ARRAY_SIZE(x) ARRAY_SIZE(x) 256 257 #define DRM_LEFTCOUNT(x) (((x)->rp + (x)->count - (x)->wp) % ((x)->count + 1)) 258 #define DRM_BUFCOUNT(x) ((x)->count - DRM_LEFTCOUNT(x)) 259 260 #define DRM_IF_VERSION(maj, min) (maj << 16 | min) 261 262 /** 263 * Test that the hardware lock is held by the caller, returning otherwise. 264 * 265 * \param dev DRM device. 266 * \param filp file pointer of the caller. 267 */ 268 #define LOCK_TEST_WITH_RETURN( dev, _file_priv ) \ 269 do { \ 270 if (!_DRM_LOCK_IS_HELD(_file_priv->master->lock.hw_lock->lock) || \ 271 _file_priv->master->lock.file_priv != _file_priv) { \ 272 DRM_ERROR( "%s called without lock held, held %d owner %p %p\n",\ 273 __func__, _DRM_LOCK_IS_HELD(_file_priv->master->lock.hw_lock->lock),\ 274 _file_priv->master->lock.file_priv, _file_priv); \ 275 return -EINVAL; \ 276 } \ 277 } while (0) 278 279 /** 280 * Ioctl function type. 281 * 282 * \param inode device inode. 283 * \param file_priv DRM file private pointer. 284 * \param cmd command. 285 * \param arg argument. 286 */ 287 typedef int drm_ioctl_t(struct drm_device *dev, void *data, 288 struct drm_file *file_priv); 289 290 #define DRM_IOCTL_NR(n) ((n) & 0xff) 291 #define DRM_MAJOR 226 292 293 #define DRM_AUTH 0x1 294 #define DRM_MASTER 0x2 295 #define DRM_ROOT_ONLY 0x4 296 #define DRM_CONTROL_ALLOW 0x8 297 #define DRM_UNLOCKED 0x10 298 299 struct drm_ioctl_desc { 300 unsigned long cmd; 301 int flags; 302 drm_ioctl_t *func; 303 unsigned int cmd_drv; 304 }; 305 306 /** 307 * Creates a driver or general drm_ioctl_desc array entry for the given 308 * ioctl, for use by drm_ioctl(). 309 */ 310 311 #define DRM_IOCTL_DEF(ioctl, _func, _flags) \ 312 [DRM_IOCTL_NR(ioctl)] = {.cmd = ioctl, .func = _func, .flags = _flags, .cmd_drv = 0} 313 314 #define DRM_IOCTL_DEF_DRV(ioctl, _func, _flags) \ 315 [DRM_IOCTL_NR(DRM_##ioctl)] = {.cmd = DRM_##ioctl, .func = _func, .flags = _flags, .cmd_drv = DRM_IOCTL_##ioctl} 316 317 struct drm_magic_entry { 318 struct list_head head; 319 struct drm_hash_item hash_item; 320 struct drm_file *priv; 321 }; 322 323 /** 324 * DMA buffer. 325 */ 326 struct drm_buf { 327 int idx; /**< Index into master buflist */ 328 int total; /**< Buffer size */ 329 int order; /**< log-base-2(total) */ 330 int used; /**< Amount of buffer in use (for DMA) */ 331 unsigned long offset; /**< Byte offset (used internally) */ 332 void *address; /**< Address of buffer */ 333 unsigned long bus_address; /**< Bus address of buffer */ 334 struct drm_buf *next; /**< Kernel-only: used for free list */ 335 __volatile__ int waiting; /**< On kernel DMA queue */ 336 __volatile__ int pending; /**< On hardware DMA queue */ 337 struct drm_file *file_priv; /**< Private of holding file descr */ 338 int context; /**< Kernel queue for this buffer */ 339 int while_locked; /**< Dispatch this buffer while locked */ 340 enum { 341 DRM_LIST_NONE = 0, 342 DRM_LIST_FREE = 1, 343 DRM_LIST_WAIT = 2, 344 DRM_LIST_PEND = 3, 345 DRM_LIST_PRIO = 4, 346 DRM_LIST_RECLAIM = 5 347 } list; /**< Which list we're on */ 348 349 int dev_priv_size; /**< Size of buffer private storage */ 350 void *dev_private; /**< Per-buffer private storage */ 351 }; 352 353 struct drm_freelist { 354 int initialized; /**< Freelist in use */ 355 atomic_t count; /**< Number of free buffers */ 356 struct drm_buf *next; /**< End pointer */ 357 358 #ifdef FREEBSD_NOTYET 359 wait_queue_head_t waiting; /**< Processes waiting on free bufs */ 360 #endif /* defined(FREEBSD_NOTYET) */ 361 int low_mark; /**< Low water mark */ 362 int high_mark; /**< High water mark */ 363 #ifdef FREEBSD_NOTYET 364 atomic_t wfh; /**< If waiting for high mark */ 365 spinlock_t lock; 366 #endif /* defined(FREEBSD_NOTYET) */ 367 }; 368 369 typedef struct drm_dma_handle { 370 void *vaddr; 371 bus_addr_t busaddr; 372 bus_dma_tag_t tag; 373 bus_dmamap_t map; 374 } drm_dma_handle_t; 375 376 /** 377 * Buffer entry. There is one of this for each buffer size order. 378 */ 379 struct drm_buf_entry { 380 int buf_size; /**< size */ 381 int buf_count; /**< number of buffers */ 382 struct drm_buf *buflist; /**< buffer list */ 383 int seg_count; 384 int page_order; 385 struct drm_dma_handle **seglist; 386 387 struct drm_freelist freelist; 388 }; 389 390 /* Event queued up for userspace to read */ 391 struct drm_pending_event { 392 struct drm_event *event; 393 struct list_head link; 394 struct drm_file *file_priv; 395 pid_t pid; /* pid of requester, no guarantee it's valid by the time 396 we deliver the event, for tracing only */ 397 void (*destroy)(struct drm_pending_event *event); 398 }; 399 400 /* initial implementaton using a linked list - todo hashtab */ 401 struct drm_prime_file_private { 402 struct list_head head; 403 struct mtx lock; 404 }; 405 406 struct drm_file { 407 int authenticated; 408 pid_t pid; 409 uid_t uid; 410 drm_magic_t magic; 411 unsigned long ioctl_count; 412 struct list_head lhead; 413 struct drm_minor *minor; 414 unsigned long lock_count; 415 416 void *driver_priv; 417 struct drm_gem_names object_names; 418 419 int is_master; /* this file private is a master for a minor */ 420 struct drm_master *master; /* master this node is currently associated with 421 N.B. not always minor->master */ 422 struct list_head fbs; 423 424 struct selinfo event_poll; 425 struct list_head event_list; 426 int event_space; 427 428 struct drm_prime_file_private prime; 429 }; 430 431 /** 432 * Lock data. 433 */ 434 struct drm_lock_data { 435 struct drm_hw_lock *hw_lock; /**< Hardware lock */ 436 /** Private of lock holder's file (NULL=kernel) */ 437 struct drm_file *file_priv; 438 wait_queue_head_t lock_queue; /**< Queue of blocked processes */ 439 unsigned long lock_time; /**< Time of last lock in jiffies */ 440 struct mtx spinlock; 441 uint32_t kernel_waiters; 442 uint32_t user_waiters; 443 int idle_has_lock; 444 }; 445 446 /** 447 * DMA data. 448 */ 449 struct drm_device_dma { 450 451 struct drm_buf_entry bufs[DRM_MAX_ORDER + 1]; /**< buffers, grouped by their size order */ 452 int buf_count; /**< total number of buffers */ 453 struct drm_buf **buflist; /**< Vector of pointers into drm_device_dma::bufs */ 454 int seg_count; 455 int page_count; /**< number of pages */ 456 unsigned long *pagelist; /**< page list */ 457 unsigned long byte_count; 458 enum { 459 _DRM_DMA_USE_AGP = 0x01, 460 _DRM_DMA_USE_SG = 0x02, 461 _DRM_DMA_USE_FB = 0x04, 462 _DRM_DMA_USE_PCI_RO = 0x08 463 } flags; 464 465 }; 466 467 /** 468 * AGP memory entry. Stored as a doubly linked list. 469 */ 470 struct drm_agp_mem { 471 unsigned long handle; /**< handle */ 472 DRM_AGP_MEM *memory; 473 unsigned long bound; /**< address */ 474 int pages; 475 struct list_head head; 476 }; 477 478 /** 479 * AGP data. 480 * 481 * \sa drm_agp_init() and drm_device::agp. 482 */ 483 struct drm_agp_head { 484 DRM_AGP_KERN agp_info; /**< AGP device information */ 485 struct list_head memory; 486 unsigned long mode; /**< AGP mode */ 487 device_t bridge; 488 int enabled; /**< whether the AGP bus as been enabled */ 489 int acquired; /**< whether the AGP device has been acquired */ 490 unsigned long base; 491 int agp_mtrr; 492 int cant_use_aperture; 493 }; 494 495 /** 496 * Scatter-gather memory. 497 */ 498 struct drm_sg_mem { 499 vm_offset_t vaddr; 500 vm_paddr_t *busaddr; 501 vm_pindex_t pages; 502 }; 503 504 struct drm_sigdata { 505 int context; 506 struct drm_hw_lock *lock; 507 }; 508 509 /** 510 * Kernel side of a mapping 511 */ 512 #define DRM_MAP_HANDLE_BITS (sizeof(void *) == 4 ? 