drmP.h revision 198692
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 198692 2009-10-30 16:59:58Z 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/signalvar.h> 64#include <sys/poll.h> 65#include <sys/tree.h> 66#include <vm/vm.h> 67#include <vm/pmap.h> 68#include <vm/vm_extern.h> 69#include <vm/vm_map.h> 70#include <vm/vm_param.h> 71#include <machine/param.h> 72#include <machine/pmap.h> 73#include <machine/bus.h> 74#include <machine/resource.h> 75#include <machine/specialreg.h> 76#include <machine/sysarch.h> 77#include <sys/endian.h> 78#include <sys/mman.h> 79#include <sys/rman.h> 80#include <sys/memrange.h> 81#if __FreeBSD_version >= 800004 82#include <dev/agp/agpvar.h> 83#else /* __FreeBSD_version >= 800004 */ 84#include <pci/agpvar.h> 85#endif /* __FreeBSD_version >= 800004 */ 86#include <sys/agpio.h> 87#include <sys/mutex.h> 88#include <dev/pci/pcivar.h> 89#include <dev/pci/pcireg.h> 90#include <sys/selinfo.h> 91#include <sys/bus.h> 92 93#include "dev/drm/drm.h" 94#include "dev/drm/drm_linux_list.h" 95#include "dev/drm/drm_atomic.h" 96#include "dev/drm/drm_internal.h" 97 98#include <opt_drm.h> 99#ifdef DRM_DEBUG 100#undef DRM_DEBUG 101#define DRM_DEBUG_DEFAULT_ON 1 102#endif /* DRM_DEBUG */ 103 104#if defined(DRM_LINUX) && DRM_LINUX && !defined(__amd64__) 105#include <sys/file.h> 106#include <sys/proc.h> 107#include <machine/../linux/linux.h> 108#include <machine/../linux/linux_proto.h> 109#else 110/* Either it was defined when it shouldn't be (FreeBSD amd64) or it isn't 111 * supported on this OS yet. 112 */ 113#undef DRM_LINUX 114#define DRM_LINUX 0 115#endif 116 117/* driver capabilities and requirements mask */ 118#define DRIVER_USE_AGP 0x1 119#define DRIVER_REQUIRE_AGP 0x2 120#define DRIVER_USE_MTRR 0x4 121#define DRIVER_PCI_DMA 0x8 122#define DRIVER_SG 0x10 123#define DRIVER_HAVE_DMA 0x20 124#define DRIVER_HAVE_IRQ 0x40 125#define DRIVER_DMA_QUEUE 0x100 126 127 128#define DRM_HASH_SIZE 16 /* Size of key hash table */ 129#define DRM_KERNEL_CONTEXT 0 /* Change drm_resctx if changed */ 130#define DRM_RESERVED_CONTEXTS 1 /* Change drm_resctx if changed */ 131 132MALLOC_DECLARE(DRM_MEM_DMA); 133MALLOC_DECLARE(DRM_MEM_SAREA); 134MALLOC_DECLARE(DRM_MEM_DRIVER); 135MALLOC_DECLARE(DRM_MEM_MAGIC); 136MALLOC_DECLARE(DRM_MEM_IOCTLS); 137MALLOC_DECLARE(DRM_MEM_MAPS); 138MALLOC_DECLARE(DRM_MEM_BUFS); 139MALLOC_DECLARE(DRM_MEM_SEGS); 140MALLOC_DECLARE(DRM_MEM_PAGES); 141MALLOC_DECLARE(DRM_MEM_FILES); 142MALLOC_DECLARE(DRM_MEM_QUEUES); 143MALLOC_DECLARE(DRM_MEM_CMDS); 144MALLOC_DECLARE(DRM_MEM_MAPPINGS); 145MALLOC_DECLARE(DRM_MEM_BUFLISTS); 146MALLOC_DECLARE(DRM_MEM_AGPLISTS); 147MALLOC_DECLARE(DRM_MEM_CTXBITMAP); 148MALLOC_DECLARE(DRM_MEM_SGLISTS); 149MALLOC_DECLARE(DRM_MEM_DRAWABLE); 150 151SYSCTL_DECL(_hw_drm); 152 153#define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) 154 155 /* Internal types and structures */ 156#define DRM_ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) 157#define DRM_MIN(a,b) ((a)<(b)?(a):(b)) 158#define DRM_MAX(a,b) ((a)>(b)?(a):(b)) 159 160#define DRM_IF_VERSION(maj, min) (maj << 16 | min) 161 162#define __OS_HAS_AGP 1 163 164#define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP) 165#define DRM_DEV_UID 0 166#define DRM_DEV_GID 0 167 168#define wait_queue_head_t atomic_t 169#define DRM_WAKEUP(w) wakeup((void *)w) 170#define DRM_WAKEUP_INT(w) wakeup(w) 171#define DRM_INIT_WAITQUEUE(queue) do {(void)(queue);} while (0) 172 173#define DRM_CURPROC curthread 174#define DRM_STRUCTPROC struct thread 175#define DRM_SPINTYPE struct mtx 176#define DRM_SPININIT(l,name) mtx_init(l, name, NULL, MTX_DEF) 177#define DRM_SPINUNINIT(l) mtx_destroy(l) 178#define DRM_SPINLOCK(l) mtx_lock(l) 179#define DRM_SPINUNLOCK(u) mtx_unlock(u) 180#define DRM_SPINLOCK_IRQSAVE(l, irqflags) do { \ 181 mtx_lock(l); \ 182 (void)irqflags; \ 183} while (0) 184#define DRM_SPINUNLOCK_IRQRESTORE(u, irqflags) mtx_unlock(u) 185#define DRM_SPINLOCK_ASSERT(l) mtx_assert(l, MA_OWNED) 186#define DRM_CURRENTPID curthread->td_proc->p_pid 