drmP.h revision 247835
11541Srgrimes/* drmP.h -- Private header for Direct Rendering Manager -*- linux-c -*- 21541Srgrimes * Created: Mon Jan 4 10:05:05 1999 by faith@precisioninsight.com 31541Srgrimes */ 41541Srgrimes/*- 51541Srgrimes * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. 61541Srgrimes * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. 71541Srgrimes * All rights reserved. 81541Srgrimes * 91541Srgrimes * Permission is hereby granted, free of charge, to any person obtaining a 101541Srgrimes * copy of this software and associated documentation files (the "Software"), 111541Srgrimes * to deal in the Software without restriction, including without limitation 121541Srgrimes * the rights to use, copy, modify, merge, publish, distribute, sublicense, 131541Srgrimes * and/or sell copies of the Software, and to permit persons to whom the 141541Srgrimes * Software is furnished to do so, subject to the following conditions: 151541Srgrimes * 161541Srgrimes * The above copyright notice and this permission notice (including the next 171541Srgrimes * paragraph) shall be included in all copies or substantial portions of the 181541Srgrimes * Software. 191541Srgrimes * 201541Srgrimes * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 211541Srgrimes * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 221541Srgrimes * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 231541Srgrimes * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 241541Srgrimes * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 251541Srgrimes * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 261541Srgrimes * OTHER DEALINGS IN THE SOFTWARE. 271541Srgrimes * 281541Srgrimes * Authors: 291541Srgrimes * Rickard E. (Rik) Faith <faith@valinux.com> 301541Srgrimes * Gareth Hughes <gareth@valinux.com> 311541Srgrimes * 321541Srgrimes */ 331541Srgrimes 341541Srgrimes#include <sys/cdefs.h> 351541Srgrimes__FBSDID("$FreeBSD: head/sys/dev/drm2/drmP.h 247835 2013-03-05 09:49:34Z kib $"); 361541Srgrimes 371541Srgrimes#ifndef _DRM_P_H_ 3814526Shsu#define _DRM_P_H_ 3950477Speter 401541Srgrimes#if defined(_KERNEL) || defined(__KERNEL__) 411541Srgrimes 4214328Speterstruct drm_device; 4380418Speterstruct drm_file; 4413226Swollman 451541Srgrimes#include <sys/param.h> 4680418Speter#include <sys/queue.h> 4780418Speter#include <sys/malloc.h> 481541Srgrimes#include <sys/kernel.h> 4984783Sps#include <sys/ktr.h> 5084783Sps#include <sys/module.h> 511541Srgrimes#include <sys/systm.h> 521541Srgrimes#include <sys/conf.h> 531541Srgrimes#include <sys/sglist.h> 541541Srgrimes#include <sys/stat.h> 551541Srgrimes#include <sys/priv.h> 561541Srgrimes#include <sys/proc.h> 571541Srgrimes#include <sys/lock.h> 5880418Speter#include <sys/fcntl.h> 5980418Speter#include <sys/uio.h> 6080418Speter#include <sys/filio.h> 6180418Speter#include <sys/selinfo.h> 6245515Sdes#include <sys/sysctl.h> 6380418Speter#include <sys/bus.h> 6445515Sdes#include <sys/queue.h> 658747Sdg#include <sys/signalvar.h> 6680418Speter#include <sys/poll.h> 6780418Speter#include <sys/sbuf.h> 6880418Speter#include <sys/taskqueue.h> 6980418Speter#include <sys/tree.h> 7080418Speter#include <vm/vm.h> 7180418Speter#include <vm/pmap.h> 7280418Speter#include <vm/vm_extern.h> 7380418Speter#include <vm/vm_kern.h> 7480418Speter#include <vm/vm_map.h> 7580418Speter#include <vm/vm_object.h> 7680418Speter#include <vm/vm_page.h> 7781933Sdillon#include <vm/vm_pager.h> 7881933Sdillon#include <vm/vm_param.h> 7984783Sps#include <vm/vm_phys.h> 8084783Sps#include <machine/param.h> 8184783Sps#include <machine/pmap.h> 8284783Sps#include <machine/bus.h> 8384783Sps#include <machine/resource.h> 8484783Sps#if defined(__i386__) || defined(__amd64__) 851541Srgrimes#include <machine/specialreg.h> 861541Srgrimes#endif 871541Srgrimes#include <machine/sysarch.h> 881541Srgrimes#include <sys/endian.h> 891541Srgrimes#include <sys/mman.h> 901541Srgrimes#include <sys/rman.h> 919759Sbde#include <sys/memrange.h> 9267046Sjasone#include <dev/agp/agpvar.h> 9367046Sjasone#include <sys/agpio.h> 9487546Sdillon#include <sys/mutex.h> 9580418Speter#include <dev/pci/pcivar.h> 9680418Speter#include <dev/pci/pcireg.h> 9787546Sdillon#include <sys/selinfo.h> 9880418Speter#include <sys/bus.h> 9980418Speter 10080418Speter#include <dev/drm2/drm.h> 10180418Speter#include <dev/drm2/drm_atomic.h> 10280418Speter#include <dev/drm2/drm_internal.h> 10380418Speter#include <dev/drm2/drm_linux_list.h> 10480418Speter#include <dev/drm2/drm_gem_names.h> 10581986Sdillon#include <dev/drm2/drm_mm.h> 10681933Sdillon#include <dev/drm2/drm_hashtab.h> 10781986Sdillon 10881933Sdillon#include "opt_compat.h" 10981986Sdillon#include "opt_drm.h" 11081933Sdillon#ifdef DRM_DEBUG 11181986Sdillon#undef DRM_DEBUG 11281933Sdillon#define DRM_DEBUG_DEFAULT_ON 1 11384783Sps#endif /* DRM_DEBUG */ 11484783Sps 11584783Sps#define DRM_DEBUGBITS_DEBUG 0x1 11684783Sps#define DRM_DEBUGBITS_KMS 0x2 11784783Sps#define DRM_DEBUGBITS_FAILED_IOCTL 0x4 11884783Sps 11984783Sps#undef DRM_LINUX 12084783Sps#define DRM_LINUX 0 12184783Sps 12284783Sps/* driver capabilities and requirements mask */ 12384783Sps#define DRIVER_USE_AGP 0x1 12484783Sps#define DRIVER_REQUIRE_AGP 0x2 12584783Sps#define DRIVER_USE_MTRR 0x4 12680418Speter#define DRIVER_PCI_DMA 0x8 12787546Sdillon#define DRIVER_SG 0x10 12887546Sdillon#define DRIVER_HAVE_DMA 0x20 12987546Sdillon#define DRIVER_HAVE_IRQ 0x40 13087546Sdillon#define DRIVER_IRQ_SHARED 0x80 13187546Sdillon#define DRIVER_IRQ_VBL 0x100 13287546Sdillon#define DRIVER_DMA_QUEUE 0x200 13387546Sdillon#define DRIVER_FB_DMA 0x400 13487546Sdillon#define DRIVER_IRQ_VBL2 0x800 13587546Sdillon#define DRIVER_GEM 0x1000 13690274Sdillon#define DRIVER_MODESET 0x2000 13790274Sdillon#define DRIVER_USE_PLATFORM_DEVICE 0x4000 13890274Sdillon#define DRIVER_LOCKLESS_IRQ 0x8000 13989769Sdillon 14087546Sdillon 14187546Sdillon#define DRM_HASH_SIZE 16 /* Size of key hash table */ 14289769Sdillon#define DRM_KERNEL_CONTEXT 0 /* Change drm_resctx if changed */ 14389769Sdillon#define DRM_RESERVED_CONTEXTS 1 /* Change drm_resctx if changed */ 14487546Sdillon 14587546Sdillon#define DRM_GEM_MAPPING_MASK (3ULL << 62) 14687546Sdillon#define DRM_GEM_MAPPING_KEY (2ULL << 62) /* Non-canonical address form */ 14787546Sdillon#define DRM_GEM_MAX_IDX 0x3fffff 14887546Sdillon#define DRM_GEM_MAPPING_IDX(o) (((o) >> 40) & DRM_GEM_MAX_IDX) 14987546Sdillon#define DRM_GEM_MAPPING_OFF(i) (((uint64_t)(i)) << 