drmP.h revision 286640
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 286640 2015-08-11 16:51:44Z kwm $"); 36 37#ifndef _DRM_P_H_ 38#define _DRM_P_H_ 39 40#if defined(_KERNEL) || defined(__KERNEL__) 41 42struct drm_device; 43struct drm_file; 44 45#include <sys/param.h> 46#include <sys/queue.h> 47#include <sys/malloc.h> 48#include <sys/kernel.h> 49#include <sys/module.h> 50#include <sys/systm.h> 51#include <sys/conf.h> 52#include <sys/sglist.h> 53#include <sys/stat.h> 54#include <sys/priv.h> 55#include <sys/proc.h> 56#include <sys/lock.h> 57#include <sys/fcntl.h> 58#include <sys/uio.h> 59#include <sys/filio.h> 60#include <sys/rwlock.h> 61#include <sys/sysctl.h> 62#include <sys/bus.h> 63#include <sys/queue.h> 64#include <sys/signalvar.h> 65#include <sys/poll.h> 66#include <sys/taskqueue.h> 67#include <sys/tree.h> 68#include <vm/vm.h> 69#include <vm/pmap.h> 70#include <vm/vm_extern.h> 71#include <vm/vm_kern.h> 72#include <vm/vm_map.h> 73#include <vm/vm_object.h> 74#include <vm/vm_page.h> 75#include <vm/vm_pager.h> 76#include <vm/vm_param.h> 77#include <vm/vm_phys.h> 78#include <machine/param.h> 79#include <machine/pmap.h> 80#include <machine/bus.h> 81#include <machine/resource.h> 82#if defined(__i386__) || defined(__amd64__) 83#include <machine/specialreg.h> 84#endif 85#include <machine/sysarch.h> 86#include <sys/endian.h> 87#if _BYTE_ORDER == _BIG_ENDIAN 88#define __BIG_ENDIAN 1 89#else 90#define __LITTLE_ENDIAN 1 91#endif 92#include <sys/mman.h> 93#include <sys/rman.h> 94#include <sys/memrange.h> 95#include <dev/agp/agpvar.h> 96#include <sys/agpio.h> 97#include <sys/mutex.h> 98#include <dev/pci/pcivar.h> 99#include <dev/pci/pcireg.h> 100#include <sys/selinfo.h> 101#include <sys/bus.h> 102 103#include "dev/drm/drm.h" 104#include "dev/drm/drm_atomic.h" 105#include "dev/drm/drm_internal.h" 106#include "dev/drm/drm_linux_list.h" 107 108#include <opt_drm.h> 109#ifdef DRM_DEBUG 110#undef DRM_DEBUG 111#define DRM_DEBUG_DEFAULT_ON 1 112#endif /* DRM_DEBUG */ 113 114#if defined(DRM_LINUX) && DRM_LINUX && !defined(__amd64__) 115#include <sys/file.h> 116#include <sys/proc.h> 117#include <machine/../linux/linux.h> 118#include <machine/../linux/linux_proto.h> 119#else 120/* Either it was defined when it shouldn't be (FreeBSD amd64) or it isn't 121 * supported on this OS yet. 122 */ 123#undef DRM_LINUX 124#define DRM_LINUX 0 125#endif 126 127/* driver capabilities and requirements mask */ 128#define DRIVER_USE_AGP 0x1 129#define DRIVER_REQUIRE_AGP 0x2 130#define DRIVER_USE_MTRR 0x4 131#define DRIVER_PCI_DMA 0x8 132#define DRIVER_SG 0x10 133#define DRIVER_HAVE_DMA 0x20 134#define DRIVER_HAVE_IRQ 0x40 135#define DRIVER_DMA_QUEUE 0x100 136 137 138#define DRM_HASH_SIZE 16 /* Size of key hash table */ 139#define DRM_KERNEL_CONTEXT 0 /* Change drm_resctx if changed */ 140#define DRM_RESERVED_CONTEXTS 1 /* Change drm_resctx if changed */ 141 142MALLOC_DECLARE(DRM_MEM_DMA); 143MALLOC_DECLARE(DRM_MEM_SAREA); 144MALLOC_DECLARE(DRM_MEM_DRIVER); 145MALLOC_DECLARE(DRM_MEM_MAGIC); 146MALLOC_DECLARE(DRM_MEM_IOCTLS); 147MALLOC_DECLARE(DRM_MEM_MAPS); 148MALLOC_DECLARE(DRM_MEM_BUFS); 149MALLOC_DECLARE(DRM_MEM_SEGS); 150MALLOC_DECLARE(DRM_MEM_PAGES); 151MALLOC_DECLARE(DRM_MEM_FILES); 152MALLOC_DECLARE(DRM_MEM_QUEUES); 153MALLOC_DECLARE(DRM_MEM_CMDS); 154MALLOC_DECLARE(DRM_MEM_MAPPINGS); 155MALLOC_DECLARE(DRM_MEM_BUFLISTS); 156MALLOC_DECLARE(DRM_MEM_AGPLISTS); 157MALLOC_DECLARE(DRM_MEM_CTXBITMAP); 158MALLOC_DECLARE(DRM_MEM_SGLISTS); 159MALLOC_DECLARE(DRM_MEM_DRAWABLE); 160MALLOC_DECLARE(DRM_MEM_MM); 161MALLOC_DECLARE(DRM_MEM_HASHTAB); 162 163SYSCTL_DECL(_hw_drm); 164 165#define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) 166 167 /* Internal types and structures */ 168#define DRM_ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) 169#define DRM_MIN(a,b) ((a)<(b)?(a):(b)) 170#define DRM_MAX(a,b) ((a)>(b)?