drmP.h revision 203288
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 203288 2010-01-31 14:30:39Z 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/stat.h> 53#if __FreeBSD_version >= 700000 54#include <sys/priv.h> 55#endif 56#include <sys/proc.h> 57#include <sys/lock.h> 58#include <sys/fcntl.h> 59#include <sys/uio.h> 60#include <sys/filio.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_map.h> 72#include <vm/vm_object.h> 73#include <vm/vm_page.h> 74#include <vm/vm_param.h> 75#include <machine/param.h> 76#include <machine/pmap.h> 77#include <machine/bus.h> 78#include <machine/resource.h> 79#include <machine/specialreg.h> 80#include <machine/sysarch.h> 81#include <sys/endian.h> 82#include <sys/mman.h> 83#include <sys/rman.h> 84#include <sys/memrange.h> 85#if __FreeBSD_version >= 800004 86#include <dev/agp/agpvar.h> 87#else /* __FreeBSD_version >= 800004 */ 88#include <pci/agpvar.h> 89#endif /* __FreeBSD_version >= 800004 */ 90#include <sys/agpio.h> 91#include <sys/mutex.h> 92#include <dev/pci/pcivar.h> 93#include <dev/pci/pcireg.h> 94#include <sys/selinfo.h> 95#include <sys/bus.h> 96 97#include "dev/drm/drm.h" 98#include "dev/drm/drm_atomic.h" 99#include "dev/drm/drm_internal.h" 100#include "dev/drm/drm_linux_list.h" 101 102#include <opt_drm.h> 103#ifdef DRM_DEBUG 104#undef DRM_DEBUG 105#define DRM_DEBUG_DEFAULT_ON 1 106#endif /* DRM_DEBUG */ 107 108#if defined(DRM_LINUX) && DRM_LINUX && !defined(__amd64__) 109#include <sys/file.h> 110#include <sys/proc.h> 111#include <machine/../linux/linux.h> 112#include <machine/../linux/linux_proto.h> 113#else 114/* Either it was defined when it shouldn't be (FreeBSD amd64) or it isn't 115 * supported on this OS yet. 116 */ 117#undef DRM_LINUX 118#define DRM_LINUX 0 119#endif 120 121/* driver capabilities and requirements mask */ 122#define DRIVER_USE_AGP 0x1 123#define DRIVER_REQUIRE_AGP 0x2 124#define DRIVER_USE_MTRR 0x4 125#define DRIVER_PCI_DMA 0x8 126#define DRIVER_SG 0x10 127#define DRIVER_HAVE_DMA 0x20 128#define DRIVER_HAVE_IRQ 0x40 129#define DRIVER_DMA_QUEUE 0x100 130 131 132#define DRM_HASH_SIZE 16 /* Size of key hash table */ 133#define DRM_KERNEL_CONTEXT 0 /* Change drm_resctx if changed */ 134#define DRM_RESERVED_CONTEXTS 1 /* Change drm_resctx if changed */ 135 136MALLOC_DECLARE(DRM_MEM_DMA); 137MALLOC_DECLARE(DRM_MEM_SAREA); 138MALLOC_DECLARE(DRM_MEM_DRIVER); 139MALLOC_DECLARE(DRM_MEM_MAGIC); 140MALLOC_DECLARE(DRM_MEM_IOCTLS); 141MALLOC_DECLARE(DRM_MEM_MAPS); 142MALLOC_DECLARE(DRM_MEM_BUFS); 143MALLOC_DECLARE(DRM_MEM_SEGS); 144MALLOC_DECLARE(DRM_MEM_PAGES); 145MALLOC_DECLARE(DRM_MEM_FILES); 146MALLOC_DECLARE(DRM_MEM_QUEUES); 147MALLOC_DECLARE(DRM_MEM_CMDS); 148MALLOC_DECLARE(DRM_MEM_MAPPINGS); 149MALLOC_DECLARE(DRM_MEM_BUFLISTS); 150MALLOC_DECLARE(DRM_MEM_AGPLISTS); 151MALLOC_DECLARE(DRM_MEM_CTXBITMAP); 152MALLOC_DECLARE(DRM_MEM_SGLISTS); 153MALLOC_DECLARE(DRM_MEM_DRAWABLE); 154MALLOC_DECLARE(DRM_MEM_MM); 155MALLOC_DECLARE(DRM_MEM_HASHTAB); 156 157SYSCTL_DECL(_hw_drm); 158 159#define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) 160 161 /* Internal types and structures */ 162#define DRM_ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) 163#define DRM_MIN(a,b) ((a)<(b)?(a):(b)) 164#define DRM_MAX(a,b) ((a)>(b)?