drmP.h revision 207156
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: head/sys/dev/drm/drmP.h 207156 2010-04-24 18:13:12Z rnoland $"); 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#if __FreeBSD_version >= 700000 55#include <sys/priv.h> 56#endif 57#include <sys/proc.h> 58#include <sys/lock.h> 59#include <sys/fcntl.h> 60#include <sys/uio.h> 61#include <sys/filio.h> 62#include <sys/sysctl.h> 63#include <sys/bus.h> 64#include <sys/queue.h> 65#include <sys/signalvar.h> 66#include <sys/poll.h> 67#include <sys/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#include <machine/specialreg.h> 84#include <machine/sysarch.h> 85#include <sys/endian.h> 86#include <sys/mman.h> 87#include <sys/rman.h> 88#include <sys/memrange.h> 89#if __FreeBSD_version >= 800004 90#include <dev/agp/agpvar.h> 91#else /* __FreeBSD_version >= 800004 */ 92#include <pci/agpvar.h> 93#endif /* __FreeBSD_version >= 800004 */ 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 0 176#define DRM_DEV_GID 0 177 178#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#if __FreeBSD_version >= 700000 223#define DRM_SUSER(p) (priv_check(p, PRIV_DRIVER) == 0) 224#else 225#define DRM_SUSER(p) (suser(p) == 0) 226#endif 227#define DRM_AGP_FIND_DEVICE() agp_find_device() 228#define DRM_MTRR_WC MDF_WRITECOMBINE 229#define jiffies ticks 230 231typedef vm_paddr_t dma_addr_t; 232typedef u_int64_t u64; 233typedef u_int32_t u32; 234typedef u_int16_t u16; 235typedef u_int8_t u8; 236 237/* DRM_READMEMORYBARRIER() prevents reordering of reads. 238 * DRM_WRITEMEMORYBARRIER() prevents reordering of writes. 239 * DRM_MEMORYBARRIER() prevents reordering of reads and writes. 240 */ 241#define DRM_READMEMORYBARRIER() rmb() 242#define DRM_WRITEMEMORYBARRIER() wmb() 243#define DRM_MEMORYBARRIER() mb() 244 245#define DRM_READ8(map, offset) \ 246 *(volatile u_int8_t *)(((vm_offset_t)(map)->virtual) + \ 247 (vm_offset_t)(offset)) 248#define DRM_READ16(map, offset) \ 249 *(volatile u_int16_t *)(((vm_offset_t)(map)->virtual) + \ 250 (vm_offset_t)(offset)) 251#define DRM_READ32(map, offset) \ 252 *(volatile u_int32_t *)(((vm_offset_t)(map)->virtual) + \ 253 (vm_offset_t)(offset)) 254#define DRM_WRITE8(map, offset, val) \ 255 *(volatile u_int8_t *)(((vm_offset_t)(map)->virtual) + \ 256 (vm_offset_t)(offset)) = val 257#define DRM_WRITE16(map, offset, val) \ 258 *(volatile u_int16_t *)(((vm_offset_t)(map)->virtual) + \ 259 (vm_offset_t)(offset)) = val 260#define DRM_WRITE32(map, offset, val) \ 261 *(volatile u_int32_t *)(((vm_offset_t)(map)->virtual) + \ 262 (vm_offset_t)(offset)) = val 263 264#define DRM_VERIFYAREA_READ( uaddr, size ) \ 265 (!useracc(__DECONST(caddr_t, uaddr), size, VM_PROT_READ)) 266 267#define DRM_COPY_TO_USER(user, kern, size) \ 268 copyout(kern, user, size) 269#define DRM_COPY_FROM_USER(kern, user, size) \ 270 copyin(user, kern, size) 271#define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \ 272 copyin(arg2, arg1, arg3) 273#define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \ 274 copyout(arg2, arg1, arg3) 275#define DRM_GET_USER_UNCHECKED(val, uaddr) \ 276 ((val) = fuword32(uaddr), 0) 277 278#define cpu_to_le32(x) htole32(x) 279#define le32_to_cpu(x) le32toh(x) 280 281#define DRM_HZ hz 282#define DRM_UDELAY(udelay) DELAY(udelay) 283#define DRM_TIME_SLICE (hz/20) /* Time slice for GLXContexts */ 284 285#define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \ 286 (_map) = (_dev)->context_sareas[_ctx]; \ 287} while(0) 288 289#define LOCK_TEST_WITH_RETURN(dev, file_priv) \ 290do { \ 291 if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \ 292 dev->lock.file_priv != file_priv) { \ 293 DRM_ERROR("%s called without lock held\n", \ 294 __FUNCTION__); \ 295 return EINVAL; \ 296 } \ 297} while (0) 298 299/* Returns -errno to shared code */ 300#define DRM_WAIT_ON( ret, queue, timeout, condition ) \ 301for ( ret = 0 ; !ret && !