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/limits.h> 56#include <sys/lock.h> 57#include <sys/fcntl.h> 58#include <sys/uio.h> 59#include <sys/filio.h> 60#include <sys/rwlock.h> 61#include <sys/selinfo.h> 62#include <sys/sysctl.h> 63#include <sys/bus.h> 64#include <sys/queue.h> 65#include <sys/signalvar.h> 66#include <sys/poll.h> 67#include <sys/sbuf.h> 68#include <sys/taskqueue.h> 69#include <sys/tree.h> 70#include <sys/vmmeter.h> 71#include <vm/vm.h> 72#include <vm/pmap.h> 73#include <vm/vm_extern.h> 74#include <vm/vm_kern.h> 75#include <vm/vm_map.h> 76#include <vm/vm_object.h> 77#include <vm/vm_page.h> 78#include <vm/vm_pager.h> 79#include <vm/vm_param.h> 80#include <vm/vm_phys.h> 81#include <machine/bus.h> 82#include <machine/resource.h> 83#if defined(__i386__) || defined(__amd64__) 84#include <machine/specialreg.h> 85#endif 86#include <machine/sysarch.h> 87#include <sys/endian.h> 88#include <sys/mman.h> 89#include <sys/rman.h> 90#include <sys/memrange.h> 91#include <dev/agp/agpvar.h> 92#include <sys/agpio.h> 93#include <sys/mutex.h> 94#include <dev/pci/pcivar.h> 95#include <dev/pci/pcireg.h> 96#include <sys/selinfo.h> 97#include <sys/bus.h> 98 99#include <dev/drm2/drm.h> 100#include <dev/drm2/drm_sarea.h> 101 102#include <dev/drm2/drm_atomic.h> 103#include <dev/drm2/drm_linux_list.h> 104#include <dev/drm2/drm_gem_names.h> 105 106#include <dev/drm2/drm_os_freebsd.h> 107 108#if defined(CONFIG_AGP) || (defined(CONFIG_AGP_MODULE) && defined(MODULE)) 109#define __OS_HAS_AGP 1 110#else 111#define __OS_HAS_AGP 0 112#endif 113#if defined(CONFIG_MTRR) 114#define __OS_HAS_MTRR 1 115#else 116#define __OS_HAS_MTRR 0 117#endif 118 119struct drm_file; 120struct drm_device; 121 122#include <dev/drm2/drm_hashtab.h> 123#include <dev/drm2/drm_mm.h> 124 125#include "opt_drm.h" 126#include "opt_syscons.h" 127#ifdef DRM_DEBUG 128#undef DRM_DEBUG 129#define DRM_DEBUG_DEFAULT_ON 1 130#endif /* DRM_DEBUG */ 131 132#define DRM_DEBUGBITS_DEBUG 0x1 133#define DRM_DEBUGBITS_KMS 0x2 134#define DRM_DEBUGBITS_FAILED_IOCTL 0x4 135 136#undef DRM_LINUX 137#define DRM_LINUX 0 138 139/***********************************************************************/ 140/** \name DRM template customization defaults */ 141/*@{*/ 142 143/* driver capabilities and requirements mask */ 144#define DRIVER_USE_AGP 0x1 145#define DRIVER_REQUIRE_AGP 0x2 146#define DRIVER_USE_MTRR 0x4 147#define DRIVER_PCI_DMA 0x8 148#define DRIVER_SG 0x10 149#define DRIVER_HAVE_DMA 0x20 150#define DRIVER_HAVE_IRQ 0x40 151#define DRIVER_IRQ_SHARED 0x80 152#define DRIVER_IRQ_VBL 0x100 153#define DRIVER_DMA_QUEUE 0x200 154#define DRIVER_FB_DMA 0x400 155#define DRIVER_IRQ_VBL2 0x800 156#define DRIVER_GEM 0x1000 157#define DRIVER_MODESET 0x2000 158#define DRIVER_PRIME 0x4000 159 160#define DRIVER_BUS_PCI 0x1 161#define DRIVER_BUS_PLATFORM 0x2 162#define DRIVER_BUS_USB 0x3 163 164/***********************************************************************/ 165/** \name Begin the DRM... */ 166/*@{*/ 167 168#define DRM_DEBUG_CODE 2 /**< Include debugging code if > 1, then 169 also include looping detection. */ 170 171#define DRM_MAGIC_HASH_ORDER 4 /**< Size of key hash table. Must be power of 2. */ 172#define DRM_KERNEL_CONTEXT 0 /**< Change drm_resctx if changed */ 173#define DRM_RESERVED_CONTEXTS 1 /**< Change drm_resctx if changed */ 174#define DRM_LOOPING_LIMIT 5000000 175#define DRM_TIME_SLICE (HZ/20) /**< Time slice for GLXContexts */ 176#define DRM_LOCK_SLICE 1 /**< Time slice for lock, in jiffies */ 177 178#define DRM_FLAG_DEBUG 0x01 179 180#define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) 181#define DRM_MAP_HASH_OFFSET 0x10000000 182 183/*@}*/ 184 185/***********************************************************************/ 186/** \name Macros to make printk easier */ 187/*@{*/ 188 189/** 190 * Error output. 191 * 192 * \param fmt printf() like format string. 193 * \param arg arguments 194 */ 195#define DRM_ERROR(fmt, ...) \ 196 printf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt, \ 197 DRM_CURRENTPID, __func__ , ##__VA_ARGS__) 198 199#define DRM_WARNING(fmt, ...) printf("warning: [" DRM_NAME "] " fmt , ##__VA_ARGS__) 200#define DRM_INFO(fmt, ...) printf("info: [" DRM_NAME "] " fmt , ##__VA_ARGS__) 201 202/** 203 * Debug output. 204 * 205 * \param fmt printf() like format string. 206 * \param arg arguments 207 */ 208#define DRM_DEBUG(fmt, ...) do { \ 209 if ((drm_debug & DRM_DEBUGBITS_DEBUG) != 0) \ 210 printf("[" DRM_NAME ":pid%d:%s] " fmt, DRM_CURRENTPID, \ 211 __func__ , ##__VA_ARGS__); \ 212} while (0) 213 214#define DRM_DEBUG_DRIVER(fmt, ...) do { \ 215 if ((drm_debug & DRM_DEBUGBITS_KMS) != 0) \ 216 printf("[" DRM_NAME ":KMS:pid%d:%s] " fmt, DRM_CURRENTPID,\ 217 __func__ , ##__VA_ARGS__); \ 218} while (0) 219 220#define DRM_DEBUG_KMS(fmt, ...) do { \ 221 if ((drm_debug & DRM_DEBUGBITS_KMS) != 0) \ 222 printf("[" DRM_NAME ":KMS:pid%d:%s] " fmt, DRM_CURRENTPID,\ 223 __func__ , ##__VA_ARGS__); \ 224} while (0) 225 226#define DRM_LOG(fmt, ...) do { \ 227 if ((drm_debug & DRM_DEBUGBITS_KMS) != 0) \ 228 printf("[" DRM_NAME "]:pid%d:%s]" fmt, DRM_CURRENTPID, \ 229 __func__ , ##__VA_ARGS__); \ 230} while (0) 231 232#define DRM_LOG_KMS(fmt, ...) do { \ 233 if ((drm_debug & DRM_DEBUGBITS_KMS) != 0) \ 234 printf("[" DRM_NAME "]:KMS:pid%d:%s]" fmt, DRM_CURRENTPID,\ 235 __func__ , ##__VA_ARGS__); \ 236} while (0) 237 238#define DRM_LOG_MODE(fmt, ...) do { \ 239 if ((drm_debug & DRM_DEBUGBITS_KMS) != 0) \ 240 printf("[" DRM_NAME "]:pid%d:%s]" fmt, DRM_CURRENTPID, \ 241 __func__ , ##__VA_ARGS__); \ 242} while (0) 243 244#define DRM_LOG_DRIVER(fmt, ...) do { \ 245 if ((drm_debug & DRM_DEBUGBITS_KMS) != 0) \ 246 printf("[" DRM_NAME "]:KMS:pid%d:%s]" fmt, DRM_CURRENTPID,\ 247 __func__ , ##__VA_ARGS__); \ 248} while (0) 249 250/*@}*/ 251 252/***********************************************************************/ 253/** \name Internal types and structures */ 254/*@{*/ 255 256#define DRM_ARRAY_SIZE(x) ARRAY_SIZE(x) 257 258#define DRM_LEFTCOUNT(x) (((x)->rp + (x)->count - (x)->wp) % ((x)->count + 1)) 259#define DRM_BUFCOUNT(x) ((x)->count - DRM_LEFTCOUNT(x)) 260 261#define DRM_IF_VERSION(maj, min) (maj << 16 | min) 262 263/** 264 * Test that the hardware lock is held by the caller, returning otherwise. 265 * 266 * \param dev DRM device. 267 * \param filp file pointer of the caller. 268 */ 269#define LOCK_TEST_WITH_RETURN( dev, _file_priv ) \ 270do { \ 271 if (!_DRM_LOCK_IS_HELD(_file_priv->master->lock.hw_lock->lock) || \ 272 _file_priv->master->lock.file_priv != _file_priv) { \ 273 DRM_ERROR( "%s called without lock held, held %d owner %p %p\n",\ 274 __func__, _DRM_LOCK_IS_HELD(_file_priv->master->lock.hw_lock->lock),\ 275 _file_priv->master->lock.file_priv, _file_priv); \ 276 return -EINVAL; \ 277 } \ 278} while (0) 279 280/** 281 * Ioctl function type. 282 * 283 * \param inode device inode. 284 * \param file_priv DRM file private pointer. 285 * \param cmd command. 286 * \param arg argument. 287 */ 288typedef int drm_ioctl_t(struct drm_device *dev, void *data, 289 struct drm_file *file_priv); 290 291#define DRM_IOCTL_NR(n) ((n) & 0xff) 292#define DRM_MAJOR 226 293 294#define DRM_AUTH 0x1 295#define DRM_MASTER 0x2 296#define DRM_ROOT_ONLY 0x4 297#define DRM_CONTROL_ALLOW 0x8 298#define DRM_UNLOCKED 0x10 299 300struct drm_ioctl_desc { 301 unsigned long cmd; 302 int flags; 303 drm_ioctl_t *func; 304 unsigned int cmd_drv; 305}; 306 307/** 308 * Creates a driver or general drm_ioctl_desc array entry for the given 309 * ioctl, for use by drm_ioctl(). 310 */ 311 312#define DRM_IOCTL_DEF(ioctl, _func, _flags) \ 313 [DRM_IOCTL_NR(ioctl)] = {.cmd = ioctl, .func = _func, .flags = _flags, .cmd_drv = 0} 314 315#define DRM_IOCTL_DEF_DRV(ioctl, _func, _flags) \ 316 [DRM_IOCTL_NR(DRM_##ioctl)] = {.cmd = DRM_##ioctl, .func = _func, .flags = _flags, .cmd_drv = DRM_IOCTL_##ioctl} 317 318struct drm_magic_entry { 319 struct list_head head; 320 struct drm_hash_item hash_item; 321 struct drm_file *priv; 322}; 323 324/** 325 * DMA buffer. 