drmP.h revision 183573
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 183573 2008-10-03 16:59:11Z 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 <sys/taskqueue.h> 67#include <vm/vm.h> 68#include <vm/pmap.h> 69#include <vm/vm_extern.h> 70#include <vm/vm_map.h> 71#include <vm/vm_param.h> 72#include <machine/param.h> 73#include <machine/pmap.h> 74#include <machine/bus.h> 75#include <machine/resource.h> 76#include <machine/specialreg.h> 77#include <machine/sysarch.h> 78#include <sys/endian.h> 79#include <sys/mman.h> 80#include <sys/rman.h> 81#include <sys/memrange.h> 82#if __FreeBSD_version >= 800004 83#include <dev/agp/agpvar.h> 84#else /* __FreeBSD_version >= 800004 */ 85#include <pci/agpvar.h> 86#endif /* __FreeBSD_version >= 800004 */ 87#include <sys/agpio.h> 88#include <sys/mutex.h> 89#include <dev/pci/pcivar.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 */ 131 132#define DRM_MEM_DMA 0 133#define DRM_MEM_SAREA 1 134#define DRM_MEM_DRIVER 2 135#define DRM_MEM_MAGIC 3 136#define DRM_MEM_IOCTLS 4 137#define DRM_MEM_MAPS 5 138#define DRM_MEM_BUFS 6 139#define DRM_MEM_SEGS 7 140#define DRM_MEM_PAGES 8 141#define DRM_MEM_FILES 9 142#define DRM_MEM_QUEUES 10 143#define DRM_MEM_CMDS 11 144#define DRM_MEM_MAPPINGS 12 145#define DRM_MEM_BUFLISTS 13 146#define DRM_MEM_AGPLISTS 14 147#define DRM_MEM_TOTALAGP 15 148#define DRM_MEM_BOUNDAGP 16 149#define DRM_MEM_CTXBITMAP 17 150#define DRM_MEM_STUB 18 151#define DRM_MEM_SGLISTS 19 152#define DRM_MEM_DRAWABLE 20 153 154#define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) 155 156 /* Internal types and structures */ 157#define DRM_ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) 158#define DRM_MIN(a,b) ((a)<(b)?(a):(b)) 159#define DRM_MAX(a,b) ((a)>(b)?(a):(b)) 160 161#define DRM_IF_VERSION(maj, min) (maj << 16 | min) 162 163MALLOC_DECLARE(M_DRM); 164 165#define __OS_HAS_AGP 1 166 167#define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP) 168#define DRM_DEV_UID 0 169#define DRM_DEV_GID 0 170 171#define wait_queue_head_t atomic_t 172#define DRM_WAKEUP(w) wakeup((void *)w) 173#define DRM_WAKEUP_INT(w) wakeup(w) 174#define DRM_INIT_WAITQUEUE(queue) do {(void)(queue);} while (0) 175 176#define DRM_CURPROC curthread 177#define DRM_STRUCTPROC struct thread 178#define DRM_SPINTYPE struct mtx 179#define DRM_SPININIT(l,name) mtx_init(l, name, NULL, MTX_DEF) 180#define DRM_SPINUNINIT(l) mtx_destroy(l) 181#define DRM_SPINLOCK(l) mtx_lock(l) 182#define DRM_SPINUNLOCK(u) mtx_unlock(u) 183#define DRM_SPINLOCK_IRQSAVE(l, irqflags) do { \ 184 mtx_lock(l); \ 185 (void)irqflags; \ 186} while (0) 187#define DRM_SPINUNLOCK_IRQRESTORE(u, irqflags) mtx_unlock(u) 188#define DRM_SPINLOCK_ASSERT(l) mtx_assert(l, MA_OWNED) 189#define DRM_CURRENTPID curthread->td_proc->p_pid 190#define DRM_LOCK() mtx_lock(&dev->dev_lock) 191#define DRM_UNLOCK() mtx_unlock(&dev->dev_lock) 192#define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS) 193 194#define DRM_IRQ_ARGS void *arg 195typedef void irqreturn_t; 196#define IRQ_HANDLED /* nothing */ 197#define IRQ_NONE /* nothing */ 198 199enum { 200 DRM_IS_NOT_AGP, 201 DRM_IS_AGP, 202 DRM_MIGHT_BE_AGP 203}; 204#define DRM_AGP_MEM struct agp_memory_info 205 206#define drm_get_device_from_kdev(_kdev) (_kdev->si_drv1) 207 208#define PAGE_ALIGN(addr) round_page(addr) 209/* DRM_SUSER returns true if the user is superuser */ 210#if __FreeBSD_version >= 700000 211#define DRM_SUSER(p) (priv_check(p, PRIV_DRIVER) == 0) 212#else 213#define DRM_SUSER(p) (suser(p) == 0) 214#endif 215#define DRM_AGP_FIND_DEVICE() agp_find_device() 216#define DRM_MTRR_WC MDF_WRITECOMBINE 217#define jiffies ticks 218 219/* Capabilities taken from src/sys/dev/pci/pcireg.h. */ 220#ifndef PCIY_AGP 221#define PCIY_AGP 0x02 222#endif 223 224#ifndef PCIY_EXPRESS 225#define PCIY_EXPRESS 0x10 226#endif 227 228typedef unsigned long dma_addr_t; 229typedef u_int64_t u64; 230typedef u_int32_t u32; 231typedef u_int16_t u16; 232typedef u_int8_t u8; 233 234/* DRM_READMEMORYBARRIER() prevents reordering of reads. 