40) 15087546Sdillon#define DRM_GEM_MAPPING_MAPOFF(o) \ 15187546Sdillon ((o) & ~(DRM_GEM_MAPPING_OFF(DRM_GEM_MAX_IDX) | DRM_GEM_MAPPING_KEY)) 15287546Sdillon 15387546SdillonMALLOC_DECLARE(DRM_MEM_DMA); 15487817SsilbyMALLOC_DECLARE(DRM_MEM_SAREA); 15587817SsilbyMALLOC_DECLARE(DRM_MEM_DRIVER); 15687546SdillonMALLOC_DECLARE(DRM_MEM_MAGIC); 15787546SdillonMALLOC_DECLARE(DRM_MEM_IOCTLS); 15887546SdillonMALLOC_DECLARE(DRM_MEM_MAPS); 15987546SdillonMALLOC_DECLARE(DRM_MEM_BUFS); 16087546SdillonMALLOC_DECLARE(DRM_MEM_SEGS); 16187546SdillonMALLOC_DECLARE(DRM_MEM_PAGES); 16287546SdillonMALLOC_DECLARE(DRM_MEM_FILES); 16387546SdillonMALLOC_DECLARE(DRM_MEM_QUEUES); 16487546SdillonMALLOC_DECLARE(DRM_MEM_CMDS); 16587546SdillonMALLOC_DECLARE(DRM_MEM_MAPPINGS); 166MALLOC_DECLARE(DRM_MEM_BUFLISTS); 167MALLOC_DECLARE(DRM_MEM_AGPLISTS); 168MALLOC_DECLARE(DRM_MEM_CTXBITMAP); 169MALLOC_DECLARE(DRM_MEM_SGLISTS); 170MALLOC_DECLARE(DRM_MEM_DRAWABLE); 171MALLOC_DECLARE(DRM_MEM_MM); 172MALLOC_DECLARE(DRM_MEM_HASHTAB); 173MALLOC_DECLARE(DRM_MEM_KMS); 174 175SYSCTL_DECL(_hw_drm); 176 177#define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) 178 179 /* Internal types and structures */ 180#define DRM_ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) 181#define DRM_MIN(a,b) ((a)<(b)?(a):(b)) 182#define DRM_MAX(a,b) ((a)>(b)?(a):(b)) 183 184#define DRM_IF_VERSION(maj, min) (maj << 16 | min) 185 186#define __OS_HAS_AGP 1 187 188#define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP) 189#define DRM_DEV_UID 0 190#define DRM_DEV_GID 0 191 192#define wait_queue_head_t atomic_t 193#define DRM_WAKEUP(w) wakeup((void *)w) 194#define DRM_WAKEUP_INT(w) wakeup(w) 195#define DRM_INIT_WAITQUEUE(queue) do {(void)(queue);} while (0) 196 197#define DRM_CURPROC curthread 198#define DRM_STRUCTPROC struct thread 199#define DRM_SPINTYPE struct mtx 200#define DRM_SPININIT(l,name) mtx_init(l, name, NULL, MTX_DEF) 201#define DRM_SPINUNINIT(l) mtx_destroy(l) 202#define DRM_SPINLOCK(l) mtx_lock(l) 203#define DRM_SPINUNLOCK(u) mtx_unlock(u) 204#define DRM_SPINLOCK_IRQSAVE(l, irqflags) do { \ 205 mtx_lock(l); \ 206 (void)irqflags; \ 207} while (0) 208#define DRM_SPINUNLOCK_IRQRESTORE(u, irqflags) mtx_unlock(u) 209#define DRM_SPINLOCK_ASSERT(l) mtx_assert(l, MA_OWNED) 210#define DRM_CURRENTPID curthread->td_proc->p_pid 211#define DRM_LOCK(dev) sx_xlock(&(dev)->dev_struct_lock) 212#define DRM_UNLOCK(dev) sx_xunlock(&(dev)->dev_struct_lock) 213#define DRM_LOCK_SLEEP(dev, chan, flags, msg, timeout) \ 214 (sx_sleep((chan), &(dev)->dev_struct_lock, (flags), (msg), (timeout))) 215#if defined(INVARIANTS) 216#define DRM_LOCK_ASSERT(dev) sx_assert(&(dev)->dev_struct_lock, SA_XLOCKED) 217#define DRM_UNLOCK_ASSERT(dev) sx_assert(&(dev)->dev_struct_lock, SA_UNLOCKED) 218#else 219#define DRM_LOCK_ASSERT(d) 220#define DRM_UNLOCK_ASSERT(d) 221#endif 222 223#define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS) 224 225#define DRM_IRQ_ARGS void *arg 226typedef void irqreturn_t; 227#define IRQ_HANDLED /* nothing */ 228#define IRQ_NONE /* nothing */ 229 230#define unlikely(x) __builtin_expect(!!(x), 0) 231#define likely(x) __builtin_expect((x), 0) 232#define container_of(ptr, type, member) ({ \ 233 __typeof( ((type *)0)->member ) *__mptr = (ptr); \ 234 (type *)( (char *)__mptr - offsetof(type,member) );}) 235 236enum { 237 DRM_IS_NOT_AGP, 238 DRM_IS_AGP, 239 DRM_MIGHT_BE_AGP 240}; 241#define DRM_AGP_MEM struct agp_memory_info 242 243#define drm_get_device_from_kdev(_kdev) (_kdev->si_drv1) 244 245#define PAGE_ALIGN(addr) round_page(addr) 246/* DRM_SUSER returns true if the user is superuser */ 247#define DRM_SUSER(p) (priv_check(p, PRIV_DRIVER) == 0) 248#define DRM_AGP_FIND_DEVICE() agp_find_device() 249#define DRM_MTRR_WC MDF_WRITECOMBINE 250#define jiffies ticks 251#define jiffies_to_msecs(x) (((int64_t)(x)) * 1000 / hz) 252#define msecs_to_jiffies(x) (((int64_t)(x)) * hz / 1000) 253#define time_after(a,b) ((long)(b) - (long)(a) < 0) 254#define time_after_eq(a,b) ((long)(b) - (long)(a) <= 0) 255#define drm_msleep(x, msg) pause((msg), ((int64_t)(x)) * hz / 1000) 256 257typedef vm_paddr_t dma_addr_t; 258typedef uint64_t u64; 259typedef uint32_t u32; 260typedef uint16_t u16; 261typedef uint8_t u8; 262typedef int64_t s64; 263typedef int32_t s32; 264typedef int16_t s16; 265typedef int8_t s8; 266 267/* DRM_READMEMORYBARRIER() prevents reordering of reads. 268 * DRM_WRITEMEMORYBARRIER() prevents reordering of writes. 269 * DRM_MEMORYBARRIER() prevents reordering of reads and writes. 270 */ 271#define DRM_READMEMORYBARRIER() rmb() 272#define DRM_WRITEMEMORYBARRIER() wmb() 273#define DRM_MEMORYBARRIER() mb() 274 275#define DRM_READ8(map, offset) \ 276 *(volatile u_int8_t *)(((vm_offset_t)(map)->virtual) + \ 277 (vm_offset_t)(offset)) 278#define DRM_READ16(map, offset) \ 279 le16toh(*(volatile u_int16_t *)(((vm_offset_t)(map)->virtual) + \ 280 (vm_offset_t)(offset))) 281#define DRM_READ32(map, offset) \ 282 le32toh(*(volatile u_int32_t *)(((vm_offset_t)(map)->virtual) + \ 283 (vm_offset_t)(offset))) 284#define DRM_READ64(map, offset) \ 285 le64toh(*(volatile u_int64_t *)(((vm_offset_t)(map)->virtual) + \ 286 (vm_offset_t)(offset))) 287#define DRM_WRITE8(map, offset, val) \ 288 *(volatile u_int8_t *)(((vm_offset_t)(map)->virtual) + \ 289 (vm_offset_t)(offset)) = val 290#define DRM_WRITE16(map, offset, val) \ 291 *(volatile u_int16_t *)(((vm_offset_t)(map)->virtual) + \ 292 (vm_offset_t)(offset)) = htole16(val) 293#define DRM_WRITE32(map, offset, val) \ 294 *(volatile u_int32_t *)(((vm_offset_t)(map)->virtual) + \ 295 (vm_offset_t)(offset)) = htole32(val) 296#define DRM_WRITE64(map, offset, val) \ 297 *(volatile u_int64_t *)(((vm_offset_t)(map)->virtual) + \ 298 (vm_offset_t)(offset)) = htole64(val) 299 300#define DRM_VERIFYAREA_READ( uaddr, size ) \ 301 (!useracc(__DECONST(caddr_t, uaddr), size, VM_PROT_READ)) 302 303#define DRM_COPY_TO_USER(user, kern, size) \ 304 copyout(kern, user, size) 305#define DRM_COPY_FROM_USER(kern, user, size) \ 306 copyin(user, kern, size) 307#define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \ 308 copyin(arg2, arg1, arg3) 309#define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \ 310 copyout(arg2, arg1, arg3) 311#define DRM_GET_USER_UNCHECKED(val, uaddr) \ 312 ((val) = fuword32(uaddr), 0) 313 314#define cpu_to_le32(x) htole32(x) 315#define le32_to_cpu(x) le32toh(x) 316 317#define DRM_HZ hz 318#define DRM_UDELAY(udelay) DELAY(udelay) 319#define DRM_TIME_SLICE (hz/20) /* Time slice for GLXContexts */ 320 321#define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \ 322 (_map) = (_dev)->context_sareas[_ctx]; \ 323} while(0) 324 325#define LOCK_TEST_WITH_RETURN(dev, file_priv) \ 326do { \ 327 if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \ 328 dev->lock.file_priv != file_priv) { \ 329 DRM_ERROR("%s called without lock held\n", \ 330 __FUNCTION__); \ 331 return EINVAL; \ 332 } \ 333} while (0) 334 335/* Returns -errno to shared code */ 336#define DRM_WAIT_ON( ret, queue, timeout, condition ) \ 337for ( ret = 0 ; !ret && !