1/** 2 * \file drmP.h 3 * Private header for Direct Rendering Manager 4 * 5 * \author Rickard E. (Rik) Faith <faith@valinux.com> 6 * \author Gareth Hughes <gareth@valinux.com> 7 */ 8 9/* 10 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. 11 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. 12 * Copyright (c) 2009-2010, Code Aurora Forum. 13 * All rights reserved. 14 * 15 * Permission is hereby granted, free of charge, to any person obtaining a 16 * copy of this software and associated documentation files (the "Software"), 17 * to deal in the Software without restriction, including without limitation 18 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 19 * and/or sell copies of the Software, and to permit persons to whom the 20 * Software is furnished to do so, subject to the following conditions: 21 * 22 * The above copyright notice and this permission notice (including the next 23 * paragraph) shall be included in all copies or substantial portions of the 24 * Software. 25 * 26 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 27 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 28 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 29 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 30 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 31 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 32 * OTHER DEALINGS IN THE SOFTWARE. 33 */ 34 35#include <sys/cdefs.h> 36__FBSDID("$FreeBSD$"); 37 38#ifndef _DRM_P_H_ 39#define _DRM_P_H_ 40 41#if defined(_KERNEL) || defined(__KERNEL__) 42 43#include <sys/param.h> 44#include <sys/queue.h> 45#include <sys/malloc.h> 46#include <sys/kernel.h> 47#include <sys/ktr.h> 48#include <sys/module.h> 49#include <sys/systm.h> 50#include <sys/conf.h> 51#include <sys/sglist.h> 52#include <sys/stat.h> 53#include <sys/priv.h> 54#include <sys/proc.h> 55#include <sys/lock.h> 56#include <sys/fcntl.h> 57#include <sys/uio.h> 58#include <sys/filio.h> 59#include <sys/rwlock.h> 60#include <sys/selinfo.h> 61#include <sys/sysctl.h> 62#include <sys/bus.h> 63#include <sys/queue.h> 64#include <sys/signalvar.h> 65#include <sys/poll.h> 66#include <sys/sbuf.h> 67#include <sys/taskqueue.h> 68#include <sys/tree.h> 69#include <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/param.h> 80#include <machine/pmap.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_internal.h> 104#include <dev/drm2/drm_linux_list.h> 105#include <dev/drm2/drm_gem_names.h> 106 107struct drm_file; 108struct drm_device; 109 110#include <dev/drm2/drm_os_freebsd.h> 111#include <dev/drm2/drm_hashtab.h> 112#include <dev/drm2/drm_mm.h> 113 114#include "opt_compat.h" 115#include "opt_drm.h" 116#ifdef DRM_DEBUG 117#undef DRM_DEBUG 118#define DRM_DEBUG_DEFAULT_ON 1 119#endif /* DRM_DEBUG */ 120 121#define DRM_DEBUGBITS_DEBUG 0x1 122#define DRM_DEBUGBITS_KMS 0x2 123#define DRM_DEBUGBITS_FAILED_IOCTL 0x4 124 125#undef DRM_LINUX 126#define DRM_LINUX 0 127 128/***********************************************************************/ 129/** \name DRM template customization defaults */ 130/*@{*/ 131 132/* driver capabilities and requirements mask */ 133#define DRIVER_USE_AGP 0x1 134#define DRIVER_REQUIRE_AGP 0x2 135#define DRIVER_USE_MTRR 0x4 136#define DRIVER_PCI_DMA 0x8 137#define DRIVER_SG 0x10 138#define DRIVER_HAVE_DMA 0x20 139#define DRIVER_HAVE_IRQ 0x40 140#define DRIVER_IRQ_SHARED 0x80 141#define DRIVER_IRQ_VBL 0x100 142#define DRIVER_DMA_QUEUE 0x200 143#define DRIVER_FB_DMA 0x400 144#define DRIVER_IRQ_VBL2 0x800 145#define DRIVER_GEM 0x1000 146#define DRIVER_MODESET 0x2000 147#define DRIVER_PRIME 0x4000 148#define DRIVER_LOCKLESS_IRQ 0x8000 149 150 151#define DRM_HASH_SIZE 16 /* Size of key hash table */ 152#define DRM_KERNEL_CONTEXT 0 /* Change drm_resctx if changed */ 153#define DRM_RESERVED_CONTEXTS 1 /* Change drm_resctx if changed */ 154 155#define DRM_GEM_MAPPING_MASK (3ULL << 62) 156#define DRM_GEM_MAPPING_KEY (2ULL << 62) /* Non-canonical address form */ 157#define DRM_GEM_MAX_IDX 0x3fffff 158#define DRM_GEM_MAPPING_IDX(o) (((o) >> 40) & DRM_GEM_MAX_IDX) 159#define DRM_GEM_MAPPING_OFF(i) (((uint64_t)(i)) << 40) 160#define DRM_GEM_MAPPING_MAPOFF(o) \ 161 ((o) & ~(DRM_GEM_MAPPING_OFF(DRM_GEM_MAX_IDX) | DRM_GEM_MAPPING_KEY)) 162 163MALLOC_DECLARE(DRM_MEM_DMA); 164MALLOC_DECLARE(DRM_MEM_SAREA); 165MALLOC_DECLARE(DRM_MEM_DRIVER); 166MALLOC_DECLARE(DRM_MEM_MAGIC); 167MALLOC_DECLARE(DRM_MEM_IOCTLS); 168MALLOC_DECLARE(DRM_MEM_MAPS); 169MALLOC_DECLARE(DRM_MEM_BUFS); 170MALLOC_DECLARE(DRM_MEM_SEGS); 171MALLOC_DECLARE(DRM_MEM_PAGES); 172MALLOC_DECLARE(DRM_MEM_FILES); 173MALLOC_DECLARE(DRM_MEM_QUEUES); 174MALLOC_DECLARE(DRM_MEM_CMDS); 175MALLOC_DECLARE(DRM_MEM_MAPPINGS); 176MALLOC_DECLARE(DRM_MEM_BUFLISTS); 177MALLOC_DECLARE(DRM_MEM_AGPLISTS); 178MALLOC_DECLARE(DRM_MEM_CTXBITMAP); 179MALLOC_DECLARE(DRM_MEM_SGLISTS); 180MALLOC_DECLARE(DRM_MEM_DRAWABLE); 181MALLOC_DECLARE(DRM_MEM_MM); 182MALLOC_DECLARE(DRM_MEM_HASHTAB); 183MALLOC_DECLARE(DRM_MEM_KMS); 184 185SYSCTL_DECL(_hw_drm); 186 187#define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) 188 189/***********************************************************************/ 190/** \name Internal types and structures */ 191/*@{*/ 192 193#define DRM_ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) 194#define DRM_MIN(a,b) ((a)<(b)?(a):(b)) 195#define DRM_MAX(a,b) ((a)>(b)?(a):(b)) 196 197#define DRM_IF_VERSION(maj, min) (maj << 16 | min) 198 199#define __OS_HAS_AGP 1 200 201#define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP) 202#define DRM_DEV_UID 0 203#define DRM_DEV_GID 0 204 205#define wait_queue_head_t atomic_t 206#define DRM_WAKEUP(w) wakeup((void *)w) 207#define DRM_WAKEUP_INT(w) wakeup(w) 208#define DRM_INIT_WAITQUEUE(queue) do {(void)(queue);} while (0) 209 210#define DRM_CURPROC curthread 211#define DRM_STRUCTPROC struct thread 212#define DRM_SPINTYPE struct mtx 213#define DRM_SPININIT(l,name) mtx_init(l, name, NULL, MTX_DEF) 214#define DRM_SPINUNINIT(l) mtx_destroy(l) 215#define DRM_SPINLOCK(l) mtx_lock(l) 216#define DRM_SPINUNLOCK(u) mtx_unlock(u) 217#define DRM_SPINLOCK_IRQSAVE(l, irqflags) do { \ 218 mtx_lock(l); \ 219 (void)irqflags; \ 220} while (0) 221#define DRM_SPINUNLOCK_IRQRESTORE(u, irqflags) mtx_unlock(u) 222#define DRM_SPINLOCK_ASSERT(l) mtx_assert(l, MA_OWNED) 223#define DRM_CURRENTPID curthread->td_proc->p_pid 224#define DRM_LOCK(dev) sx_xlock(&(dev)->dev_struct_lock) 225#define DRM_UNLOCK(dev) sx_xunlock(&(dev)->dev_struct_lock) 226#define DRM_LOCK_SLEEP(dev, chan, flags, msg, timeout) \ 227 (sx_sleep((chan), &(dev)->dev_struct_lock, (flags), (msg), (timeout))) 