235 * DRM_WRITEMEMORYBARRIER() prevents reordering of writes. 236 * DRM_MEMORYBARRIER() prevents reordering of reads and writes. 237 */ 238#if defined(__i386__) 239#define DRM_READMEMORYBARRIER() __asm __volatile( \ 240 "lock; addl $0,0(%%esp)" : : : "memory"); 241#define DRM_WRITEMEMORYBARRIER() __asm __volatile("" : : : "memory"); 242#define DRM_MEMORYBARRIER() __asm __volatile( \ 243 "lock; addl $0,0(%%esp)" : : : "memory"); 244#elif defined(__alpha__) 245#define DRM_READMEMORYBARRIER() alpha_mb(); 246#define DRM_WRITEMEMORYBARRIER() alpha_wmb(); 247#define DRM_MEMORYBARRIER() alpha_mb(); 248#elif defined(__amd64__) 249#define DRM_READMEMORYBARRIER() __asm __volatile( \ 250 "lock; addl $0,0(%%rsp)" : : : "memory"); 251#define DRM_WRITEMEMORYBARRIER() __asm __volatile("" : : : "memory"); 252#define DRM_MEMORYBARRIER() __asm __volatile( \ 253 "lock; addl $0,0(%%rsp)" : : : "memory"); 254#endif 255 256#define DRM_READ8(map, offset) \ 257 *(volatile u_int8_t *) (((unsigned long)(map)->handle) + (offset)) 258#define DRM_READ16(map, offset) \ 259 *(volatile u_int16_t *) (((unsigned long)(map)->handle) + (offset)) 260#define DRM_READ32(map, offset) \ 261 *(volatile u_int32_t *)(((unsigned long)(map)->handle) + (offset)) 262#define DRM_WRITE8(map, offset, val) \ 263 *(volatile u_int8_t *) (((unsigned long)(map)->handle) + (offset)) = val 264#define DRM_WRITE16(map, offset, val) \ 265 *(volatile u_int16_t *) (((unsigned long)(map)->handle) + (offset)) = val 266#define DRM_WRITE32(map, offset, val) \ 267 *(volatile u_int32_t *)(((unsigned long)(map)->handle) + (offset)) = val 268 269#define DRM_VERIFYAREA_READ( uaddr, size ) \ 270 (!useracc(__DECONST(caddr_t, uaddr), size, VM_PROT_READ)) 271 272#define DRM_COPY_TO_USER(user, kern, size) \ 273 copyout(kern, user, size) 274#define DRM_COPY_FROM_USER(kern, user, size) \ 275 copyin(user, kern, size) 276#define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \ 277 copyin(arg2, arg1, arg3) 278#define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \ 279 copyout(arg2, arg1, arg3) 280#define DRM_GET_USER_UNCHECKED(val, uaddr) \ 281 ((val) = fuword32(uaddr), 0) 282 283#define cpu_to_le32(x) htole32(x) 284#define le32_to_cpu(x) le32toh(x) 285 286#define DRM_HZ hz 287#define DRM_UDELAY(udelay) DELAY(udelay) 288#define DRM_TIME_SLICE (hz/20) /* Time slice for GLXContexts */ 289 290#define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \ 291 (_map) = (_dev)->context_sareas[_ctx]; \ 292} while(0) 293 294#define LOCK_TEST_WITH_RETURN(dev, file_priv) \ 295do { \ 296 if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \ 297 dev->lock.file_priv != file_priv) { \ 298 DRM_ERROR("%s called without lock held\n", \ 299 __FUNCTION__); \ 300 return EINVAL; \ 301 } \ 302} while (0) 303 304/* Returns -errno to shared code */ 305#define DRM_WAIT_ON( ret, queue, timeout, condition ) \ 306for ( ret = 0 ; !ret && !(condition) ; ) { \ 307 DRM_UNLOCK(); \ 308 mtx_lock(&dev->irq_lock); \ 309 if (!(condition)) \ 310 ret = -mtx_sleep(&(queue), &dev->irq_lock, \ 311 PZERO | PCATCH, "drmwtq", (timeout)); \ 312 mtx_unlock(&dev->irq_lock); \ 313 DRM_LOCK(); \ 314} 315 316#define DRM_ERROR(fmt, arg...) \ 317 printf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt, \ 318 DRM_CURRENTPID, __func__ , ## arg) 319 320#define DRM_INFO(fmt, arg...) printf("info: [" DRM_NAME "] " fmt , ## arg) 321 322#define DRM_DEBUG(fmt, arg...) do { \ 323 if (drm_debug_flag) \ 324 printf("[" DRM_NAME ":pid%d:%s] " fmt, DRM_CURRENTPID, \ 325 __func__ , ## arg); \ 326} while (0) 327 328typedef struct drm_pci_id_list 329{ 330 int vendor; 331 int device; 332 long driver_private; 333 char *name; 334} drm_pci_id_list_t; 335 336#define DRM_AUTH 0x1 337#define DRM_MASTER 0x2 338#define DRM_ROOT_ONLY 0x4 339typedef struct drm_ioctl_desc { 340 unsigned long cmd; 341 int (*func)(struct drm_device *dev, void *data, 342 struct drm_file *file_priv); 343 int flags; 344} drm_ioctl_desc_t; 345/** 346 * Creates a driver or general drm_ioctl_desc array entry for the given 347 * ioctl, for use by drm_ioctl(). 