(a):(b)) 165 166#define DRM_IF_VERSION(maj, min) (maj << 16 | min) 167 168#define __OS_HAS_AGP 1 169 170#define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP) 171#define DRM_DEV_UID 0 172#define DRM_DEV_GID 0 173 174#define wait_queue_head_t atomic_t 175#define DRM_WAKEUP(w) wakeup((void *)w) 176#define DRM_WAKEUP_INT(w) wakeup(w) 177#define DRM_INIT_WAITQUEUE(queue) do {(void)(queue);} while (0) 178 179#define DRM_CURPROC curthread 180#define DRM_STRUCTPROC struct thread 181#define DRM_SPINTYPE struct mtx 182#define DRM_SPININIT(l,name) mtx_init(l, name, NULL, MTX_DEF) 183#define DRM_SPINUNINIT(l) mtx_destroy(l) 184#define DRM_SPINLOCK(l) mtx_lock(l) 185#define DRM_SPINUNLOCK(u) mtx_unlock(u) 186#define DRM_SPINLOCK_IRQSAVE(l, irqflags) do { \ 187 mtx_lock(l); \ 188 (void)irqflags; \ 189} while (0) 190#define DRM_SPINUNLOCK_IRQRESTORE(u, irqflags) mtx_unlock(u) 191#define DRM_SPINLOCK_ASSERT(l) mtx_assert(l, MA_OWNED) 192#define DRM_CURRENTPID curthread->td_proc->p_pid 193#define DRM_LOCK() mtx_lock(&dev->dev_lock) 194#define DRM_UNLOCK() mtx_unlock(&dev->dev_lock) 195#define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS) 196 197#define DRM_IRQ_ARGS void *arg 198typedef void irqreturn_t; 199#define IRQ_HANDLED /* nothing */ 200#define IRQ_NONE /* nothing */ 201 202#define unlikely(x) __builtin_expect(!!(x), 0) 203#define container_of(ptr, type, member) ({ \ 204 __typeof( ((type *)0)->member ) *__mptr = (ptr); \ 205 (type *)( (char *)__mptr - offsetof(type,member) );}) 206 207enum { 208 DRM_IS_NOT_AGP, 209 DRM_IS_AGP, 210 DRM_MIGHT_BE_AGP 211}; 212#define DRM_AGP_MEM struct agp_memory_info 213 214#define drm_get_device_from_kdev(_kdev) (_kdev->si_drv1) 215 216#define PAGE_ALIGN(addr) round_page(addr) 217/* DRM_SUSER returns true if the user is superuser */ 218#if __FreeBSD_version >= 700000 219#define DRM_SUSER(p) (priv_check(p, PRIV_DRIVER) == 0) 220#else 221#define DRM_SUSER(p) (suser(p) == 0) 222#endif 223#define DRM_AGP_FIND_DEVICE() agp_find_device() 224#define DRM_MTRR_WC MDF_WRITECOMBINE 225#define jiffies ticks 226 227typedef unsigned long 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)->handle) + \ 243 (vm_offset_t)(offset)) 244#define DRM_READ16(map, offset) \ 245 *(volatile u_int16_t *)(((vm_offset_t)(map)->handle) + \ 246 (vm_offset_t)(offset)) 247#define DRM_READ32(map, offset) \ 248 *(volatile u_int32_t *)(((vm_offset_t)(map)->handle) + \ 249 (vm_offset_t)(offset)) 250#define DRM_WRITE8(map, offset, val) \ 251 *(volatile u_int8_t *)(((vm_offset_t)(map)->handle) + \ 252 (vm_offset_t)(offset)) = val 253#define DRM_WRITE16(map, offset, val) \ 254 *(volatile u_int16_t *)(((vm_offset_t)(map)->handle) + \ 255 (vm_offset_t)(offset)) = val 256#define DRM_WRITE32(map, offset, val) \ 257 *(volatile u_int32_t *)(((vm_offset_t)(map)->handle) + \ 258 (vm_offset_t)(offset)) = 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 unsigned long handle; 478 void *virtual; 479 int pages; 480 dma_addr_t *busaddr; 481 struct drm_dma_handle *dmah; /* Handle to PCI memory */ 482} drm_sg_mem_t; 483 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 struct resource *bsr; 497 bus_space_tag_t bst; 498 bus_space_handle_t bsh; 499 drm_dma_handle_t *dmah; 500 TAILQ_ENTRY(drm_local_map) link; 501} drm_local_map_t; 502 503struct drm_vblank_info { 504 wait_queue_head_t queue; /* vblank wait queue */ 505 atomic_t count; /* number of VBLANK interrupts */ 506 /* (driver must alloc the right number of counters) */ 507 atomic_t refcount; /* number of users of vblank interrupts */ 508 u32 last; /* protected by dev->vbl_lock, used */ 509 /* for wraparound handling */ 510 int enabled; /* so we don't call enable more than */ 511 /* once per disable */ 512 int inmodeset; /* Display driver is setting mode */ 513}; 514 515/* location of GART table */ 516#define DRM_ATI_GART_MAIN 1 517#define DRM_ATI_GART_FB 2 518 519#define DRM_ATI_GART_PCI 1 520#define DRM_ATI_GART_PCIE 2 521#define