(condition) ; ) { \ 338 DRM_UNLOCK(dev); \ 339 mtx_lock(&dev->irq_lock); \ 340 if (!(condition)) \ 341 ret = -mtx_sleep(&(queue), &dev->irq_lock, \ 342 PCATCH, "drmwtq", (timeout)); \ 343 mtx_unlock(&dev->irq_lock); \ 344 DRM_LOCK(dev); \ 345} 346 347#define DRM_ERROR(fmt, ...) \ 348 printf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt, \ 349 DRM_CURRENTPID, __func__ , ##__VA_ARGS__) 350 351#define DRM_INFO(fmt, ...) printf("info: [" DRM_NAME "] " fmt , ##__VA_ARGS__) 352 353#define DRM_DEBUG(fmt, ...) do { \ 354 if ((drm_debug_flag & DRM_DEBUGBITS_DEBUG) != 0) \ 355 printf("[" DRM_NAME ":pid%d:%s] " fmt, DRM_CURRENTPID, \ 356 __func__ , ##__VA_ARGS__); \ 357} while (0) 358 359#define DRM_DEBUG_KMS(fmt, ...) do { \ 360 if ((drm_debug_flag & DRM_DEBUGBITS_KMS) != 0) \ 361 printf("[" DRM_NAME ":KMS:pid%d:%s] " fmt, DRM_CURRENTPID,\ 362 __func__ , ##__VA_ARGS__); \ 363} while (0) 364 365#define DRM_DEBUG_DRIVER(fmt, ...) do { \ 366 if ((drm_debug_flag & DRM_DEBUGBITS_KMS) != 0) \ 367 printf("[" DRM_NAME ":KMS:pid%d:%s] " fmt, DRM_CURRENTPID,\ 368 __func__ , ##__VA_ARGS__); \ 369} while (0) 370 371typedef struct drm_pci_id_list 372{ 373 int vendor; 374 int device; 375 long driver_private; 376 char *name; 377} drm_pci_id_list_t; 378 379struct drm_msi_blacklist_entry 380{ 381 int vendor; 382 int device; 383}; 384 385#define DRM_AUTH 0x1 386#define DRM_MASTER 0x2 387#define DRM_ROOT_ONLY 0x4 388#define DRM_CONTROL_ALLOW 0x8 389#define DRM_UNLOCKED 0x10 390 391typedef struct drm_ioctl_desc { 392 unsigned long cmd; 393 int (*func)(struct drm_device *dev, void *data, 394 struct drm_file *file_priv); 395 int flags; 396} drm_ioctl_desc_t; 397/** 398 * Creates a driver or general drm_ioctl_desc array entry for the given 399 * ioctl, for use by drm_ioctl(). 400 */ 401#define DRM_IOCTL_DEF(ioctl, func, flags) \ 402 [DRM_IOCTL_NR(ioctl)] = {ioctl, func, flags} 403 404typedef struct drm_magic_entry { 405 drm_magic_t magic; 406 struct drm_file *priv; 407 struct drm_magic_entry *next; 408} drm_magic_entry_t; 409 410typedef struct drm_magic_head { 411 struct drm_magic_entry *head; 412 struct drm_magic_entry *tail; 413} drm_magic_head_t; 414 415typedef struct drm_buf { 416 int idx; /* Index into master buflist */ 417 int total; /* Buffer size */ 418 int order; /* log-base-2(total) */ 419 int used; /* Amount of buffer in use (for DMA) */ 420 unsigned long offset; /* Byte offset (used internally) */ 421 void *address; /* Address of buffer */ 422 unsigned long bus_address; /* Bus address of buffer */ 423 struct drm_buf *next; /* Kernel-only: used for free list */ 424 __volatile__ int pending; /* On hardware DMA queue */ 425 struct drm_file *file_priv; /* Unique identifier of holding process */ 426 int context; /* Kernel queue for this buffer */ 427 enum { 428 DRM_LIST_NONE = 0, 429 DRM_LIST_FREE = 1, 430 DRM_LIST_WAIT = 2, 431 DRM_LIST_PEND = 3, 432 DRM_LIST_PRIO = 4, 433 DRM_LIST_RECLAIM = 5 434 } list; /* Which list we're on */ 435 436 int dev_priv_size; /* Size of buffer private stoarge */ 437 void *dev_private; /* Per-buffer private storage */ 438} drm_buf_t; 439 440typedef struct drm_freelist { 441 int initialized; /* Freelist in use */ 442 atomic_t count; /* Number of free buffers */ 443 drm_buf_t *next; /* End pointer */ 444 445 int low_mark; /* Low water mark */ 446 int high_mark; /* High water mark */ 447} drm_freelist_t; 448 449typedef struct drm_dma_handle { 450 void *vaddr; 451 bus_addr_t busaddr; 452 bus_dma_tag_t tag; 453 bus_dmamap_t map; 454} drm_dma_handle_t; 455 456typedef struct drm_buf_entry { 457 int buf_size; 458 int buf_count; 459 drm_buf_t *buflist; 460 int seg_count; 461 drm_dma_handle_t **seglist; 462 int page_order; 463 464 drm_freelist_t freelist; 465} drm_buf_entry_t; 466 467/* Event queued up for userspace to read */ 468struct drm_pending_event { 469 struct drm_event *event; 470 struct list_head link; 471 struct drm_file *file_priv; 472 pid_t pid; /* pid of requester, no guarantee it's valid by the time 473 we deliver the event, for tracing only */ 474 void (*destroy)(struct drm_pending_event *event); 475}; 476 477typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t; 478struct drm_file { 479 TAILQ_ENTRY(drm_file) link; 480 struct drm_device *dev; 481 int authenticated; 482 int master; 483 pid_t pid; 484 uid_t uid; 485 drm_magic_t magic; 486 unsigned long ioctl_count; 487 488 void *driver_priv; 489 struct drm_gem_names object_names; 490 491 int is_master; 492 struct drm_master *masterp; 493 494 struct list_head fbs; 495 496 struct list_head event_list; 497 int event_space; 498 struct selinfo event_poll; 499}; 500 501typedef struct drm_lock_data { 502 struct drm_hw_lock *hw_lock; /* Hardware lock */ 503 struct drm_file *file_priv; /* Unique identifier of holding process (NULL is kernel)*/ 504 int lock_queue; /* Queue of blocked processes */ 505 unsigned long lock_time; /* Time of last lock in jiffies */ 506} drm_lock_data_t; 507 508/* This structure, in the struct drm_device, is always initialized while the 509 * device 510 * is open. dev->dma_lock protects the incrementing of dev->buf_use, which 511 * when set marks that no further bufs may be allocated until device teardown 512 * occurs (when the last open of the device has closed). The high/low 513 * watermarks of bufs are only touched by the X Server, and thus not 514 * concurrently accessed, so no locking is needed. 