drmP.h revision 189049
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 189049 2009-02-25 18:44:50Z 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 *) (((unsigned long)(map)->handle) + (offset)) 244#define DRM_READ16(map, offset) \ 245 *(volatile u_int16_t *) (((unsigned long)(map)->handle) + (offset)) 246#define DRM_READ32(map, offset) \ 247 *(volatile u_int32_t *)(((unsigned long)(map)->handle) + (offset)) 248#define DRM_WRITE8(map, offset, val) \ 249 *(volatile u_int8_t *) (((unsigned long)(map)->handle) + (offset)) = val 250#define DRM_WRITE16(map, offset, val) \ 251 *(volatile u_int16_t *) (((unsigned long)(map)->handle) + (offset)) = val 252#define DRM_WRITE32(map, offset, val) \ 253 *(volatile u_int32_t *)(((unsigned long)(map)->handle) + (offset)) = val 254 255#define DRM_VERIFYAREA_READ( uaddr, size ) \ 256 (!useracc(__DECONST(caddr_t, uaddr), size, VM_PROT_READ)) 257 258#define DRM_COPY_TO_USER(user, kern, size) \ 259 copyout(kern, user, size) 260#define DRM_COPY_FROM_USER(kern, user, size) \ 261 copyin(user, kern, size) 262#define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \ 263 copyin(arg2, arg1, arg3) 264#define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \ 265 copyout(arg2, arg1, arg3) 266#define DRM_GET_USER_UNCHECKED(val, uaddr) \ 267 ((val) = fuword32(uaddr), 0) 268 269#define cpu_to_le32(x) htole32(x) 270#define le32_to_cpu(x) le32toh(x) 271 272#define DRM_HZ hz 273#define DRM_UDELAY(udelay) DELAY(udelay) 274#define DRM_TIME_SLICE (hz/20) /* Time slice for GLXContexts */ 275 276#define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \ 277 (_map) = (_dev)->context_sareas[_ctx]; \ 278} while(0) 279 280#define LOCK_TEST_WITH_RETURN(dev, file_priv) \ 281do { \ 282 if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \ 283 dev->lock.file_priv != file_priv) { \ 284 DRM_ERROR("%s called without lock held\n", \ 285 __FUNCTION__); \ 286 return EINVAL; \ 287 } \ 288} while (0) 289 290/* Returns -errno to shared code */ 291#define DRM_WAIT_ON( ret, queue, timeout, condition ) \ 292for ( ret = 0 ; !ret && !(condition) ; ) { \ 293 DRM_UNLOCK(); \ 294 mtx_lock(&dev->irq_lock); \ 295 if (!(condition)) \ 296 ret = -mtx_sleep(&(queue), &dev->irq_lock, \ 297 PCATCH, "drmwtq", (timeout)); \ 298 mtx_unlock(&dev->irq_lock); \ 299 DRM_LOCK(); \ 300} 301 302#define DRM_ERROR(fmt, ...) \ 303 printf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt, \ 304 DRM_CURRENTPID, __func__ , ##__VA_ARGS__) 305 306#define DRM_INFO(fmt, ...) printf("info: [" DRM_NAME "] " fmt , ##__VA_ARGS__) 307 308#define DRM_DEBUG(fmt, ...) do { \ 309 if (drm_debug_flag) \ 310 printf("[" DRM_NAME ":pid%d:%s] " fmt, DRM_CURRENTPID, \ 311 __func__ , ##__VA_ARGS__); \ 312} while (0) 313 314typedef struct drm_pci_id_list 315{ 316 int vendor; 317 int device; 318 long driver_private; 319 char *name; 320} drm_pci_id_list_t; 321 322#define DRM_AUTH 0x1 323#define DRM_MASTER 0x2 324#define DRM_ROOT_ONLY 0x4 325typedef struct drm_ioctl_desc { 326 unsigned long cmd; 327 int (*func)(struct drm_device *dev, void *data, 328 struct drm_file *file_priv); 329 int flags; 330} drm_ioctl_desc_t; 331/** 332 * Creates a driver or general drm_ioctl_desc array entry for the given 333 * ioctl, for use by drm_ioctl(). 