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("$FreeBSD$"); 36 37 #ifndef _DRM_P_H_ 38 #define _DRM_P_H_ 39 40 #if defined(_KERNEL) || defined(__KERNEL__) 41 42 struct drm_device; 43 struct 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/ktr.h> 50 #include <sys/module.h> 51 #include <sys/systm.h> 52 #include <sys/conf.h> 53 #include <sys/sglist.h> 54 #include <sys/stat.h> 55 #include <sys/priv.h> 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/rwlock.h> 62 #include <sys/selinfo.h> 63 #include <sys/sysctl.h> 64 #include <sys/bus.h> 65 #include <sys/queue.h> 66 #include <sys/signalvar.h> 67 #include <sys/poll.h> 68 #include <sys/sbuf.h> 69 #include <sys/taskqueue.h> 70 #include <sys/tree.h> 71 #include <vm/vm.h> 72 #include <vm/pmap.h> 73 #include <vm/vm_extern.h> 74 #include <vm/vm_kern.h> 75 #include <vm/vm_map.h> 76 #include <vm/vm_object.h> 77 #include <vm/vm_page.h> 78 #include <vm/vm_pager.h> 79 #include <vm/vm_param.h> 80 #include <vm/vm_phys.h> 81 #include <machine/param.h> 82 #include <machine/pmap.h> 83 #include <machine/bus.h> 84 #include <machine/resource.h> 85 #if defined(__i386__) || defined(__amd64__) 86 #include <machine/specialreg.h> 87 #endif 88 #include <machine/sysarch.h> 89 #include <sys/endian.h> 90 #include <sys/mman.h> 91 #include <sys/rman.h> 92 #include <sys/memrange.h> 93 #include <dev/agp/agpvar.h> 94 #include <sys/agpio.h> 95 #include <sys/mutex.h> 96 #include <dev/pci/pcivar.h> 97 #include <dev/pci/pcireg.h> 98 #include <sys/selinfo.h> 99 #include <sys/bus.h> 100 101 #include <dev/drm2/drm.h> 102 #include <dev/drm2/drm_atomic.h> 103 #include <dev/drm2/drm_internal.h> 104 #include <dev/drm2/drm_linux_list.h> 105 #include <dev/drm2/drm_gem_names.h> 106 #include <dev/drm2/drm_mm.h> 107 #include <dev/drm2/drm_hashtab.h> 108 109 #include "opt_compat.h" 110 #include "opt_drm.h" 111 #ifdef DRM_DEBUG 112 #undef DRM_DEBUG 113 #define DRM_DEBUG_DEFAULT_ON 1 114 #endif /* DRM_DEBUG */ 115 116 #define DRM_DEBUGBITS_DEBUG 0x1 117 #define DRM_DEBUGBITS_KMS 0x2 118 #define DRM_DEBUGBITS_FAILED_IOCTL 0x4 119 120 #undef DRM_LINUX 121 #define DRM_LINUX 0 122 123 /* driver capabilities and requirements mask */ 124 #define DRIVER_USE_AGP 0x1 125 #define DRIVER_REQUIRE_AGP 0x2 126 #define DRIVER_USE_MTRR 0x4 127 #define DRIVER_PCI_DMA 0x8 128 #define DRIVER_SG 0x10 129 #define DRIVER_HAVE_DMA 0x20 130 #define DRIVER_HAVE_IRQ 0x40 131 #define DRIVER_IRQ_SHARED 0x80 132 #define DRIVER_IRQ_VBL 0x100 133 #define DRIVER_DMA_QUEUE 0x200 134 #define DRIVER_FB_DMA 0x400 135 #define DRIVER_IRQ_VBL2 0x800 136 #define DRIVER_GEM 0x1000 137 #define DRIVER_MODESET 0x2000 138 #define DRIVER_USE_PLATFORM_DEVICE 0x4000 139 #define DRIVER_LOCKLESS_IRQ 0x8000 140 141 142 #define DRM_HASH_SIZE 16 /* Size of key hash table */ 143 #define DRM_KERNEL_CONTEXT 0 /* Change drm_resctx if changed */ 144 #define DRM_RESERVED_CONTEXTS 1 /* Change drm_resctx if changed */ 145 146 #define DRM_GEM_MAPPING_MASK (3ULL << 62) 147 #define DRM_GEM_MAPPING_KEY (2ULL << 62) /* Non-canonical address form */ 148 #define DRM_GEM_MAX_IDX 0x3fffff 149 #define DRM_GEM_MAPPING_IDX(o) (((o) >> 40) & DRM_GEM_MAX_IDX) 150 #define DRM_GEM_MAPPING_OFF(i) (((uint64_t)(i)) << 40) 151 #define DRM_GEM_MAPPING_MAPOFF(o) \ 152 ((o) & ~(DRM_GEM_MAPPING_OFF(DRM_GEM_MAX_IDX) | DRM_GEM_MAPPING_KEY)) 153 154 MALLOC_DECLARE(DRM_MEM_DMA); 155 MALLOC_DECLARE(DRM_MEM_SAREA); 156 MALLOC_DECLARE(DRM_MEM_DRIVER); 157 MALLOC_DECLARE(DRM_MEM_MAGIC); 158 MALLOC_DECLARE(DRM_MEM_IOCTLS); 159 MALLOC_DECLARE(DRM_MEM_MAPS); 160 MALLOC_DECLARE(DRM_MEM_BUFS); 161 MALLOC_DECLARE(DRM_MEM_SEGS); 162 MALLOC_DECLARE(DRM_MEM_PAGES); 163 MALLOC_DECLARE(DRM_MEM_FILES); 164 MALLOC_DECLARE(DRM_MEM_QUEUES); 165 MALLOC_DECLARE(DRM_MEM_CMDS); 166 MALLOC_DECLARE(DRM_MEM_MAPPINGS); 167 MALLOC_DECLARE(DRM_MEM_BUFLISTS); 168 MALLOC_DECLARE(DRM_MEM_AGPLISTS); 169 MALLOC_DECLARE(DRM_MEM_CTXBITMAP); 170 MALLOC_DECLARE(DRM_MEM_SGLISTS); 171 MALLOC_DECLARE(DRM_MEM_DRAWABLE); 172 MALLOC_DECLARE(DRM_MEM_MM); 173 MALLOC_DECLARE(DRM_MEM_HASHTAB); 174 MALLOC_DECLARE(DRM_MEM_KMS); 175 176 SYSCTL_DECL(_hw_drm); 177 178 #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) 179 180 /* Internal types and structures */ 181 #define DRM_ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) 182 #define DRM_MIN(a,b) ((a)<(b)?(a):(b)) 183 #define DRM_MAX(a,b) ((a)>(b)?(a):(b)) 184 185 #define DRM_IF_VERSION(maj, min) (maj << 16 | min) 186 187 #define __OS_HAS_AGP 1 188 189 #define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP) 190 #define DRM_DEV_UID 0 191 #define DRM_DEV_GID 0 192 193 #define wait_queue_head_t atomic_t 194 #define DRM_WAKEUP(w) wakeup((void *)w) 195 #define DRM_WAKEUP_INT(w) wakeup(w) 196 #define DRM_INIT_WAITQUEUE(queue) do {(void)(queue);} while (0) 197 198 #define DRM_CURPROC curthread 199 #define DRM_STRUCTPROC struct thread 200 #define DRM_SPINTYPE struct mtx 201 #define DRM_SPININIT(l,name) mtx_init(l, name, NULL, MTX_DEF) 202 #define DRM_SPINUNINIT(l) mtx_destroy(l) 203 #define DRM_SPINLOCK(l) mtx_lock(l) 204 #define DRM_SPINUNLOCK(u) mtx_unlock(u) 205 #define DRM_SPINLOCK_IRQSAVE(l, irqflags) do { \ 206 mtx_lock(l); \ 207 (void)irqflags; \ 208 } while (0) 209 #define DRM_SPINUNLOCK_IRQRESTORE(u, irqflags) mtx_unlock(u) 210 #define DRM_SPINLOCK_ASSERT(l) mtx_assert(l, MA_OWNED) 211 #define DRM_CURRENTPID curthread->td_proc->p_pid 212 #define DRM_LOCK(dev) sx_xlock(&(dev)->dev_struct_lock) 213 #define DRM_UNLOCK(dev) sx_xunlock(&(dev)->dev_struct_lock) 214 #define DRM_LOCK_SLEEP(dev, chan, flags, msg, timeout) \ 215 (sx_sleep((chan), &(dev)->dev_struct_lock, (flags), (msg), (timeout))) 216 #if defined(INVARIANTS) 217 #define DRM_LOCK_ASSERT(dev) sx_assert(&(dev)->dev_struct_lock, SA_XLOCKED) 218 #define DRM_UNLOCK_ASSERT(dev) sx_assert(&(dev)->dev_struct_lock, SA_UNLOCKED) 219 #else 220 #define DRM_LOCK_ASSERT(d) 221 #define DRM_UNLOCK_ASSERT(d) 222 #endif 223 224 #define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS) 225 226 #define DRM_IRQ_ARGS void *arg 227 typedef void irqreturn_t; 228 #define IRQ_HANDLED /* nothing */ 229 #define IRQ_NONE /* nothing */ 230 231 #define unlikely(x) __builtin_expect(!!