515 */ 516typedef struct drm_device_dma { 517 drm_buf_entry_t bufs[DRM_MAX_ORDER+1]; 518 int buf_count; 519 drm_buf_t **buflist; /* Vector of pointers info bufs */ 520 int seg_count; 521 int page_count; 522 unsigned long *pagelist; 523 unsigned long byte_count; 524 enum { 525 _DRM_DMA_USE_AGP = 0x01, 526 _DRM_DMA_USE_SG = 0x02 527 } flags; 528} drm_device_dma_t; 529 530typedef struct drm_agp_mem { 531 void *handle; 532 unsigned long bound; /* address */ 533 int pages; 534 struct drm_agp_mem *prev; 535 struct drm_agp_mem *next; 536} drm_agp_mem_t; 537 538typedef struct drm_agp_head { 539 device_t agpdev; 540 struct agp_info info; 541 const char *chipset; 542 drm_agp_mem_t *memory; 543 unsigned long mode; 544 int enabled; 545 int acquired; 546 unsigned long base; 547 int mtrr; 548 int cant_use_aperture; 549 unsigned long page_mask; 550} drm_agp_head_t; 551 552typedef struct drm_sg_mem { 553 vm_offset_t vaddr; 554 vm_paddr_t *busaddr; 555 vm_pindex_t pages; 556} drm_sg_mem_t; 557 558#define DRM_MAP_HANDLE_BITS (sizeof(void *) == 4 ? 4 : 24) 559#define DRM_MAP_HANDLE_SHIFT (sizeof(void *) * 8 - DRM_MAP_HANDLE_BITS) 560typedef TAILQ_HEAD(drm_map_list, drm_local_map) drm_map_list_t; 561 562typedef struct drm_local_map { 563 unsigned long offset; /* Physical address (0 for SAREA) */ 564 unsigned long size; /* Physical size (bytes) */ 565 enum drm_map_type type; /* Type of memory mapped */ 566 enum drm_map_flags flags; /* Flags */ 567 void *handle; /* User-space: "Handle" to pass to mmap */ 568 /* Kernel-space: kernel-virtual address */ 569 int mtrr; /* Boolean: MTRR used */ 570 /* Private data */ 571 int rid; /* PCI resource ID for bus_space */ 572 void *virtual; /* Kernel-space: kernel-virtual address */ 573 struct resource *bsr; 574 bus_space_tag_t bst; 575 bus_space_handle_t bsh; 576 drm_dma_handle_t *dmah; 577 TAILQ_ENTRY(drm_local_map) link; 578} drm_local_map_t; 579 580struct drm_vblank_info { 581 wait_queue_head_t queue; /* vblank wait queue */ 582 atomic_t count; /* number of VBLANK interrupts */ 583 /* (driver must alloc the right number of counters) */ 584 atomic_t refcount; /* number of users of vblank interrupts */ 585 u32 last; /* protected by dev->vbl_lock, used */ 586 /* for wraparound handling */ 587 int enabled; /* so we don't call enable more than */ 588 /* once per disable */ 589 int inmodeset; /* Display driver is setting mode */ 590}; 591 592/* Size of ringbuffer for vblank timestamps. Just double-buffer 593 * in initial implementation. 594 */ 595#define DRM_VBLANKTIME_RBSIZE 2 596 597/* Flags and return codes for get_vblank_timestamp() driver function. */ 598#define DRM_CALLED_FROM_VBLIRQ 1 599#define DRM_VBLANKTIME_SCANOUTPOS_METHOD (1 << 0) 600#define DRM_VBLANKTIME_INVBL (1 << 1) 601 602/* get_scanout_position() return flags */ 603#define DRM_SCANOUTPOS_VALID (1 << 0) 604#define DRM_SCANOUTPOS_INVBL (1 << 1) 605#define DRM_SCANOUTPOS_ACCURATE (1 << 2) 606 607/* location of GART table */ 608#define DRM_ATI_GART_MAIN 1 609#define DRM_ATI_GART_FB 2 610 611#define DRM_ATI_GART_PCI 1 612#define DRM_ATI_GART_PCIE 2 613#define DRM_ATI_GART_IGP 3 614 615struct drm_ati_pcigart_info { 616 int gart_table_location; 617 int gart_reg_if; 618 void *addr; 619 dma_addr_t bus_addr; 620 dma_addr_t table_mask; 621 dma_addr_t member_mask; 622 struct drm_dma_handle *table_handle; 623 drm_local_map_t mapping; 624 int table_size; 625 struct drm_dma_handle *dmah; /* handle for ATI PCIGART table */ 626}; 627 628typedef vm_paddr_t resource_size_t; 629 630/** 631 * GEM specific mm private for tracking GEM objects 632 */ 633struct drm_gem_mm { 634 struct drm_open_hash offset_hash; /**< User token hash table for maps */ 635 struct unrhdr *idxunr; 636}; 637 638struct drm_gem_object { 639 /** Reference count of this object */ 640 u_int refcount; 641 642 /** Handle count of this object. Each handle also holds a reference */ 643 u_int handle_count; /* number of handles on this object */ 644 645 /** Related drm device */ 646 struct drm_device *dev; 647 648 /** File representing the shmem storage: filp in Linux parlance */ 649 vm_object_t vm_obj; 650 651 bool on_map; 652 struct drm_hash_item map_list; 653 654 /** 655 * Size of the object, in bytes. Immutable over the object's 656 * lifetime. 657 */ 658 size_t size; 659 660 /** 661 * Global name for this object, starts at 1. 0 means unnamed. 662 * Access is covered by the object_name_lock in the related drm_device 663 */ 664 int name; 665 666 /** 667 * Memory domains. These monitor which caches contain read/write data 668 * related to the object. When transitioning from one set of domains 669 * to another, the driver is called to ensure that caches are suitably 670 * flushed and invalidated 671 */ 672 uint32_t read_domains; 673 uint32_t write_domain; 674 675 /** 676 * While validating an exec operation, the 677 * new read/write domain values are computed here. 678 * They will be transferred to the above values 679 * at the point that any cache flushing occurs 680 */ 681 uint32_t pending_read_domains; 682 uint32_t pending_write_domain; 683 684 void *driver_private; 685}; 686 687#include "drm_crtc.h" 688 689#ifndef DMA_BIT_MASK 690#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : (1ULL<<(n)) - 1) 691#endif 692 693#define upper_32_bits(n) ((u32)(((n) >> 16) >> 16)) 694 695struct drm_driver_info { 696 int (*load)(struct drm_device *, unsigned long flags); 697 int (*firstopen)(struct drm_device *); 698 int (*open)(struct drm_device *, struct drm_file *); 699 void (*preclose)(struct drm_device *, struct drm_file *file_priv); 700 void (*postclose)(struct drm_device *, struct drm_file *); 701 void (*lastclose)(struct drm_device *); 702 int (*unload)(struct drm_device *); 703 void (*reclaim_buffers_locked)(struct drm_device *, 704 struct drm_file *file_priv); 705 int (*dma_ioctl)(struct drm_device *dev, void *data, 706 struct drm_file *file_priv); 707 void (*dma_ready)(struct drm_device *); 708 int (*dma_quiescent)(struct drm_device *); 709 int (*dma_flush_block_and_flush)(struct drm_device *, int context, 710 enum drm_lock_flags flags); 711 int (*dma_flush_unblock)(struct drm_device *, int context, 712 enum drm_lock_flags flags); 713 int (*context_ctor)(struct drm_device *dev, int context); 714 int (*context_dtor)(struct drm_device *dev, int context); 715 int (*kernel_context_switch)(struct drm_device *dev, int old, 716 int new); 717 int (*kernel_context_switch_unlock)(struct drm_device *dev); 718 void (*irq_preinstall)(struct drm_device *dev); 719 int (*irq_postinstall)(struct drm_device *dev); 720 void (*irq_uninstall)(struct drm_device *dev); 721 void (*irq_handler)(DRM_IRQ_ARGS); 722 723 u32 (*get_vblank_counter)(struct drm_device *dev, int crtc); 724 int (*enable_vblank)(struct drm_device *dev, int crtc); 725 void (*disable_vblank)(struct