4 : 24) 513 #define DRM_MAP_HANDLE_SHIFT (sizeof(void *) * 8 - DRM_MAP_HANDLE_BITS) 514 515 struct drm_local_map { 516 resource_size_t offset; /**< Requested physical address (0 for SAREA)*/ 517 unsigned long size; /**< Requested physical size (bytes) */ 518 enum drm_map_type type; /**< Type of memory to map */ 519 enum drm_map_flags flags; /**< Flags */ 520 void *handle; /**< User-space: "Handle" to pass to mmap() */ 521 /**< Kernel-space: kernel-virtual address */ 522 int mtrr; /**< MTRR slot used */ 523 524 /* Private data */ 525 drm_dma_handle_t *dmah; 526 }; 527 528 typedef struct drm_local_map drm_local_map_t; 529 530 /** 531 * Mappings list 532 */ 533 struct drm_map_list { 534 struct list_head head; /**< list head */ 535 struct drm_hash_item hash; 536 struct drm_local_map *map; /**< mapping */ 537 uint64_t user_token; 538 struct drm_master *master; 539 struct drm_mm_node *file_offset_node; /**< fake offset */ 540 }; 541 542 /** 543 * Context handle list 544 */ 545 struct drm_ctx_list { 546 struct list_head head; /**< list head */ 547 drm_context_t handle; /**< context handle */ 548 struct drm_file *tag; /**< associated fd private data */ 549 }; 550 551 /* location of GART table */ 552 #define DRM_ATI_GART_MAIN 1 553 #define DRM_ATI_GART_FB 2 554 555 #define DRM_ATI_GART_PCI 1 556 #define DRM_ATI_GART_PCIE 2 557 #define DRM_ATI_GART_IGP 3 558 559 struct drm_ati_pcigart_info { 560 int gart_table_location; 561 int gart_reg_if; 562 void *addr; 563 dma_addr_t bus_addr; 564 dma_addr_t table_mask; 565 struct drm_dma_handle *table_handle; 566 struct drm_local_map mapping; 567 int table_size; 568 struct drm_dma_handle *dmah; /* handle for ATI PCIGART table FIXME */ 569 }; 570 571 /** 572 * GEM specific mm private for tracking GEM objects 573 */ 574 struct drm_gem_mm { 575 struct unrhdr *idxunr; 576 struct drm_open_hash offset_hash; /**< User token hash table for maps */ 577 }; 578 579 /** 580 * This structure defines the drm_mm memory object, which will be used by the 581 * DRM for its buffer objects. 582 */ 583 struct drm_gem_object { 584 /** Reference count of this object */ 585 u_int refcount; 586 587 /** Handle count of this object. Each handle also holds a reference */ 588 atomic_t handle_count; /* number of handles on this object */ 589 590 /** Related drm device */ 591 struct drm_device *dev; 592 593 /** File representing the shmem storage: filp in Linux parlance */ 594 vm_object_t vm_obj; 595 596 /* Mapping info for this object */ 597 bool on_map; 598 struct drm_hash_item map_list; 599 600 /** 601 * Size of the object, in bytes. Immutable over the object's 602 * lifetime. 603 */ 604 size_t size; 605 606 /** 607 * Global name for this object, starts at 1. 0 means unnamed. 608 * Access is covered by the object_name_lock in the related drm_device 609 */ 610 int name; 611 612 /** 613 * Memory domains. These monitor which caches contain read/write data 614 * related to the object. When transitioning from one set of domains 615 * to another, the driver is called to ensure that caches are suitably 616 * flushed and invalidated 617 */ 618 uint32_t read_domains; 619 uint32_t write_domain; 620 621 /** 622 * While validating an exec operation, the 623 * new read/write domain values are computed here. 624 * They will be transferred to the above values 625 * at the point that any cache flushing occurs 626 */ 627 uint32_t pending_read_domains; 628 uint32_t pending_write_domain; 629 630 void *driver_private; 631 632 #ifdef FREEBSD_NOTYET 633 /* dma buf exported from this GEM object */ 634 struct dma_buf *export_dma_buf; 635 636 /* dma buf attachment backing this object */ 637 struct dma_buf_attachment *import_attach; 638 #endif /* FREEBSD_NOTYET */ 639 }; 640 641 #include <dev/drm2/drm_crtc.h> 642 643 /* per-master structure */ 644 struct drm_master { 645 646 u_int refcount; /* refcount for this master */ 647 648 struct list_head head; /**< each minor contains a list of masters */ 649 struct drm_minor *minor; /**< link back to minor we are a master for */ 650 651 char *unique; /**< Unique identifier: e.g., busid */ 652 int unique_len; /**< Length of unique field */ 653 int unique_size; /**< amount allocated */ 654 655 int blocked; /**< Blocked due to VC switch? */ 656 657 /** \name Authentication */ 658 /*@{ */ 659 struct drm_open_hash magiclist; 660 struct list_head magicfree; 661 /*@} */ 662 663 struct drm_lock_data lock; /**< Information on hardware lock */ 664 665 void *driver_priv; /**< Private structure for driver to use */ 666 }; 667 668 /* Size of ringbuffer for vblank timestamps. Just double-buffer 669 * in initial implementation. 670 */ 671 #define DRM_VBLANKTIME_RBSIZE 2 672 673 /* Flags and return codes for get_vblank_timestamp() driver function. */ 674 #define DRM_CALLED_FROM_VBLIRQ 1 675 #define DRM_VBLANKTIME_SCANOUTPOS_METHOD (1 << 0) 676 #define DRM_VBLANKTIME_INVBL (1 << 1) 677 678 /* get_scanout_position() return flags */ 679 #define DRM_SCANOUTPOS_VALID (1 << 0) 680 #define DRM_SCANOUTPOS_INVBL (1 << 1) 681 #define DRM_SCANOUTPOS_ACCURATE (1 << 2) 682 683 struct drm_bus { 684 int bus_type; 685 int (*get_irq)(struct drm_device *dev); 686 void (*free_irq)(struct drm_device *dev); 687 const char *(*get_name)(struct drm_device *dev); 688 int (*set_busid)(struct drm_device *dev, struct drm_master *master); 689 int (*set_unique)(struct drm_device *dev, struct drm_master *master, 690 struct drm_unique *unique); 691 int (*irq_by_busid)(struct drm_device *dev, struct drm_irq_busid *p); 692 /* hooks that are for PCI */ 693 int (*agp_init)(struct drm_device *dev); 694 695 }; 696 697 /** 698 * DRM driver structure. This structure represent the common code for 699 * a family of cards. There will one drm_device for each card present 700 * in this family 701 */ 702 struct drm_driver { 703 int (*load) (struct drm_device *, unsigned long flags); 704 int (*firstopen) (struct drm_device *); 705 int (*open) (struct drm_device *, struct drm_file *); 706 void (*preclose) (struct drm_device *, struct drm_file *file_priv); 707 void (*postclose) (struct drm_device *, struct drm_file *); 708 void (*lastclose) (struct drm_device *); 709 int (*unload) (struct drm_device *); 710 int (*suspend) (struct drm_device *, pm_message_t state); 711 int (*resume) (struct drm_device *); 712 int (*dma_ioctl) (struct drm_device *dev, void *data, struct drm_file *file_priv); 713 int (*dma_quiescent) (struct drm_device *); 714 int (*context_dtor) (struct drm_device *dev, int context); 715 716 /** 717 * get_vblank_counter - get raw hardware vblank counter 718 * @dev: DRM device 719 * @crtc: counter to fetch 720 * 721 * Driver callback for fetching a raw hardware vblank counter for @crtc. 722 * If a device doesn't have a hardware counter, the driver can simply 723 * return the value of drm_vblank_count. The DRM core will account for 724 * missed vblank events while interrupts where disabled based on system 725 * timestamps. 726 * 727 * Wraparound handling and loss of events due to modesetting is dealt 728 * with in the DRM core code. 729 * 730 * RETURNS 731 * Raw vblank counter value. 