drmP.h revision 196465
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 196465 2009-08-23 14:31:20Z rnoland $"); 36 37#ifndef _DRM_P_H_ 38#define _DRM_P_H_ 39 40#if defined(_KERNEL) || defined(__KERNEL__) 41 42struct drm_device; 43struct drm_file; 44 45#include <sys/param.h> 46#include <sys/queue.h> 47#include <sys/malloc.h> 48#include <sys/kernel.h> 49#include <sys/module.h> 50#include <sys/systm.h> 51#include <sys/conf.h> 52#include <sys/stat.h> 53#if __FreeBSD_version >= 700000 54#include <sys/priv.h> 55#endif 56#include <sys/proc.h> 57#include <sys/lock.h> 58#include <sys/fcntl.h> 59#include <sys/uio.h> 60#include <sys/filio.h> 61#include <sys/sysctl.h> 62#include <sys/bus.h> 63#include <sys/signalvar.h> 64#include <sys/poll.h> 65#include <sys/tree.h> 66#include <vm/vm.h> 67#include <vm/pmap.h> 68#include <vm/vm_extern.h> 69#include <vm/vm_map.h> 70#include <vm/vm_param.h> 71#include <machine/param.h> 72#include <machine/pmap.h> 73#include <machine/bus.h> 74#include <machine/resource.h> 75#include <machine/specialreg.h> 76#include <machine/sysarch.h> 77#include <sys/endian.h> 78#include <sys/mman.h> 79#include <sys/rman.h> 80#include <sys/memrange.h> 81#if __FreeBSD_version >= 800004 82#include <dev/agp/agpvar.h> 83#else /* __FreeBSD_version >= 800004 */ 84#include <pci/agpvar.h> 85#endif /* __FreeBSD_version >= 800004 */ 86#include <sys/agpio.h> 87#include <sys/mutex.h> 88#include <dev/pci/pcivar.h> 89#include <dev/pci/pcireg.h> 90#include <sys/selinfo.h> 91#include <sys/bus.h> 92 93#include "dev/drm/drm.h" 94#include "dev/drm/drm_linux_list.h" 95#include "dev/drm/drm_atomic.h" 96#include "dev/drm/drm_internal.h" 97 98#include <opt_drm.h> 99#ifdef DRM_DEBUG 100#undef DRM_DEBUG 101#define DRM_DEBUG_DEFAULT_ON 1 102#endif /* DRM_DEBUG */ 103 104#if defined(DRM_LINUX) && DRM_LINUX && !defined(__amd64__) 105#include <sys/file.h> 106#include <sys/proc.h> 107#include <machine/../linux/linux.h> 108#include <machine/../linux/linux_proto.h> 109#else 110/* Either it was defined when it shouldn't be (FreeBSD amd64) or it isn't 111 * supported on this OS yet. 112 */ 113#undef DRM_LINUX 114#define DRM_LINUX 0 115#endif 116 117/* driver capabilities and requirements mask */ 118#define DRIVER_USE_AGP 0x1 119#define DRIVER_REQUIRE_AGP 0x2 120#define DRIVER_USE_MTRR 0x4 121#define DRIVER_PCI_DMA 0x8 122#define DRIVER_SG 0x10 123#define DRIVER_HAVE_DMA 0x20 124#define DRIVER_HAVE_IRQ 0x40 125#define DRIVER_DMA_QUEUE 0x100 126 127 128#define DRM_HASH_SIZE 16 /* Size of key hash table */ 129#define DRM_KERNEL_CONTEXT 0 /* Change drm_resctx if changed */ 130#define DRM_RESERVED_CONTEXTS 1 /* Change drm_resctx if changed */ 131 132MALLOC_DECLARE(DRM_MEM_DMA); 133MALLOC_DECLARE(DRM_MEM_SAREA); 134MALLOC_DECLARE(DRM_MEM_DRIVER); 135MALLOC_DECLARE(DRM_MEM_MAGIC); 136MALLOC_DECLARE(DRM_MEM_IOCTLS); 137MALLOC_DECLARE(DRM_MEM_MAPS); 138MALLOC_DECLARE(DRM_MEM_BUFS); 139MALLOC_DECLARE(DRM_MEM_SEGS); 140MALLOC_DECLARE(DRM_MEM_PAGES); 141MALLOC_DECLARE(DRM_MEM_FILES); 142MALLOC_DECLARE(DRM_MEM_QUEUES); 143MALLOC_DECLARE(DRM_MEM_CMDS); 144MALLOC_DECLARE(DRM_MEM_MAPPINGS); 145MALLOC_DECLARE(DRM_MEM_BUFLISTS); 146MALLOC_DECLARE(DRM_MEM_AGPLISTS); 147MALLOC_DECLARE(DRM_MEM_CTXBITMAP); 148MALLOC_DECLARE(DRM_MEM_SGLISTS); 149MALLOC_DECLARE(DRM_MEM_DRAWABLE); 150 151#define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) 152 153 /* Internal types and structures */ 154#define DRM_ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) 155#define DRM_MIN(a,b) ((a)<(b)?(a):(b)) 156#define DRM_MAX(a,b) ((a)>(b)?