348 */ 349#define DRM_IOCTL_DEF(ioctl, func, flags) \ 350 [DRM_IOCTL_NR(ioctl)] = {ioctl, func, flags} 351 352typedef struct drm_magic_entry { 353 drm_magic_t magic; 354 struct drm_file *priv; 355 struct drm_magic_entry *next; 356} drm_magic_entry_t; 357 358typedef struct drm_magic_head { 359 struct drm_magic_entry *head; 360 struct drm_magic_entry *tail; 361} drm_magic_head_t; 362 363typedef struct drm_buf { 364 int idx; /* Index into master buflist */ 365 int total; /* Buffer size */ 366 int order; /* log-base-2(total) */ 367 int used; /* Amount of buffer in use (for DMA) */ 368 unsigned long offset; /* Byte offset (used internally) */ 369 void *address; /* Address of buffer */ 370 unsigned long bus_address; /* Bus address of buffer */ 371 struct drm_buf *next; /* Kernel-only: used for free list */ 372 __volatile__ int pending; /* On hardware DMA queue */ 373 struct drm_file *file_priv; /* Unique identifier of holding process */ 374 int context; /* Kernel queue for this buffer */ 375 enum { 376 DRM_LIST_NONE = 0, 377 DRM_LIST_FREE = 1, 378 DRM_LIST_WAIT = 2, 379 DRM_LIST_PEND = 3, 380 DRM_LIST_PRIO = 4, 381 DRM_LIST_RECLAIM = 5 382 } list; /* Which list we're on */ 383 384 int dev_priv_size; /* Size of buffer private stoarge */ 385 void *dev_private; /* Per-buffer private storage */ 386} drm_buf_t; 387 388typedef struct drm_freelist { 389 int initialized; /* Freelist in use */ 390 atomic_t count; /* Number of free buffers */ 391 drm_buf_t *next; /* End pointer */ 392 393 int low_mark; /* Low water mark */ 394 int high_mark; /* High water mark */ 395} drm_freelist_t; 396 397typedef struct drm_dma_handle { 398 void *vaddr; 399 bus_addr_t busaddr; 400 bus_dma_tag_t tag; 401 bus_dmamap_t map; 402} drm_dma_handle_t; 403 404typedef struct drm_buf_entry { 405 int buf_size; 406 int buf_count; 407 drm_buf_t *buflist; 408 int seg_count; 409 drm_dma_handle_t **seglist; 410 int page_order; 411 412 drm_freelist_t freelist; 413} drm_buf_entry_t; 414 415typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t; 416struct drm_file { 417 TAILQ_ENTRY(drm_file) link; 418 struct drm_device *dev; 419 int authenticated; 420 int master; 421 int minor; 422 pid_t pid; 423 uid_t uid; 424 drm_magic_t magic; 425 unsigned long ioctl_count; 426 void *driver_priv; 427}; 428 429typedef struct drm_lock_data { 430 struct drm_hw_lock *hw_lock; /* Hardware lock */ 431 struct drm_file *file_priv; /* Unique identifier of holding process (NULL is kernel)*/ 432 int lock_queue; /* Queue of blocked processes */ 433 unsigned long lock_time; /* Time of last lock in jiffies */ 434} drm_lock_data_t; 435 436/* This structure, in the struct drm_device, is always initialized while the 437 * device 438 * is open. dev->dma_lock protects the incrementing of dev->buf_use, which 439 * when set marks that no further bufs may be allocated until device teardown 440 * occurs (when the last open of the device has closed). The high/low 441 * watermarks of bufs are only touched by the X Server, and thus not 442 * concurrently accessed, so no locking is needed. 443 */ 444typedef struct drm_device_dma { 445 drm_buf_entry_t bufs[DRM_MAX_ORDER+1]; 446 int buf_count; 447 drm_buf_t **buflist; /* Vector of pointers info bufs */ 448 int seg_count; 449 int page_count; 450 unsigned long *pagelist; 451 unsigned long byte_count; 452 enum { 453 _DRM_DMA_USE_AGP = 0x01, 454 _DRM_DMA_USE_SG = 0x02 455 } flags; 456} drm_device_dma_t; 457 458typedef struct drm_agp_mem { 459 void *handle; 460 unsigned long bound; /* address */ 461 int pages; 462 struct drm_agp_mem *prev; 463 struct drm_agp_mem *next; 464} drm_agp_mem_t; 465 466typedef struct drm_agp_head { 467 device_t agpdev; 468 struct agp_info info; 469 const char *chipset; 470 drm_agp_mem_t *memory; 471 unsigned long