732 */ 733 u32 (*get_vblank_counter) (struct drm_device *dev, int crtc); 734 735 /** 736 * enable_vblank - enable vblank interrupt events 737 * @dev: DRM device 738 * @crtc: which irq to enable 739 * 740 * Enable vblank interrupts for @crtc. If the device doesn't have 741 * a hardware vblank counter, this routine should be a no-op, since 742 * interrupts will have to stay on to keep the count accurate. 743 * 744 * RETURNS 745 * Zero on success, appropriate errno if the given @crtc's vblank 746 * interrupt cannot be enabled. 747 */ 748 int (*enable_vblank) (struct drm_device *dev, int crtc); 749 750 /** 751 * disable_vblank - disable vblank interrupt events 752 * @dev: DRM device 753 * @crtc: which irq to enable 754 * 755 * Disable vblank interrupts for @crtc. If the device doesn't have 756 * a hardware vblank counter, this routine should be a no-op, since 757 * interrupts will have to stay on to keep the count accurate. 758 */ 759 void (*disable_vblank) (struct drm_device *dev, int crtc); 760 761 /** 762 * Called by \c drm_device_is_agp. Typically used to determine if a 763 * card is really attached to AGP or not. 764 * 765 * \param dev DRM device handle 766 * 767 * \returns 768 * One of three values is returned depending on whether or not the 769 * card is absolutely \b not AGP (return of 0), absolutely \b is AGP 770 * (return of 1), or may or may not be AGP (return of 2). 771 */ 772 int (*device_is_agp) (struct drm_device *dev); 773 774 /** 775 * Called by vblank timestamping code. 776 * 777 * Return the current display scanout position from a crtc. 778 * 779 * \param dev DRM device. 780 * \param crtc Id of the crtc to query. 781 * \param *vpos Target location for current vertical scanout position. 782 * \param *hpos Target location for current horizontal scanout position. 783 * 784 * Returns vpos as a positive number while in active scanout area. 785 * Returns vpos as a negative number inside vblank, counting the number 786 * of scanlines to go until end of vblank, e.g., -1 means "one scanline 787 * until start of active scanout / end of vblank." 788 * 789 * \return Flags, or'ed together as follows: 790 * 791 * DRM_SCANOUTPOS_VALID = Query successful. 792 * DRM_SCANOUTPOS_INVBL = Inside vblank. 793 * DRM_SCANOUTPOS_ACCURATE = Returned position is accurate. A lack of 794 * this flag means that returned position may be offset by a constant 795 * but unknown small number of scanlines wrt. real scanout position. 796 * 797 */ 798 int (*get_scanout_position) (struct drm_device *dev, int crtc, 799 int *vpos, int *hpos); 800 801 /** 802 * Called by \c drm_get_last_vbltimestamp. Should return a precise 803 * timestamp when the most recent VBLANK interval ended or will end. 804 * 805 * Specifically, the timestamp in @vblank_time should correspond as 806 * closely as possible to the time when the first video scanline of 807 * the video frame after the end of VBLANK will start scanning out, 808 * the time immediately after end of the VBLANK interval. If the 809 * @crtc is currently inside VBLANK, this will be a time in the future. 810 * If the @crtc is currently scanning out a frame, this will be the 811 * past start time of the current scanout. This is meant to adhere 812 * to the OpenML OML_sync_control extension specification. 813 * 814 * \param dev dev DRM device handle. 815 * \param crtc crtc for which timestamp should be returned. 816 * \param *max_error Maximum allowable timestamp error in nanoseconds. 817 * Implementation should strive to provide timestamp 818 * with an error of at most *max_error nanoseconds. 819 * Returns true upper bound on error for timestamp. 820 * \param *vblank_time Target location for returned vblank timestamp. 821 * \param flags 0 = Defaults, no special treatment needed. 822 * \param DRM_CALLED_FROM_VBLIRQ = Function is called from vblank 823 * irq handler. Some drivers need to apply some workarounds 824 * for gpu-specific vblank irq quirks if flag is set. 825 * 826 * \returns 827 * Zero if timestamping isn't supported in current display mode or a 828 * negative number on failure. A positive status code on success, 829 * which describes how the vblank_time timestamp was computed. 830 */ 831 int (*get_vblank_timestamp) (struct drm_device *dev, int crtc, 832 int *max_error, 833 struct timeval *vblank_time, 834 unsigned flags); 835 836 /* these have to be filled in */ 837 838 irqreturn_t(*irq_handler) (DRM_IRQ_ARGS); 839 void (*irq_preinstall) (struct drm_device *dev); 840 int (*irq_postinstall) (struct drm_device *dev); 841 void (*irq_uninstall) (struct drm_device *dev); 842 void (*set_version) (struct drm_device *dev, 843 struct drm_set_version *sv); 844 845 /* Master routines */ 846 int (*master_create)(struct drm_device *dev, struct drm_master *master); 847 void (*master_destroy)(struct drm_device *dev, struct drm_master *master); 848 /** 849 * master_set is called whenever the minor master is set. 850 * master_drop is called whenever the minor master is dropped. 851 */ 852 853 int (*master_set)(struct drm_device *dev, struct drm_file *file_priv, 854 bool from_open); 855 void (*master_drop)(struct drm_device *dev, struct drm_file *file_priv, 856 bool from_release); 857 858 /** 859 * Driver-specific constructor for drm_gem_objects, to set up 860 * obj->driver_private. 861 * 862 * Returns 0 on success. 863 */ 864 int (*gem_init_object) (struct drm_gem_object *obj); 865 void (*gem_free_object) (struct drm_gem_object *obj); 866 int (*gem_open_object) (struct drm_gem_object *, struct drm_file *); 867 void (*gem_close_object) (struct drm_gem_object *, struct drm_file *); 868 869 #ifdef FREEBSD_NOTYET 870 /* prime: */ 871 /* export handle -> fd (see drm_gem_prime_handle_to_fd() helper) */ 872 int (*prime_handle_to_fd)(struct drm_device *dev, struct drm_file *file_priv, 873 uint32_t handle, uint32_t flags, int *prime_fd); 874 /* import fd -> handle (see drm_gem_prime_fd_to_handle() helper) */ 875 int (*prime_fd_to_handle)(struct drm_device *dev, struct drm_file *file_priv, 876 int prime_fd, uint32_t *handle); 877 /* export GEM -> dmabuf */ 878 struct dma_buf * (*gem_prime_export)(struct drm_device *dev, 879 struct drm_gem_object *obj, int flags); 880 /* import dmabuf -> GEM */ 881 struct drm_gem_object * (*gem_prime_import)(struct drm_device *dev, 882 struct dma_buf *dma_buf); 883 #endif /* defined(FREEBSD_NOTYET) */ 884 885 /* dumb alloc support */ 886 int (*dumb_create)(struct drm_file *file_priv, 887 struct drm_device *dev, 888 struct drm_mode_create_dumb *args); 889 int (*dumb_map_offset)(struct drm_file *file_priv, 890 struct drm_device *dev, uint32_t handle, 891 uint64_t *offset); 892 int (*dumb_destroy)(struct drm_file *file_priv, 893 struct drm_device *dev, 894 uint32_t handle); 895 896 /* Driver private ops for this object */ 897 struct cdev_pager_ops *gem_pager_ops; 898 899 int (*sysctl_init)(struct drm_device *dev, 900 struct sysctl_ctx_list *ctx, struct sysctl_oid *top); 901 void (*sysctl_cleanup)(struct drm_device *dev); 902 903 int major; 904 int minor; 905 int patchlevel; 906 char *name; 907 char *desc; 908 char *date; 909 910 u32 driver_features; 911 int dev_priv_size; 912 struct drm_ioctl_desc *ioctls; 913 int num_ioctls; 914 struct drm_bus *bus; 915 #ifdef COMPAT_FREEBSD32 916 struct drm_ioctl_desc *compat_ioctls; 917 int *num_compat_ioctls; 918 #endif 919 920 int buf_priv_size; 921 }; 922 923 #define DRM_MINOR_UNASSIGNED 0 924 #define DRM_MINOR_LEGACY 1 925 #define DRM_MINOR_CONTROL 2 926 #define DRM_MINOR_RENDER 3 927 928 /** 929 * DRM minor structure. This structure represents a drm minor number. 