(a):(b)) 157 158#define DRM_IF_VERSION(maj, min) (maj << 16 | min) 159 160#define __OS_HAS_AGP 1 161 162#define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP) 163#define DRM_DEV_UID 0 164#define DRM_DEV_GID 0 165 166#define wait_queue_head_t atomic_t 167#define DRM_WAKEUP(w) wakeup((void *)w) 168#define DRM_WAKEUP_INT(w) wakeup(w) 169#define DRM_INIT_WAITQUEUE(queue) do {(void)(queue);} while (0) 170 171#define DRM_CURPROC curthread 172#define DRM_STRUCTPROC struct thread 173#define DRM_SPINTYPE struct mtx 174#define DRM_SPININIT(l,name) mtx_init(l, name, NULL, MTX_DEF) 175#define DRM_SPINUNINIT(l) mtx_destroy(l) 176#define DRM_SPINLOCK(l) mtx_lock(l) 177#define DRM_SPINUNLOCK(u) mtx_unlock(u) 178#define DRM_SPINLOCK_IRQSAVE(l, irqflags) do { \ 179 mtx_lock(l); \ 180 (void)irqflags; \ 181} while (0) 182#define DRM_SPINUNLOCK_IRQRESTORE(u, irqflags) mtx_unlock(u) 183#define DRM_SPINLOCK_ASSERT(l) mtx_assert(l, MA_OWNED) 184#define DRM_CURRENTPID curthread->td_proc->p_pid 185#define DRM_LOCK() mtx_lock(&dev->dev_lock) 186#define DRM_UNLOCK() mtx_unlock(&dev->dev_lock) 187#define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS) 188 189#define DRM_IRQ_ARGS void *arg 190typedef void irqreturn_t; 191#define IRQ_HANDLED /* nothing */ 192#define IRQ_NONE /* nothing */ 193 194enum { 195 DRM_IS_NOT_AGP, 196 DRM_IS_AGP, 197 DRM_MIGHT_BE_AGP 198}; 199#define DRM_AGP_MEM struct agp_memory_info 200 201#define drm_get_device_from_kdev(_kdev) (_kdev->si_drv1) 202 203#define PAGE_ALIGN(addr) round_page(addr) 204/* DRM_SUSER returns true if the user is superuser */ 205#if __FreeBSD_version >= 700000 206#define DRM_SUSER(p) (priv_check(p, PRIV_DRIVER) == 0) 207#else 208#define DRM_SUSER(p) (suser(p) == 0) 209#endif 210#define DRM_AGP_FIND_DEVICE() agp_find_device() 211#define DRM_MTRR_WC MDF_WRITECOMBINE 212#define jiffies ticks 213 214typedef unsigned long dma_addr_t; 215typedef u_int64_t u64; 216typedef u_int32_t u32; 217typedef u_int16_t u16; 218typedef u_int8_t u8; 219 220/* DRM_READMEMORYBARRIER() prevents reordering of reads. 221 * DRM_WRITEMEMORYBARRIER() prevents reordering of writes. 222 * DRM_MEMORYBARRIER() prevents reordering of reads and writes. 223 */ 224#if defined(__i386__) 225#define DRM_READMEMORYBARRIER() __asm __volatile( \ 226 "lock; addl $0,0(%%esp)" : : : "memory"); 227#define DRM_WRITEMEMORYBARRIER() __asm __volatile("" : : : "memory"); 228#define DRM_MEMORYBARRIER() __asm __volatile( \ 229 "lock; addl $0,0(%%esp)" : : : "memory"); 230#elif defined(__alpha__) 231#define DRM_READMEMORYBARRIER() alpha_mb(); 232#define DRM_WRITEMEMORYBARRIER() alpha_wmb(); 233#define DRM_MEMORYBARRIER() alpha_mb(); 234#elif defined(__amd64__) 235#define DRM_READMEMORYBARRIER() __asm __volatile( \ 236 "lock; addl $0,0(%%rsp)" : : : "memory"); 237#define DRM_WRITEMEMORYBARRIER() __asm __volatile("" : : : "memory"); 238#define DRM_MEMORYBARRIER() __asm __volatile( \ 239 "lock; addl $0,0(%%rsp)" : : : "memory"); 240#endif 241 242#define DRM_READ8(map, offset) \ 243 *(volatile u_int8_t *)(((vm_offset_t)(map)->handle) + \ 244 (vm_offset_t)(offset)) 245#define DRM_READ16(map, offset) \ 246 *(volatile u_int16_t *)(((vm_offset_t)(map)->handle) + \ 247 (vm_offset_t)(offset)) 248#define DRM_READ32(map, offset) \ 249 *(volatile u_int32_t *)(((vm_offset_t)(map)->handle) + \ 250 (vm_offset_t)(offset)) 251#define DRM_WRITE8(map, offset, val) \ 252 *(volatile u_int8_t *)(((vm_offset_t)(map)->handle) + \ 253 (vm_offset_t)(offset)) = val 254#define DRM_WRITE16(map, offset, val) \ 255 *(volatile u_int16_t *)(((vm_offset_t)(map)->handle) + \ 256 (vm_offset_t)(offset)) = val 257#define DRM_WRITE32(map, offset, val) \ 258 *(volatile u_int32_t *)(((vm_offset_t)(map)->handle) + \ 259 (vm_offset_t)(offset)) = val 260 261#define