drmP.h revision 1.6
1 /* drmP.h -- Private header for Direct Rendering Manager -*- linux-c -*- 2 * Created: Mon Jan 4 10:05:05 1999 by faith (at) 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 (at) valinux.com> 30 * Gareth Hughes <gareth (at) valinux.com> 31 * 32 */ 33 34 #ifndef _DRM_P_H_ 35 #define _DRM_P_H_ 36 37 #if defined(_KERNEL) || defined(__KERNEL__) 38 39 typedef struct drm_device drm_device_t; 40 typedef struct drm_file drm_file_t; 41 42 #if defined(__NetBSD__) && defined(_KERNEL_OPT) 43 #include "opt_drm.h" 44 #endif 45 46 #include <sys/param.h> 47 #include <sys/queue.h> 48 #include <sys/malloc.h> 49 #include <sys/kernel.h> 50 #ifndef __OpenBSD__ 51 #include <sys/module.h> 52 #endif 53 #include <sys/systm.h> 54 #include <sys/conf.h> 55 #include <sys/stat.h> 56 #if __FreeBSD_version >= 700000 57 #include <sys/priv.h> 58 #endif 59 #include <sys/proc.h> 60 #include <sys/lock.h> 61 #include <sys/fcntl.h> 62 #include <sys/uio.h> 63 #include <sys/filio.h> 64 #include <sys/sysctl.h> 65 #include <sys/poll.h> 66 #include <sys/tree.h> 67 #include <sys/bus.h> 68 #include <sys/signalvar.h> 69 #ifdef __FreeBSD__ 70 #include <sys/taskqueue.h> 71 #include <vm/vm.h> 72 #include <vm/pmap.h> 73 #include <vm/vm_extern.h> 74 #include <vm/vm_map.h> 75 #include <vm/vm_param.h> 76 #include <machine/resource.h> 77 #include <machine/param.h> 78 #endif 79 #include <machine/pmap.h> 80 #include <machine/bus.h> 81 #if !defined(DRM_NO_MTRR) 82 #include <machine/sysarch.h> 83 #endif 84 #include <sys/endian.h> 85 #include <sys/mman.h> 86 #if defined(__FreeBSD__) 87 #include <sys/rman.h> 88 #include <sys/memrange.h> 89 #if __FreeBSD_version >= 800004 90 #include <dev/agp/agpvar.h> 91 #else /* __FreeBSD_version >= 800004 */ 92 #include <pci/agpvar.h> 93 #endif /* __FreeBSD_version >= 800004 */ 94 #include <sys/agpio.h> 95 #if __FreeBSD_version >= 500000 96 #include <sys/mutex.h> 97 #include <dev/pci/pcivar.h> 98 #include <sys/selinfo.h> 99 #else /* __FreeBSD_version >= 500000 */ 100 #include <pci/pcivar.h> 101 #include <sys/select.h> 102 #endif /* __FreeBSD_version < 500000 */ 103 #elif defined(__NetBSD__) 104 #ifndef DRM_NO_MTRR 105 #include <machine/mtrr.h> 106 #endif 107 #include <sys/vnode.h> 108 #include <sys/select.h> 109 #include <sys/device.h> 110 #include <sys/resourcevar.h> 111 #include <sys/lkm.h> 112 #include <sys/agpio.h> 113 #include <sys/ttycom.h> 114 #include <sys/mman.h> 115 #include <sys/kauth.h> 116 #include <sys/types.h> 117 #include <sys/file.h> 118 #include <sys/atomic.h> 119 #include <sys/workqueue.h> 120 #include <uvm/uvm.h> 121 #include <dev/pci/pcireg.h> 122 #include <dev/pci/pcivar.h> 123 #include <dev/pci/agpvar.h> 124 #elif defined(__OpenBSD__) 125 #include <sys/lkm.h> 126 #include <uvm/uvm.h> 127 #endif 128 129 #include "drm.h" 130 #include "drm_linux_list.h" 131 #include "drm_atomic.h" 132 #include "drm_internal.h" 133 134 #ifdef __FreeBSD__ 135 #include <opt_drm.h> 136 #endif 137 138 #ifdef DRM_DEBUG 139 #undef DRM_DEBUG 140 #define DRM_DEBUG_DEFAULT_ON 1 141 #endif /* DRM_DEBUG */ 142 143 #ifdef __FreeBSD__ 144 #define DRM_KASSERT(x,y) KASSERT(x,y) 145 #else 146 #define DRM_KASSERT(x,y) KASSERT(x) 147 #define device_get_softc(x) device_private(x) 148 #define callout_deactivate(x) callout_stop(x) 149 #define callout_drain(x) callout_stop(x) 150 #endif 151 152 #if defined(DRM_LINUX) && DRM_LINUX && !defined(__amd64__) 153 #include <sys/file.h> 154 #include <sys/proc.h> 155 #include <machine/../linux/linux.h> 156 #include <machine/../linux/linux_proto.h> 157 #else 158 /* Either it was defined when it shouldn't be (FreeBSD amd64) or it isn't 159 * supported on this OS yet. 160 */ 161 #undef DRM_LINUX 162 #define DRM_LINUX 0 163 #endif 164 165 #define DRM_HASH_SIZE 16 /* Size of key hash table */ 166 #define DRM_KERNEL_CONTEXT 0 /* Change drm_resctx if changed */ 167 #define DRM_RESERVED_CONTEXTS 1 /* Change drm_resctx if changed */ 168 169 #define DRM_MEM_DMA 0 170 #define DRM_MEM_SAREA 1 171 #define DRM_MEM_DRIVER 2 172 #define DRM_MEM_MAGIC 3 173 #define DRM_MEM_IOCTLS 4 174 #define DRM_MEM_MAPS 5 175 #define DRM_MEM_BUFS 6 176 #define DRM_MEM_SEGS 7 177 #define DRM_MEM_PAGES 8 178 #define DRM_MEM_FILES 9 179 #define DRM_MEM_QUEUES 10 180 #define DRM_MEM_CMDS 11 181 #define DRM_MEM_MAPPINGS 12 182 #define DRM_MEM_BUFLISTS 13 183 #define DRM_MEM_AGPLISTS 14 184 #define DRM_MEM_TOTALAGP 15 185 #define DRM_MEM_BOUNDAGP 16 186 #define DRM_MEM_CTXBITMAP 17 187 #define DRM_MEM_STUB 18 188 #define DRM_MEM_SGLISTS 19 189 #define DRM_MEM_DRAWABLE 20 190 191 #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) 192 193 /* Internal types and structures */ 194 #define DRM_ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) 195 #define DRM_MIN(a,b) ((a)<(b)?(a):(b)) 196 #define DRM_MAX(a,b) ((a)>(b)?