930 */ 931 struct drm_minor { 932 int index; /**< Minor device number */ 933 int type; /**< Control or render */ 934 struct cdev *device; /**< Device number for mknod */ 935 device_t kdev; /**< OS device */ 936 struct drm_device *dev; 937 938 struct drm_master *master; /* currently active master for this node */ 939 struct list_head master_list; 940 struct drm_mode_group mode_group; 941 942 struct sigio *buf_sigio; /* Processes waiting for SIGIO */ 943 }; 944 945 /* mode specified on the command line */ 946 struct drm_cmdline_mode { 947 bool specified; 948 bool refresh_specified; 949 bool bpp_specified; 950 int xres, yres; 951 int bpp; 952 int refresh; 953 bool rb; 954 bool interlace; 955 bool cvt; 956 bool margins; 957 enum drm_connector_force force; 958 }; 959 960 961 struct drm_pending_vblank_event { 962 struct drm_pending_event base; 963 int pipe; 964 struct drm_event_vblank event; 965 }; 966 967 /** 968 * DRM device structure. This structure represent a complete card that 969 * may contain multiple heads. 970 */ 971 struct drm_device { 972 int if_version; /**< Highest interface version set */ 973 974 /** \name Locks */ 975 /*@{ */ 976 struct mtx count_lock; /**< For inuse, drm_device::open_count, drm_device::buf_use */ 977 struct sx dev_struct_lock; /**< For others */ 978 /*@} */ 979 980 /** \name Usage Counters */ 981 /*@{ */ 982 int open_count; /**< Outstanding files open */ 983 atomic_t ioctl_count; /**< Outstanding IOCTLs pending */ 984 atomic_t vma_count; /**< Outstanding vma areas open */ 985 int buf_use; /**< Buffers in use -- cannot alloc */ 986 atomic_t buf_alloc; /**< Buffer allocation in progress */ 987 /*@} */ 988 989 /** \name Performance counters */ 990 /*@{ */ 991 unsigned long counters; 992 enum drm_stat_type types[15]; 993 atomic_t counts[15]; 994 /*@} */ 995 996 struct list_head filelist; 997 998 /** \name Memory management */ 999 /*@{ */ 1000 struct list_head maplist; /**< Linked list of regions */ 1001 int map_count; /**< Number of mappable regions */ 1002 struct drm_open_hash map_hash; /**< User token hash table for maps */ 1003 1004 /** \name Context handle management */ 1005 /*@{ */ 1006 struct list_head ctxlist; /**< Linked list of context handles */ 1007 int ctx_count; /**< Number of context handles */ 1008 struct mtx ctxlist_mutex; /**< For ctxlist */ 1009 drm_local_map_t **context_sareas; 1010 int max_context; 1011 unsigned long *ctx_bitmap; 1012 1013 /*@} */ 1014 1015 /** \name DMA support */ 1016 /*@{ */ 1017 struct drm_device_dma *dma; /**< Optional pointer for DMA support */ 1018 /*@} */ 1019 1020 /** \name Context support */ 1021 /*@{ */ 1022 int irq_enabled; /**< True if irq handler is enabled */ 1023 atomic_t context_flag; /**< Context swapping flag */ 1024 atomic_t interrupt_flag; /**< Interruption handler flag */ 1025 atomic_t dma_flag; /**< DMA dispatch flag */ 1026 wait_queue_head_t context_wait; /**< Processes waiting on ctx switch */ 1027 int last_checked; /**< Last context checked for DMA */ 1028 int last_context; /**< Last current context */ 1029 unsigned long last_switch; /**< jiffies at last context switch */ 1030 /*@} */ 1031 1032 /** \name VBLANK IRQ support */ 1033 /*@{ */ 1034 1035 /* 1036 * At load time, disabling the vblank interrupt won't be allowed since 1037 * old clients may not call the modeset ioctl and therefore misbehave. 1038 * Once the modeset ioctl *has* been called though, we can safely 1039 * disable them when unused. 1040 */ 1041 int vblank_disable_allowed; 1042 1043 atomic_t *_vblank_count; /**< number of VBLANK interrupts (driver must alloc the right number of counters) */ 1044 struct timeval *_vblank_time; /**< timestamp of current vblank_count (drivers must alloc right number of fields) */ 1045 struct mtx vblank_time_lock; /**< Protects vblank count and time updates during vblank enable/disable */ 1046 struct mtx vbl_lock; 1047 atomic_t *vblank_refcount; /* number of users of vblank interruptsper crtc */ 1048 u32 *last_vblank; /* protected by dev->vbl_lock, used */ 1049 /* for wraparound handling */ 1050 int *vblank_enabled; /* so we don't call enable more than 1051 once per disable */ 1052 int *vblank_inmodeset; /* Display driver is setting mode */ 1053 u32 *last_vblank_wait; /* Last vblank seqno waited per CRTC */ 1054 struct callout vblank_disable_callout; 1055 1056 u32 max_vblank_count; /**< size of vblank counter register */ 1057 1058 /** 1059 * List of events 1060 */ 1061 struct list_head vblank_event_list; 1062 struct mtx event_lock; 1063 1064 /*@} */ 1065 1066 struct drm_agp_head *agp; /**< AGP data */ 1067 1068 device_t dev; /* Device instance from newbus */ 1069 uint16_t pci_device; /* PCI device id */ 1070 uint16_t pci_vendor; /* PCI vendor id */ 1071 uint16_t pci_subdevice; /* PCI subsystem device id */ 1072 uint16_t pci_subvendor; /* PCI subsystem vendor id */ 1073 1074 struct drm_sg_mem *sg; /**< Scatter gather memory */ 1075 unsigned int num_crtcs; /**< Number of CRTCs on this device */ 1076 void *dev_private; /**< device private data */ 1077 void *mm_private; 1078 struct drm_sigdata sigdata; /**< For block_all_signals */ 1079 sigset_t sigmask; 1080 1081 struct drm_driver *driver; 1082 struct drm_local_map *agp_buffer_map; 1083 unsigned int agp_buffer_token; 1084 struct drm_minor *control; /**< Control node for card */ 1085 struct drm_minor *primary; /**< render type primary screen head */ 1086 1087 struct drm_mode_config mode_config; /**< Current mode config */ 1088 1089 /** \name GEM information */ 1090 /*@{ */ 1091 struct sx object_name_lock; 1092 struct drm_gem_names object_names; 1093 /*@} */ 1094 int switch_power_state; 1095 1096 atomic_t unplugged; /* device has been unplugged or gone away */ 1097 1098 /* Locks */ 1099 struct mtx dma_lock; /* protects dev->dma */ 1100 struct mtx irq_lock; /* protects irq condition checks */ 1101 1102 /* Context support */ 1103 int irq; /* Interrupt used by board */ 1104 int msi_enabled; /* MSI enabled */ 1105 int irqrid; /* Interrupt used by board */ 1106 struct resource *irqr; /* Resource for interrupt used by board */ 1107 void *irqh; /* Handle from bus_setup_intr */ 1108 1109 /* Storage of resource pointers for drm_get_resource_* */ 1110 #define DRM_MAX_PCI_RESOURCE 6 1111 struct resource *pcir[DRM_MAX_PCI_RESOURCE]; 1112 int pcirid[DRM_MAX_PCI_RESOURCE]; 1113 struct mtx pcir_lock; 1114 1115 int pci_domain; 1116 int pci_bus; 1117 int pci_slot; 1118 int pci_func; 1119 1120 /* Sysctl support */ 1121 struct drm_sysctl_info *sysctl; 1122 int sysctl_node_idx; 1123 1124 void *drm_ttm_bdev; 1125 1126 void *sysctl_private; 1127 char busid_str[128]; 1128 int modesetting; 1129 1130 const drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ 1131 }; 1132 1133 #define DRM_SWITCH_POWER_ON 0 1134 #define DRM_SWITCH_POWER_OFF 1 1135 #define DRM_SWITCH_POWER_CHANGING 2 1136 1137 static __inline__ int drm_core_check_feature(struct drm_device *dev, 1138 int feature) 1139 { 1140 return ((dev->driver->driver_features & feature) ? 