DRM_VERIFYAREA_READ( uaddr, size ) \ 262 (!useracc(__DECONST(caddr_t, uaddr), size, VM_PROT_READ)) 263 264#define DRM_COPY_TO_USER(user, kern, size) \ 265 copyout(kern, user, size) 266#define DRM_COPY_FROM_USER(kern, user, size) \ 267 copyin(user, kern, size) 268#define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \ 269 copyin(arg2, arg1, arg3) 270#define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \ 271 copyout(arg2, arg1, arg3) 272#define DRM_GET_USER_UNCHECKED(val, uaddr) \ 273 ((val) = fuword32(uaddr), 0) 274 275#define cpu_to_le32(x) htole32(x) 276#define le32_to_cpu(x) le32toh(x) 277 278#define DRM_HZ hz 279#define DRM_UDELAY(udelay) DELAY(udelay) 280#define DRM_TIME_SLICE (hz/20) /* Time slice for GLXContexts */ 281 282#define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \ 283 (_map) = (_dev)->context_sareas[_ctx]; \ 284} while(0) 285 286#define LOCK_TEST_WITH_RETURN(dev, file_priv) \ 287do { \ 288 if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \ 289 dev->lock.file_priv != file_priv) { \ 290 DRM_ERROR("%s called without lock held\n", \ 291 __FUNCTION__); \ 292 return EINVAL; \ 293 } \ 294} while (0) 295 296/* Returns -errno to shared code */ 297#define DRM_WAIT_ON( ret, queue, timeout, condition ) \ 298for ( ret = 0 ; !ret && !(condition) ; ) { \ 299 DRM_UNLOCK(); \ 300 mtx_lock(&dev->irq_lock); \ 301 if (!(condition)) \ 302 ret = -mtx_sleep(&(queue), &dev->irq_lock, \ 303 PCATCH, "drmwtq", (timeout)); \ 304 mtx_unlock(&dev->irq_lock); \ 305 DRM_LOCK(); \ 306} 307 308#define DRM_ERROR(fmt, ...) \ 309 printf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt, \ 310 DRM_CURRENTPID, __func__ , ##__VA_ARGS__) 311 312#define DRM_INFO(fmt, ...) printf("info: [" DRM_NAME "] " fmt , ##__VA_ARGS__) 313 314#define DRM_DEBUG(fmt, ...) do { \ 315 if (drm_debug_flag) \ 316 printf("[" DRM_NAME ":pid%d:%s] " fmt, DRM_CURRENTPID, \ 317 __func__ , ##__VA_ARGS__); \ 318} while (0) 319 320typedef struct drm_pci_id_list 321{ 322 int vendor; 323 int device; 324 long driver_private; 325 char *name; 326} drm_pci_id_list_t; 327 328struct drm_msi_blacklist_entry 329{ 330 int vendor; 331 int device; 332}; 333 334#define DRM_AUTH 0x1 335#define DRM_MASTER 0x2 336#define DRM_ROOT_ONLY 0x4 337typedef struct drm_ioctl_desc { 338 unsigned long cmd; 339 int (*func)(struct drm_device *dev, void *data, 340 struct drm_file *file_priv); 341 int flags; 342} drm_ioctl_desc_t; 343/** 344 * Creates a driver or general drm_ioctl_desc array entry for the given 345 * ioctl, for use by drm_ioctl(). 346 */ 347#define DRM_IOCTL_DEF(ioctl, func, flags) \ 348 [DRM_IOCTL_NR(ioctl)] = {ioctl, func, flags} 349 350typedef struct drm_magic_entry { 351 drm_magic_t magic; 352 struct drm_file *priv; 353 struct drm_magic_entry *next; 354} drm_magic_entry_t; 355 356typedef struct drm_magic_head { 357 struct drm_magic_entry *head; 358 struct drm_magic_entry *tail; 359} drm_magic_head_t; 360 361typedef struct drm_buf { 362 int idx; /* Index into master buflist */ 363 int total; /* Buffer size */ 364 int order; /* log-base-2(total) */ 365 int used; /* Amount of buffer in use (for DMA) */ 366 unsigned long offset; /* Byte offset (used internally) */ 367 void *address; /* Address of buffer */ 368 unsigned long bus_address; /* Bus address of buffer */ 369 struct drm_buf *next; /* Kernel-only: used for free list */ 370 __volatile__ int pending; /* On hardware DMA queue */ 371 struct drm_file *file_priv; /* Unique identifier of holding process */ 372 int context; /* Kernel queue for this buffer */ 373 enum { 374 DRM_LIST_NONE = 0, 375 DRM_LIST_FREE = 1, 376 DRM_LIST_WAIT = 2, 377 DRM_LIST_PEND = 3, 378 DRM_LIST_PRIO = 4, 