drm_device *dev, int crtc); 726 int (*get_scanout_position)(struct drm_device *dev, int crtc, 727 int *vpos, int *hpos); 728 729 int (*get_vblank_timestamp)(struct drm_device *dev, int crtc, 730 int *max_error, struct timeval *vblank_time, 731 unsigned flags); 732 733 int (*gem_init_object)(struct drm_gem_object *obj); 734 void (*gem_free_object)(struct drm_gem_object *obj); 735 736 struct cdev_pager_ops *gem_pager_ops; 737 738 int (*dumb_create)(struct drm_file *file_priv, 739 struct drm_device *dev, struct drm_mode_create_dumb *args); 740 int (*dumb_map_offset)(struct drm_file *file_priv, 741 struct drm_device *dev, uint32_t handle, uint64_t *offset); 742 int (*dumb_destroy)(struct drm_file *file_priv, 743 struct drm_device *dev, uint32_t handle); 744 745 int (*sysctl_init)(struct drm_device *dev, 746 struct sysctl_ctx_list *ctx, struct sysctl_oid *top); 747 void (*sysctl_cleanup)(struct drm_device *dev); 748 749 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ 750 751 /** 752 * Called by \c drm_device_is_agp. Typically used to determine if a 753 * card is really attached to AGP or not. 754 * 755 * \param dev DRM device handle 756 * 757 * \returns 758 * One of three values is returned depending on whether or not the 759 * card is absolutely \b not AGP (return of 0), absolutely \b is AGP 760 * (return of 1), or may or may not be AGP (return of 2). 761 */ 762 int (*device_is_agp) (struct drm_device * dev); 763 764 drm_ioctl_desc_t *ioctls; 765#ifdef COMPAT_FREEBSD32 766 drm_ioctl_desc_t *compat_ioctls; 767 int *compat_ioctls_nr; 768#endif 769 int max_ioctl; 770 771 int buf_priv_size; 772 773 int major; 774 int minor; 775 int patchlevel; 776 const char *name; /* Simple driver name */ 777 const char *desc; /* Longer driver name */ 778 const char *date; /* Date of last major changes. */ 779 780 u32 driver_features; 781}; 782 783/** 784 * DRM minor structure. This structure represents a drm minor number. 785 */ 786struct drm_minor { 787 int index; /**< Minor device number */ 788 int type; /**< Control or render */ 789 device_t kdev; /**< OS device */ 790 struct drm_device *dev; 791 792 struct drm_master *master; /* currently active master for this node */ 793 struct list_head master_list; 794 struct drm_mode_group mode_group; 795}; 796 797/* mode specified on the command line */ 798struct drm_cmdline_mode { 799 bool specified; 800 bool refresh_specified; 801 bool bpp_specified; 802 int xres, yres; 803 int bpp; 804 int refresh; 805 bool rb; 806 bool interlace; 807 bool cvt; 808 bool margins; 809 enum drm_connector_force force; 810}; 811 812struct drm_pending_vblank_event { 813 struct drm_pending_event base; 814 int pipe; 815 struct drm_event_vblank event; 816}; 817 818/* Length for the array of resource pointers for drm_get_resource_*. */ 819#define DRM_MAX_PCI_RESOURCE 6 820 821/** 822 * DRM device functions structure 823 */ 824struct drm_device { 825 struct drm_driver_info *driver; 826 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ 827 828 u_int16_t pci_device; /* PCI device id */ 829 u_int16_t pci_vendor; /* PCI vendor id */ 830 831 char *unique; /* Unique identifier: e.g., busid */ 832 int unique_len; /* Length of unique field */ 833 device_t device; /* Device instance from newbus */ 834 struct cdev *devnode; /* Device number for mknod */ 835 int if_version; /* Highest interface version set */ 836 837 int flags; /* Flags to open(2) */ 838 839 /* Locks */ 840 struct mtx dma_lock; /* protects dev->dma */ 841 struct mtx irq_lock; /* protects irq condition checks */ 842 struct mtx dev_lock; /* protects everything else */ 843 struct sx dev_struct_lock; 844 DRM_SPINTYPE drw_lock; 845 846 /* Usage Counters */ 847 int open_count; /* Outstanding files open */ 848 int buf_use; /* Buffers in use -- cannot alloc */ 849 850 /* Performance counters */ 851 unsigned long counters; 852 enum drm_stat_type types[15]; 853 atomic_t counts[15]; 854 855 /* Authentication */ 856 drm_file_list_t files; 857 drm_magic_head_t magiclist[DRM_HASH_SIZE]; 858 859 /* Linked list of mappable regions. Protected by dev_lock */ 860 drm_map_list_t maplist; 861 struct unrhdr *map_unrhdr; 862 863 drm_local_map_t **context_sareas; 864 int max_context; 865 866 drm_lock_data_t lock; /* Information on hardware lock */ 867 868 /* DMA queues (contexts) */ 869 drm_device_dma_t *dma; /* Optional pointer for DMA support */ 870 871 /* Context support */ 872 int irq; /* Interrupt used by board */ 873 int irq_enabled; /* True if the irq handler is enabled */ 874 int msi_enabled; /* MSI enabled */ 875 int irqrid; /* Interrupt used by board */ 876 struct resource *irqr; /* Resource for interrupt used by board */ 877 void *irqh; /* Handle from bus_setup_intr */ 878 879 /* Storage of resource pointers for drm_get_resource_* */ 880 struct resource *pcir[DRM_MAX_PCI_RESOURCE]; 881 int pcirid[DRM_MAX_PCI_RESOURCE]; 882 883 int pci_domain; 884 int pci_bus; 885 int pci_slot; 886 int pci_func; 887 888 atomic_t context_flag; /* Context swapping flag */ 889 int last_context; /* Last current context */ 890 891 int num_crtcs; 892 893 struct sigio *buf_sigio; /* Processes waiting for SIGIO */ 894 895 /* Sysctl support */ 896 struct drm_sysctl_info *sysctl; 897 int sysctl_node_idx; 898 899 drm_agp_head_t *agp; 900 drm_sg_mem_t *sg; /* Scatter gather memory */ 901 atomic_t *ctx_bitmap; 902 void *dev_private; 903 unsigned int agp_buffer_token; 904 drm_local_map_t *agp_buffer_map; 905 906 struct drm_minor *control; /**< Control node for card */ 907 struct drm_minor *primary; /**< render type primary screen head */ 908 909 void *drm_ttm_bo; 910 struct unrhdr *drw_unrhdr; 911 /* RB tree of drawable infos */ 912 RB_HEAD(drawable_tree, bsd_drm_drawable_info) drw_head; 913 914 int vblank_disable_allowed; 915 916 atomic_t *_vblank_count; /**< number of VBLANK interrupts (driver must alloc the right number of counters) */ 917 struct timeval *_vblank_time; /**< timestamp of current vblank_count (drivers must alloc right number of fields) */ 918 struct mtx vblank_time_lock; /**< Protects vblank count and time updates during vblank enable/disable */ 919 struct mtx vbl_lock; 920 atomic_t *vblank_refcount; /* number of users of vblank interruptsper crtc */ 921 u32 *last_vblank; /* protected by dev->vbl_lock, used */ 922 /* for wraparound handling */ 923 int *vblank_enabled; /* so we don't call enable more than 924 once per disable */ 925 int *vblank_inmodeset; /* Display driver is setting mode */ 926 u32 *last_vblank_wait; /* Last vblank seqno waited per CRTC */ 927 struct callout vblank_disable_callout; 928 929 u32 max_vblank_count; /**< size of vblank counter register */ 930 931 struct list_head vblank_event_list; 932 struct mtx event_lock; 933 934 struct drm_mode_config mode_config; /**< Current mode config */ 935 936 /* GEM part */ 937 struct sx object_name_lock; 938 struct drm_gem_names object_names; 939 void *mm_private; 940 941 void *sysctl_private; 942 char busid_str[128]; 943 int modesetting; 944}; 945 946static __inline__ int drm_core_check_feature(struct drm_device *dev, 947 int feature) 948{ 949 return ((dev->driver->driver_features & feature) ? 