1 : 0); 1141 } 1142 1143 static inline int drm_dev_to_irq(struct drm_device *dev) 1144 { 1145 return dev->driver->bus->get_irq(dev); 1146 } 1147 1148 1149 #if __OS_HAS_AGP 1150 static inline int drm_core_has_AGP(struct drm_device *dev) 1151 { 1152 return drm_core_check_feature(dev, DRIVER_USE_AGP); 1153 } 1154 #else 1155 #define drm_core_has_AGP(dev) (0) 1156 #endif 1157 1158 #if __OS_HAS_MTRR 1159 static inline int drm_core_has_MTRR(struct drm_device *dev) 1160 { 1161 return drm_core_check_feature(dev, DRIVER_USE_MTRR); 1162 } 1163 1164 #define DRM_MTRR_WC MDF_WRITECOMBINE 1165 1166 int drm_mtrr_add(unsigned long offset, unsigned long size, unsigned int flags); 1167 int drm_mtrr_del(int handle, unsigned long offset, unsigned long size, unsigned int flags); 1168 1169 #else 1170 #define drm_core_has_MTRR(dev) (0) 1171 1172 #define DRM_MTRR_WC 0 1173 1174 static inline int drm_mtrr_add(unsigned long offset, unsigned long size, 1175 unsigned int flags) 1176 { 1177 return 0; 1178 } 1179 1180 static inline int drm_mtrr_del(int handle, unsigned long offset, 1181 unsigned long size, unsigned int flags) 1182 { 1183 return 0; 1184 } 1185 #endif 1186 1187 /******************************************************************/ 1188 /** \name Internal function definitions */ 1189 /*@{*/ 1190 1191 /* Driver support (drm_drv.h) */ 1192 d_ioctl_t drm_ioctl; 1193 extern int drm_lastclose(struct drm_device *dev); 1194 1195 /* Device support (drm_fops.h) */ 1196 extern struct sx drm_global_mutex; 1197 d_open_t drm_open; 1198 d_read_t drm_read; 1199 extern void drm_release(void *data); 1200 1201 /* Mapping support (drm_vm.h) */ 1202 d_mmap_t drm_mmap; 1203 int drm_mmap_single(struct cdev *kdev, vm_ooffset_t *offset, 1204 vm_size_t size, struct vm_object **obj_res, int nprot); 1205 d_poll_t drm_poll; 1206 1207 1208 /* Misc. IOCTL support (drm_ioctl.h) */ 1209 extern int drm_irq_by_busid(struct drm_device *dev, void *data, 1210 struct drm_file *file_priv); 1211 extern int drm_getunique(struct drm_device *dev, void *data, 1212 struct drm_file *file_priv); 1213 extern int drm_setunique(struct drm_device *dev, void *data, 1214 struct drm_file *file_priv); 1215 extern int drm_getmap(struct drm_device *dev, void *data, 1216 struct drm_file *file_priv); 1217 extern int drm_getclient(struct drm_device *dev, void *data, 1218 struct drm_file *file_priv); 1219 extern int drm_getstats(struct drm_device *dev, void *data, 1220 struct drm_file *file_priv); 1221 extern int drm_getcap(struct drm_device *dev, void *data, 1222 struct drm_file *file_priv); 1223 extern int drm_setversion(struct drm_device *dev, void *data, 1224 struct drm_file *file_priv); 1225 extern int drm_noop(struct drm_device *dev, void *data, 1226 struct drm_file *file_priv); 1227 1228 /* Context IOCTL support (drm_context.h) */ 1229 extern int drm_resctx(struct drm_device *dev, void *data, 1230 struct drm_file *file_priv); 1231 extern int drm_addctx(struct drm_device *dev, void *data, 1232 struct drm_file *file_priv); 1233 extern int drm_modctx(struct drm_device *dev, void *data, 1234 struct drm_file *file_priv); 1235 extern int drm_getctx(struct drm_device *dev, void *data, 1236 struct drm_file *file_priv); 1237 extern int drm_switchctx(struct drm_device *dev, void *data, 1238 struct drm_file *file_priv); 1239 extern int drm_newctx(struct drm_device *dev, void *data, 1240 struct drm_file *file_priv); 1241 extern int drm_rmctx(struct drm_device *dev, void *data, 1242 struct drm_file *file_priv); 1243 1244 extern int drm_ctxbitmap_init(struct drm_device *dev); 1245 extern void drm_ctxbitmap_cleanup(struct drm_device *dev); 1246 extern void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle); 1247 1248 extern int drm_setsareactx(struct drm_device *dev, void *data, 1249 struct drm_file *file_priv); 1250 extern int drm_getsareactx(struct drm_device *dev, void *data, 1251 struct drm_file *file_priv); 1252 1253 /* Authentication IOCTL support (drm_auth.h) */ 1254 extern int drm_getmagic(struct drm_device *dev, void *data, 1255 struct drm_file *file_priv); 1256 extern int drm_authmagic(struct drm_device *dev, void *data, 1257 struct drm_file *file_priv); 1258 extern int drm_remove_magic(struct drm_master *master, drm_magic_t magic); 1259 1260 /* Cache management (drm_cache.c) */ 1261 void drm_clflush_pages(vm_page_t *pages, unsigned long num_pages); 1262 void drm_clflush_virt_range(char *addr, unsigned long length); 1263 1264 /* Locking IOCTL support (drm_lock.h) */ 1265 extern int drm_lock(struct drm_device *dev, void *data, 1266 struct drm_file *file_priv); 1267 extern int drm_unlock(struct drm_device *dev, void *data, 1268 struct drm_file *file_priv); 1269 extern int drm_lock_free(struct drm_lock_data *lock_data, unsigned int context); 1270 extern void drm_idlelock_take(struct drm_lock_data *lock_data); 1271 extern void drm_idlelock_release(struct drm_lock_data *lock_data); 1272 1273 /* 1274 * These are exported to drivers so that they can implement fencing using 1275 * DMA quiscent + idle. DMA quiescent usually requires the hardware lock. 1276 */ 1277 1278 extern int drm_i_have_hw_lock(struct drm_device *dev, struct drm_file *file_priv); 1279 1280 /* Buffer management support (drm_bufs.h) */ 1281 extern int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc * request); 1282 extern int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc * request); 1283 extern int drm_addmap(struct drm_device *dev, resource_size_t offset, 1284 unsigned int size, enum drm_map_type type, 1285 enum drm_map_flags flags, struct drm_local_map **map_ptr); 1286 extern int drm_addmap_ioctl(struct drm_device *dev, void *data, 1287 struct drm_file *file_priv); 1288 extern int drm_rmmap(struct drm_device *dev, struct drm_local_map *map); 1289 extern int drm_rmmap_locked(struct drm_device *dev, struct drm_local_map *map); 1290 extern int drm_rmmap_ioctl(struct drm_device *dev, void *data, 1291 struct drm_file *file_priv); 1292 extern int drm_addbufs(struct drm_device *dev, void *data, 1293 struct drm_file *file_priv); 1294 extern int drm_infobufs(struct drm_device *dev, void *data, 1295 struct drm_file *file_priv); 1296 extern int drm_markbufs(struct drm_device *dev, void *data, 1297 struct drm_file *file_priv); 1298 extern int drm_freebufs(struct drm_device *dev, void *data, 1299 struct drm_file *file_priv); 1300 extern int drm_mapbufs(struct drm_device *dev, void *data, 1301 struct drm_file *file_priv); 1302 extern int drm_order(unsigned long size); 1303 1304 /* DMA support (drm_dma.h) */ 1305 extern int drm_dma_setup(struct drm_device *dev); 1306 extern void drm_dma_takedown(struct drm_device *dev); 1307 extern void drm_free_buffer(struct drm_device *dev, struct drm_buf * buf); 1308 extern void drm_core_reclaim_buffers(struct drm_device *dev, 1309 struct drm_file *filp); 1310 1311 /* IRQ support (drm_irq.h) */ 1312 extern int drm_control(struct drm_device *dev, void *data, 1313 struct drm_file *file_priv); 1314 extern int drm_irq_install(struct drm_device *dev); 1315 extern int drm_irq_uninstall(struct drm_device *dev); 1316 1317 extern int drm_vblank_init(struct drm_device *dev, int num_crtcs); 1318 extern int drm_wait_vblank(struct drm_device *dev, void *data, 1319 struct drm_file *filp); 1320 extern int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq); 1321 extern u32 drm_vblank_count(struct drm_device *dev, int crtc); 1322 extern u32 drm_vblank_count_and_time(struct drm_device *dev, int crtc, 1323 struct timeval *vblanktime); 1324 extern void drm_send_vblank_event(struct drm_device *dev, int crtc, 1325 struct drm_pending_vblank_event *e); 1326 extern bool drm_handle_vblank(struct drm_device *dev, int crtc); 1327 extern int drm_vblank_get(struct drm_device *dev, int crtc); 1328 