379 DRM_LIST_RECLAIM = 5 380 } list; /* Which list we're on */ 381 382 int dev_priv_size; /* Size of buffer private stoarge */ 383 void *dev_private; /* Per-buffer private storage */ 384} drm_buf_t; 385 386typedef struct drm_freelist { 387 int initialized; /* Freelist in use */ 388 atomic_t count; /* Number of free buffers */ 389 drm_buf_t *next; /* End pointer */ 390 391 int low_mark; /* Low water mark */ 392 int high_mark; /* High water mark */ 393} drm_freelist_t; 394 395typedef struct drm_dma_handle { 396 void *vaddr; 397 bus_addr_t busaddr; 398 bus_dma_tag_t tag; 399 bus_dmamap_t map; 400} drm_dma_handle_t; 401 402typedef struct drm_buf_entry { 403 int buf_size; 404 int buf_count; 405 drm_buf_t *buflist; 406 int seg_count; 407 drm_dma_handle_t **seglist; 408 int page_order; 409 410 drm_freelist_t freelist; 411} drm_buf_entry_t; 412 413typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t; 414struct drm_file { 415 TAILQ_ENTRY(drm_file) link; 416 struct drm_device *dev; 417 int authenticated; 418 int master; 419 pid_t pid; 420 uid_t uid; 421 drm_magic_t magic; 422 unsigned long ioctl_count; 423 void *driver_priv; 424}; 425 426typedef struct drm_lock_data { 427 struct drm_hw_lock *hw_lock; /* Hardware lock */ 428 struct drm_file *file_priv; /* Unique identifier of holding process (NULL is kernel)*/ 429 int lock_queue; /* Queue of blocked processes */ 430 unsigned long lock_time; /* Time of last lock in jiffies */ 431} drm_lock_data_t; 432 433/* This structure, in the struct drm_device, is always initialized while the 434 * device 435 * is open. dev->dma_lock protects the incrementing of dev->buf_use, which 436 * when set marks that no further bufs may be allocated until device teardown 437 * occurs (when the last open of the device has closed). The high/low 438 * watermarks of bufs are only touched by the X Server, and thus not 439 * concurrently accessed, so no locking is needed. 440 */ 441typedef struct drm_device_dma { 442 drm_buf_entry_t bufs[DRM_MAX_ORDER+1]; 443 int buf_count; 444 drm_buf_t **buflist; /* Vector of pointers info bufs */ 445 int seg_count; 446 int page_count; 447 unsigned long *pagelist; 448 unsigned long byte_count; 449 enum { 450 _DRM_DMA_USE_AGP = 0x01, 451 _DRM_DMA_USE_SG = 0x02 452 } flags; 453} drm_device_dma_t; 454 455typedef struct drm_agp_mem { 456 void *handle; 457 unsigned long bound; /* address */ 458 int pages; 459 struct drm_agp_mem *prev; 460 struct drm_agp_mem *next; 461} drm_agp_mem_t; 462 463typedef struct drm_agp_head { 464 device_t agpdev; 465 struct agp_info info; 466 const char *chipset; 467 drm_agp_mem_t *memory; 468 unsigned long mode; 469 int enabled; 470 int acquired; 471 unsigned long base; 472 int mtrr; 473 int cant_use_aperture; 474 unsigned long page_mask; 475} drm_agp_head_t; 476 477typedef struct drm_sg_mem { 478 unsigned long handle; 479 void *virtual; 480 int pages; 481 dma_addr_t *busaddr; 482 struct drm_dma_handle *dmah; /* Handle to PCI memory */ 483} drm_sg_mem_t; 484 485typedef TAILQ_HEAD(drm_map_list, drm_local_map) drm_map_list_t; 486 487typedef struct drm_local_map { 488 unsigned long offset; /* Physical address (0 for SAREA)*/ 489 unsigned long size; /* Physical size (bytes) */ 490 enum drm_map_type type; /* Type of memory mapped */ 491 enum drm_map_flags flags; /* Flags */ 492 void *handle; /* User-space: "Handle" to pass to mmap */ 493 /* Kernel-space: kernel-virtual address */ 494 int mtrr; /* Boolean: MTRR used */ 495 /* Private data */ 496 int rid; /* PCI resource ID for bus_space */ 497 struct resource *bsr; 498 bus_space_tag_t bst; 499 bus_space_handle_t bsh; 500 drm_dma_handle_t *dmah; 501 TAILQ_ENTRY(drm_local_map) link; 