(a):(b)) 171 172#define DRM_IF_VERSION(maj, min) (maj << 16 | min) 173 174#define __OS_HAS_AGP 1 175 176#define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP) 177#define DRM_DEV_UID UID_ROOT 178#define DRM_DEV_GID GID_VIDEO 179 180#define wait_queue_head_t atomic_t 181#define DRM_WAKEUP(w) wakeup((void *)w) 182#define DRM_WAKEUP_INT(w) wakeup(w) 183#define DRM_INIT_WAITQUEUE(queue) do {(void)(queue);} while (0) 184 185#define DRM_CURPROC curthread 186#define DRM_STRUCTPROC struct thread 187#define DRM_SPINTYPE struct mtx 188#define DRM_SPININIT(l,name) mtx_init(l, name, NULL, MTX_DEF) 189#define DRM_SPINUNINIT(l) mtx_destroy(l) 190#define DRM_SPINLOCK(l) mtx_lock(l) 191#define DRM_SPINUNLOCK(u) mtx_unlock(u) 192#define DRM_SPINLOCK_IRQSAVE(l, irqflags) do { \ 193 mtx_lock(l); \ 194 (void)irqflags; \ 195} while (0) 196#define DRM_SPINUNLOCK_IRQRESTORE(u, irqflags) mtx_unlock(u) 197#define DRM_SPINLOCK_ASSERT(l) mtx_assert(l, MA_OWNED) 198#define DRM_CURRENTPID curthread->td_proc->p_pid 199#define DRM_LOCK() mtx_lock(&dev->dev_lock) 200#define DRM_UNLOCK() mtx_unlock(&dev->dev_lock) 201#define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS) 202 203#define DRM_IRQ_ARGS void *arg 204typedef void irqreturn_t; 205#define IRQ_HANDLED /* nothing */ 206#define IRQ_NONE /* nothing */ 207 208#define unlikely(x) __builtin_expect(!!(x), 0) 209#define container_of(ptr, type, member) ({ \ 210 __typeof( ((type *)0)->member ) *__mptr = (ptr); \ 211 (type *)( (char *)__mptr - offsetof(type,member) );}) 212 213enum { 214 DRM_IS_NOT_AGP, 215 DRM_IS_AGP, 216 DRM_MIGHT_BE_AGP 217}; 218#define DRM_AGP_MEM struct agp_memory_info 219 220#define drm_get_device_from_kdev(_kdev) (_kdev->si_drv1) 221 222#define PAGE_ALIGN(addr) round_page(addr) 223/* DRM_SUSER returns true if the user is superuser */ 224#define DRM_SUSER(p) (priv_check(p, PRIV_DRIVER) == 0) 225#define DRM_AGP_FIND_DEVICE() agp_find_device() 226#define DRM_MTRR_WC MDF_WRITECOMBINE 227#define jiffies ticks 228 229typedef vm_paddr_t dma_addr_t; 230typedef u_int64_t u64; 231typedef u_int32_t u32; 232typedef u_int16_t u16; 233typedef u_int8_t u8; 234 235/* DRM_READMEMORYBARRIER() prevents reordering of reads. 236 * DRM_WRITEMEMORYBARRIER() prevents reordering of writes. 237 * DRM_MEMORYBARRIER() prevents reordering of reads and writes. 238 */ 239#define DRM_READMEMORYBARRIER() rmb() 240#define DRM_WRITEMEMORYBARRIER() wmb() 241#define DRM_MEMORYBARRIER() mb() 242 243#define DRM_READ8(map, offset) \ 244 *(volatile u_int8_t *)(((vm_offset_t)(map)->virtual) + \ 245 (vm_offset_t)(offset)) 246#define DRM_READ16(map, offset) \ 247 le16toh(*(volatile u_int16_t *)(((vm_offset_t)(map)->virtual) + \ 248 (vm_offset_t)(offset))) 249#define DRM_READ32(map, offset) \ 250 le32toh(*(volatile u_int32_t *)(((vm_offset_t)(map)->virtual) + \ 251 (vm_offset_t)(offset))) 252#define DRM_WRITE8(map, offset, val) \ 253 *(volatile u_int8_t *)(((vm_offset_t)(map)->virtual) + \ 254 (vm_offset_t)(offset)) = val 255#define DRM_WRITE16(map, offset, val) \ 256 *(volatile u_int16_t *)(((vm_offset_t)(map)->virtual) + \ 257 (vm_offset_t)(offset)) = htole16(val) 258#define DRM_WRITE32(map, offset, val) \ 259 *(volatile u_int32_t *)(((vm_offset_t)(map)->virtual) + \ 260 (vm_offset_t)(offset)) = htole32(val) 261 262#define DRM_VERIFYAREA_READ( uaddr, size ) \ 263 (!useracc(__DECONST(caddr_t, uaddr), size, VM_PROT_READ)) 264 265#define DRM_COPY_TO_USER(user, kern, size) \ 266 copyout(kern, user, size) 267#define DRM_COPY_FROM_USER(kern, user, size) \ 268 copyin(user, kern, size) 269#define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \ 270 copyin(arg2, arg1, arg3) 271#define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \ 272 copyout(arg2, arg1, arg3) 273#define DRM_GET_USER_UNCHECKED(val, uaddr) \ 274 ((val) = fuword32(uaddr), 0) 275 276#define cpu_to_le32(x) htole32(x) 277#define le32_to_cpu(x) le32toh(x) 278 279#define DRM_HZ hz 280#define DRM_UDELAY(udelay) DELAY(udelay) 281#define DRM_TIME_SLICE (hz/20) /* Time slice for GLXContexts */ 282 283#define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \ 284 (_map) = (_dev)->context_sareas[_ctx]; \ 285} while(0) 286 287#define LOCK_TEST_WITH_RETURN(dev, file_priv) \ 288do { \ 289 if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \ 290 dev->lock.file_priv != file_priv) { \ 291 DRM_ERROR("%s called without lock held\n", \ 292 __FUNCTION__); \ 293 return EINVAL; \ 294 } \ 295} while (0) 296 297/* Returns -errno to shared code */ 298#define DRM_WAIT_ON( ret, queue, timeout, condition ) \ 299for ( ret = 0 ; !ret && !