drmP.h revision 186300
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 186300 2008-12-18 22:01:46Z 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 <dev/pci/pcireg.h> 91#include <sys/selinfo.h> 92#include <sys/bus.h> 93 94#include "dev/drm/drm.h" 95#include "dev/drm/drm_linux_list.h" 96#include "dev/drm/drm_atomic.h" 97#include "dev/drm/drm_internal.h" 98 99#include <opt_drm.h> 100#ifdef DRM_DEBUG 101#undef DRM_DEBUG 102#define DRM_DEBUG_DEFAULT_ON 1 103#endif /* DRM_DEBUG */ 104 105#if defined(DRM_LINUX) && DRM_LINUX && !defined(__amd64__) 106#include <sys/file.h> 107#include <sys/proc.h> 108#include <machine/../linux/linux.h> 109#include <machine/../linux/linux_proto.h> 110#else 111/* Either it was defined when it shouldn't be (FreeBSD amd64) or it isn't 112 * supported on this OS yet. 113 */ 114#undef DRM_LINUX 115#define DRM_LINUX 0 116#endif 117 118/* driver capabilities and requirements mask */ 119#define DRIVER_USE_AGP 0x1 120#define DRIVER_REQUIRE_AGP 0x2 121#define DRIVER_USE_MTRR 0x4 122#define DRIVER_PCI_DMA 0x8 123#define DRIVER_SG 0x10 124#define DRIVER_HAVE_DMA 0x20 125#define DRIVER_HAVE_IRQ 0x40 126#define DRIVER_DMA_QUEUE 0x100 127 128 129#define DRM_HASH_SIZE 16 /* Size of key hash table */ 130#define DRM_KERNEL_CONTEXT 0 /* Change drm_resctx if changed */ 131#define DRM_RESERVED_CONTEXTS 1 /* Change drm_resctx if changed */ 132 133MALLOC_DECLARE(DRM_MEM_DMA); 134MALLOC_DECLARE(DRM_MEM_SAREA); 135MALLOC_DECLARE(DRM_MEM_DRIVER); 136MALLOC_DECLARE(DRM_MEM_MAGIC); 137MALLOC_DECLARE(DRM_MEM_IOCTLS); 138MALLOC_DECLARE(DRM_MEM_MAPS); 139MALLOC_DECLARE(DRM_MEM_BUFS); 140MALLOC_DECLARE(DRM_MEM_SEGS); 141MALLOC_DECLARE(DRM_MEM_PAGES); 142MALLOC_DECLARE(DRM_MEM_FILES); 143MALLOC_DECLARE(DRM_MEM_QUEUES); 144MALLOC_DECLARE(DRM_MEM_CMDS); 145MALLOC_DECLARE(DRM_MEM_MAPPINGS); 146MALLOC_DECLARE(DRM_MEM_BUFLISTS); 147MALLOC_DECLARE(DRM_MEM_AGPLISTS); 148MALLOC_DECLARE(DRM_MEM_CTXBITMAP); 149MALLOC_DECLARE(DRM_MEM_SGLISTS); 150MALLOC_DECLARE(DRM_MEM_DRAWABLE); 151 152#define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) 153 154 /* Internal types and structures */ 155#define DRM_ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) 156#define DRM_MIN(a,b) ((a)<(b)?(a):(b)) 157#define DRM_MAX(a,b) ((a)>(b)?(a):(b)) 158 159#define DRM_IF_VERSION(maj, min) (maj << 16 | min) 160 161#define __OS_HAS_AGP 1 162 163#define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP) 164#define DRM_DEV_UID 0 165#define DRM_DEV_GID 0 166 167#define wait_queue_head_t atomic_t 168#define DRM_WAKEUP(w) wakeup((void *)w) 169#define DRM_WAKEUP_INT(w) wakeup(w) 170#define DRM_INIT_WAITQUEUE(queue) do {(void)(queue);} while (0) 171 172#define DRM_CURPROC curthread 173#define DRM_STRUCTPROC struct thread 174#define DRM_SPINTYPE struct mtx 175#define DRM_SPININIT(l,name) mtx_init(l, name, NULL, MTX_DEF) 176#define DRM_SPINUNINIT(l) mtx_destroy(l) 177#define DRM_SPINLOCK(l) mtx_lock(l) 178#define DRM_SPINUNLOCK(u) mtx_unlock(u) 179#define DRM_SPINLOCK_IRQSAVE(l, irqflags) do { \ 180 mtx_lock(l); \ 181 (void)irqflags; \ 182} while (0) 183#define DRM_SPINUNLOCK_IRQRESTORE(u, irqflags) mtx_unlock(u) 184#define DRM_SPINLOCK_ASSERT(l) mtx_assert(l, MA_OWNED) 185#define DRM_CURRENTPID curthread->td_proc->p_pid 186#define DRM_LOCK() mtx_lock(&dev->dev_lock) 187#define DRM_UNLOCK() mtx_unlock(&dev->dev_lock) 188#define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS) 189 190#define DRM_IRQ_ARGS void *arg 191typedef void irqreturn_t; 192#define IRQ_HANDLED /* nothing */ 193#define IRQ_NONE /* nothing */ 194 195enum { 196 DRM_IS_NOT_AGP, 197 DRM_IS_AGP, 198 DRM_MIGHT_BE_AGP 199}; 200#define DRM_AGP_MEM struct agp_memory_info 201 202#define drm_get_device_from_kdev(_kdev) (_kdev->si_drv1) 203 204#define PAGE_ALIGN(addr) round_page(addr) 205/* DRM_SUSER returns true if the user is superuser */ 206#if __FreeBSD_version >= 700000 207#define DRM_SUSER(p) (priv_check(p, PRIV_DRIVER) == 0) 208#else 209#define DRM_SUSER(p) (suser(p) == 0) 210#endif 211#define DRM_AGP_FIND_DEVICE() agp_find_device() 212#define DRM_MTRR_WC MDF_WRITECOMBINE 213#define jiffies ticks 214 215typedef unsigned long dma_addr_t; 216typedef u_int64_t u64; 217typedef u_int32_t u32; 218typedef u_int16_t u16; 219typedef u_int8_t u8; 220 221/* DRM_READMEMORYBARRIER() prevents reordering of reads. 