(x), 0) 232 #define likely(x) __builtin_expect(!!(x), 1) 233 #define container_of(ptr, type, member) ({ \ 234 __typeof( ((type *)0)->member ) *__mptr = (ptr); \ 235 (type *)( (char *)__mptr - offsetof(type,member) );}) 236 237 enum { 238 DRM_IS_NOT_AGP, 239 DRM_IS_AGP, 240 DRM_MIGHT_BE_AGP 241 }; 242 #define DRM_AGP_MEM struct agp_memory_info 243 244 #define drm_get_device_from_kdev(_kdev) (_kdev->si_drv1) 245 246 #define PAGE_ALIGN(addr) round_page(addr) 247 /* DRM_SUSER returns true if the user is superuser */ 248 #define DRM_SUSER(p) (priv_check(p, PRIV_DRIVER) == 0) 249 #define DRM_AGP_FIND_DEVICE() agp_find_device() 250 #define DRM_MTRR_WC MDF_WRITECOMBINE 251 #define jiffies ticks 252 #define jiffies_to_msecs(x) (((int64_t)(x)) * 1000 / hz) 253 #define msecs_to_jiffies(x) (((int64_t)(x)) * hz / 1000) 254 #define time_after(a,b) ((long)(b) - (long)(a) < 0) 255 #define time_after_eq(a,b) ((long)(b) - (long)(a) <= 0) 256 #define drm_msleep(x, msg) pause((msg), ((int64_t)(x)) * hz / 1000) 257 258 typedef vm_paddr_t dma_addr_t; 259 typedef uint64_t u64; 260 typedef uint32_t u32; 261 typedef uint16_t u16; 262 typedef uint8_t u8; 263 typedef int64_t s64; 264 typedef int32_t s32; 265 typedef int16_t s16; 266 typedef int8_t s8; 267 268 /* DRM_READMEMORYBARRIER() prevents reordering of reads. 269 * DRM_WRITEMEMORYBARRIER() prevents reordering of writes. 270 * DRM_MEMORYBARRIER() prevents reordering of reads and writes. 271 */ 272 #define DRM_READMEMORYBARRIER() rmb() 273 #define DRM_WRITEMEMORYBARRIER() wmb() 274 #define DRM_MEMORYBARRIER() mb() 275 276 #define DRM_READ8(map, offset) \ 277 *(volatile u_int8_t *)(((vm_offset_t)(map)->virtual) + \ 278 (vm_offset_t)(offset)) 279 #define DRM_READ16(map, offset) \ 280 le16toh(*(volatile u_int16_t *)(((vm_offset_t)(map)->virtual) + \ 281 (vm_offset_t)(offset))) 282 #define DRM_READ32(map, offset) \ 283 le32toh(*(volatile u_int32_t *)(((vm_offset_t)(map)->virtual) + \ 284 (vm_offset_t)(offset))) 285 #define DRM_READ64(map, offset) \ 286 le64toh(*(volatile u_int64_t *)(((vm_offset_t)(map)->virtual) + \ 287 (vm_offset_t)(offset))) 288 #define DRM_WRITE8(map, offset, val) \ 289 *(volatile u_int8_t *)(((vm_offset_t)(map)->virtual) + \ 290 (vm_offset_t)(offset)) = val 291 #define DRM_WRITE16(map, offset, val) \ 292 *(volatile u_int16_t *)(((vm_offset_t)(map)->virtual) + \ 293 (vm_offset_t)(offset)) = htole16(val) 294 #define DRM_WRITE32(map, offset, val) \ 295 *(volatile u_int32_t *)(((vm_offset_t)(map)->virtual) + \ 296 (vm_offset_t)(offset)) = htole32(val) 297 #define DRM_WRITE64(map, offset, val) \ 298 *(volatile u_int64_t *)(((vm_offset_t)(map)->virtual) + \ 299 (vm_offset_t)(offset)) = htole64(val) 300 301 #define DRM_VERIFYAREA_READ( uaddr, size ) \ 302 (!useracc(__DECONST(caddr_t, uaddr), size, VM_PROT_READ)) 303 304 #define DRM_COPY_TO_USER(user, kern, size) \ 305 copyout(kern, user, size) 306 #define DRM_COPY_FROM_USER(kern, user, size) \ 307 copyin(user, kern, size) 308 #define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \ 309 copyin(arg2, arg1, arg3) 310 #define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \ 311 copyout(arg2, arg1, arg3) 312 #define DRM_GET_USER_UNCHECKED(val, uaddr) \ 313 ((val) = fuword32(uaddr), 0) 314 315 #define cpu_to_le32(x) htole32(x) 316 #define le32_to_cpu(x) le32toh(x) 317 318 #define DRM_HZ hz 319 #define DRM_UDELAY(udelay) DELAY(udelay) 320 #define DRM_TIME_SLICE (hz/20) /* Time slice for GLXContexts */ 321 322 #define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \ 323 (_map) = (_dev)->context_sareas[_ctx]; \ 324 } while(0) 325 326 #define LOCK_TEST_WITH_RETURN(dev, file_priv) \ 327 do { \ 328 if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \ 329 dev->lock.file_priv != file_priv) { \ 330 DRM_ERROR("%s called without lock held\n", \ 331 __FUNCTION__); \ 332 return EINVAL; \ 333 } \ 334 } while (0) 335 336 /* Returns -errno to shared code */ 337 #define DRM_WAIT_ON( ret, queue, timeout, condition ) \ 338 for ( ret = 0 ; !ret && !(condition) ; ) { \ 339 DRM_UNLOCK(dev); \ 340 mtx_lock(&dev->irq_lock); \ 341 if (!(condition)) \ 342 ret = -mtx_sleep(&(queue), &dev->irq_lock, \ 343 PCATCH, "drmwtq", (timeout)); \ 344 mtx_unlock(&dev->irq_lock); \ 345 DRM_LOCK(dev); \ 346 } 347 348 #define DRM_ERROR(fmt, ...) \ 349 printf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt, \ 350 DRM_CURRENTPID, __func__ , ##__VA_ARGS__) 351 352 #define DRM_INFO(fmt, ...) printf("info: [" DRM_NAME "] " fmt , ##__VA_ARGS__) 353 354 #define DRM_DEBUG(fmt, ...) do { \ 355 if ((drm_debug_flag & DRM_DEBUGBITS_DEBUG) != 0) \ 356 printf("[" DRM_NAME ":pid%d:%s] " fmt, DRM_CURRENTPID, \ 357 __func__ , ##__VA_ARGS__); \ 358 } while (0) 359 360 #define DRM_DEBUG_KMS(fmt, ...) do { \ 361 if ((drm_debug_flag & DRM_DEBUGBITS_KMS) != 0) \ 362 printf("[" DRM_NAME ":KMS:pid%d:%s] " fmt, DRM_CURRENTPID,\ 363 __func__ , ##__VA_ARGS__); \ 364 } while (0) 365 366 #define DRM_DEBUG_DRIVER(fmt, ...) do { \ 367 if ((drm_debug_flag & DRM_DEBUGBITS_KMS) != 0) \ 368 printf("[" DRM_NAME ":KMS:pid%d:%s] " fmt, DRM_CURRENTPID,\ 369 __func__ , ##__VA_ARGS__); \ 370 } while (0) 371 372 typedef struct drm_pci_id_list 373 { 374 int vendor; 375 int device; 376 long driver_private; 377 char *name; 378 } drm_pci_id_list_t; 379 380 struct drm_msi_blacklist_entry 381 { 382 int vendor; 383 int device; 384 }; 385 386 #define DRM_AUTH 0x1 387 #define DRM_MASTER 0x2 388 #define DRM_ROOT_ONLY 0x4 389 #define DRM_CONTROL_ALLOW 0x8 390 #define DRM_UNLOCKED 0x10 391 392 typedef struct drm_ioctl_desc { 393 unsigned long cmd; 394 int (*func)(struct drm_device *dev, void *data, 395 struct drm_file *file_priv); 396 int flags; 397 } drm_ioctl_desc_t; 398 /** 399 * Creates a driver or general drm_ioctl_desc array entry for the given 400 * ioctl, for use by drm_ioctl(). 