(condition) ; ) { \ 302 DRM_UNLOCK(); \ 303 mtx_lock(&dev->irq_lock); \ 304 if (!(condition)) \ 305 ret = -mtx_sleep(&(queue), &dev->irq_lock, \ 306 PCATCH, "drmwtq", (timeout)); \ 307 mtx_unlock(&dev->irq_lock); \ 308 DRM_LOCK(); \ 309} 310 311#define DRM_ERROR(fmt, ...) \ 312 printf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt, \ 313 DRM_CURRENTPID, __func__ , ##__VA_ARGS__) 314 315#define DRM_INFO(fmt, ...) printf("info: [" DRM_NAME "] " fmt , ##__VA_ARGS__) 316 317#define DRM_DEBUG(fmt, ...) do { \ 318 if (drm_debug_flag) \ 319 printf("[" DRM_NAME ":pid%d:%s] " fmt, DRM_CURRENTPID, \ 320 __func__ , ##__VA_ARGS__); \ 321} while (0) 322 323typedef struct drm_pci_id_list 324{ 325 int vendor; 326 int device; 327 long driver_private; 328 char *name; 329} drm_pci_id_list_t; 330 331struct drm_msi_blacklist_entry 332{ 333 int vendor; 334 int device; 335}; 336 337#define DRM_AUTH 0x1 338#define DRM_MASTER 0x2 339#define DRM_ROOT_ONLY 0x4 340typedef struct drm_ioctl_desc { 341 unsigned long cmd; 342 int (*func)(struct drm_device *dev, void *data, 343 struct drm_file *file_priv); 344 int flags; 345} drm_ioctl_desc_t; 346/** 347 * Creates a driver or general drm_ioctl_desc array entry for the given 348 * ioctl, for use by drm_ioctl(). 349 */ 350#define DRM_IOCTL_DEF(ioctl, func, flags) \ 351 [DRM_IOCTL_NR(ioctl)] = {ioctl, func, flags} 352 353typedef struct drm_magic_entry { 354 drm_magic_t magic; 355 struct drm_file *priv; 356 struct drm_magic_entry *next; 357} drm_magic_entry_t; 358 359typedef struct drm_magic_head { 360 struct drm_magic_entry *head; 361 struct drm_magic_entry *tail; 362} drm_magic_head_t; 363 364typedef struct drm_buf { 365 int idx; /* Index into master buflist */ 366 int total; /* Buffer size */ 367 int order; /* log-base-2(total) */ 368 int used; /* Amount of buffer in use (for DMA) */ 369 unsigned long offset; /* Byte offset (used internally) */ 370 void *address; /* Address of buffer */ 371 unsigned long bus_address; /* Bus address of buffer */ 372 struct drm_buf *next; /* Kernel-only: used for free list */ 373 __volatile__ int pending; /* On hardware DMA queue */ 374 struct drm_file *file_priv; /* Unique identifier of holding process */ 375 int context; /* Kernel queue for this buffer */ 376 enum { 377 DRM_LIST_NONE = 0, 378 DRM_LIST_FREE = 1, 379 DRM_LIST_WAIT = 2, 380 DRM_LIST_PEND = 3, 381 DRM_LIST_PRIO = 4, 382 DRM_LIST_RECLAIM = 5 383 } list; /* Which list we're on */ 384 385 int dev_priv_size; /* Size of buffer private stoarge */ 386 void *dev_private; /* Per-buffer private storage */ 387} drm_buf_t; 388 389typedef struct drm_freelist { 390 int initialized; /* Freelist in use */ 391 atomic_t count; /* Number of free buffers */ 392 drm_buf_t *next; /* End pointer */ 393 394 int low_mark; /* Low water mark */ 395 int high_mark; /* High water mark */ 396} drm_freelist_t; 397 398typedef struct drm_dma_handle { 399 void *vaddr; 400 bus_addr_t busaddr; 401 bus_dma_tag_t tag; 402 bus_dmamap_t map; 403} drm_dma_handle_t; 404 405typedef struct drm_buf_entry { 406 int buf_size; 407 int buf_count; 408 drm_buf_t *buflist; 409 int seg_count; 410 drm_dma_handle_t **seglist; 411 int page_order; 412 413 drm_freelist_t freelist; 414} drm_buf_entry_t; 415 416typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t; 417struct drm_file { 418 