(a):(b)) 197 198 #define DRM_IF_VERSION(maj, min) (maj << 16 | min) 199 200 MALLOC_DECLARE(M_DRM); 201 202 #define __OS_HAS_AGP 1 203 204 #define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP) 205 #define DRM_DEV_UID 0 206 #define DRM_DEV_GID 0 207 208 #define wait_queue_head_t atomic_t 209 #define DRM_WAKEUP(w) wakeup((void *)w) 210 #define DRM_WAKEUP_INT(w) wakeup(w) 211 #define DRM_INIT_WAITQUEUE(queue) do {(void)(queue);} while (0) 212 213 #if defined(__FreeBSD__) && __FreeBSD_version < 502109 214 #define bus_alloc_resource_any(dev, type, rid, flags) \ 215 bus_alloc_resource(dev, type, rid, 0ul, ~0ul, 1, flags) 216 #endif 217 218 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000 219 #define DRM_CDEV struct cdev * 220 #define DRM_CURPROC curthread 221 #define DRM_STRUCTPROC struct thread 222 #define DRM_STRUCTCDEVPROC struct thread 223 #define DRM_CDEVPROC_REAL(p) (p) 224 #define DRM_IOCTL_DATA caddr_t 225 #define DRM_SPINTYPE struct mtx 226 #define DRM_SPININIT(l,name) mtx_init(l, name, NULL, MTX_DEF) 227 #define DRM_SPINUNINIT(l) mtx_destroy(l) 228 #define DRM_SPINLOCK(l) mtx_lock(l) 229 #define DRM_SPINUNLOCK(u) mtx_unlock(u) 230 #define DRM_SPINLOCK_IRQSAVE(l, irqflags) do { \ 231 mtx_lock(l); \ 232 (void)irqflags; \ 233 } while (0) 234 #define DRM_SPINUNLOCK_IRQRESTORE(u, irqflags) mtx_unlock(u) 235 #define DRM_SPINLOCK_ASSERT(l) mtx_assert(l, MA_OWNED) 236 #define DRM_CURRENTPID curthread->td_proc->p_pid 237 #define DRM_LOCK() mtx_lock(&dev->dev_lock) 238 #define DRM_UNLOCK() mtx_unlock(&dev->dev_lock) 239 #define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS) 240 #else /* __FreeBSD__ && __FreeBSD_version >= 500000 */ 241 #ifdef __NetBSD__ 242 #define DRM_CDEV dev_t 243 #define DRM_CURPROC curproc 244 #define DRM_STRUCTPROC struct proc 245 #define DRM_STRUCTCDEVPROC struct lwp 246 #define DRM_CDEVPROC_REAL(l) (l)->l_proc 247 #define DRM_IOCTL_DATA void * 248 #define DRM_SPINTYPE kmutex_t 249 #define DRM_SPININIT(l,name) mutex_init(l, MUTEX_DEFAULT, IPL_NONE) 250 #define DRM_SPINUNINIT(l) mutex_destroy(l) 251 #define DRM_SPINLOCK(l) mutex_enter(l) 252 #define DRM_SPINUNLOCK(u) mutex_exit(u) 253 #define DRM_SPINLOCK_ASSERT(l) mutex_owned(l) 254 #define DRM_LOCK() DRM_SPINLOCK(&dev->dev_lock) 255 #define DRM_UNLOCK() DRM_SPINUNLOCK(&dev->dev_lock) 256 #define DRM_CURRENTPID curproc->p_pid 257 #define DRM_SYSCTL_HANDLER_ARGS (SYSCTLFN_ARGS) 258 #define DRM_SPINLOCK_IRQSAVE(l, irqflags) do { \ 259 mutex_enter(l); \ 260 (void)irqflags; \ 261 } while (0) 262 #define DRM_SPINUNLOCK_IRQRESTORE(u, irqflags) mutex_exit(u) 263 #else /* __NetBSD__ */ 264 #define DRM_CURPROC curproc 265 #define DRM_STRUCTPROC struct proc 266 #define DRM_SPINTYPE struct simplelock 267 #define DRM_SPININIT(l,name) 268 #define DRM_SPINUNINIT(l) 269 #define DRM_SPINLOCK(l) 270 #define DRM_SPINUNLOCK(u) 271 #define DRM_SPINLOCK_ASSERT(l) 272 #define DRM_CURRENTPID curproc->p_pid 273 #define DRM_LOCK() 274 #define DRM_UNLOCK() 275 #define DRM_SYSCTL_HANDLER_ARGS SYSCTL_HANDLER_ARGS 276 #define spldrm() spltty() 277 #endif /* __OpenBSD__ */ 278 #endif 279 280 #define DRM_IRQ_ARGS void *arg 281 #ifdef __FreeBSD__ 282 typedef void irqreturn_t; 283 #define IRQ_HANDLED /* nothing */ 284 #define IRQ_NONE /* nothing */ 285 #elif defined(__NetBSD__) 286 typedef int irqreturn_t; 287 #define IRQ_HANDLED 0 288 #define IRQ_NONE 0 289 #endif 290 291 enum { 292 DRM_IS_NOT_AGP, 293 DRM_IS_AGP, 294 DRM_MIGHT_BE_AGP 295 }; 296 #define DRM_AGP_MEM struct agp_memory_info 297 298 #if defined(__FreeBSD__) 299 #define drm_get_device_from_kdev(_kdev) (_kdev->si_drv1) 300 #elif defined(__NetBSD__) 301 #define drm_get_device_from_kdev(_kdev) (minor(_kdev) < DRM_MAXUNITS) ? \ 302 drm_units[minor(_kdev)] : NULL 303 #elif defined(__OpenBSD__) 304 #define drm_get_device_from_kdev(_kdev) device_lookup(&drm_cd, \ 305 minor(_kdev)))->dv_cfdata->cf_driver->cd_devs[minor(_kdev)] 306 #endif 307 308 #if defined(__FreeBSD__) 309 #define PAGE_ALIGN(addr) round_page(addr) 310 /* DRM_SUSER returns true if the user is superuser */ 311 #if __FreeBSD_version >= 700000 312 #define DRM_SUSER(p) (priv_check(p, PRIV_DRIVER) == 0) 313 #else 314 #define DRM_SUSER(p) (suser(p) == 0) 315 #endif 316 #define DRM_AGP_FIND_DEVICE() agp_find_device() 317 #define DRM_MTRR_WC MDF_WRITECOMBINE 318 #define jiffies ticks 319 320 #else /* __FreeBSD__ */ 321 322 #define CDEV_MAJOR 34 323 #define PAGE_ALIGN(addr) ALIGN(addr) 324 /* DRM_SUSER returns true if the user is superuser */ 325 #if defined(__NetBSD__) 326 #define DRM_SUSER(p) (kauth_cred_getsvuid((p)->p_cred) == 0) 327 #define DRM_MAXUNITS 128 328 extern drm_device_t *drm_units[]; 329 #define DRM_MTRR_WC MTRR_TYPE_WC 330 #define jiffies hardclock_ticks 331 #ifdef __x86_64__ 332 #define DRM_NETBSD_ADDR2HANDLE(addr) (addr & 0x7fffffffffffffff) 333 #define DRM_NETBSD_HANDLE2ADDR(handle) (handle | 0x8000000000000000) 334 #else 335 #define DRM_NETBSD_ADDR2HANDLE(addr) (addr) 336 #define DRM_NETBSD_HANDLE2ADDR(handle) (handle) 337 #endif 338 #elif defined(__OpenBSD__) 339 #define DRM_SUSER(p) (suser(p->p_ucred, &p->p_acflag) == 0) 340 #define DRM_MTRR_WC MTRR_TYPE_WC 341 #define jiffies ticks 342 #endif 343 344 #ifdef DRM_NO_AGP 345 #define DRM_AGP_FIND_DEVICE() 0 346 #else 347 #define DRM_AGP_FIND_DEVICE() agp_find_device(0) 348 #endif 349 350 #if !defined(__NetBSD__) 351 typedef struct drm_device *device_t; 352 #endif 353 354 extern struct cfdriver drm_cd; 355 356 #endif /* !