187#define DRM_LOCK() mtx_lock(&dev->dev_lock) 188#define DRM_UNLOCK() mtx_unlock(&dev->dev_lock) 189#define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS) 190 191#define DRM_IRQ_ARGS void *arg 192typedef void irqreturn_t; 193#define IRQ_HANDLED /* nothing */ 194#define IRQ_NONE /* nothing */ 195 196enum { 197 DRM_IS_NOT_AGP, 198 DRM_IS_AGP, 199 DRM_MIGHT_BE_AGP 200}; 201#define DRM_AGP_MEM struct agp_memory_info 202 203#define drm_get_device_from_kdev(_kdev) (_kdev->si_drv1) 204 205#define PAGE_ALIGN(addr) round_page(addr) 206/* DRM_SUSER returns true if the user is superuser */ 207#if __FreeBSD_version >= 700000 208#define DRM_SUSER(p) (priv_check(p, PRIV_DRIVER) == 0) 209#else 210#define DRM_SUSER(p) (suser(p) == 0) 211#endif 212#define DRM_AGP_FIND_DEVICE() agp_find_device() 213#define DRM_MTRR_WC MDF_WRITECOMBINE 214#define jiffies ticks 215 216typedef unsigned long dma_addr_t; 217typedef u_int64_t u64; 218typedef u_int32_t u32; 219typedef u_int16_t u16; 220typedef u_int8_t u8; 221 222/* DRM_READMEMORYBARRIER() prevents reordering of reads. 223 * DRM_WRITEMEMORYBARRIER() prevents reordering of writes. 224 * DRM_MEMORYBARRIER() prevents reordering of reads and writes. 225 */ 226#define DRM_READMEMORYBARRIER() rmb() 227#define DRM_WRITEMEMORYBARRIER() wmb() 228#define DRM_MEMORYBARRIER() mb() 229 230#define DRM_READ8(map, offset) \ 231 *(volatile u_int8_t *)(((vm_offset_t)(map)->handle) + \ 232 (vm_offset_t)(offset)) 233#define DRM_READ16(map, offset) \ 234 *(volatile u_int16_t *)(((vm_offset_t)(map)->handle) + \ 235 (vm_offset_t)(offset)) 236#define DRM_READ32(map, offset) \ 237 *(volatile u_int32_t *)(((vm_offset_t)(map)->handle) + \ 238 (vm_offset_t)(offset)) 239#define DRM_WRITE8(map, offset, val) \ 240 *(volatile u_int8_t *)(((vm_offset_t)(map)->handle) + \ 241 (vm_offset_t)(offset)) = val 242#define DRM_WRITE16(map, offset, val) \ 243 *(volatile u_int16_t *)(((vm_offset_t)(map)->handle) + \ 244 (vm_offset_t)(offset)) = val 245#define DRM_WRITE32(map, offset, val) \ 246 *(volatile u_int32_t *)(((vm_offset_t)(map)->handle) + \ 247 (vm_offset_t)(offset)) = val 248 249#define DRM_VERIFYAREA_READ( uaddr, size ) \ 250 (!useracc(__DECONST(caddr_t, uaddr), size, VM_PROT_READ)) 251 252#define DRM_COPY_TO_USER(user, kern, size) \ 253 copyout(kern, user, size) 254#define DRM_COPY_FROM_USER(kern, user, size) \ 255 copyin(user, kern, size) 256#define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \ 257 copyin(arg2, arg1, arg3) 258#define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \ 259 copyout(arg2, arg1, arg3) 260#define DRM_GET_USER_UNCHECKED(val, uaddr) \ 261 ((val) = fuword32(uaddr), 0) 262 263#define cpu_to_le32(x) htole32(x) 264#define le32_to_cpu(x) le32toh(x) 265 266#define DRM_HZ hz 267#define DRM_UDELAY(udelay) DELAY(udelay) 268#define DRM_TIME_SLICE (hz/20) /* Time slice for GLXContexts */ 269 270#define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \ 271 (_map) = (_dev)->context_sareas[_ctx]; \ 272} while(0) 273 274#define LOCK_TEST_WITH_RETURN(dev, file_priv) \ 275do { \ 276 if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \ 277 dev->lock.file_priv != file_priv) { \ 278 DRM_ERROR("%s called without lock held\n", \ 279 __FUNCTION__); \ 280 return EINVAL; \ 281 } \ 282} while (0) 283 284/* Returns -errno to shared code */ 285#define DRM_WAIT_ON( ret, queue, timeout, condition ) \ 286for ( ret = 0 ; !ret && !(condition) ; ) { \ 287 DRM_UNLOCK(); \ 288 mtx_lock(&dev->irq_lock); \ 289 if (!