extern void drm_vblank_put(struct drm_device *dev, int crtc); 1329 extern void drm_vblank_off(struct drm_device *dev, int crtc); 1330 extern void drm_vblank_cleanup(struct drm_device *dev); 1331 extern u32 drm_get_last_vbltimestamp(struct drm_device *dev, int crtc, 1332 struct timeval *tvblank, unsigned flags); 1333 extern int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev, 1334 int crtc, int *max_error, 1335 struct timeval *vblank_time, 1336 unsigned flags, 1337 struct drm_crtc *refcrtc); 1338 extern void drm_calc_timestamping_constants(struct drm_crtc *crtc); 1339 1340 extern bool 1341 drm_mode_parse_command_line_for_connector(const char *mode_option, 1342 struct drm_connector *connector, 1343 struct drm_cmdline_mode *mode); 1344 1345 extern struct drm_display_mode * 1346 drm_mode_create_from_cmdline_mode(struct drm_device *dev, 1347 struct drm_cmdline_mode *cmd); 1348 1349 /* Modesetting support */ 1350 extern void drm_vblank_pre_modeset(struct drm_device *dev, int crtc); 1351 extern void drm_vblank_post_modeset(struct drm_device *dev, int crtc); 1352 extern int drm_modeset_ctl(struct drm_device *dev, void *data, 1353 struct drm_file *file_priv); 1354 1355 1356 /* Stub support (drm_stub.h) */ 1357 extern int drm_setmaster_ioctl(struct drm_device *dev, void *data, 1358 struct drm_file *file_priv); 1359 extern int drm_dropmaster_ioctl(struct drm_device *dev, void *data, 1360 struct drm_file *file_priv); 1361 struct drm_master *drm_master_create(struct drm_minor *minor); 1362 extern struct drm_master *drm_master_get(struct drm_master *master); 1363 extern void drm_master_put(struct drm_master **master); 1364 1365 extern void drm_put_dev(struct drm_device *dev); 1366 extern int drm_put_minor(struct drm_minor **minor); 1367 extern void drm_unplug_dev(struct drm_device *dev); 1368 extern unsigned int drm_debug; 1369 extern unsigned int drm_notyet; 1370 1371 extern unsigned int drm_vblank_offdelay; 1372 extern unsigned int drm_timestamp_precision; 1373 extern unsigned int drm_timestamp_monotonic; 1374 1375 extern struct drm_local_map *drm_getsarea(struct drm_device *dev); 1376 1377 1378 #ifdef FREEBSD_NOTYET 1379 extern int drm_gem_prime_handle_to_fd(struct drm_device *dev, 1380 struct drm_file *file_priv, uint32_t handle, uint32_t flags, 1381 int *prime_fd); 1382 extern int drm_gem_prime_fd_to_handle(struct drm_device *dev, 1383 struct drm_file *file_priv, int prime_fd, uint32_t *handle); 1384 1385 extern int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data, 1386 struct drm_file *file_priv); 1387 extern int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data, 1388 struct drm_file *file_priv); 1389 1390 extern int drm_prime_sg_to_page_addr_arrays(struct sg_table *sgt, vm_page_t *pages, 1391 dma_addr_t *addrs, int max_pages); 1392 extern struct sg_table *drm_prime_pages_to_sg(vm_page_t *pages, int nr_pages); 1393 extern void drm_prime_gem_destroy(struct drm_gem_object *obj, struct sg_table *sg); 1394 1395 1396 void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv); 1397 void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv); 1398 int drm_prime_add_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t handle); 1399 int drm_prime_lookup_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t *handle); 1400 void drm_prime_remove_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf); 1401 1402 int drm_prime_add_dma_buf(struct drm_device *dev, struct drm_gem_object *obj); 1403 int drm_prime_lookup_obj(struct drm_device *dev, struct dma_buf *buf, 1404 struct drm_gem_object **obj); 1405 #endif /* FREEBSD_NOTYET */ 1406 1407 /* Scatter Gather Support (drm_scatter.h) */ 1408 extern void drm_sg_cleanup(struct drm_sg_mem * entry); 1409 extern int drm_sg_alloc_ioctl(struct drm_device *dev, void *data, 1410 struct drm_file *file_priv); 1411 extern int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request); 1412 extern int drm_sg_free(struct drm_device *dev, void *data, 1413 struct drm_file *file_priv); 1414 1415 /* ATI PCIGART support (ati_pcigart.h) */ 1416 extern int drm_ati_pcigart_init(struct drm_device *dev, 1417 struct drm_ati_pcigart_info * gart_info); 1418 extern int drm_ati_pcigart_cleanup(struct drm_device *dev, 1419 struct drm_ati_pcigart_info * gart_info); 1420 1421 extern drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size, 1422 size_t align, dma_addr_t maxaddr); 1423 extern void __drm_pci_free(struct drm_device *dev, drm_dma_handle_t * dmah); 1424 extern void drm_pci_free(struct drm_device *dev, drm_dma_handle_t * dmah); 1425 1426 /* Graphics Execution Manager library functions (drm_gem.c) */ 1427 int drm_gem_init(struct drm_device *dev); 1428 void drm_gem_destroy(struct drm_device *dev); 1429 void drm_gem_object_release(struct drm_gem_object *obj); 1430 void drm_gem_object_free(struct drm_gem_object *obj); 1431 struct drm_gem_object *drm_gem_object_alloc(struct drm_device *dev, 1432 size_t size); 1433 int drm_gem_object_init(struct drm_device *dev, 1434 struct drm_gem_object *obj, size_t size); 1435 int drm_gem_private_object_init(struct drm_device *dev, 1436 struct drm_gem_object *obj, size_t size); 1437 void drm_gem_object_handle_free(struct drm_gem_object *obj); 1438 int drm_gem_mmap_single(struct drm_device *dev, vm_ooffset_t *offset, 1439 vm_size_t size, struct vm_object **obj_res, int nprot); 1440 void drm_gem_pager_dtr(void *obj); 1441 1442 #include <dev/drm2/drm_global.h> 1443 1444 static inline void 1445 drm_gem_object_reference(struct drm_gem_object *obj) 1446 { 1447 1448 KASSERT(obj->refcount > 0, ("Dangling obj %p", obj)); 1449 refcount_acquire(&obj->refcount); 1450 } 1451 1452 static inline void 1453 drm_gem_object_unreference(struct drm_gem_object *obj) 1454 { 1455 1456 if (obj == NULL) 1457 return; 1458 if (refcount_release(&obj->refcount)) 1459 drm_gem_object_free(obj); 1460 } 1461 1462 static inline void 1463 drm_gem_object_unreference_unlocked(struct drm_gem_object *obj) 1464 { 1465 if (obj != NULL) { 1466 struct drm_device *dev = obj->dev; 1467 DRM_LOCK(dev); 1468 drm_gem_object_unreference(obj); 1469 DRM_UNLOCK(dev); 1470 } 1471 } 1472 1473 int drm_gem_handle_create(struct drm_file *file_priv, 1474 struct drm_gem_object *obj, 1475 u32 *handlep); 1476 int drm_gem_handle_delete(struct drm_file *filp, u32 handle); 1477 1478 static inline void 1479 drm_gem_object_handle_reference(struct drm_gem_object *obj) 1480 { 1481 drm_gem_object_reference(obj); 1482 atomic_inc(&obj->handle_count); 1483 } 1484 1485 static inline void 1486 drm_gem_object_handle_unreference(struct drm_gem_object *obj) 1487 { 1488 if (obj == NULL) 1489 return; 1490 1491 if (atomic_read(&obj->handle_count) == 0) 1492 return; 1493 /* 1494 * Must bump handle count first as this may be the last 1495 * ref, in which case the object would disappear before we 1496 * checked for a name 1497 */ 1498 if (atomic_dec_and_test(&obj->handle_count)) 1499 drm_gem_object_handle_free(obj); 1500 drm_gem_object_unreference(obj); 1501 } 1502 1503 static inline void 1504 drm_gem_object_handle_unreference_unlocked(struct drm_gem_object *obj) 1505 { 1506 if (obj == NULL) 1507 return; 1508 1509 if (atomic_read(&obj->handle_count) == 0) 1510 return; 1511 1512 /* 1513 * Must bump handle count first as this may be the last 1514 * ref, in which case the object would disappear before we 1515 * checked for a name 1516 */ 1517 1518 