DRM_ATI_GART_IGP 3 522 523struct drm_ati_pcigart_info { 524 int gart_table_location; 525 int gart_reg_if; 526 void *addr; 527 dma_addr_t bus_addr; 528 dma_addr_t table_mask; 529 dma_addr_t member_mask; 530 struct drm_dma_handle *table_handle; 531 drm_local_map_t mapping; 532 int table_size; 533 struct drm_dma_handle *dmah; /* handle for ATI PCIGART table */ 534}; 535 536#ifndef DMA_BIT_MASK 537#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : (1ULL<<(n)) - 1) 538#endif 539 540#define upper_32_bits(n) ((u32)(((n) >> 16) >> 16)) 541 542struct drm_driver_info { 543 int (*load)(struct drm_device *, unsigned long flags); 544 int (*firstopen)(struct drm_device *); 545 int (*open)(struct drm_device *, struct drm_file *); 546 void (*preclose)(struct drm_device *, struct drm_file *file_priv); 547 void (*postclose)(struct drm_device *, struct drm_file *); 548 void (*lastclose)(struct drm_device *); 549 int (*unload)(struct drm_device *); 550 void (*reclaim_buffers_locked)(struct drm_device *, 551 struct drm_file *file_priv); 552 int (*dma_ioctl)(struct drm_device *dev, void *data, 553 struct drm_file *file_priv); 554 void (*dma_ready)(struct drm_device *); 555 int (*dma_quiescent)(struct drm_device *); 556 int (*dma_flush_block_and_flush)(struct drm_device *, int context, 557 enum drm_lock_flags flags); 558 int (*dma_flush_unblock)(struct drm_device *, int context, 559 enum drm_lock_flags flags); 560 int (*context_ctor)(struct drm_device *dev, int context); 561 int (*context_dtor)(struct drm_device *dev, int context); 562 int (*kernel_context_switch)(struct drm_device *dev, int old, 563 int new); 564 int (*kernel_context_switch_unlock)(struct drm_device *dev); 565 void (*irq_preinstall)(struct drm_device *dev); 566 int (*irq_postinstall)(struct drm_device *dev); 567 void (*irq_uninstall)(struct drm_device *dev); 568 void (*irq_handler)(DRM_IRQ_ARGS); 569 u32 (*get_vblank_counter)(struct drm_device *dev, int crtc); 570 int (*enable_vblank)(struct drm_device *dev, int crtc); 571 void (*disable_vblank)(struct drm_device *dev, int crtc); 572 573 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ 574 575 /** 576 * Called by \c drm_device_is_agp. Typically used to determine if a 577 * card is really attached to AGP or not. 578 * 579 * \param dev DRM device handle 580 * 581 * \returns 582 * One of three values is returned depending on whether or not the 583 * card is absolutely \b not AGP (return of 0), absolutely \b is AGP 584 * (return of 1), or may or may not be AGP (return of 2). 585 */ 586 int (*device_is_agp) (struct drm_device * dev); 587 588 drm_ioctl_desc_t *ioctls; 589 int max_ioctl; 590 591 int buf_priv_size; 592 593 int major; 594 int minor; 595 int patchlevel; 596 const char *name; /* Simple driver name */ 597 const char *desc; /* Longer driver name */ 598 const char *date; /* Date of last major changes. */ 599 600 u32 driver_features; 601}; 602 603/* Length for the array of resource pointers for drm_get_resource_*. */ 604#define DRM_MAX_PCI_RESOURCE 6 605 606/** 607 * DRM device functions structure 608 */ 609struct drm_device { 610 struct drm_driver_info *driver; 611 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ 612 613 u_int16_t pci_device; /* PCI device id */ 614 u_int16_t pci_vendor; /* PCI vendor id */ 615 616 char *unique; /* Unique identifier: e.g., busid */ 617 int unique_len; /* Length of unique field */ 618 device_t device; /* Device instance from newbus */ 619 struct cdev *devnode; /* Device number for mknod */ 620 int if_version; /* Highest interface version set */ 621 622 int flags; /* Flags to open(2) */ 