TAILQ_ENTRY(drm_file) link; 419 struct drm_device *dev; 420 int authenticated; 421 int master; 422 pid_t pid; 423 uid_t uid; 424 drm_magic_t magic; 425 unsigned long ioctl_count; 426 void *driver_priv; 427}; 428 429typedef struct drm_lock_data { 430 struct drm_hw_lock *hw_lock; /* Hardware lock */ 431 struct drm_file *file_priv; /* Unique identifier of holding process (NULL is kernel)*/ 432 int lock_queue; /* Queue of blocked processes */ 433 unsigned long lock_time; /* Time of last lock in jiffies */ 434} drm_lock_data_t; 435 436/* This structure, in the struct drm_device, is always initialized while the 437 * device 438 * is open. dev->dma_lock protects the incrementing of dev->buf_use, which 439 * when set marks that no further bufs may be allocated until device teardown 440 * occurs (when the last open of the device has closed). The high/low 441 * watermarks of bufs are only touched by the X Server, and thus not 442 * concurrently accessed, so no locking is needed. 443 */ 444typedef struct drm_device_dma { 445 drm_buf_entry_t bufs[DRM_MAX_ORDER+1]; 446 int buf_count; 447 drm_buf_t **buflist; /* Vector of pointers info bufs */ 448 int seg_count; 449 int page_count; 450 unsigned long *pagelist; 451 unsigned long byte_count; 452 enum { 453 _DRM_DMA_USE_AGP = 0x01, 454 _DRM_DMA_USE_SG = 0x02 455 } flags; 456} drm_device_dma_t; 457 458typedef struct drm_agp_mem { 459 void *handle; 460 unsigned long bound; /* address */ 461 int pages; 462 struct drm_agp_mem *prev; 463 struct drm_agp_mem *next; 464} drm_agp_mem_t; 465 466typedef struct drm_agp_head { 467 device_t agpdev; 468 struct agp_info info; 469 const char *chipset; 470 drm_agp_mem_t *memory; 471 unsigned long mode; 472 int enabled; 473 int acquired; 474 unsigned long base; 475 int mtrr; 476 int cant_use_aperture; 477 unsigned long page_mask; 478} drm_agp_head_t; 479 480typedef struct drm_sg_mem { 481 vm_offset_t vaddr; 482 vm_paddr_t *busaddr; 483 vm_pindex_t pages; 484} drm_sg_mem_t; 485 486#define DRM_MAP_HANDLE_BITS (sizeof(void *) == 4 ? 4 : 24) 487#define DRM_MAP_HANDLE_SHIFT (sizeof(void *) * 8 - DRM_MAP_HANDLE_BITS) 488typedef TAILQ_HEAD(drm_map_list, drm_local_map) drm_map_list_t; 489 490typedef struct drm_local_map { 491 unsigned long offset; /* Physical address (0 for SAREA) */ 492 unsigned long size; /* Physical size (bytes) */ 493 enum drm_map_type type; /* Type of memory mapped */ 494 enum drm_map_flags flags; /* Flags */ 495 void *handle; /* User-space: "Handle" to pass to mmap */ 496 /* Kernel-space: kernel-virtual address */ 497 int mtrr; /* Boolean: MTRR used */ 498 /* Private data */ 499 int rid; /* PCI resource ID for bus_space */ 500 void *virtual; /* Kernel-space: kernel-virtual address */ 501 struct resource *bsr; 502 bus_space_tag_t bst; 503 bus_space_handle_t bsh; 504 drm_dma_handle_t *dmah; 505 TAILQ_ENTRY(drm_local_map) link; 506} drm_local_map_t; 507 508struct drm_vblank_info { 509 wait_queue_head_t queue; /* vblank wait queue */ 510 atomic_t count; /* number of VBLANK interrupts */ 511 /* (driver must alloc the right number of counters) */ 512 atomic_t refcount; /* number of users of vblank interrupts */ 513 u32 last; /* protected by dev->vbl_lock, used */ 514 /* for wraparound handling */ 515 int enabled; /* so we don't call enable more than */ 516 /* once per disable */ 517 int inmodeset; /* Display driver is setting mode */ 518}; 519 520/* location of GART table */ 521#define DRM_ATI_GART_MAIN 1 522#define DRM_ATI_GART_FB 2 523 524#define DRM_ATI_GART_PCI 1 525#define DRM_ATI_GART_PCIE 2 526#define DRM_ATI_GART_IGP 3 527 528struct drm_ati_pcigart_info { 