222 * DRM_WRITEMEMORYBARRIER() prevents reordering of writes. 223 * DRM_MEMORYBARRIER() prevents reordering of reads and writes. 224 */ 225#if defined(__i386__) 226#define DRM_READMEMORYBARRIER() __asm __volatile( \ 227 "lock; addl $0,0(%%esp)" : : : "memory"); 228#define DRM_WRITEMEMORYBARRIER() __asm __volatile("" : : : "memory"); 229#define DRM_MEMORYBARRIER() __asm __volatile( \ 230 "lock; addl $0,0(%%esp)" : : : "memory"); 231#elif defined(__alpha__) 232#define DRM_READMEMORYBARRIER() alpha_mb(); 233#define DRM_WRITEMEMORYBARRIER() alpha_wmb(); 234#define DRM_MEMORYBARRIER() alpha_mb(); 235#elif defined(__amd64__) 236#define DRM_READMEMORYBARRIER() __asm __volatile( \ 237 "lock; addl $0,0(%%rsp)" : : : "memory"); 238#define DRM_WRITEMEMORYBARRIER() __asm __volatile("" : : : "memory"); 239#define DRM_MEMORYBARRIER() __asm __volatile( \ 240 "lock; addl $0,0(%%rsp)" : : : "memory"); 241#endif 242 243#define DRM_READ8(map, offset) \ 244 *(volatile u_int8_t *) (((unsigned long)(map)->handle) + (offset)) 245#define DRM_READ16(map, offset) \ 246 *(volatile u_int16_t *) (((unsigned long)(map)->handle) + (offset)) 247#define DRM_READ32(map, offset) \ 248 *(volatile u_int32_t *)(((unsigned long)(map)->handle) + (offset)) 249#define DRM_WRITE8(map, offset, val) \ 250 *(volatile u_int8_t *) (((unsigned long)(map)->handle) + (offset)) = val 251#define DRM_WRITE16(map, offset, val) \ 252 *(volatile u_int16_t *) (((unsigned long)(map)->handle) + (offset)) = val 253#define DRM_WRITE32(map, offset, val) \ 254 *(volatile u_int32_t *)(((unsigned long)(map)->handle) + (offset)) = val 255 256#define DRM_VERIFYAREA_READ( uaddr, size ) \ 257 (!useracc(__DECONST(caddr_t, uaddr), size, VM_PROT_READ)) 258 259#define DRM_COPY_TO_USER(user, kern, size) \ 260 copyout(kern, user, size) 261#define DRM_COPY_FROM_USER(kern, user, size) \ 262 copyin(user, kern, size) 263#define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \ 264 copyin(arg2, arg1, arg3) 265#define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \ 266 copyout(arg2, arg1, arg3) 267#define DRM_GET_USER_UNCHECKED(val, uaddr) \ 268 ((val) = fuword32(uaddr), 0) 269 270#define cpu_to_le32(x) htole32(x) 271#define le32_to_cpu(x) le32toh(x) 272 273#define DRM_HZ hz 274#define DRM_UDELAY(udelay) DELAY(udelay) 275#define DRM_TIME_SLICE (hz/20) /* Time slice for GLXContexts */ 276 277#define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \ 278 (_map) = (_dev)->context_sareas[_ctx]; \ 279} while(0) 280 281#define LOCK_TEST_WITH_RETURN(dev, file_priv) \ 282do { \ 283 if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \ 284 dev->lock.file_priv != file_priv) { \ 285 DRM_ERROR("%s called without lock held\n", \ 286 __FUNCTION__); \ 287 return EINVAL; \ 288 } \ 289} while (0) 290 291/* Returns -errno to shared code */ 292#define DRM_WAIT_ON( ret, queue, timeout, condition ) \ 293for ( ret = 0 ; !ret && !(condition) ; ) { \ 294 DRM_UNLOCK(); \ 295 mtx_lock(&dev->irq_lock); \ 296 if (!(condition)) \ 297 ret = -mtx_sleep(&(queue), &dev->irq_lock, \ 298 PZERO | PCATCH, "drmwtq", (timeout)); \ 299 mtx_unlock(&dev->irq_lock); \ 300 DRM_LOCK(); \ 301} 302 303#define DRM_ERROR(fmt, arg...) \ 304 printf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt, \ 305 DRM_CURRENTPID, __func__ , ## arg) 306 307#define DRM_INFO(fmt, arg...) printf("info: [" DRM_NAME "] " fmt , ## arg) 308 309#define DRM_DEBUG(fmt, arg...) do { \ 310 if (drm_debug_flag) \ 311 printf("[" DRM_NAME ":pid%d:%s] " fmt, DRM_CURRENTPID, \ 312 __func__ , ## arg); \ 313} while (0) 314 315typedef struct drm_pci_id_list 316{ 317 int vendor; 318 int device; 319 long driver_private; 320 char *name; 321} drm_pci_id_list_t; 322 323#define DRM_AUTH 0x1 324#define DRM_MASTER 0x2 325#define DRM_ROOT_ONLY 0x4 326typedef struct drm_ioctl_desc { 327 unsigned long cmd; 328 int (*func)(struct drm_device *dev, void *data, 329 struct drm_file *file_priv); 330 int flags; 331} drm_ioctl_desc_t; 332/** 333 * Creates a driver or general drm_ioctl_desc array entry for the given 334 * ioctl, for use by drm_ioctl(). 