1/* drmP.h -- Private header for Direct Rendering Manager -*- linux-c -*- 2 * Created: Mon Jan 4 10:05:05 1999 by faith@precisioninsight.com 3 */ 4/*- 5 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. 6 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. 7 * All rights reserved. 8 * 9 * Permission is hereby granted, free of charge, to any person obtaining a 10 * copy of this software and associated documentation files (the "Software"), 11 * to deal in the Software without restriction, including without limitation 12 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 13 * and/or sell copies of the Software, and to permit persons to whom the 14 * Software is furnished to do so, subject to the following conditions: 15 * 16 * The above copyright notice and this permission notice (including the next 17 * paragraph) shall be included in all copies or substantial portions of the 18 * Software. 19 * 20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 23 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 24 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 25 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 26 * OTHER DEALINGS IN THE SOFTWARE. 27 * 28 * Authors: 29 * Rickard E. (Rik) Faith <faith@valinux.com> 30 * Gareth Hughes <gareth@valinux.com> 31 * 32 */ 33 34#include <sys/cdefs.h> 35__FBSDID("$FreeBSD: releng/11.0/sys/dev/drm/drmP.h 295881 2016-02-22 09:04:36Z skra $"); 36 37#ifndef _DRM_P_H_ 38#define _DRM_P_H_ 39 40#if defined(_KERNEL) || defined(__KERNEL__) 41 42struct drm_device; 43struct drm_file; 44 45#include <sys/param.h> 46#include <sys/queue.h> 47#include <sys/malloc.h> 48#include <sys/kernel.h> 49#include <sys/module.h> 50#include <sys/systm.h> 51#include <sys/conf.h> 52#include <sys/sglist.h> 53#include <sys/stat.h> 54#include <sys/priv.h> 55#include <sys/proc.h> 56#include <sys/lock.h> 57#include <sys/fcntl.h> 58#include <sys/uio.h> 59#include <sys/filio.h> 60#include <sys/rwlock.h> 61#include <sys/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/taskqueue.h> 67#include <sys/tree.h> 68#include <vm/vm.h> 69#include <vm/pmap.h> 70#include <vm/vm_extern.h> 71#include <vm/vm_kern.h> 72#include <vm/vm_map.h> 73#include <vm/vm_object.h> 74#include <vm/vm_page.h> 75#include <vm/vm_pager.h> 76#include <vm/vm_param.h> 77#include <vm/vm_phys.h> 78#include <machine/bus.h> 79#include <machine/resource.h> 80#if defined(__i386__) || defined(__amd64__) 81#include <machine/specialreg.h> 82#endif 83#include <machine/sysarch.h> 84#include <sys/endian.h> 85#if _BYTE_ORDER == _BIG_ENDIAN 86#define __BIG_ENDIAN 1 87#else 88#define __LITTLE_ENDIAN 1 89#endif 90#include <sys/mman.h> 91#include <sys/rman.h> 92#include <sys/memrange.h> 93#include <dev/agp/agpvar.h> 94#include <sys/agpio.h> 95#include <sys/mutex.h> 96#include <dev/pci/pcivar.h> 97#include <dev/pci/pcireg.h> 98#include <sys/selinfo.h> 99#include <sys/bus.h> 100 101#include "dev/drm/drm.h" 102#include "dev/drm/drm_atomic.h" 103#include "dev/drm/drm_internal.h" 104#include "dev/drm/drm_linux_list.h" 105 106#include <opt_drm.h> 107#ifdef DRM_DEBUG 108#undef DRM_DEBUG 109#define DRM_DEBUG_DEFAULT_ON 1 110#endif /* DRM_DEBUG */ 111 112#if defined(DRM_LINUX) && DRM_LINUX && !defined(__amd64__) 113#include <sys/file.h> 114#include <sys/proc.h> 115#include <machine/../linux/linux.h> 116#include <machine/../linux/linux_proto.h> 117#else 118/* Either it was defined when it shouldn't be (FreeBSD amd64) or it isn't 119 * supported on this OS yet. 120 */ 121#undef DRM_LINUX 122#define DRM_LINUX 0 123#endif 124 125/* driver capabilities and requirements mask */ 126#define DRIVER_USE_AGP 0x1 127#define DRIVER_REQUIRE_AGP 0x2 128#define DRIVER_USE_MTRR 0x4 129#define DRIVER_PCI_DMA 0x8 130#define DRIVER_SG 0x10 131#define DRIVER_HAVE_DMA 0x20 132#define DRIVER_HAVE_IRQ 0x40 133#define DRIVER_DMA_QUEUE 0x100 134 135 136#define DRM_HASH_SIZE 16 /* Size of key hash table */ 137#define DRM_KERNEL_CONTEXT 0 /* Change drm_resctx if changed */ 138#define DRM_RESERVED_CONTEXTS 1 /* Change drm_resctx if changed */ 139 140MALLOC_DECLARE(DRM_MEM_DMA); 141MALLOC_DECLARE(DRM_MEM_SAREA); 142MALLOC_DECLARE(DRM_MEM_DRIVER); 143MALLOC_DECLARE(DRM_MEM_MAGIC); 144MALLOC_DECLARE(DRM_MEM_IOCTLS); 145MALLOC_DECLARE(DRM_MEM_MAPS); 146MALLOC_DECLARE(DRM_MEM_BUFS); 147MALLOC_DECLARE(DRM_MEM_SEGS); 