623 624 /* Locks */ 625 struct mtx vbl_lock; /* protects vblank operations */ 626 struct mtx dma_lock; /* protects dev->dma */ 627 struct mtx irq_lock; /* protects irq condition checks */ 628 struct mtx dev_lock; /* protects everything else */ 629 DRM_SPINTYPE drw_lock; 630 631 /* Usage Counters */ 632 int open_count; /* Outstanding files open */ 633 int buf_use; /* Buffers in use -- cannot alloc */ 634 635 /* Performance counters */ 636 unsigned long counters; 637 enum drm_stat_type types[15]; 638 atomic_t counts[15]; 639 640 /* Authentication */ 641 drm_file_list_t files; 642 drm_magic_head_t magiclist[DRM_HASH_SIZE]; 643 644 /* Linked list of mappable regions. Protected by dev_lock */ 645 drm_map_list_t maplist; 646 647 drm_local_map_t **context_sareas; 648 int max_context; 649 650 drm_lock_data_t lock; /* Information on hardware lock */ 651 652 /* DMA queues (contexts) */ 653 drm_device_dma_t *dma; /* Optional pointer for DMA support */ 654 655 /* Context support */ 656 int irq; /* Interrupt used by board */ 657 int irq_enabled; /* True if the irq handler is enabled */ 658 int msi_enabled; /* MSI enabled */ 659 int irqrid; /* Interrupt used by board */ 660 struct resource *irqr; /* Resource for interrupt used by board */ 661 void *irqh; /* Handle from bus_setup_intr */ 662 663 /* Storage of resource pointers for drm_get_resource_* */ 664 struct resource *pcir[DRM_MAX_PCI_RESOURCE]; 665 int pcirid[DRM_MAX_PCI_RESOURCE]; 666 667 int pci_domain; 668 int pci_bus; 669 int pci_slot; 670 int pci_func; 671 672 atomic_t context_flag; /* Context swapping flag */ 673 int last_context; /* Last current context */ 674 675 int vblank_disable_allowed; 676 struct callout vblank_disable_timer; 677 u32 max_vblank_count; /* size of vblank counter register */ 678 struct drm_vblank_info *vblank; /* per crtc vblank info */ 679 int num_crtcs; 680 681 struct sigio *buf_sigio; /* Processes waiting for SIGIO */ 682 683 /* Sysctl support */ 684 struct drm_sysctl_info *sysctl; 685 686 drm_agp_head_t *agp; 687 drm_sg_mem_t *sg; /* Scatter gather memory */ 688 atomic_t *ctx_bitmap; 689 void *dev_private; 690 unsigned int agp_buffer_token; 691 drm_local_map_t *agp_buffer_map; 692 693 struct unrhdr *drw_unrhdr; 694 /* RB tree of drawable infos */ 695 RB_HEAD(drawable_tree, bsd_drm_drawable_info) drw_head; 696}; 697 698static __inline__ int drm_core_check_feature(struct drm_device *dev, 699 int feature) 700{ 701 return ((dev->driver->driver_features & feature) ? 1 : 0); 702} 703 704#if __OS_HAS_AGP 705static inline int drm_core_has_AGP(struct drm_device *dev) 706{ 707 return drm_core_check_feature(dev, DRIVER_USE_AGP); 708} 709#else 710#define drm_core_has_AGP(dev) (0) 711#endif 712 713extern int drm_debug_flag; 714 715/* Device setup support (drm_drv.c) */ 716int drm_probe(device_t kdev, drm_pci_id_list_t *idlist); 717int drm_attach(device_t kdev, drm_pci_id_list_t *idlist); 718void drm_close(void *data); 719int drm_detach(device_t kdev); 720d_ioctl_t drm_ioctl; 721d_open_t drm_open; 722d_read_t drm_read; 723d_poll_t drm_poll; 724d_mmap_t drm_mmap; 725extern drm_local_map_t *drm_getsarea(struct drm_device *dev); 726 727/* File operations helpers (drm_fops.c) */ 728extern int drm_open_helper(struct cdev *kdev, int flags, int fmt, 729 DRM_STRUCTPROC *p, 730 struct drm_device *dev); 731 732/* Memory management support (drm_memory.c) */ 733void drm_mem_init(void); 734void drm_mem_uninit(void); 735void *drm_ioremap_wc(struct drm_device *dev, drm_local_map_t *map); 736void *drm_ioremap(struct drm_device *dev, drm_local_map_t *map); 737void drm_ioremapfree(drm_local_map_t *map); 738int drm_mtrr_add(unsigned long offset, size_t size, int flags); 739int drm_mtrr_del(int handle, unsigned long offset, size_t size, int flags); 740 741int drm_context_switch(struct drm_device *dev, int old, int new); 742int drm_context_switch_complete(struct drm_device *dev, int new); 743 744int drm_ctxbitmap_init(struct drm_device *dev); 745void drm_ctxbitmap_cleanup(struct drm_device *dev); 746void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle); 747int drm_ctxbitmap_next(struct drm_device *dev); 748 749/* Locking IOCTL support (drm_lock.c) */ 750int drm_lock_take(struct drm_lock_data *lock_data, 751 unsigned int context); 752int drm_lock_transfer(struct drm_lock_data *lock_data, 753 unsigned int context); 754int drm_lock_free(struct drm_lock_data *lock_data, 755 unsigned int context); 756 757/* Buffer management support (drm_bufs.c) */ 758unsigned long drm_get_resource_start(struct drm_device *dev, 759 unsigned int resource); 760unsigned long drm_get_resource_len(struct drm_device *dev, 761 unsigned int resource); 762void drm_rmmap(struct drm_device *dev, drm_local_map_t *map); 763int drm_order(unsigned long size); 764int drm_addmap(struct drm_device *dev, unsigned long offset, 765 unsigned long size, 766 enum drm_map_type type, enum drm_map_flags flags, 767 drm_local_map_t **map_ptr); 768int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc *request); 769int drm_addbufs_sg(struct drm_device *dev, struct drm_buf_desc *request); 770int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc *request); 771 772/* DMA support (drm_dma.c) */ 773int drm_dma_setup(struct drm_device *dev); 774void drm_dma_takedown(struct drm_device *dev); 775void drm_free_buffer(struct drm_device *dev, drm_buf_t *buf); 776void drm_reclaim_buffers(struct drm_device *dev, struct drm_file *file_priv); 777#define drm_core_reclaim_buffers drm_reclaim_buffers 778 779/* IRQ support (drm_irq.c) */ 780int drm_irq_install(struct drm_device *dev); 781int drm_irq_uninstall(struct drm_device *dev); 782irqreturn_t drm_irq_handler(DRM_IRQ_ARGS); 783void drm_driver_irq_preinstall(struct drm_device *dev); 784void drm_driver_irq_postinstall(struct drm_device *dev); 785void drm_driver_irq_uninstall(struct drm_device *dev); 786void drm_handle_vblank(struct drm_device *dev, int crtc); 787u32 drm_vblank_count(struct drm_device *dev, int crtc); 788int drm_vblank_get(struct drm_device *dev, int crtc); 789void drm_vblank_put(struct drm_device *dev, int crtc); 790void drm_vblank_cleanup(struct drm_device *dev); 791int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq); 792int drm_vblank_init(struct drm_device *dev, int num_crtcs); 793int drm_modeset_ctl(struct drm_device *dev, void *data, 794 struct drm_file *file_priv); 795 796/* AGP/PCI Express/GART support (drm_agpsupport.c) */ 797int drm_device_is_agp(struct drm_device *dev); 798int drm_device_is_pcie(struct drm_device *dev); 799drm_agp_head_t *drm_agp_init(void); 800int drm_agp_acquire(struct drm_device *dev); 801int drm_agp_release(struct drm_device *dev); 802int drm_agp_info(struct drm_device * dev, struct drm_agp_info *info); 803int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode); 804void *drm_agp_allocate_memory(size_t pages, u32 type); 805int drm_agp_free_memory(void *handle); 806int drm_agp_bind_memory(void *handle, off_t start); 807int drm_agp_unbind_memory(void *handle); 808int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request); 809int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request); 810int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request); 