502} drm_local_map_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 atomic_t refcount; /* number of users of vblank interrupts */ 509 u32 last; /* protected by dev->vbl_lock, used */ 510 /* for wraparound handling */ 511 int enabled; /* so we don't call enable more than */ 512 /* once per disable */ 513 int inmodeset; /* Display driver is setting mode */ 514}; 515 516/* location of GART table */ 517#define DRM_ATI_GART_MAIN 1 518#define DRM_ATI_GART_FB 2 519 520#define DRM_ATI_GART_PCI 1 521#define DRM_ATI_GART_PCIE 2 522#define DRM_ATI_GART_IGP 3 523 524struct drm_ati_pcigart_info { 525 int gart_table_location; 526 int gart_reg_if; 527 void *addr; 528 dma_addr_t bus_addr; 529 dma_addr_t table_mask; 530 dma_addr_t member_mask; 531 struct drm_dma_handle *table_handle; 532 drm_local_map_t mapping; 533 int table_size; 534 struct drm_dma_handle *dmah; /* handle for ATI PCIGART table */ 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 6 606 607/** 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; 631 632 /* Usage Counters */ 633 int open_count; /* Outstanding files open */ 634 int buf_use; /* Buffers in use -- cannot alloc */ 635 636 /* Performance counters */ 637 unsigned long counters; 638 enum drm_stat_type types[15]; 639 atomic_t counts[15]; 640 641 /* Authentication */ 642 drm_file_list_t files; 643 drm_magic_head_t magiclist[DRM_HASH_SIZE]; 644 645 /* Linked list of mappable regions. Protected by dev_lock */ 646 drm_map_list_t maplist; 647 648 drm_local_map_t **context_sareas; 649 int max_context; 650 651 drm_lock_data_t lock; /* Information on hardware lock */ 652 653 /* DMA queues (contexts) */ 654 drm_device_dma_t *dma; /* Optional pointer for DMA support */ 655 656 /* Context support */ 657 int irq; /* Interrupt used by board */ 658 int irq_enabled; /* True if the irq handler is enabled */ 659 int msi_enabled; /* MSI 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 struct callout vblank_disable_timer; 678 u32 max_vblank_count; /* size of vblank counter register */ 679 struct drm_vblank_info *vblank; /* per crtc vblank info */ 680 int num_crtcs; 681 682 struct sigio *buf_sigio; /* Processes waiting for SIGIO */ 683 684 /* Sysctl support */ 685 struct drm_sysctl_info *sysctl; 686 687 drm_agp_head_t *agp; 688 drm_sg_mem_t *sg; /* Scatter gather memory */ 689 atomic_t *ctx_bitmap; 690 void *dev_private; 691 unsigned int agp_buffer_token; 692 drm_local_map_t *agp_buffer_map; 693 694 struct unrhdr *drw_unrhdr; 695 /* RB tree of drawable infos */ 696 RB_HEAD(drawable_tree, bsd_drm_drawable_info) drw_head; 697}; 698 699static __inline__ int drm_core_check_feature(struct drm_device *dev, 700 int feature) 701{ 702 return ((dev->driver->driver_features & feature) ? 1 : 0); 703} 704 705#if __OS_HAS_AGP 706static inline int drm_core_has_AGP(struct drm_device *dev) 707{ 708 return drm_core_check_feature(dev, DRIVER_USE_AGP); 709} 710#else 711#define drm_core_has_AGP(dev) (0) 712#endif 713 714extern int drm_debug_flag; 715 716/* Device setup support (drm_drv.c) */ 717int drm_probe(device_t kdev, drm_pci_id_list_t *idlist); 718int drm_attach(device_t kdev, drm_pci_id_list_t *idlist); 719void drm_close(void *data); 720int drm_detach(device_t kdev); 721d_ioctl_t drm_ioctl; 722d_open_t drm_open; 723d_read_t drm_read; 724d_poll_t drm_poll; 725d_mmap_t drm_mmap; 726extern drm_local_map_t *drm_getsarea(struct drm_device *dev); 727 728/* File operations helpers (drm_fops.c) */ 729extern int drm_open_helper(struct cdev *kdev, int flags, int fmt, 730 DRM_STRUCTPROC *p, 731 struct drm_device *dev); 732 733/* Memory management support (drm_memory.c) */ 734void drm_mem_init(void); 735void