mode; 472 int enabled; 473 int acquired; 474 unsigned long base; 475 int mtrr; 476 int cant_use_aperture; 477 unsigned long page_mask; 478} drm_agp_head_t; 479 480typedef struct drm_sg_mem { 481 unsigned long handle; 482 void *virtual; 483 int pages; 484 dma_addr_t *busaddr; 485 drm_dma_handle_t *dmah; /* Handle to PCI memory for ATI PCIGART table */ 486} drm_sg_mem_t; 487 488typedef TAILQ_HEAD(drm_map_list, drm_local_map) drm_map_list_t; 489 490typedef struct drm_local_map { 491 unsigned long offset; /* Physical address (0 for SAREA)*/ 492 unsigned long size; /* Physical size (bytes) */ 493 enum drm_map_type type; /* Type of memory mapped */ 494 enum drm_map_flags flags; /* Flags */ 495 void *handle; /* User-space: "Handle" to pass to mmap */ 496 /* Kernel-space: kernel-virtual address */ 497 int mtrr; /* Boolean: MTRR used */ 498 /* Private data */ 499 int rid; /* PCI resource ID for bus_space */ 500 struct resource *bsr; 501 bus_space_tag_t bst; 502 bus_space_handle_t bsh; 503 drm_dma_handle_t *dmah; 504 TAILQ_ENTRY(drm_local_map) link; 505} drm_local_map_t; 506 507TAILQ_HEAD(drm_vbl_sig_list, drm_vbl_sig); 508typedef struct drm_vbl_sig { 509 TAILQ_ENTRY(drm_vbl_sig) link; 510 unsigned int sequence; 511 int signo; 512 int pid; 513} drm_vbl_sig_t; 514 515struct drm_vblank_info { 516 wait_queue_head_t queue; /* vblank wait queue */ 517 atomic_t count; /* number of VBLANK interrupts */ 518 /* (driver must alloc the right number of counters) */ 519 struct drm_vbl_sig_list sigs; /* signal list to send on VBLANK */ 520 atomic_t refcount; /* number of users of vblank interrupts */ 521 u32 last; /* protected by dev->vbl_lock, used */ 522 /* for wraparound handling */ 523 int enabled; /* so we don't call enable more than */ 524 /* once per disable */ 525 int inmodeset; /* Display driver is setting mode */ 526}; 527 528/* location of GART table */ 529#define DRM_ATI_GART_MAIN 1 530#define DRM_ATI_GART_FB 2 531 532#define DRM_ATI_GART_PCI 1 533#define DRM_ATI_GART_PCIE 2 534#define DRM_ATI_GART_IGP 3 535 536struct drm_ati_pcigart_info { 537 int gart_table_location; 538 int gart_reg_if; 539 void *addr; 540 dma_addr_t bus_addr; 541 dma_addr_t table_mask; 542 dma_addr_t member_mask; 543 struct drm_dma_handle *table_handle; 544 drm_local_map_t mapping; 545 int table_size; 546}; 547 548#ifndef DMA_BIT_MASK 549#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : (1ULL<<(n)) - 1) 550#endif 551 552#define upper_32_bits(n) ((u32)(((n) >> 16) >> 16)) 553 554struct drm_driver_info { 555 int (*load)(struct drm_device *, unsigned long flags); 556 int (*firstopen)(struct drm_device *); 557 int (*open)(struct drm_device *, struct drm_file *); 558 void (*preclose)(struct drm_device *, struct drm_file *file_priv); 559 void (*postclose)(struct drm_device *, struct drm_file *); 560 void (*lastclose)(struct drm_device *); 561 int (*unload)(struct drm_device *); 562 void (*reclaim_buffers_locked)(struct drm_device *, 563 struct drm_file *file_priv); 564 int (*dma_ioctl)(struct drm_device *dev, void *data, 565 struct drm_file *file_priv); 566 void (*dma_ready)(struct drm_device *); 567 int (*dma_quiescent)(struct drm_device *); 568 int (*dma_flush_block_and_flush)(struct drm_device *, int context, 569 enum drm_lock_flags flags); 570 int (*dma_flush_unblock)(struct drm_device *, int context, 571 enum drm_lock_flags flags); 572 int (*context_ctor)(struct drm_device *dev, int context); 573 int (*context_dtor)(struct drm_device *dev, int context); 574 int (*kernel_context_switch)(struct drm_device *dev, int old, 575 int new); 576 int (*kernel_context_switch_unlock)(struct drm_device *dev); 577 void (*irq_preinstall)(struct drm_device *dev); 578 int (*irq_postinstall)(struct drm_device *dev); 579 void (*irq_uninstall)(struct drm_device *dev); 580 void (*irq_handler)(DRM_IRQ_ARGS); 581 u32 (*get_vblank_counter)(struct drm_device *dev, int crtc); 582 int (*enable_vblank)(struct drm_device *dev, int crtc); 583 void (*disable_vblank)(struct drm_device *dev, int crtc); 584 585 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ 586 587 /** 588 * Called by \c drm_device_is_agp. Typically used to determine if a 589 * card is really attached to AGP or not. 590 * 591 * \param dev DRM device handle 592 * 593 * \returns 594 * One of three values is returned depending on whether or not the 595 * card is absolutely \b not AGP (return of 0), absolutely \b is AGP 596 * (return of 1), or may or may not be AGP (return of 2). 