811int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request); 812 813/* Scatter Gather Support (drm_scatter.c) */ 814void drm_sg_cleanup(drm_sg_mem_t *entry); 815int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request); 816 817/* sysctl support (drm_sysctl.h) */ 818extern int drm_sysctl_init(struct drm_device *dev); 819extern int drm_sysctl_cleanup(struct drm_device *dev); 820 821/* ATI PCIGART support (ati_pcigart.c) */ 822int drm_ati_pcigart_init(struct drm_device *dev, 823 struct drm_ati_pcigart_info *gart_info); 824int drm_ati_pcigart_cleanup(struct drm_device *dev, 825 struct drm_ati_pcigart_info *gart_info); 826 827/* Locking IOCTL support (drm_drv.c) */ 828int drm_lock(struct drm_device *dev, void *data, 829 struct drm_file *file_priv); 830int drm_unlock(struct drm_device *dev, void *data, 831 struct drm_file *file_priv); 832int drm_version(struct drm_device *dev, void *data, 833 struct drm_file *file_priv); 834int drm_setversion(struct drm_device *dev, void *data, 835 struct drm_file *file_priv); 836 837/* Misc. IOCTL support (drm_ioctl.c) */ 838int drm_irq_by_busid(struct drm_device *dev, void *data, 839 struct drm_file *file_priv); 840int drm_getunique(struct drm_device *dev, void *data, 841 struct drm_file *file_priv); 842int drm_setunique(struct drm_device *dev, void *data, 843 struct drm_file *file_priv); 844int drm_getmap(struct drm_device *dev, void *data, 845 struct drm_file *file_priv); 846int drm_getclient(struct drm_device *dev, void *data, 847 struct drm_file *file_priv); 848int drm_getstats(struct drm_device *dev, void *data, 849 struct drm_file *file_priv); 850int drm_noop(struct drm_device *dev, void *data, 851 struct drm_file *file_priv); 852 853/* Context IOCTL support (drm_context.c) */ 854int drm_resctx(struct drm_device *dev, void *data, 855 struct drm_file *file_priv); 856int drm_addctx(struct drm_device *dev, void *data, 857 struct drm_file *file_priv); 858int drm_modctx(struct drm_device *dev, void *data, 859 struct drm_file *file_priv); 860int drm_getctx(struct drm_device *dev, void *data, 861 struct drm_file *file_priv); 862int drm_switchctx(struct drm_device *dev, void *data, 863 struct drm_file *file_priv); 864int drm_newctx(struct drm_device *dev, void *data, 865 struct drm_file *file_priv); 866int drm_rmctx(struct drm_device *dev, void *data, 867 struct drm_file *file_priv); 868int drm_setsareactx(struct drm_device *dev, void *data, 869 struct drm_file *file_priv); 870int drm_getsareactx(struct drm_device *dev, void *data, 871 struct drm_file *file_priv); 872 873/* Drawable IOCTL support (drm_drawable.c) */ 874int drm_adddraw(struct drm_device *dev, void *data, 875 struct drm_file *file_priv); 876int drm_rmdraw(struct drm_device *dev, void *data, 877 struct drm_file *file_priv); 878int drm_update_draw(struct drm_device *dev, void *data, 879 struct drm_file *file_priv); 880struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev, 881 int handle); 882 883/* Drawable support (drm_drawable.c) */ 884void drm_drawable_free_all(struct drm_device *dev); 885 886/* Authentication IOCTL support (drm_auth.c) */ 887int drm_getmagic(struct drm_device *dev, void *data, 888 struct drm_file *file_priv); 889int drm_authmagic(struct drm_device *dev, void *data, 890 struct drm_file *file_priv); 891 892/* Buffer management support (drm_bufs.c) */ 893int drm_addmap_ioctl(struct drm_device *dev, void *data, 894 struct drm_file *file_priv); 895int drm_rmmap_ioctl(struct drm_device *dev, void *data, 896 struct drm_file *file_priv); 897int drm_addbufs(struct drm_device *dev, void *data, 898 struct drm_file *file_priv); 899int drm_infobufs(struct drm_device *dev, void *data, 900 struct drm_file *file_priv); 901int drm_markbufs(struct drm_device *dev, void *data, 902 struct drm_file *file_priv); 903int drm_freebufs(struct drm_device *dev, void *data, 904 struct drm_file *file_priv); 905int drm_mapbufs(struct drm_device *dev, void *data, 906 struct drm_file *file_priv); 907 908/* DMA support (drm_dma.c) */ 909int drm_dma(struct drm_device *dev, void *data, struct drm_file *file_priv); 910 911/* IRQ support (drm_irq.c) */ 912int drm_control(struct drm_device *dev, void *data, 913 struct drm_file *file_priv); 914int drm_wait_vblank(struct drm_device *dev, void *data, 915 struct drm_file *file_priv); 916 917/* AGP/GART support (drm_agpsupport.c) */ 918int drm_agp_acquire_ioctl(struct drm_device *dev, void *data, 919 struct drm_file *file_priv); 920int drm_agp_release_ioctl(struct drm_device *dev, void *data, 921 struct drm_file *file_priv); 922int drm_agp_enable_ioctl(struct drm_device *dev, void *data, 923 struct drm_file *file_priv); 924int drm_agp_info_ioctl(struct drm_device *dev, void *data, 925 struct drm_file *file_priv); 926int drm_agp_alloc_ioctl(struct drm_device *dev, void *data, 927 struct drm_file *file_priv); 928int drm_agp_free_ioctl(struct drm_device *dev, void *data, 929 struct drm_file *file_priv); 930int drm_agp_unbind_ioctl(struct drm_device *dev, void *data, 931 struct drm_file *file_priv); 932int drm_agp_bind_ioctl(struct drm_device *dev, void *data, 933 struct drm_file *file_priv); 934 935/* Scatter Gather Support (drm_scatter.c) */ 936int drm_sg_alloc_ioctl(struct drm_device *dev, void *data, 937 struct drm_file *file_priv); 938int drm_sg_free(struct drm_device *dev, void *data, 939 struct drm_file *file_priv); 940 941/* consistent PCI memory functions (drm_pci.c) */ 942drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size, 943 size_t align, dma_addr_t maxaddr); 944void drm_pci_free(struct drm_device *dev, drm_dma_handle_t *dmah); 945 946/* Inline replacements for drm_alloc and friends */ 947static __inline__ void * 948drm_alloc(size_t size, struct malloc_type *area) 949{ 950 return malloc(size, area, M_NOWAIT); 951} 952 953static __inline__ void * 954drm_calloc(size_t nmemb, size_t size, struct malloc_type *area) 955{ 956 return malloc(size * nmemb, area, M_NOWAIT | M_ZERO); 957} 958 959static __inline__ void * 960drm_realloc(void *oldpt, size_t oldsize, size_t size, 961 struct malloc_type *area) 962{ 963 return reallocf(oldpt, size, area, M_NOWAIT); 964} 965 966static __inline__ void 967drm_free(void *pt, size_t size, struct malloc_type *area) 968{ 969 free(pt, area); 970} 971 972/* Inline replacements for DRM_IOREMAP macros */ 973static __inline__ void 974drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev) 975{ 976 map->handle = drm_ioremap_wc(dev, map); 977} 978static __inline__ void 979drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev) 980{ 981 map->handle = drm_ioremap(dev, map); 982} 983static __inline__ void 984drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev) 985{ 986 if ( map->handle && map->size ) 987 drm_ioremapfree(map); 988} 989 990static __inline__ struct drm_local_map * 991drm_core_findmap(struct drm_device *dev, unsigned long offset) 992{ 993 drm_local_map_t *map; 994 995 DRM_SPINLOCK_ASSERT(&dev->dev_lock); 996 TAILQ_FOREACH(map, &dev->maplist, link) { 997 if (map->offset == offset) 998 return map; 999 } 1000 return NULL; 1001} 1002 1003static __inline__ void drm_core_dropmap(struct drm_map *map) 1004{ 1005} 1006 1007#endif /* __KERNEL__ */ 1008#endif /* _DRM_P_H_ */ 1009