(condition)) \ 290 ret = -mtx_sleep(&(queue), &dev->irq_lock, \ 291 PCATCH, "drmwtq", (timeout)); \ 292 mtx_unlock(&dev->irq_lock); \ 293 DRM_LOCK(); \ 294} 295 296#define DRM_ERROR(fmt, ...) \ 297 printf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt, \ 298 DRM_CURRENTPID, __func__ , ##__VA_ARGS__) 299 300#define DRM_INFO(fmt, ...) printf("info: [" DRM_NAME "] " fmt , ##__VA_ARGS__) 301 302#define DRM_DEBUG(fmt, ...) do { \ 303 if (drm_debug_flag) \ 304 printf("[" DRM_NAME ":pid%d:%s] " fmt, DRM_CURRENTPID, \ 305 __func__ , ##__VA_ARGS__); \ 306} while (0) 307 308typedef struct drm_pci_id_list 309{ 310 int vendor; 311 int device; 312 long driver_private; 313 char *name; 314} drm_pci_id_list_t; 315 316struct drm_msi_blacklist_entry 317{ 318 int vendor; 319 int device; 320}; 321 322#define DRM_AUTH 0x1 323#define DRM_MASTER 0x2 324#define DRM_ROOT_ONLY 0x4 325typedef struct drm_ioctl_desc { 326 unsigned long cmd; 327 int (*func)(struct drm_device *dev, void *data, 328 struct drm_file *file_priv); 329 int flags; 330} drm_ioctl_desc_t; 331/** 332 * Creates a driver or general drm_ioctl_desc array entry for the given 333 * ioctl, for use by drm_ioctl(). 334 */ 335#define DRM_IOCTL_DEF(ioctl, func, flags) \ 336 [DRM_IOCTL_NR(ioctl)] = {ioctl, func, flags} 337 338typedef struct drm_magic_entry { 339 drm_magic_t magic; 340 struct drm_file *priv; 341 struct drm_magic_entry *next; 342} drm_magic_entry_t; 343 344typedef struct drm_magic_head { 345 struct drm_magic_entry *head; 346 struct drm_magic_entry *tail; 347} drm_magic_head_t; 348 349typedef struct drm_buf { 350 int idx; /* Index into master buflist */ 351 int total; /* Buffer size */ 352 int order; /* log-base-2(total) */ 353 int used; /* Amount of buffer in use (for DMA) */ 354 unsigned long offset; /* Byte offset (used internally) */ 355 void *address; /* Address of buffer */ 356 unsigned long bus_address; /* Bus address of buffer */ 357 struct drm_buf *next; /* Kernel-only: used for free list */ 358 __volatile__ int pending; /* On hardware DMA queue */ 359 struct drm_file *file_priv; /* Unique identifier of holding process */ 360 int context; /* Kernel queue for this buffer */ 361 enum { 362 DRM_LIST_NONE = 0, 363 DRM_LIST_FREE = 1, 364 DRM_LIST_WAIT = 2, 365 DRM_LIST_PEND = 3, 366 DRM_LIST_PRIO = 4, 367 DRM_LIST_RECLAIM = 5 368 } list; /* Which list we're on */ 369 370 int dev_priv_size; /* Size of buffer private stoarge */ 371 void *dev_private; /* Per-buffer private storage */ 372} drm_buf_t; 373 374typedef struct drm_freelist { 375 int initialized; /* Freelist in use */ 376 atomic_t count; /* Number of free buffers */ 377 drm_buf_t *next; /* End pointer */ 378 379 int low_mark; /* Low water mark */ 380 int high_mark; /* High water mark */ 381} drm_freelist_t; 382 383typedef struct drm_dma_handle { 384 void *vaddr; 385 bus_addr_t busaddr; 386 bus_dma_tag_t tag; 387 bus_dmamap_t map; 388} drm_dma_handle_t; 389 390typedef struct drm_buf_entry { 391 int buf_size; 392 int buf_count; 393 drm_buf_t *buflist; 394 int seg_count; 395 drm_dma_handle_t **seglist; 396 int page_order; 397 398 drm_freelist_t freelist; 399} drm_buf_entry_t; 400 401typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t; 402struct drm_file { 403 TAILQ_ENTRY(drm_file) link; 404 struct drm_device *dev; 405 int authenticated; 406 int master; 407 pid_t pid; 408 uid_t uid; 409 drm_magic_t magic; 410 unsigned long ioctl_count; 411 void *driver_priv; 412}; 413 414typedef struct drm_lock_data { 415 struct drm_hw_lock *hw_lock; /* Hardware lock */ 416 struct drm_file *file_priv; /* Unique identifier of holding process (NULL is kernel)*/ 417 int lock_queue; /* Queue of blocked processes */ 418 unsigned long lock_time; /* Time of last lock in jiffies */ 419} drm_lock_data_t; 420 421/* This structure, in the struct drm_device, is always initialized while the 422 * device 423 * is open. dev->dma_lock protects the incrementing of dev->buf_use, which 424 * when set marks that no further bufs may be allocated until device teardown 425 * occurs (when the last open of the device has closed). The high/low 426 * watermarks of bufs are only touched by the X Server, and thus not 427 * concurrently accessed, so no locking is needed. 