597 */ 598 int (*device_is_agp) (struct drm_device * dev); 599 600 drm_ioctl_desc_t *ioctls; 601 int max_ioctl; 602 603 int buf_priv_size; 604 605 int major; 606 int minor; 607 int patchlevel; 608 const char *name; /* Simple driver name */ 609 const char *desc; /* Longer driver name */ 610 const char *date; /* Date of last major changes. */ 611 612 u32 driver_features; 613}; 614 615/* Length for the array of resource pointers for drm_get_resource_*. */ 616#define DRM_MAX_PCI_RESOURCE 3 617 618/** 619 * DRM device functions structure 620 */ 621struct drm_device { 622 struct drm_driver_info *driver; 623 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ 624 625 u_int16_t pci_device; /* PCI device id */ 626 u_int16_t pci_vendor; /* PCI vendor id */ 627 628 char *unique; /* Unique identifier: e.g., busid */ 629 int unique_len; /* Length of unique field */ 630 device_t device; /* Device instance from newbus */ 631 struct cdev *devnode; /* Device number for mknod */ 632 int if_version; /* Highest interface version set */ 633 634 int flags; /* Flags to open(2) */ 635 636 /* Locks */ 637 struct mtx vbl_lock; /* protects vblank operations */ 638 struct mtx dma_lock; /* protects dev->dma */ 639 struct mtx irq_lock; /* protects irq condition checks */ 640 struct mtx dev_lock; /* protects everything else */ 641 DRM_SPINTYPE drw_lock; 642 DRM_SPINTYPE tsk_lock; 643 644 /* Usage Counters */ 645 int open_count; /* Outstanding files open */ 646 int buf_use; /* Buffers in use -- cannot alloc */ 647 648 /* Performance counters */ 649 unsigned long counters; 650 enum drm_stat_type types[15]; 651 atomic_t counts[15]; 652 653 /* Authentication */ 654 drm_file_list_t files; 655 drm_magic_head_t magiclist[DRM_HASH_SIZE]; 656 657 /* Linked list of mappable regions. Protected by dev_lock */ 658 drm_map_list_t maplist; 659 660 drm_local_map_t **context_sareas; 661 int max_context; 662 663 drm_lock_data_t lock; /* Information on hardware lock */ 664 665 /* DMA queues (contexts) */ 666 drm_device_dma_t *dma; /* Optional pointer for DMA support */ 667 668 /* Context support */ 669 int irq; /* Interrupt used by board */ 670 int irq_enabled; /* True if the irq handler is enabled */ 671 int irqrid; /* Interrupt used by board */ 672 struct resource *irqr; /* Resource for interrupt used by board */ 673 void *irqh; /* Handle from bus_setup_intr */ 674 675 /* Storage of resource pointers for drm_get_resource_* */ 676 struct resource *pcir[DRM_MAX_PCI_RESOURCE]; 677 int pcirid[DRM_MAX_PCI_RESOURCE]; 678 679 int pci_domain; 680 int pci_bus; 681 int pci_slot; 682 int pci_func; 683 684 atomic_t context_flag; /* Context swapping flag */ 685 int last_context; /* Last current context */ 686 687 int vblank_disable_allowed; 688 atomic_t vbl_signal_pending; /* number of signals pending on all crtcs */ 689 struct callout vblank_disable_timer; 690 u32 max_vblank_count; /* size of vblank counter register */ 691 struct drm_vblank_info *vblank; /* per crtc vblank info */ 692 int num_crtcs; 693 694 struct sigio *buf_sigio; /* Processes waiting for SIGIO */ 695 696 /* Sysctl support */ 697 struct drm_sysctl_info *sysctl; 698 699 drm_agp_head_t *agp; 700 drm_sg_mem_t *sg; /* Scatter gather memory */ 701 atomic_t *ctx_bitmap; 702 void *dev_private; 703 unsigned int agp_buffer_token; 704 drm_local_map_t *agp_buffer_map; 705 706 struct unrhdr *drw_unrhdr; 707 /* RB tree of drawable infos */ 708 RB_HEAD(drawable_tree, bsd_drm_drawable_info) drw_head; 709 710 struct task locked_task; 711 void (*locked_task_call)(struct drm_device *dev); 712}; 713 714static __inline__ int drm_core_check_feature(struct drm_device *dev, 715 int feature) 716{ 717 return ((dev->driver->driver_features & feature) ? 