326 */ 327struct drm_buf { 328 int idx; /**< Index into master buflist */ 329 int total; /**< Buffer size */ 330 int order; /**< log-base-2(total) */ 331 int used; /**< Amount of buffer in use (for DMA) */ 332 unsigned long offset; /**< Byte offset (used internally) */ 333 void *address; /**< Address of buffer */ 334 unsigned long bus_address; /**< Bus address of buffer */ 335 struct drm_buf *next; /**< Kernel-only: used for free list */ 336 __volatile__ int waiting; /**< On kernel DMA queue */ 337 __volatile__ int pending; /**< On hardware DMA queue */ 338 struct drm_file *file_priv; /**< Private of holding file descr */ 339 int context; /**< Kernel queue for this buffer */ 340 int while_locked; /**< Dispatch this buffer while locked */ 341 enum { 342 DRM_LIST_NONE = 0, 343 DRM_LIST_FREE = 1, 344 DRM_LIST_WAIT = 2, 345 DRM_LIST_PEND = 3, 346 DRM_LIST_PRIO = 4, 347 DRM_LIST_RECLAIM = 5 348 } list; /**< Which list we're on */ 349 350 int dev_priv_size; /**< Size of buffer private storage */ 351 void *dev_private; /**< Per-buffer private storage */ 352}; 353 354struct drm_freelist { 355 int initialized; /**< Freelist in use */ 356 atomic_t count; /**< Number of free buffers */ 357 struct drm_buf *next; /**< End pointer */ 358 359#ifdef FREEBSD_NOTYET 360 wait_queue_head_t waiting; /**< Processes waiting on free bufs */ 361#endif /* defined(FREEBSD_NOTYET) */ 362 int low_mark; /**< Low water mark */ 363 int high_mark; /**< High water mark */ 364#ifdef FREEBSD_NOTYET 365 atomic_t wfh; /**< If waiting for high mark */ 366 spinlock_t lock; 367#endif /* defined(FREEBSD_NOTYET) */ 368}; 369 370typedef struct drm_dma_handle { 371 void *vaddr; 372 bus_addr_t busaddr; 373 bus_dma_tag_t tag; 374 bus_dmamap_t map; 375} drm_dma_handle_t; 376 377/** 378 * Buffer entry. There is one of this for each buffer size order. 379 */ 380struct drm_buf_entry { 381 int buf_size; /**< size */ 382 int buf_count; /**< number of buffers */ 383 struct drm_buf *buflist; /**< buffer list */ 384 int seg_count; 385 int page_order; 386 struct drm_dma_handle **seglist; 387 388 struct drm_freelist freelist; 389}; 390 391/* Event queued up for userspace to read */ 392struct drm_pending_event { 393 struct drm_event *event; 394 struct list_head link; 395 struct drm_file *file_priv; 396 pid_t pid; /* pid of requester, no guarantee it's valid by the time 397 we deliver the event, for tracing only */ 398 void (*destroy)(struct drm_pending_event *event); 399}; 400 401/* initial implementaton using a linked list - todo hashtab */ 402struct drm_prime_file_private { 403 struct list_head head; 404 struct mtx lock; 405}; 406 407struct drm_file { 408 int authenticated; 409 pid_t pid; 410 uid_t uid; 411 drm_magic_t magic; 412 unsigned long ioctl_count; 413 struct list_head lhead; 414 struct drm_minor *minor; 415 unsigned long lock_count; 416 417 void *driver_priv; 418 struct drm_gem_names object_names; 419 420 int is_master; /* this file private is a master for a minor */ 421 struct drm_master *master; /* master this node is currently associated with 422 N.B. not always minor->master */ 423 struct list_head fbs; 424 425 struct selinfo event_poll; 426 struct list_head event_list; 427 int event_space; 428 429 struct drm_prime_file_private prime; 430}; 431 432/** 433 * Lock data. 434 */ 435struct drm_lock_data { 436 struct drm_hw_lock *hw_lock; /**< Hardware lock */ 437 /** Private of lock holder's file (NULL=kernel) */ 438 struct drm_file *file_priv; 439 wait_queue_head_t lock_queue; /**< Queue of blocked processes */ 440 unsigned long lock_time; /**< Time of last lock in jiffies */ 441 struct mtx spinlock; 442 uint32_t kernel_waiters; 443 uint32_t user_waiters; 444 int idle_has_lock; 445}; 446 447/** 448 * DMA data. 449 */ 450struct drm_device_dma { 451 452 struct drm_buf_entry bufs[DRM_MAX_ORDER + 1]; /**< buffers, grouped by their size order */ 453 int buf_count; /**< total number of buffers */ 454 struct drm_buf **buflist; /**< Vector of pointers into drm_device_dma::bufs */ 455 int seg_count; 456 int page_count; /**< number of pages */ 457 unsigned long *pagelist; /**< page list */ 458 unsigned long byte_count; 459 enum { 460 _DRM_DMA_USE_AGP = 0x01, 461 _DRM_DMA_USE_SG = 0x02, 462 _DRM_DMA_USE_FB = 0x04, 463 _DRM_DMA_USE_PCI_RO = 0x08 464 } flags; 465 466}; 467 468/** 469 * AGP memory entry. Stored as a doubly linked list. 470 */ 471struct drm_agp_mem { 472 unsigned long handle; /**< handle */ 473 DRM_AGP_MEM *memory; 474 unsigned long bound; /**< address */ 475 int pages; 476 struct list_head head; 477}; 478 479/** 480 * AGP data. 481 * 482 * \sa drm_agp_init() and drm_device::agp. 483 */ 484struct drm_agp_head { 485 DRM_AGP_KERN agp_info; /**< AGP device information */ 486 struct list_head memory; 487 unsigned long mode; /**< AGP mode */ 488 device_t bridge; 489 int enabled; /**< whether the AGP bus as been enabled */ 490 int acquired; /**< whether the AGP device has been acquired */ 491 unsigned long base; 492 int agp_mtrr; 493 int cant_use_aperture; 494}; 495 496/** 497 * Scatter-gather memory. 498 */ 499struct drm_sg_mem { 500 vm_offset_t vaddr; 501 vm_paddr_t *busaddr; 502 vm_pindex_t pages; 503}; 504 505struct drm_sigdata { 506 int context; 507 struct drm_hw_lock *lock; 508}; 509 510/** 511 * Kernel side of a mapping 512 */ 513#define DRM_MAP_HANDLE_BITS (sizeof(void *) == 4 ? 4 : 24) 514#define DRM_MAP_HANDLE_SHIFT (sizeof(void *) * 8 - DRM_MAP_HANDLE_BITS) 515 516struct drm_local_map { 517 resource_size_t offset; /**< Requested physical address (0 for SAREA)*/ 518 unsigned long size; /**< Requested physical size (bytes) */ 519 enum drm_map_type type; /**< Type of memory to map */ 520 enum drm_map_flags flags; /**< Flags */ 521 void *handle; /**< User-space: "Handle" to pass to mmap() */ 522 /**< Kernel-space: kernel-virtual address */ 523 int mtrr; /**< MTRR slot used */ 524 525 /* Private data */ 526 drm_dma_handle_t *dmah; 527}; 528 529typedef struct drm_local_map drm_local_map_t; 530 531/** 532 * Mappings list 533 */ 534struct drm_map_list { 535 struct list_head head; /**< list head */ 536 struct drm_hash_item hash; 537 struct drm_local_map *map; /**< mapping */ 538 uint64_t user_token; 539 struct drm_master *master; 540 struct drm_mm_node *file_offset_node; /**< fake offset */ 541}; 542 543/** 544 * Context handle list 545 */ 546struct drm_ctx_list { 547 struct list_head head; /**< list head */ 548 drm_context_t handle; /**< context handle */ 549 struct drm_file *tag; /**< associated fd private data */ 550}; 551 552/* location of GART table */ 553#define DRM_ATI_GART_MAIN 1 554#define DRM_ATI_GART_FB 2 555 556#define DRM_ATI_GART_PCI 1 557#define DRM_ATI_GART_PCIE 2 558#define DRM_ATI_GART_IGP 3 559 560struct drm_ati_pcigart_info { 561 int gart_table_location; 562 int gart_reg_if; 563 void *addr; 564 dma_addr_t bus_addr; 565 dma_addr_t table_mask; 566 struct drm_dma_handle *table_handle; 567 struct drm_local_map mapping; 568 int table_size; 569 struct drm_dma_handle *dmah; /* handle for ATI PCIGART table FIXME */ 570}; 571 572/** 573 * GEM specific mm private for tracking GEM objects 574 */ 575struct drm_gem_mm { 576 struct unrhdr *idxunr; 577 struct drm_open_hash offset_hash; /**< User token hash table for maps */ 578}; 579 580/** 581 * This structure defines the drm_mm memory object, which will be used by the 582 * DRM for its buffer objects. 583 */ 584struct drm_gem_object { 585 /** Reference count of this object */ 586 u_int refcount; 587 588 /** Handle count of this object. Each handle also holds a reference */ 589 atomic_t handle_count; /* number of handles on this object */ 590 591 /** Related drm device */ 592 struct drm_device *dev; 593 594 /** File representing the shmem storage: filp in Linux parlance */ 595 vm_object_t vm_obj; 596 597 /* Mapping info for this object */ 598 bool on_map; 599 struct drm_hash_item map_list; 600 601 /** 602 * Size of the object, in bytes. Immutable over the object's 603 * lifetime. 604 */ 605 size_t size; 606 607 /** 608 * Global name for this object, starts at 1. 0 means unnamed. 