228#if defined(INVARIANTS) 229#define DRM_LOCK_ASSERT(dev) sx_assert(&(dev)->dev_struct_lock, SA_XLOCKED) 230#define DRM_UNLOCK_ASSERT(dev) sx_assert(&(dev)->dev_struct_lock, SA_UNLOCKED) 231#else 232#define DRM_LOCK_ASSERT(d) 233#define DRM_UNLOCK_ASSERT(d) 234#endif 235 236#define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS) 237 238#define DRM_IRQ_ARGS void *arg 239typedef void irqreturn_t; 240#define IRQ_HANDLED /* nothing */ 241#define IRQ_NONE /* nothing */ 242 243enum { 244 DRM_IS_NOT_AGP, 245 DRM_IS_AGP, 246 DRM_MIGHT_BE_AGP 247}; 248#define DRM_AGP_MEM struct agp_memory_info 249 250#define drm_get_device_from_kdev(_kdev) (_kdev->si_drv1) 251 252#define PAGE_ALIGN(addr) round_page(addr) 253/* DRM_SUSER returns true if the user is superuser */ 254#define DRM_SUSER(p) (priv_check(p, PRIV_DRIVER) == 0) 255#define DRM_AGP_FIND_DEVICE() agp_find_device() 256#define DRM_MTRR_WC MDF_WRITECOMBINE 257#define jiffies ticks 258#define jiffies_to_msecs(x) (((int64_t)(x)) * 1000 / hz) 259#define msecs_to_jiffies(x) (((int64_t)(x)) * hz / 1000) 260#define time_after(a,b) ((long)(b) - (long)(a) < 0) 261#define time_after_eq(a,b) ((long)(b) - (long)(a) <= 0) 262#define drm_msleep(x, msg) pause((msg), ((int64_t)(x)) * hz / 1000) 263 264/* DRM_READMEMORYBARRIER() prevents reordering of reads. 265 * DRM_WRITEMEMORYBARRIER() prevents reordering of writes. 266 * DRM_MEMORYBARRIER() prevents reordering of reads and writes. 267 */ 268#define DRM_READMEMORYBARRIER() rmb() 269#define DRM_WRITEMEMORYBARRIER() wmb() 270#define DRM_MEMORYBARRIER() mb() 271 272#define DRM_READ8(map, offset) \ 273 *(volatile u_int8_t *)(((vm_offset_t)(map)->virtual) + \ 274 (vm_offset_t)(offset)) 275#define DRM_READ16(map, offset) \ 276 le16toh(*(volatile u_int16_t *)(((vm_offset_t)(map)->virtual) + \ 277 (vm_offset_t)(offset))) 278#define DRM_READ32(map, offset) \ 279 le32toh(*(volatile u_int32_t *)(((vm_offset_t)(map)->virtual) + \ 280 (vm_offset_t)(offset))) 281#define DRM_READ64(map, offset) \ 282 le64toh(*(volatile u_int64_t *)(((vm_offset_t)(map)->virtual) + \ 283 (vm_offset_t)(offset))) 284#define DRM_WRITE8(map, offset, val) \ 285 *(volatile u_int8_t *)(((vm_offset_t)(map)->virtual) + \ 286 (vm_offset_t)(offset)) = val 287#define DRM_WRITE16(map, offset, val) \ 288 *(volatile u_int16_t *)(((vm_offset_t)(map)->virtual) + \ 289 (vm_offset_t)(offset)) = htole16(val) 290#define DRM_WRITE32(map, offset, val) \ 291 *(volatile u_int32_t *)(((vm_offset_t)(map)->virtual) + \ 292 (vm_offset_t)(offset)) = htole32(val) 293#define DRM_WRITE64(map, offset, val) \ 294 *(volatile u_int64_t *)(((vm_offset_t)(map)->virtual) + \ 295 (vm_offset_t)(offset)) = htole64(val) 296 297#define DRM_VERIFYAREA_READ( uaddr, size ) \ 298 (!useracc(__DECONST(caddr_t, uaddr), size, VM_PROT_READ)) 299 300#define DRM_COPY_TO_USER(user, kern, size) \ 301 copyout(kern, user, size) 302#define DRM_COPY_FROM_USER(kern, user, size) \ 303 copyin(user, kern, size) 304#define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \ 305 copyin(arg2, arg1, arg3) 306#define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \ 307 copyout(arg2, arg1, arg3) 308#define DRM_GET_USER_UNCHECKED(val, uaddr) \ 309 ((val) = fuword32(uaddr), 0) 310 311#define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \ 312 (_map) = (_dev)->context_sareas[_ctx]; \ 313} while(0) 314 315#define LOCK_TEST_WITH_RETURN(dev, file_priv) \ 316do { \ 317 if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \ 318 dev->lock.file_priv != file_priv) { \ 319 DRM_ERROR("%s called without lock held\n", \ 320 __FUNCTION__); \ 321 return EINVAL; \ 322 } \ 323} while (0) 324 325/* Returns -errno to shared code */ 326#define DRM_WAIT_ON( ret, queue, timeout, condition ) \ 327for ( ret = 0 ; !ret && !(condition) ; ) { \ 328 DRM_UNLOCK(dev); \ 329 mtx_lock(&dev->irq_lock); \ 330 if (!(condition)) \ 331 ret = -mtx_sleep(&(queue), &dev->irq_lock, \ 332 PCATCH, "drmwtq", (timeout)); \ 333 mtx_unlock(&dev->irq_lock); \ 334 DRM_LOCK(dev); \ 335} 336 337#define DRM_ERROR(fmt, ...) \ 338 printf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt, \ 339 DRM_CURRENTPID, __func__ , ##__VA_ARGS__) 340 341#define DRM_INFO(fmt, ...) printf("info: [" DRM_NAME "] " fmt , ##__VA_ARGS__) 342 343#define DRM_DEBUG(fmt, ...) do { \ 344 if ((drm_debug_flag & DRM_DEBUGBITS_DEBUG) != 0) \ 345 printf("[" DRM_NAME ":pid%d:%s] " fmt, DRM_CURRENTPID, \ 346 __func__ , ##__VA_ARGS__); \ 347} while (0) 348 349#define DRM_DEBUG_KMS(fmt, ...) do { \ 350 if ((drm_debug_flag & DRM_DEBUGBITS_KMS) != 0) \ 351 printf("[" DRM_NAME ":KMS:pid%d:%s] " fmt, DRM_CURRENTPID,\ 352 __func__ , ##__VA_ARGS__); \ 353} while (0) 354 355#define DRM_DEBUG_DRIVER(fmt, ...) do { \ 356 if ((drm_debug_flag & DRM_DEBUGBITS_KMS) != 0) \ 357 printf("[" DRM_NAME ":KMS:pid%d:%s] " fmt, DRM_CURRENTPID,\ 358 __func__ , ##__VA_ARGS__); \ 359} while (0) 360 361#define dev_err(dev, fmt, ...) \ 362 device_printf((dev), "error: " fmt, ## __VA_ARGS__) 363#define dev_warn(dev, fmt, ...) \ 364 device_printf((dev), "warning: " fmt, ## __VA_ARGS__) 365#define dev_info(dev, fmt, ...) \ 366 device_printf((dev), "info: " fmt, ## __VA_ARGS__) 367#define dev_dbg(dev, fmt, ...) do { \ 368 if ((drm_debug_flag& DRM_DEBUGBITS_KMS) != 0) { \ 369 device_printf((dev), "debug: " fmt, ## __VA_ARGS__); \ 370 } \ 371} while (0) 372 373typedef struct drm_pci_id_list 374{ 375 int vendor; 376 int device; 377 long driver_private; 378 char *name; 379} drm_pci_id_list_t; 380 381struct drm_msi_blacklist_entry 382{ 383 int vendor; 384 int device; 385}; 386 387#define DRM_AUTH 0x1 388#define DRM_MASTER 0x2 389#define DRM_ROOT_ONLY 0x4 390#define DRM_CONTROL_ALLOW 0x8 391#define DRM_UNLOCKED 0x10 392 393typedef struct drm_ioctl_desc { 394 unsigned long cmd; 395 int (*func)(struct drm_device *dev, void *data, 396 struct drm_file *file_priv); 397 int flags; 398 unsigned int cmd_drv; 399} drm_ioctl_desc_t; 400 401/** 402 * Creates a driver or general drm_ioctl_desc array entry for the given 403 * ioctl, for use by drm_ioctl(). 