148MALLOC_DECLARE(DRM_MEM_PAGES); 149MALLOC_DECLARE(DRM_MEM_FILES); 150MALLOC_DECLARE(DRM_MEM_QUEUES); 151MALLOC_DECLARE(DRM_MEM_CMDS); 152MALLOC_DECLARE(DRM_MEM_MAPPINGS); 153MALLOC_DECLARE(DRM_MEM_BUFLISTS); 154MALLOC_DECLARE(DRM_MEM_AGPLISTS); 155MALLOC_DECLARE(DRM_MEM_CTXBITMAP); 156MALLOC_DECLARE(DRM_MEM_SGLISTS); 157MALLOC_DECLARE(DRM_MEM_DRAWABLE); 158MALLOC_DECLARE(DRM_MEM_MM); 159MALLOC_DECLARE(DRM_MEM_HASHTAB); 160 161SYSCTL_DECL(_hw_drm); 162 163#define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) 164 165 /* Internal types and structures */ 166#define DRM_ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) 167#define DRM_MIN(a,b) ((a)<(b)?(a):(b)) 168#define DRM_MAX(a,b) ((a)>(b)?(a):(b)) 169 170#define DRM_IF_VERSION(maj, min) (maj << 16 | min) 171 172#define __OS_HAS_AGP 1 173 174#define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP) 175#define DRM_DEV_UID UID_ROOT 176#define DRM_DEV_GID GID_VIDEO 177 178#define wait_queue_head_t atomic_t 179#define DRM_WAKEUP(w) wakeup((void *)w) 180#define DRM_WAKEUP_INT(w) wakeup(w) 181#define DRM_INIT_WAITQUEUE(queue) do {(void)(queue);} while (0) 182 183#define DRM_CURPROC curthread 184#define DRM_STRUCTPROC struct thread 185#define DRM_SPINTYPE struct mtx 186#define DRM_SPININIT(l,name) mtx_init(l, name, NULL, MTX_DEF) 187#define DRM_SPINUNINIT(l) mtx_destroy(l) 188#define DRM_SPINLOCK(l) mtx_lock(l) 189#define DRM_SPINUNLOCK(u) mtx_unlock(u) 190#define DRM_SPINLOCK_IRQSAVE(l, irqflags) do { \ 191 mtx_lock(l); \ 192 (void)irqflags; \ 193} while (0) 194#define DRM_SPINUNLOCK_IRQRESTORE(u, irqflags) mtx_unlock(u) 195#define DRM_SPINLOCK_ASSERT(l) mtx_assert(l, MA_OWNED) 196#define DRM_CURRENTPID curthread->td_proc->p_pid 197#define DRM_LOCK() mtx_lock(&dev->dev_lock) 198#define DRM_UNLOCK() mtx_unlock(&dev->dev_lock) 199#define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS) 200 201#define DRM_IRQ_ARGS void *arg 202typedef void irqreturn_t; 203#define IRQ_HANDLED /* nothing */ 204#define IRQ_NONE /* nothing */ 205 206#define unlikely(x) __builtin_expect(!!(x), 0) 207#define container_of(ptr, type, member) ({ \ 208 __typeof( ((type *)0)->member ) *__mptr = (ptr); \ 209 (type *)( (char *)__mptr - offsetof(type,member) );}) 210 211enum { 212 DRM_IS_NOT_AGP, 213 DRM_IS_AGP, 214 DRM_MIGHT_BE_AGP 215}; 216#define DRM_AGP_MEM struct agp_memory_info 217 218#define drm_get_device_from_kdev(_kdev) (_kdev->si_drv1) 219 220#define PAGE_ALIGN(addr) round_page(addr) 221/* DRM_SUSER returns true if the user is superuser */ 222#define DRM_SUSER(p) (priv_check(p, PRIV_DRIVER) == 0) 223#define DRM_AGP_FIND_DEVICE() agp_find_device() 224#define DRM_MTRR_WC MDF_WRITECOMBINE 225#define jiffies ticks 226 227typedef vm_paddr_t dma_addr_t; 228typedef u_int64_t u64; 229typedef u_int32_t u32; 230typedef u_int16_t u16; 231typedef u_int8_t u8; 232 233/* DRM_READMEMORYBARRIER() prevents reordering of reads. 234 * DRM_WRITEMEMORYBARRIER() prevents reordering of writes. 235 * DRM_MEMORYBARRIER() prevents reordering of reads and writes. 236 */ 237#define DRM_READMEMORYBARRIER() rmb() 238#define DRM_WRITEMEMORYBARRIER() wmb() 239#define DRM_MEMORYBARRIER() mb() 240 241#define DRM_READ8(map, offset) \ 242 *(volatile u_int8_t *)(((vm_offset_t)(map)->virtual) + \ 243 (vm_offset_t)(offset)) 244#define DRM_READ16(map, offset) \ 245 le16toh(*(volatile u_int16_t *)(((vm_offset_t)(map)->virtual) + \ 246 (vm_offset_t)(offset))) 247#define DRM_READ32(map, offset) \ 248 le32toh(*(volatile u_int32_t *)(((vm_offset_t)(map)->virtual) + \ 249 (vm_offset_t)(offset))) 250#define DRM_WRITE8(map, offset, val) \ 251 *(volatile u_int8_t *)(((vm_offset_t)(map)->virtual) + \ 252 (vm_offset_t)(offset)) = val 253#define DRM_WRITE16(map, offset, val) \ 254 *(volatile u_int16_t *)(((vm_offset_t)(map)->virtual) + \ 255 (vm_offset_t)(offset)) = htole16(val) 256#define DRM_WRITE32(map, offset, val) \ 257 *(volatile u_int32_t *)(((vm_offset_t)(map)->virtual) + \ 258 (vm_offset_t)(offset)) = htole32(val) 259 260#define DRM_VERIFYAREA_READ( uaddr, size ) \ 261 (!useracc(__DECONST(caddr_t, uaddr), size, VM_PROT_READ)) 262 263#define DRM_COPY_TO_USER(user, kern, size) \ 264 copyout(kern, user, size) 265#define DRM_COPY_FROM_USER(kern, user, size) \ 266 copyin(user, kern, size) 267#define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \ 268 copyin(arg2, arg1, arg3) 269#define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \ 270 copyout(arg2, arg1, arg3) 271#define DRM_GET_USER_UNCHECKED(val, uaddr) \ 272 ((val) = fuword32(uaddr), 0) 273 274#define cpu_to_le32(x) htole32(x) 275#define le32_to_cpu(x) le32toh(x) 276 277#define DRM_HZ hz 278#define DRM_UDELAY(udelay) DELAY(udelay) 279#define DRM_TIME_SLICE (hz/20) /* Time slice for GLXContexts */ 280 281#define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \ 282 (_map) = (_dev)->context_sareas[_ctx]; \ 283} while(0) 284 285#define LOCK_TEST_WITH_RETURN(dev, file_priv) \ 286do { \ 287 if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \ 288 dev->lock.file_priv != file_priv) { \ 289 DRM_ERROR("%s called without lock held\n", \ 290 __FUNCTION__); \ 291 return EINVAL; \ 292 } \ 293} while (0) 294 295/* Returns -errno to shared code */ 296#define DRM_WAIT_ON( ret, queue, timeout, condition ) \ 297for ( ret = 0 ; !ret && !(condition) ; ) { \ 298 DRM_UNLOCK(); \ 299 mtx_lock(&dev->irq_lock); \ 300 if (!(condition)) \ 301 ret = -mtx_sleep(&(queue), &dev->irq_lock, \ 302 PCATCH, "drmwtq", (timeout)); \ 303 mtx_unlock(&dev->irq_lock); \ 304 DRM_LOCK(); \ 305} 306 307#define DRM_ERROR(fmt, ...) \ 308 printf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt, \ 309 DRM_CURRENTPID, __func__ , ##__VA_ARGS__) 310 311#define DRM_INFO(fmt, ...) printf("info: [" DRM_NAME "] " fmt , ##__VA_ARGS__) 312 313#define DRM_DEBUG(fmt, ...) do { \ 314 if (drm_debug_flag) \ 315 printf("[" DRM_NAME ":pid%d:%s] " fmt, DRM_CURRENTPID, \ 316 __func__ , ##__VA_ARGS__); \ 317} while (0) 318 319typedef struct drm_pci_id_list 320{ 321 int vendor; 322 int device; 323 long driver_private; 324 char *name; 325} drm_pci_id_list_t; 326 327struct drm_msi_blacklist_entry 328{ 329 int vendor; 330 int device; 331}; 332 333#define DRM_AUTH 0x1 334#define DRM_MASTER 0x2 335#define DRM_ROOT_ONLY 0x4 336typedef struct drm_ioctl_desc { 337 unsigned long cmd; 338 int (*func)(struct drm_device *dev, void *data, 339 struct drm_file *file_priv); 340 int flags; 341} drm_ioctl_desc_t; 342/** 343 * Creates a driver or general drm_ioctl_desc array entry for the given 344 * ioctl, for use by drm_ioctl(). 345 */ 346#define DRM_IOCTL_DEF(ioctl, func, flags) \ 347 [DRM_IOCTL_NR(ioctl)] = {ioctl, func, flags} 348 349typedef struct drm_magic_entry { 350 drm_magic_t magic; 351 struct drm_file *priv; 352 struct drm_magic_entry *next; 353} drm_magic_entry_t; 354 355typedef struct drm_magic_head { 356 struct drm_magic_entry *head; 357 struct drm_magic_entry *tail; 358} drm_magic_head_t; 359 360typedef struct drm_buf { 361 int idx; /* Index into master buflist */ 362 int total; /* Buffer size */ 363 int order; /* log-base-2(total) */ 364 int used; /* Amount of buffer in use (for DMA) */ 365 unsigned long offset; /* Byte offset (used internally) */ 366 void *address; /* Address of buffer */ 367 unsigned long bus_address; /* Bus address of buffer */ 368 struct drm_buf *next; /* Kernel-only: used for free list */ 369 __volatile__ int pending; /* On hardware DMA queue */ 370 struct drm_file *file_priv; /* Unique identifier of holding process */ 371 int context; /* Kernel queue for this buffer */ 372 enum { 373 DRM_LIST_NONE = 0, 374 DRM_LIST_FREE = 1, 375 DRM_LIST_WAIT = 2, 376 DRM_LIST_PEND = 3, 377 DRM_LIST_PRIO = 4, 378 DRM_LIST_RECLAIM = 5 379 } list; /* Which list we're on */ 380 381 int dev_priv_size; /* Size of buffer private stoarge */ 382 void *dev_private; /* Per-buffer private storage */ 383} drm_buf_t; 384 385typedef struct drm_freelist { 386 int initialized; /* Freelist in use */ 387 atomic_t count; /* Number of free buffers */ 388 drm_buf_t *next; /* End pointer */ 389 390 int low_mark; /* Low water mark */ 391 int high_mark; /* High water mark */ 392} drm_freelist_t; 393 394typedef struct drm_dma_handle { 395 void *vaddr; 396 bus_addr_t busaddr; 397 bus_dma_tag_t tag; 398 bus_dmamap_t map; 399} drm_dma_handle_t; 400 401typedef struct drm_buf_entry { 402 int buf_size; 403 int buf_count; 404 drm_buf_t *buflist; 405 int seg_count; 406 drm_dma_handle_t **seglist; 407 int page_order; 408 409 drm_freelist_t freelist; 410} drm_buf_entry_t; 411 412typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t; 413struct drm_file { 414 TAILQ_ENTRY(drm_file) link; 