335 */ 336#define DRM_IOCTL_DEF(ioctl, func, flags) \ 337 [DRM_IOCTL_NR(ioctl)] = {ioctl, func, flags} 338 339typedef struct drm_magic_entry { 340 drm_magic_t magic; 341 struct drm_file *priv; 342 struct drm_magic_entry *next; 343} drm_magic_entry_t; 344 345typedef struct drm_magic_head { 346 struct drm_magic_entry *head; 347 struct drm_magic_entry *tail; 348} drm_magic_head_t; 349 350typedef struct drm_buf { 351 int idx; /* Index into master buflist */ 352 int total; /* Buffer size */ 353 int order; /* log-base-2(total) */ 354 int used; /* Amount of buffer in use (for DMA) */ 355 unsigned long offset; /* Byte offset (used internally) */ 356 void *address; /* Address of buffer */ 357 unsigned long bus_address; /* Bus address of buffer */ 358 struct drm_buf *next; /* Kernel-only: used for free list */ 359 __volatile__ int pending; /* On hardware DMA queue */ 360 struct drm_file *file_priv; /* Unique identifier of holding process */ 361 int context; /* Kernel queue for this buffer */ 362 enum { 363 DRM_LIST_NONE = 0, 364 DRM_LIST_FREE = 1, 365 DRM_LIST_WAIT = 2, 366 DRM_LIST_PEND = 3, 367 DRM_LIST_PRIO = 4, 368 DRM_LIST_RECLAIM = 5 369 } list; /* Which list we're on */ 370 371 int dev_priv_size; /* Size of buffer private stoarge */ 372 void *dev_private; /* Per-buffer private storage */ 373} drm_buf_t; 374 375typedef struct drm_freelist { 376 int initialized; /* Freelist in use */ 377 atomic_t count; /* Number of free buffers */ 378 drm_buf_t *next; /* End pointer */ 379 380 int low_mark; /* Low water mark */ 381 int high_mark; /* High water mark */ 382} drm_freelist_t; 383 384typedef struct drm_dma_handle { 385 void *vaddr; 386 bus_addr_t busaddr; 387 bus_dma_tag_t tag; 388 bus_dmamap_t map; 389} drm_dma_handle_t; 390 391typedef struct drm_buf_entry { 392 int buf_size; 393 int buf_count; 394 drm_buf_t *buflist; 395 int seg_count; 396 drm_dma_handle_t **seglist; 397 int page_order; 398 399 drm_freelist_t freelist; 400} drm_buf_entry_t; 401 402typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t; 403struct drm_file { 404 TAILQ_ENTRY(drm_file) link; 405 struct drm_device *dev; 406 int authenticated; 407 int master; 408 int minor; 409 pid_t pid; 410 uid_t uid; 411 drm_magic_t magic; 412 unsigned long ioctl_count; 413 void *driver_priv; 414}; 415 416typedef struct drm_lock_data { 417 struct drm_hw_lock *hw_lock; /* Hardware lock */ 418 struct drm_file *file_priv; /* Unique identifier of holding process (NULL is kernel)*/ 419 int lock_queue; /* Queue of blocked processes */ 420 unsigned long lock_time; /* Time of last lock in jiffies */ 421} drm_lock_data_t; 422 423/* This structure, in the struct drm_device, is always initialized while the 424 * device 425 * is open. dev->dma_lock protects the incrementing of dev->buf_use, which 426 * when set marks that no further bufs may be allocated until device teardown 427 * occurs (when the last open of the device has closed). The high/low 428 * watermarks of bufs are only touched by the X Server, and thus not 429 * concurrently accessed, so no locking is needed. 430 */ 431typedef struct drm_device_dma { 432 drm_buf_entry_t bufs[DRM_MAX_ORDER+1]; 433 int buf_count; 434 drm_buf_t **buflist; /* Vector of pointers info bufs */ 435 int seg_count; 436 int page_count; 437 unsigned long *pagelist; 438 unsigned long byte_count; 439 enum { 440 _DRM_DMA_USE_AGP = 0x01, 441 _DRM_DMA_USE_SG = 0x02 442 } flags; 443} drm_device_dma_t; 444 445typedef struct drm_agp_mem { 446 void *handle; 447 unsigned long bound; /* address */ 448 int pages; 449 struct drm_agp_mem *prev; 450 struct drm_agp_mem *next; 451} drm_agp_mem_t; 452 453typedef struct drm_agp_head { 454 device_t agpdev; 455 struct agp_info info; 456 const char *chipset; 457 drm_agp_mem_t *memory; 458 unsigned long mode; 