(condition) ; ) { \ 300 DRM_UNLOCK(); \ 301 mtx_lock(&dev->irq_lock); \ 302 if (!(condition)) \ 303 ret = -mtx_sleep(&(queue), &dev->irq_lock, \ 304 PCATCH, "drmwtq", (timeout)); \ 305 mtx_unlock(&dev->irq_lock); \ 306 DRM_LOCK(); \ 307} 308 309#define DRM_ERROR(fmt, ...) \ 310 printf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt, \ 311 DRM_CURRENTPID, __func__ , ##__VA_ARGS__) 312 313#define DRM_INFO(fmt, ...) printf("info: [" DRM_NAME "] " fmt , ##__VA_ARGS__) 314 315#define DRM_DEBUG(fmt, ...) do { \ 316 if (drm_debug_flag) \ 317 printf("[" DRM_NAME ":pid%d:%s] " fmt, DRM_CURRENTPID, \ 318 __func__ , ##__VA_ARGS__); \ 319} while (0) 320 321typedef struct drm_pci_id_list 322{ 323 int vendor; 324 int device; 325 long driver_private; 326 char *name; 327} drm_pci_id_list_t; 328 329struct drm_msi_blacklist_entry 330{ 331 int vendor; 332 int device; 333}; 334 335#define DRM_AUTH 0x1 336#define DRM_MASTER 0x2 337#define DRM_ROOT_ONLY 0x4 338typedef struct drm_ioctl_desc { 339 unsigned long cmd; 340 int (*func)(struct drm_device *dev, void *data, 341 struct drm_file *file_priv); 342 int flags; 343} drm_ioctl_desc_t; 344/** 345 * Creates a driver or general drm_ioctl_desc array entry for the given 346 * ioctl, for use by drm_ioctl(). 347 */ 348#define DRM_IOCTL_DEF(ioctl, func, flags) \ 349 [DRM_IOCTL_NR(ioctl)] = {ioctl, func, flags} 350 351typedef struct drm_magic_entry { 352 drm_magic_t magic; 353 struct drm_file *priv; 354 struct drm_magic_entry *next; 355} drm_magic_entry_t; 356 357typedef struct drm_magic_head { 358 struct drm_magic_entry *head; 359 struct drm_magic_entry *tail; 360} drm_magic_head_t; 361 362typedef struct drm_buf { 363 int idx; /* Index into master buflist */ 364 int total; /* Buffer size */ 365 int order; /* log-base-2(total) */ 366 int used; /* Amount of buffer in use (for DMA) */ 367 unsigned long offset; /* Byte offset (used internally) */ 368 void *address; /* Address of buffer */ 369 unsigned long bus_address; /* Bus address of buffer */ 370 struct drm_buf *next; /* Kernel-only: used for free list */ 371 __volatile__ int pending; /* On hardware DMA queue */ 372 struct drm_file *file_priv; /* Unique identifier of holding process */ 373 int context; /* Kernel queue for this buffer */ 374 enum { 375 DRM_LIST_NONE = 0, 376 DRM_LIST_FREE = 1, 377 DRM_LIST_WAIT = 2, 378 DRM_LIST_PEND = 3, 379 DRM_LIST_PRIO = 4, 380 DRM_LIST_RECLAIM = 5 381 } list; /* Which list we're on */ 382 383 int dev_priv_size; /* Size of buffer private stoarge */ 384 void *dev_private; /* Per-buffer private storage */ 385} drm_buf_t; 386 387typedef struct drm_freelist { 388 int initialized; /* Freelist in use */ 389 atomic_t count; /* Number of free buffers */ 390 drm_buf_t *next; /* End pointer */ 391 392 int low_mark; /* Low water mark */ 393 int high_mark; /* High water mark */ 394} drm_freelist_t; 395 396typedef struct drm_dma_handle { 397 void *vaddr; 398 bus_addr_t busaddr; 399 bus_dma_tag_t tag; 400 bus_dmamap_t map; 401} drm_dma_handle_t; 402 403typedef struct drm_buf_entry { 404 int buf_size; 405 int buf_count; 406 drm_buf_t *buflist; 407 int seg_count; 408 drm_dma_handle_t **seglist; 409 int page_order; 410 411 drm_freelist_t freelist; 412} drm_buf_entry_t; 413 414typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t; 415struct drm_file { 416 TAILQ_ENTRY(drm_file) link; 417 struct drm_device *dev; 418 int authenticated; 419 int master; 420 pid_t pid; 421 uid_t uid; 422 drm_magic_t magic; 423 unsigned long ioctl_count; 424 void *driver_priv; 425}; 426 427typedef struct drm_lock_data { 428 struct drm_hw_lock *hw_lock; /* Hardware lock */ 429 struct drm_file *file_priv; /* Unique identifier of holding process (NULL is kernel)*/ 430 int lock_queue; /* Queue of blocked processes */ 431 unsigned long lock_time; /* Time of last lock in jiffies */ 432} drm_lock_data_t; 433 434/* This structure, in the struct drm_device, is always initialized while the 435 * device 436 * is open. dev->dma_lock protects the incrementing of dev->buf_use, which 437 * when set marks that no further bufs may be allocated until device teardown 438 * occurs (when the last open of the device has closed). The high/low 439 * watermarks of bufs are only touched by the X Server, and thus not 440 * concurrently accessed, so no locking is needed. 