1 : 0); 718} 719 720#if __OS_HAS_AGP 721static inline int drm_core_has_AGP(struct drm_device *dev) 722{ 723 return drm_core_check_feature(dev, DRIVER_USE_AGP); 724} 725#else 726#define drm_core_has_AGP(dev) (0) 727#endif 728 729extern int drm_debug_flag; 730 731/* Device setup support (drm_drv.c) */ 732int drm_probe(device_t nbdev, drm_pci_id_list_t *idlist); 733int drm_attach(device_t nbdev, drm_pci_id_list_t *idlist); 734void drm_close(void *data); 735int drm_detach(device_t nbdev); 736d_ioctl_t drm_ioctl; 737d_open_t drm_open; 738d_read_t drm_read; 739d_poll_t drm_poll; 740d_mmap_t drm_mmap; 741extern drm_local_map_t *drm_getsarea(struct drm_device *dev); 742 743/* File operations helpers (drm_fops.c) */ 744extern int drm_open_helper(struct cdev *kdev, int flags, int fmt, 745 DRM_STRUCTPROC *p, 746 struct drm_device *dev); 747 748/* Memory management support (drm_memory.c) */ 749void drm_mem_init(void); 750void drm_mem_uninit(void); 751void *drm_alloc(size_t size, int area); 752void *drm_calloc(size_t nmemb, size_t size, int area); 753void *drm_realloc(void *oldpt, size_t oldsize, size_t size, 754 int area); 755void drm_free(void *pt, size_t size, int area); 756void *drm_ioremap_wc(struct drm_device *dev, drm_local_map_t *map); 757void *drm_ioremap(struct drm_device *dev, drm_local_map_t *map); 758void drm_ioremapfree(drm_local_map_t *map); 759int drm_mtrr_add(unsigned long offset, size_t size, int flags); 760int drm_mtrr_del(int handle, unsigned long offset, size_t size, int flags); 761 762int drm_context_switch(struct drm_device *dev, int old, int new); 763int drm_context_switch_complete(struct drm_device *dev, int new); 764 765int drm_ctxbitmap_init(struct drm_device *dev); 766void drm_ctxbitmap_cleanup(struct drm_device *dev); 767void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle); 768int drm_ctxbitmap_next(struct drm_device *dev); 769 770/* Locking IOCTL support (drm_lock.c) */ 771int drm_lock_take(struct drm_lock_data *lock_data, 772 unsigned int context); 773int drm_lock_transfer(struct drm_lock_data *lock_data, 774 unsigned int context); 775int drm_lock_free(struct drm_lock_data *lock_data, 776 unsigned int context); 777 778/* Buffer management support (drm_bufs.c) */ 779unsigned long drm_get_resource_start(struct drm_device *dev, 780 unsigned int resource); 781unsigned long drm_get_resource_len(struct drm_device *dev, 782 unsigned int resource); 783void drm_rmmap(struct drm_device *dev, drm_local_map_t *map); 784int drm_order(unsigned long size); 785int drm_addmap(struct drm_device *dev, unsigned long offset, 786 unsigned long size, 787 enum drm_map_type type, enum drm_map_flags flags, 788 drm_local_map_t **map_ptr); 789int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc *request); 790int drm_addbufs_sg(struct drm_device *dev, struct drm_buf_desc *request); 791int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc *request); 792 793/* DMA support (drm_dma.c) */ 794int drm_dma_setup(struct drm_device *dev); 795void drm_dma_takedown(struct drm_device *dev); 796void drm_free_buffer(struct drm_device *dev, drm_buf_t *buf); 797void drm_reclaim_buffers(struct drm_device *dev, struct drm_file *file_priv); 798#define drm_core_reclaim_buffers drm_reclaim_buffers 799 800/* IRQ support (drm_irq.c) */ 801int drm_irq_install(struct drm_device *dev); 802int drm_irq_uninstall(struct drm_device *dev); 803irqreturn_t drm_irq_handler(DRM_IRQ_ARGS); 804void drm_driver_irq_preinstall(struct drm_device *dev); 805void drm_driver_irq_postinstall(struct drm_device *dev); 806void drm_driver_irq_uninstall(struct drm_device *dev); 807void drm_handle_vblank(struct drm_device *dev, int crtc); 808u32 drm_vblank_count(struct