459 int enabled; 460 int acquired; 461 unsigned long base; 462 int mtrr; 463 int cant_use_aperture; 464 unsigned long page_mask; 465} drm_agp_head_t; 466 467typedef struct drm_sg_mem { 468 unsigned long handle; 469 void *virtual; 470 int pages; 471 dma_addr_t *busaddr; 472 struct drm_dma_handle *sg_dmah; /* Handle for sg_pages */ 473 struct drm_dma_handle *dmah; /* Handle to PCI memory */ 474 /* for ATI PCIGART table */ 475} drm_sg_mem_t; 476 477typedef TAILQ_HEAD(drm_map_list, drm_local_map) drm_map_list_t; 478 479typedef struct drm_local_map { 480 unsigned long offset; /* Physical address (0 for SAREA)*/ 481 unsigned long size; /* Physical size (bytes) */ 482 enum drm_map_type type; /* Type of memory mapped */ 483 enum drm_map_flags flags; /* Flags */ 484 void *handle; /* User-space: "Handle" to pass to mmap */ 485 /* Kernel-space: kernel-virtual address */ 486 int mtrr; /* Boolean: MTRR used */ 487 /* Private data */ 488 int rid; /* PCI resource ID for bus_space */ 489 struct resource *bsr; 490 bus_space_tag_t bst; 491 bus_space_handle_t bsh; 492 drm_dma_handle_t *dmah; 493 TAILQ_ENTRY(drm_local_map) link; 494} drm_local_map_t; 495 496TAILQ_HEAD(drm_vbl_sig_list, drm_vbl_sig); 497typedef struct drm_vbl_sig { 498 TAILQ_ENTRY(drm_vbl_sig) link; 499 unsigned int sequence; 500 int signo; 501 int pid; 502} drm_vbl_sig_t; 503 504struct drm_vblank_info { 505 wait_queue_head_t queue; /* vblank wait queue */ 506 atomic_t count; /* number of VBLANK interrupts */ 507 /* (driver must alloc the right number of counters) */ 508 struct drm_vbl_sig_list sigs; /* signal list to send on VBLANK */ 509 atomic_t refcount; /* number of users of vblank interrupts */ 510 u32 last; /* protected by dev->vbl_lock, used */ 511 /* for wraparound handling */ 512 int enabled; /* so we don't call enable more than */ 513 /* once per disable */ 514 int inmodeset; /* Display driver is setting mode */ 515}; 516 517/* location of GART table */ 518#define DRM_ATI_GART_MAIN 1 519#define DRM_ATI_GART_FB 2 520 521#define DRM_ATI_GART_PCI 1 522#define DRM_ATI_GART_PCIE 2 523#define DRM_ATI_GART_IGP 3 524 525struct drm_ati_pcigart_info { 526 int gart_table_location; 527 int gart_reg_if; 528 void *addr; 529 dma_addr_t bus_addr; 530 dma_addr_t table_mask; 531 dma_addr_t member_mask; 532 struct drm_dma_handle *table_handle; 533 drm_local_map_t mapping; 534 int table_size; 535}; 536 537#ifndef DMA_BIT_MASK 538#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : (1ULL<<(n)) - 1) 539#endif 540 541#define upper_32_bits(n) ((u32)(((n) >> 16) >> 16)) 542 543struct drm_driver_info { 544 int (*load)(struct drm_device *, unsigned long flags); 545 int (*firstopen)(struct drm_device *); 546 int (*open)(struct drm_device *, struct drm_file *); 547 void (*preclose)(struct drm_device *, struct drm_file *file_priv); 548 void (*postclose)(struct drm_device *, struct drm_file *); 549 void (*lastclose)(struct drm_device *); 550 int (*unload)(struct drm_device *); 551 void (*reclaim_buffers_locked)(struct drm_device *, 552 struct drm_file *file_priv); 553 int (*dma_ioctl)(struct drm_device *dev, void *data, 554 struct drm_file *file_priv); 555 void (*dma_ready)(struct drm_device *); 556 int (*dma_quiescent)(struct drm_device *); 557 int (*dma_flush_block_and_flush)(struct drm_device *, int context, 558 enum drm_lock_flags flags); 559 int (*dma_flush_unblock)(struct drm_device *, int context, 560 enum drm_lock_flags flags); 561 int (*context_ctor)(struct drm_device *dev, int context); 562 int (*context_dtor)(struct drm_device *dev, int context); 563 int (*kernel_context_switch)(struct drm_device *dev, int old, 564 int new); 565 int (*kernel_context_switch_unlock)(struct drm_device *dev); 566 void (*irq_preinstall)(struct drm_device *dev); 567 int (*irq_postinstall)(struct drm_device *dev); 568 void (*irq_uninstall)(struct drm_device *dev); 569 void (*irq_handler)(DRM_IRQ_ARGS); 570 u32 (*get_vblank_counter)(struct drm_device *dev, int crtc); 571 int (*enable_vblank)(struct drm_device *dev, int crtc); 572 void (*disable_vblank)(struct drm_device *dev, int crtc); 573 574 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ 575 576 /** 577 * Called by \c drm_device_is_agp. Typically used to determine if a 578 * card is really attached to AGP or not. 579 * 580 * \param dev DRM device handle 581 * 582 * \returns 583 * One of three values is returned depending on whether or not the 584 * card is absolutely \b not AGP (return of 0), absolutely \b is AGP 585 * (return of 1), or may or may not be AGP (return of 2). 