415 struct drm_device *dev; 416 int authenticated; 417 int master; 418 pid_t pid; 419 uid_t uid; 420 drm_magic_t magic; 421 unsigned long ioctl_count; 422 void *driver_priv; 423}; 424 425typedef struct drm_lock_data { 426 struct drm_hw_lock *hw_lock; /* Hardware lock */ 427 struct drm_file *file_priv; /* Unique identifier of holding process (NULL is kernel)*/ 428 int lock_queue; /* Queue of blocked processes */ 429 unsigned long lock_time; /* Time of last lock in jiffies */ 430} drm_lock_data_t; 431 432/* This structure, in the struct drm_device, is always initialized while the 433 * device 434 * is open. dev->dma_lock protects the incrementing of dev->buf_use, which 435 * when set marks that no further bufs may be allocated until device teardown 436 * occurs (when the last open of the device has closed). The high/low 437 * watermarks of bufs are only touched by the X Server, and thus not 438 * concurrently accessed, so no locking is needed. 439 */ 440typedef struct drm_device_dma { 441 drm_buf_entry_t bufs[DRM_MAX_ORDER+1]; 442 int buf_count; 443 drm_buf_t **buflist; /* Vector of pointers info bufs */ 444 int seg_count; 445 int page_count; 446 unsigned long *pagelist; 447 unsigned long byte_count; 448 enum { 449 _DRM_DMA_USE_AGP = 0x01, 450 _DRM_DMA_USE_SG = 0x02 451 } flags; 452} drm_device_dma_t; 453 454typedef struct drm_agp_mem { 455 void *handle; 456 unsigned long bound; /* address */ 457 int pages; 458 struct drm_agp_mem *prev; 459 struct drm_agp_mem *next; 460} drm_agp_mem_t; 461 462typedef struct drm_agp_head { 463 device_t agpdev; 464 struct agp_info info; 465 const char *chipset; 466 drm_agp_mem_t *memory; 467 unsigned long mode; 468 int enabled; 469 int acquired; 470 unsigned long base; 471 int mtrr; 472 int cant_use_aperture; 473 unsigned long page_mask; 474} drm_agp_head_t; 475 476typedef struct drm_sg_mem { 477 vm_offset_t vaddr; 478 vm_paddr_t *busaddr; 479 vm_pindex_t pages; 480} drm_sg_mem_t; 481 482#define DRM_MAP_HANDLE_BITS (sizeof(void *) == 4 ? 4 : 24) 483#define DRM_MAP_HANDLE_SHIFT (sizeof(void *) * 8 - DRM_MAP_HANDLE_BITS) 484typedef TAILQ_HEAD(drm_map_list, drm_local_map) drm_map_list_t; 485 486typedef struct drm_local_map { 487 unsigned long offset; /* Physical address (0 for SAREA) */ 488 unsigned long size; /* Physical size (bytes) */ 489 enum drm_map_type type; /* Type of memory mapped */ 490 enum drm_map_flags flags; /* Flags */ 491 void *handle; /* User-space: "Handle" to pass to mmap */ 492 /* Kernel-space: kernel-virtual address */ 493 int mtrr; /* Boolean: MTRR used */ 494 /* Private data */ 495 int rid; /* PCI resource ID for bus_space */ 496 void *virtual; /* Kernel-space: kernel-virtual address */ 497 struct resource *bsr; 498 bus_space_tag_t bst; 499 bus_space_handle_t bsh; 500 drm_dma_handle_t *dmah; 501 TAILQ_ENTRY(drm_local_map) link; 502} drm_local_map_t; 503 504struct drm_vblank_info { 505 wait_queue_head_t queue; /* vblank wait queue */ 506 atomic_t count; /* number of VBLANK interrupts */ 507 /* (driver must alloc the right number of counters) */ 508 atomic_t refcount; /* number of users of vblank interrupts */ 509 u32 last; /* protected by dev->vbl_lock, used */ 510 /* for wraparound handling */ 511 int enabled; /* so we don't call enable more than */ 512 /* once per disable */ 513 int inmodeset; /* Display driver is setting mode */ 514}; 515 516/* location of GART table */ 517#define DRM_ATI_GART_MAIN 1 518#define DRM_ATI_GART_FB 2 519 520#define DRM_ATI_GART_PCI 1 521#define DRM_ATI_GART_PCIE 2 522#define DRM_ATI_GART_IGP 3 523 524struct drm_ati_pcigart_info { 525 int gart_table_location; 526 int gart_reg_if; 527 void *addr; 528 dma_addr_t bus_addr; 529 dma_addr_t table_mask; 530 dma_addr_t member_mask; 531 struct drm_dma_handle *table_handle; 532 drm_local_map_t mapping; 533 int table_size; 534 struct drm_dma_handle *dmah; /* handle for ATI PCIGART table */ 535}; 536 537#ifndef DMA_BIT_MASK 538#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : (1ULL<<(n)) - 1) 539#endif 540 541#define upper_32_bits(n) ((u32)(((n) >> 16) >> 16)) 542 543struct drm_driver_info { 544 int (*load)(struct drm_device *, unsigned long flags); 545 int (*firstopen)(struct drm_device *); 546 int (*open)(struct drm_device *, struct drm_file *); 547 void (*preclose)(struct drm_device *, struct