401 */ 402 #define DRM_IOCTL_DEF(ioctl, func, flags) \ 403 [DRM_IOCTL_NR(ioctl)] = {ioctl, func, flags} 404 405 typedef struct drm_magic_entry { 406 drm_magic_t magic; 407 struct drm_file *priv; 408 struct drm_magic_entry *next; 409 } drm_magic_entry_t; 410 411 typedef struct drm_magic_head { 412 struct drm_magic_entry *head; 413 struct drm_magic_entry *tail; 414 } drm_magic_head_t; 415 416 typedef struct drm_buf { 417 int idx; /* Index into master buflist */ 418 int total; /* Buffer size */ 419 int order; /* log-base-2(total) */ 420 int used; /* Amount of buffer in use (for DMA) */ 421 unsigned long offset; /* Byte offset (used internally) */ 422 void *address; /* Address of buffer */ 423 unsigned long bus_address; /* Bus address of buffer */ 424 struct drm_buf *next; /* Kernel-only: used for free list */ 425 __volatile__ int pending; /* On hardware DMA queue */ 426 struct drm_file *file_priv; /* Unique identifier of holding process */ 427 int context; /* Kernel queue for this buffer */ 428 enum { 429 DRM_LIST_NONE = 0, 430 DRM_LIST_FREE = 1, 431 DRM_LIST_WAIT = 2, 432 DRM_LIST_PEND = 3, 433 DRM_LIST_PRIO = 4, 434 DRM_LIST_RECLAIM = 5 435 } list; /* Which list we're on */ 436 437 int dev_priv_size; /* Size of buffer private stoarge */ 438 void *dev_private; /* Per-buffer private storage */ 439 } drm_buf_t; 440 441 typedef struct drm_freelist { 442 int initialized; /* Freelist in use */ 443 atomic_t count; /* Number of free buffers */ 444 drm_buf_t *next; /* End pointer */ 445 446 int low_mark; /* Low water mark */ 447 int high_mark; /* High water mark */ 448 } drm_freelist_t; 449 450 typedef struct drm_dma_handle { 451 void *vaddr; 452 bus_addr_t busaddr; 453 bus_dma_tag_t tag; 454 bus_dmamap_t map; 455 } drm_dma_handle_t; 456 457 typedef struct drm_buf_entry { 458 int buf_size; 459 int buf_count; 460 drm_buf_t *buflist; 461 int seg_count; 462 drm_dma_handle_t **seglist; 463 int page_order; 464 465 drm_freelist_t freelist; 466 } drm_buf_entry_t; 467 468 /* Event queued up for userspace to read */ 469 struct drm_pending_event { 470 struct drm_event *event; 471 struct list_head link; 472 struct drm_file *file_priv; 473 pid_t pid; /* pid of requester, no guarantee it's valid by the time 474 we deliver the event, for tracing only */ 475 void (*destroy)(struct drm_pending_event *event); 476 }; 477 478 typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t; 479 struct drm_file { 480 TAILQ_ENTRY(drm_file) link; 481 struct drm_device *dev; 482 int authenticated; 483 int master; 484 pid_t pid; 485 uid_t uid; 486 drm_magic_t magic; 487 unsigned long ioctl_count; 488 489 void *driver_priv; 490 struct drm_gem_names object_names; 491 492 int is_master; 493 struct drm_master *masterp; 494 495 struct list_head fbs; 496 497 struct list_head event_list; 498 int event_space; 499 struct selinfo event_poll; 500 }; 501 502 typedef struct drm_lock_data { 503 struct drm_hw_lock *hw_lock; /* Hardware lock */ 504 struct drm_file *file_priv; /* Unique identifier of holding process (NULL is kernel)*/ 505 int lock_queue; /* Queue of blocked processes */ 506 unsigned long lock_time; /* Time of last lock in jiffies */ 507 } drm_lock_data_t; 508 509 /* This structure, in the struct drm_device, is always initialized while the 510 * device 511 * is open. dev->dma_lock protects the incrementing of dev->buf_use, which 512 * when set marks that no further bufs may be allocated until device teardown 513 * occurs (when the last open of the device has closed). The high/low 514 * watermarks of bufs are only touched by the X Server, and thus not 515 * concurrently accessed, so no locking is needed. 516 */ 517 typedef struct drm_device_dma { 518 drm_buf_entry_t bufs[DRM_MAX_ORDER+1]; 519 int buf_count; 520 drm_buf_t **buflist; /* Vector of pointers info bufs */ 521 int seg_count; 522 int page_count; 523 unsigned long *pagelist; 524 unsigned long byte_count; 525 enum { 526 _DRM_DMA_USE_AGP = 0x01, 527 _DRM_DMA_USE_SG = 0x02 528 } flags; 529 } drm_device_dma_t; 530 531 typedef struct drm_agp_mem { 532 void *handle; 533 unsigned long bound; /* address */ 534 int pages; 535 struct drm_agp_mem *prev; 536 struct drm_agp_mem *next; 537 } drm_agp_mem_t; 538 539 typedef struct drm_agp_head { 540 device_t agpdev; 541 struct agp_info info; 542 const char *chipset; 543 drm_agp_mem_t *memory; 544 unsigned long mode; 545 int enabled; 546 int acquired; 547 unsigned long base; 548 int mtrr; 549 int cant_use_aperture; 550 unsigned long page_mask; 551 } drm_agp_head_t; 552 553 typedef struct drm_sg_mem { 554 vm_offset_t vaddr; 555 vm_paddr_t *busaddr; 556 vm_pindex_t pages; 557 } drm_sg_mem_t; 558 559 #define DRM_MAP_HANDLE_BITS (sizeof(void *) == 4 ? 4 : 24) 560 #define DRM_MAP_HANDLE_SHIFT (sizeof(void *) * 8 - DRM_MAP_HANDLE_BITS) 561 typedef TAILQ_HEAD(drm_map_list, drm_local_map) drm_map_list_t; 562 563 typedef struct drm_local_map { 564 unsigned long offset; /* Physical address (0 for SAREA) */ 565 unsigned long size; /* Physical size (bytes) */ 566 enum drm_map_type type; /* Type of memory mapped */ 567 enum drm_map_flags flags; /* Flags */ 568 void *handle; /* User-space: "Handle" to pass to mmap */ 569 /* Kernel-space: kernel-virtual address */ 570 int mtrr; /* Boolean: MTRR used */ 571 /* Private data */ 572 int rid; /* PCI resource ID for bus_space */ 573 void *virtual; /* Kernel-space: kernel-virtual address */ 574 struct resource *bsr; 575 bus_space_tag_t bst; 576 bus_space_handle_t bsh; 577 drm_dma_handle_t *dmah; 578 TAILQ_ENTRY(drm_local_map) link; 579 } drm_local_map_t; 580 581 struct drm_vblank_info { 582 wait_queue_head_t queue; /* vblank wait queue */ 583 atomic_t count; /* number of VBLANK interrupts */ 584 /* (driver must alloc the right number of counters) */ 585 atomic_t refcount; /* number of users of vblank interrupts */ 586 u32 last; /* protected by dev->vbl_lock, used */ 587 /* for wraparound handling */ 588 int enabled; /* so we don't call enable more than */ 589 /* once per disable */ 590 int inmodeset; /* Display driver is setting mode */ 591 }; 592 593 /* Size of ringbuffer for vblank timestamps. Just double-buffer 594 * in initial implementation. 