if (atomic_dec_and_test(&obj->handle_count)) 1519 drm_gem_object_handle_free(obj); 1520 drm_gem_object_unreference_unlocked(obj); 1521 } 1522 1523 void drm_gem_free_mmap_offset(struct drm_gem_object *obj); 1524 int drm_gem_create_mmap_offset(struct drm_gem_object *obj); 1525 1526 struct drm_gem_object *drm_gem_object_lookup(struct drm_device *dev, 1527 struct drm_file *filp, 1528 u32 handle); 1529 int drm_gem_close_ioctl(struct drm_device *dev, void *data, 1530 struct drm_file *file_priv); 1531 int drm_gem_flink_ioctl(struct drm_device *dev, void *data, 1532 struct drm_file *file_priv); 1533 int drm_gem_open_ioctl(struct drm_device *dev, void *data, 1534 struct drm_file *file_priv); 1535 void drm_gem_open(struct drm_device *dev, struct drm_file *file_private); 1536 void drm_gem_release(struct drm_device *dev, struct drm_file *file_private); 1537 1538 extern void drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev); 1539 extern void drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev); 1540 extern void drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev); 1541 1542 static __inline__ struct drm_local_map *drm_core_findmap(struct drm_device *dev, 1543 unsigned int token) 1544 { 1545 struct drm_map_list *_entry; 1546 list_for_each_entry(_entry, &dev->maplist, head) 1547 if (_entry->user_token == token) 1548 return _entry->map; 1549 return NULL; 1550 } 1551 1552 static __inline__ void drm_core_dropmap(struct drm_local_map *map) 1553 { 1554 } 1555 1556 #include <dev/drm2/drm_mem_util.h> 1557 1558 extern int drm_fill_in_dev(struct drm_device *dev, 1559 struct drm_driver *driver); 1560 extern void drm_cancel_fill_in_dev(struct drm_device *dev); 1561 int drm_get_minor(struct drm_device *dev, struct drm_minor **minor, int type); 1562 /*@}*/ 1563 1564 /* PCI section */ 1565 int drm_pci_device_is_agp(struct drm_device *dev); 1566 int drm_pci_device_is_pcie(struct drm_device *dev); 1567 1568 extern int drm_get_pci_dev(device_t kdev, struct drm_device *dev, 1569 struct drm_driver *driver); 1570 1571 #define DRM_PCIE_SPEED_25 1 1572 #define DRM_PCIE_SPEED_50 2 1573 #define DRM_PCIE_SPEED_80 4 1574 1575 extern int drm_pcie_get_speed_cap_mask(struct drm_device *dev, u32 *speed_mask); 1576 1577 #define drm_can_sleep() (DRM_HZ & 1) 1578 1579 /* Platform section */ 1580 int drm_get_platform_dev(device_t kdev, struct drm_device *dev, 1581 struct drm_driver *driver); 1582 1583 /* FreeBSD specific -- should be moved to drm_os_freebsd.h */ 1584 1585 #define DRM_GEM_MAPPING_MASK (3ULL << 62) 1586 #define DRM_GEM_MAPPING_KEY (2ULL << 62) /* Non-canonical address form */ 1587 #define DRM_GEM_MAX_IDX 0x3fffff 1588 #define DRM_GEM_MAPPING_IDX(o) (((o) >> 40) & DRM_GEM_MAX_IDX) 1589 #define DRM_GEM_MAPPING_OFF(i) (((uint64_t)(i)) << 40) 1590 #define DRM_GEM_MAPPING_MAPOFF(o) \ 1591 ((o) & ~(DRM_GEM_MAPPING_OFF(DRM_GEM_MAX_IDX) | DRM_GEM_MAPPING_KEY)) 1592 1593 SYSCTL_DECL(_hw_drm); 1594 1595 #define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP) 1596 #define DRM_DEV_UID UID_ROOT 1597 #define DRM_DEV_GID GID_VIDEO 1598 1599 #define DRM_WAKEUP(w) wakeup((void *)w) 1600 #define DRM_WAKEUP_INT(w) wakeup(w) 1601 #define DRM_INIT_WAITQUEUE(queue) do {(void)(queue);} while (0) 1602 1603 #define DRM_CURPROC curthread 1604 #define DRM_STRUCTPROC struct thread 1605 #define DRM_SPINTYPE struct mtx 1606 #define DRM_SPININIT(l,name) mtx_init(l, name, NULL, MTX_DEF) 1607 #define DRM_SPINUNINIT(l) mtx_destroy(l) 1608 #define DRM_SPINLOCK(l) mtx_lock(l) 1609 #define DRM_SPINUNLOCK(u) mtx_unlock(u) 1610 #define DRM_SPINLOCK_IRQSAVE(l, irqflags) do { \ 1611 mtx_lock(l); \ 1612 (void)irqflags; \ 1613 } while (0) 1614 #define DRM_SPINUNLOCK_IRQRESTORE(u, irqflags) mtx_unlock(u) 1615 #define DRM_SPINLOCK_ASSERT(l) mtx_assert(l, MA_OWNED) 1616 #define DRM_LOCK_SLEEP(dev, chan, flags, msg, timeout) \ 1617 (sx_sleep((chan), &(dev)->dev_struct_lock, (flags), (msg), (timeout))) 1618 #if defined(INVARIANTS) 1619 #define DRM_LOCK_ASSERT(dev) sx_assert(&(dev)->dev_struct_lock, SA_XLOCKED) 1620 #define DRM_UNLOCK_ASSERT(dev) sx_assert(&(dev)->dev_struct_lock, SA_UNLOCKED) 1621 #else 1622 #define DRM_LOCK_ASSERT(d) 1623 #define DRM_UNLOCK_ASSERT(d) 1624 #endif 1625 1626 #define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS) 1627 1628 enum { 1629 DRM_IS_NOT_AGP, 1630 DRM_IS_AGP, 1631 DRM_MIGHT_BE_AGP 1632 }; 1633 1634 #define DRM_VERIFYAREA_READ( uaddr, size ) \ 1635 (!useracc(__DECONST(caddr_t, uaddr), size, VM_PROT_READ)) 1636 1637 #define DRM_COPY_TO_USER(user, kern, size) \ 1638 copyout(kern, user, size) 1639 #define DRM_COPY_FROM_USER(kern, user, size) \ 1640 copyin(user, kern, size) 1641 #define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \ 1642 copyin(arg2, arg1, arg3) 1643 #define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \ 1644 copyout(arg2, arg1, arg3) 1645 #define DRM_GET_USER_UNCHECKED(val, uaddr) \ 1646 ((val) = fuword32(uaddr), 0) 1647 1648 #define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \ 1649 (_map) = (_dev)->context_sareas[_ctx]; \ 1650 } while(0) 1651 1652 /* Returns -errno to shared code */ 1653 #define DRM_WAIT_ON( ret, queue, timeout, condition ) \ 1654 for ( ret = 0 ; !ret && !(condition) ; ) { \ 1655 DRM_UNLOCK(dev); \ 1656 mtx_lock(&dev->irq_lock); \ 1657 if (!(condition)) \ 1658 ret = -mtx_sleep(&(queue), &dev->irq_lock, \ 1659 PCATCH, "drmwtq", (timeout)); \ 1660 if (ret == -ERESTART) \ 1661 ret = -ERESTARTSYS; \ 1662 mtx_unlock(&dev->irq_lock); \ 1663 DRM_LOCK(dev); \ 1664 } 1665 1666 #define dev_err(dev, fmt, ...) \ 1667 device_printf((dev), "error: " fmt, ## __VA_ARGS__) 1668 #define dev_warn(dev, fmt, ...) \ 1669 device_printf((dev), "warning: " fmt, ## __VA_ARGS__) 1670 #define dev_info(dev, fmt, ...) \ 1671 device_printf((dev), "info: " fmt, ## __VA_ARGS__) 1672 #define dev_dbg(dev, fmt, ...) do { \ 1673 if ((drm_debug& DRM_DEBUGBITS_KMS) != 0) { \ 1674 device_printf((dev), "debug: " fmt, ## __VA_ARGS__); \ 1675 } \ 1676 } while (0) 1677 1678 struct drm_msi_blacklist_entry 1679 { 1680 int vendor; 1681 int device; 1682 }; 1683 1684 struct drm_vblank_info { 1685 wait_queue_head_t queue; /* vblank wait queue */ 1686 atomic_t count; /* number of VBLANK interrupts */ 1687 /* (driver must alloc the right number of counters) */ 1688 atomic_t refcount; /* number of users of vblank interrupts */ 1689 u32 last; /* protected by dev->vbl_lock, used */ 1690 /* for wraparound handling */ 1691 int enabled; /* so we don't call enable more than */ 1692 /* once per disable */ 1693 int inmodeset; /* Display driver is setting mode */ 1694 }; 1695 1696 #ifndef DMA_BIT_MASK 1697 #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : (1ULL<<(n)) - 1) 1698 #endif 1699 1700 #define upper_32_bits(n) ((u32)(((n) >> 16) >> 16)) 1701 1702 enum dmi_field { 1703 DMI_NONE, 1704 DMI_BIOS_VENDOR, 1705 DMI_BIOS_VERSION, 1706 DMI_BIOS_DATE, 1707 DMI_SYS_VENDOR, 1708 DMI_PRODUCT_NAME, 1709 DMI_PRODUCT_VERSION, 1710 DMI_PRODUCT_SERIAL, 1711 DMI_PRODUCT_UUID, 1712 DMI_BOARD_VENDOR, 1713 DMI_BOARD_NAME, 1714 DMI_BOARD_VERSION, 1715 DMI_BOARD_SERIAL, 1716 DMI_BOARD_ASSET_TAG, 1717 DMI_CHASSIS_VENDOR, 1718 DMI_CHASSIS_TYPE, 1719 DMI_CHASSIS_VERSION, 1720 DMI_CHASSIS_SERIAL, 1721 DMI_CHASSIS_ASSET_TAG, 1722 DMI_STRING_MAX, 1723 }; 1724 1725 struct dmi_strmatch { 1726 unsigned char slot; 1727 char substr[79]; 1728 }; 1729 1730 struct