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