609 * Access is covered by the object_name_lock in the related drm_device 610 */ 611 int name; 612 613 /** 614 * Memory domains. These monitor which caches contain read/write data 615 * related to the object. When transitioning from one set of domains 616 * to another, the driver is called to ensure that caches are suitably 617 * flushed and invalidated 618 */ 619 uint32_t read_domains; 620 uint32_t write_domain; 621 622 /** 623 * While validating an exec operation, the 624 * new read/write domain values are computed here. 625 * They will be transferred to the above values 626 * at the point that any cache flushing occurs 627 */ 628 uint32_t pending_read_domains; 629 uint32_t pending_write_domain; 630 631 void *driver_private; 632 633#ifdef FREEBSD_NOTYET 634 /* dma buf exported from this GEM object */ 635 struct dma_buf *export_dma_buf; 636 637 /* dma buf attachment backing this object */ 638 struct dma_buf_attachment *import_attach; 639#endif /* FREEBSD_NOTYET */ 640}; 641 642#include <dev/drm2/drm_crtc.h> 643 644/* per-master structure */ 645struct drm_master { 646 647 u_int refcount; /* refcount for this master */ 648 649 struct list_head head; /**< each minor contains a list of masters */ 650 struct drm_minor *minor; /**< link back to minor we are a master for */ 651 652 char *unique; /**< Unique identifier: e.g., busid */ 653 int unique_len; /**< Length of unique field */ 654 int unique_size; /**< amount allocated */ 655 656 int blocked; /**< Blocked due to VC switch? */ 657 658 /** \name Authentication */ 659 /*@{ */ 660 struct drm_open_hash magiclist; 661 struct list_head magicfree; 662 /*@} */ 663 664 struct drm_lock_data lock; /**< Information on hardware lock */ 665 666 void *driver_priv; /**< Private structure for driver to use */ 667}; 668 669/* Size of ringbuffer for vblank timestamps. Just double-buffer 670 * in initial implementation. 671 */ 672#define DRM_VBLANKTIME_RBSIZE 2 673 674/* Flags and return codes for get_vblank_timestamp() driver function. */ 675#define DRM_CALLED_FROM_VBLIRQ 1 676#define DRM_VBLANKTIME_SCANOUTPOS_METHOD (1 << 0) 677#define DRM_VBLANKTIME_INVBL (1 << 1) 678 679/* get_scanout_position() return flags */ 680#define DRM_SCANOUTPOS_VALID (1 << 0) 681#define DRM_SCANOUTPOS_INVBL (1 << 1) 682#define DRM_SCANOUTPOS_ACCURATE (1 << 2) 683 684struct drm_bus { 685 int bus_type; 686 int (*get_irq)(struct drm_device *dev); 687 void (*free_irq)(struct drm_device *dev); 688 const char *(*get_name)(struct drm_device *dev); 689 int (*set_busid)(struct drm_device *dev, struct drm_master *master); 690 int (*set_unique)(struct drm_device *dev, struct drm_master *master, 691 struct drm_unique *unique); 692 int (*irq_by_busid)(struct drm_device *dev, struct drm_irq_busid *p); 693 /* hooks that are for PCI */ 694 int (*agp_init)(struct drm_device *dev); 695 696}; 697 698/** 699 * DRM driver structure. This structure represent the common code for 700 * a family of cards. There will one drm_device for each card present 701 * in this family 702 */ 703struct drm_driver { 704 int (*load) (struct drm_device *, unsigned long flags); 705 int (*firstopen) (struct drm_device *); 706 int (*open) (struct drm_device *, struct drm_file *); 707 void (*preclose) (struct drm_device *, struct drm_file *file_priv); 708 void (*postclose) (struct drm_device *, struct drm_file *); 709 void (*lastclose) (struct drm_device *); 710 int (*unload) (struct drm_device *); 711 int (*suspend) (struct drm_device *, pm_message_t state); 712 int (*resume) (struct drm_device *); 713 int (*dma_ioctl) (struct drm_device *dev, void *data, struct drm_file *file_priv); 714 int (*dma_quiescent) (struct drm_device *); 715 int (*context_dtor) (struct drm_device *dev, int context); 716 717 /** 718 * get_vblank_counter - get raw hardware vblank counter 719 * @dev: DRM device 720 * @crtc: counter to fetch 721 * 722 * Driver callback for fetching a raw hardware vblank counter for @crtc. 723 * If a device doesn't have a hardware counter, the driver can simply 724 * return the value of drm_vblank_count. The DRM core will account for 725 * missed vblank events while interrupts where disabled based on system 726 * timestamps. 727 * 728 * Wraparound handling and loss of events due to modesetting is dealt 729 * with in the DRM core code. 730 * 731 * RETURNS 732 * Raw vblank counter value. 733 */ 734 u32 (*get_vblank_counter) (struct drm_device *dev, int crtc); 735 736 /** 737 * enable_vblank - enable vblank interrupt events 738 * @dev: DRM device 739 * @crtc: which irq to enable 740 * 741 * Enable vblank interrupts for @crtc. If the device doesn't have 742 * a hardware vblank counter, this routine should be a no-op, since 743 * interrupts will have to stay on to keep the count accurate. 744 * 745 * RETURNS 746 * Zero on success, appropriate errno if the given @crtc's vblank 747 * interrupt cannot be enabled. 748 */ 749 int (*enable_vblank) (struct drm_device *dev, int crtc); 750 751 /** 752 * disable_vblank - disable vblank interrupt events 753 * @dev: DRM device 754 * @crtc: which irq to enable 755 * 756 * Disable vblank interrupts for @crtc. If the device doesn't have 757 * a hardware vblank counter, this routine should be a no-op, since 758 * interrupts will have to stay on to keep the count accurate. 759 */ 760 void (*disable_vblank) (struct drm_device *dev, int crtc); 761 762 /** 763 * Called by \c drm_device_is_agp. Typically used to determine if a 764 * card is really attached to AGP or not. 765 * 766 * \param dev DRM device handle 767 * 768 * \returns 769 * One of three values is returned depending on whether or not the 770 * card is absolutely \b not AGP (return of 0), absolutely \b is AGP 771 * (return of 1), or may or may not be AGP (return of 2). 772 */ 773 int (*device_is_agp) (struct drm_device *dev); 774 775 /** 776 * Called by vblank timestamping code. 777 * 778 * Return the current display scanout position from a crtc. 779 * 780 * \param dev DRM device. 781 * \param crtc Id of the crtc to query. 782 * \param *vpos Target location for current vertical scanout position. 783 * \param *hpos Target location for current horizontal scanout position. 784 * 785 * Returns vpos as a positive number while in active scanout area. 786 * Returns vpos as a negative number inside vblank, counting the number 787 * of scanlines to go until end of vblank, e.g., -1 means "one scanline 788 * until start of active scanout / end of vblank." 789 * 790 * \return Flags, or'ed together as follows: 791 * 792 * DRM_SCANOUTPOS_VALID = Query successful. 793 * DRM_SCANOUTPOS_INVBL = Inside vblank. 794 * DRM_SCANOUTPOS_ACCURATE = Returned position is accurate. A lack of 795 * this flag means that returned position may be offset by a constant 796 * but unknown small number of scanlines wrt. real scanout position. 797 * 798 */ 799 int (*get_scanout_position) (struct drm_device *dev, int crtc, 800 int *vpos, int *hpos); 801 802 /** 803 * Called by \c drm_get_last_vbltimestamp. Should return a precise 804 * timestamp when the most recent VBLANK interval ended or will end. 805 * 806 * Specifically, the timestamp in @vblank_time should correspond as 807 * closely as possible to the time when the first video scanline of 808 * the video frame after the end of VBLANK will start scanning out, 809 * the time immediately after end of the VBLANK interval. If the 810 * @crtc is currently inside VBLANK, this will be a time in the future. 811 * If the @crtc is currently scanning out a frame, this will be the 812 * past start time of the current scanout. This is meant to adhere 813 * to the OpenML OML_sync_control extension specification. 814 * 815 * \param dev dev DRM device handle. 816 * \param crtc crtc for which timestamp should be returned. 817 * \param *max_error Maximum allowable timestamp error in nanoseconds. 818 * Implementation should strive to provide timestamp 819 * with an error of at most *max_error nanoseconds. 820 * Returns true upper bound on error for timestamp. 821 * \param *vblank_time Target location for returned vblank timestamp. 822 * \param flags 0 = Defaults, no special treatment needed. 