586 */ 587 int (*device_is_agp) (struct drm_device * dev); 588 589 drm_ioctl_desc_t *ioctls; 590 int max_ioctl; 591 592 int buf_priv_size; 593 594 int major; 595 int minor; 596 int patchlevel; 597 const char *name; /* Simple driver name */ 598 const char *desc; /* Longer driver name */ 599 const char *date; /* Date of last major changes. */ 600 601 u32 driver_features; 602}; 603 604/* Length for the array of resource pointers for drm_get_resource_*. */ 605#define DRM_MAX_PCI_RESOURCE 3 606 607/** 608 * DRM device functions structure 609 */ 610struct drm_device { 611 struct drm_driver_info *driver; 612 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ 613 614 u_int16_t pci_device; /* PCI device id */ 615 u_int16_t pci_vendor; /* PCI vendor id */ 616 617 char *unique; /* Unique identifier: e.g., busid */ 618 int unique_len; /* Length of unique field */ 619 device_t device; /* Device instance from newbus */ 620 struct cdev *devnode; /* Device number for mknod */ 621 int if_version; /* Highest interface version set */ 622 623 int flags; /* Flags to open(2) */ 624 625 /* Locks */ 626 struct mtx vbl_lock; /* protects vblank operations */ 627 struct mtx dma_lock; /* protects dev->dma */ 628 struct mtx irq_lock; /* protects irq condition checks */ 629 struct mtx dev_lock; /* protects everything else */ 630 DRM_SPINTYPE drw_lock; 631 DRM_SPINTYPE tsk_lock; 632 633 /* Usage Counters */ 634 int open_count; /* Outstanding files open */ 635 int buf_use; /* Buffers in use -- cannot alloc */ 636 637 /* Performance counters */ 638 unsigned long counters; 639 enum drm_stat_type types[15]; 640 atomic_t counts[15]; 641 642 /* Authentication */ 643 drm_file_list_t files; 644 drm_magic_head_t magiclist[DRM_HASH_SIZE]; 645 646 /* Linked list of mappable regions. Protected by dev_lock */ 647 drm_map_list_t maplist; 648 649 drm_local_map_t **context_sareas; 650 int max_context; 651 652 drm_lock_data_t lock; /* Information on hardware lock */ 653 654 /* DMA queues (contexts) */ 655 drm_device_dma_t *dma; /* Optional pointer for DMA support */ 656 657 /* Context support */ 658 int irq; /* Interrupt used by board */ 659 int irq_enabled; /* True if the irq handler is enabled */ 660 int irqrid; /* Interrupt used by board */ 661 struct resource *irqr; /* Resource for interrupt used by board */ 662 void *irqh; /* Handle from bus_setup_intr */ 663 664 /* Storage of resource pointers for drm_get_resource_* */ 665 struct resource *pcir[DRM_MAX_PCI_RESOURCE]; 666 int pcirid[DRM_MAX_PCI_RESOURCE]; 667 668 int pci_domain; 669 int pci_bus; 670 int pci_slot; 671 int pci_func; 672 673 atomic_t context_flag; /* Context swapping flag */ 674 int last_context; /* Last current context */ 675 676 int vblank_disable_allowed; 677 atomic_t vbl_signal_pending; /* number of signals pending on all crtcs */ 678 struct callout vblank_disable_timer; 679 u32 max_vblank_count; /* size of vblank counter register */ 680 struct drm_vblank_info *vblank; /* per crtc vblank info */ 681 int num_crtcs; 682 683 struct sigio *buf_sigio; /* Processes waiting for SIGIO */ 684 685 /* Sysctl support */ 686 struct drm_sysctl_info *sysctl; 687 688 drm_agp_head_t *agp; 689 drm_sg_mem_t *sg; /* Scatter gather memory */ 690 atomic_t *ctx_bitmap; 691 void *dev_private; 692 unsigned int agp_buffer_token; 693 drm_local_map_t *agp_buffer_map; 694 695 struct unrhdr *drw_unrhdr; 696 /* RB tree of drawable infos */ 697 RB_HEAD(drawable_tree, bsd_drm_drawable_info) drw_head; 698 699 struct task locked_task; 700 void (*locked_task_call)(struct drm_device *dev); 701}; 702 703static __inline__ int drm_core_check_feature(struct drm_device *dev, 704 int feature) 705{ 706 return ((dev->driver->driver_features & feature) ? 