441 */ 442typedef struct drm_device_dma { 443 drm_buf_entry_t bufs[DRM_MAX_ORDER+1]; 444 int buf_count; 445 drm_buf_t **buflist; /* Vector of pointers info bufs */ 446 int seg_count; 447 int page_count; 448 unsigned long *pagelist; 449 unsigned long byte_count; 450 enum { 451 _DRM_DMA_USE_AGP = 0x01, 452 _DRM_DMA_USE_SG = 0x02 453 } flags; 454} drm_device_dma_t; 455 456typedef struct drm_agp_mem { 457 void *handle; 458 unsigned long bound; /* address */ 459 int pages; 460 struct drm_agp_mem *prev; 461 struct drm_agp_mem *next; 462} drm_agp_mem_t; 463 464typedef struct drm_agp_head { 465 device_t agpdev; 466 struct agp_info info; 467 const char *chipset; 468 drm_agp_mem_t *memory; 469 unsigned long mode; 470 int enabled; 471 int acquired; 472 unsigned long base; 473 int mtrr; 474 int cant_use_aperture; 475 unsigned long page_mask; 476} drm_agp_head_t; 477 478typedef struct drm_sg_mem { 479 vm_offset_t vaddr; 480 vm_paddr_t *busaddr; 481 vm_pindex_t pages; 482} drm_sg_mem_t; 483 484#define DRM_MAP_HANDLE_BITS (sizeof(void *) == 4 ? 4 : 24) 485#define DRM_MAP_HANDLE_SHIFT (sizeof(void *) * 8 - DRM_MAP_HANDLE_BITS) 486typedef TAILQ_HEAD(drm_map_list, drm_local_map) drm_map_list_t; 487 488typedef struct drm_local_map { 489 unsigned long offset; /* Physical address (0 for SAREA) */ 490 unsigned long size; /* Physical size (bytes) */ 491 enum drm_map_type type; /* Type of memory mapped */ 492 enum drm_map_flags flags; /* Flags */ 493 void *handle; /* User-space: "Handle" to pass to mmap */ 494 /* Kernel-space: kernel-virtual address */ 495 int mtrr; /* Boolean: MTRR used */ 496 /* Private data */ 497 int rid; /* PCI resource ID for bus_space */ 498 void *virtual; /* Kernel-space: kernel-virtual address */ 499 struct resource *bsr; 500 bus_space_tag_t bst; 501 bus_space_handle_t bsh; 502 drm_dma_handle_t *dmah; 503 TAILQ_ENTRY(drm_local_map) link; 504} drm_local_map_t; 505 506struct drm_vblank_info { 507 wait_queue_head_t queue; /* vblank wait queue */ 508 atomic_t count; /* number of VBLANK interrupts */ 509 /* (driver must alloc the right number of counters) */ 510 atomic_t refcount; /* number of users of vblank interrupts */ 511 u32 last; /* protected by dev->vbl_lock, used */ 512 /* for wraparound handling */ 513 int enabled; /* so we don't call enable more than */ 514 /* once per disable */ 515 int inmodeset; /* Display driver is setting mode */ 516}; 517 518/* location of GART table */ 519#define DRM_ATI_GART_MAIN 1 520#define DRM_ATI_GART_FB 2 521 522#define DRM_ATI_GART_PCI 1 523#define DRM_ATI_GART_PCIE 2 524#define DRM_ATI_GART_IGP 3 525 526struct drm_ati_pcigart_info { 527 int gart_table_location; 528 int gart_reg_if; 529 void *addr; 530 dma_addr_t bus_addr; 531 dma_addr_t table_mask; 532 dma_addr_t member_mask; 533 struct drm_dma_handle *table_handle; 534 drm_local_map_t mapping; 535 int table_size; 536 struct drm_dma_handle *dmah; /* handle for ATI PCIGART table */ 537}; 538 539#ifndef DMA_BIT_MASK 540#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : (1ULL<<(n)) - 1) 541#endif 542 543#define upper_32_bits(n) ((u32)(((n) >> 16) >> 16)) 544 545struct drm_driver_info { 546 int (*load)(struct drm_device *, unsigned long flags); 547 int (*firstopen)(struct drm_device *); 548 int (*open)(struct drm_device *, struct drm_file *); 549 void (*preclose)(struct drm_device *, struct drm_file *file_priv); 550 void (*postclose)(struct drm_device *, struct drm_file *); 551 void (*lastclose)(struct drm_device *); 552 int (*unload)(struct drm_device *); 553 void (*reclaim_buffers_locked)(struct drm_device *, 554 struct drm_file *file_priv); 555 int (*dma_ioctl)(struct drm_device *dev, void *data, 556 struct drm_file *file_priv); 557 void (*dma_ready)(struct drm_device *); 558 int (*dma_quiescent)(struct drm_device *); 559 int (*dma_flush_block_and_flush)(struct drm_device *, int context, 560 enum drm_lock_flags flags); 561 int (*dma_flush_unblock)(struct drm_device *, int context, 562 enum drm_lock_flags flags); 563 int (*context_ctor)(struct drm_device *dev, int context); 564 int (*context_dtor)(struct drm_device *dev, int context); 565 int (*kernel_context_switch)(struct drm_device *dev, int old, 566 int new); 567 int (*kernel_context_switch_unlock)(struct drm_device *dev); 568 void (*irq_preinstall)(struct drm_device *dev); 569 int (*irq_postinstall)(struct drm_device *dev); 570 void (*irq_uninstall)(struct drm_device *dev); 571 void (*irq_handler)(DRM_IRQ_ARGS); 572 u32 (*get_vblank_counter)(struct drm_device *dev, int crtc); 573 int (*enable_vblank)(struct drm_device *dev, int crtc); 574 void (*disable_vblank)(struct drm_device *dev, int crtc); 575 576 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ 577 578 /** 579 * Called by \c drm_device_is_agp. Typically used to determine if a 580 * card is really attached to AGP or not. 581 * 582 * \param dev DRM device handle 583 * 584 * \returns 585 * One of three values is returned depending on whether or not the 586 * card is absolutely \b not AGP (return of 0), absolutely \b is AGP 587 * (return of 1), or may or may not be AGP (return of 2). 588 */ 589 int (*device_is_agp) (struct drm_device * dev); 590 591 drm_ioctl_desc_t *ioctls; 592 int max_ioctl; 593 594 int buf_priv_size; 595 596 int major; 597 int minor; 598 int patchlevel; 599 const char *name; /* Simple driver name */ 600 const char *desc; /* Longer driver name */ 601 const char *date; /* Date of last major changes. */ 602 603 u32 driver_features; 604}; 605 606/* Length for the array of resource pointers for drm_get_resource_*. */ 607#define DRM_MAX_PCI_RESOURCE 6 608 609/** 610 * DRM device functions structure 611 */ 612struct drm_device { 613 struct drm_driver_info *driver; 614 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ 615 616 u_int16_t pci_device; /* PCI device id */ 617 u_int16_t pci_vendor; /* PCI vendor id */ 618 619 char *unique; /* Unique identifier: e.g., busid */ 620 int unique_len; /* Length of unique field */ 621 device_t device; /* Device instance from newbus */ 622 struct cdev *devnode; /* Device number for mknod */ 623 int if_version; /* Highest interface version set */ 624 625 int flags; /* Flags to open(2) */ 626 627 /* Locks */ 628 struct mtx vbl_lock; /* protects vblank operations */ 629 struct mtx dma_lock; /* protects dev->dma */ 630 struct mtx irq_lock; /* protects irq condition checks */ 631 struct mtx dev_lock; /* protects everything else */ 632 DRM_SPINTYPE drw_lock; 633 634 /* Usage Counters */ 635 int open_count; /* Outstanding files open */ 636 int buf_use; /* Buffers in use -- cannot alloc */ 637 638 /* Performance counters */ 639 unsigned long counters; 640 enum drm_stat_type types[15]; 641 atomic_t counts[15]; 642 643 /* Authentication */ 644 drm_file_list_t files; 645 drm_magic_head_t magiclist[DRM_HASH_SIZE]; 646 647 /* Linked list of mappable regions. Protected by dev_lock */ 648 drm_map_list_t maplist; 649 struct unrhdr *map_unrhdr; 650 651 drm_local_map_t **context_sareas; 652 int max_context; 653 654 drm_lock_data_t lock; /* Information on hardware lock */ 655 656 /* DMA queues (contexts) */ 657 drm_device_dma_t *dma; /* Optional pointer for DMA support */ 658 659 /* Context support */ 660 int irq; /* Interrupt used by board */ 661 int irq_enabled; /* True if the irq handler is enabled */ 662 int msi_enabled; /* MSI enabled */ 663 int irqrid; /* Interrupt used by board */ 664 struct resource *irqr; /* Resource for interrupt used by board */ 665 void *irqh; /* Handle from bus_setup_intr */ 666 667 /* Storage of resource pointers for drm_get_resource_* */ 668 struct resource *pcir[DRM_MAX_PCI_RESOURCE]; 669 int pcirid[DRM_MAX_PCI_RESOURCE]; 670 671 int pci_domain; 672 int pci_bus; 673 int pci_slot; 674 int pci_func; 675 676 atomic_t context_flag; /* Context swapping flag */ 677 int last_context; /* Last current context */ 678 679 int vblank_disable_allowed; 680 struct callout vblank_disable_timer; 681 u32 max_vblank_count; /* size of vblank counter register */ 682 struct drm_vblank_info *vblank; /* per crtc vblank info */ 683 int num_crtcs; 684 685 struct sigio *buf_sigio; /* Processes waiting for SIGIO */ 686 687 /* Sysctl support */ 688 struct drm_sysctl_info *sysctl; 689 690 drm_agp_head_t *agp; 691 drm_sg_mem_t *sg; /* Scatter gather memory */ 692 atomic_t *ctx_bitmap; 693 void *dev_private; 694 unsigned int agp_buffer_token; 695 drm_local_map_t *agp_buffer_map; 696 697 struct unrhdr *drw_unrhdr; 698 /* RB tree of drawable infos */ 699 RB_HEAD(drawable_tree, bsd_drm_drawable_info) drw_head; 700}; 701 702static __inline__ int drm_core_check_feature(struct drm_device *dev, 703 int feature) 704{ 705 return ((dev->driver->driver_features & feature) ? 