404 */ 405#define DRM_IOCTL_DEF(ioctl, func, flags) \ 406 [DRM_IOCTL_NR(ioctl)] = {ioctl, func, flags} 407 408#define DRM_IOCTL_DEF_DRV(ioctl, _func, _flags) \ 409 [DRM_IOCTL_NR(DRM_##ioctl)] = {.cmd = DRM_##ioctl, .func = _func, .flags = _flags, .cmd_drv = DRM_IOCTL_##ioctl} 410 411typedef struct drm_magic_entry { 412 drm_magic_t magic; 413 struct drm_file *priv; 414 struct drm_magic_entry *next; 415} drm_magic_entry_t; 416 417typedef struct drm_magic_head { 418 struct drm_magic_entry *head; 419 struct drm_magic_entry *tail; 420} drm_magic_head_t; 421 422typedef struct drm_buf { 423 int idx; /**< Index into master buflist */ 424 int total; /**< Buffer size */ 425 int order; /**< log-base-2(total) */ 426 int used; /**< Amount of buffer in use (for DMA) */ 427 unsigned long offset; /**< Byte offset (used internally) */ 428 void *address; /**< Address of buffer */ 429 unsigned long bus_address; /**< Bus address of buffer */ 430 struct drm_buf *next; /**< Kernel-only: used for free list */ 431 __volatile__ int waiting; /**< On kernel DMA queue */ 432 __volatile__ int pending; /**< On hardware DMA queue */ 433 struct drm_file *file_priv; /**< Private of holding file descr */ 434 int context; /**< Kernel queue for this buffer */ 435 int while_locked; /**< Dispatch this buffer while locked */ 436 enum { 437 DRM_LIST_NONE = 0, 438 DRM_LIST_FREE = 1, 439 DRM_LIST_WAIT = 2, 440 DRM_LIST_PEND = 3, 441 DRM_LIST_PRIO = 4, 442 DRM_LIST_RECLAIM = 5 443 } list; /**< Which list we're on */ 444 445 int dev_priv_size; /**< Size of buffer private storage */ 446 void *dev_private; /**< Per-buffer private storage */ 447} drm_buf_t; 448 449typedef struct drm_freelist { 450 int initialized; /* Freelist in use */ 451 atomic_t count; /* Number of free buffers */ 452 drm_buf_t *next; /* End pointer */ 453 454 int low_mark; /* Low water mark */ 455 int high_mark; /* High water mark */ 456} drm_freelist_t; 457 458typedef struct drm_dma_handle { 459 void *vaddr; 460 bus_addr_t busaddr; 461 bus_dma_tag_t tag; 462 bus_dmamap_t map; 463} drm_dma_handle_t; 464 465typedef struct drm_buf_entry { 466 int buf_size; 467 int buf_count; 468 drm_buf_t *buflist; 469 int seg_count; 470 drm_dma_handle_t **seglist; 471 int page_order; 472 473 drm_freelist_t freelist; 474} drm_buf_entry_t; 475 476/* Event queued up for userspace to read */ 477struct drm_pending_event { 478 struct drm_event *event; 479 struct list_head link; 480 struct drm_file *file_priv; 481 pid_t pid; /* pid of requester, no guarantee it's valid by the time 482 we deliver the event, for tracing only */ 483 void (*destroy)(struct drm_pending_event *event); 484}; 485 486/* initial implementaton using a linked list - todo hashtab */ 487struct drm_prime_file_private { 488 struct list_head head; 489#ifdef DUMBBELL_WIP 490 struct mutex lock; 491#endif /* DUMBBELL_WIP */ 492}; 493 494typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t; 495struct drm_file { 496 TAILQ_ENTRY(drm_file) link; 497 struct drm_device *dev; 498 int authenticated; 499 int master; 500 pid_t pid; 501 uid_t uid; 502 drm_magic_t magic; 503 unsigned long ioctl_count; 504 505 void *driver_priv; 506 struct drm_gem_names object_names; 507 508 int is_master; 509 struct drm_master *masterp; 510 511 struct list_head fbs; 512 513 struct list_head event_list; 514 int event_space; 515 struct selinfo event_poll; 516 517 struct drm_prime_file_private prime; 518}; 519 520typedef struct drm_lock_data { 521 struct drm_hw_lock *hw_lock; /* Hardware lock */ 522 struct drm_file *file_priv; /* Unique identifier of holding process (NULL is kernel)*/ 523 int lock_queue; /* Queue of blocked processes */ 524 unsigned long lock_time; /* Time of last lock in jiffies */ 525} drm_lock_data_t; 526 527/* This structure, in the struct drm_device, is always initialized while the 528 * device 529 * is open. dev->dma_lock protects the incrementing of dev->buf_use, which 530 * when set marks that no further bufs may be allocated until device teardown 531 * occurs (when the last open of the device has closed). The high/low 532 * watermarks of bufs are only touched by the X Server, and thus not 533 * concurrently accessed, so no locking is needed. 534 */ 535typedef struct drm_device_dma { 536 537 struct drm_buf_entry bufs[DRM_MAX_ORDER + 1]; /**< buffers, grouped by their size order */ 538 int buf_count; /**< total number of buffers */ 539 struct drm_buf **buflist; /**< Vector of pointers into drm_device_dma::bufs */ 540 int seg_count; 541 int page_count; /**< number of pages */ 542 unsigned long *pagelist; /**< page list */ 543 unsigned long byte_count; 544 enum { 545 _DRM_DMA_USE_AGP = 0x01, 546 _DRM_DMA_USE_SG = 0x02, 547 _DRM_DMA_USE_FB = 0x04, 548 _DRM_DMA_USE_PCI_RO = 0x08 549 } flags; 550 551} drm_device_dma_t; 552 553typedef struct drm_agp_mem { 554 void *handle; 555 unsigned long bound; /* address */ 556 int pages; 557 struct drm_agp_mem *prev; 558 struct drm_agp_mem *next; 559} drm_agp_mem_t; 560 561typedef struct drm_agp_head { 562 device_t agpdev; 563 struct agp_info info; 564 const char *chipset; 565 drm_agp_mem_t *memory; 566 unsigned long mode; 567 int enabled; 568 int acquired; 569 unsigned long base; 570 int mtrr; 571 int cant_use_aperture; 572 unsigned long page_mask; 573} drm_agp_head_t; 574 575typedef struct drm_sg_mem { 576 vm_offset_t vaddr; 577 vm_paddr_t *busaddr; 578 vm_pindex_t pages; 579} drm_sg_mem_t; 580 581#define DRM_MAP_HANDLE_BITS (sizeof(void *) == 4 ? 4 : 24) 582#define DRM_MAP_HANDLE_SHIFT (sizeof(void *) * 8 - DRM_MAP_HANDLE_BITS) 583typedef TAILQ_HEAD(drm_map_list, drm_local_map) drm_map_list_t; 584 585typedef struct drm_local_map { 586 unsigned long offset; /* Physical address (0 for SAREA) */ 587 unsigned long size; /* Physical size (bytes) */ 588 enum drm_map_type type; /* Type of memory mapped */ 589 enum drm_map_flags flags; /* Flags */ 590 void *handle; /* User-space: "Handle" to pass to mmap */ 591 /* Kernel-space: kernel-virtual address */ 592 int mtrr; /* Boolean: MTRR used */ 593 /* Private data */ 594 int rid; /* PCI resource ID for bus_space */ 595 void *virtual; /* Kernel-space: kernel-virtual address */ 596 struct resource *bsr; 597 bus_space_tag_t bst; 598 bus_space_handle_t bsh; 599 drm_dma_handle_t *dmah; 600 TAILQ_ENTRY(drm_local_map) link; 601} drm_local_map_t; 602 603struct drm_vblank_info { 604 wait_queue_head_t queue; /* vblank wait queue */ 605 atomic_t count; /* number of VBLANK interrupts */ 606 /* (driver must alloc the right number of counters) */ 607 atomic_t refcount; /* number of users of vblank interrupts */ 608 u32 last; /* protected by dev->vbl_lock, used */ 609 /* for wraparound handling */ 610 int enabled; /* so we don't call enable more than */ 611 /* once per disable */ 612 int inmodeset; /* Display driver is setting mode */ 613}; 614 615/* location of GART table */ 616#define DRM_ATI_GART_MAIN 1 617#define DRM_ATI_GART_FB 2 618 619#define DRM_ATI_GART_PCI 1 620#define DRM_ATI_GART_PCIE 2 621#define DRM_ATI_GART_IGP 3 622 623struct drm_ati_pcigart_info { 624 int gart_table_location; 625 int gart_reg_if; 626 void *addr; 627 dma_addr_t