529 int gart_table_location; 530 int gart_reg_if; 531 void *addr; 532 dma_addr_t bus_addr; 533 dma_addr_t table_mask; 534 dma_addr_t member_mask; 535 struct drm_dma_handle *table_handle; 536 drm_local_map_t mapping; 537 int table_size; 538 struct drm_dma_handle *dmah; /* handle for ATI PCIGART table */ 539}; 540 541#ifndef DMA_BIT_MASK 542#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : (1ULL<<(n)) - 1) 543#endif 544 545#define upper_32_bits(n) ((u32)(((n) >> 16) >> 16)) 546 547struct drm_driver_info { 548 int (*load)(struct drm_device *, unsigned long flags); 549 int (*firstopen)(struct drm_device *); 550 int (*open)(struct drm_device *, struct drm_file *); 551 void (*preclose)(struct drm_device *, struct drm_file *file_priv); 552 void (*postclose)(struct drm_device *, struct drm_file *); 553 void (*lastclose)(struct drm_device *); 554 int (*unload)(struct drm_device *); 555 void (*reclaim_buffers_locked)(struct drm_device *, 556 struct drm_file *file_priv); 557 int (*dma_ioctl)(struct drm_device *dev, void *data, 558 struct drm_file *file_priv); 559 void (*dma_ready)(struct drm_device *); 560 int (*dma_quiescent)(struct drm_device *); 561 int (*dma_flush_block_and_flush)(struct drm_device *, int context, 562 enum drm_lock_flags flags); 563 int (*dma_flush_unblock)(struct drm_device *, int context, 564 enum drm_lock_flags flags); 565 int (*context_ctor)(struct drm_device *dev, int context); 566 int (*context_dtor)(struct drm_device *dev, int context); 567 int (*kernel_context_switch)(struct drm_device *dev, int old, 568 int new); 569 int (*kernel_context_switch_unlock)(struct drm_device *dev); 570 void (*irq_preinstall)(struct drm_device *dev); 571 int (*irq_postinstall)(struct drm_device *dev); 572 void (*irq_uninstall)(struct drm_device *dev); 573 void (*irq_handler)(DRM_IRQ_ARGS); 574 u32 (*get_vblank_counter)(struct drm_device *dev, int crtc); 575 int (*enable_vblank)(struct drm_device *dev, int crtc); 576 void (*disable_vblank)(struct drm_device *dev, int crtc); 577 578 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ 579 580 /** 581 * Called by \c drm_device_is_agp. Typically used to determine if a 582 * card is really attached to AGP or not. 583 * 584 * \param dev DRM device handle 585 * 586 * \returns 587 * One of three values is returned depending on whether or not the 588 * card is absolutely \b not AGP (return of 0), absolutely \b is AGP 589 * (return of 1), or may or may not be AGP (return of 2). 590 */ 591 int (*device_is_agp) (struct drm_device * dev); 592 593 drm_ioctl_desc_t *ioctls; 594 int max_ioctl; 595 596 int buf_priv_size; 597 598 int major; 599 int minor; 600 int patchlevel; 601 const char *name; /* Simple driver name */ 602 const char *desc; /* Longer driver name */ 603 const char *date; /* Date of last major changes. */ 604 605 u32 driver_features; 606}; 607 608/* Length for the array of resource pointers for drm_get_resource_*. */ 609#define DRM_MAX_PCI_RESOURCE 6 610 611/** 612 * DRM device functions structure 613 */ 614struct drm_device { 615 struct drm_driver_info *driver; 616 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ 617 618 u_int16_t pci_device; /* PCI device id */ 619 u_int16_t pci_vendor; /* PCI vendor id */ 620 621 char *unique; /* Unique identifier: e.g., busid */ 622 int unique_len; /* Length of unique field */ 623 device_t device; /* Device instance from newbus */ 624 struct cdev *devnode; /* Device number for mknod */ 625 int if_version; /* Highest interface version set */ 626 627 int flags; /* Flags to open(2) */ 628 629 /* Locks */ 630 struct mtx vbl_lock; /* protects