428 */ 429typedef struct drm_device_dma { 430 drm_buf_entry_t bufs[DRM_MAX_ORDER+1]; 431 int buf_count; 432 drm_buf_t **buflist; /* Vector of pointers info bufs */ 433 int seg_count; 434 int page_count; 435 unsigned long *pagelist; 436 unsigned long byte_count; 437 enum { 438 _DRM_DMA_USE_AGP = 0x01, 439 _DRM_DMA_USE_SG = 0x02 440 } flags; 441} drm_device_dma_t; 442 443typedef struct drm_agp_mem { 444 void *handle; 445 unsigned long bound; /* address */ 446 int pages; 447 struct drm_agp_mem *prev; 448 struct drm_agp_mem *next; 449} drm_agp_mem_t; 450 451typedef struct drm_agp_head { 452 device_t agpdev; 453 struct agp_info info; 454 const char *chipset; 455 drm_agp_mem_t *memory; 456 unsigned long mode; 457 int enabled; 458 int acquired; 459 unsigned long base; 460 int mtrr; 461 int cant_use_aperture; 462 unsigned long page_mask; 463} drm_agp_head_t; 464 465typedef struct drm_sg_mem { 466 unsigned long handle; 467 void *virtual; 468 int pages; 469 dma_addr_t *busaddr; 470 struct drm_dma_handle *dmah; /* Handle to PCI memory */ 471} drm_sg_mem_t; 472 473typedef TAILQ_HEAD(drm_map_list, drm_local_map) drm_map_list_t; 474 475typedef struct drm_local_map { 476 unsigned long offset; /* Physical address (0 for SAREA)*/ 477 unsigned long size; /* Physical size (bytes) */ 478 enum drm_map_type type; /* Type of memory mapped */ 479 enum drm_map_flags flags; /* Flags */ 480 void *handle; /* User-space: "Handle" to pass to mmap */ 481 /* Kernel-space: kernel-virtual address */ 482 int mtrr; /* Boolean: MTRR used */ 483 /* Private data */ 484 int rid; /* PCI resource ID for bus_space */ 485 struct resource *bsr; 486 bus_space_tag_t bst; 487 bus_space_handle_t bsh; 488 drm_dma_handle_t *dmah; 489 TAILQ_ENTRY(drm_local_map) link; 490} drm_local_map_t; 491 492struct drm_vblank_info { 493 wait_queue_head_t queue; /* vblank wait queue */ 494 atomic_t count; /* number of VBLANK interrupts */ 495 /* (driver must alloc the right number of counters) */ 496 atomic_t refcount; /* number of users of vblank interrupts */ 497 u32 last; /* protected by dev->vbl_lock, used */ 498 /* for wraparound handling */ 499 int enabled; /* so we don't call enable more than */ 500 /* once per disable */ 501 int inmodeset; /* Display driver is setting mode */ 502}; 503 504/* location of GART table */ 505#define DRM_ATI_GART_MAIN 1 506#define DRM_ATI_GART_FB 2 507 508#define DRM_ATI_GART_PCI 1 509#define DRM_ATI_GART_PCIE 2 510#define DRM_ATI_GART_IGP 3 511 512struct drm_ati_pcigart_info { 513 int gart_table_location; 514 int gart_reg_if; 515 void *addr; 516 dma_addr_t bus_addr; 517 dma_addr_t table_mask; 518 dma_addr_t member_mask; 519 struct drm_dma_handle *table_handle; 520 drm_local_map_t mapping; 521 int table_size; 522 struct drm_dma_handle *dmah; /* handle for ATI PCIGART table */ 523}; 524 525#ifndef DMA_BIT_MASK 526#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : (1ULL<<(n)) - 1) 527#endif 528 529#define upper_32_bits(n) ((u32)(((n) >> 16) >> 16)) 530 531struct drm_driver_info { 532 int (*load)(struct drm_device *, unsigned long flags); 533 int (*firstopen)(struct drm_device *); 534 int (*open)(struct drm_device *, struct drm_file *); 535 void (*preclose)(struct drm_device *, struct drm_file *file_priv); 536 void (*postclose)(struct drm_device *, struct drm_file *); 537 void (*lastclose)(struct drm_device *); 538 int (*unload)(struct drm_device *); 539 void (*reclaim_buffers_locked)(struct drm_device *, 540 struct drm_file *file_priv); 541 int (*dma_ioctl)(struct drm_device *dev, void *data, 542 struct drm_file *file_priv); 543 void (*dma_ready)(struct drm_device *); 544 int (*dma_quiescent)(struct drm_device *); 545 int (*dma_flush_block_and_flush)(struct drm_device *, int context, 546 enum drm_lock_flags flags); 547 int (*dma_flush_unblock)(struct drm_device *, int context, 548 enum drm_lock_flags flags); 549 int (*context_ctor)(struct drm_device *dev, int context); 550 int (*context_dtor)(struct drm_device *dev, int context); 551 int (*kernel_context_switch)(struct drm_device *dev, int old, 552 int new); 553 int (*kernel_context_switch_unlock)(struct drm_device *dev); 554 void (*irq_preinstall)(struct drm_device *dev); 555 int (*irq_postinstall)(struct drm_device *dev); 556 void (*irq_uninstall)(struct drm_device *dev); 557 void (*irq_handler)(DRM_IRQ_ARGS); 558 u32 (*get_vblank_counter)(struct