bus_addr; 628 dma_addr_t table_mask; 629 dma_addr_t member_mask; 630 struct drm_dma_handle *table_handle; 631 drm_local_map_t mapping; 632 int table_size; 633 struct drm_dma_handle *dmah; /* handle for ATI PCIGART table */ 634}; 635 636typedef vm_paddr_t resource_size_t; 637 638/** 639 * GEM specific mm private for tracking GEM objects 640 */ 641struct drm_gem_mm { 642 struct drm_open_hash offset_hash; /**< User token hash table for maps */ 643 struct unrhdr *idxunr; 644}; 645 646struct drm_gem_object { 647 /** Reference count of this object */ 648 u_int refcount; 649 650 /** Handle count of this object. Each handle also holds a reference */ 651 u_int handle_count; /* number of handles on this object */ 652 653 /** Related drm device */ 654 struct drm_device *dev; 655 656 /** File representing the shmem storage: filp in Linux parlance */ 657 vm_object_t vm_obj; 658 659 bool on_map; 660 struct drm_hash_item map_list; 661 662 /** 663 * Size of the object, in bytes. Immutable over the object's 664 * lifetime. 665 */ 666 size_t size; 667 668 /** 669 * Global name for this object, starts at 1. 0 means unnamed. 670 * Access is covered by the object_name_lock in the related drm_device 671 */ 672 int name; 673 674 /** 675 * Memory domains. These monitor which caches contain read/write data 676 * related to the object. When transitioning from one set of domains 677 * to another, the driver is called to ensure that caches are suitably 678 * flushed and invalidated 679 */ 680 uint32_t read_domains; 681 uint32_t write_domain; 682 683 /** 684 * While validating an exec operation, the 685 * new read/write domain values are computed here. 686 * They will be transferred to the above values 687 * at the point that any cache flushing occurs 688 */ 689 uint32_t pending_read_domains; 690 uint32_t pending_write_domain; 691 692 void *driver_private; 693 694#ifdef DUMBBELL_WIP 695 /* dma buf exported from this GEM object */ 696 struct dma_buf *export_dma_buf; 697 698 /* dma buf attachment backing this object */ 699 struct dma_buf_attachment *import_attach; 700#endif /* DUMBBELL_WIP */ 701}; 702 703#include "drm_crtc.h" 704 705/* per-master structure */ 706struct drm_master { 707 708 u_int refcount; /* refcount for this master */ 709 710 struct list_head head; /**< each minor contains a list of masters */ 711 struct drm_minor *minor; /**< link back to minor we are a master for */ 712 713 char *unique; /**< Unique identifier: e.g., busid */ 714 int unique_len; /**< Length of unique field */ 715 int unique_size; /**< amount allocated */ 716 717 int blocked; /**< Blocked due to VC switch? */ 718 719 /** \name Authentication */ 720 /*@{ */ 721 struct drm_open_hash magiclist; 722 struct list_head magicfree; 723 /*@} */ 724 725 struct drm_lock_data lock; /**< Information on hardware lock */ 726 727 void *driver_priv; /**< Private structure for driver to use */ 728}; 729 730/* Size of ringbuffer for vblank timestamps. Just double-buffer 731 * in initial implementation. 732 */ 733#define DRM_VBLANKTIME_RBSIZE 2 734 735/* Flags and return codes for get_vblank_timestamp() driver function. */ 736#define DRM_CALLED_FROM_VBLIRQ 1 737#define DRM_VBLANKTIME_SCANOUTPOS_METHOD (1 << 0) 738#define DRM_VBLANKTIME_INVBL (1 << 1) 739 740/* get_scanout_position() return flags */ 741#define DRM_SCANOUTPOS_VALID (1 << 0) 742#define DRM_SCANOUTPOS_INVBL (1 << 1) 743#define DRM_SCANOUTPOS_ACCURATE (1 << 2) 744 745#ifndef DMA_BIT_MASK 746#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : (1ULL<<(n)) - 1) 747#endif 748 749#define upper_32_bits(n) ((u32)(((n) >> 16) >> 16)) 750 751struct drm_driver_info { 752 int (*load)(struct drm_device *, unsigned long flags); 753 int (*use_msi)(struct drm_device *, unsigned long flags); 754 int (*firstopen)(struct drm_device *); 755 int (*open)(struct drm_device *, struct drm_file *); 756 void (*preclose)(struct drm_device *, struct drm_file *file_priv); 757 void (*postclose)(struct drm_device *, struct drm_file *); 758 void (*lastclose)(struct drm_device *); 759 int (*unload)(struct drm_device *); 760 void (*reclaim_buffers_locked)(struct drm_device *, 761 struct drm_file *file_priv); 762 int (*dma_ioctl)(struct drm_device *dev, void *data, 763 struct drm_file *file_priv); 764 void (*dma_ready)(struct drm_device *); 765 int (*dma_quiescent)(struct drm_device *); 766 int (*dma_flush_block_and_flush)(struct drm_device *, int context, 767 enum drm_lock_flags flags); 768 int (*dma_flush_unblock)(struct drm_device *, int context, 769 enum drm_lock_flags flags); 770 int (*context_ctor)(struct drm_device *dev, int context); 771 int (*context_dtor)(struct drm_device *dev, int context); 772 int (*kernel_context_switch)(struct drm_device *dev, int old, 773 int new); 774 int (*kernel_context_switch_unlock)(struct drm_device *dev); 775 void (*irq_preinstall)(struct drm_device *dev); 776 int (*irq_postinstall)(struct drm_device *dev); 777 void (*irq_uninstall)(struct drm_device *dev); 778 void (*irq_handler)(DRM_IRQ_ARGS); 779 780 u32 (*get_vblank_counter)(struct drm_device *dev, int crtc); 781 int (*enable_vblank)(struct drm_device *dev, int crtc); 782 void (*disable_vblank)(struct drm_device *dev, int crtc); 783 int (*get_scanout_position)(struct drm_device *dev, int crtc, 784 int *vpos, int *hpos); 785 786 int (*get_vblank_timestamp)(struct drm_device *dev, int crtc, 787 int *max_error, struct timeval *vblank_time, 788 unsigned flags); 789 790 int (*gem_init_object)(struct drm_gem_object *obj); 791 void (*gem_free_object)(struct drm_gem_object *obj); 792 int (*gem_open_object)(struct drm_gem_object *, struct drm_file *); 793 void (*gem_close_object)(struct drm_gem_object *, struct drm_file *); 794 795 struct cdev_pager_ops *gem_pager_ops; 796 797 int (*dumb_create)(struct drm_file *file_priv, 798 struct drm_device *dev, struct drm_mode_create_dumb *args); 799 int (*dumb_map_offset)(struct drm_file *file_priv, 800 struct drm_device *dev, uint32_t handle, uint64_t *offset); 801 int (*dumb_destroy)(struct drm_file *file_priv, 802 struct drm_device *dev, uint32_t handle); 803 804 int (*sysctl_init)(struct drm_device *dev, 805 struct sysctl_ctx_list *ctx, struct sysctl_oid *top); 806 void (*sysctl_cleanup)(struct drm_device *dev); 807 808 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ 809 810 /** 811 * Called by \c drm_device_is_agp. Typically used to determine if a 812 * card is really attached to AGP or not. 813 * 814 * \param dev DRM device handle 815 * 816 * \returns 817 * One of three values is returned depending on whether or not the 818 * card is absolutely \b not AGP (return of 0), absolutely \b is AGP 819 * (return of 1), or may or may not be AGP (return of 2). 