1 : 0); 706} 707 708#if __OS_HAS_AGP 709static inline int drm_core_has_AGP(struct drm_device *dev) 710{ 711 return drm_core_check_feature(dev, DRIVER_USE_AGP); 712} 713#else 714#define drm_core_has_AGP(dev) (0) 715#endif 716 717extern int drm_debug_flag; 718 719/* Device setup support (drm_drv.c) */ 720int drm_probe(device_t kdev, drm_pci_id_list_t *idlist); 721int drm_attach(device_t kdev, drm_pci_id_list_t *idlist); 722void drm_close(void *data); 723int drm_detach(device_t kdev); 724d_ioctl_t drm_ioctl; 725d_open_t drm_open; 726d_read_t drm_read; 727d_poll_t drm_poll; 728d_mmap_t drm_mmap; 729extern drm_local_map_t *drm_getsarea(struct drm_device *dev); 730 731/* File operations helpers (drm_fops.c) */ 732extern int drm_open_helper(struct cdev *kdev, int flags, int fmt, 733 DRM_STRUCTPROC *p, 734 struct drm_device *dev); 735 736/* Memory management support (drm_memory.c) */ 737void drm_mem_init(void); 738void drm_mem_uninit(void); 739void *drm_ioremap_wc(struct drm_device *dev, drm_local_map_t *map); 740void *drm_ioremap(struct drm_device *dev, drm_local_map_t *map); 741void drm_ioremapfree(drm_local_map_t *map); 742int drm_mtrr_add(unsigned long offset, size_t size, int flags); 743int drm_mtrr_del(int handle, unsigned long offset, size_t size, int flags); 744 745int drm_context_switch(struct drm_device *dev, int old, int new); 746int drm_context_switch_complete(struct drm_device *dev, int new); 747 748int drm_ctxbitmap_init(struct drm_device *dev); 749void drm_ctxbitmap_cleanup(struct drm_device *dev); 750void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle); 751int drm_ctxbitmap_next(struct drm_device *dev); 752 753/* Locking IOCTL support (drm_lock.c) */ 754int drm_lock_take(struct drm_lock_data *lock_data, 755 unsigned int context); 756int drm_lock_transfer(struct drm_lock_data *lock_data, 757 unsigned int context); 758int drm_lock_free(struct drm_lock_data *lock_data, 759 unsigned int context); 760 761/* Buffer management support (drm_bufs.c) */ 762unsigned long drm_get_resource_start(struct drm_device *dev, 763 unsigned int resource); 764unsigned long drm_get_resource_len(struct drm_device *dev, 765 unsigned int resource); 766void drm_rmmap(struct drm_device *dev, drm_local_map_t *map); 767int drm_order(unsigned long size); 768int drm_addmap(struct drm_device *dev, unsigned long offset, 769 unsigned long size, 770 enum drm_map_type type, enum drm_map_flags flags, 771 drm_local_map_t **map_ptr); 772int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc *request); 773int drm_addbufs_sg(struct drm_device *dev, struct drm_buf_desc *request); 774int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc *request); 775 776/* DMA support (drm_dma.c) */ 777int drm_dma_setup(struct drm_device *dev); 778void drm_dma_takedown(struct drm_device *dev); 779void drm_free_buffer(struct drm_device *dev, drm_buf_t *buf); 780void drm_reclaim_buffers(struct drm_device *dev, struct drm_file *file_priv); 781#define drm_core_reclaim_buffers drm_reclaim_buffers 782 783/* IRQ support (drm_irq.c) */ 784int drm_irq_install(struct drm_device *dev); 785int drm_irq_uninstall(struct drm_device *dev); 786irqreturn_t drm_irq_handler(DRM_IRQ_ARGS); 787void drm_driver_irq_preinstall(struct drm_device *dev); 788void drm_driver_irq_postinstall(struct drm_device *dev); 789void drm_driver_irq_uninstall(struct drm_device *dev); 790void drm_handle_vblank(struct drm_device *dev, int crtc); 791u32 drm_vblank_count(struct drm_device *dev, int crtc); 792int drm_vblank_get(struct drm_device *dev, int crtc); 793void drm_vblank_put(struct drm_device *dev, int crtc); 