drm_file *file_priv); 548 void (*postclose)(struct drm_device *, struct drm_file *); 549 void (*lastclose)(struct drm_device *); 550 int (*unload)(struct drm_device *); 551 void (*reclaim_buffers_locked)(struct drm_device *, 552 struct drm_file *file_priv); 553 int (*dma_ioctl)(struct drm_device *dev, void *data, 554 struct drm_file *file_priv); 555 void (*dma_ready)(struct drm_device *); 556 int (*dma_quiescent)(struct drm_device *); 557 int (*dma_flush_block_and_flush)(struct drm_device *, int context, 558 enum drm_lock_flags flags); 559 int (*dma_flush_unblock)(struct drm_device *, int context, 560 enum drm_lock_flags flags); 561 int (*context_ctor)(struct drm_device *dev, int context); 562 int (*context_dtor)(struct drm_device *dev, int context); 563 int (*kernel_context_switch)(struct drm_device *dev, int old, 564 int new); 565 int (*kernel_context_switch_unlock)(struct drm_device *dev); 566 void (*irq_preinstall)(struct drm_device *dev); 567 int (*irq_postinstall)(struct drm_device *dev); 568 void (*irq_uninstall)(struct drm_device *dev); 569 void (*irq_handler)(DRM_IRQ_ARGS); 570 u32 (*get_vblank_counter)(struct drm_device *dev, int crtc); 571 int (*enable_vblank)(struct drm_device *dev, int crtc); 572 void (*disable_vblank)(struct drm_device *dev, int crtc); 573 574 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ 575 576 /** 577 * Called by \c drm_device_is_agp. Typically used to determine if a 578 * card is really attached to AGP or not. 579 * 580 * \param dev DRM device handle 581 * 582 * \returns 583 * One of three values is returned depending on whether or not the 584 * card is absolutely \b not AGP (return of 0), absolutely \b is AGP 585 * (return of 1), or may or may not be AGP (return of 2). 586 */ 587 int (*device_is_agp) (struct drm_device * dev); 588 589 drm_ioctl_desc_t *ioctls; 590 int max_ioctl; 591 592 int buf_priv_size; 593 594 int major; 595 int minor; 596 int patchlevel; 597 const char *name; /* Simple driver name */ 598 const char *desc; /* Longer driver name */ 599 const char *date; /* Date of last major changes. */ 600 601 u32 driver_features; 602}; 603 604/* Length for the array of resource pointers for drm_get_resource_*. */ 605#define DRM_MAX_PCI_RESOURCE 6 606 607/** 608 * DRM device functions structure 609 */ 610struct drm_device { 611 struct drm_driver_info *driver; 612 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ 613 614 u_int16_t pci_device; /* PCI device id */ 615 u_int16_t pci_vendor; /* PCI vendor id */ 616 617 char *unique; /* Unique identifier: e.g., busid */ 618 int unique_len; /* Length of unique field */ 619 device_t device; /* Device instance from newbus */ 620 struct cdev *devnode; /* Device number for mknod */ 621 int if_version; /* Highest interface version set */ 622 623 int flags; /* Flags to open(2) */ 624 625 /* Locks */ 626 struct mtx vbl_lock; /* protects vblank operations */ 627 struct mtx dma_lock; /* protects dev->dma */ 628 struct mtx irq_lock; /* protects irq condition checks */ 629 struct mtx dev_lock; /* protects everything else */ 630 DRM_SPINTYPE drw_lock; 631 632 /* Usage Counters */ 633 int open_count; /* Outstanding files open */ 634 int buf_use; /* Buffers in use -- cannot alloc */ 635 636 /* Performance counters */ 637 unsigned long counters; 638 enum drm_stat_type types[15]; 639 atomic_t counts[15]; 640 641 /* Authentication */ 642 drm_file_list_t files; 643 drm_magic_head_t magiclist[DRM_HASH_SIZE]; 644 645 /* Linked list of mappable regions. Protected by dev_lock */ 646 drm_map_list_t maplist; 647 struct unrhdr *map_unrhdr; 648 649 drm_local_map_t **context_sareas; 650 int max_context; 651 652 drm_lock_data_t lock; /* Information on hardware lock */ 653 654 /* DMA queues (contexts) */ 655 drm_device_dma_t *dma; /* Optional pointer for DMA support */ 656 657 /* Context support */ 658 int irq; /* Interrupt used by board */ 659 int irq_enabled; /* True if the irq handler is enabled */ 660 int msi_enabled; /* MSI enabled */ 661 int irqrid; /* Interrupt used by board */ 662 struct resource *irqr; /* Resource for interrupt used by board */ 663 void *irqh; /* Handle from bus_setup_intr */ 664 665 /* Storage of resource pointers for drm_get_resource_* */ 666 struct resource *pcir[DRM_MAX_PCI_RESOURCE]; 667 int pcirid[DRM_MAX_PCI_RESOURCE]; 668 669 int pci_domain; 