vblank operations */ 631 struct mtx dma_lock; /* protects dev->dma */ 632 struct mtx irq_lock; /* protects irq condition checks */ 633 struct mtx dev_lock; /* protects everything else */ 634 DRM_SPINTYPE drw_lock; 635 636 /* Usage Counters */ 637 int open_count; /* Outstanding files open */ 638 int buf_use; /* Buffers in use -- cannot alloc */ 639 640 /* Performance counters */ 641 unsigned long counters; 642 enum drm_stat_type types[15]; 643 atomic_t counts[15]; 644 645 /* Authentication */ 646 drm_file_list_t files; 647 drm_magic_head_t magiclist[DRM_HASH_SIZE]; 648 649 /* Linked list of mappable regions. Protected by dev_lock */ 650 drm_map_list_t maplist; 651 struct unrhdr *map_unrhdr; 652 653 drm_local_map_t **context_sareas; 654 int max_context; 655 656 drm_lock_data_t lock; /* Information on hardware lock */ 657 658 /* DMA queues (contexts) */ 659 drm_device_dma_t *dma; /* Optional pointer for DMA support */ 660 661 /* Context support */ 662 int irq; /* Interrupt used by board */ 663 int irq_enabled; /* True if the irq handler is enabled */ 664 int msi_enabled; /* MSI enabled */ 665 int irqrid; /* Interrupt used by board */ 666 struct resource *irqr; /* Resource for interrupt used by board */ 667 void *irqh; /* Handle from bus_setup_intr */ 668 669 /* Storage of resource pointers for drm_get_resource_* */ 670 struct resource *pcir[DRM_MAX_PCI_RESOURCE]; 671 int pcirid[DRM_MAX_PCI_RESOURCE]; 672 673 int pci_domain; 674 int pci_bus; 675 int pci_slot; 676 int pci_func; 677 678 atomic_t context_flag; /* Context swapping flag */ 679 int last_context; /* Last current context */ 680 681 int vblank_disable_allowed; 682 struct callout vblank_disable_timer; 683 u32 max_vblank_count; /* size of vblank counter register */ 684 struct drm_vblank_info *vblank; /* per crtc vblank info */ 685 int num_crtcs; 686 687 struct sigio *buf_sigio; /* Processes waiting for SIGIO */ 688 689 /* Sysctl support */ 690 struct drm_sysctl_info *sysctl; 691 692 drm_agp_head_t *agp; 693 drm_sg_mem_t *sg; /* Scatter gather memory */ 694 atomic_t *ctx_bitmap; 695 void *dev_private; 696 unsigned int agp_buffer_token; 697 drm_local_map_t *agp_buffer_map; 698 699 struct unrhdr *drw_unrhdr; 700 /* RB tree of drawable infos */ 701 RB_HEAD(drawable_tree, bsd_drm_drawable_info) drw_head; 702}; 703 704static __inline__ int drm_core_check_feature(struct drm_device *dev, 705 int feature) 706{ 707 return ((dev->driver->driver_features & feature) ? 1 : 0); 708} 709 710#if __OS_HAS_AGP 711static inline int drm_core_has_AGP(struct drm_device *dev) 712{ 713 return drm_core_check_feature(dev, DRIVER_USE_AGP); 714} 715#else 716#define drm_core_has_AGP(dev) (0) 717#endif 718 719extern int drm_debug_flag; 720 721/* Device setup support (drm_drv.c) */ 722int drm_probe(device_t kdev, drm_pci_id_list_t *idlist); 723int drm_attach(device_t kdev, drm_pci_id_list_t *idlist); 724void drm_close(void *data); 725int drm_detach(device_t kdev); 726d_ioctl_t drm_ioctl; 727d_open_t drm_open; 728d_read_t drm_read; 729d_poll_t drm_poll; 730d_mmap_t drm_mmap; 731extern drm_local_map_t *drm_getsarea(struct drm_device *dev); 732 733/* File operations helpers (drm_fops.c) */ 734extern int drm_open_helper(struct cdev *kdev, int flags, int fmt, 735 DRM_STRUCTPROC *p, 736 struct drm_device *dev); 737 738/* Memory management support (drm_memory.c) */ 739void drm_mem_init(void); 740void drm_mem_uninit(void); 741void *drm_ioremap_wc(struct drm_device *dev, drm_local_map_t *map); 742void *drm_ioremap(struct drm_device *dev, drm_local_map_t *map); 743void drm_ioremapfree(drm_local_map_t *map); 744int