595 */ 596 #define DRM_VBLANKTIME_RBSIZE 2 597 598 /* Flags and return codes for get_vblank_timestamp() driver function. */ 599 #define DRM_CALLED_FROM_VBLIRQ 1 600 #define DRM_VBLANKTIME_SCANOUTPOS_METHOD (1 << 0) 601 #define DRM_VBLANKTIME_INVBL (1 << 1) 602 603 /* get_scanout_position() return flags */ 604 #define DRM_SCANOUTPOS_VALID (1 << 0) 605 #define DRM_SCANOUTPOS_INVBL (1 << 1) 606 #define DRM_SCANOUTPOS_ACCURATE (1 << 2) 607 608 /* location of GART table */ 609 #define DRM_ATI_GART_MAIN 1 610 #define DRM_ATI_GART_FB 2 611 612 #define DRM_ATI_GART_PCI 1 613 #define DRM_ATI_GART_PCIE 2 614 #define DRM_ATI_GART_IGP 3 615 616 struct drm_ati_pcigart_info { 617 int gart_table_location; 618 int gart_reg_if; 619 void *addr; 620 dma_addr_t bus_addr; 621 dma_addr_t table_mask; 622 dma_addr_t member_mask; 623 struct drm_dma_handle *table_handle; 624 drm_local_map_t mapping; 625 int table_size; 626 struct drm_dma_handle *dmah; /* handle for ATI PCIGART table */ 627 }; 628 629 typedef vm_paddr_t resource_size_t; 630 631 /** 632 * GEM specific mm private for tracking GEM objects 633 */ 634 struct drm_gem_mm { 635 struct drm_open_hash offset_hash; /**< User token hash table for maps */ 636 struct unrhdr *idxunr; 637 }; 638 639 struct drm_gem_object { 640 /** Reference count of this object */ 641 u_int refcount; 642 643 /** Handle count of this object. Each handle also holds a reference */ 644 u_int handle_count; /* number of handles on this object */ 645 646 /** Related drm device */ 647 struct drm_device *dev; 648 649 /** File representing the shmem storage: filp in Linux parlance */ 650 vm_object_t vm_obj; 651 652 bool on_map; 653 struct drm_hash_item map_list; 654 655 /** 656 * Size of the object, in bytes. Immutable over the object's 657 * lifetime. 658 */ 659 size_t size; 660 661 /** 662 * Global name for this object, starts at 1. 0 means unnamed. 663 * Access is covered by the object_name_lock in the related drm_device 664 */ 665 int name; 666 667 /** 668 * Memory domains. These monitor which caches contain read/write data 669 * related to the object. When transitioning from one set of domains 670 * to another, the driver is called to ensure that caches are suitably 671 * flushed and invalidated 672 */ 673 uint32_t read_domains; 674 uint32_t write_domain; 675 676 /** 677 * While validating an exec operation, the 678 * new read/write domain values are computed here. 679 * They will be transferred to the above values 680 * at the point that any cache flushing occurs 681 */ 682 uint32_t pending_read_domains; 683 uint32_t pending_write_domain; 684 685 void *driver_private; 686 }; 687 688 #include "drm_crtc.h" 689 690 #ifndef DMA_BIT_MASK 691 #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : (1ULL<<(n)) - 1) 692 #endif 693 694 #define upper_32_bits(n) ((u32)(((n) >> 16) >> 16)) 695 696 struct drm_driver_info { 697 int (*load)(struct drm_device *, unsigned long flags); 698 int (*firstopen)(struct drm_device *); 699 int (*open)(struct drm_device *, struct drm_file *); 700 void (*preclose)(struct drm_device *, struct drm_file *file_priv); 701 void (*postclose)(struct drm_device *, struct drm_file *); 702 void (*lastclose)(struct drm_device *); 703 int (*unload)(struct drm_device *); 704 void (*reclaim_buffers_locked)(struct drm_device *, 705 struct drm_file *file_priv); 706 int (*dma_ioctl)(struct drm_device *dev, void *data, 707 struct drm_file *file_priv); 708 void (*dma_ready)(struct drm_device *); 709 int (*dma_quiescent)(struct drm_device *); 710 int (*dma_flush_block_and_flush)(struct drm_device *, int context, 711 enum drm_lock_flags flags); 712 int (*dma_flush_unblock)(struct drm_device *, int context, 713 enum drm_lock_flags flags); 714 int (*context_ctor)(struct drm_device *dev, int context); 715 int (*context_dtor)(struct drm_device *dev, int context); 716 int (*kernel_context_switch)(struct drm_device *dev, int old, 717 int new); 718 int (*kernel_context_switch_unlock)(struct drm_device *dev); 719 void (*irq_preinstall)(struct drm_device *dev); 720 int (*irq_postinstall)(struct drm_device *dev); 721 void (*irq_uninstall)(struct drm_device *dev); 722 void (*irq_handler)(DRM_IRQ_ARGS); 723 724 u32 (*get_vblank_counter)(struct drm_device *dev, int crtc); 725 int (*enable_vblank)(struct drm_device *dev, int crtc); 726 void (*disable_vblank)(struct drm_device *dev, int crtc); 727 int (*get_scanout_position)(struct drm_device *dev, int crtc, 728 int *vpos, int *hpos); 729 730 int (*get_vblank_timestamp)(struct drm_device *dev, int crtc, 731 int *max_error, struct timeval *vblank_time, 732 unsigned flags); 733 734 int (*gem_init_object)(struct drm_gem_object *obj); 735 void (*gem_free_object)(struct drm_gem_object *obj); 736 737 struct cdev_pager_ops *gem_pager_ops; 738 739 int (*dumb_create)(struct drm_file *file_priv, 740 struct drm_device *dev, struct drm_mode_create_dumb *args); 741 int (*dumb_map_offset)(struct drm_file *file_priv, 742 struct drm_device *dev, uint32_t handle, uint64_t *offset); 743 int (*dumb_destroy)(struct drm_file *file_priv, 744 struct drm_device *dev, uint32_t handle); 745 746 int (*sysctl_init)(struct drm_device *dev, 747 struct sysctl_ctx_list *ctx, struct sysctl_oid *top); 748 void (*sysctl_cleanup)(struct drm_device *dev); 749 750 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ 751 752 /** 753 * Called by \c drm_device_is_agp. Typically used to determine if a 754 * card is really attached to AGP or not. 755 * 756 * \param dev DRM device handle 757 * 758 * \returns 759 * One of three values is returned depending on whether or not the 760 * card is absolutely \b not AGP (return of 0), absolutely \b is AGP 761 * (return of 1), or may or may not be AGP (return of 2). 762 */ 763 int (*device_is_agp) (struct drm_device * dev); 764 765 drm_ioctl_desc_t *ioctls; 766 #ifdef COMPAT_FREEBSD32 767 drm_ioctl_desc_t *compat_ioctls; 768 int *compat_ioctls_nr; 769 #endif 770 int max_ioctl; 771 772 int buf_priv_size; 773 774 int major; 775 int minor; 776 int patchlevel; 777 const char *name; /* Simple driver name */ 778 const char *desc; /* Longer driver name */ 779 const char *date; /* Date of last major changes. */ 780 781 u32 driver_features; 782 }; 783 784 /** 785 * DRM minor structure. This structure represents a drm minor number. 