__FreeBSD__ */ 357 358 /* Capabilities taken from src/sys/dev/pci/pcireg.h. */ 359 #ifndef PCIY_AGP 360 #define PCIY_AGP 0x02 361 #endif 362 363 #ifndef PCIY_EXPRESS 364 #define PCIY_EXPRESS 0x10 365 #endif 366 367 typedef unsigned long dma_addr_t; 368 typedef u_int64_t u64; 369 typedef u_int32_t u32; 370 typedef u_int16_t u16; 371 typedef u_int8_t u8; 372 373 /* DRM_READMEMORYBARRIER() prevents reordering of reads. 374 * DRM_WRITEMEMORYBARRIER() prevents reordering of writes. 375 * DRM_MEMORYBARRIER() prevents reordering of reads and writes. 376 */ 377 378 /* XXX TODO: change to bus_space_barrier(9), as certain architectures 379 might need them--not to mention that MD cruft is ugly. I just 380 didn't feel like writing the macros right now. The use of mb(9) 381 below should be enough for x86, perhaps others. */ 382 383 #if defined(__NetBSD__) 384 #define DRM_READMEMORYBARRIER() membar_consumer() 385 #define DRM_WRITEMEMORYBARRIER() membar_producer() 386 #define DRM_MEMORYBARRIER() membar_sync() 387 #elif defined(__i386__) 388 #define DRM_READMEMORYBARRIER() __asm __volatile( \ 389 "lock; addl $0,0(%%esp)" : : : "memory"); 390 #define DRM_WRITEMEMORYBARRIER() __asm __volatile("" : : : "memory"); 391 #define DRM_MEMORYBARRIER() __asm __volatile( \ 392 "lock; addl $0,0(%%esp)" : : : "memory"); 393 #elif defined(__alpha__) 394 #define DRM_READMEMORYBARRIER() alpha_mb(); 395 #define DRM_WRITEMEMORYBARRIER() alpha_wmb(); 396 #define DRM_MEMORYBARRIER() alpha_mb(); 397 #elif defined(__amd64__) 398 #define DRM_READMEMORYBARRIER() __asm __volatile( \ 399 "lock; addl $0,0(%%rsp)" : : : "memory"); 400 #define DRM_WRITEMEMORYBARRIER() __asm __volatile("" : : : "memory"); 401 #define DRM_MEMORYBARRIER() __asm __volatile( \ 402 "lock; addl $0,0(%%rsp)" : : : "memory"); 403 #endif 404 405 #ifdef __FreeBSD__ 406 #define DRM_READ8(map, offset) \ 407 *(volatile u_int8_t *) (((unsigned long)(map)->handle) + (offset)) 408 #define DRM_READ16(map, offset) \ 409 *(volatile u_int16_t *) (((unsigned long)(map)->handle) + (offset)) 410 #define DRM_READ32(map, offset) \ 411 *(volatile u_int32_t *)(((unsigned long)(map)->handle) + (offset)) 412 #define DRM_WRITE8(map, offset, val) \ 413 *(volatile u_int8_t *) (((unsigned long)(map)->handle) + (offset)) = val 414 #define DRM_WRITE16(map, offset, val) \ 415 *(volatile u_int16_t *) (((unsigned long)(map)->handle) + (offset)) = val 416 #define DRM_WRITE32(map, offset, val) \ 417 *(volatile u_int32_t *)(((unsigned long)(map)->handle) + (offset)) = val 418 419 #define DRM_VERIFYAREA_READ( uaddr, size ) \ 420 (!useracc(__DECONST(caddr_t, uaddr), size, VM_PROT_READ)) 421 422 #else /* __FreeBSD__ */ 423 424 typedef vaddr_t vm_offset_t; 425 426 #define DRM_READ8(map, offset) \ 427 bus_space_read_1( (map)->bst, (map)->bsh, (offset)) 428 #define DRM_READ16(map, offset) \ 429 bus_space_read_2( (map)->bst, (map)->bsh, (offset)) 430 #define DRM_READ32(map, offset) \ 431 bus_space_read_4( (map)->bst, (map)->bsh, (offset)) 432 #define DRM_WRITE8(map, offset, val) \ 433 bus_space_write_1((map)->bst, (map)->bsh, (offset), (val)) 434 #define DRM_WRITE16(map, offset, val) \ 435 bus_space_write_2((map)->bst, (map)->bsh, (offset), (val)) 436 #define DRM_WRITE32(map, offset, val) \ 437 bus_space_write_4((map)->bst, (map)->bsh, (offset), (val)) 438 439 #define DRM_VERIFYAREA_READ( uaddr, size ) \ 440 (!uvm_map_checkprot(&(curproc->p_vmspace->vm_map), \ 441 (vaddr_t)uaddr, (vaddr_t)uaddr+size, UVM_PROT_READ)) 442 443 #endif /* !__FreeBSD__ */ 444 445 #define DRM_COPY_TO_USER(user, kern, size) \ 446 copyout(kern, user, size) 447 #define DRM_COPY_FROM_USER(kern, user, size) \ 448 copyin(user, kern, size) 449 #define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \ 450 copyin(arg2, arg1, arg3) 451 #define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \ 452 copyout(arg2, arg1, arg3) 453 #if __FreeBSD_version > 500000 454 #define DRM_GET_USER_UNCHECKED(val, uaddr) \ 455 ((val) = fuword32(uaddr), 0) 456 #else 457 #define DRM_GET_USER_UNCHECKED(val, uaddr) \ 458 ((val) = fuword(uaddr), 0) 459 #endif 460 461 #define cpu_to_le32(x) htole32(x) 462 #define le32_to_cpu(x) le32toh(x) 463 464 #define DRM_HZ hz 465 #define DRM_UDELAY(udelay) DELAY(udelay) 466 #define DRM_TIME_SLICE (hz/20) /* Time slice for GLXContexts */ 467 468 #define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \ 469 (_map) = (_dev)->context_sareas[_ctx]; \ 470 } while(0) 471 472 #define LOCK_TEST_WITH_RETURN(dev, file_priv) \ 473 do { \ 474 if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \ 475 dev->lock.file_priv != file_priv) { \ 476 DRM_ERROR("%s called without lock held\n", \ 477 __FUNCTION__); \ 478 return EINVAL; \ 479 } \ 480 } while (0) 481 482 #if defined(__FreeBSD__) && __FreeBSD_version > 500000 483 /* Returns -errno to shared code */ 484 #define DRM_WAIT_ON( ret, queue, timeout, condition ) \ 485 for ( ret = 0 ; !ret && !(condition) ; ) { \ 486 DRM_UNLOCK(); \ 487 mtx_lock(&dev->irq_lock); \ 488 if (!(condition)) \ 489 ret = -mtx_sleep(&(queue), &dev->irq_lock, \ 490 PZERO | PCATCH, "drmwtq", (timeout)); \ 491 mtx_unlock(&dev->irq_lock); \ 492 DRM_LOCK(); \ 493 } 494 #elif defined(__NetBSD__) 495 /* Returns -errno to shared code */ 496 #define DRM_WAIT_ON( ret, queue, timeout, condition ) \ 497 for ( ret = 0 ; !ret && !(condition) ; ) { \ 498 DRM_UNLOCK(); \ 499 mutex_enter(&dev->irq_lock); \ 500 if (!