drm_mem_uninit(void); 736void *drm_ioremap_wc(struct drm_device *dev, drm_local_map_t *map); 737void *drm_ioremap(struct drm_device *dev, drm_local_map_t *map); 738void drm_ioremapfree(drm_local_map_t *map); 739int drm_mtrr_add(unsigned long offset, size_t size, int flags); 740int drm_mtrr_del(int handle, unsigned long offset, size_t size, int flags); 741 742int drm_context_switch(struct drm_device *dev, int old, int new); 743int drm_context_switch_complete(struct drm_device *dev, int new); 744 745int drm_ctxbitmap_init(struct drm_device *dev); 746void drm_ctxbitmap_cleanup(struct drm_device *dev); 747void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle); 748int drm_ctxbitmap_next(struct drm_device *dev); 749 750/* Locking IOCTL support (drm_lock.c) */ 751int drm_lock_take(struct drm_lock_data *lock_data, 752 unsigned int context); 753int drm_lock_transfer(struct drm_lock_data *lock_data, 754 unsigned int context); 755int drm_lock_free(struct drm_lock_data *lock_data, 756 unsigned int context); 757 758/* Buffer management support (drm_bufs.c) */ 759unsigned long drm_get_resource_start(struct drm_device *dev, 760 unsigned int resource); 761unsigned long drm_get_resource_len(struct drm_device *dev, 762 unsigned int resource); 763void drm_rmmap(struct drm_device *dev, drm_local_map_t *map); 764int drm_order(unsigned long size); 765int drm_addmap(struct drm_device *dev, unsigned long offset, 766 unsigned long size, 767 enum drm_map_type type, enum drm_map_flags flags, 768 drm_local_map_t **map_ptr); 769int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc *request); 770int drm_addbufs_sg(struct drm_device *dev, struct drm_buf_desc *request); 771int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc *request); 772 773/* DMA support (drm_dma.c) */ 774int drm_dma_setup(struct drm_device *dev); 775void drm_dma_takedown(struct drm_device *dev); 776void drm_free_buffer(struct drm_device *dev, drm_buf_t *buf); 777void drm_reclaim_buffers(struct drm_device *dev, struct drm_file *file_priv); 778#define drm_core_reclaim_buffers drm_reclaim_buffers 779 780/* IRQ support (drm_irq.c) */ 781int drm_irq_install(struct drm_device *dev); 782int drm_irq_uninstall(struct drm_device *dev); 783irqreturn_t drm_irq_handler(DRM_IRQ_ARGS); 784void drm_driver_irq_preinstall(struct drm_device *dev); 785void drm_driver_irq_postinstall(struct drm_device *dev); 786void drm_driver_irq_uninstall(struct drm_device *dev); 787void drm_handle_vblank(struct drm_device *dev, int crtc); 788u32 drm_vblank_count(struct drm_device *dev, int crtc); 789int drm_vblank_get(struct drm_device *dev, int crtc); 790void drm_vblank_put(struct drm_device *dev, int crtc); 791void drm_vblank_cleanup(struct drm_device *dev); 792int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq); 793int drm_vblank_init(struct drm_device *dev, int num_crtcs); 794int drm_modeset_ctl(struct drm_device *dev, void *data, 795 struct drm_file *file_priv); 796 797/* AGP/PCI Express/GART support (drm_agpsupport.c) */ 798int drm_device_is_agp(struct drm_device *dev); 799int drm_device_is_pcie(struct drm_device *dev); 800drm_agp_head_t *drm_agp_init(void); 801int drm_agp_acquire(struct drm_device *dev); 802int drm_agp_release(struct drm_device *dev); 803int drm_agp_info(struct drm_device * dev, struct drm_agp_info *info); 804int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode); 805void *drm_agp_allocate_memory(size_t pages, u32 type); 806int drm_agp_free_memory(void *handle); 807int drm_agp_bind_memory(void *handle, off_t start); 808int drm_agp_unbind_memory(void *handle); 809int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request); 