drm_device *dev, int crtc); 809int drm_vblank_get(struct drm_device *dev, int crtc); 810void drm_vblank_put(struct drm_device *dev, int crtc); 811int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq); 812int drm_vblank_init(struct drm_device *dev, int num_crtcs); 813void drm_vbl_send_signals(struct drm_device *dev, int crtc); 814int drm_modeset_ctl(struct drm_device *dev, void *data, 815 struct drm_file *file_priv); 816 817/* AGP/PCI Express/GART support (drm_agpsupport.c) */ 818int drm_device_is_agp(struct drm_device *dev); 819int drm_device_is_pcie(struct drm_device *dev); 820drm_agp_head_t *drm_agp_init(void); 821int drm_agp_acquire(struct drm_device *dev); 822int drm_agp_release(struct drm_device *dev); 823int drm_agp_info(struct drm_device * dev, struct drm_agp_info *info); 824int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode); 825void *drm_agp_allocate_memory(size_t pages, u32 type); 826int drm_agp_free_memory(void *handle); 827int drm_agp_bind_memory(void *handle, off_t start); 828int drm_agp_unbind_memory(void *handle); 829int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request); 830int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request); 831int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request); 832int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request); 833 834/* Scatter Gather Support (drm_scatter.c) */ 835void drm_sg_cleanup(drm_sg_mem_t *entry); 836int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request); 837 838/* sysctl support (drm_sysctl.h) */ 839extern int drm_sysctl_init(struct drm_device *dev); 840extern int drm_sysctl_cleanup(struct drm_device *dev); 841 842/* ATI PCIGART support (ati_pcigart.c) */ 843int drm_ati_pcigart_init(struct drm_device *dev, 844 struct drm_ati_pcigart_info *gart_info); 845int drm_ati_pcigart_cleanup(struct drm_device *dev, 846 struct drm_ati_pcigart_info *gart_info); 847 848/* Locking IOCTL support (drm_drv.c) */ 849int drm_lock(struct drm_device *dev, void *data, 850 struct drm_file *file_priv); 851int drm_unlock(struct drm_device *dev, void *data, 852 struct drm_file *file_priv); 853int drm_version(struct drm_device *dev, void *data, 854 struct drm_file *file_priv); 855int drm_setversion(struct drm_device *dev, void *data, 856 struct drm_file *file_priv); 857 858/* Misc. IOCTL support (drm_ioctl.c) */ 859int drm_irq_by_busid(struct drm_device *dev, void *data, 860 struct drm_file *file_priv); 861int drm_getunique(struct drm_device *dev, void *data, 862 struct drm_file *file_priv); 863int drm_setunique(struct drm_device *dev, void *data, 864 struct drm_file *file_priv); 865int drm_getmap(struct drm_device *dev, void *data, 866 struct drm_file *file_priv); 867int drm_getclient(struct drm_device *dev, void *data, 868 struct drm_file *file_priv); 869int drm_getstats(struct drm_device *dev, void *data, 870 struct drm_file *file_priv); 871int drm_noop(struct drm_device *dev, void *data, 872 struct drm_file *file_priv); 873 874/* Context IOCTL support (drm_context.c) */ 875int drm_resctx(struct drm_device *dev, void *data, 876 struct drm_file *file_priv); 877int drm_addctx(struct drm_device *dev, void *data, 878 struct drm_file *file_priv); 879int drm_modctx(struct drm_device *dev, void *data, 880 struct drm_file *file_priv); 881int drm_getctx(struct drm_device *dev, void *data, 882 struct drm_file *file_priv); 883int drm_switchctx(struct drm_device *dev, void *data, 884 struct drm_file *file_priv); 885int drm_newctx(struct drm_device *dev, void *data, 886 struct drm_file *file_priv); 887int drm_rmctx(struct drm_device *dev, void *data, 888 struct drm_file *file_priv); 889int drm_setsareactx(struct drm_device *dev, void *data, 890 struct drm_file *file_priv); 891int drm_getsareactx(struct drm_device *dev, void *data, 892 struct drm_file *file_priv); 893 894/* Drawable IOCTL support (drm_drawable.c) */ 895int drm_adddraw(struct drm_device *dev, void *data, 896 struct drm_file *file_priv); 