334 */ 335#define DRM_IOCTL_DEF(ioctl, func, flags) \ 336 [DRM_IOCTL_NR(ioctl)] = {ioctl, func, flags} 337 338typedef struct drm_magic_entry { 339 drm_magic_t magic; 340 struct drm_file *priv; 341 struct drm_magic_entry *next; 342} drm_magic_entry_t; 343 344typedef struct drm_magic_head { 345 struct drm_magic_entry *head; 346 struct drm_magic_entry *tail; 347} drm_magic_head_t; 348 349typedef struct drm_buf { 350 int idx; /* Index into master buflist */ 351 int total; /* Buffer size */ 352 int order; /* log-base-2(total) */ 353 int used; /* Amount of buffer in use (for DMA) */ 354 unsigned long offset; /* Byte offset (used internally) */ 355 void *address; /* Address of buffer */ 356 unsigned long bus_address; /* Bus address of buffer */ 357 struct drm_buf *next; /* Kernel-only: used for free list */ 358 __volatile__ int pending; /* On hardware DMA queue */ 359 struct drm_file *file_priv; /* Unique identifier of holding process */ 360 int context; /* Kernel queue for this buffer */ 361 enum { 362 DRM_LIST_NONE = 0, 363 DRM_LIST_FREE = 1, 364 DRM_LIST_WAIT = 2, 365 DRM_LIST_PEND = 3, 366 DRM_LIST_PRIO = 4, 367 DRM_LIST_RECLAIM = 5 368 } list; /* Which list we're on */ 369 370 int dev_priv_size; /* Size of buffer private stoarge */ 371 void *dev_private; /* Per-buffer private storage */ 372} drm_buf_t; 373 374typedef struct drm_freelist { 375 int initialized; /* Freelist in use */ 376 atomic_t count; /* Number of free buffers */ 377 drm_buf_t *next; /* End pointer */ 378 379 int low_mark; /* Low water mark */ 380 int high_mark; /* High water mark */ 381} drm_freelist_t; 382 383typedef struct drm_dma_handle { 384 void *vaddr; 385 bus_addr_t busaddr; 386 bus_dma_tag_t tag; 387 bus_dmamap_t map; 388} drm_dma_handle_t; 389 390typedef struct drm_buf_entry { 391 int buf_size; 392 int buf_count; 393 drm_buf_t *buflist; 394 int seg_count; 395 drm_dma_handle_t **seglist; 396 int page_order; 397 398 drm_freelist_t freelist; 399} drm_buf_entry_t; 400 401typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t; 402struct drm_file { 403 TAILQ_ENTRY(drm_file) link; 404 struct drm_device *dev; 405 int authenticated; 406 int master; 407 int minor; 408 pid_t pid; 409 uid_t uid; 410 drm_magic_t magic; 411 unsigned long ioctl_count; 412 void *driver_priv; 413}; 414 415typedef struct drm_lock_data { 416 struct drm_hw_lock *hw_lock; /* Hardware lock */ 417 struct drm_file *file_priv; /* Unique identifier of holding process (NULL is kernel)*/ 418 int lock_queue; /* Queue of blocked processes */ 419 unsigned long lock_time; /* Time of last lock in jiffies */ 420} drm_lock_data_t; 421 422/* This structure, in the struct drm_device, is always initialized while the 423 * device 424 * is open. dev->dma_lock protects the incrementing of dev->buf_use, which 425 * when set marks that no further bufs may be allocated until device teardown 426 * occurs (when the last open of the device has closed). The high/low 427 * watermarks of bufs are only touched by the X Server, and thus not 428 * concurrently accessed, so no locking is needed. 429 */ 430typedef struct drm_device_dma { 431 drm_buf_entry_t bufs[DRM_MAX_ORDER+1]; 432 int buf_count; 433 drm_buf_t **buflist; /* Vector of pointers info bufs */ 434 int seg_count; 435 int page_count; 436 unsigned long *pagelist; 437 unsigned long byte_count; 438 enum { 439 _DRM_DMA_USE_AGP = 0x01, 440 _DRM_DMA_USE_SG = 0x02 441 } flags; 442} drm_device_dma_t; 443 444typedef struct drm_agp_mem { 445 void *handle; 446 unsigned long bound; /* address */ 447 int pages; 448 struct drm_agp_mem *prev; 449 struct drm_agp_mem *next; 450} drm_agp_mem_t; 451 452typedef struct drm_agp_head { 453 device_t agpdev; 454 struct agp_info info; 455 const char *chipset; 456 drm_agp_mem_t *memory; 457 unsigned long mode; 458 int enabled; 459 int acquired; 460 unsigned long base; 461 int mtrr; 462 int cant_use_aperture; 