810int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request); 811int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request); 812int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request); 813 814/* Scatter Gather Support (drm_scatter.c) */ 815void drm_sg_cleanup(drm_sg_mem_t *entry); 816int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request); 817 818/* sysctl support (drm_sysctl.h) */ 819extern int drm_sysctl_init(struct drm_device *dev); 820extern int drm_sysctl_cleanup(struct drm_device *dev); 821 822/* ATI PCIGART support (ati_pcigart.c) */ 823int drm_ati_pcigart_init(struct drm_device *dev, 824 struct drm_ati_pcigart_info *gart_info); 825int drm_ati_pcigart_cleanup(struct drm_device *dev, 826 struct drm_ati_pcigart_info *gart_info); 827 828/* Locking IOCTL support (drm_drv.c) */ 829int drm_lock(struct drm_device *dev, void *data, 830 struct drm_file *file_priv); 831int drm_unlock(struct drm_device *dev, void *data, 832 struct drm_file *file_priv); 833int drm_version(struct drm_device *dev, void *data, 834 struct drm_file *file_priv); 835int drm_setversion(struct drm_device *dev, void *data, 836 struct drm_file *file_priv); 837 838/* Misc. IOCTL support (drm_ioctl.c) */ 839int drm_irq_by_busid(struct drm_device *dev, void *data, 840 struct drm_file *file_priv); 841int drm_getunique(struct drm_device *dev, void *data, 842 struct drm_file *file_priv); 843int drm_setunique(struct drm_device *dev, void *data, 844 struct drm_file *file_priv); 845int drm_getmap(struct drm_device *dev, void *data, 846 struct drm_file *file_priv); 847int drm_getclient(struct drm_device *dev, void *data, 848 struct drm_file *file_priv); 849int drm_getstats(struct drm_device *dev, void *data, 850 struct drm_file *file_priv); 851int drm_noop(struct drm_device *dev, void *data, 852 struct drm_file *file_priv); 853 854/* Context IOCTL support (drm_context.c) */ 855int drm_resctx(struct drm_device *dev, void *data, 856 struct drm_file *file_priv); 857int drm_addctx(struct drm_device *dev, void *data, 858 struct drm_file *file_priv); 859int drm_modctx(struct drm_device *dev, void *data, 860 struct drm_file *file_priv); 861int drm_getctx(struct drm_device *dev, void *data, 862 struct drm_file *file_priv); 863int drm_switchctx(struct drm_device *dev, void *data, 864 struct drm_file *file_priv); 865int drm_newctx(struct drm_device *dev, void *data, 866 struct drm_file *file_priv); 867int drm_rmctx(struct drm_device *dev, void *data, 868 struct drm_file *file_priv); 869int drm_setsareactx(struct drm_device *dev, void *data, 870 struct drm_file *file_priv); 871int drm_getsareactx(struct drm_device *dev, void *data, 872 struct drm_file *file_priv); 873 874/* Drawable IOCTL support (drm_drawable.c) */ 875int drm_adddraw(struct drm_device *dev, void *data, 876 struct drm_file *file_priv); 877int drm_rmdraw(struct drm_device *dev, void *data, 878 struct drm_file *file_priv); 879int drm_update_draw(struct drm_device *dev, void *data, 880 struct drm_file *file_priv); 881struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev, 882 int handle); 883 884/* Drawable support (drm_drawable.c) */ 885void drm_drawable_free_all(struct drm_device *dev); 886 887/* Authentication IOCTL support (drm_auth.c) */ 888int drm_getmagic(struct drm_device *dev, void *data, 889 struct drm_file *file_priv); 890int drm_authmagic(struct drm_device *dev, void *data, 891 struct drm_file *file_priv); 892 893/* Buffer management support (drm_bufs.c) */ 894int drm_addmap_ioctl(struct drm_device *dev, void *data, 895 struct drm_file *file_priv); 896int drm_rmmap_ioctl(struct drm_device *dev, void *data, 897 struct drm_file *file_priv); 898int