drm_device *dev, int crtc); 559 int (*enable_vblank)(struct drm_device *dev, int crtc); 560 void (*disable_vblank)(struct drm_device *dev, int crtc); 561 562 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ 563 564 /** 565 * Called by \c drm_device_is_agp. Typically used to determine if a 566 * card is really attached to AGP or not. 567 * 568 * \param dev DRM device handle 569 * 570 * \returns 571 * One of three values is returned depending on whether or not the 572 * card is absolutely \b not AGP (return of 0), absolutely \b is AGP 573 * (return of 1), or may or may not be AGP (return of 2). 574 */ 575 int (*device_is_agp) (struct drm_device * dev); 576 577 drm_ioctl_desc_t *ioctls; 578 int max_ioctl; 579 580 int buf_priv_size; 581 582 int major; 583 int minor; 584 int patchlevel; 585 const char *name; /* Simple driver name */ 586 const char *desc; /* Longer driver name */ 587 const char *date; /* Date of last major changes. */ 588 589 u32 driver_features; 590}; 591 592/* Length for the array of resource pointers for drm_get_resource_*. */ 593#define DRM_MAX_PCI_RESOURCE 6 594 595/** 596 * DRM device functions structure 597 */ 598struct drm_device { 599 struct drm_driver_info *driver; 600 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ 601 602 u_int16_t pci_device; /* PCI device id */ 603 u_int16_t pci_vendor; /* PCI vendor id */ 604 605 char *unique; /* Unique identifier: e.g., busid */ 606 int unique_len; /* Length of unique field */ 607 device_t device; /* Device instance from newbus */ 608 struct cdev *devnode; /* Device number for mknod */ 609 int if_version; /* Highest interface version set */ 610 611 int flags; /* Flags to open(2) */ 612 613 /* Locks */ 614 struct mtx vbl_lock; /* protects vblank operations */ 615 struct mtx dma_lock; /* protects dev->dma */ 616 struct mtx irq_lock; /* protects irq condition checks */ 617 struct mtx dev_lock; /* protects everything else */ 618 DRM_SPINTYPE drw_lock; 619 620 /* Usage Counters */ 621 int open_count; /* Outstanding files open */ 622 int buf_use; /* Buffers in use -- cannot alloc */ 623 624 /* Performance counters */ 625 unsigned long counters; 626 enum drm_stat_type types[15]; 627 atomic_t counts[15]; 628 629 /* Authentication */ 630 drm_file_list_t files; 631 drm_magic_head_t magiclist[DRM_HASH_SIZE]; 632 633 /* Linked list of mappable regions. Protected by dev_lock */ 634 drm_map_list_t maplist; 635 636 drm_local_map_t **context_sareas; 637 int max_context; 638 639 drm_lock_data_t lock; /* Information on hardware lock */ 640 641 /* DMA queues (contexts) */ 642 drm_device_dma_t *dma; /* Optional pointer for DMA support */ 643 644 /* Context support */ 645 int irq; /* Interrupt used by board */ 646 int irq_enabled; /* True if the irq handler is enabled */ 647 int msi_enabled; /* MSI enabled */ 648 int irqrid; /* Interrupt used by board */ 649 struct resource *irqr; /* Resource for interrupt used by board */ 650 void *irqh; /* Handle from bus_setup_intr */ 651 652 /* Storage of resource pointers for drm_get_resource_* */ 653 struct resource *pcir[DRM_MAX_PCI_RESOURCE]; 654 int pcirid[DRM_MAX_PCI_RESOURCE]; 655 656 int pci_domain; 657 int pci_bus; 658 int pci_slot; 659 int pci_func; 660 661 atomic_t context_flag; /* Context swapping flag */ 662 int last_context; /* Last current context */ 663 664 int vblank_disable_allowed; 665 struct callout vblank_disable_timer; 666 u32 max_vblank_count; /* size of vblank counter register */ 667 struct drm_vblank_info *vblank; /* per crtc vblank info */ 668 int num_crtcs; 669 670 struct sigio *buf_sigio; /* Processes waiting for SIGIO */ 671 672 /* Sysctl support */ 673 struct drm_sysctl_info *sysctl; 674 675 drm_agp_head_t *agp; 676 drm_sg_mem_t *sg; /* Scatter gather memory */ 677 atomic_t *ctx_bitmap; 678 void *dev_private; 679 unsigned int agp_buffer_token; 680 drm_local_map_t *agp_buffer_map; 681 682 struct unrhdr *drw_unrhdr; 683 /* RB tree of drawable infos */ 684 RB_HEAD(drawable_tree, bsd_drm_drawable_info) drw_head; 685}; 686 687static __inline__ int drm_core_check_feature(struct drm_device *dev, 688 int feature) 689{ 690 return ((dev->driver->driver_features & feature) ? 