820 */ 821 int (*device_is_agp) (struct drm_device * dev); 822 823 drm_ioctl_desc_t *ioctls; 824#ifdef COMPAT_FREEBSD32 825 drm_ioctl_desc_t *compat_ioctls; 826 int *compat_ioctls_nr; 827#endif 828 int max_ioctl; 829 830 int buf_priv_size; 831 832 int major; 833 int minor; 834 int patchlevel; 835 const char *name; /* Simple driver name */ 836 const char *desc; /* Longer driver name */ 837 const char *date; /* Date of last major changes. */ 838 839 u32 driver_features; 840}; 841 842/** 843 * DRM minor structure. This structure represents a drm minor number. 844 */ 845struct drm_minor { 846 int index; /**< Minor device number */ 847 int type; /**< Control or render */ 848 device_t kdev; /**< OS device */ 849 struct drm_device *dev; 850 851 struct drm_master *master; /* currently active master for this node */ 852 struct list_head master_list; 853 struct drm_mode_group mode_group; 854}; 855 856/* mode specified on the command line */ 857struct drm_cmdline_mode { 858 bool specified; 859 bool refresh_specified; 860 bool bpp_specified; 861 int xres, yres; 862 int bpp; 863 int refresh; 864 bool rb; 865 bool interlace; 866 bool cvt; 867 bool margins; 868 enum drm_connector_force force; 869}; 870 871 872struct drm_pending_vblank_event { 873 struct drm_pending_event base; 874 int pipe; 875 struct drm_event_vblank event; 876}; 877 878/* Length for the array of resource pointers for drm_get_resource_*. */ 879#define DRM_MAX_PCI_RESOURCE 6 880 881/** 882 * DRM device structure. This structure represent a complete card that 883 * may contain multiple heads. 884 */ 885struct drm_device { 886 struct drm_driver_info *driver; 887 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ 888 889 uint16_t pci_device; /* PCI device id */ 890 uint16_t pci_vendor; /* PCI vendor id */ 891 uint16_t pci_subdevice; /* PCI subsystem device id */ 892 uint16_t pci_subvendor; /* PCI subsystem vendor id */ 893 894 char *unique; /* Unique identifier: e.g., busid */ 895 int unique_len; /* Length of unique field */ 896 device_t device; /* Device instance from newbus */ 897 struct cdev *devnode; /* Device number for mknod */ 898 int if_version; /* Highest interface version set */ 899 900 int flags; /* Flags to open(2) */ 901 902 /* Locks */ 903 struct mtx dma_lock; /* protects dev->dma */ 904 struct mtx irq_lock; /* protects irq condition checks */ 905 struct mtx dev_lock; /* protects everything else */ 906 struct sx dev_struct_lock; 907 DRM_SPINTYPE drw_lock; 908 909 /* Usage Counters */ 910 int open_count; /* Outstanding files open */ 911 int buf_use; /* Buffers in use -- cannot alloc */ 912 913 /* Performance counters */ 914 unsigned long counters; 915 enum drm_stat_type types[15]; 916 atomic_t counts[15]; 917 918 /* Authentication */ 919 drm_file_list_t files; 920 drm_magic_head_t magiclist[DRM_HASH_SIZE]; 921 922 /* Linked list of mappable regions. Protected by dev_lock */ 923 drm_map_list_t maplist; 924 struct unrhdr *map_unrhdr; 925 926 drm_local_map_t **context_sareas; 927 int max_context; 928 929 drm_lock_data_t lock; /* Information on hardware lock */ 930 931 /* DMA queues (contexts) */ 932 drm_device_dma_t *dma; /* Optional pointer for DMA support */ 933 934 /* Context support */ 935 int irq; /* Interrupt used by board */ 936 int irq_enabled; /* True if the irq handler is enabled */ 937 int msi_enabled; /* MSI enabled */ 938 int irqrid; /* Interrupt used by board */ 939 struct resource *irqr; /* Resource for interrupt used by board */ 940 void *irqh; /* Handle from bus_setup_intr */ 941 942 /* Storage of resource pointers for drm_get_resource_* */ 943 struct resource *pcir[DRM_MAX_PCI_RESOURCE]; 944 int pcirid[DRM_MAX_PCI_RESOURCE]; 945 946 int pci_domain; 947 int pci_bus; 948 int pci_slot; 949 int pci_func; 950 951 atomic_t context_flag; /* Context swapping flag */ 952 int last_context; /* Last current context */ 953 954 int num_crtcs; 955 956 struct sigio *buf_sigio; /* Processes waiting for SIGIO */ 957 958 /* Sysctl support */ 959 struct drm_sysctl_info *sysctl; 960 int sysctl_node_idx; 961 962 drm_agp_head_t *agp; 963 drm_sg_mem_t *sg; /* Scatter gather memory */ 964 unsigned long *ctx_bitmap; 965 void *dev_private; 966 unsigned int agp_buffer_token; 967 drm_local_map_t *agp_buffer_map; 968 969 struct drm_minor *control; /**< Control node for card */ 970 struct drm_minor *primary; /**< render type primary screen head */ 971 972 void *drm_ttm_bdev; 973 struct unrhdr *drw_unrhdr; 974 /* RB tree of drawable infos */ 975 RB_HEAD(drawable_tree, bsd_drm_drawable_info) drw_head; 976 977 int vblank_disable_allowed; 978 979 atomic_t *_vblank_count; /**< number of VBLANK interrupts (driver must alloc the right number of counters) */ 980 struct timeval *_vblank_time; /**< timestamp of current vblank_count (drivers must alloc right number of fields) */ 981 struct mtx vblank_time_lock; /**< Protects vblank count and time updates during vblank enable/disable */ 982 struct mtx vbl_lock; 983 atomic_t *vblank_refcount; /* number of users of vblank interruptsper crtc */ 984 u32 *last_vblank; /* protected by dev->vbl_lock, used */ 985 /* for wraparound handling */ 986 int *vblank_enabled; /* so we don't call enable more than 987 once per disable */ 988 int *vblank_inmodeset; /* Display driver is setting mode */ 989 u32 *last_vblank_wait; /* Last vblank seqno waited per CRTC */ 990 struct callout vblank_disable_callout; 991 992 u32 max_vblank_count; /**< size of vblank counter register */ 993 994 struct list_head vblank_event_list; 995 struct mtx event_lock; 996 997 struct drm_mode_config mode_config; /**< Current mode config */ 998 999 /* GEM part */ 1000 struct sx object_name_lock; 1001 struct drm_gem_names object_names; 1002 void *mm_private; 1003 1004 void *sysctl_private; 1005 char busid_str[128]; 1006 int modesetting; 1007 1008 int switch_power_state; 1009}; 1010 1011#define DRM_SWITCH_POWER_ON 0 1012#define DRM_SWITCH_POWER_OFF 1 1013#define DRM_SWITCH_POWER_CHANGING 2 1014 1015static __inline__ int drm_core_check_feature(struct drm_device *dev, 1016 int feature) 1017{ 1018 return ((dev->driver->driver_features & feature) ? 