drm_mtrr_add(unsigned long offset, size_t size, int flags); 745int drm_mtrr_del(int handle, unsigned long offset, size_t size, int flags); 746 747int drm_context_switch(struct drm_device *dev, int old, int new); 748int drm_context_switch_complete(struct drm_device *dev, int new); 749 750int drm_ctxbitmap_init(struct drm_device *dev); 751void drm_ctxbitmap_cleanup(struct drm_device *dev); 752void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle); 753int drm_ctxbitmap_next(struct drm_device *dev); 754 755/* Locking IOCTL support (drm_lock.c) */ 756int drm_lock_take(struct drm_lock_data *lock_data, 757 unsigned int context); 758int drm_lock_transfer(struct drm_lock_data *lock_data, 759 unsigned int context); 760int drm_lock_free(struct drm_lock_data *lock_data, 761 unsigned int context); 762 763/* Buffer management support (drm_bufs.c) */ 764unsigned long drm_get_resource_start(struct drm_device *dev, 765 unsigned int resource); 766unsigned long drm_get_resource_len(struct drm_device *dev, 767 unsigned int resource); 768void drm_rmmap(struct drm_device *dev, drm_local_map_t *map); 769int drm_order(unsigned long size); 770int drm_addmap(struct drm_device *dev, unsigned long offset, 771 unsigned long size, 772 enum drm_map_type type, enum drm_map_flags flags, 773 drm_local_map_t **map_ptr); 774int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc *request); 775int drm_addbufs_sg(struct drm_device *dev, struct drm_buf_desc *request); 776int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc *request); 777 778/* DMA support (drm_dma.c) */ 779int drm_dma_setup(struct drm_device *dev); 780void drm_dma_takedown(struct drm_device *dev); 781void drm_free_buffer(struct drm_device *dev, drm_buf_t *buf); 782void drm_reclaim_buffers(struct drm_device *dev, struct drm_file *file_priv); 783#define drm_core_reclaim_buffers drm_reclaim_buffers 784 785/* IRQ support (drm_irq.c) */ 786int drm_irq_install(struct drm_device *dev); 787int drm_irq_uninstall(struct drm_device *dev); 788irqreturn_t drm_irq_handler(DRM_IRQ_ARGS); 789void drm_driver_irq_preinstall(struct drm_device *dev); 790void drm_driver_irq_postinstall(struct drm_device *dev); 791void drm_driver_irq_uninstall(struct drm_device *dev); 792void drm_handle_vblank(struct drm_device *dev, int crtc); 793u32 drm_vblank_count(struct drm_device *dev, int crtc); 794int drm_vblank_get(struct drm_device *dev, int crtc); 795void drm_vblank_put(struct drm_device *dev, int crtc); 796void drm_vblank_cleanup(struct drm_device *dev); 797int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq); 798int drm_vblank_init(struct drm_device *dev, int num_crtcs); 799int drm_modeset_ctl(struct drm_device *dev, void *data, 800 struct drm_file *file_priv); 801 802/* AGP/PCI Express/GART support (drm_agpsupport.c) */ 803int drm_device_is_agp(struct drm_device *dev); 804int drm_device_is_pcie(struct drm_device *dev); 805drm_agp_head_t *drm_agp_init(void); 806int drm_agp_acquire(struct drm_device *dev); 807int drm_agp_release(struct drm_device *dev); 808int drm_agp_info(struct drm_device * dev, struct drm_agp_info *info); 809int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode); 810void *drm_agp_allocate_memory(size_t pages, u32 type); 811int drm_agp_free_memory(void *handle); 812int drm_agp_bind_memory(void *handle, off_t start); 813int drm_agp_unbind_memory(void *handle); 814int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request); 815int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request); 816int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request); 