(condition)) \ 501 ret = -mtsleep(&(queue), PZERO | PCATCH, \ 502 "drmwtq", (timeout), &dev->irq_lock); \ 503 mutex_exit(&dev->irq_lock); \ 504 DRM_LOCK(); \ 505 } 506 #else 507 /* Returns -errno to shared code */ 508 #define DRM_WAIT_ON( ret, queue, timeout, condition ) \ 509 for ( ret = 0 ; !ret && !(condition) ; ) { \ 510 int s = spldrm(); \ 511 if (!(condition)) \ 512 ret = -tsleep( &(queue), PZERO | PCATCH, \ 513 "drmwtq", (timeout) ); \ 514 splx(s); \ 515 } 516 #endif 517 518 #define DRM_ERROR(fmt, arg...) \ 519 printf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt, \ 520 DRM_CURRENTPID, __func__ , ## arg) 521 522 #define DRM_INFO(fmt, arg...) printf("info: [" DRM_NAME "] " fmt , ## arg) 523 524 #define DRM_DEBUG(fmt, arg...) do { \ 525 if (drm_debug_flag) \ 526 printf("[" DRM_NAME ":pid%d:%s] " fmt, DRM_CURRENTPID, \ 527 __func__ , ## arg); \ 528 } while (0) 529 530 typedef struct drm_pci_id_list 531 { 532 int vendor; 533 int device; 534 long driver_private; 535 const char *name; 536 } drm_pci_id_list_t; 537 538 #define DRM_AUTH 0x1 539 #define DRM_MASTER 0x2 540 #define DRM_ROOT_ONLY 0x4 541 typedef struct drm_ioctl_desc { 542 unsigned long cmd; 543 int (*func)(struct drm_device *dev, void *data, 544 struct drm_file *file_priv); 545 int flags; 546 } drm_ioctl_desc_t; 547 /** 548 * Creates a driver or general drm_ioctl_desc array entry for the given 549 * ioctl, for use by drm_ioctl(). 550 */ 551 #define DRM_IOCTL_DEF(ioctl, func, flags) \ 552 [DRM_IOCTL_NR(ioctl)] = {ioctl, func, flags} 553 554 typedef struct drm_magic_entry { 555 drm_magic_t magic; 556 struct drm_file *priv; 557 struct drm_magic_entry *next; 558 } drm_magic_entry_t; 559 560 typedef struct drm_magic_head { 561 struct drm_magic_entry *head; 562 struct drm_magic_entry *tail; 563 } drm_magic_head_t; 564 565 typedef struct drm_buf { 566 int idx; /* Index into master buflist */ 567 int total; /* Buffer size */ 568 int order; /* log-base-2(total) */ 569 int used; /* Amount of buffer in use (for DMA) */ 570 unsigned long offset; /* Byte offset (used internally) */ 571 void *address; /* Address of buffer */ 572 unsigned long bus_address; /* Bus address of buffer */ 573 struct drm_buf *next; /* Kernel-only: used for free list */ 574 __volatile__ int pending; /* On hardware DMA queue */ 575 struct drm_file *file_priv; /* Unique identifier of holding process */ 576 int context; /* Kernel queue for this buffer */ 577 enum { 578 DRM_LIST_NONE = 0, 579 DRM_LIST_FREE = 1, 580 DRM_LIST_WAIT = 2, 581 DRM_LIST_PEND = 3, 582 DRM_LIST_PRIO = 4, 583 DRM_LIST_RECLAIM = 5 584 } list; /* Which list we're on */ 585 586 int dev_priv_size; /* Size of buffer private stoarge */ 587 void *dev_private; /* Per-buffer private storage */ 588 } drm_buf_t; 589 590 typedef struct drm_freelist { 591 int initialized; /* Freelist in use */ 592 atomic_t count; /* Number of free buffers */ 593 drm_buf_t *next; /* End pointer */ 594 595 int low_mark; /* Low water mark */ 596 int high_mark; /* High water mark */ 597 } drm_freelist_t; 598 599 typedef struct drm_dma_handle { 600 void *vaddr; 601 bus_addr_t busaddr; 602 #if defined(__FreeBSD__) 603 bus_dma_tag_t tag; 604 bus_dmamap_t map; 605 #elif defined(__NetBSD__) 606 bus_dma_tag_t dmat; 607 bus_dmamap_t map; 608 #define DRM_PCI_DMAADDR(p) ((p)->map->dm_segs[0].ds_addr) 609 bus_dma_segment_t segs[1]; 610 size_t size; 611 void *addr; 612 #endif 613 } drm_dma_handle_t; 614 615 typedef struct drm_buf_entry { 616 int buf_size; 617 int buf_count; 618 drm_buf_t *buflist; 619 int seg_count; 620 drm_dma_handle_t **seglist; 621 int page_order; 622 623 drm_freelist_t freelist; 624 } drm_buf_entry_t; 625 626 typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t; 627 struct drm_file { 628 TAILQ_ENTRY(drm_file) link; 629 int authenticated; 630 int master; 631 int minor; 632 pid_t pid; 633 uid_t uid; 634 int refs; 635 drm_magic_t magic; 636 unsigned long ioctl_count; 637 void *driver_priv; 638 }; 639 640 typedef struct drm_lock_data { 641 drm_hw_lock_t *hw_lock; /* Hardware lock */ 642 struct drm_file *file_priv; /* Unique identifier of holding process (NULL is kernel)*/ 643 int lock_queue; /* Queue of blocked processes */ 644 unsigned long lock_time; /* Time of last lock in jiffies */ 645 } drm_lock_data_t; 646 647 /* This structure, in the struct drm_device, is always initialized while the 648 * device 649 * is open. dev->dma_lock protects the incrementing of dev->buf_use, which 650 * when set marks that no further bufs may be allocated until device teardown 651 * occurs (when the last open of the device has closed). The high/low 652 * watermarks of bufs are only touched by the X Server, and thus not 653 * concurrently accessed, so no locking is needed. 