1 : 0); 691} 692 693#if __OS_HAS_AGP 694static inline int drm_core_has_AGP(struct drm_device *dev) 695{ 696 return drm_core_check_feature(dev, DRIVER_USE_AGP); 697} 698#else 699#define drm_core_has_AGP(dev) (0) 700#endif 701 702extern int drm_debug_flag; 703 704/* Device setup support (drm_drv.c) */ 705int drm_probe(device_t kdev, drm_pci_id_list_t *idlist); 706int drm_attach(device_t kdev, drm_pci_id_list_t *idlist); 707void drm_close(void *data); 708int drm_detach(device_t kdev); 709d_ioctl_t drm_ioctl; 710d_open_t drm_open; 711d_read_t drm_read; 712d_poll_t drm_poll; 713d_mmap_t drm_mmap; 714extern drm_local_map_t *drm_getsarea(struct drm_device *dev); 715 716/* File operations helpers (drm_fops.c) */ 717extern int drm_open_helper(struct cdev *kdev, int flags, int fmt, 718 DRM_STRUCTPROC *p, 719 struct drm_device *dev); 720 721/* Memory management support (drm_memory.c) */ 722void drm_mem_init(void); 723void drm_mem_uninit(void); 724void *drm_ioremap_wc(struct drm_device *dev, drm_local_map_t *map); 725void *drm_ioremap(struct drm_device *dev, drm_local_map_t *map); 726void drm_ioremapfree(drm_local_map_t *map); 727int drm_mtrr_add(unsigned long offset, size_t size, int flags); 728int drm_mtrr_del(int handle, unsigned long offset, size_t size, int flags); 729 730int drm_context_switch(struct drm_device *dev, int old, int new); 731int drm_context_switch_complete(struct drm_device *dev, int new); 732 733int drm_ctxbitmap_init(struct drm_device *dev); 734void drm_ctxbitmap_cleanup(struct drm_device *dev); 735void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle); 736int drm_ctxbitmap_next(struct drm_device *dev); 737 738/* Locking IOCTL support (drm_lock.c) */ 739int drm_lock_take(struct drm_lock_data *lock_data, 740 unsigned int context); 741int drm_lock_transfer(struct drm_lock_data *lock_data, 742 unsigned int context); 743int drm_lock_free(struct drm_lock_data *lock_data, 744 unsigned int context); 745 746/* Buffer management support (drm_bufs.c) */ 747unsigned long drm_get_resource_start(struct drm_device *dev, 748 unsigned int resource); 749unsigned long drm_get_resource_len(struct drm_device *dev, 750 unsigned int resource); 751void drm_rmmap(struct drm_device *dev, drm_local_map_t *map); 752int drm_order(unsigned long size); 753int drm_addmap(struct drm_device *dev, unsigned long offset, 754 unsigned long size, 755 enum drm_map_type type, enum drm_map_flags flags, 756 drm_local_map_t **map_ptr); 757int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc *request); 758int drm_addbufs_sg(struct drm_device *dev, struct drm_buf_desc *request); 759int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc *request); 760 761/* DMA support (drm_dma.c) */ 762int drm_dma_setup(struct drm_device *dev); 763void drm_dma_takedown(struct drm_device *dev); 764void drm_free_buffer(struct drm_device *dev, drm_buf_t *buf); 765void drm_reclaim_buffers(struct drm_device *dev, struct drm_file *file_priv); 766#define drm_core_reclaim_buffers drm_reclaim_buffers 767 768/* IRQ support (drm_irq.c) */ 769int drm_irq_install(struct drm_device *dev); 770int drm_irq_uninstall(struct drm_device *dev); 771irqreturn_t drm_irq_handler(DRM_IRQ_ARGS); 772void drm_driver_irq_preinstall(struct drm_device *dev); 773void drm_driver_irq_postinstall(struct drm_device *dev); 774void drm_driver_irq_uninstall(struct drm_device *dev); 775void drm_handle_vblank(struct drm_device *dev, int crtc); 776u32 drm_vblank_count(struct drm_device *dev, int crtc); 777int drm_vblank_get(struct drm_device *dev, int crtc); 778void drm_vblank_put(struct drm_device *dev, int crtc); 779void drm_vblank_cleanup(struct drm_device *dev); 780int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq); 781int drm_vblank_init(struct drm_device *dev, int num_crtcs); 782int drm_modeset_ctl(struct drm_device *dev, void *data, 783 struct drm_file *file_priv); 