463 unsigned long page_mask; 464} drm_agp_head_t; 465 466typedef struct drm_sg_mem { 467 unsigned long handle; 468 void *virtual; 469 int pages; 470 dma_addr_t *busaddr; 471 struct drm_dma_handle *sg_dmah; /* Handle for sg_pages */ 472 struct drm_dma_handle *dmah; /* Handle to PCI memory */ 473 /* for ATI PCIGART table */ 474} drm_sg_mem_t; 475 476typedef TAILQ_HEAD(drm_map_list, drm_local_map) drm_map_list_t; 477 478typedef struct drm_local_map { 479 unsigned long offset; /* Physical address (0 for SAREA)*/ 480 unsigned long size; /* Physical size (bytes) */ 481 enum drm_map_type type; /* Type of memory mapped */ 482 enum drm_map_flags flags; /* Flags */ 483 void *handle; /* User-space: "Handle" to pass to mmap */ 484 /* Kernel-space: kernel-virtual address */ 485 int mtrr; /* Boolean: MTRR used */ 486 /* Private data */ 487 int rid; /* PCI resource ID for bus_space */ 488 struct resource *bsr; 489 bus_space_tag_t bst; 490 bus_space_handle_t bsh; 491 drm_dma_handle_t *dmah; 492 TAILQ_ENTRY(drm_local_map) link; 493} drm_local_map_t; 494 495TAILQ_HEAD(drm_vbl_sig_list, drm_vbl_sig); 496typedef struct drm_vbl_sig { 497 TAILQ_ENTRY(drm_vbl_sig) link; 498 unsigned int sequence; 499 int signo; 500 int pid; 501} drm_vbl_sig_t; 502 503struct drm_vblank_info { 504 wait_queue_head_t queue; /* vblank wait queue */ 505 atomic_t count; /* number of VBLANK interrupts */ 506 /* (driver must alloc the right number of counters) */ 507 struct drm_vbl_sig_list sigs; /* signal list to send on VBLANK */ 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}; 535 536#ifndef DMA_BIT_MASK 537#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : (1ULL<<(n)) - 1) 538#endif 539 540#define upper_32_bits(n) ((u32)(((n) >> 16) >> 16)) 541 542struct drm_driver_info { 543 int (*load)(struct drm_device *, unsigned long flags); 544 int (*firstopen)(struct drm_device *); 545 int (*open)(struct drm_device *, struct drm_file *); 546 void (*preclose)(struct drm_device *, struct drm_file *file_priv); 547 void (*postclose)(struct drm_device *, struct drm_file *); 548 void (*lastclose)(struct drm_device *); 549 int (*unload)(struct drm_device *); 550 void (*reclaim_buffers_locked)(struct drm_device *, 551 struct drm_file *file_priv); 552 int (*dma_ioctl)(struct drm_device *dev, void *data, 553 struct drm_file *file_priv); 554 void (*dma_ready)(struct drm_device *); 555 int (*dma_quiescent)(struct drm_device *); 556 int (*dma_flush_block_and_flush)(struct drm_device *, int context, 557 enum drm_lock_flags flags); 558 int (*dma_flush_unblock)(struct drm_device *, int context, 559 enum drm_lock_flags flags); 560 int (*context_ctor)(struct drm_device *dev, int context); 561 int (*context_dtor)(struct drm_device *dev, int context); 562 int (*kernel_context_switch)(struct drm_device *dev, int old, 563 int new); 564 int (*kernel_context_switch_unlock)(struct drm_device *dev); 565 void (*irq_preinstall)(struct drm_device *dev); 566 int (*irq_postinstall)(struct drm_device *dev); 567 void (*irq_uninstall)(struct drm_device *dev); 568 void (*irq_handler)(DRM_IRQ_ARGS); 569 u32 (*get_vblank_counter)(struct drm_device *dev, int crtc); 570 int (*enable_vblank)(struct drm_device *dev, int crtc); 571 void (*disable_vblank)(struct drm_device *dev, int crtc); 572 573 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ 574 575 /** 576 * Called by \c drm_device_is_agp. Typically used to determine if a 577 * card is really attached to AGP or not. 578 * 579 * \param dev DRM device handle 580 * 581 * \returns 582 * One of three values is returned depending on whether or not the 583 * card is absolutely \b not AGP (return of 0), absolutely \b is AGP 584 * (return of 1), or may or may not be AGP (return of 2). 