654 */ 655 typedef struct drm_device_dma { 656 drm_buf_entry_t bufs[DRM_MAX_ORDER+1]; 657 int buf_count; 658 drm_buf_t **buflist; /* Vector of pointers info bufs */ 659 int seg_count; 660 int page_count; 661 unsigned long *pagelist; 662 unsigned long byte_count; 663 enum { 664 _DRM_DMA_USE_AGP = 0x01, 665 _DRM_DMA_USE_SG = 0x02 666 } flags; 667 } drm_device_dma_t; 668 669 typedef struct drm_agp_mem { 670 void *handle; 671 unsigned long bound; /* address */ 672 int pages; 673 struct drm_agp_mem *prev; 674 struct drm_agp_mem *next; 675 } drm_agp_mem_t; 676 677 typedef struct drm_agp_head { 678 #ifdef __NetBSD__ 679 void *agpdev; 680 #else 681 device_t agpdev; 682 #endif 683 struct agp_info info; 684 const char *chipset; 685 drm_agp_mem_t *memory; 686 unsigned long mode; 687 int enabled; 688 int acquired; 689 unsigned long base; 690 int mtrr; 691 int cant_use_aperture; 692 unsigned long page_mask; 693 } drm_agp_head_t; 694 695 typedef struct drm_sg_mem { 696 unsigned long handle; 697 void *virtual; 698 int pages; 699 dma_addr_t *busaddr; 700 drm_dma_handle_t *dmah; /* Handle to PCI memory for ATI PCIGART table */ 701 } drm_sg_mem_t; 702 703 typedef TAILQ_HEAD(drm_map_list, drm_local_map) drm_map_list_t; 704 705 typedef struct drm_local_map { 706 unsigned long offset; /* Physical address (0 for SAREA)*/ 707 unsigned long size; /* Physical size (bytes) */ 708 drm_map_type_t type; /* Type of memory mapped */ 709 drm_map_flags_t flags; /* Flags */ 710 void *handle; /* User-space: "Handle" to pass to mmap */ 711 /* Kernel-space: kernel-virtual address */ 712 int mtrr; /* Boolean: MTRR used */ 713 /* Private data */ 714 int rid; /* PCI resource ID for bus_space */ 715 #ifdef __FreeBSD__ 716 struct resource *bsr; 717 #endif 718 bus_space_tag_t bst; 719 bus_space_handle_t bsh; 720 drm_dma_handle_t *dmah; 721 #ifdef __NetBSD__ 722 int *cnt; 723 bus_size_t mapsize; 724 #endif 725 TAILQ_ENTRY(drm_local_map) link; 726 } drm_local_map_t; 727 728 TAILQ_HEAD(drm_vbl_sig_list, drm_vbl_sig); 729 typedef struct drm_vbl_sig { 730 TAILQ_ENTRY(drm_vbl_sig) link; 731 unsigned int sequence; 732 int signo; 733 int pid; 734 } drm_vbl_sig_t; 735 736 /* location of GART table */ 737 #define DRM_ATI_GART_MAIN 1 738 #define DRM_ATI_GART_FB 2 739 740 #define DRM_ATI_GART_PCI 1 741 #define DRM_ATI_GART_PCIE 2 742 #define DRM_ATI_GART_IGP 3 743 744 struct drm_ati_pcigart_info { 745 int gart_table_location; 746 int gart_reg_if; 747 void *addr; 748 dma_addr_t bus_addr; 749 dma_addr_t table_mask; 750 dma_addr_t member_mask; 751 struct drm_dma_handle *table_handle; 752 drm_local_map_t mapping; 753 int table_size; 754 }; 755 756 #ifndef DMA_BIT_MASK 757 #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : (1ULL<<(n)) - 1) 758 #endif 759 760 #define upper_32_bits(_val) (((u64)(_val)) >> 32) 761 762 struct drm_driver_info { 763 int (*load)(struct drm_device *, unsigned long flags); 764 int (*firstopen)(struct drm_device *); 765 int (*open)(struct drm_device *, drm_file_t *); 766 void (*preclose)(struct drm_device *, struct drm_file *file_priv); 767 void (*postclose)(struct drm_device *, drm_file_t *); 768 void (*lastclose)(struct drm_device *); 769 int (*unload)(struct drm_device *); 770 void (*reclaim_buffers_locked)(struct drm_device *, 771 struct drm_file *file_priv); 772 int (*dma_ioctl)(struct drm_device *dev, void *data, 773 struct drm_file *file_priv); 774 void (*dma_ready)(struct drm_device *); 775 int (*dma_quiescent)(struct drm_device *); 776 int (*dma_flush_block_and_flush)(struct drm_device *, int context, 777 drm_lock_flags_t flags); 778 int (*dma_flush_unblock)(struct drm_device *, int context, 779 drm_lock_flags_t flags); 780 int (*context_ctor)(struct drm_device *dev, int context); 781 int (*context_dtor)(struct drm_device *dev, int context); 782 int (*kernel_context_switch)(struct drm_device *dev, int old, 783 int new); 784 int (*kernel_context_switch_unlock)(struct drm_device *dev); 785 void (*irq_preinstall)(struct drm_device *dev); 786 int (*irq_postinstall)(struct drm_device *dev); 787 void (*irq_uninstall)(struct drm_device *dev); 788 irqreturn_t (*irq_handler)(DRM_IRQ_ARGS); 789 u32 (*get_vblank_counter)(struct drm_device *dev, int crtc); 790 int (*enable_vblank)(struct drm_device *dev, int crtc); 791 void (*disable_vblank)(struct drm_device *dev, int crtc); 792 793 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ 794 795 /** 796 * Called by \c drm_device_is_agp. Typically used to determine if a 797 * card is really attached to AGP or not. 798 * 799 * \param dev DRM device handle 800 * 801 * \returns 802 * One of three values is returned depending on whether or not the 803 * card is absolutely \b not AGP (return of 0), absolutely \b is AGP 804 * (return of 1), or may or may not be AGP (return of 2). 805 */ 806 int (*device_is_agp) (struct drm_device * dev); 807 808 drm_ioctl_desc_t *ioctls; 809 int max_ioctl; 810 811 int buf_priv_size; 812 813 int major; 814 int minor; 815 int patchlevel; 816 const char *name; /* Simple driver name */ 817 const char *desc; /* Longer driver name */ 818 const char *date; /* Date of last major changes. */ 819 820 unsigned use_agp :1; 821 unsigned require_agp :1; 822 unsigned use_sg :1; 823 unsigned use_dma :1; 824 unsigned use_pci_dma :1; 825 unsigned use_dma_queue :1; 826 unsigned use_irq :1; 827 unsigned use_vbl_irq :1; 828 unsigned use_vbl_irq2 :1; 829 unsigned use_mtrr :1; 830 }; 831 832 /* Length for the array of resource pointers for drm_get_resource_*. */ 833 #define DRM_MAX_PCI_RESOURCE 3 834 835 #if defined(__NetBSD__) || defined(__OpenBSD__) 836 typedef struct { 837 int mapped; 838 int maptype; 839 bus_addr_t base; 840 bus_size_t size; 841 bus_space_handle_t bsh; 842 int flags; 843 void * vaddr; 844 } pci_map_data_t; 845 #endif 846 847 /** 848 * DRM device