dmi_system_id { 1731 int (*callback)(const struct dmi_system_id *); 1732 const char *ident; 1733 struct dmi_strmatch matches[4]; 1734 }; 1735 #define DMI_MATCH(a, b) {(a), (b)} 1736 bool dmi_check_system(const struct dmi_system_id *); 1737 1738 /* Device setup support (drm_drv.c) */ 1739 int drm_probe_helper(device_t kdev, const drm_pci_id_list_t *idlist); 1740 int drm_attach_helper(device_t kdev, const drm_pci_id_list_t *idlist, 1741 struct drm_driver *driver); 1742 int drm_generic_suspend(device_t kdev); 1743 int drm_generic_resume(device_t kdev); 1744 int drm_generic_detach(device_t kdev); 1745 1746 void drm_event_wakeup(struct drm_pending_event *e); 1747 1748 int drm_add_busid_modesetting(struct drm_device *dev, 1749 struct sysctl_ctx_list *ctx, struct sysctl_oid *top); 1750 1751 /* Buffer management support (drm_bufs.c) */ 1752 unsigned long drm_get_resource_start(struct drm_device *dev, 1753 unsigned int resource); 1754 unsigned long drm_get_resource_len(struct drm_device *dev, 1755 unsigned int resource); 1756 1757 /* IRQ support (drm_irq.c) */ 1758 irqreturn_t drm_irq_handler(DRM_IRQ_ARGS); 1759 void drm_driver_irq_preinstall(struct drm_device *dev); 1760 void drm_driver_irq_postinstall(struct drm_device *dev); 1761 void drm_driver_irq_uninstall(struct drm_device *dev); 1762 1763 /* sysctl support (drm_sysctl.h) */ 1764 extern int drm_sysctl_init(struct drm_device *dev); 1765 extern int drm_sysctl_cleanup(struct drm_device *dev); 1766 1767 int drm_version(struct drm_device *dev, void *data, 1768 struct drm_file *file_priv); 1769 1770 /* consistent PCI memory functions (drm_pci.c) */ 1771 int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master); 1772 int drm_pci_set_unique(struct drm_device *dev, struct drm_master *master, 1773 struct drm_unique *u); 1774 int drm_pci_agp_init(struct drm_device *dev); 1775 int drm_pci_enable_msi(struct drm_device *dev); 1776 void drm_pci_disable_msi(struct drm_device *dev); 1777 1778 struct ttm_bo_device; 1779 int ttm_bo_mmap_single(struct ttm_bo_device *bdev, vm_ooffset_t *offset, 1780 vm_size_t size, struct vm_object **obj_res, int nprot); 1781 struct ttm_buffer_object; 1782 void ttm_bo_release_mmap(struct ttm_buffer_object *bo); 1783 1784 #if __OS_HAS_AGP 1785 /* Memory management support (drm_memory.h) */ 1786 extern void drm_free_agp(DRM_AGP_MEM * handle, int pages); 1787 extern int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start); 1788 #ifdef FREEBSD_NOTYET 1789 extern DRM_AGP_MEM *drm_agp_bind_pages(struct drm_device *dev, 1790 struct page **pages, 1791 unsigned long num_pages, 1792 uint32_t gtt_offset, 1793 uint32_t type); 1794 #endif /* FREEBSD_NOTYET */ 1795 extern int drm_unbind_agp(DRM_AGP_MEM * handle); 1796 1797 /* AGP/GART support (drm_agpsupport.h) */ 1798 extern struct drm_agp_head *drm_agp_init(struct drm_device *dev); 1799 extern int drm_agp_acquire(struct drm_device *dev); 1800 extern int drm_agp_acquire_ioctl(struct drm_device *dev, void *data, 1801 struct drm_file *file_priv); 1802 extern int drm_agp_release(struct drm_device *dev); 1803 extern int drm_agp_release_ioctl(struct drm_device *dev, void *data, 1804 struct drm_file *file_priv); 1805 extern int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode); 1806 extern int drm_agp_enable_ioctl(struct drm_device *dev, void *data, 1807 struct drm_file *file_priv); 1808 extern int drm_agp_info(struct drm_device *dev, struct drm_agp_info *info); 1809 extern int drm_agp_info_ioctl(struct drm_device *dev, void *data, 1810 struct drm_file *file_priv); 1811 extern int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request); 1812 extern int drm_agp_alloc_ioctl(struct drm_device *dev, void *data, 1813 struct drm_file *file_priv); 1814 extern int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request); 1815 extern int drm_agp_free_ioctl(struct drm_device *dev, void *data, 1816 struct drm_file *file_priv); 1817 extern int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request); 1818 extern int drm_agp_unbind_ioctl(struct drm_device *dev, void *data, 1819 struct drm_file *file_priv); 1820 extern int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request); 1821 extern int drm_agp_bind_ioctl(struct drm_device *dev, void *data, 1822 struct drm_file *file_priv); 1823 1824 #else 1825 1826 static inline void drm_free_agp(DRM_AGP_MEM * handle, int pages) 1827 { 1828 } 1829 1830 static inline int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start) 1831 { 1832 return -ENODEV; 1833 } 1834 1835 static inline int drm_unbind_agp(DRM_AGP_MEM * handle) 1836 { 1837 return -ENODEV; 1838 } 1839 #ifdef FREEBSD_NOTYET 1840 static inline struct agp_memory *drm_agp_bind_pages(struct drm_device *dev, 1841 struct page **pages, 1842 unsigned long num_pages, 1843 uint32_t gtt_offset, 1844 uint32_t type) 1845 { 1846 return NULL; 1847 } 1848 #endif 1849 static inline struct drm_agp_head *drm_agp_init(struct drm_device *dev) 1850 { 1851 return NULL; 1852 } 1853 1854 static inline void drm_agp_clear(struct drm_device *dev) 1855 { 1856 } 1857 1858 static inline int drm_agp_acquire(struct drm_device *dev) 1859 { 1860 return -ENODEV; 1861 } 1862 1863 static inline int drm_agp_acquire_ioctl(struct drm_device *dev, void *data, 1864 struct drm_file *file_priv) 1865 { 1866 return -ENODEV; 1867 } 1868 1869 static inline int drm_agp_release(struct drm_device *dev) 1870 { 1871 return -ENODEV; 1872 } 1873 1874 static inline int drm_agp_release_ioctl(struct drm_device *dev, void *data, 1875 struct drm_file *file_priv) 1876 { 1877 return -ENODEV; 1878 } 1879 1880 static inline int drm_agp_enable(struct drm_device *dev, 1881 struct drm_agp_mode mode) 1882 { 1883 return -ENODEV; 1884 } 1885 1886 static inline int drm_agp_enable_ioctl(struct drm_device *dev, void *data, 1887 struct drm_file *file_priv) 1888 { 1889 return -ENODEV; 1890 } 1891 1892 static inline int drm_agp_info(struct drm_device *dev, 1893 struct drm_agp_info *info) 1894 { 1895 return -ENODEV; 1896 } 1897 1898 static inline int drm_agp_info_ioctl(struct drm_device *dev, void *data, 1899 struct drm_file *file_priv) 1900 { 1901 return -ENODEV; 1902 } 1903 1904 static inline int drm_agp_alloc(struct drm_device *dev, 1905 struct drm_agp_buffer *request) 1906 { 1907 return -ENODEV; 1908 } 1909 1910 static inline int drm_agp_alloc_ioctl(struct drm_device *dev, void *data, 1911 struct drm_file *file_priv) 1912 { 1913 return -ENODEV; 1914 } 1915 1916 static inline int drm_agp_free(struct drm_device *dev, 1917 struct drm_agp_buffer *request) 1918 { 1919 return -ENODEV; 1920 } 1921 1922 static inline int drm_agp_free_ioctl(struct drm_device *dev, void *data, 1923 struct drm_file *file_priv) 1924 { 1925 return -ENODEV; 1926 } 1927 1928 static inline int drm_agp_unbind(struct drm_device *dev, 1929 struct drm_agp_binding *request) 1930 { 1931 return -ENODEV; 1932 } 1933 1934 static inline int drm_agp_unbind_ioctl(struct drm_device *dev, void *data, 1935 struct drm_file *file_priv) 1936 { 1937 return -ENODEV; 1938 } 1939 1940 static inline int drm_agp_bind(struct drm_device *dev, 1941 struct drm_agp_binding *request) 1942 { 1943 return -ENODEV; 1944 } 1945 1946 static inline int drm_agp_bind_ioctl(struct drm_device *dev, void *data, 1947 struct drm_file *file_priv) 1948 { 1949 return -ENODEV; 1950 } 1951 1952 #endif /* __OS_HAS_AGP */ 1953 1954 #endif /* __KERNEL__ */ 1955 #endif 1956