794void drm_vblank_cleanup(struct drm_device *dev); 795int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq); 796int drm_vblank_init(struct drm_device *dev, int num_crtcs); 797int drm_modeset_ctl(struct drm_device *dev, void *data, 798 struct drm_file *file_priv); 799 800/* AGP/PCI Express/GART support (drm_agpsupport.c) */ 801int drm_device_is_agp(struct drm_device *dev); 802int drm_device_is_pcie(struct drm_device *dev); 803drm_agp_head_t *drm_agp_init(void); 804int drm_agp_acquire(struct drm_device *dev); 805int drm_agp_release(struct drm_device *dev); 806int drm_agp_info(struct drm_device * dev, struct drm_agp_info *info); 807int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode); 808void *drm_agp_allocate_memory(size_t pages, u32 type); 809int drm_agp_free_memory(void *handle); 810int drm_agp_bind_memory(void *handle, off_t start); 811int drm_agp_unbind_memory(void *handle); 812int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request); 813int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request); 814int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request); 815int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request); 816 817/* Scatter Gather Support (drm_scatter.c) */ 818void drm_sg_cleanup(drm_sg_mem_t *entry); 819int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request); 820 821/* sysctl support (drm_sysctl.h) */ 822extern int drm_sysctl_init(struct drm_device *dev); 823extern int drm_sysctl_cleanup(struct drm_device *dev); 824 825/* ATI PCIGART support (ati_pcigart.c) */ 826int drm_ati_pcigart_init(struct drm_device *dev, 827 struct drm_ati_pcigart_info *gart_info); 828int drm_ati_pcigart_cleanup(struct drm_device *dev, 829 struct drm_ati_pcigart_info *gart_info); 830 831/* Locking IOCTL support (drm_drv.c) */ 832int drm_lock(struct drm_device *dev, void *data, 833 struct drm_file *file_priv); 834int drm_unlock(struct drm_device *dev, void *data, 835 struct drm_file *file_priv); 836int drm_version(struct drm_device *dev, void *data, 837 struct drm_file *file_priv); 838int drm_setversion(struct drm_device *dev, void *data, 839 struct drm_file *file_priv); 840 841/* Misc. IOCTL support (drm_ioctl.c) */ 842int drm_irq_by_busid(struct drm_device *dev, void *data, 843 struct drm_file *file_priv); 844int drm_getunique(struct drm_device *dev, void *data, 845 struct drm_file *file_priv); 846int drm_setunique(struct drm_device *dev, void *data, 847 struct drm_file *file_priv); 848int drm_getmap(struct drm_device *dev, void *data, 849 struct drm_file *file_priv); 850int drm_getclient(struct drm_device *dev, void *data, 851 struct drm_file *file_priv); 852int drm_getstats(struct drm_device *dev, void *data, 853 struct drm_file *file_priv); 854int drm_noop(struct drm_device *dev, void *data, 855 struct drm_file *file_priv); 856 857/* Context IOCTL support (drm_context.c) */ 858int drm_resctx(struct drm_device *dev, void *data, 859 struct drm_file *file_priv); 860int drm_addctx(struct drm_device *dev, void *data, 861 struct drm_file *file_priv); 862int drm_modctx(struct drm_device *dev, void *data, 863 struct drm_file *file_priv); 864int drm_getctx(struct drm_device *dev, void *data, 865 struct drm_file *file_priv); 866int drm_switchctx(struct drm_device *dev, void *data, 867 struct drm_file *file_priv); 868int drm_newctx(struct drm_device *dev, void *data, 869 struct drm_file *file_priv); 870int drm_rmctx(struct drm_device *dev, void *data, 871 struct drm_file *file_priv); 872int drm_setsareactx(struct drm_device *dev, void *data, 873 struct drm_file *file_priv); 874int drm_getsareactx(struct drm_device *dev, void *data, 875 struct drm_file *file_priv); 876 877/* Drawable IOCTL support (drm_drawable.c) */ 878int drm_adddraw(struct drm_device *dev, void *data, 879 struct drm_file *file_priv); 880int drm_rmdraw(struct drm_device *dev, void *data, 881 struct drm_file *file_priv); 882int drm_update_draw(struct drm_device *dev, void *data, 883 struct drm_file *file_priv); 884struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev, 885 int handle); 886 887/* Drawable support (drm_drawable.c) */ 888void drm_drawable_free_all(struct drm_device *dev); 