784 785/* AGP/PCI Express/GART support (drm_agpsupport.c) */ 786int drm_device_is_agp(struct drm_device *dev); 787int drm_device_is_pcie(struct drm_device *dev); 788drm_agp_head_t *drm_agp_init(void); 789int drm_agp_acquire(struct drm_device *dev); 790int drm_agp_release(struct drm_device *dev); 791int drm_agp_info(struct drm_device * dev, struct drm_agp_info *info); 792int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode); 793void *drm_agp_allocate_memory(size_t pages, u32 type); 794int drm_agp_free_memory(void *handle); 795int drm_agp_bind_memory(void *handle, off_t start); 796int drm_agp_unbind_memory(void *handle); 797int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request); 798int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request); 799int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request); 800int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request); 801 802/* Scatter Gather Support (drm_scatter.c) */ 803void drm_sg_cleanup(drm_sg_mem_t *entry); 804int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request); 805 806/* sysctl support (drm_sysctl.h) */ 807extern int drm_sysctl_init(struct drm_device *dev); 808extern int drm_sysctl_cleanup(struct drm_device *dev); 809 810/* ATI PCIGART support (ati_pcigart.c) */ 811int drm_ati_pcigart_init(struct drm_device *dev, 812 struct drm_ati_pcigart_info *gart_info); 813int drm_ati_pcigart_cleanup(struct drm_device *dev, 814 struct drm_ati_pcigart_info *gart_info); 815 816/* Locking IOCTL support (drm_drv.c) */ 817int drm_lock(struct drm_device *dev, void *data, 818 struct drm_file *file_priv); 819int drm_unlock(struct drm_device *dev, void *data, 820 struct drm_file *file_priv); 821int drm_version(struct drm_device *dev, void *data, 822 struct drm_file *file_priv); 823int drm_setversion(struct drm_device *dev, void *data, 824 struct drm_file *file_priv); 825 826/* Misc. IOCTL support (drm_ioctl.c) */ 827int drm_irq_by_busid(struct drm_device *dev, void *data, 828 struct drm_file *file_priv); 829int drm_getunique(struct drm_device *dev, void *data, 830 struct drm_file *file_priv); 831int drm_setunique(struct drm_device *dev, void *data, 832 struct drm_file *file_priv); 833int drm_getmap(struct drm_device *dev, void *data, 834 struct drm_file *file_priv); 835int drm_getclient(struct drm_device *dev, void *data, 836 struct drm_file *file_priv); 837int drm_getstats(struct drm_device *dev, void *data, 838 struct drm_file *file_priv); 839int drm_noop(struct drm_device *dev, void *data, 840 struct drm_file *file_priv); 841 842/* Context IOCTL support (drm_context.c) */ 843int drm_resctx(struct drm_device *dev, void *data, 844 struct drm_file *file_priv); 845int drm_addctx(struct drm_device *dev, void *data, 846 struct drm_file *file_priv); 847int drm_modctx(struct drm_device *dev, void *data, 848 struct drm_file *file_priv); 849int drm_getctx(struct drm_device *dev, void *data, 850 struct drm_file *file_priv); 851int drm_switchctx(struct drm_device *dev, void *data, 852 struct drm_file *file_priv); 853int drm_newctx(struct drm_device *dev, void *data, 854 struct drm_file *file_priv); 855int drm_rmctx(struct drm_device *dev, void *data, 856 struct drm_file *file_priv); 857int drm_setsareactx(struct drm_device *dev, void *data, 858 struct drm_file *file_priv); 859int drm_getsareactx(struct drm_device *dev, void *data, 860 struct drm_file *file_priv); 861 862/* Drawable IOCTL support (drm_drawable.c) */ 863int drm_adddraw(struct drm_device *dev, void *data, 864 struct drm_file *file_priv); 865int drm_rmdraw(struct drm_device *dev, void *data, 866 struct drm_file *file_priv); 867int drm_update_draw(struct drm_device *dev, void *data, 868 struct drm_file *file_priv); 869struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev, 870 int handle); 871 872/* Drawable support (drm_drawable.c) */ 873void drm_drawable_free_all(struct drm_device *dev); 874 875/* Authentication IOCTL support (drm_auth.c) */ 876int drm_getmagic(struct drm_device *dev, void *data, 877 