823 * \param DRM_CALLED_FROM_VBLIRQ = Function is called from vblank 824 * irq handler. Some drivers need to apply some workarounds 825 * for gpu-specific vblank irq quirks if flag is set. 826 * 827 * \returns 828 * Zero if timestamping isn't supported in current display mode or a 829 * negative number on failure. A positive status code on success, 830 * which describes how the vblank_time timestamp was computed. 831 */ 832 int (*get_vblank_timestamp) (struct drm_device *dev, int crtc, 833 int *max_error, 834 struct timeval *vblank_time, 835 unsigned flags); 836 837 /* these have to be filled in */ 838 839 irqreturn_t(*irq_handler) (DRM_IRQ_ARGS); 840 void (*irq_preinstall) (struct drm_device *dev); 841 int (*irq_postinstall) (struct drm_device *dev); 842 void (*irq_uninstall) (struct drm_device *dev); 843 void (*set_version) (struct drm_device *dev, 844 struct drm_set_version *sv); 845 846 /* Master routines */ 847 int (*master_create)(struct drm_device *dev, struct drm_master *master); 848 void (*master_destroy)(struct drm_device *dev, struct drm_master *master); 849 /** 850 * master_set is called whenever the minor master is set. 851 * master_drop is called whenever the minor master is dropped. 852 */ 853 854 int (*master_set)(struct drm_device *dev, struct drm_file *file_priv, 855 bool from_open); 856 void (*master_drop)(struct drm_device *dev, struct drm_file *file_priv, 857 bool from_release); 858 859 /** 860 * Driver-specific constructor for drm_gem_objects, to set up 861 * obj->driver_private. 862 * 863 * Returns 0 on success. 864 */ 865 int (*gem_init_object) (struct drm_gem_object *obj); 866 void (*gem_free_object) (struct drm_gem_object *obj); 867 int (*gem_open_object) (struct drm_gem_object *, struct drm_file *); 868 void (*gem_close_object) (struct drm_gem_object *, struct drm_file *); 869 870#ifdef FREEBSD_NOTYET 871 /* prime: */ 872 /* export handle -> fd (see drm_gem_prime_handle_to_fd() helper) */ 873 int (*prime_handle_to_fd)(struct drm_device *dev, struct drm_file *file_priv, 874 uint32_t handle, uint32_t flags, int *prime_fd); 875 /* import fd -> handle (see drm_gem_prime_fd_to_handle() helper) */ 876 int (*prime_fd_to_handle)(struct drm_device *dev, struct drm_file *file_priv, 877 int prime_fd, uint32_t *handle); 878 /* export GEM -> dmabuf */ 879 struct dma_buf * (*gem_prime_export)(struct drm_device *dev, 880 struct drm_gem_object *obj, int flags); 881 /* import dmabuf -> GEM */ 882 struct drm_gem_object * (*gem_prime_import)(struct drm_device *dev, 883 struct dma_buf *dma_buf); 884#endif /* defined(FREEBSD_NOTYET) */ 885 886 /* dumb alloc support */ 887 int (*dumb_create)(struct drm_file *file_priv, 888 struct drm_device *dev, 889 struct drm_mode_create_dumb *args); 890 int (*dumb_map_offset)(struct drm_file *file_priv, 891 struct drm_device *dev, uint32_t handle, 892 uint64_t *offset); 893 int (*dumb_destroy)(struct drm_file *file_priv, 894 struct drm_device *dev, 895 uint32_t handle); 896 897 /* Driver private ops for this object */ 898 struct cdev_pager_ops *gem_pager_ops; 899 900 int (*sysctl_init)(struct drm_device *dev, 901 struct sysctl_ctx_list *ctx, struct sysctl_oid *top); 902 void (*sysctl_cleanup)(struct drm_device *dev); 903 904 int major; 905 int minor; 906 int patchlevel; 907 char *name; 908 char *desc; 909 char *date; 910 911 u32 driver_features; 912 int dev_priv_size; 913 struct drm_ioctl_desc *ioctls; 914 int num_ioctls; 915 struct drm_bus *bus; 916#ifdef COMPAT_FREEBSD32 917 struct drm_ioctl_desc *compat_ioctls; 918 int *num_compat_ioctls; 919#endif 920 921 int buf_priv_size; 922}; 923 924#define DRM_MINOR_UNASSIGNED 0 925#define DRM_MINOR_LEGACY 1 926#define DRM_MINOR_CONTROL 2 927#define DRM_MINOR_RENDER 3 928 929/** 930 * DRM minor structure. This structure represents a drm minor number. 931 */ 932struct drm_minor { 933 int index; /**< Minor device number */ 934 int type; /**< Control or render */ 935 struct cdev *device; /**< Device number for mknod */ 936 device_t kdev; /**< OS device */ 937 struct drm_device *dev; 938 939 struct drm_master *master; /* currently active master for this node */ 940 struct list_head master_list; 941 struct drm_mode_group mode_group; 942 943 struct sigio *buf_sigio; /* Processes waiting for SIGIO */ 944}; 945 946/* mode specified on the command line */ 947struct drm_cmdline_mode { 948 bool specified; 949 bool refresh_specified; 950 bool bpp_specified; 951 int xres, yres; 952 int bpp; 953 int refresh; 954 bool rb; 955 bool interlace; 956 bool cvt; 957 bool margins; 958 enum drm_connector_force force; 959}; 960 961 962struct drm_pending_vblank_event { 963 struct drm_pending_event base; 964 int pipe; 965 struct drm_event_vblank event; 966}; 967 968/** 969 * DRM device structure. This structure represent a complete card that 970 * may contain multiple heads. 971 */ 972struct drm_device { 973 int if_version; /**< Highest interface version set */ 974 975 /** \name Locks */ 976 /*@{ */ 977 struct mtx count_lock; /**< For inuse, drm_device::open_count, drm_device::buf_use */ 978 struct sx dev_struct_lock; /**< For others */ 979 /*@} */ 980 981 /** \name Usage Counters */ 982 /*@{ */ 983 int open_count; /**< Outstanding files open */ 984 atomic_t ioctl_count; /**< Outstanding IOCTLs pending */ 985 atomic_t vma_count; /**< Outstanding vma areas open */ 986 int buf_use; /**< Buffers in use -- cannot alloc */ 987 atomic_t buf_alloc; /**< Buffer allocation in progress */ 988 /*@} */ 989 990 /** \name Performance counters */ 991 /*@{ */ 992 unsigned long counters; 993 enum drm_stat_type types[15]; 994 atomic_t counts[15]; 995 /*@} */ 996 997 struct list_head filelist; 998 999 /** \name Memory management */ 1000 /*@{ */ 1001 struct list_head maplist; /**< Linked list of regions */ 1002 int map_count; /**< Number of mappable regions */ 1003 struct drm_open_hash map_hash; /**< User token hash table for maps */ 1004 1005 /** \name Context handle management */ 1006 /*@{ */ 1007 struct list_head ctxlist; /**< Linked list of context handles */ 1008 int ctx_count; /**< Number of context handles */ 1009 struct mtx ctxlist_mutex; /**< For ctxlist */ 1010 drm_local_map_t **context_sareas; 1011 int max_context; 1012 unsigned long *ctx_bitmap; 1013 1014 /*@} */ 1015 1016 /** \name DMA support */ 1017 /*@{ */ 1018 struct drm_device_dma *dma; /**< Optional pointer for DMA support */ 1019 /*@} */ 1020 1021 /** \name Context support */ 1022 /*@{ */ 1023 int irq_enabled; /**< True if irq handler is enabled */ 1024 atomic_t context_flag; /**< Context swapping flag */ 1025 atomic_t interrupt_flag; /**< Interruption handler flag */ 1026 atomic_t dma_flag; /**< DMA dispatch flag */ 1027 wait_queue_head_t context_wait; /**< Processes waiting on ctx switch */ 1028 int last_checked; /**< Last context checked for DMA */ 1029 int last_context; /**< Last current context */ 1030 unsigned long last_switch; /**< jiffies at last context switch */ 1031 /*@} */ 1032 1033 /** \name VBLANK IRQ support */ 1034 /*@{ */ 1035 1036 /* 1037 * At load time, disabling the vblank interrupt won't be allowed since 1038 * old clients may not call the modeset ioctl and therefore misbehave. 1039 * Once the modeset ioctl *has* been called though, we can safely 1040 * disable them when unused. 