1 : 0); 1019} 1020 1021#if __OS_HAS_AGP 1022static inline int drm_core_has_AGP(struct drm_device *dev) 1023{ 1024 return drm_core_check_feature(dev, DRIVER_USE_AGP); 1025} 1026#else 1027#define drm_core_has_AGP(dev) (0) 1028#endif 1029 1030enum dmi_field { 1031 DMI_NONE, 1032 DMI_BIOS_VENDOR, 1033 DMI_BIOS_VERSION, 1034 DMI_BIOS_DATE, 1035 DMI_SYS_VENDOR, 1036 DMI_PRODUCT_NAME, 1037 DMI_PRODUCT_VERSION, 1038 DMI_PRODUCT_SERIAL, 1039 DMI_PRODUCT_UUID, 1040 DMI_BOARD_VENDOR, 1041 DMI_BOARD_NAME, 1042 DMI_BOARD_VERSION, 1043 DMI_BOARD_SERIAL, 1044 DMI_BOARD_ASSET_TAG, 1045 DMI_CHASSIS_VENDOR, 1046 DMI_CHASSIS_TYPE, 1047 DMI_CHASSIS_VERSION, 1048 DMI_CHASSIS_SERIAL, 1049 DMI_CHASSIS_ASSET_TAG, 1050 DMI_STRING_MAX, 1051}; 1052 1053struct dmi_strmatch { 1054 unsigned char slot; 1055 char substr[79]; 1056}; 1057 1058struct dmi_system_id { 1059 int (*callback)(const struct dmi_system_id *); 1060 const char *ident; 1061 struct dmi_strmatch matches[4]; 1062}; 1063#define DMI_MATCH(a, b) {(a), (b)} 1064bool dmi_check_system(const struct dmi_system_id *); 1065 1066extern int drm_debug_flag; 1067extern int drm_notyet_flag; 1068extern unsigned int drm_vblank_offdelay; 1069extern unsigned int drm_timestamp_precision; 1070extern unsigned int drm_timestamp_monotonic; 1071 1072/* Device setup support (drm_drv.c) */ 1073int drm_probe(device_t kdev, drm_pci_id_list_t *idlist); 1074int drm_attach(device_t kdev, drm_pci_id_list_t *idlist); 1075int drm_create_cdevs(device_t kdev); 1076void drm_close(void *data); 1077int drm_detach(device_t kdev); 1078d_ioctl_t drm_ioctl; 1079d_open_t drm_open; 1080d_read_t drm_read; 1081d_poll_t drm_poll; 1082d_mmap_t drm_mmap; 1083extern drm_local_map_t *drm_getsarea(struct drm_device *dev); 1084 1085void drm_event_wakeup(struct drm_pending_event *e); 1086 1087int drm_add_busid_modesetting(struct drm_device *dev, 1088 struct sysctl_ctx_list *ctx, struct sysctl_oid *top); 1089 1090/* File operations helpers (drm_fops.c) */ 1091extern int drm_open_helper(struct cdev *kdev, int flags, int fmt, 1092 DRM_STRUCTPROC *p, 1093 struct drm_device *dev); 1094 1095#ifdef DUMBBELL_WIP 1096extern int drm_gem_prime_handle_to_fd(struct drm_device *dev, 1097 struct drm_file *file_priv, uint32_t handle, uint32_t flags, 1098 int *prime_fd); 1099extern int drm_gem_prime_fd_to_handle(struct drm_device *dev, 1100 struct drm_file *file_priv, int prime_fd, uint32_t *handle); 1101 1102extern int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data, 1103 struct drm_file *file_priv); 1104extern int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data, 1105 struct drm_file *file_priv); 1106 1107#ifdef DUMBBELL_WIP 1108/* 1109 * See drm_prime.c 1110 * -- dumbbell@ 1111 */ 1112extern int drm_prime_sg_to_page_addr_arrays(struct sg_table *sgt, vm_page_t *pages, 1113 dma_addr_t *addrs, int max_pages); 1114#endif /* DUMBBELL_WIP */ 1115extern struct sg_table *drm_prime_pages_to_sg(vm_page_t *pages, int nr_pages); 1116extern void drm_prime_gem_destroy(struct drm_gem_object *obj, struct sg_table *sg); 1117 1118 1119void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv); 1120void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv); 1121int drm_prime_add_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t handle); 1122int drm_prime_lookup_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t *handle); 1123void drm_prime_remove_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf); 1124 1125int drm_prime_add_dma_buf(struct drm_device *dev, struct drm_gem_object *obj); 1126int drm_prime_lookup_obj(struct drm_device *dev, struct dma_buf *buf, 1127 struct drm_gem_object **obj); 1128#endif /* DUMBBELL_WIP */ 1129 1130/* Memory management support (drm_memory.c) */ 1131void drm_mem_init(void); 1132void drm_mem_uninit(void); 1133void *drm_ioremap_wc(struct drm_device *dev, drm_local_map_t *map); 1134void *drm_ioremap(struct drm_device *dev, drm_local_map_t *map); 1135void drm_ioremapfree(drm_local_map_t *map); 1136int drm_mtrr_add(unsigned long offset, size_t size, int flags); 1137int drm_mtrr_del(int handle, unsigned long offset, size_t size, int flags); 1138 1139int drm_context_switch(struct drm_device *dev, int old, int new); 1140int drm_context_switch_complete(struct drm_device *dev, int new); 1141 1142int drm_ctxbitmap_init(struct drm_device *dev); 1143void drm_ctxbitmap_cleanup(struct drm_device *dev); 1144void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle); 1145int drm_ctxbitmap_next(struct drm_device *dev); 1146 1147/* Locking IOCTL support (drm_lock.c) */ 1148int drm_lock_take(struct drm_lock_data *lock_data, 1149 unsigned int context); 1150int drm_lock_transfer(struct drm_lock_data *lock_data, 1151 unsigned int context); 1152int drm_lock_free(struct drm_lock_data *lock_data, 1153 unsigned int context); 1154 1155/* Buffer management support (drm_bufs.c) */ 1156unsigned long drm_get_resource_start(struct drm_device *dev, 1157 unsigned int resource); 1158unsigned long drm_get_resource_len(struct drm_device *dev, 1159 unsigned int resource); 1160void drm_rmmap(struct drm_device *dev, drm_local_map_t *map); 1161int drm_order(unsigned long size); 1162int drm_addmap(struct drm_device *dev, unsigned long offset, 1163 unsigned long size, 1164 enum drm_map_type type, enum drm_map_flags flags, 1165 drm_local_map_t **map_ptr); 1166int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc *request); 1167int drm_addbufs_sg(struct drm_device *dev, struct drm_buf_desc *request); 1168int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc *request); 1169 1170/* DMA support (drm_dma.c) */ 1171int drm_dma_setup(struct drm_device *dev); 1172void drm_dma_takedown(struct drm_device *dev); 1173void drm_free_buffer(struct drm_device *dev, drm_buf_t *buf); 1174void drm_reclaim_buffers(struct drm_device *dev, struct drm_file *file_priv); 1175#define drm_core_reclaim_buffers drm_reclaim_buffers 1176 1177/* IRQ support (drm_irq.c) */ 1178int drm_irq_install(struct drm_device *dev); 1179int drm_irq_uninstall(struct drm_device *dev); 1180irqreturn_t drm_irq_handler(DRM_IRQ_ARGS); 1181void drm_driver_irq_preinstall(struct drm_device *dev); 1182void drm_driver_irq_postinstall(struct drm_device *dev); 1183void drm_driver_irq_uninstall(struct drm_device *dev); 1184 1185void drm_vblank_pre_modeset(struct drm_device *dev, int crtc); 1186void drm_vblank_post_modeset(struct drm_device *dev, int crtc); 1187int drm_modeset_ctl(struct drm_device *dev, void *data, 1188 struct drm_file *file_priv); 1189 1190extern int drm_vblank_init(struct drm_device *dev, int num_crtcs); 1191extern int drm_wait_vblank(struct drm_device *dev, void *data, 1192 struct drm_file *filp); 1193extern int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq); 1194extern u32 drm_vblank_count(struct drm_device *dev, int crtc); 1195extern u32 drm_vblank_count_and_time(struct drm_device *dev, int crtc, 1196 struct timeval *vblanktime); 1197extern bool