817int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request); 818 819/* Scatter Gather Support (drm_scatter.c) */ 820void drm_sg_cleanup(drm_sg_mem_t *entry); 821int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request); 822 823/* sysctl support (drm_sysctl.h) */ 824extern int drm_sysctl_init(struct drm_device *dev); 825extern int drm_sysctl_cleanup(struct drm_device *dev); 826 827/* ATI PCIGART support (ati_pcigart.c) */ 828int drm_ati_pcigart_init(struct drm_device *dev, 829 struct drm_ati_pcigart_info *gart_info); 830int drm_ati_pcigart_cleanup(struct drm_device *dev, 831 struct drm_ati_pcigart_info *gart_info); 832 833/* Locking IOCTL support (drm_drv.c) */ 834int drm_lock(struct drm_device *dev, void *data, 835 struct drm_file *file_priv); 836int drm_unlock(struct drm_device *dev, void *data, 837 struct drm_file *file_priv); 838int drm_version(struct drm_device *dev, void *data, 839 struct drm_file *file_priv); 840int drm_setversion(struct drm_device *dev, void *data, 841 struct drm_file *file_priv); 842 843/* Misc. IOCTL support (drm_ioctl.c) */ 844int drm_irq_by_busid(struct drm_device *dev, void *data, 845 struct drm_file *file_priv); 846int drm_getunique(struct drm_device *dev, void *data, 847 struct drm_file *file_priv); 848int drm_setunique(struct drm_device *dev, void *data, 849 struct drm_file *file_priv); 850int drm_getmap(struct drm_device *dev, void *data, 851 struct drm_file *file_priv); 852int drm_getclient(struct drm_device *dev, void *data, 853 struct drm_file *file_priv); 854int drm_getstats(struct drm_device *dev, void *data, 855 struct drm_file *file_priv); 856int drm_noop(struct drm_device *dev, void *data, 857 struct drm_file *file_priv); 858 859/* Context IOCTL support (drm_context.c) */ 860int drm_resctx(struct drm_device *dev, void *data, 861 struct drm_file *file_priv); 862int drm_addctx(struct drm_device *dev, void *data, 863 struct drm_file *file_priv); 864int drm_modctx(struct drm_device *dev, void *data, 865 struct drm_file *file_priv); 866int drm_getctx(struct drm_device *dev, void *data, 867 struct drm_file *file_priv); 868int drm_switchctx(struct drm_device *dev, void *data, 869 struct drm_file *file_priv); 870int drm_newctx(struct drm_device *dev, void *data, 871 struct drm_file *file_priv); 872int drm_rmctx(struct drm_device *dev, void *data, 873 struct drm_file *file_priv); 874int drm_setsareactx(struct drm_device *dev, void *data, 875 struct drm_file *file_priv); 876int drm_getsareactx(struct drm_device *dev, void *data, 877 struct drm_file *file_priv); 878 879/* Drawable IOCTL support (drm_drawable.c) */ 880int drm_adddraw(struct drm_device *dev, void *data, 881 struct drm_file *file_priv); 882int drm_rmdraw(struct drm_device *dev, void *data, 883 struct drm_file *file_priv); 884int drm_update_draw(struct drm_device *dev, void *data, 885 struct drm_file *file_priv); 886struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev, 887 int handle); 888 889/* Drawable support (drm_drawable.c) */ 890void drm_drawable_free_all(struct drm_device *dev); 891 892/* Authentication IOCTL support (drm_auth.c) */ 893int drm_getmagic(struct drm_device *dev, void *data, 894 struct drm_file *file_priv); 895int drm_authmagic(struct drm_device *dev, void *data, 896 struct drm_file *file_priv); 897 898/* Buffer management support (drm_bufs.c) */ 899int drm_addmap_ioctl(struct drm_device *dev, void *data, 900 struct drm_file *file_priv); 901int drm_rmmap_ioctl(struct drm_device *dev, void *data, 902 struct drm_file *file_priv); 903int drm_addbufs(struct drm_device *dev, void *data, 904 struct drm_file *file_priv); 905int