drm_addbufs(struct drm_device *dev, void *data, 899 struct drm_file *file_priv); 900int drm_infobufs(struct drm_device *dev, void *data, 901 struct drm_file *file_priv); 902int drm_markbufs(struct drm_device *dev, void *data, 903 struct drm_file *file_priv); 904int drm_freebufs(struct drm_device *dev, void *data, 905 struct drm_file *file_priv); 906int drm_mapbufs(struct drm_device *dev, void *data, 907 struct drm_file *file_priv); 908 909/* DMA support (drm_dma.c) */ 910int drm_dma(struct drm_device *dev, void *data, struct drm_file *file_priv); 911 912/* IRQ support (drm_irq.c) */ 913int drm_control(struct drm_device *dev, void *data, 914 struct drm_file *file_priv); 915int drm_wait_vblank(struct drm_device *dev, void *data, 916 struct drm_file *file_priv); 917 918/* AGP/GART support (drm_agpsupport.c) */ 919int drm_agp_acquire_ioctl(struct drm_device *dev, void *data, 920 struct drm_file *file_priv); 921int drm_agp_release_ioctl(struct drm_device *dev, void *data, 922 struct drm_file *file_priv); 923int drm_agp_enable_ioctl(struct drm_device *dev, void *data, 924 struct drm_file *file_priv); 925int drm_agp_info_ioctl(struct drm_device *dev, void *data, 926 struct drm_file *file_priv); 927int drm_agp_alloc_ioctl(struct drm_device *dev, void *data, 928 struct drm_file *file_priv); 929int drm_agp_free_ioctl(struct drm_device *dev, void *data, 930 struct drm_file *file_priv); 931int drm_agp_unbind_ioctl(struct drm_device *dev, void *data, 932 struct drm_file *file_priv); 933int drm_agp_bind_ioctl(struct drm_device *dev, void *data, 934 struct drm_file *file_priv); 935 936/* Scatter Gather Support (drm_scatter.c) */ 937int drm_sg_alloc_ioctl(struct drm_device *dev, void *data, 938 struct drm_file *file_priv); 939int drm_sg_free(struct drm_device *dev, void *data, 940 struct drm_file *file_priv); 941 942/* consistent PCI memory functions (drm_pci.c) */ 943drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size, 944 size_t align, dma_addr_t maxaddr); 945void drm_pci_free(struct drm_device *dev, drm_dma_handle_t *dmah); 946 947/* Inline replacements for drm_alloc and friends */ 948static __inline__ void * 949drm_alloc(size_t size, struct malloc_type *area) 950{ 951 return malloc(size, area, M_NOWAIT); 952} 953 954static __inline__ void * 955drm_calloc(size_t nmemb, size_t size, struct malloc_type *area) 956{ 957 return malloc(size * nmemb, area, M_NOWAIT | M_ZERO); 958} 959 960static __inline__ void * 961drm_realloc(void *oldpt, size_t oldsize, size_t size, 962 struct malloc_type *area) 963{ 964 return reallocf(oldpt, size, area, M_NOWAIT); 965} 966 967static __inline__ void 968drm_free(void *pt, size_t size, struct malloc_type *area) 969{ 970 free(pt, area); 971} 972 973/* Inline replacements for DRM_IOREMAP macros */ 974static __inline__ void 975drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev) 976{ 977 map->handle = drm_ioremap_wc(dev, map); 978} 979static __inline__ void 980drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev) 981{ 982 map->handle = drm_ioremap(dev, map); 983} 984static __inline__ void 985drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev) 986{ 987 if ( map->handle && map->size ) 988 drm_ioremapfree(map); 989} 990 991static __inline__ struct drm_local_map * 992drm_core_findmap(struct drm_device *dev, unsigned long offset) 993{ 994 drm_local_map_t *map; 995 996 DRM_SPINLOCK_ASSERT(&dev->dev_lock); 997 TAILQ_FOREACH(map, &dev->maplist, link) { 998 if (map->offset == offset) 999 return map; 1000 } 1001 return NULL; 1002} 1003 1004static __inline__ void drm_core_dropmap(struct drm_map *map) 1005{ 1006} 1007 1008#endif /* __KERNEL__ */ 1009#endif /* _DRM_P_H_ */ 1010