670 int pci_bus; 671 int pci_slot; 672 int pci_func; 673 674 atomic_t context_flag; /* Context swapping flag */ 675 int last_context; /* Last current context */ 676 677 int vblank_disable_allowed; 678 struct callout vblank_disable_timer; 679 u32 max_vblank_count; /* size of vblank counter register */ 680 struct drm_vblank_info *vblank; /* per crtc vblank info */ 681 int num_crtcs; 682 683 struct sigio *buf_sigio; /* Processes waiting for SIGIO */ 684 685 /* Sysctl support */ 686 struct drm_sysctl_info *sysctl; 687 688 drm_agp_head_t *agp; 689 drm_sg_mem_t *sg; /* Scatter gather memory */ 690 atomic_t *ctx_bitmap; 691 void *dev_private; 692 unsigned int agp_buffer_token; 693 drm_local_map_t *agp_buffer_map; 694 695 struct unrhdr *drw_unrhdr; 696 /* RB tree of drawable infos */ 697 RB_HEAD(drawable_tree, bsd_drm_drawable_info) drw_head; 698}; 699 700static __inline__ int drm_core_check_feature(struct drm_device *dev, 701 int feature) 702{ 703 return ((dev->driver->driver_features & feature) ? 1 : 0); 704} 705 706#if __OS_HAS_AGP 707static inline int drm_core_has_AGP(struct drm_device *dev) 708{ 709 return drm_core_check_feature(dev, DRIVER_USE_AGP); 710} 711#else 712#define drm_core_has_AGP(dev) (0) 713#endif 714 715extern int drm_debug_flag; 716 717/* Device setup support (drm_drv.c) */ 718int drm_probe(device_t kdev, drm_pci_id_list_t *idlist); 719int drm_attach(device_t kdev, drm_pci_id_list_t *idlist); 720void drm_close(void *data); 721int drm_detach(device_t kdev); 722d_ioctl_t drm_ioctl; 723d_open_t drm_open; 724d_read_t drm_read; 725d_poll_t drm_poll; 726d_mmap_t drm_mmap; 727extern drm_local_map_t *drm_getsarea(struct drm_device *dev); 728 729/* File operations helpers (drm_fops.c) */ 730extern int drm_open_helper(struct cdev *kdev, int flags, int fmt, 731 DRM_STRUCTPROC *p, 732 struct drm_device *dev); 733 734/* Memory management support (drm_memory.c) */ 735void drm_mem_init(void); 736void drm_mem_uninit(void); 737void *drm_ioremap_wc(struct drm_device *dev, drm_local_map_t *map); 738void *drm_ioremap(struct drm_device *dev, drm_local_map_t *map); 739void drm_ioremapfree(drm_local_map_t *map); 740int drm_mtrr_add(unsigned long offset, size_t size, int flags); 741int drm_mtrr_del(int handle, unsigned long offset, size_t size, int flags); 742 743int drm_context_switch(struct drm_device *dev, int old, int new); 744int drm_context_switch_complete(struct drm_device *dev, int new); 745 746int drm_ctxbitmap_init(struct drm_device *dev); 747void drm_ctxbitmap_cleanup(struct drm_device *dev); 748void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle); 749int drm_ctxbitmap_next(struct drm_device *dev); 750 751/* Locking IOCTL support (drm_lock.c) */ 752int drm_lock_take(struct drm_lock_data *lock_data, 753 unsigned int context); 754int drm_lock_transfer(struct drm_lock_data *lock_data, 755 unsigned int context); 756int drm_lock_free(struct drm_lock_data *lock_data, 757 unsigned int context); 758 759/* Buffer management support (drm_bufs.c) */ 760unsigned long drm_get_resource_start(struct drm_device *dev, 761 unsigned int resource); 762unsigned long drm_get_resource_len(struct drm_device *dev, 763 unsigned int resource); 764void drm_rmmap(struct drm_device *dev, drm_local_map_t *map); 765int drm_order(unsigned long size); 766int drm_addmap(struct drm_device *dev, unsigned long offset, 767 unsigned long size, 768 enum drm_map_type type, enum drm_map_flags flags, 769 drm_local_map_t **map_ptr); 770int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc *request); 771int drm_addbufs_sg(struct drm_device *dev, struct drm_buf_desc *request); 772int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc *request); 773 774/* DMA support (drm_dma.c) */ 775int drm_dma_setup(struct drm_device *dev); 776void drm_dma_takedown(struct drm_device *dev); 777void drm_free_buffer(struct drm_device *dev, drm_buf_t *buf); 778void drm_reclaim_buffers(struct drm_device *dev, struct drm_file *file_priv); 779#define drm_core_reclaim_buffers drm_reclaim_buffers 780 781/* IRQ support (drm_irq.c) */ 782int drm_irq_install(struct drm_device *dev); 783int drm_irq_uninstall(struct drm_device *dev); 784irqreturn_t drm_irq_handler(DRM_IRQ_ARGS); 785void drm_driver_irq_preinstall(struct drm_device *dev); 786void drm_driver_irq_postinstall(struct drm_device *dev); 