897int drm_rmdraw(struct drm_device *dev, void *data, 898 struct drm_file *file_priv); 899int drm_update_draw(struct drm_device *dev, void *data, 900 struct drm_file *file_priv); 901struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev, 902 int handle); 903 904/* Drawable support (drm_drawable.c) */ 905void drm_drawable_free_all(struct drm_device *dev); 906 907/* Authentication IOCTL support (drm_auth.c) */ 908int drm_getmagic(struct drm_device *dev, void *data, 909 struct drm_file *file_priv); 910int drm_authmagic(struct drm_device *dev, void *data, 911 struct drm_file *file_priv); 912 913/* Buffer management support (drm_bufs.c) */ 914int drm_addmap_ioctl(struct drm_device *dev, void *data, 915 struct drm_file *file_priv); 916int drm_rmmap_ioctl(struct drm_device *dev, void *data, 917 struct drm_file *file_priv); 918int drm_addbufs_ioctl(struct drm_device *dev, void *data, 919 struct drm_file *file_priv); 920int drm_infobufs(struct drm_device *dev, void *data, 921 struct drm_file *file_priv); 922int drm_markbufs(struct drm_device *dev, void *data, 923 struct drm_file *file_priv); 924int drm_freebufs(struct drm_device *dev, void *data, 925 struct drm_file *file_priv); 926int drm_mapbufs(struct drm_device *dev, void *data, 927 struct drm_file *file_priv); 928 929/* DMA support (drm_dma.c) */ 930int drm_dma(struct drm_device *dev, void *data, struct drm_file *file_priv); 931 932/* IRQ support (drm_irq.c) */ 933int drm_control(struct drm_device *dev, void *data, 934 struct drm_file *file_priv); 935int drm_wait_vblank(struct drm_device *dev, void *data, 936 struct drm_file *file_priv); 937void drm_locked_tasklet(struct drm_device *dev, 938 void (*tasklet)(struct drm_device *dev)); 939 940/* AGP/GART support (drm_agpsupport.c) */ 941int drm_agp_acquire_ioctl(struct drm_device *dev, void *data, 942 struct drm_file *file_priv); 943int drm_agp_release_ioctl(struct drm_device *dev, void *data, 944 struct drm_file *file_priv); 945int drm_agp_enable_ioctl(struct drm_device *dev, void *data, 946 struct drm_file *file_priv); 947int drm_agp_info_ioctl(struct drm_device *dev, void *data, 948 struct drm_file *file_priv); 949int drm_agp_alloc_ioctl(struct drm_device *dev, void *data, 950 struct drm_file *file_priv); 951int drm_agp_free_ioctl(struct drm_device *dev, void *data, 952 struct drm_file *file_priv); 953int drm_agp_unbind_ioctl(struct drm_device *dev, void *data, 954 struct drm_file *file_priv); 955int drm_agp_bind_ioctl(struct drm_device *dev, void *data, 956 struct drm_file *file_priv); 957 958/* Scatter Gather Support (drm_scatter.c) */ 959int drm_sg_alloc_ioctl(struct drm_device *dev, void *data, 960 struct drm_file *file_priv); 961int drm_sg_free(struct drm_device *dev, void *data, 962 struct drm_file *file_priv); 963 964/* consistent PCI memory functions (drm_pci.c) */ 965drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size, 966 size_t align, dma_addr_t maxaddr); 967void drm_pci_free(struct drm_device *dev, drm_dma_handle_t *dmah); 968 969/* Inline replacements for DRM_IOREMAP macros */ 970static __inline__ void 971drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev) 972{ 973 map->handle = drm_ioremap_wc(dev, map); 974} 975static __inline__ void 976drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev) 977{ 978 map->handle = drm_ioremap(dev, map); 979} 980static __inline__ void 981drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev) 982{ 983 if ( map->handle && map->size ) 984 drm_ioremapfree(map); 985} 986 987static __inline__ struct drm_local_map * 988drm_core_findmap(struct drm_device *dev, unsigned long offset) 989{ 990 drm_local_map_t *map; 991 992 DRM_SPINLOCK_ASSERT(&dev->dev_lock); 993 TAILQ_FOREACH(map, &dev->maplist, link) { 994 if (map->offset == offset) 995 return map; 996 } 997 return NULL; 998} 999 1000static __inline__ void drm_core_dropmap(struct drm_map *map) 1001{ 1002} 1003 1004#endif /* __KERNEL__ */ 1005#endif /* _DRM_P_H_ */ 1006