struct drm_file *file_priv); 878int drm_authmagic(struct drm_device *dev, void *data, 879 struct drm_file *file_priv); 880 881/* Buffer management support (drm_bufs.c) */ 882int drm_addmap_ioctl(struct drm_device *dev, void *data, 883 struct drm_file *file_priv); 884int drm_rmmap_ioctl(struct drm_device *dev, void *data, 885 struct drm_file *file_priv); 886int drm_addbufs(struct drm_device *dev, void *data, 887 struct drm_file *file_priv); 888int drm_infobufs(struct drm_device *dev, void *data, 889 struct drm_file *file_priv); 890int drm_markbufs(struct drm_device *dev, void *data, 891 struct drm_file *file_priv); 892int drm_freebufs(struct drm_device *dev, void *data, 893 struct drm_file *file_priv); 894int drm_mapbufs(struct drm_device *dev, void *data, 895 struct drm_file *file_priv); 896 897/* DMA support (drm_dma.c) */ 898int drm_dma(struct drm_device *dev, void *data, struct drm_file *file_priv); 899 900/* IRQ support (drm_irq.c) */ 901int drm_control(struct drm_device *dev, void *data, 902 struct drm_file *file_priv); 903int drm_wait_vblank(struct drm_device *dev, void *data, 904 struct drm_file *file_priv); 905 906/* AGP/GART support (drm_agpsupport.c) */ 907int drm_agp_acquire_ioctl(struct drm_device *dev, void *data, 908 struct drm_file *file_priv); 909int drm_agp_release_ioctl(struct drm_device *dev, void *data, 910 struct drm_file *file_priv); 911int drm_agp_enable_ioctl(struct drm_device *dev, void *data, 912 struct drm_file *file_priv); 913int drm_agp_info_ioctl(struct drm_device *dev, void *data, 914 struct drm_file *file_priv); 915int drm_agp_alloc_ioctl(struct drm_device *dev, void *data, 916 struct drm_file *file_priv); 917int drm_agp_free_ioctl(struct drm_device *dev, void *data, 918 struct drm_file *file_priv); 919int drm_agp_unbind_ioctl(struct drm_device *dev, void *data, 920 struct drm_file *file_priv); 921int drm_agp_bind_ioctl(struct drm_device *dev, void *data, 922 struct drm_file *file_priv); 923 924/* Scatter Gather Support (drm_scatter.c) */ 925int drm_sg_alloc_ioctl(struct drm_device *dev, void *data, 926 struct drm_file *file_priv); 927int drm_sg_free(struct drm_device *dev, void *data, 928 struct drm_file *file_priv); 929 930/* consistent PCI memory functions (drm_pci.c) */ 931drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size, 932 size_t align, dma_addr_t maxaddr); 933void drm_pci_free(struct drm_device *dev, drm_dma_handle_t *dmah); 934 935/* Inline replacements for drm_alloc and friends */ 936static __inline__ void * 937drm_alloc(size_t size, struct malloc_type *area) 938{ 939 return malloc(size, area, M_NOWAIT); 940} 941 942static __inline__ void * 943drm_calloc(size_t nmemb, size_t size, struct malloc_type *area) 944{ 945 return malloc(size * nmemb, area, M_NOWAIT | M_ZERO); 946} 947 948static __inline__ void * 949drm_realloc(void *oldpt, size_t oldsize, size_t size, 950 struct malloc_type *area) 951{ 952 return reallocf(oldpt, size, area, M_NOWAIT); 953} 954 955static __inline__ void 956drm_free(void *pt, size_t size, struct malloc_type *area) 957{ 958 free(pt, area); 959} 960 961/* Inline replacements for DRM_IOREMAP macros */ 962static __inline__ void 963drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev) 964{ 965 map->handle = drm_ioremap_wc(dev, map); 966} 967static __inline__ void 968drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev) 969{ 970 map->handle = drm_ioremap(dev, map); 971} 972static __inline__ void 973drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev) 974{ 975 if ( map->handle && map->size ) 976 drm_ioremapfree(map); 977} 978 979static __inline__ struct drm_local_map * 980drm_core_findmap(struct drm_device *dev, unsigned long offset) 981{ 982 drm_local_map_t *map; 983 984 DRM_SPINLOCK_ASSERT(&dev->dev_lock); 985 TAILQ_FOREACH(map, &dev->maplist, link) { 986 if (map->offset == offset) 987 return map; 988 } 989 return NULL; 990} 991 992static __inline__ void drm_core_dropmap(struct drm_map *map) 993{ 994} 995 996#endif /* __KERNEL__ */ 997#endif /* _DRM_P_H_ */ 998