1041 */ 1042 int vblank_disable_allowed; 1043 1044 atomic_t *_vblank_count; /**< number of VBLANK interrupts (driver must alloc the right number of counters) */ 1045 struct timeval *_vblank_time; /**< timestamp of current vblank_count (drivers must alloc right number of fields) */ 1046 struct mtx vblank_time_lock; /**< Protects vblank count and time updates during vblank enable/disable */ 1047 struct mtx vbl_lock; 1048 atomic_t *vblank_refcount; /* number of users of vblank interruptsper crtc */ 1049 u32 *last_vblank; /* protected by dev->vbl_lock, used */ 1050 /* for wraparound handling */ 1051 int *vblank_enabled; /* so we don't call enable more than 1052 once per disable */ 1053 int *vblank_inmodeset; /* Display driver is setting mode */ 1054 u32 *last_vblank_wait; /* Last vblank seqno waited per CRTC */ 1055 struct callout vblank_disable_callout; 1056 1057 u32 max_vblank_count; /**< size of vblank counter register */ 1058 1059 /** 1060 * List of events 1061 */ 1062 struct list_head vblank_event_list; 1063 struct mtx event_lock; 1064 1065 /*@} */ 1066 1067 struct drm_agp_head *agp; /**< AGP data */ 1068 1069 device_t dev; /* Device instance from newbus */ 1070 uint16_t pci_device; /* PCI device id */ 1071 uint16_t pci_vendor; /* PCI vendor id */ 1072 uint16_t pci_subdevice; /* PCI subsystem device id */ 1073 uint16_t pci_subvendor; /* PCI subsystem vendor id */ 1074 1075 struct drm_sg_mem *sg; /**< Scatter gather memory */ 1076 unsigned int num_crtcs; /**< Number of CRTCs on this device */ 1077 void *dev_private; /**< device private data */ 1078 void *mm_private; 1079 struct drm_sigdata sigdata; /**< For block_all_signals */ 1080 sigset_t sigmask; 1081 1082 struct drm_driver *driver; 1083 struct drm_local_map *agp_buffer_map; 1084 unsigned int agp_buffer_token; 1085 struct drm_minor *control; /**< Control node for card */ 1086 struct drm_minor *primary; /**< render type primary screen head */ 1087 1088 struct drm_mode_config mode_config; /**< Current mode config */ 1089 1090 /** \name GEM information */ 1091 /*@{ */ 1092 struct sx object_name_lock; 1093 struct drm_gem_names object_names; 1094 /*@} */ 1095 int switch_power_state; 1096 1097 atomic_t unplugged; /* device has been unplugged or gone away */ 1098 1099 /* Locks */ 1100 struct mtx dma_lock; /* protects dev->dma */ 1101 struct mtx irq_lock; /* protects irq condition checks */ 1102 1103 /* Context support */ 1104 int irq; /* Interrupt used by board */ 1105 int msi_enabled; /* MSI enabled */ 1106 int irqrid; /* Interrupt used by board */ 1107 struct resource *irqr; /* Resource for interrupt used by board */ 1108 void *irqh; /* Handle from bus_setup_intr */ 1109 1110 /* Storage of resource pointers for drm_get_resource_* */ 1111#define DRM_MAX_PCI_RESOURCE 6 1112 struct resource *pcir[DRM_MAX_PCI_RESOURCE]; 1113 int pcirid[DRM_MAX_PCI_RESOURCE]; 1114 struct mtx pcir_lock; 1115 1116 int pci_domain; 1117 int pci_bus; 1118 int pci_slot; 1119 int pci_func; 1120 1121 /* Sysctl support */ 1122 struct drm_sysctl_info *sysctl; 1123 int sysctl_node_idx; 1124 1125 void *drm_ttm_bdev; 1126 1127 void *sysctl_private; 1128 char busid_str[128]; 1129 int modesetting; 1130 1131 const drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ 1132}; 1133 1134#define DRM_SWITCH_POWER_ON 0 1135#define DRM_SWITCH_POWER_OFF 1 1136#define DRM_SWITCH_POWER_CHANGING 2 1137 1138static __inline__ int drm_core_check_feature(struct drm_device *dev, 1139 int feature) 1140{ 1141 return ((dev->driver->driver_features & feature) ? 1 : 0); 1142} 1143 1144static inline int drm_dev_to_irq(struct drm_device *dev) 1145{ 1146 return dev->driver->bus->get_irq(dev); 1147} 1148 1149 1150#if __OS_HAS_AGP 1151static inline int drm_core_has_AGP(struct drm_device *dev) 1152{ 1153 return drm_core_check_feature(dev, DRIVER_USE_AGP); 1154} 1155#else 1156#define drm_core_has_AGP(dev) (0) 1157#endif 1158 1159#if __OS_HAS_MTRR 1160static inline int drm_core_has_MTRR(struct drm_device *dev) 1161{ 1162 return drm_core_check_feature(dev, DRIVER_USE_MTRR); 1163} 1164 1165#define DRM_MTRR_WC MDF_WRITECOMBINE 1166 1167int drm_mtrr_add(unsigned long offset, unsigned long size, unsigned int flags); 1168int drm_mtrr_del(int handle, unsigned long offset, unsigned long size, unsigned int flags); 1169 1170#else 1171#define drm_core_has_MTRR(dev) (0) 1172 1173#define DRM_MTRR_WC 0 1174 1175static inline int drm_mtrr_add(unsigned long offset, unsigned long size, 1176 unsigned int flags) 1177{ 1178 return 0; 1179} 1180 1181static inline int drm_mtrr_del(int handle, unsigned long offset, 1182 unsigned long size, unsigned int flags) 1183{ 1184 return 0; 1185} 1186#endif 1187 1188/******************************************************************/ 1189/** \name Internal function definitions */ 1190/*@{*/ 1191 1192 /* Driver support (drm_drv.h) */ 1193d_ioctl_t drm_ioctl; 1194extern int drm_lastclose(struct drm_device *dev); 1195 1196 /* Device support (drm_fops.h) */ 1197extern struct sx drm_global_mutex; 1198d_open_t drm_open; 1199d_read_t drm_read; 1200extern void drm_release(void *data); 1201 1202 /* Mapping support (drm_vm.h) */ 1203d_mmap_t drm_mmap; 1204int drm_mmap_single(struct cdev *kdev, vm_ooffset_t *offset, 1205 vm_size_t size, struct vm_object **obj_res, int nprot); 1206d_poll_t drm_poll; 1207 1208 1209 /* Misc. IOCTL support (drm_ioctl.h) */ 1210extern int drm_irq_by_busid(struct drm_device *dev, void *data, 1211 struct drm_file *file_priv); 1212extern int drm_getunique(struct drm_device *dev, void *data, 1213 struct drm_file *file_priv); 1214extern int drm_setunique(struct drm_device *dev, void *data, 1215 struct drm_file *file_priv); 1216extern int drm_getmap(struct drm_device *dev, void *data, 1217 struct drm_file *file_priv); 1218extern int drm_getclient(struct drm_device *dev, void *data, 1219 struct drm_file *file_priv); 1220extern int drm_getstats(struct drm_device *dev, void *data, 1221 struct drm_file *file_priv); 1222extern int drm_getcap(struct drm_device *dev, void *data, 1223 struct drm_file *file_priv); 1224extern int drm_setversion(struct drm_device *dev, void *data, 1225 struct drm_file *file_priv); 1226extern int drm_noop(struct drm_device *dev, void *data, 1227 struct drm_file *file_priv); 1228 1229 /* Context IOCTL support (drm_context.h) */ 1230extern int drm_resctx(struct drm_device *dev, void *data, 1231 struct drm_file *file_priv); 1232extern int drm_addctx(struct drm_device *dev, void *data, 1233 struct drm_file *file_priv); 1234extern int drm_modctx(struct drm_device *dev, void *data, 1235 struct drm_file *file_priv); 1236extern int drm_getctx(struct drm_device *dev, void *data, 1237 struct drm_file *file_priv); 1238extern int drm_switchctx(struct drm_device *dev, void *data, 1239 struct drm_file *file_priv); 1240extern int drm_newctx(struct drm_device *dev, void *data, 1241 struct drm_file *file_priv); 1242extern int drm_rmctx(struct drm_device *dev, void *data, 1243 struct drm_file *file_priv); 1244 1245extern int drm_ctxbitmap_init(struct drm_device *dev); 1246extern void drm_ctxbitmap_cleanup(struct drm_device *dev); 1247extern void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle); 1248 1249extern int drm_setsareactx(struct drm_device *dev, void *data, 1250 struct drm_file *file_priv); 1251extern int drm_getsareactx(struct drm_device *dev, void *data, 1252 struct drm_file *file_priv); 1253 1254 /* Authentication IOCTL support (drm_auth.h) */ 1255extern int drm_getmagic(struct drm_device *dev, void *data, 1256 struct drm_file *file_priv); 1257extern int drm_authmagic(struct drm_device *dev, void *data, 1258 struct drm_file *file_priv); 1259extern int drm_remove_magic(struct drm_master *master, drm_magic_t magic); 1260 1261/* Cache management (drm_cache.c) */ 1262void drm_clflush_pages(vm_page_t *pages, unsigned long num_pages); 1263void drm_clflush_virt_range(char *addr, unsigned long length); 1264 1265 /* Locking IOCTL support (drm_lock.h) */ 1266extern int drm_lock(struct drm_device *dev, void *data, 1267 struct drm_file *file_priv); 1268extern int drm_unlock(struct drm_device *dev, void *data, 1269 struct drm_file *file_priv); 1270extern int drm_lock_free(struct drm_lock_data *lock_data, unsigned int context); 1271extern void drm_idlelock_take(struct drm_lock_data *lock_data); 1272extern void drm_idlelock_release(struct drm_lock_data *lock_data); 1273 1274/* 1275 * These are exported to drivers so that they can implement fencing using 1276 * DMA quiscent + idle. DMA quiescent usually requires the hardware lock. 1277 */ 1278 1279extern int drm_i_have_hw_lock(struct drm_device *dev, struct drm_file *file_priv); 1280 1281 /* Buffer management support (drm_bufs.h) */ 1282extern int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc * request); 1283extern int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc * request); 1284extern int drm_addmap(struct drm_device *dev, resource_size_t offset, 1285 unsigned int size, enum drm_map_type type, 1286 enum drm_map_flags flags, struct drm_local_map **map_ptr); 1287extern int drm_addmap_ioctl(struct drm_device *dev, void *data, 1288 struct drm_file *file_priv); 1289extern int drm_rmmap(struct drm_device *dev, struct drm_local_map *map); 1290extern int drm_rmmap_locked(struct drm_device *dev, struct drm_local_map *map); 1291extern int drm_rmmap_ioctl(struct drm_device *dev, void *data, 1292 struct drm_file *file_priv); 1293extern int drm_addbufs(struct drm_device *dev, void *data, 1294 struct drm_file *file_priv); 1295extern int drm_infobufs(struct drm_device *dev, void *data, 1296 struct drm_file *file_priv); 1297extern int drm_markbufs(struct drm_device *dev, void *data, 1298 struct drm_file *file_priv); 1299extern int drm_freebufs(struct drm_device *dev, void *data, 1300 struct drm_file *file_priv); 1301extern int drm_mapbufs(struct drm_device *dev, void *data, 1302 struct drm_file *file_priv); 1303extern int drm_order(unsigned long size); 1304 1305 /* DMA support (drm_dma.h) */ 1306extern int drm_dma_setup(struct drm_device *dev); 1307extern void drm_dma_takedown(struct drm_device *dev); 1308extern void drm_free_buffer(struct drm_device *dev, struct drm_buf * buf); 1309extern void drm_core_reclaim_buffers(struct drm_device *dev, 1310 struct drm_file *filp); 1311 1312 /* IRQ support (drm_irq.h) */ 1313extern int drm_control(struct drm_device *dev, void *data, 1314 struct drm_file *file_priv); 1315extern int drm_irq_install(struct drm_device *dev); 1316extern int drm_irq_uninstall(struct drm_device *dev); 1317 1318extern int drm_vblank_init(struct drm_device *dev, int num_crtcs); 1319extern int drm_wait_vblank(struct drm_device *dev, void *data, 1320 struct drm_file *filp); 1321extern int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq); 1322extern u32 drm_vblank_count(struct drm_device *dev, int crtc); 1323extern u32 drm_vblank_count_and_time(struct drm_device *dev, int crtc, 1324 struct timeval *vblanktime); 1325extern void drm_send_vblank_event(struct drm_device *dev, int crtc, 1326 struct drm_pending_vblank_event *e); 1327extern bool drm_handle_vblank(struct drm_device *dev, int crtc); 1328extern int drm_vblank_get(struct drm_device *dev, int crtc); 1329extern void drm_vblank_put(struct drm_device *dev, int crtc); 1330extern void drm_vblank_off(struct drm_device *dev, int crtc); 1331extern void drm_vblank_cleanup(struct drm_device *dev); 1332extern u32 drm_get_last_vbltimestamp(struct drm_device *dev, int crtc, 1333 struct timeval *tvblank, unsigned flags); 1334extern int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev, 1335 int crtc, int *max_error, 1336 struct timeval *vblank_time, 1337 unsigned flags, 1338 struct drm_crtc *refcrtc); 1339extern void drm_calc_timestamping_constants(struct drm_crtc *crtc); 1340 1341extern bool 1342drm_mode_parse_command_line_for_connector(const char *mode_option, 1343 struct drm_connector *connector, 1344 struct drm_cmdline_mode *mode); 1345 1346extern struct drm_display_mode * 1347drm_mode_create_from_cmdline_mode(struct drm_device *dev, 1348 struct drm_cmdline_mode *cmd); 1349 1350/* Modesetting support */ 1351extern void drm_vblank_pre_modeset(struct drm_device *dev, int crtc); 1352extern void drm_vblank_post_modeset(struct drm_device *dev, int crtc); 1353extern int drm_modeset_ctl(struct drm_device *dev, void *data, 1354 struct drm_file *file_priv); 1355 1356 1357 /* Stub support (drm_stub.h) */ 1358extern int drm_setmaster_ioctl(struct drm_device *dev, void *data, 1359 struct drm_file *file_priv); 1360extern int drm_dropmaster_ioctl(struct drm_device *dev, void *data, 1361 struct drm_file *file_priv); 1362struct drm_master *drm_master_create(struct drm_minor *minor); 1363extern struct drm_master *drm_master_get(struct drm_master *master); 1364extern void drm_master_put(struct drm_master **master); 1365 1366extern void drm_put_dev(struct drm_device *dev); 1367extern int drm_put_minor(struct drm_minor **minor); 1368extern void drm_unplug_dev(struct drm_device *dev); 1369extern unsigned int drm_debug; 1370extern unsigned int drm_notyet; 1371 1372extern unsigned int drm_vblank_offdelay; 1373extern unsigned int drm_timestamp_precision; 1374extern unsigned int drm_timestamp_monotonic; 1375 1376extern struct drm_local_map *drm_getsarea(struct drm_device *dev); 1377 1378 1379#ifdef FREEBSD_NOTYET 1380extern int drm_gem_prime_handle_to_fd(struct drm_device *dev, 1381 struct drm_file *file_priv, uint32_t handle, uint32_t flags, 1382 int *prime_fd); 1383extern int drm_gem_prime_fd_to_handle(struct drm_device *dev, 1384 struct drm_file *file_priv, int prime_fd, uint32_t *handle); 1385 1386extern int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data, 1387 struct drm_file *file_priv); 1388extern int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data, 1389 struct drm_file *file_priv); 1390 1391extern int drm_prime_sg_to_page_addr_arrays(struct sg_table *sgt, vm_page_t *pages, 1392 dma_addr_t *addrs, int max_pages); 1393extern struct sg_table *drm_prime_pages_to_sg(vm_page_t *pages, int nr_pages); 1394extern void drm_prime_gem_destroy(struct drm_gem_object *obj, struct sg_table *sg); 1395 1396 1397void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv); 1398void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv); 1399int drm_prime_add_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t handle); 1400int drm_prime_lookup_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t *handle); 1401void drm_prime_remove_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf); 1402 1403int drm_prime_add_dma_buf(struct drm_device *dev, struct drm_gem_object *obj); 1404int drm_prime_lookup_obj(struct drm_device *dev, struct dma_buf *buf, 1405 struct drm_gem_object **obj); 1406#endif /* FREEBSD_NOTYET */ 1407 1408 /* Scatter Gather Support (drm_scatter.h) */ 1409extern void drm_sg_cleanup(struct drm_sg_mem * entry); 1410extern int drm_sg_alloc_ioctl(struct drm_device *dev, void *data, 1411 struct drm_file *file_priv); 1412extern int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request); 1413extern int drm_sg_free(struct drm_device *dev, void *data, 1414 struct drm_file *file_priv); 1415 1416 /* ATI PCIGART support (ati_pcigart.h) */ 1417extern int drm_ati_pcigart_init(struct drm_device *dev, 1418 struct drm_ati_pcigart_info * gart_info); 1419extern int drm_ati_pcigart_cleanup(struct drm_device *dev, 1420 struct drm_ati_pcigart_info * gart_info); 1421 1422extern drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size, 1423 size_t align, dma_addr_t maxaddr); 1424extern void __drm_pci_free(struct drm_device *dev, drm_dma_handle_t * dmah); 1425extern void drm_pci_free(struct drm_device *dev, drm_dma_handle_t * dmah); 1426 1427/* Graphics Execution Manager library functions (drm_gem.c) */ 1428int drm_gem_init(struct drm_device *dev); 1429void drm_gem_destroy(struct drm_device *dev); 1430void drm_gem_object_release(struct drm_gem_object *obj); 1431void drm_gem_object_free(struct drm_gem_object *obj); 1432struct drm_gem_object *drm_gem_object_alloc(struct drm_device *dev, 1433 size_t size); 1434int drm_gem_object_init(struct drm_device *dev, 1435 struct drm_gem_object *obj, size_t size); 1436int drm_gem_private_object_init(struct drm_device *dev, 1437 struct drm_gem_object *obj, size_t size); 1438void drm_gem_object_handle_free(struct drm_gem_object *obj); 1439int drm_gem_mmap_single(struct drm_device *dev, vm_ooffset_t *offset, 1440 vm_size_t size, struct vm_object **obj_res, int nprot); 1441void drm_gem_pager_dtr(void *obj); 1442 1443#include <dev/drm2/drm_global.h> 1444 1445static inline void 1446drm_gem_object_reference(struct drm_gem_object *obj) 1447{ 1448 1449 KASSERT(obj->refcount > 0, ("Dangling obj %p", obj)); 1450 refcount_acquire(&obj->refcount); 1451} 1452 1453static inline void 1454drm_gem_object_unreference(struct drm_gem_object *obj) 1455{ 1456 1457 if (obj == NULL) 1458 return; 1459 if (refcount_release(&obj->refcount)) 1460 drm_gem_object_free(obj); 1461} 1462 1463static inline void 1464drm_gem_object_unreference_unlocked(struct drm_gem_object *obj) 1465{ 1466 if (obj != NULL) { 1467 struct drm_device *dev = obj->dev; 1468 DRM_LOCK(dev); 1469 drm_gem_object_unreference(obj); 1470 DRM_UNLOCK(dev); 1471 } 1472} 1473 1474int drm_gem_handle_create(struct drm_file *file_priv, 1475 struct drm_gem_object *obj, 1476 u32 *handlep); 1477int drm_gem_handle_delete(struct drm_file *filp, u32 handle); 1478 1479static inline void 1480drm_gem_object_handle_reference(struct drm_gem_object *obj) 1481{ 1482 drm_gem_object_reference(obj); 1483 atomic_inc(&obj->handle_count); 1484} 1485 1486static inline void 1487drm_gem_object_handle_unreference(struct drm_gem_object *obj) 1488{ 1489 if (obj == NULL) 1490 return; 1491 1492 if (atomic_read(&obj->handle_count) == 0) 1493 return; 1494 /* 1495 * Must bump handle count first as this may be the last 1496 * ref, in which case the object would disappear before we 1497 * checked for a name 1498 */ 1499 if (atomic_dec_and_test(&obj->handle_count)) 1500 drm_gem_object_handle_free(obj); 1501 drm_gem_object_unreference(obj); 1502} 1503 1504static inline void 1505drm_gem_object_handle_unreference_unlocked(struct drm_gem_object *obj) 1506{ 1507 if (obj == NULL) 1508 return; 1509 1510 if (atomic_read(&obj->handle_count) == 0) 1511 return; 1512 1513 /* 1514 * Must bump handle count first as this may be the last 1515 * ref, in which case the object would disappear before we 1516 * checked for a name 1517 */ 1518 1519 if (atomic_dec_and_test(&obj->handle_count)) 1520 drm_gem_object_handle_free(obj); 1521 drm_gem_object_unreference_unlocked(obj); 1522} 1523 1524void drm_gem_free_mmap_offset(struct drm_gem_object *obj); 1525int drm_gem_create_mmap_offset(struct drm_gem_object *obj); 1526 1527struct drm_gem_object *drm_gem_object_lookup(struct drm_device *dev, 1528 struct drm_file *filp, 1529 u32 handle); 1530int drm_gem_close_ioctl(struct drm_device *dev, void *data, 1531 struct drm_file *file_priv); 1532int drm_gem_flink_ioctl(struct drm_device *dev, void *data, 1533 struct drm_file *file_priv); 1534int drm_gem_open_ioctl(struct drm_device *dev, void *data, 1535 struct drm_file *file_priv); 1536void drm_gem_open(struct drm_device *dev, struct drm_file *file_private); 1537void drm_gem_release(struct drm_device *dev, struct drm_file *file_private); 1538 1539extern void drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev); 1540extern void drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev); 1541extern void drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev); 1542 1543static __inline__ struct drm_local_map *drm_core_findmap(struct drm_device *dev, 1544 unsigned int token) 1545{ 1546 struct drm_map_list *_entry; 1547 list_for_each_entry(_entry, &dev->maplist, head) 1548 if (_entry->user_token == token) 1549 return _entry->map; 1550 return NULL; 1551} 1552 1553static __inline__ void drm_core_dropmap(struct drm_local_map *map) 1554{ 1555} 1556 1557#include <dev/drm2/drm_mem_util.h> 1558 1559extern int drm_fill_in_dev(struct drm_device *dev, 1560 struct drm_driver *driver); 1561extern void drm_cancel_fill_in_dev(struct drm_device *dev); 1562int drm_get_minor(struct drm_device *dev, struct drm_minor **minor, int type); 1563/*@}*/ 1564 1565/* PCI section */ 1566int drm_pci_device_is_agp(struct drm_device *dev); 1567int drm_pci_device_is_pcie(struct drm_device *dev); 1568 1569extern int drm_get_pci_dev(device_t kdev, struct drm_device *dev, 1570 struct drm_driver *driver); 1571 1572#define DRM_PCIE_SPEED_25 1 1573#define DRM_PCIE_SPEED_50 2 1574#define DRM_PCIE_SPEED_80 4 1575 1576extern int drm_pcie_get_speed_cap_mask(struct drm_device *dev, u32 *speed_mask); 1577 1578#define drm_can_sleep() (DRM_HZ & 1) 1579 1580/* Platform section */ 1581int drm_get_platform_dev(device_t kdev, struct drm_device *dev, 1582 struct drm_driver *driver); 1583 1584/* FreeBSD specific -- should be moved to drm_os_freebsd.h */ 1585 1586#define DRM_GEM_MAPPING_MASK (3ULL << 62) 1587#define DRM_GEM_MAPPING_KEY (2ULL << 62) /* Non-canonical address form */ 1588#define DRM_GEM_MAX_IDX 0x3fffff 1589#define DRM_GEM_MAPPING_IDX(o) (((o) >> 40) & DRM_GEM_MAX_IDX) 1590#define DRM_GEM_MAPPING_OFF(i) (((uint64_t)(i)) << 40) 1591#define DRM_GEM_MAPPING_MAPOFF(o) \ 1592 ((o) & ~(DRM_GEM_MAPPING_OFF(DRM_GEM_MAX_IDX) | DRM_GEM_MAPPING_KEY)) 1593 1594SYSCTL_DECL(_hw_drm); 1595 1596#define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP) 1597#define DRM_DEV_UID UID_ROOT 1598#define DRM_DEV_GID GID_VIDEO 1599 1600#define DRM_WAKEUP(w) wakeup((void *)w) 1601#define DRM_WAKEUP_INT(w) wakeup(w) 1602#define DRM_INIT_WAITQUEUE(queue) do {(void)(queue);} while (0) 1603 1604#define DRM_CURPROC curthread 1605#define DRM_STRUCTPROC struct thread 1606#define DRM_SPINTYPE struct mtx 1607#define DRM_SPININIT(l,name) mtx_init(l, name, NULL, MTX_DEF) 1608#define DRM_SPINUNINIT(l) mtx_destroy(l) 1609#define DRM_SPINLOCK(l) mtx_lock(l) 1610#define DRM_SPINUNLOCK(u) mtx_unlock(u) 1611#define DRM_SPINLOCK_IRQSAVE(l, irqflags) do { \ 1612 mtx_lock(l); \ 1613 (void)irqflags; \ 1614} while (0) 1615#define DRM_SPINUNLOCK_IRQRESTORE(u, irqflags) mtx_unlock(u) 1616#define DRM_SPINLOCK_ASSERT(l) mtx_assert(l, MA_OWNED) 1617#define DRM_LOCK_SLEEP(dev, chan, flags, msg, timeout) \ 1618 (sx_sleep((chan), &(dev)->dev_struct_lock, (flags), (msg), (timeout))) 1619#if defined(INVARIANTS) 1620#define DRM_LOCK_ASSERT(dev) sx_assert(&(dev)->dev_struct_lock, SA_XLOCKED) 1621#define DRM_UNLOCK_ASSERT(dev) sx_assert(&(dev)->dev_struct_lock, SA_UNLOCKED) 1622#else 1623#define DRM_LOCK_ASSERT(d) 1624#define DRM_UNLOCK_ASSERT(d) 1625#endif 1626 1627#define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS) 1628 1629enum { 1630 DRM_IS_NOT_AGP, 1631 DRM_IS_AGP, 1632 DRM_MIGHT_BE_AGP 1633}; 1634 1635#define DRM_VERIFYAREA_READ( uaddr, size ) \ 1636 (!useracc(__DECONST(caddr_t, uaddr), size, VM_PROT_READ)) 1637 1638#define DRM_COPY_TO_USER(user, kern, size) \ 1639 copyout(kern, user, size) 1640#define DRM_COPY_FROM_USER(kern, user, size) \ 1641 copyin(user, kern, size) 1642#define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \ 1643 copyin(arg2, arg1, arg3) 1644#define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \ 1645 copyout(arg2, arg1, arg3) 1646#define DRM_GET_USER_UNCHECKED(val, uaddr) \ 1647 ((val) = fuword32(uaddr), 0) 1648 1649#define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \ 1650 (_map) = (_dev)->context_sareas[_ctx]; \ 1651} while(0) 1652 1653/* Returns -errno to shared code */ 1654#define DRM_WAIT_ON( ret, queue, timeout, condition ) \ 1655for ( ret = 0 ; !ret && !(condition) ; ) { \ 1656 DRM_UNLOCK(dev); \ 1657 mtx_lock(&dev->irq_lock); \ 1658 if (!(condition)) \ 1659 ret = -mtx_sleep(&(queue), &dev->irq_lock, \ 1660 PCATCH, "drmwtq", (timeout)); \ 1661 if (ret == -ERESTART) \ 1662 ret = -ERESTARTSYS; \ 1663 mtx_unlock(&dev->irq_lock); \ 1664 DRM_LOCK(dev); \ 1665} 1666 1667#define dev_err(dev, fmt, ...) \ 1668 device_printf((dev), "error: " fmt, ## __VA_ARGS__) 1669#define dev_warn(dev, fmt, ...) \ 1670 device_printf((dev), "warning: " fmt, ## __VA_ARGS__) 1671#define dev_info(dev, fmt, ...) \ 1672 device_printf((dev), "info: " fmt, ## __VA_ARGS__) 1673#define dev_dbg(dev, fmt, ...) do { \ 1674 if ((drm_debug& DRM_DEBUGBITS_KMS) != 0) { \ 1675 device_printf((dev), "debug: " fmt, ## __VA_ARGS__); \ 1676 } \ 1677} while (0) 1678 1679struct drm_msi_blacklist_entry 1680{ 1681 int vendor; 1682 int device; 1683}; 1684 1685struct drm_vblank_info { 1686 wait_queue_head_t queue; /* vblank wait queue */ 1687 atomic_t count; /* number of VBLANK interrupts */ 1688 /* (driver must alloc the right number of counters) */ 1689 atomic_t refcount; /* number of users of vblank interrupts */ 1690 u32 last; /* protected by dev->vbl_lock, used */ 1691 /* for wraparound handling */ 1692 int enabled; /* so we don't call enable more than */ 1693 /* once per disable */ 1694 int inmodeset; /* Display driver is