1 : 0); 707} 708 709#if __OS_HAS_AGP 710static inline int drm_core_has_AGP(struct drm_device *dev) 711{ 712 return drm_core_check_feature(dev, DRIVER_USE_AGP); 713} 714#else 715#define drm_core_has_AGP(dev) (0) 716#endif 717 718extern int drm_debug_flag; 719 720/* Device setup support (drm_drv.c) */ 721int drm_probe(device_t nbdev, drm_pci_id_list_t *idlist); 722int drm_attach(device_t nbdev, drm_pci_id_list_t *idlist); 723void drm_close(void *data); 724int drm_detach(device_t nbdev); 725d_ioctl_t drm_ioctl; 726d_open_t drm_open; 727d_read_t drm_read; 728d_poll_t drm_poll; 729d_mmap_t drm_mmap; 730extern drm_local_map_t *drm_getsarea(struct drm_device *dev); 731 732/* File operations helpers (drm_fops.c) */ 733extern int drm_open_helper(struct cdev *kdev, int flags, int fmt, 734 DRM_STRUCTPROC *p, 735 struct drm_device *dev); 736 737/* Memory management support (drm_memory.c) */ 738void drm_mem_init(void); 739void drm_mem_uninit(void); 740void *drm_ioremap_wc(struct drm_device *dev, drm_local_map_t *map); 741void *drm_ioremap(struct drm_device *dev, drm_local_map_t *map); 742void drm_ioremapfree(drm_local_map_t *map); 743int drm_mtrr_add(unsigned long offset, size_t size, int flags); 744int drm_mtrr_del(int handle, unsigned long offset, size_t size, int flags); 745 746int drm_context_switch(struct drm_device *dev, int old, int new); 747int drm_context_switch_complete(struct drm_device *dev, int new); 748 749int drm_ctxbitmap_init(struct drm_device *dev); 750void drm_ctxbitmap_cleanup(struct drm_device *dev); 751void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle); 752int drm_ctxbitmap_next(struct drm_device *dev); 753 754/* Locking IOCTL support (drm_lock.c) */ 755int drm_lock_take(struct drm_lock_data *lock_data, 756 unsigned int context); 757int drm_lock_transfer(struct drm_lock_data *lock_data, 758 unsigned int context); 759int drm_lock_free(struct drm_lock_data *lock_data, 760 unsigned int context); 761 762/* Buffer management support (drm_bufs.c) */ 763unsigned long drm_get_resource_start(struct drm_device *dev, 764 unsigned int resource); 765unsigned long drm_get_resource_len(struct drm_device *dev, 766 unsigned int resource); 767void drm_rmmap(struct drm_device *dev, drm_local_map_t *map); 768int drm_order(unsigned long size); 769int drm_addmap(struct drm_device *dev, unsigned long offset, 770 unsigned long size, 771 enum drm_map_type type, enum drm_map_flags flags, 772 drm_local_map_t **map_ptr); 773int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc *request); 774int drm_addbufs_sg(struct drm_device *dev, struct drm_buf_desc *request); 775int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc *request); 776 777/* DMA support (drm_dma.c) */ 778int drm_dma_setup(struct drm_device *dev); 779void drm_dma_takedown(struct drm_device *dev); 780void drm_free_buffer(struct drm_device *dev, drm_buf_t *buf); 781void drm_reclaim_buffers(struct drm_device *dev, struct drm_file *file_priv); 782#define drm_core_reclaim_buffers drm_reclaim_buffers 783 784/* IRQ support (drm_irq.c) */ 785int drm_irq_install(struct drm_device *dev); 786int drm_irq_uninstall(struct drm_device *dev); 787irqreturn_t drm_irq_handler(DRM_IRQ_ARGS); 788void drm_driver_irq_preinstall(struct drm_device *dev); 789void drm_driver_irq_postinstall(struct drm_device *dev); 790void drm_driver_irq_uninstall(struct drm_device *dev); 791void drm_handle_vblank(struct drm_device *dev, int crtc); 792u32 drm_vblank_count(struct drm_device *dev, int crtc); 793int drm_vblank_get(struct drm_device *dev, int crtc); 794void drm_vblank_put(struct drm_device *dev, int crtc); 795int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq); 796int drm_vblank_init(struct drm_device *dev, int num_crtcs); 797void drm_vbl_send_signals(struct drm_device *dev, int crtc); 798int drm_modeset_ctl(struct drm_device *dev, void *data, 799 struct drm_file *file_priv); 800 801/* AGP/PCI Express/GART support (drm_agpsupport.c) */ 802int drm_device_is_agp(struct drm_device *dev); 803int drm_device_is_pcie(struct drm_device *dev); 804drm_agp_head_t *drm_agp_init(void); 805int drm_agp_acquire(struct drm_device *dev); 806int drm_agp_release(struct drm_device *dev); 807int drm_agp_info(struct drm_device * dev, struct drm_agp_info *info); 808int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode); 809void *drm_agp_allocate_memory(size_t pages, u32 type); 810int drm_agp_free_memory(void *handle); 811int drm_agp_bind_memory(void *handle, off_t start); 812int drm_agp_unbind_memory(void *handle); 813int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request); 814int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request); 815int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request); 816int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request); 817 818/* Scatter Gather Support (drm_scatter.c) */ 819void drm_sg_cleanup(drm_sg_mem_t *entry); 820int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request); 821 822/* sysctl support (drm_sysctl.h) */ 823extern int drm_sysctl_init(struct drm_device *dev); 824extern int drm_sysctl_cleanup(struct drm_device *dev); 825 826/* ATI PCIGART support (ati_pcigart.c) */ 827int drm_ati_pcigart_init(struct drm_device *dev, 828 struct drm_ati_pcigart_info *gart_info); 829int drm_ati_pcigart_cleanup(struct drm_device *dev, 830 struct drm_ati_pcigart_info *gart_info); 831 832/* Locking IOCTL support (drm_drv.c) */ 833int drm_lock(struct drm_device *dev, void *data, 834 struct drm_file *file_priv); 835int drm_unlock(struct drm_device *dev, void *data, 836 struct drm_file *file_priv); 837int drm_version(struct drm_device *dev, void *data, 838 struct drm_file *file_priv); 839int drm_setversion(struct drm_device *dev, void *data, 840 struct drm_file *file_priv); 841 842/* Misc. IOCTL support (drm_ioctl.c) */ 843int drm_irq_by_busid(struct drm_device *dev, void *data, 844 struct drm_file *file_priv); 845int drm_getunique(struct drm_device *dev, void *data, 846 struct drm_file *file_priv); 847int drm_setunique(struct drm_device *dev, void *data, 848 struct drm_file *file_priv); 849int drm_getmap(struct drm_device *dev, void *data, 850 struct drm_file *file_priv); 851int drm_getclient(struct drm_device *dev, void *data, 852 struct drm_file *file_priv); 853int drm_getstats(struct drm_device *dev, void *data, 854 struct drm_file *file_priv); 855int drm_noop(struct drm_device *dev, void *data, 856 struct drm_file *file_priv); 857 858/* Context IOCTL support (drm_context.c) */ 859int drm_resctx(struct drm_device *dev, void *data, 860 struct drm_file *file_priv); 861int drm_addctx(struct drm_device *dev, void *data, 862 struct drm_file *file_priv); 863int drm_modctx(struct drm_device *dev, void *data, 864 struct drm_file *file_priv); 865int drm_getctx(struct drm_device *dev, void *data, 866 struct drm_file *file_priv); 867int drm_switchctx(struct drm_device *dev, void *data, 868 struct drm_file *file_priv); 869int drm_newctx(struct drm_device *dev, void *data, 870 struct drm_file *file_priv); 871int drm_rmctx(struct drm_device *dev, void *data, 872 struct drm_file *file_priv); 873int drm_setsareactx(struct drm_device *dev, void *data, 874 struct drm_file *file_priv); 875int drm_getsareactx(struct drm_device *dev, void *data, 876 struct drm_file *file_priv); 877 878/* Drawable IOCTL support (drm_drawable.c) */ 879int drm_adddraw(struct drm_device *dev, void *data, 880 struct drm_file *file_priv); 881int drm_rmdraw(struct drm_device *dev, void *data, 882 struct drm_file *file_priv); 883int drm_update_draw(struct drm_device *dev, void *data, 884 struct drm_file *file_priv); 885struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev, 886 int handle); 887 888/* Drawable support (drm_drawable.c) */ 889void drm_drawable_free_all(struct drm_device *dev); 890 891/* Authentication IOCTL support (drm_auth.c) */ 892int drm_getmagic(struct drm_device *dev, void *data, 893 struct drm_file *file_priv); 894int drm_authmagic(struct drm_device *dev, void *data, 