functions structure 849 */ 850 struct drm_device { 851 #if defined(__NetBSD__) || defined(__OpenBSD__) 852 struct device device; /* softc is an extension of struct device */ 853 #endif 854 855 struct drm_driver_info driver; 856 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ 857 858 u_int16_t pci_device; /* PCI device id */ 859 u_int16_t pci_vendor; /* PCI vendor id */ 860 861 char *unique; /* Unique identifier: e.g., busid */ 862 int unique_len; /* Length of unique field */ 863 #ifdef __FreeBSD__ 864 device_t device; /* Device instance from newbus */ 865 struct cdev *devnode; /* Device number for mknod */ 866 #endif 867 int if_version; /* Highest interface version set */ 868 869 int flags; /* Flags to open(2) */ 870 871 /* Locks */ 872 #if defined(__FreeBSD__) && __FreeBSD_version > 500000 873 struct mtx vbl_lock; /* protects vblank operations */ 874 struct mtx dma_lock; /* protects dev->dma */ 875 struct mtx irq_lock; /* protects irq condition checks */ 876 struct mtx dev_lock; /* protects everything else */ 877 #elif defined(__NetBSD__) 878 DRM_SPINTYPE vbl_lock; /* protects vblank operations */ 879 DRM_SPINTYPE dma_lock; /* protects dev->dma */ 880 DRM_SPINTYPE irq_lock; /* protects irq condition checks */ 881 DRM_SPINTYPE dev_lock; /* protects everything else */ 882 #endif 883 DRM_SPINTYPE drw_lock; 884 DRM_SPINTYPE tsk_lock; 885 886 /* Usage Counters */ 887 int open_count; /* Outstanding files open */ 888 int buf_use; /* Buffers in use -- cannot alloc */ 889 890 /* Performance counters */ 891 unsigned long counters; 892 drm_stat_type_t types[15]; 893 atomic_t counts[15]; 894 895 /* Authentication */ 896 drm_file_list_t files; 897 drm_magic_head_t magiclist[DRM_HASH_SIZE]; 898 899 /* Linked list of mappable regions. Protected by dev_lock */ 900 drm_map_list_t maplist; 901 902 drm_local_map_t **context_sareas; 903 int max_context; 904 905 drm_lock_data_t lock; /* Information on hardware lock */ 906 907 /* DMA queues (contexts) */ 908 drm_device_dma_t *dma; /* Optional pointer for DMA support */ 909 910 /* Context support */ 911 int irq; /* Interrupt used by board */ 912 int irq_enabled; /* True if the irq handler is enabled */ 913 #ifdef __FreeBSD__ 914 int irqrid; /* Interrupt used by board */ 915 struct resource *irqr; /* Resource for interrupt used by board */ 916 917 /* Storage of resource pointers for drm_get_resource_* */ 918 struct resource *pcir[DRM_MAX_PCI_RESOURCE]; 919 int pcirid[DRM_MAX_PCI_RESOURCE]; 920 921 #elif defined(__NetBSD__) || defined(__OpenBSD__) 922 struct pci_attach_args pa; 923 pci_map_data_t pci_map_data[DRM_MAX_PCI_RESOURCE]; 924 pci_map_data_t agp_map_data[DRM_MAX_PCI_RESOURCE]; 925 int unit; /* drm unit number */ 926 DRM_CDEV kdev; 927 #endif 928 void *irqh; /* Handle from bus_setup_intr */ 929 930 int pci_domain; 931 int pci_bus; 932 int pci_slot; 933 int pci_func; 934 935 atomic_t context_flag; /* Context swapping flag */ 936 int last_context; /* Last current context */ 937 int vblank_disable_allowed; 938 wait_queue_head_t *vbl_queue; /* vblank wait queue */ 939 atomic_t *_vblank_count; /* number of VBLANK interrupts */ 940 /* (driver must alloc the right number of counters) */ 941 struct drm_vbl_sig_list *vbl_sigs; /* signal list to send on VBLANK */ 942 atomic_t vbl_signal_pending; /* number of signals pending on all crtcs*/ 943 atomic_t *vblank_refcount; /* number of users of vblank interrupts per crtc */ 944 u32 *last_vblank; /* protected by dev->vbl_lock, used */ 945 /* for wraparound handling */ 946 int *vblank_enabled; /* so we don't call enable more than */ 947 /* once per disable */ 948 u32 *vblank_premodeset; /* for compensation of spurious wraparounds */ 949 int *vblank_suspend; /* Don't wait while crtc is likely disabled */ 950 struct callout vblank_disable_timer; 951 u32 max_vblank_count; /* size of vblank counter register */ 952 int num_crtcs; 953 954 #ifdef __FreeBSD__ 955 struct sigio *buf_sigio; /* Processes waiting for SIGIO */ 956 #elif defined(__NetBSD__) 957 pid_t buf_pgid; 958 #endif 959 960 /* Sysctl support */ 961 struct drm_sysctl_info *sysctl; 962 963 drm_agp_head_t *agp; 964 drm_sg_mem_t *sg; /* Scatter gather memory */ 965 atomic_t *ctx_bitmap; 966 void *dev_private; 967 unsigned int agp_buffer_token; 968 drm_local_map_t *agp_buffer_map; 969 970 #ifdef __FreeBSD__ 971 struct unrhdr *drw_unrhdr; 972 #else 973 int drw_no; 974 #endif 975 /* RB tree of drawable infos */ 976 RB_HEAD(drawable_tree, bsd_drm_drawable_info) drw_head; 977 978 #ifdef __FreeBSD__ 979 struct task locked_task; 980 #endif 981 #ifdef __NetBSD__ 982 struct workqueue *locked_task; 983 #endif 984 void (*locked_task_call)(struct drm_device *dev); 985 }; 986 987 extern int drm_debug_flag; 988 989 /* Device setup support (drm_drv.c) */ 990 #ifdef __FreeBSD__ 991 int drm_probe(device_t nbdev, drm_pci_id_list_t *idlist); 992 int drm_attach(device_t nbdev, drm_pci_id_list_t *idlist); 993 int drm_detach(device_t nbdev); 994 d_ioctl_t drm_ioctl; 995 d_open_t drm_open; 996 d_close_t drm_close; 997 d_read_t drm_read; 998 d_poll_t drm_poll; 999 d_mmap_t drm_mmap; 1000 #elif defined(__NetBSD__) || defined(__OpenBSD__) 1001 int drm_probe(struct pci_attach_args *pa, drm_pci_id_list_t *idlist); 1002 void drm_attach(struct