787void drm_driver_irq_uninstall(struct drm_device *dev); 788void drm_handle_vblank(struct drm_device *dev, int crtc); 789u32 drm_vblank_count(struct drm_device *dev, int crtc); 790int drm_vblank_get(struct drm_device *dev, int crtc); 791void drm_vblank_put(struct drm_device *dev, int crtc); 792void drm_vblank_cleanup(struct drm_device *dev); 793int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq); 794int drm_vblank_init(struct drm_device *dev, int num_crtcs); 795int drm_modeset_ctl(struct drm_device *dev, void *data, 796 struct drm_file *file_priv); 797 798/* AGP/PCI Express/GART support (drm_agpsupport.c) */ 799int drm_device_is_agp(struct drm_device *dev); 800int drm_device_is_pcie(struct drm_device *dev); 801drm_agp_head_t *drm_agp_init(void); 802int drm_agp_acquire(struct drm_device *dev); 803int drm_agp_release(struct drm_device *dev); 804int drm_agp_info(struct drm_device * dev, struct drm_agp_info *info); 805int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode); 806void *drm_agp_allocate_memory(size_t pages, u32 type); 807int drm_agp_free_memory(void *handle); 808int drm_agp_bind_memory(void *handle, off_t start); 809int drm_agp_unbind_memory(void *handle); 810int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request); 811int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request); 812int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request); 813int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request); 814 815/* Scatter Gather Support (drm_scatter.c) */ 816void drm_sg_cleanup(drm_sg_mem_t *entry); 817int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request); 818 819/* sysctl support (drm_sysctl.h) */ 820extern int drm_sysctl_init(struct drm_device *dev); 821extern int drm_sysctl_cleanup(struct drm_device *dev); 822 823/* ATI PCIGART support (ati_pcigart.c) */ 824int drm_ati_pcigart_init(struct drm_device *dev, 825 struct drm_ati_pcigart_info *gart_info); 826int drm_ati_pcigart_cleanup(struct drm_device *dev, 827 struct drm_ati_pcigart_info *gart_info); 828 829/* Locking IOCTL support (drm_drv.c) */ 830int drm_lock(struct drm_device *dev, void *data, 831 struct drm_file *file_priv); 832int drm_unlock(struct drm_device *dev, void *data, 833 struct drm_file *file_priv); 834int drm_version(struct drm_device *dev, void *data, 835 struct drm_file *file_priv); 836int drm_setversion(struct drm_device *dev, void *data, 837 struct drm_file *file_priv); 838 839/* Misc. IOCTL support (drm_ioctl.c) */ 840int drm_irq_by_busid(struct drm_device *dev, void *data, 841 struct drm_file *file_priv); 842int drm_getunique(struct drm_device *dev, void *data, 843 struct drm_file *file_priv); 844int drm_setunique(struct drm_device *dev, void *data, 845 struct drm_file *file_priv); 846int drm_getmap(struct drm_device *dev, void *data, 847 struct drm_file *file_priv); 848int drm_getclient(struct drm_device *dev, void *data, 849 struct drm_file *file_priv); 850int drm_getstats(struct drm_device *dev, void *data, 851 struct drm_file *file_priv); 852int drm_noop(struct drm_device *dev, void *data, 853 struct drm_file *file_priv); 854 855/* Context IOCTL support (drm_context.c) */ 856int drm_resctx(struct drm_device *dev, void *data, 857 struct drm_file *file_priv); 858int drm_addctx(struct drm_device *dev, void *data, 859 struct drm_file *file_priv); 860int drm_modctx(struct drm_device *dev, void *data, 861 struct drm_file *file_priv); 862int drm_getctx(struct drm_device *dev, void *data, 863 struct drm_file *file_priv); 864int drm_switchctx(struct drm_device *dev, void *data, 865 struct drm_file *file_priv); 866int drm_newctx(struct drm_device *dev, void *data, 867 struct drm_file *file_priv); 868int drm_rmctx(struct drm_device *dev, void *data, 869 struct drm_file *file_priv); 870int drm_setsareactx(struct drm_device *dev, void *data, 871 struct drm_file *file_priv); 872int drm_getsareactx(struct drm_device *dev, void *data, 873 struct drm_file *file_priv); 874 875/* Drawable IOCTL support (drm_drawable.c) */ 876int drm_adddraw(struct drm_device *dev, void *data, 877 struct drm_file *file_priv); 878int drm_rmdraw(struct drm_device *dev, void *data, 879 struct drm_file *file_priv); 880int drm_update_draw(struct drm_device *dev, void *data, 881 struct drm_file *file_priv); 882struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev, 