1 : 0); 950} 951 952#if __OS_HAS_AGP 953static inline int drm_core_has_AGP(struct drm_device *dev) 954{ 955 return drm_core_check_feature(dev, DRIVER_USE_AGP); 956} 957#else 958#define drm_core_has_AGP(dev) (0) 959#endif 960 961enum dmi_field { 962 DMI_NONE, 963 DMI_BIOS_VENDOR, 964 DMI_BIOS_VERSION, 965 DMI_BIOS_DATE, 966 DMI_SYS_VENDOR, 967 DMI_PRODUCT_NAME, 968 DMI_PRODUCT_VERSION, 969 DMI_PRODUCT_SERIAL, 970 DMI_PRODUCT_UUID, 971 DMI_BOARD_VENDOR, 972 DMI_BOARD_NAME, 973 DMI_BOARD_VERSION, 974 DMI_BOARD_SERIAL, 975 DMI_BOARD_ASSET_TAG, 976 DMI_CHASSIS_VENDOR, 977 DMI_CHASSIS_TYPE, 978 DMI_CHASSIS_VERSION, 979 DMI_CHASSIS_SERIAL, 980 DMI_CHASSIS_ASSET_TAG, 981 DMI_STRING_MAX, 982}; 983 984struct dmi_strmatch { 985 unsigned char slot; 986 char substr[79]; 987}; 988 989struct dmi_system_id { 990 int (*callback)(const struct dmi_system_id *); 991 const char *ident; 992 struct dmi_strmatch matches[4]; 993}; 994#define DMI_MATCH(a, b) {(a), (b)} 995bool dmi_check_system(const struct dmi_system_id *); 996 997extern int drm_debug_flag; 998extern int drm_notyet_flag; 999extern unsigned int drm_vblank_offdelay; 1000extern unsigned int drm_timestamp_precision; 1001 1002/* Device setup support (drm_drv.c) */ 1003int drm_probe(device_t kdev, drm_pci_id_list_t *idlist); 1004int drm_attach(device_t kdev, drm_pci_id_list_t *idlist); 1005int drm_create_cdevs(device_t kdev); 1006void drm_close(void *data); 1007int drm_detach(device_t kdev); 1008d_ioctl_t drm_ioctl; 1009d_open_t drm_open; 1010d_read_t drm_read; 1011d_poll_t drm_poll; 1012d_mmap_t drm_mmap; 1013extern drm_local_map_t *drm_getsarea(struct drm_device *dev); 1014 1015void drm_event_wakeup(struct drm_pending_event *e); 1016 1017int drm_add_busid_modesetting(struct drm_device *dev, 1018 struct sysctl_ctx_list *ctx, struct sysctl_oid *top); 1019 1020/* File operations helpers (drm_fops.c) */ 1021extern int drm_open_helper(struct cdev *kdev, int flags, int fmt, 1022 DRM_STRUCTPROC *p, 1023 struct drm_device *dev); 1024 1025/* Memory management support (drm_memory.c) */ 1026void drm_mem_init(void); 1027void drm_mem_uninit(void); 1028void *drm_ioremap_wc(struct drm_device *dev, drm_local_map_t *map); 1029void *drm_ioremap(struct drm_device *dev, drm_local_map_t *map); 1030void drm_ioremapfree(drm_local_map_t *map); 1031int drm_mtrr_add(unsigned long offset, size_t size, int flags); 1032int drm_mtrr_del(int handle, unsigned long offset, size_t size, int flags); 1033 1034int drm_context_switch(struct drm_device *dev, int old, int new); 1035int drm_context_switch_complete(struct drm_device *dev, int new); 1036 1037int drm_ctxbitmap_init(struct drm_device *dev); 1038void drm_ctxbitmap_cleanup(struct drm_device *dev); 1039void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle); 1040int drm_ctxbitmap_next(struct drm_device *dev); 1041 1042/* Locking IOCTL support (drm_lock.c) */ 1043int drm_lock_take(struct drm_lock_data *lock_data, 1044 unsigned int context); 1045int drm_lock_transfer(struct drm_lock_data *lock_data, 1046 unsigned int context); 1047int drm_lock_free(struct drm_lock_data *lock_data, 1048 unsigned int context); 1049 1050/* Buffer management support (drm_bufs.c) */ 1051unsigned long drm_get_resource_start(struct drm_device *dev, 1052 unsigned int resource); 1053unsigned long drm_get_resource_len(struct drm_device *dev, 1054 unsigned int resource); 1055void drm_rmmap(struct drm_device *dev, drm_local_map_t *map); 1056int drm_order(unsigned long size); 1057int drm_addmap(struct drm_device *dev, unsigned long offset, 1058 unsigned long size, 1059 enum drm_map_type type, enum drm_map_flags flags, 1060 drm_local_map_t **map_ptr); 1061int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc *request); 1062int drm_addbufs_sg(struct drm_device *dev, struct drm_buf_desc *request); 1063int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc *request); 1064 1065/* DMA support (drm_dma.c) */ 1066int drm_dma_setup(struct drm_device *dev); 1067void drm_dma_takedown(struct drm_device *dev); 1068void drm_free_buffer(struct drm_device *dev, drm_buf_t *buf); 1069void drm_reclaim_buffers(struct drm_device *dev, struct drm_file *file_priv); 1070#define drm_core_reclaim_buffers drm_reclaim_buffers 1071 1072/* IRQ support (drm_irq.c) */ 1073int drm_irq_install(struct drm_device *dev); 1074int drm_irq_uninstall(struct drm_device *dev); 1075irqreturn_t drm_irq_handler(DRM_IRQ_ARGS); 1076void drm_driver_irq_preinstall(struct drm_device *dev); 1077void drm_driver_irq_postinstall(struct drm_device *dev); 1078void drm_driver_irq_uninstall(struct drm_device *dev); 1079 1080void drm_vblank_pre_modeset(struct drm_device *dev, int crtc); 1081void drm_vblank_post_modeset(struct drm_device *dev, int crtc); 1082int drm_modeset_ctl(struct drm_device *dev, void *data, 1083 struct drm_file *file_priv); 1084 1085extern int drm_vblank_init(struct drm_device *dev, int num_crtcs); 1086extern int drm_wait_vblank(struct drm_device *dev, void *data, 1087 struct drm_file *filp); 1088extern int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq); 1089extern u32 drm_vblank_count(struct drm_device *dev, int crtc); 1090extern u32 drm_vblank_count_and_time(struct drm_device *dev, int crtc, 1091 struct timeval *vblanktime); 1092extern bool drm_handle_vblank(struct drm_device *dev, int crtc); 1093void drm_handle_vblank_events(struct drm_device *dev, int crtc); 1094extern int drm_vblank_get(struct drm_device *dev, int crtc); 1095extern void drm_vblank_put(struct drm_device *dev, int crtc); 1096extern void drm_vblank_off(struct drm_device *dev, int crtc); 1097extern void drm_vblank_cleanup(struct drm_device *dev); 1098extern u32 drm_get_last_vbltimestamp(struct drm_device *dev, int