device *kdev, struct pci_attach_args *pa, drm_pci_id_list_t *idlist); 1003 #if defined(__NetBSD__) 1004 int drm_detach(struct device *self, int flags); 1005 int drm_activate(struct device *self, enum devact act); 1006 #endif 1007 dev_type_ioctl(drm_ioctl); 1008 dev_type_open(drm_open); 1009 dev_type_close(drm_close); 1010 dev_type_read(drm_read); 1011 dev_type_poll(drm_poll); 1012 dev_type_mmap(drm_mmap); 1013 #endif 1014 extern drm_local_map_t *drm_getsarea(struct drm_device *dev); 1015 1016 int drm_close_pid(drm_device_t *dev, drm_file_t *priv, pid_t pid); 1017 1018 /* File operations helpers (drm_fops.c) */ 1019 #ifdef __FreeBSD__ 1020 extern int drm_open_helper(struct cdev *kdev, int flags, int fmt, 1021 DRM_STRUCTPROC *p, 1022 struct drm_device *dev); 1023 extern drm_file_t *drm_find_file_by_proc(struct drm_device *dev, 1024 DRM_STRUCTPROC *p); 1025 #elif defined(__NetBSD__) || defined(__OpenBSD__) 1026 extern int drm_open_helper(DRM_CDEV kdev, int flags, int fmt, 1027 DRM_STRUCTPROC *p, drm_device_t *dev); 1028 extern drm_file_t *drm_find_file_by_proc(struct drm_device *dev, 1029 DRM_STRUCTPROC *p); 1030 #endif /* __NetBSD__ || __OpenBSD__ */ 1031 1032 /* Memory management support (drm_memory.c) */ 1033 void drm_mem_init(void); 1034 void drm_mem_uninit(void); 1035 void *drm_alloc(size_t size, int area); 1036 void *drm_calloc(size_t nmemb, size_t size, int area); 1037 void *drm_realloc(void *oldpt, size_t oldsize, size_t size, 1038 int area); 1039 void drm_free(void *pt, size_t size, int area); 1040 void *drm_ioremap(struct drm_device *dev, drm_local_map_t *map); 1041 void drm_ioremapfree(drm_local_map_t *map); 1042 #ifdef __FreeBSD__ 1043 int drm_mtrr_add(unsigned long offset, size_t size, int flags); 1044 int drm_mtrr_del(int handle, unsigned long offset, size_t size, int flags); 1045 #else 1046 #ifndef DRM_NO_MTRR 1047 int drm_mtrr_add(unsigned long offset, size_t size, int flags); 1048 int drm_mtrr_del(unsigned long offset, size_t size, int flags); 1049 #endif 1050 #endif /* !__FreeBSD__ */ 1051 1052 int drm_context_switch(struct drm_device *dev, int old, int new); 1053 int drm_context_switch_complete(struct drm_device *dev, int new); 1054 1055 int drm_ctxbitmap_init(struct drm_device *dev); 1056 void drm_ctxbitmap_cleanup(struct drm_device *dev); 1057 void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle); 1058 int drm_ctxbitmap_next(struct drm_device *dev); 1059 1060 /* Locking IOCTL support (drm_lock.c) */ 1061 int drm_lock_take(__volatile__ unsigned int *lock, 1062 unsigned int context); 1063 int drm_lock_transfer(struct drm_device *dev, 1064 __volatile__ unsigned int *lock, 1065 unsigned int context); 1066 int drm_lock_free(struct drm_device *dev, 1067 __volatile__ unsigned int *lock, 1068 unsigned int context); 1069 1070 /* Buffer management support (drm_bufs.c) */ 1071 unsigned long drm_get_resource_start(struct drm_device *dev, 1072 unsigned int resource); 1073 unsigned long drm_get_resource_len(struct drm_device *dev, 1074 unsigned int resource); 1075 void drm_rmmap(struct drm_device *dev, drm_local_map_t *map); 1076 int drm_order(unsigned long size); 1077 int drm_addmap(struct drm_device *dev, unsigned long offset, 1078 unsigned long size, 1079 drm_map_type_t type, drm_map_flags_t flags, 1080 drm_local_map_t **map_ptr); 1081 int drm_addbufs_pci(struct drm_device *dev, drm_buf_desc_t *request); 1082 int drm_addbufs_sg(struct drm_device *dev, drm_buf_desc_t *request); 1083 int drm_addbufs_agp(struct drm_device *dev, drm_buf_desc_t *request); 1084 1085 /* DMA support (drm_dma.c) */ 1086 int drm_dma_setup(struct drm_device *dev); 1087 void drm_dma_takedown(struct drm_device *dev); 1088 void drm_free_buffer(struct drm_device *dev, drm_buf_t *buf); 1089 void drm_reclaim_buffers(struct drm_device *dev, struct drm_file *file_priv); 1090 #define drm_core_reclaim_buffers drm_reclaim_buffers 1091 1092 /* IRQ support (drm_irq.c) */ 1093 int drm_irq_install(struct drm_device *dev); 1094 int drm_irq_uninstall(struct drm_device *dev); 1095 irqreturn_t drm_irq_handler(DRM_IRQ_ARGS); 1096 void drm_driver_irq_preinstall(struct drm_device *dev); 1097 void drm_driver_irq_postinstall(struct drm_device *dev); 1098 void drm_driver_irq_uninstall(struct drm_device *dev); 1099 void drm_handle_vblank(struct drm_device *dev, int crtc); 1100 u32 drm_vblank_count(struct drm_device *dev, int crtc); 1101 int drm_vblank_get(struct drm_device *dev, int crtc); 1102 void drm_vblank_put(struct drm_device *dev, int crtc); 1103 void drm_update_vblank_count(struct drm_device *dev, int crtc); 1104 int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq); 1105 int drm_vblank_init(struct drm_device *dev, int num_crtcs); 1106 void drm_vbl_send_signals(struct drm_device *dev, int crtc); 1107 int drm_modeset_ctl(struct drm_device *dev, void *data, 1108 struct drm_file *file_priv); 1109 1110 /* AGP/PCI Express/GART support (drm_agpsupport.c) */ 1111 int drm_device_is_agp(struct drm_device *dev); 1112 int drm_device_is_pcie(struct drm_device *dev); 1113 #ifdef __NetBSD__ 1114 drm_agp_head_t *drm_agp_init(drm_device_t *dev); 1115 #else 1116 drm_agp_head_t *drm_agp_init(void); 1117 #endif 1118 int drm_agp_acquire(struct drm_device *dev); 1119 int