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