crtc, 1099 struct timeval *tvblank, unsigned flags); 1100extern int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev, 1101 int crtc, int *max_error, 1102 struct timeval *vblank_time, 1103 unsigned flags, 1104 struct drm_crtc *refcrtc); 1105extern void drm_calc_timestamping_constants(struct drm_crtc *crtc); 1106 1107struct timeval ns_to_timeval(const int64_t nsec); 1108int64_t timeval_to_ns(const struct timeval *tv); 1109 1110/* AGP/PCI Express/GART support (drm_agpsupport.c) */ 1111int drm_device_is_agp(struct drm_device *dev); 1112int drm_device_is_pcie(struct drm_device *dev); 1113drm_agp_head_t *drm_agp_init(void); 1114int drm_agp_acquire(struct drm_device *dev); 1115int drm_agp_release(struct drm_device *dev); 1116int drm_agp_info(struct drm_device * dev, struct drm_agp_info *info); 1117int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode); 1118void *drm_agp_allocate_memory(size_t pages, u32 type); 1119int drm_agp_free_memory(void *handle); 1120int drm_agp_bind_memory(void *handle, off_t start); 1121int drm_agp_unbind_memory(void *handle); 1122int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request); 1123int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request); 1124int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request); 1125int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request); 1126 1127/* Scatter Gather Support (drm_scatter.c) */ 1128void drm_sg_cleanup(drm_sg_mem_t *entry); 1129int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request); 1130 1131/* sysctl support (drm_sysctl.h) */ 1132extern int drm_sysctl_init(struct drm_device *dev); 1133extern int drm_sysctl_cleanup(struct drm_device *dev); 1134 1135/* ATI PCIGART support (ati_pcigart.c) */ 1136int drm_ati_pcigart_init(struct drm_device *dev, 1137 struct drm_ati_pcigart_info *gart_info); 1138int drm_ati_pcigart_cleanup(struct drm_device *dev, 1139 struct drm_ati_pcigart_info *gart_info); 1140 1141/* Cache management (drm_memory.c) */ 1142void drm_clflush_pages(vm_page_t *pages, unsigned long num_pages); 1143 1144/* Locking IOCTL support (drm_drv.c) */ 1145int drm_lock(struct drm_device *dev, void *data, 1146 struct drm_file *file_priv); 1147int drm_unlock(struct drm_device *dev, void *data, 1148 struct drm_file *file_priv); 1149int drm_version(struct drm_device *dev, void *data, 1150 struct drm_file *file_priv); 1151int drm_setversion(struct drm_device *dev, void *data, 1152 struct drm_file *file_priv); 1153 1154/* Misc. IOCTL support (drm_ioctl.c) */ 1155int drm_irq_by_busid(struct drm_device *dev, void *data, 1156 struct drm_file *file_priv); 1157int drm_getunique(struct drm_device *dev, void *data, 1158 struct drm_file *file_priv); 1159int drm_setunique(struct drm_device *dev, void *data, 1160 struct drm_file *file_priv); 1161int drm_getmap(struct drm_device *dev, void *data, 1162 struct drm_file *file_priv); 1163int drm_getclient(struct drm_device *dev, void *data, 1164 struct drm_file *file_priv); 1165int drm_getstats(struct drm_device *dev, void *data, 1166 struct drm_file *file_priv); 1167int drm_getcap(struct drm_device *dev, void *data, 1168 struct drm_file *file_priv); 1169int drm_noop(struct drm_device *dev, void *data, 1170 struct drm_file *file_priv); 1171 1172/* Context IOCTL support (drm_context.c) */ 1173int drm_resctx(struct drm_device *dev, void *data, 1174 struct drm_file *file_priv); 1175int drm_addctx(struct drm_device *dev, void *data, 1176 struct drm_file *file_priv); 1177int drm_modctx(struct drm_device *dev, void *data, 1178 struct drm_file *file_priv); 1179int drm_getctx(struct drm_device *dev, void *data, 1180 struct drm_file *file_priv); 1181int drm_switchctx(struct drm_device *dev, void *data, 1182 struct drm_file *file_priv); 1183int drm_newctx(struct drm_device *dev, void *data, 1184 struct drm_file *file_priv); 1185int drm_rmctx(struct drm_device *dev, void *data, 1186 struct drm_file *file_priv); 1187int drm_setsareactx(struct drm_device *dev, void *data, 1188 struct drm_file *file_priv); 1189int drm_getsareactx(struct drm_device *dev, void *data, 1190 struct drm_file *file_priv); 1191 1192/* Drawable IOCTL support (drm_drawable.c) */ 1193int drm_adddraw(struct drm_device *dev, void *data, 1194 struct drm_file *file_priv); 1195int drm_rmdraw(struct drm_device *dev, void *data, 1196 struct drm_file *file_priv); 1197int drm_update_draw(struct drm_device *dev, void *data, 1198 struct drm_file *file_priv); 1199struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev, 1200 int handle); 1201 1202/* Drawable support (drm_drawable.c) */ 1203void drm_drawable_free_all(struct drm_device *dev); 1204 1205/* Authentication IOCTL support (drm_auth.c) */ 1206int drm_getmagic(struct drm_device *dev, void *data, 1207 struct drm_file *file_priv); 1208int drm_authmagic(struct drm_device *dev, void *data, 1209 struct drm_file *file_priv); 1210 1211/* Buffer management support (drm_bufs.c) */ 1212int drm_addmap_ioctl(struct drm_device *dev, void *data, 1213 struct drm_file *file_priv); 1214int drm_rmmap_ioctl(struct drm_device *dev, void *data, 1215 struct drm_file *file_priv); 1216int drm_addbufs(struct drm_device *dev, void *data, 1217 struct drm_file *file_priv); 1218int drm_infobufs(struct drm_device *dev, void *data, 1219 struct drm_file *file_priv); 1220int drm_markbufs(struct drm_device *dev, void *data, 1221 struct drm_file *file_priv); 1222int drm_freebufs(struct drm_device *dev, void *data, 1223 struct drm_file *file_priv); 1224int drm_mapbufs(struct drm_device *dev, void *data, 1225 struct drm_file *file_priv); 1226 1227/* DMA support (drm_dma.c) */ 1228int drm_dma(struct drm_device *dev, void *data, struct drm_file *file_priv); 1229 1230/* IRQ support (drm_irq.c) */ 1231int drm_control(struct drm_device *dev, void *data, 1232 struct drm_file *file_priv); 1233 1234/* AGP/GART support (drm_agpsupport.c) */ 1235int drm_agp_acquire_ioctl(struct drm_device *dev, void *data, 1236 struct drm_file *file_priv); 1237int drm_agp_release_ioctl(struct drm_device *dev, void *data, 1238 struct drm_file *file_priv); 1239int drm_agp_enable_ioctl(struct drm_device *dev, void *data, 1240 struct drm_file *file_priv); 1241int drm_agp_info_ioctl(struct drm_device *dev, void *data, 1242 struct drm_file *file_priv); 1243int drm_agp_alloc_ioctl(struct drm_device *dev, void *data, 1244 struct drm_file *file_priv); 1245int drm_agp_free_ioctl(struct drm_device *dev, void *data, 