895 struct drm_file *file_priv); 896 897/* Buffer management support (drm_bufs.c) */ 898int drm_addmap_ioctl(struct drm_device *dev, void *data, 899 struct drm_file *file_priv); 900int drm_rmmap_ioctl(struct drm_device *dev, void *data, 901 struct drm_file *file_priv); 902int drm_addbufs_ioctl(struct drm_device *dev, void *data, 903 struct drm_file *file_priv); 904int drm_infobufs(struct drm_device *dev, void *data, 905 struct drm_file *file_priv); 906int drm_markbufs(struct drm_device *dev, void *data, 907 struct drm_file *file_priv); 908int drm_freebufs(struct drm_device *dev, void *data, 909 struct drm_file *file_priv); 910int drm_mapbufs(struct drm_device *dev, void *data, 911 struct drm_file *file_priv); 912 913/* DMA support (drm_dma.c) */ 914int drm_dma(struct drm_device *dev, void *data, struct drm_file *file_priv); 915 916/* IRQ support (drm_irq.c) */ 917int drm_control(struct drm_device *dev, void *data, 918 struct drm_file *file_priv); 919int drm_wait_vblank(struct drm_device *dev, void *data, 920 struct drm_file *file_priv); 921void drm_locked_tasklet(struct drm_device *dev, 922 void (*tasklet)(struct drm_device *dev)); 923 924/* AGP/GART support (drm_agpsupport.c) */ 925int drm_agp_acquire_ioctl(struct drm_device *dev, void *data, 926 struct drm_file *file_priv); 927int drm_agp_release_ioctl(struct drm_device *dev, void *data, 928 struct drm_file *file_priv); 929int drm_agp_enable_ioctl(struct drm_device *dev, void *data, 930 struct drm_file *file_priv); 931int drm_agp_info_ioctl(struct drm_device *dev, void *data, 932 struct drm_file *file_priv); 933int drm_agp_alloc_ioctl(struct drm_device *dev, void *data, 934 struct drm_file *file_priv); 935int drm_agp_free_ioctl(struct drm_device *dev, void *data, 936 struct drm_file *file_priv); 937int drm_agp_unbind_ioctl(struct drm_device *dev, void *data, 938 struct drm_file *file_priv); 939int drm_agp_bind_ioctl(struct drm_device *dev, void *data, 940 struct drm_file *file_priv); 941 942/* Scatter Gather Support (drm_scatter.c) */ 943int drm_sg_alloc_ioctl(struct drm_device *dev, void *data, 944 struct drm_file *file_priv); 945int drm_sg_free(struct drm_device *dev, void *data, 946 struct drm_file *file_priv); 947 948/* consistent PCI memory functions (drm_pci.c) */ 949drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size, 950 size_t align, dma_addr_t maxaddr); 951void drm_pci_free(struct drm_device *dev, drm_dma_handle_t *dmah); 952 953/* Inline replacements for drm_alloc and friends */ 954static __inline__ void * 955drm_alloc(size_t size, struct malloc_type *area) 956{ 957 return malloc(size, area, M_NOWAIT); 958} 959 960static __inline__ void * 961drm_calloc(size_t nmemb, size_t size, struct malloc_type *area) 962{ 963 return malloc(size * nmemb, area, M_NOWAIT | M_ZERO); 964} 965 966static __inline__ void * 967drm_realloc(void *oldpt, size_t oldsize, size_t size, 968 struct malloc_type *area) 969{ 970 return reallocf(oldpt, size, area, M_NOWAIT); 971} 972 973static __inline__ void 974drm_free(void *pt, size_t size, struct malloc_type *area) 975{ 976 free(pt, area); 977} 978 979/* Inline replacements for DRM_IOREMAP macros */ 980static __inline__ void 981drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev) 982{ 983 map->handle = drm_ioremap_wc(dev, map); 984} 985static __inline__ void 986drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev) 987{ 988 map->handle = drm_ioremap(dev, map); 989} 990static __inline__ void 991drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev) 992{ 993 if ( map->handle && map->size ) 994 drm_ioremapfree(map); 995} 996 997static __inline__ struct drm_local_map * 998drm_core_findmap(struct drm_device *dev, unsigned long offset) 999{ 1000 drm_local_map_t *map; 1001 1002 DRM_SPINLOCK_ASSERT(&dev->dev_lock); 1003 TAILQ_FOREACH(map, &dev->maplist, link) { 1004 if (map->offset == offset) 1005 return map; 1006 } 1007 return NULL; 1008} 1009 1010static __inline__ void drm_core_dropmap(struct drm_map *map) 1011{ 1012} 1013 1014#endif /* __KERNEL__ */ 1015#endif /* _DRM_P_H_ */ 1016