drm_handle_vblank(struct drm_device *dev, int crtc); 1198void drm_handle_vblank_events(struct drm_device *dev, int crtc); 1199extern int drm_vblank_get(struct drm_device *dev, int crtc); 1200extern void drm_vblank_put(struct drm_device *dev, int crtc); 1201extern void drm_vblank_off(struct drm_device *dev, int crtc); 1202extern void drm_vblank_cleanup(struct drm_device *dev); 1203extern u32 drm_get_last_vbltimestamp(struct drm_device *dev, int crtc, 1204 struct timeval *tvblank, unsigned flags); 1205extern int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev, 1206 int crtc, int *max_error, 1207 struct timeval *vblank_time, 1208 unsigned flags, 1209 struct drm_crtc *refcrtc); 1210extern void drm_calc_timestamping_constants(struct drm_crtc *crtc); 1211 1212struct timeval ns_to_timeval(const int64_t nsec); 1213int64_t timeval_to_ns(const struct timeval *tv); 1214 1215/* AGP/PCI Express/GART support (drm_agpsupport.c) */ 1216int drm_device_is_agp(struct drm_device *dev); 1217int drm_device_is_pcie(struct drm_device *dev); 1218drm_agp_head_t *drm_agp_init(void); 1219int drm_agp_acquire(struct drm_device *dev); 1220int drm_agp_release(struct drm_device *dev); 1221int drm_agp_info(struct drm_device * dev, struct drm_agp_info *info); 1222int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode); 1223void *drm_agp_allocate_memory(size_t pages, u32 type); 1224int drm_agp_free_memory(void *handle); 1225int drm_agp_bind_memory(void *handle, off_t start); 1226int drm_agp_unbind_memory(void *handle); 1227int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request); 1228int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request); 1229int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request); 1230int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request); 1231 1232/* Scatter Gather Support (drm_scatter.c) */ 1233void drm_sg_cleanup(drm_sg_mem_t *entry); 1234int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request); 1235 1236/* sysctl support (drm_sysctl.h) */ 1237extern int drm_sysctl_init(struct drm_device *dev); 1238extern int drm_sysctl_cleanup(struct drm_device *dev); 1239 1240/* ATI PCIGART support (ati_pcigart.c) */ 1241int drm_ati_pcigart_init(struct drm_device *dev, 1242 struct drm_ati_pcigart_info *gart_info); 1243int drm_ati_pcigart_cleanup(struct drm_device *dev, 1244 struct drm_ati_pcigart_info *gart_info); 1245 1246/* Cache management (drm_memory.c) */ 1247void drm_clflush_pages(vm_page_t *pages, unsigned long num_pages); 1248 1249/* Locking IOCTL support (drm_drv.c) */ 1250int drm_lock(struct drm_device *dev, void *data, 1251 struct drm_file *file_priv); 1252int drm_unlock(struct drm_device *dev, void *data, 1253 struct drm_file *file_priv); 1254int drm_version(struct drm_device *dev, void *data, 1255 struct drm_file *file_priv); 1256int drm_setversion(struct drm_device *dev, void *data, 1257 struct drm_file *file_priv); 1258 1259/* Misc. IOCTL support (drm_ioctl.c) */ 1260int drm_irq_by_busid(struct drm_device *dev, void *data, 1261 struct drm_file *file_priv); 1262int drm_getunique(struct drm_device *dev, void *data, 1263 struct drm_file *file_priv); 1264int drm_setunique(struct drm_device *dev, void *data, 1265 struct drm_file *file_priv); 1266int drm_getmap(struct drm_device *dev, void *data, 1267 struct drm_file *file_priv); 1268int drm_getclient(struct drm_device *dev, void *data, 1269 struct drm_file *file_priv); 1270int drm_getstats(struct drm_device *dev, void *data, 1271 struct drm_file *file_priv); 1272int drm_getcap(struct drm_device *dev, void *data, 1273 struct drm_file *file_priv); 1274int drm_noop(struct drm_device *dev, void *data, 1275 struct drm_file *file_priv); 1276 1277/* Context IOCTL support (drm_context.c) */ 1278int drm_resctx(struct drm_device *dev, void *data, 1279 struct drm_file *file_priv); 1280int drm_addctx(struct drm_device *dev, void *data, 1281 struct drm_file *file_priv); 1282int drm_modctx(struct drm_device *dev, void *data, 1283 struct drm_file *file_priv); 1284int drm_getctx(struct drm_device *dev, void *data, 1285 struct drm_file *file_priv); 1286int drm_switchctx(struct drm_device *dev, void *data, 1287 struct drm_file *file_priv); 1288int drm_newctx(struct drm_device *dev, void *data, 1289 struct drm_file *file_priv); 1290int drm_rmctx(struct drm_device *dev, void *data, 1291 struct drm_file *file_priv); 1292int drm_setsareactx(struct drm_device *dev, void *data, 1293 struct drm_file *file_priv); 1294int drm_getsareactx(struct drm_device *dev, void *data, 1295 struct drm_file *file_priv); 1296 1297/* Drawable IOCTL support (drm_drawable.c) */ 1298int drm_adddraw(struct drm_device *dev, void *data, 1299 struct drm_file *file_priv); 1300int drm_rmdraw(struct drm_device *dev, void *data, 1301 struct drm_file *file_priv); 1302int drm_update_draw(struct drm_device *dev, void *data, 1303 struct drm_file *file_priv); 1304struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev, 1305 int handle); 1306 1307/* Drawable support (drm_drawable.c) */ 1308void drm_drawable_free_all(struct drm_device *dev); 1309 1310/* Authentication IOCTL support (drm_auth.c) */ 1311int drm_getmagic(struct drm_device *dev, void *data, 1312 struct drm_file *file_priv); 1313int drm_authmagic(struct drm_device *dev, void *data, 1314 struct drm_file *file_priv); 1315 1316/* Buffer management support (drm_bufs.c) */ 1317int drm_addmap_ioctl(struct drm_device *dev, void *data, 1318 struct drm_file *file_priv); 1319int drm_rmmap_ioctl(struct drm_device *dev, void *data, 1320 struct drm_file *file_priv); 1321int drm_addbufs(struct drm_device *dev, void *data, 1322 struct drm_file *file_priv); 1323int drm_infobufs(struct drm_device *dev, void *data, 1324 struct drm_file *file_priv); 1325int drm_markbufs(struct drm_device *dev, void *data, 1326 struct drm_file *file_priv); 1327int drm_freebufs(struct drm_device *dev, void *data, 1328 struct drm_file *file_priv); 1329int drm_mapbufs(struct drm_device *dev, void *data, 1330 struct drm_file *file_priv); 1331 1332/* DMA support (drm_dma.c) */ 1333int drm_dma(struct drm_device *dev, void *data, struct drm_file *file_priv); 1334 1335/* IRQ support (drm_irq.c) */ 1336int drm_control(struct drm_device *dev, void *data, 1337 struct drm_file *file_priv); 1338 1339/* AGP/GART support (drm_agpsupport.c) */ 1340int drm_agp_acquire_ioctl(struct drm_device *dev, void *data, 1341 struct drm_file *file_priv); 1342int drm_agp_release_ioctl(struct drm_device *dev, void *data, 1343 struct drm_file *file_priv); 1344int drm_agp_enable_ioctl(struct drm_device *dev, void *data, 1345 struct