1246 struct drm_file *file_priv); 1247int drm_agp_unbind_ioctl(struct drm_device *dev, void *data, 1248 struct drm_file *file_priv); 1249int drm_agp_bind_ioctl(struct drm_device *dev, void *data, 1250 struct drm_file *file_priv); 1251 1252 /* Stub support (drm_stub.h) */ 1253extern int drm_setmaster_ioctl(struct drm_device *dev, void *data, 1254 struct drm_file *file_priv); 1255extern int drm_dropmaster_ioctl(struct drm_device *dev, void *data, 1256 struct drm_file *file_priv); 1257 1258/* Scatter Gather Support (drm_scatter.c) */ 1259int drm_sg_alloc_ioctl(struct drm_device *dev, void *data, 1260 struct drm_file *file_priv); 1261int drm_sg_free(struct drm_device *dev, void *data, 1262 struct drm_file *file_priv); 1263 1264/* consistent PCI memory functions (drm_pci.c) */ 1265drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size, 1266 size_t align, dma_addr_t maxaddr); 1267void drm_pci_free(struct drm_device *dev, drm_dma_handle_t *dmah); 1268 1269/* Graphics Execution Manager library functions (drm_gem.c) */ 1270int drm_gem_init(struct drm_device *dev); 1271void drm_gem_destroy(struct drm_device *dev); 1272 1273int drm_gem_close_ioctl(struct drm_device *dev, void *data, 1274 struct drm_file *file_priv); 1275int drm_gem_flink_ioctl(struct drm_device *dev, void *data, 1276 struct drm_file *file_priv); 1277int drm_gem_open_ioctl(struct drm_device *dev, void *data, 1278 struct drm_file *file_priv); 1279int drm_gem_handle_create(struct drm_file *file_priv, 1280 struct drm_gem_object *obj, 1281 u32 *handlep); 1282int drm_gem_handle_delete(struct drm_file *file_priv, uint32_t handle); 1283void drm_gem_object_handle_reference(struct drm_gem_object *obj); 1284void drm_gem_object_handle_unreference(struct drm_gem_object *obj); 1285void drm_gem_object_handle_unreference_unlocked(struct drm_gem_object *obj); 1286void drm_gem_object_handle_free(struct drm_gem_object *obj); 1287void drm_gem_object_reference(struct drm_gem_object *obj); 1288void drm_gem_object_unreference(struct drm_gem_object *obj); 1289void drm_gem_object_unreference_unlocked(struct drm_gem_object *obj); 1290void drm_gem_object_release(struct drm_gem_object *obj); 1291void drm_gem_object_free(struct drm_gem_object *obj); 1292int drm_gem_object_init(struct drm_device *dev, struct drm_gem_object *obj, 1293 size_t size); 1294int drm_gem_private_object_init(struct drm_device *dev, 1295 struct drm_gem_object *obj, size_t size); 1296struct drm_gem_object *drm_gem_object_alloc(struct drm_device *dev, 1297 size_t size); 1298struct drm_gem_object *drm_gem_object_lookup(struct drm_device *dev, 1299 struct drm_file *file_priv, uint32_t handle); 1300 1301void drm_gem_open(struct drm_device *dev, struct drm_file *file_priv); 1302void drm_gem_release(struct drm_device *dev, struct drm_file *file_priv); 1303 1304int drm_gem_create_mmap_offset(struct drm_gem_object *obj); 1305void drm_gem_free_mmap_offset(struct drm_gem_object *obj); 1306int drm_gem_mmap_single(struct drm_device *dev, vm_ooffset_t *offset, 1307 vm_size_t size, struct vm_object **obj_res, int nprot); 1308void drm_gem_pager_dtr(void *obj); 1309 1310struct ttm_bo_device; 1311int ttm_bo_mmap_single(struct ttm_bo_device *bdev, vm_ooffset_t *offset, 1312 vm_size_t size, struct vm_object **obj_res, int nprot); 1313 1314void drm_device_lock_mtx(struct drm_device *dev); 1315void drm_device_unlock_mtx(struct drm_device *dev); 1316int drm_device_sleep_mtx(struct drm_device *dev, void *chan, int flags, 1317 const char *msg, int timeout); 1318void drm_device_assert_mtx_locked(struct drm_device *dev); 1319void drm_device_assert_mtx_unlocked(struct drm_device *dev); 1320 1321void drm_device_lock_struct(struct drm_device *dev); 1322void drm_device_unlock_struct(struct drm_device *dev); 1323int drm_device_sleep_struct(struct drm_device *dev, void *chan, int flags, 1324 const char *msg, int timeout); 1325void drm_device_assert_struct_locked(struct drm_device *dev); 1326void drm_device_assert_struct_unlocked(struct drm_device *dev); 1327 1328void drm_compat_locking_init(struct drm_device *dev); 1329void drm_sleep_locking_init(struct drm_device *dev); 1330 1331/* drm_modes.c */ 1332bool drm_mode_parse_command_line_for_connector(const char *mode_option, 1333 struct drm_connector *connector, struct drm_cmdline_mode *mode); 1334struct drm_display_mode *drm_mode_create_from_cmdline_mode( 1335 struct drm_device *dev, struct drm_cmdline_mode *cmd); 1336 1337/* drm_edid.c */ 1338u8 *drm_find_cea_extension(struct edid *edid); 1339 1340/* Inline replacements for drm_alloc and friends */ 1341static __inline__ void * 1342drm_alloc(size_t size, struct malloc_type *area) 1343{ 1344 return malloc(size, area, M_NOWAIT); 1345} 1346 1347static __inline__ void * 1348drm_calloc(size_t nmemb, size_t size, struct malloc_type *area) 1349{ 1350 return malloc(size * nmemb, area, M_NOWAIT | M_ZERO); 1351} 1352 1353static __inline__ void * 1354drm_realloc(void *oldpt, size_t oldsize, size_t size, 1355 struct malloc_type *area) 1356{ 1357 return reallocf(oldpt, size, area, M_NOWAIT); 1358} 1359 1360static __inline__ void 1361drm_free(void *pt, size_t size, struct malloc_type *area) 1362{ 1363 free(pt, area); 1364} 1365 1366/* Inline replacements for DRM_IOREMAP macros */ 1367static __inline__ void 1368drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev) 1369{ 1370 map->virtual = drm_ioremap_wc(dev, map); 1371} 1372static __inline__ void 1373drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev) 1374{ 1375 map->virtual = drm_ioremap(dev, map); 1376} 1377static __inline__ void 1378drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev) 1379{ 1380 if ( map->virtual && map->size ) 1381 drm_ioremapfree(map); 1382} 1383 1384static __inline__ struct drm_local_map * 1385drm_core_findmap(struct drm_device *dev, unsigned long offset) 1386{ 1387 drm_local_map_t *map; 1388 1389 DRM_LOCK_ASSERT(dev); 1390 TAILQ_FOREACH(map, &dev->maplist, link) { 1391 if (offset == (unsigned long)map->handle) 1392 return map; 1393 } 1394 return NULL; 1395} 1396 1397static __inline__ void drm_core_dropmap(struct drm_map *map) 1398{ 1399} 1400 1401#define KIB_NOTYET() \ 1402do { \ 1403 if (drm_debug_flag && drm_notyet_flag) \ 1404 printf("NOTYET: %s at %s:%d\n", __func__, __FILE__, __LINE__); \ 1405} while (0) 1406 1407#define KTR_DRM KTR_DEV 1408#define KTR_DRM_REG KTR_SPARE3 1409 1410#endif /* __KERNEL__ */ 1411#endif /* _DRM_P_H_ */ 1412