786 */ 787 struct drm_minor { 788 int index; /**< Minor device number */ 789 int type; /**< Control or render */ 790 device_t kdev; /**< OS device */ 791 struct drm_device *dev; 792 793 struct drm_master *master; /* currently active master for this node */ 794 struct list_head master_list; 795 struct drm_mode_group mode_group; 796 }; 797 798 /* mode specified on the command line */ 799 struct drm_cmdline_mode { 800 bool specified; 801 bool refresh_specified; 802 bool bpp_specified; 803 int xres, yres; 804 int bpp; 805 int refresh; 806 bool rb; 807 bool interlace; 808 bool cvt; 809 bool margins; 810 enum drm_connector_force force; 811 }; 812 813 struct drm_pending_vblank_event { 814 struct drm_pending_event base; 815 int pipe; 816 struct drm_event_vblank event; 817 }; 818 819 /* Length for the array of resource pointers for drm_get_resource_*. */ 820 #define DRM_MAX_PCI_RESOURCE 6 821 822 /** 823 * DRM device functions structure 824 */ 825 struct drm_device { 826 struct drm_driver_info *driver; 827 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ 828 829 u_int16_t pci_device; /* PCI device id */ 830 u_int16_t pci_vendor; /* PCI vendor id */ 831 832 char *unique; /* Unique identifier: e.g., busid */ 833 int unique_len; /* Length of unique field */ 834 device_t device; /* Device instance from newbus */ 835 struct cdev *devnode; /* Device number for mknod */ 836 int if_version; /* Highest interface version set */ 837 838 int flags; /* Flags to open(2) */ 839 840 /* Locks */ 841 struct mtx dma_lock; /* protects dev->dma */ 842 struct mtx irq_lock; /* protects irq condition checks */ 843 struct mtx dev_lock; /* protects everything else */ 844 struct sx dev_struct_lock; 845 DRM_SPINTYPE drw_lock; 846 847 /* Usage Counters */ 848 int open_count; /* Outstanding files open */ 849 int buf_use; /* Buffers in use -- cannot alloc */ 850 851 /* Performance counters */ 852 unsigned long counters; 853 enum drm_stat_type types[15]; 854 atomic_t counts[15]; 855 856 /* Authentication */ 857 drm_file_list_t files; 858 drm_magic_head_t magiclist[DRM_HASH_SIZE]; 859 860 /* Linked list of mappable regions. Protected by dev_lock */ 861 drm_map_list_t maplist; 862 struct unrhdr *map_unrhdr; 863 864 drm_local_map_t **context_sareas; 865 int max_context; 866 867 drm_lock_data_t lock; /* Information on hardware lock */ 868 869 /* DMA queues (contexts) */ 870 drm_device_dma_t *dma; /* Optional pointer for DMA support */ 871 872 /* Context support */ 873 int irq; /* Interrupt used by board */ 874 int irq_enabled; /* True if the irq handler is enabled */ 875 int msi_enabled; /* MSI enabled */ 876 int irqrid; /* Interrupt used by board */ 877 struct resource *irqr; /* Resource for interrupt used by board */ 878 void *irqh; /* Handle from bus_setup_intr */ 879 880 /* Storage of resource pointers for drm_get_resource_* */ 881 struct resource *pcir[DRM_MAX_PCI_RESOURCE]; 882 int pcirid[DRM_MAX_PCI_RESOURCE]; 883 884 int pci_domain; 885 int pci_bus; 886 int pci_slot; 887 int pci_func; 888 889 atomic_t context_flag; /* Context swapping flag */ 890 int last_context; /* Last current context */ 891 892 int num_crtcs; 893 894 struct sigio *buf_sigio; /* Processes waiting for SIGIO */ 895 896 /* Sysctl support */ 897 struct drm_sysctl_info *sysctl; 898 int sysctl_node_idx; 899 900 drm_agp_head_t *agp; 901 drm_sg_mem_t *sg; /* Scatter gather memory */ 902 atomic_t *ctx_bitmap; 903 void *dev_private; 904 unsigned int agp_buffer_token; 905 drm_local_map_t *agp_buffer_map; 906 907 struct drm_minor *control; /**< Control node for card */ 908 struct drm_minor *primary; /**< render type primary screen head */ 909 910 void *drm_ttm_bo; 911 struct unrhdr *drw_unrhdr; 912 /* RB tree of drawable infos */ 913 RB_HEAD(drawable_tree, bsd_drm_drawable_info) drw_head; 914 915 int vblank_disable_allowed; 916 917 atomic_t *_vblank_count; /**< number of VBLANK interrupts (driver must alloc the right number of counters) */ 918 struct timeval *_vblank_time; /**< timestamp of current vblank_count (drivers must alloc right number of fields) */ 919 struct mtx vblank_time_lock; /**< Protects vblank count and time updates during vblank enable/disable */ 920 struct mtx vbl_lock; 921 atomic_t *vblank_refcount; /* number of users of vblank interruptsper crtc */ 922 u32 *last_vblank; /* protected by dev->vbl_lock, used */ 923 /* for wraparound handling */ 924 int *vblank_enabled; /* so we don't call enable more than 925 once per disable */ 926 int *vblank_inmodeset; /* Display driver is setting mode */ 927 u32 *last_vblank_wait; /* Last vblank seqno waited per CRTC */ 928 struct callout vblank_disable_callout; 929 930 u32 max_vblank_count; /**< size of vblank counter register */ 931 932 struct list_head vblank_event_list; 933 struct mtx event_lock; 934 935 struct drm_mode_config mode_config; /**< Current mode config */ 936 937 /* GEM part */ 938 struct sx object_name_lock; 939 struct drm_gem_names object_names; 940 void *mm_private; 941 942 void *sysctl_private; 943 char busid_str[128]; 944 int modesetting; 945 }; 946 947 static __inline__ int drm_core_check_feature(struct drm_device *dev, 948 int feature) 949 { 950 return ((dev->driver->driver_features & feature) ? 