drm_file *file_priv); 1346int drm_agp_info_ioctl(struct drm_device *dev, void *data, 1347 struct drm_file *file_priv); 1348int drm_agp_alloc_ioctl(struct drm_device *dev, void *data, 1349 struct drm_file *file_priv); 1350int drm_agp_free_ioctl(struct drm_device *dev, void *data, 1351 struct drm_file *file_priv); 1352int drm_agp_unbind_ioctl(struct drm_device *dev, void *data, 1353 struct drm_file *file_priv); 1354int drm_agp_bind_ioctl(struct drm_device *dev, void *data, 1355 struct drm_file *file_priv); 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); 1362 1363/* Scatter Gather Support (drm_scatter.c) */ 1364int drm_sg_alloc_ioctl(struct drm_device *dev, void *data, 1365 struct drm_file *file_priv); 1366int drm_sg_free(struct drm_device *dev, void *data, 1367 struct drm_file *file_priv); 1368 1369/* consistent PCI memory functions (drm_pci.c) */ 1370drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size, 1371 size_t align, dma_addr_t maxaddr); 1372void drm_pci_free(struct drm_device *dev, drm_dma_handle_t *dmah); 1373 1374/* Graphics Execution Manager library functions (drm_gem.c) */ 1375int drm_gem_init(struct drm_device *dev); 1376void drm_gem_destroy(struct drm_device *dev); 1377 1378int drm_gem_close_ioctl(struct drm_device *dev, void *data, 1379 struct drm_file *file_priv); 1380int drm_gem_flink_ioctl(struct drm_device *dev, void *data, 1381 struct drm_file *file_priv); 1382int drm_gem_open_ioctl(struct drm_device *dev, void *data, 1383 struct drm_file *file_priv); 1384int drm_gem_handle_create(struct drm_file *file_priv, 1385 struct drm_gem_object *obj, 1386 u32 *handlep); 1387int drm_gem_handle_delete(struct drm_file *file_priv, uint32_t handle); 1388void drm_gem_object_handle_reference(struct drm_gem_object *obj); 1389void drm_gem_object_handle_unreference(struct drm_gem_object *obj); 1390void drm_gem_object_handle_unreference_unlocked(struct drm_gem_object *obj); 1391void drm_gem_object_handle_free(struct drm_gem_object *obj); 1392void drm_gem_object_reference(struct drm_gem_object *obj); 1393void drm_gem_object_unreference(struct drm_gem_object *obj); 1394void drm_gem_object_unreference_unlocked(struct drm_gem_object *obj); 1395void drm_gem_object_release(struct drm_gem_object *obj); 1396void drm_gem_object_free(struct drm_gem_object *obj); 1397int drm_gem_object_init(struct drm_device *dev, struct drm_gem_object *obj, 1398 size_t size); 1399int drm_gem_private_object_init(struct drm_device *dev, 1400 struct drm_gem_object *obj, size_t size); 1401struct drm_gem_object *drm_gem_object_alloc(struct drm_device *dev, 1402 size_t size); 1403struct drm_gem_object *drm_gem_object_lookup(struct drm_device *dev, 1404 struct drm_file *file_priv, uint32_t handle); 1405 1406void drm_gem_open(struct drm_device *dev, struct drm_file *file_priv); 1407void drm_gem_release(struct drm_device *dev, struct drm_file *file_priv); 1408 1409int drm_gem_create_mmap_offset(struct drm_gem_object *obj); 1410void drm_gem_free_mmap_offset(struct drm_gem_object *obj); 1411int drm_gem_mmap_single(struct drm_device *dev, vm_ooffset_t *offset, 1412 vm_size_t size, struct vm_object **obj_res, int nprot); 1413void drm_gem_pager_dtr(void *obj); 1414 1415struct ttm_bo_device; 1416int ttm_bo_mmap_single(struct ttm_bo_device *bdev, vm_ooffset_t *offset, 1417 vm_size_t size, struct vm_object **obj_res, int nprot); 1418struct ttm_buffer_object; 1419void ttm_bo_release_mmap(struct ttm_buffer_object *bo); 1420 1421void drm_device_lock_mtx(struct drm_device *dev); 1422void drm_device_unlock_mtx(struct drm_device *dev); 1423int drm_device_sleep_mtx(struct drm_device *dev, void *chan, int flags, 1424 const char *msg, int timeout); 1425void drm_device_assert_mtx_locked(struct drm_device *dev); 1426void drm_device_assert_mtx_unlocked(struct drm_device *dev); 1427 1428void drm_device_lock_struct(struct drm_device *dev); 1429void drm_device_unlock_struct(struct drm_device *dev); 1430int drm_device_sleep_struct(struct drm_device *dev, void *chan, int flags, 1431 const char *msg, int timeout); 1432void drm_device_assert_struct_locked(struct drm_device *dev); 1433void drm_device_assert_struct_unlocked(struct drm_device *dev); 1434 1435void drm_compat_locking_init(struct drm_device *dev); 1436void drm_sleep_locking_init(struct drm_device *dev); 1437 1438/* drm_modes.c */ 1439bool drm_mode_parse_command_line_for_connector(const char *mode_option, 1440 struct drm_connector *connector, struct drm_cmdline_mode *mode); 1441struct drm_display_mode *drm_mode_create_from_cmdline_mode( 1442 struct drm_device *dev, struct drm_cmdline_mode *cmd); 1443 1444/* drm_edid.c */ 1445u8 *drm_find_cea_extension(struct edid *edid); 1446 1447/* Inline replacements for drm_alloc and friends */ 1448static __inline__ void * 1449drm_alloc(size_t size, struct malloc_type *area) 1450{ 1451 return malloc(size, area, M_NOWAIT); 1452} 1453 1454static __inline__ void * 1455drm_calloc(size_t nmemb, size_t size, struct malloc_type *area) 1456{ 1457 return malloc(size * nmemb, area, M_NOWAIT | M_ZERO); 1458} 1459 1460static __inline__ void * 1461drm_realloc(void *oldpt, size_t oldsize, size_t size, 1462 struct malloc_type *area) 1463{ 1464 return reallocf(oldpt, size, area, M_NOWAIT); 1465} 1466 1467static __inline__ void 1468drm_free(void *pt, size_t size, struct malloc_type *area) 1469{ 1470 free(pt, area); 1471} 1472 1473/* Inline replacements for DRM_IOREMAP macros */ 1474static __inline__ void 1475drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev) 1476{ 1477 map->virtual = drm_ioremap_wc(dev, map); 1478} 1479static __inline__ void 1480drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev) 1481{ 1482 map->virtual = drm_ioremap(dev, map); 1483} 1484static __inline__ void 1485drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev) 1486{ 1487 if ( map->virtual && map->size ) 1488 drm_ioremapfree(map); 1489} 1490 1491static __inline__ struct drm_local_map * 1492drm_core_findmap(struct drm_device *dev, unsigned long offset) 1493{ 1494 drm_local_map_t *map; 1495 1496 DRM_LOCK_ASSERT(dev); 1497 TAILQ_FOREACH(map, &dev->maplist, link) { 1498 if (offset == (unsigned long)map->handle) 1499 return map; 1500 } 1501 return NULL; 1502} 1503 1504static __inline__ void drm_core_dropmap(struct drm_map *map) 1505{ 1506} 1507 1508#define DRM_PCIE_SPEED_25 1 1509#define DRM_PCIE_SPEED_50 2 1510#define DRM_PCIE_SPEED_80 4 1511 1512extern int drm_pcie_get_speed_cap_mask(struct drm_device *dev, u32 *speed_mask); 1513 1514#define drm_can_sleep() (DRM_HZ & 1) 1515 1516#endif /* __KERNEL__ */ 1517#endif /* _DRM_P_H_ */ 1518