585 */ 586 int (*device_is_agp) (struct drm_device * dev); 587 588 drm_ioctl_desc_t *ioctls; 589 int max_ioctl; 590 591 int buf_priv_size; 592 593 int major; 594 int minor; 595 int patchlevel; 596 const char *name; /* Simple driver name */ 597 const char *desc; /* Longer driver name */ 598 const char *date; /* Date of last major changes. */ 599 600 u32 driver_features; 601}; 602 603/* Length for the array of resource pointers for drm_get_resource_*. */ 604#define DRM_MAX_PCI_RESOURCE 3 605 606/** 607 * DRM device functions structure 608 */ 609struct drm_device { 610 struct drm_driver_info *driver; 611 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ 612 613 u_int16_t pci_device; /* PCI device id */ 614 u_int16_t pci_vendor; /* PCI vendor id */ 615 616 char *unique; /* Unique identifier: e.g., busid */ 617 int unique_len; /* Length of unique field */ 618 device_t device; /* Device instance from newbus */ 619 struct cdev *devnode; /* Device number for mknod */ 620 int if_version; /* Highest interface version set */ 621 622 int flags; /* Flags to open(2) */ 623 624 /* Locks */ 625 struct mtx vbl_lock; /* protects vblank operations */ 626 struct mtx dma_lock; /* protects dev->dma */ 627 struct mtx irq_lock; /* protects irq condition checks */ 628 struct mtx dev_lock; /* protects everything else */ 629 DRM_SPINTYPE drw_lock; 630 631 /* Usage Counters */ 632 int open_count; /* Outstanding files open */ 633 int buf_use; /* Buffers in use -- cannot alloc */ 634 635 /* Performance counters */ 636 unsigned long counters; 637 enum drm_stat_type types[15]; 638 atomic_t counts[15]; 639 640 /* Authentication */ 641 drm_file_list_t files; 642 drm_magic_head_t magiclist[DRM_HASH_SIZE]; 643 644 /* Linked list of mappable regions. Protected by dev_lock */ 645 drm_map_list_t maplist; 646 647 drm_local_map_t **context_sareas; 648 int max_context; 649 650 drm_lock_data_t lock; /* Information on hardware lock */ 651 652 /* DMA queues (contexts) */ 653 drm_device_dma_t *dma; /* Optional pointer for DMA support */ 654 655 /* Context support */ 656 int irq; /* Interrupt used by board */ 657 int irq_enabled; /* True if the irq handler is enabled */ 658 int msi_enabled; /* MSI enabled */ 659 int irqrid; /* Interrupt used by board */ 660 struct resource *irqr; /* Resource for interrupt used by board */ 661 void *irqh; /* Handle from bus_setup_intr */ 662 663 /* Storage of resource pointers for drm_get_resource_* */ 664 struct resource *pcir[DRM_MAX_PCI_RESOURCE]; 665 int pcirid[DRM_MAX_PCI_RESOURCE]; 666 667 int pci_domain; 668 int pci_bus; 669 int pci_slot; 670 int pci_func; 671 672 atomic_t context_flag; /* Context swapping flag */ 673 int last_context; /* Last current context */ 674 675 int vblank_disable_allowed; 676 atomic_t vbl_signal_pending; /* number of signals pending on all crtcs */ 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 nbdev, drm_pci_id_list_t *idlist); 718int drm_attach(device_t nbdev, drm_pci_id_list_t *idlist); 719void drm_close(void *data); 720int drm_detach(device_t nbdev); 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); 791int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq); 792int drm_vblank_init(struct drm_device *dev, int num_crtcs); 793void drm_vbl_send_signals(struct drm_device *dev, int crtc); 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_ioctl(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