1 : 0); 951 } 952 953 #if __OS_HAS_AGP 954 static inline int drm_core_has_AGP(struct drm_device *dev) 955 { 956 return drm_core_check_feature(dev, DRIVER_USE_AGP); 957 } 958 #else 959 #define drm_core_has_AGP(dev) (0) 960 #endif 961 962 enum dmi_field { 963 DMI_NONE, 964 DMI_BIOS_VENDOR, 965 DMI_BIOS_VERSION, 966 DMI_BIOS_DATE, 967 DMI_SYS_VENDOR, 968 DMI_PRODUCT_NAME, 969 DMI_PRODUCT_VERSION, 970 DMI_PRODUCT_SERIAL, 971 DMI_PRODUCT_UUID, 972 DMI_BOARD_VENDOR, 973 DMI_BOARD_NAME, 974 DMI_BOARD_VERSION, 975 DMI_BOARD_SERIAL, 976 DMI_BOARD_ASSET_TAG, 977 DMI_CHASSIS_VENDOR, 978 DMI_CHASSIS_TYPE, 979 DMI_CHASSIS_VERSION, 980 DMI_CHASSIS_SERIAL, 981 DMI_CHASSIS_ASSET_TAG, 982 DMI_STRING_MAX, 983 }; 984 985 struct dmi_strmatch { 986 unsigned char slot; 987 char substr[79]; 988 }; 989 990 struct dmi_system_id { 991 int (*callback)(const struct dmi_system_id *); 992 const char *ident; 993 struct dmi_strmatch matches[4]; 994 }; 995 #define DMI_MATCH(a, b) {(a), (b)} 996 bool dmi_check_system(const struct dmi_system_id *); 997 998 extern int drm_debug_flag; 999 extern int drm_notyet_flag; 1000 extern unsigned int drm_vblank_offdelay; 1001 extern unsigned int drm_timestamp_precision; 1002 1003 /* Device setup support (drm_drv.c) */ 1004 int drm_probe(device_t kdev, drm_pci_id_list_t *idlist); 1005 int drm_attach(device_t kdev, drm_pci_id_list_t *idlist); 1006 int drm_create_cdevs(device_t kdev); 1007 void drm_close(void *data); 1008 int drm_detach(device_t kdev); 1009 d_ioctl_t drm_ioctl; 1010 d_open_t drm_open; 1011 d_read_t drm_read; 1012 d_poll_t drm_poll; 1013 d_mmap_t drm_mmap; 1014 extern drm_local_map_t *drm_getsarea(struct drm_device *dev); 1015 1016 void drm_event_wakeup(struct drm_pending_event *e); 1017 1018 int drm_add_busid_modesetting(struct drm_device *dev, 1019 struct sysctl_ctx_list *ctx, struct sysctl_oid *top); 1020 1021 /* File operations helpers (drm_fops.c) */ 1022 extern int drm_open_helper(struct cdev *kdev, int flags, int fmt, 1023 DRM_STRUCTPROC *p, 1024 struct drm_device *dev); 1025 1026 /* Memory management support (drm_memory.c) */ 1027 void drm_mem_init(void); 1028 void drm_mem_uninit(void); 1029 void *drm_ioremap_wc(struct drm_device *dev, drm_local_map_t *map); 1030 void *drm_ioremap(struct drm_device *dev, drm_local_map_t *map); 1031 void drm_ioremapfree(drm_local_map_t *map); 1032 int drm_mtrr_add(unsigned long offset, size_t size, int flags); 1033 int drm_mtrr_del(int handle, unsigned long offset, size_t size, int flags); 1034 1035 int drm_context_switch(struct drm_device *dev, int old, int new); 1036 int drm_context_switch_complete(struct drm_device *dev, int new); 1037 1038 int drm_ctxbitmap_init(struct drm_device *dev); 1039 void drm_ctxbitmap_cleanup(struct drm_device *dev); 1040 void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle); 1041 int drm_ctxbitmap_next(struct drm_device *dev); 1042 1043 /* Locking IOCTL support (drm_lock.c) */ 1044 int drm_lock_take(struct drm_lock_data *lock_data, 1045 unsigned int context); 1046 int drm_lock_transfer(struct drm_lock_data *lock_data, 1047 unsigned int context); 1048 int drm_lock_free(struct drm_lock_data *lock_data, 1049 unsigned int context); 1050 1051 /* Buffer management support (drm_bufs.c) */ 1052 unsigned long drm_get_resource_start(struct drm_device *dev, 1053 unsigned int resource); 1054 unsigned long drm_get_resource_len(struct drm_device *dev, 1055 unsigned int resource); 1056 void drm_rmmap(struct drm_device *dev, drm_local_map_t *map); 1057 int drm_order(unsigned long size); 1058 int drm_addmap(struct drm_device *dev, unsigned long offset, 1059 unsigned long size, 1060 enum drm_map_type type, enum drm_map_flags flags, 1061 drm_local_map_t **map_ptr); 1062 int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc *request); 1063 int drm_addbufs_sg(struct drm_device *dev, struct drm_buf_desc *request); 1064 int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc *request); 1065 1066 /* DMA support (drm_dma.c) */ 1067 int drm_dma_setup(struct drm_device *dev); 1068 void drm_dma_takedown(struct drm_device *dev); 1069 void drm_free_buffer(struct drm_device *dev, drm_buf_t *buf); 1070 void drm_reclaim_buffers(struct drm_device *dev, struct drm_file *file_priv); 1071 #define drm_core_reclaim_buffers drm_reclaim_buffers 1072 1073 /* IRQ support (drm_irq.c) */ 1074 int drm_irq_install(struct drm_device *dev); 1075 int drm_irq_uninstall(struct drm_device *dev); 1076 irqreturn_t drm_irq_handler(DRM_IRQ_ARGS); 1077 void drm_driver_irq_preinstall(struct drm_device *dev); 1078 void drm_driver_irq_postinstall(struct drm_device *dev); 1079 void drm_driver_irq_uninstall(struct drm_device *dev); 1080 1081 void drm_vblank_pre_modeset(struct drm_device *dev, int crtc); 1082 void drm_vblank_post_modeset(struct drm_device *dev, int crtc); 1083 int drm_modeset_ctl(struct drm_device *dev, void *data, 1084 struct drm_file *file_priv); 1085 1086 extern int drm_vblank_init(struct drm_device *dev, int num_crtcs); 1087 extern int drm_wait_vblank(struct drm_device *dev, void *data, 1088 struct drm_file *filp); 1089 extern int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq); 1090 extern u32 drm_vblank_count(struct drm_device *dev, int crtc); 1091 extern u32 drm_vblank_count_and_time(struct drm_device *dev, int crtc, 1092 struct timeval *vblanktime); 1093 extern bool drm_handle_vblank(struct drm_device *dev, int crtc); 1094 void drm_handle_vblank_events(struct drm_device *dev, int crtc); 1095 extern int drm_vblank_get(struct drm_device *dev, int crtc); 1096 extern void drm_vblank_put(struct drm_device *dev, int crtc); 1097 extern void drm_vblank_off(struct drm_device *dev, int crtc); 1098 extern void drm_vblank_cleanup(struct drm_device *dev); 1099 extern u32 drm_get_last_vbltimestamp(struct drm_device *dev, int crtc, 1100 struct timeval *tvblank, unsigned flags); 1101 extern int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev, 1102 int crtc, int *max_error, 1103 struct timeval *vblank_time, 1104 unsigned flags, 1105 struct drm_crtc *refcrtc); 1106 extern void drm_calc_timestamping_constants(struct drm_crtc *crtc); 1107 1108 struct timeval ns_to_timeval(const int64_t nsec); 1109 int64_t timeval_to_ns(const struct timeval *tv); 1110 1111 /* AGP/PCI Express/GART support (drm_agpsupport.c) */ 1112 int drm_device_is_agp(struct drm_device *dev); 1113 int drm_device_is_pcie(struct drm_device *dev); 1114 drm_agp_head_t *drm_agp_init(void); 1115 int drm_agp_acquire(struct drm_device *dev); 1116 int drm_agp_release(struct drm_device *dev); 1117 int drm_agp_info(struct drm_device * dev, struct drm_agp_info *info); 1118 int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode); 1119 void *drm_agp_allocate_memory(size_t pages, u32 type); 1120 int drm_agp_free_memory(void *handle); 1121 int drm_agp_bind_memory(void *handle, off_t start); 1122 int drm_agp_unbind_memory(void *handle); 1123 int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request); 1124 int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request); 1125 int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request); 1126 int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request); 1127 1128 /* Scatter Gather Support (drm_scatter.c) */ 1129 void drm_sg_cleanup(drm_sg_mem_t *entry); 1130 int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request); 1131 1132 /* sysctl support (drm_sysctl.h) */ 1133 extern int drm_sysctl_init(struct drm_device *dev); 1134 extern int drm_sysctl_cleanup(struct drm_device *dev); 1135 1136 /* ATI PCIGART support (ati_pcigart.c) */ 1137 int drm_ati_pcigart_init(struct drm_device *dev, 1138 struct drm_ati_pcigart_info *gart_info); 1139 int drm_ati_pcigart_cleanup(struct drm_device *dev, 1140 struct drm_ati_pcigart_info *gart_info); 1141 1142 /* Cache management (drm_memory.c) */ 1143 void drm_clflush_pages(vm_page_t *pages, unsigned long num_pages); 1144 1145 /* Locking IOCTL support (drm_drv.c) */ 1146 int drm_lock(struct drm_device *dev, void *data, 1147 struct drm_file *file_priv); 1148 int drm_unlock(struct drm_device *dev, void *data, 1149 struct drm_file *file_priv); 1150 int drm_version(struct drm_device *dev, void *data, 1151 struct drm_file *file_priv); 1152 int drm_setversion(struct drm_device *dev, void *data, 1153 struct drm_file *file_priv); 1154 1155 /* Misc. IOCTL support (drm_ioctl.c) */ 1156 int drm_irq_by_busid(struct drm_device *dev, void *data, 1157 struct drm_file *file_priv); 1158 int drm_getunique(struct drm_device *dev, void *data, 1159 struct drm_file *file_priv); 1160 int drm_setunique(struct drm_device *dev, void *data, 1161 struct drm_file *file_priv); 1162 int drm_getmap(struct drm_device *dev, void *data, 1163 struct drm_file *file_priv); 1164 int drm_getclient(struct drm_device *dev, void *data, 1165 struct drm_file *file_priv); 1166 int drm_getstats(struct drm_device *dev, void *data, 1167 struct drm_file *file_priv); 1168 int drm_getcap(struct drm_device *dev, void *data, 1169 struct drm_file *file_priv); 1170 int drm_noop(struct drm_device *dev, void *data, 1171 struct drm_file *file_priv); 1172 1173 /* Context IOCTL support (drm_context.c) */ 1174 int drm_resctx(struct drm_device *dev, void *data, 1175 struct drm_file *file_priv); 1176 int drm_addctx(struct drm_device *dev, void *data, 1177 struct drm_file *file_priv); 1178 int drm_modctx(struct drm_device *dev, void *data, 1179 struct drm_file *file_priv); 1180 int drm_getctx(struct drm_device *dev, void *data, 1181 struct drm_file *file_priv); 1182 int drm_switchctx(struct drm_device *dev, void *data, 1183 struct drm_file *file_priv); 1184 int drm_newctx(struct drm_device *dev, void *data, 1185 struct drm_file *file_priv); 1186 int drm_rmctx(struct drm_device *dev, void *data, 1187 struct drm_file *file_priv); 1188 int drm_setsareactx(struct drm_device *dev, void *data, 1189 struct drm_file *file_priv); 1190 int drm_getsareactx(struct drm_device *dev, void *data, 1191 struct drm_file *file_priv); 1192 1193 /* Drawable IOCTL support (drm_drawable.c) */ 1194 int drm_adddraw(struct drm_device *dev, void *data, 1195 struct drm_file *file_priv); 1196 int drm_rmdraw(struct drm_device *dev, void *data, 1197 struct drm_file *file_priv); 1198 int drm_update_draw(struct drm_device *dev, void *data, 1199 struct drm_file *file_priv); 1200 struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev, 1201 int handle); 1202 1203 /* Drawable support (drm_drawable.c) */ 1204 void drm_drawable_free_all(struct drm_device *dev); 1205 1206 /* Authentication IOCTL support (drm_auth.c) */ 1207 int drm_getmagic(struct drm_device *dev, void *data, 1208 struct drm_file *file_priv); 1209 int drm_authmagic(struct drm_device *dev, void *data, 1210 struct drm_file *file_priv); 1211 1212 /* Buffer management support (drm_bufs.c) */ 1213 int drm_addmap_ioctl(struct drm_device *dev, void *data, 1214 struct drm_file *file_priv); 1215 int drm_rmmap_ioctl(struct drm_device *dev, void *data, 1216 struct drm_file *file_priv); 1217 int drm_addbufs(struct drm_device *dev, void *data, 1218 struct drm_file *file_priv); 1219 int drm_infobufs(struct drm_device *dev, void *data, 1220 struct drm_file *file_priv); 1221 int drm_markbufs(struct drm_device *dev, void *data, 1222 struct drm_file *file_priv); 1223 int drm_freebufs(struct drm_device *dev, void *data, 1224 struct drm_file *file_priv); 1225 int drm_mapbufs(struct drm_device *dev, void *data, 1226 struct drm_file *file_priv); 1227 1228 /* DMA support (drm_dma.c) */ 1229 int drm_dma(struct drm_device *dev, void *data, struct drm_file *file_priv); 1230 1231 /* IRQ support (drm_irq.c) */ 1232 int drm_control(struct drm_device *dev, void *data, 1233 struct drm_file *file_priv); 1234 1235 /* AGP/GART support (drm_agpsupport.c) */ 1236 int drm_agp_acquire_ioctl(struct drm_device *dev, void *data, 1237 struct drm_file *file_priv); 1238 int drm_agp_release_ioctl(struct drm_device *dev, void *data, 1239 struct drm_file *file_priv); 1240 int drm_agp_enable_ioctl(struct drm_device *dev, void *data, 1241 struct drm_file *file_priv); 1242 int drm_agp_info_ioctl(struct drm_device *dev, void *data, 1243 struct drm_file *file_priv); 1244 int drm_agp_alloc_ioctl(struct drm_device *dev, void *data, 1245 struct drm_file *file_priv); 1246 int drm_agp_free_ioctl(struct drm_device *dev, void *data, 1247 struct drm_file *file_priv); 1248 int drm_agp_unbind_ioctl(struct drm_device *dev, void *data, 1249 struct drm_file *file_priv); 1250 int drm_agp_bind_ioctl(struct drm_device *dev, void *data, 1251 struct drm_file *file_priv); 1252 1253 /* Stub support (drm_stub.h) */ 1254 extern int drm_setmaster_ioctl(struct drm_device *dev, void *data, 1255 struct drm_file *file_priv); 1256 extern int drm_dropmaster_ioctl(struct drm_device *dev, void *data, 1257 