setting mode */ 1695}; 1696 1697#ifndef DMA_BIT_MASK 1698#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : (1ULL<<(n)) - 1) 1699#endif 1700 1701#define upper_32_bits(n) ((u32)(((n) >> 16) >> 16)) 1702 1703enum dmi_field { 1704 DMI_NONE, 1705 DMI_BIOS_VENDOR, 1706 DMI_BIOS_VERSION, 1707 DMI_BIOS_DATE, 1708 DMI_SYS_VENDOR, 1709 DMI_PRODUCT_NAME, 1710 DMI_PRODUCT_VERSION, 1711 DMI_PRODUCT_SERIAL, 1712 DMI_PRODUCT_UUID, 1713 DMI_BOARD_VENDOR, 1714 DMI_BOARD_NAME, 1715 DMI_BOARD_VERSION, 1716 DMI_BOARD_SERIAL, 1717 DMI_BOARD_ASSET_TAG, 1718 DMI_CHASSIS_VENDOR, 1719 DMI_CHASSIS_TYPE, 1720 DMI_CHASSIS_VERSION, 1721 DMI_CHASSIS_SERIAL, 1722 DMI_CHASSIS_ASSET_TAG, 1723 DMI_STRING_MAX, 1724}; 1725 1726struct dmi_strmatch { 1727 unsigned char slot; 1728 char substr[79]; 1729}; 1730 1731struct dmi_system_id { 1732 int (*callback)(const struct dmi_system_id *); 1733 const char *ident; 1734 struct dmi_strmatch matches[4]; 1735}; 1736#define DMI_MATCH(a, b) {(a), (b)} 1737bool dmi_check_system(const struct dmi_system_id *); 1738 1739/* Device setup support (drm_drv.c) */ 1740int drm_probe_helper(device_t kdev, const drm_pci_id_list_t *idlist); 1741int drm_attach_helper(device_t kdev, const drm_pci_id_list_t *idlist, 1742 struct drm_driver *driver); 1743int drm_generic_suspend(device_t kdev); 1744int drm_generic_resume(device_t kdev); 1745int drm_generic_detach(device_t kdev); 1746 1747void drm_event_wakeup(struct drm_pending_event *e); 1748 1749int drm_add_busid_modesetting(struct drm_device *dev, 1750 struct sysctl_ctx_list *ctx, struct sysctl_oid *top); 1751 1752/* Buffer management support (drm_bufs.c) */ 1753unsigned long drm_get_resource_start(struct drm_device *dev, 1754 unsigned int resource); 1755unsigned long drm_get_resource_len(struct drm_device *dev, 1756 unsigned int resource); 1757 1758/* IRQ support (drm_irq.c) */ 1759irqreturn_t drm_irq_handler(DRM_IRQ_ARGS); 1760void drm_driver_irq_preinstall(struct drm_device *dev); 1761void drm_driver_irq_postinstall(struct drm_device *dev); 1762void drm_driver_irq_uninstall(struct drm_device *dev); 1763 1764/* sysctl support (drm_sysctl.h) */ 1765extern int drm_sysctl_init(struct drm_device *dev); 1766extern int drm_sysctl_cleanup(struct drm_device *dev); 1767 1768int drm_version(struct drm_device *dev, void *data, 1769 struct drm_file *file_priv); 1770 1771/* consistent PCI memory functions (drm_pci.c) */ 1772int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master); 1773int drm_pci_set_unique(struct drm_device *dev, struct drm_master *master, 1774 struct drm_unique *u); 1775int drm_pci_agp_init(struct drm_device *dev); 1776int drm_pci_enable_msi(struct drm_device *dev); 1777void drm_pci_disable_msi(struct drm_device *dev); 1778 1779struct ttm_bo_device; 1780int ttm_bo_mmap_single(struct ttm_bo_device *bdev, vm_ooffset_t *offset, 1781 vm_size_t size, struct vm_object **obj_res, int nprot); 1782struct ttm_buffer_object; 1783void ttm_bo_release_mmap(struct ttm_buffer_object *bo); 1784 1785#if __OS_HAS_AGP 1786 /* Memory management support (drm_memory.h) */ 1787extern void drm_free_agp(DRM_AGP_MEM * handle, int pages); 1788extern int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start); 1789#ifdef FREEBSD_NOTYET 1790extern DRM_AGP_MEM *drm_agp_bind_pages(struct drm_device *dev, 1791 struct page **pages, 1792 unsigned long num_pages, 1793 uint32_t gtt_offset, 1794 uint32_t type); 1795#endif /* FREEBSD_NOTYET */ 1796extern int drm_unbind_agp(DRM_AGP_MEM * handle); 1797 1798 /* AGP/GART support (drm_agpsupport.h) */ 1799extern struct drm_agp_head *drm_agp_init(struct drm_device *dev); 1800extern int drm_agp_acquire(struct drm_device *dev); 1801extern int drm_agp_acquire_ioctl(struct drm_device *dev, void *data, 1802 struct drm_file *file_priv); 1803extern int drm_agp_release(struct drm_device *dev); 1804extern int drm_agp_release_ioctl(struct drm_device *dev, void *data, 1805 struct drm_file *file_priv); 1806extern int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode); 1807extern int drm_agp_enable_ioctl(struct drm_device *dev, void *data, 1808 struct drm_file *file_priv); 1809extern int drm_agp_info(struct drm_device *dev, struct drm_agp_info *info); 1810extern int drm_agp_info_ioctl(struct drm_device *dev, void *data, 1811 struct drm_file *file_priv); 1812extern int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request); 1813extern int drm_agp_alloc_ioctl(struct drm_device *dev, void *data, 1814 struct drm_file *file_priv); 1815extern int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request); 1816extern int drm_agp_free_ioctl(struct drm_device *dev, void *data, 1817 struct drm_file *file_priv); 1818extern int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request); 1819extern int drm_agp_unbind_ioctl(struct drm_device *dev, void *data, 1820 struct drm_file *file_priv); 1821extern int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request); 1822extern int drm_agp_bind_ioctl(struct drm_device *dev, void *data, 1823 struct drm_file *file_priv); 1824 1825#else 1826 1827static inline void drm_free_agp(DRM_AGP_MEM * handle, int pages) 1828{ 1829} 1830 1831static inline int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start) 1832{ 1833 return -ENODEV; 1834} 1835 1836static inline int drm_unbind_agp(DRM_AGP_MEM * handle) 1837{ 1838 return -ENODEV; 1839} 1840#ifdef FREEBSD_NOTYET 1841static inline struct agp_memory *drm_agp_bind_pages(struct drm_device *dev, 1842 struct page **pages, 1843 unsigned long num_pages, 1844 uint32_t gtt_offset, 1845 uint32_t type) 1846{ 1847 return NULL; 1848} 1849#endif 1850static inline struct drm_agp_head *drm_agp_init(struct drm_device *dev) 1851{ 1852 return NULL; 1853} 1854 1855static inline void drm_agp_clear(struct drm_device *dev) 1856{ 1857} 1858 1859static inline int drm_agp_acquire(struct drm_device *dev) 1860{ 1861 return -ENODEV; 1862} 1863 1864static inline int drm_agp_acquire_ioctl(struct drm_device *dev, void *data, 1865 struct drm_file *file_priv) 1866{ 1867 return -ENODEV; 1868} 1869 1870static inline int drm_agp_release(struct drm_device *dev) 1871{ 1872 return -ENODEV; 1873} 1874 1875static inline int drm_agp_release_ioctl(struct drm_device *dev, void *data, 1876 struct drm_file *file_priv) 1877{ 1878 return -ENODEV; 1879} 1880 1881static inline int drm_agp_enable(struct drm_device *dev, 1882 struct drm_agp_mode mode) 1883{ 1884 return -ENODEV; 1885} 1886 1887static inline int drm_agp_enable_ioctl(struct drm_device *dev, void *data, 1888 struct drm_file *file_priv) 1889{ 1890 return -ENODEV; 1891} 1892 1893static inline int drm_agp_info(struct drm_device *dev, 1894 struct drm_agp_info *info) 1895{ 1896 return -ENODEV; 1897} 1898 1899static inline int drm_agp_info_ioctl(struct drm_device *dev, void *data, 1900 struct drm_file *file_priv) 1901{ 1902 return -ENODEV; 1903} 1904 1905static inline int drm_agp_alloc(struct drm_device *dev, 1906 struct drm_agp_buffer *request) 1907{ 1908 return -ENODEV; 1909} 1910 1911static inline int drm_agp_alloc_ioctl(struct drm_device *dev, void *data, 1912 struct drm_file *file_priv) 1913{ 1914 return -ENODEV; 1915} 1916 1917static inline int drm_agp_free(struct drm_device *dev, 1918 struct drm_agp_buffer *request) 1919{ 1920 return -ENODEV; 1921} 1922 1923static inline int drm_agp_free_ioctl(struct drm_device *dev, void *data, 1924 struct drm_file *file_priv) 1925{ 1926 return -ENODEV; 1927} 1928 1929static inline int drm_agp_unbind(struct drm_device *dev, 1930 struct drm_agp_binding *request) 1931{ 1932 return -ENODEV; 1933} 1934 1935static inline int drm_agp_unbind_ioctl(struct drm_device *dev, void *data, 1936 struct drm_file *file_priv) 1937{ 1938 return -ENODEV; 1939} 1940 1941static inline int drm_agp_bind(struct drm_device *dev, 1942 struct drm_agp_binding *request) 1943{ 1944 return -ENODEV; 1945} 1946 1947static inline int drm_agp_bind_ioctl(struct drm_device *dev, void *data, 1948 struct drm_file *file_priv) 1949{ 1950 return -ENODEV; 1951} 1952 1953#endif /* __OS_HAS_AGP */ 1954 1955#endif /* __KERNEL__ */ 1956#endif 1957