883 int handle); 884 885/* Drawable support (drm_drawable.c) */ 886void drm_drawable_free_all(struct drm_device *dev); 887 888/* Authentication IOCTL support (drm_auth.c) */ 889int drm_getmagic(struct drm_device *dev, void *data, 890 struct drm_file *file_priv); 891int drm_authmagic(struct drm_device *dev, void *data, 892 struct drm_file *file_priv); 893 894/* Buffer management support (drm_bufs.c) */ 895int drm_addmap_ioctl(struct drm_device *dev, void *data, 896 struct drm_file *file_priv); 897int drm_rmmap_ioctl(struct drm_device *dev, void *data, 898 struct drm_file *file_priv); 899int drm_addbufs(struct drm_device *dev, void *data, 900 struct drm_file *file_priv); 901int drm_infobufs(struct drm_device *dev, void *data, 902 struct drm_file *file_priv); 903int drm_markbufs(struct drm_device *dev, void *data, 904 struct drm_file *file_priv); 905int drm_freebufs(struct drm_device *dev, void *data, 906 struct drm_file *file_priv); 907int drm_mapbufs(struct drm_device *dev, void *data, 908 struct drm_file *file_priv); 909 910/* DMA support (drm_dma.c) */ 911int drm_dma(struct drm_device *dev, void *data, struct drm_file *file_priv); 912 913/* IRQ support (drm_irq.c) */ 914int drm_control(struct drm_device *dev, void *data, 915 struct drm_file *file_priv); 916int drm_wait_vblank(struct drm_device *dev, void *data, 917 struct drm_file *file_priv); 918 919/* AGP/GART support (drm_agpsupport.c) */ 920int drm_agp_acquire_ioctl(struct drm_device *dev, void *data, 921 struct drm_file *file_priv); 922int drm_agp_release_ioctl(struct drm_device *dev, void *data, 923 struct drm_file *file_priv); 924int drm_agp_enable_ioctl(struct drm_device *dev, void *data, 925 struct drm_file *file_priv); 926int drm_agp_info_ioctl(struct drm_device *dev, void *data, 927 struct drm_file *file_priv); 928int drm_agp_alloc_ioctl(struct drm_device *dev, void *data, 929 struct drm_file *file_priv); 930int drm_agp_free_ioctl(struct drm_device *dev, void *data, 931 struct drm_file *file_priv); 932int drm_agp_unbind_ioctl(struct drm_device *dev, void *data, 933 struct drm_file *file_priv); 934int drm_agp_bind_ioctl(struct drm_device *dev, void *data, 935 struct drm_file *file_priv); 936 937/* Scatter Gather Support (drm_scatter.c) */ 938int drm_sg_alloc_ioctl(struct drm_device *dev, void *data, 939 struct drm_file *file_priv); 940int drm_sg_free(struct drm_device *dev, void *data, 941 struct drm_file *file_priv); 942 943/* consistent PCI memory functions (drm_pci.c) */ 944drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size, 945 size_t align, dma_addr_t maxaddr); 946void drm_pci_free(struct drm_device *dev, drm_dma_handle_t *dmah); 947 948/* Inline replacements for drm_alloc and friends */ 949static __inline__ void * 950drm_alloc(size_t size, struct malloc_type *area) 951{ 952 return malloc(size, area, M_NOWAIT); 953} 954 955static __inline__ void * 956drm_calloc(size_t nmemb, size_t size, struct malloc_type *area) 957{ 958 return malloc(size * nmemb, area, M_NOWAIT | M_ZERO); 959} 960 961static __inline__ void * 962drm_realloc(void *oldpt, size_t oldsize, size_t size, 963 struct malloc_type *area) 964{ 965 return reallocf(oldpt, size, area, M_NOWAIT); 966} 967 968static __inline__ void 969drm_free(void *pt, size_t size, struct malloc_type *area) 970{ 971 free(pt, area); 972} 973 974/* Inline replacements for DRM_IOREMAP macros */ 975static __inline__ void 976drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev) 977{ 978 map->virtual = drm_ioremap_wc(dev, map); 979} 980static __inline__ void 981drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev) 982{ 983 map->virtual = drm_ioremap(dev, map); 984} 985static __inline__ void 986drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev) 987{ 988 if ( map->virtual && map->size ) 989 drm_ioremapfree(map); 990} 991 992static __inline__ struct drm_local_map * 993drm_core_findmap(struct drm_device *dev, unsigned long offset) 994{ 995 drm_local_map_t *map; 996 997 DRM_SPINLOCK_ASSERT(&dev->dev_lock); 998 TAILQ_FOREACH(map, &dev->maplist, link) { 999 if (offset == (unsigned long)map->handle) 1000 return map; 1001 } 1002 return NULL; 1003} 1004 1005static __inline__ void drm_core_dropmap(struct drm_map *map) 1006{ 1007} 1008 1009#endif /* __KERNEL__ */ 1010#endif /* _DRM_P_H_ */ 1011