889 890/* Authentication IOCTL support (drm_auth.c) */ 891int drm_getmagic(struct drm_device *dev, void *data, 892 struct drm_file *file_priv); 893int drm_authmagic(struct drm_device *dev, void *data, 894 struct drm_file *file_priv); 895 896/* Buffer management support (drm_bufs.c) */ 897int drm_addmap_ioctl(struct drm_device *dev, void *data, 898 struct drm_file *file_priv); 899int drm_rmmap_ioctl(struct drm_device *dev, void *data, 900 struct drm_file *file_priv); 901int drm_addbufs(struct drm_device *dev, void *data, 902 struct drm_file *file_priv); 903int drm_infobufs(struct drm_device *dev, void *data, 904 struct drm_file *file_priv); 905int drm_markbufs(struct drm_device *dev, void *data, 906 struct drm_file *file_priv); 907int drm_freebufs(struct drm_device *dev, void *data, 908 struct drm_file *file_priv); 909int drm_mapbufs(struct drm_device *dev, void *data, 910 struct drm_file *file_priv); 911 912/* DMA support (drm_dma.c) */ 913int drm_dma(struct drm_device *dev, void *data, struct drm_file *file_priv); 914 915/* IRQ support (drm_irq.c) */ 916int drm_control(struct drm_device *dev, void *data, 917 struct drm_file *file_priv); 918int drm_wait_vblank(struct drm_device *dev, void *data, 919 struct drm_file *file_priv); 920 921/* AGP/GART support (drm_agpsupport.c) */ 922int drm_agp_acquire_ioctl(struct drm_device *dev, void *data, 923 struct drm_file *file_priv); 924int drm_agp_release_ioctl(struct drm_device *dev, void *data, 925 struct drm_file *file_priv); 926int drm_agp_enable_ioctl(struct drm_device *dev, void *data, 927 struct drm_file *file_priv); 928int drm_agp_info_ioctl(struct drm_device *dev, void *data, 929 struct drm_file *file_priv); 930int drm_agp_alloc_ioctl(struct drm_device *dev, void *data, 931 struct drm_file *file_priv); 932int drm_agp_free_ioctl(struct drm_device *dev, void *data, 933 struct drm_file *file_priv); 934int drm_agp_unbind_ioctl(struct drm_device *dev, void *data, 935 struct drm_file *file_priv); 936int drm_agp_bind_ioctl(struct drm_device *dev, void *data, 937 struct drm_file *file_priv); 938 939/* Scatter Gather Support (drm_scatter.c) */ 940int drm_sg_alloc_ioctl(struct drm_device *dev, void *data, 941 struct drm_file *file_priv); 942int drm_sg_free(struct drm_device *dev, void *data, 943 struct drm_file *file_priv); 944 945/* consistent PCI memory functions (drm_pci.c) */ 946drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size, 947 size_t align, dma_addr_t maxaddr); 948void drm_pci_free(struct drm_device *dev, drm_dma_handle_t *dmah); 949 950/* Inline replacements for drm_alloc and friends */ 951static __inline__ void * 952drm_alloc(size_t size, struct malloc_type *area) 953{ 954 return malloc(size, area, M_NOWAIT); 955} 956 957static __inline__ void * 958drm_calloc(size_t nmemb, size_t size, struct malloc_type *area) 959{ 960 return malloc(size * nmemb, area, M_NOWAIT | M_ZERO); 961} 962 963static __inline__ void * 964drm_realloc(void *oldpt, size_t oldsize, size_t size, 965 struct malloc_type *area) 966{ 967 return reallocf(oldpt, size, area, M_NOWAIT); 968} 969 970static __inline__ void 971drm_free(void *pt, size_t size, struct malloc_type *area) 972{ 973 free(pt, area); 974} 975 976/* Inline replacements for DRM_IOREMAP macros */ 977static __inline__ void 978drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev) 979{ 980 map->virtual = drm_ioremap_wc(dev, map); 981} 982static __inline__ void 983drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev) 984{ 985 map->virtual = drm_ioremap(dev, map); 986} 987static __inline__ void 988drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev) 989{ 990 if ( map->virtual && map->size ) 991 drm_ioremapfree(map); 992} 993 994static __inline__ struct drm_local_map * 995drm_core_findmap(struct drm_device *dev, unsigned long offset) 996{ 997 drm_local_map_t *map; 998 999 DRM_SPINLOCK_ASSERT(&dev->dev_lock); 1000 TAILQ_FOREACH(map, &dev->maplist, link) { 1001 if (offset == (unsigned long)map->handle) 1002 return map; 1003 } 1004 return NULL; 1005} 1006 1007static __inline__ void drm_core_dropmap(struct drm_map *map) 1008{ 1009} 1010 1011#endif /* __KERNEL__ */ 1012#endif /* _DRM_P_H_ */ 1013