drm_infobufs(struct drm_device *dev, void *data, 906 struct drm_file *file_priv); 907int drm_markbufs(struct drm_device *dev, void *data, 908 struct drm_file *file_priv); 909int drm_freebufs(struct drm_device *dev, void *data, 910 struct drm_file *file_priv); 911int drm_mapbufs(struct drm_device *dev, void *data, 912 struct drm_file *file_priv); 913 914/* DMA support (drm_dma.c) */ 915int drm_dma(struct drm_device *dev, void *data, struct drm_file *file_priv); 916 917/* IRQ support (drm_irq.c) */ 918int drm_control(struct drm_device *dev, void *data, 919 struct drm_file *file_priv); 920int drm_wait_vblank(struct drm_device *dev, void *data, 921 struct drm_file *file_priv); 922 923/* AGP/GART support (drm_agpsupport.c) */ 924int drm_agp_acquire_ioctl(struct drm_device *dev, void *data, 925 struct drm_file *file_priv); 926int drm_agp_release_ioctl(struct drm_device *dev, void *data, 927 struct drm_file *file_priv); 928int drm_agp_enable_ioctl(struct drm_device *dev, void *data, 929 struct drm_file *file_priv); 930int drm_agp_info_ioctl(struct drm_device *dev, void *data, 931 struct drm_file *file_priv); 932int drm_agp_alloc_ioctl(struct drm_device *dev, void *data, 933 struct drm_file *file_priv); 934int drm_agp_free_ioctl(struct drm_device *dev, void *data, 935 struct drm_file *file_priv); 936int drm_agp_unbind_ioctl(struct drm_device *dev, void *data, 937 struct drm_file *file_priv); 938int drm_agp_bind_ioctl(struct drm_device *dev, void *data, 939 struct drm_file *file_priv); 940 941/* Scatter Gather Support (drm_scatter.c) */ 942int drm_sg_alloc_ioctl(struct drm_device *dev, void *data, 943 struct drm_file *file_priv); 944int drm_sg_free(struct drm_device *dev, void *data, 945 struct drm_file *file_priv); 946 947/* consistent PCI memory functions (drm_pci.c) */ 948drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size, 949 size_t align, dma_addr_t maxaddr); 950void drm_pci_free(struct drm_device *dev, drm_dma_handle_t *dmah); 951 952/* Inline replacements for drm_alloc and friends */ 953static __inline__ void * 954drm_alloc(size_t size, struct malloc_type *area) 955{ 956 return malloc(size, area, M_NOWAIT); 957} 958 959static __inline__ void * 960drm_calloc(size_t nmemb, size_t size, struct malloc_type *area) 961{ 962 return malloc(size * nmemb, area, M_NOWAIT | M_ZERO); 963} 964 965static __inline__ void * 966drm_realloc(void *oldpt, size_t oldsize, size_t size, 967 struct malloc_type *area) 968{ 969 return reallocf(oldpt, size, area, M_NOWAIT); 970} 971 972static __inline__ void 973drm_free(void *pt, size_t size, struct malloc_type *area) 974{ 975 free(pt, area); 976} 977 978/* Inline replacements for DRM_IOREMAP macros */ 979static __inline__ void 980drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev) 981{ 982 map->virtual = drm_ioremap_wc(dev, map); 983} 984static __inline__ void 985drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev) 986{ 987 map->virtual = drm_ioremap(dev, map); 988} 989static __inline__ void 990drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev) 991{ 992 if ( map->virtual && map->size ) 993 drm_ioremapfree(map); 994} 995 996static __inline__ struct drm_local_map * 997drm_core_findmap(struct drm_device *dev, unsigned long offset) 998{ 999 drm_local_map_t *map; 1000 1001 DRM_SPINLOCK_ASSERT(&dev->dev_lock); 1002 TAILQ_FOREACH(map, &dev->maplist, link) { 1003 if (offset == (unsigned long)map->handle) 1004 return map; 1005 } 1006 return NULL; 1007} 1008 1009static __inline__ void drm_core_dropmap(struct drm_map *map) 1010{ 1011} 1012 1013#endif /* __KERNEL__ */ 1014#endif /* _DRM_P_H_ */ 1015