drm_agp_release(struct drm_device *dev); 1120 int drm_agp_info(struct drm_device * dev, drm_agp_info_t *info); 1121 int drm_agp_enable(struct drm_device *dev, drm_agp_mode_t mode); 1122 void *drm_agp_allocate_memory(size_t pages, u32 type); 1123 int drm_agp_free_memory(void *handle); 1124 int drm_agp_bind_memory(void *handle, off_t start); 1125 int drm_agp_unbind_memory(void *handle); 1126 int drm_agp_alloc(struct drm_device *dev, drm_agp_buffer_t *request); 1127 int drm_agp_free(struct drm_device *dev, drm_agp_buffer_t *request); 1128 int drm_agp_bind(struct drm_device *dev, drm_agp_binding_t *request); 1129 int drm_agp_unbind(struct drm_device *dev, drm_agp_binding_t *request); 1130 1131 /* Scatter Gather Support (drm_scatter.c) */ 1132 void drm_sg_cleanup(drm_sg_mem_t *entry); 1133 int drm_sg_alloc(struct drm_device *dev, drm_scatter_gather_t * request); 1134 1135 #if defined(__FreeBSD__) || defined(__NetBSD__) 1136 /* sysctl support (drm_sysctl.h) */ 1137 extern int drm_sysctl_init(struct drm_device *dev); 1138 extern int drm_sysctl_cleanup(struct drm_device *dev); 1139 #endif /* __FreeBSD__ */ 1140 1141 /* ATI PCIGART support (ati_pcigart.c) */ 1142 int drm_ati_pcigart_init(struct drm_device *dev, 1143 struct drm_ati_pcigart_info *gart_info); 1144 int drm_ati_pcigart_cleanup(struct drm_device *dev, 1145 struct drm_ati_pcigart_info *gart_info); 1146 1147 /* Locking IOCTL support (drm_drv.c) */ 1148 int drm_lock(struct drm_device *dev, void *data, 1149 struct drm_file *file_priv); 1150 int drm_unlock(struct drm_device *dev, void *data, 1151 struct drm_file *file_priv); 1152 int drm_version(struct drm_device *dev, void *data, 1153 struct drm_file *file_priv); 1154 int drm_setversion(struct drm_device *dev, void *data, 1155 struct drm_file *file_priv); 1156 1157 /* Misc. IOCTL support (drm_ioctl.c) */ 1158 int drm_irq_by_busid(struct drm_device *dev, void *data, 1159 struct drm_file *file_priv); 1160 int drm_getunique(struct drm_device *dev, void *data, 1161 struct drm_file *file_priv); 1162 int drm_setunique(struct drm_device *dev, void *data, 1163 struct drm_file *file_priv); 1164 int drm_getmap(struct drm_device *dev, void *data, 1165 struct drm_file *file_priv); 1166 int drm_getclient(struct drm_device *dev, void *data, 1167 struct drm_file *file_priv); 1168 int drm_getstats(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 /* Authentication IOCTL support (drm_auth.c) */ 1204 int drm_getmagic(struct drm_device *dev, void *data, 1205 struct drm_file *file_priv); 1206 int drm_authmagic(struct drm_device *dev, void *data, 1207 struct drm_file *file_priv); 1208 1209 /* Buffer management support (drm_bufs.c) */ 1210 int drm_addmap_ioctl(struct drm_device *dev, void *data, 1211 struct drm_file *file_priv); 1212 int drm_rmmap_ioctl(struct drm_device *dev, void *data, 1213 struct drm_file *file_priv); 1214 int drm_addbufs_ioctl(struct drm_device *dev, void *data, 1215 struct drm_file *file_priv); 1216 int drm_infobufs(struct drm_device *dev, void *data, 1217 struct drm_file *file_priv); 1218 int drm_markbufs(struct drm_device *dev, void *data, 1219 struct drm_file *file_priv); 1220 int drm_freebufs(struct drm_device *dev, void *data, 1221 struct drm_file *file_priv); 1222 int drm_mapbufs(struct drm_device *dev, void *data, 1223 struct drm_file *file_priv); 1224 1225 /* DMA support (drm_dma.c) */ 1226 int drm_dma(struct drm_device *dev, void *data, struct drm_file *file_priv); 1227 1228 /* IRQ support (drm_irq.c) */ 1229 int drm_control(struct drm_device *dev, void *data, struct drm_file *file_priv); 1230 int drm_wait_vblank(struct drm_device *dev, void *data, 1231 struct drm_file *file_priv); 1232 void drm_locked_tasklet(struct drm_device *dev, 1233 void (*tasklet)(struct drm_device *dev)); 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 /* Scatter Gather Support (drm_scatter.c) */ 1254 int drm_sg_alloc_ioctl(struct drm_device *dev, void *data, 1255 struct drm_file *file_priv); 1256 int drm_sg_free(struct drm_device *dev, void *data, 1257 struct drm_file *file_priv); 1258 1259 /* consistent PCI memory functions (drm_pci.c) */ 1260 drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size, 1261 size_t align, dma_addr_t maxaddr); 1262 void drm_pci_free(struct drm_device *dev, drm_dma_handle_t *dmah); 1263 1264 #define drm_core_ioremap_wc drm_core_ioremap 1265 1266 /* Inline replacements for DRM_IOREMAP macros */ 1267 static __inline__ void 1268 drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev) 1269 { 1270 map->handle = drm_ioremap(dev, map); 1271 } 1272 static __inline__ void 1273 drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev) 1274 { 1275 if ( map->handle && map->size ) 1276 drm_ioremapfree(map); 1277 } 1278 1279 static __inline__ struct drm_local_map * 1280 drm_core_findmap(struct drm_device *dev, unsigned long offset) 1281 { 1282 drm_local_map_t *map; 1283 1284 DRM_SPINLOCK_ASSERT(&dev->dev_lock); 1285 TAILQ_FOREACH(map, &dev->maplist, link) { 1286 if (map->offset == offset) 1287 return map; 1288 } 1289 return NULL; 1290 } 1291 1292 static __inline__ void drm_core_dropmap(struct drm_map *map) 1293 { 1294 } 1295 1296 #endif /* __KERNEL__ */ 1297 #endif /* _DRM_P_H_ */ 1298
Indexes created Thu Oct 02 14:10:14 GMT 2025