struct drm_file *file_priv); 1258 1259 /* Scatter Gather Support (drm_scatter.c) */ 1260 int drm_sg_alloc_ioctl(struct drm_device *dev, void *data, 1261 struct drm_file *file_priv); 1262 int drm_sg_free(struct drm_device *dev, void *data, 1263 struct drm_file *file_priv); 1264 1265 /* consistent PCI memory functions (drm_pci.c) */ 1266 drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size, 1267 size_t align, dma_addr_t maxaddr); 1268 void drm_pci_free(struct drm_device *dev, drm_dma_handle_t *dmah); 1269 1270 /* Graphics Execution Manager library functions (drm_gem.c) */ 1271 int drm_gem_init(struct drm_device *dev); 1272 void drm_gem_destroy(struct drm_device *dev); 1273 1274 int drm_gem_close_ioctl(struct drm_device *dev, void *data, 1275 struct drm_file *file_priv); 1276 int drm_gem_flink_ioctl(struct drm_device *dev, void *data, 1277 struct drm_file *file_priv); 1278 int drm_gem_open_ioctl(struct drm_device *dev, void *data, 1279 struct drm_file *file_priv); 1280 int drm_gem_handle_create(struct drm_file *file_priv, 1281 struct drm_gem_object *obj, 1282 u32 *handlep); 1283 int drm_gem_handle_delete(struct drm_file *file_priv, uint32_t handle); 1284 void drm_gem_object_handle_reference(struct drm_gem_object *obj); 1285 void drm_gem_object_handle_unreference(struct drm_gem_object *obj); 1286 void drm_gem_object_handle_unreference_unlocked(struct drm_gem_object *obj); 1287 void drm_gem_object_handle_free(struct drm_gem_object *obj); 1288 void drm_gem_object_reference(struct drm_gem_object *obj); 1289 void drm_gem_object_unreference(struct drm_gem_object *obj); 1290 void drm_gem_object_unreference_unlocked(struct drm_gem_object *obj); 1291 void drm_gem_object_release(struct drm_gem_object *obj); 1292 void drm_gem_object_free(struct drm_gem_object *obj); 1293 int drm_gem_object_init(struct drm_device *dev, struct drm_gem_object *obj, 1294 size_t size); 1295 int drm_gem_private_object_init(struct drm_device *dev, 1296 struct drm_gem_object *obj, size_t size); 1297 struct drm_gem_object *drm_gem_object_alloc(struct drm_device *dev, 1298 size_t size); 1299 struct drm_gem_object *drm_gem_object_lookup(struct drm_device *dev, 1300 struct drm_file *file_priv, uint32_t handle); 1301 1302 void drm_gem_open(struct drm_device *dev, struct drm_file *file_priv); 1303 void drm_gem_release(struct drm_device *dev, struct drm_file *file_priv); 1304 1305 int drm_gem_create_mmap_offset(struct drm_gem_object *obj); 1306 void drm_gem_free_mmap_offset(struct drm_gem_object *obj); 1307 int drm_gem_mmap_single(struct drm_device *dev, vm_ooffset_t *offset, 1308 vm_size_t size, struct vm_object **obj_res, int nprot); 1309 void drm_gem_pager_dtr(void *obj); 1310 1311 struct ttm_bo_device; 1312 int ttm_bo_mmap_single(struct ttm_bo_device *bdev, vm_ooffset_t *offset, 1313 vm_size_t size, struct vm_object **obj_res, int nprot); 1314 1315 void drm_device_lock_mtx(struct drm_device *dev); 1316 void drm_device_unlock_mtx(struct drm_device *dev); 1317 int drm_device_sleep_mtx(struct drm_device *dev, void *chan, int flags, 1318 const char *msg, int timeout); 1319 void drm_device_assert_mtx_locked(struct drm_device *dev); 1320 void drm_device_assert_mtx_unlocked(struct drm_device *dev); 1321 1322 void drm_device_lock_struct(struct drm_device *dev); 1323 void drm_device_unlock_struct(struct drm_device *dev); 1324 int drm_device_sleep_struct(struct drm_device *dev, void *chan, int flags, 1325 const char *msg, int timeout); 1326 void drm_device_assert_struct_locked(struct drm_device *dev); 1327 void drm_device_assert_struct_unlocked(struct drm_device *dev); 1328 1329 void drm_compat_locking_init(struct drm_device *dev); 1330 void drm_sleep_locking_init(struct drm_device *dev); 1331 1332 /* drm_modes.c */ 1333 bool drm_mode_parse_command_line_for_connector(const char *mode_option, 1334 struct drm_connector *connector, struct drm_cmdline_mode *mode); 1335 struct drm_display_mode *drm_mode_create_from_cmdline_mode( 1336 struct drm_device *dev, struct drm_cmdline_mode *cmd); 1337 1338 /* drm_edid.c */ 1339 u8 *drm_find_cea_extension(struct edid *edid); 1340 1341 /* Inline replacements for drm_alloc and friends */ 1342 static __inline__ void * 1343 drm_alloc(size_t size, struct malloc_type *area) 1344 { 1345 return malloc(size, area, M_NOWAIT); 1346 } 1347 1348 static __inline__ void * 1349 drm_calloc(size_t nmemb, size_t size, struct malloc_type *area) 1350 { 1351 return malloc(size * nmemb, area, M_NOWAIT | M_ZERO); 1352 } 1353 1354 static __inline__ void * 1355 drm_realloc(void *oldpt, size_t oldsize, size_t size, 1356 struct malloc_type *area) 1357 { 1358 return reallocf(oldpt, size, area, M_NOWAIT); 1359 } 1360 1361 static __inline__ void 1362 drm_free(void *pt, size_t size, struct malloc_type *area) 1363 { 1364 free(pt, area); 1365 } 1366 1367 /* Inline replacements for DRM_IOREMAP macros */ 1368 static __inline__ void 1369 drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev) 1370 { 1371 map->virtual = drm_ioremap_wc(dev, map); 1372 } 1373 static __inline__ void 1374 drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev) 1375 { 1376 map->virtual = drm_ioremap(dev, map); 1377 } 1378 static __inline__ void 1379 drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev) 1380 { 1381 if ( map->virtual && map->size ) 1382 drm_ioremapfree(map); 1383 } 1384 1385 static __inline__ struct drm_local_map * 1386 drm_core_findmap(struct drm_device *dev, unsigned long offset) 1387 { 1388 drm_local_map_t *map; 1389 1390 DRM_LOCK_ASSERT(dev); 1391 TAILQ_FOREACH(map, &dev->maplist, link) { 1392 if (offset == (unsigned long)map->handle) 1393 return map; 1394 } 1395 return NULL; 1396 } 1397 1398 static __inline__ void drm_core_dropmap(struct drm_map *map) 1399 { 1400 } 1401 1402 #define KIB_NOTYET() \ 1403 do { \ 1404 if (drm_debug_flag && drm_notyet_flag) \ 1405 printf("NOTYET: %s at %s:%d\n", __func__, __FILE__, __LINE__); \ 1406 } while (0) 1407 1408 #define KTR_DRM KTR_DEV 1409 #define KTR_DRM_REG KTR_SPARE3 1410 1411 #endif /* __KERNEL__ */ 1412 #endif /* _DRM_P_H_ */ 1413