drmP.h revision 1.3
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 <uvm/uvm.h> 120 #include <dev/pci/pcireg.h> 121 #include <dev/pci/pcivar.h> 122 #include <dev/pci/agpvar.h> 123 #elif defined(__OpenBSD__) 124 #include <sys/lkm.h> 125 #include <uvm/uvm.h> 126 #endif 127 128 #include "drm.h" 129 #include "drm_linux_list.h" 130 #include "drm_atomic.h" 131 #include "drm_internal.h" 132 133 #ifdef __FreeBSD__ 134 #include <opt_drm.h> 135 #endif 136 137 #ifdef DRM_DEBUG 138 #undef DRM_DEBUG 139 #define DRM_DEBUG_DEFAULT_ON 1 140 #endif /* DRM_DEBUG */ 141 142 #ifdef __FreeBSD__ 143 #define DRM_KASSERT(x,y) KASSERT(x,y) 144 #else 145 #define DRM_KASSERT(x,y) KASSERT(x) 146 #define device_get_softc(x) device_private(x) 147 #define callout_deactivate(x) callout_stop(x) 148 #define callout_drain(x) callout_stop(x) 149 #endif 150 151 #if defined(DRM_LINUX) && DRM_LINUX && !defined(__amd64__) 152 #include <sys/file.h> 153 #include <sys/proc.h> 154 #include <machine/../linux/linux.h> 155 #include <machine/../linux/linux_proto.h> 156 #else 157 /* Either it was defined when it shouldn't be (FreeBSD amd64) or it isn't 158 * supported on this OS yet. 159 */ 160 #undef DRM_LINUX 161 #define DRM_LINUX 0 162 #endif 163 164 #define DRM_HASH_SIZE 16 /* Size of key hash table */ 165 #define DRM_KERNEL_CONTEXT 0 /* Change drm_resctx if changed */ 166 #define DRM_RESERVED_CONTEXTS 1 /* Change drm_resctx if changed */ 167 168 #define DRM_MEM_DMA 0 169 #define DRM_MEM_SAREA 1 170 #define DRM_MEM_DRIVER 2 171 #define DRM_MEM_MAGIC 3 172 #define DRM_MEM_IOCTLS 4 173 #define DRM_MEM_MAPS 5 174 #define DRM_MEM_BUFS 6 175 #define DRM_MEM_SEGS 7 176 #define DRM_MEM_PAGES 8 177 #define DRM_MEM_FILES 9 178 #define DRM_MEM_QUEUES 10 179 #define DRM_MEM_CMDS 11 180 #define DRM_MEM_MAPPINGS 12 181 #define DRM_MEM_BUFLISTS 13 182 #define DRM_MEM_AGPLISTS 14 183 #define DRM_MEM_TOTALAGP 15 184 #define DRM_MEM_BOUNDAGP 16 185 #define DRM_MEM_CTXBITMAP 17 186 #define DRM_MEM_STUB 18 187 #define DRM_MEM_SGLISTS 19 188 #define DRM_MEM_DRAWABLE 20 189 190 #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) 191 192 /* Internal types and structures */ 193 #define DRM_ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) 194 #define DRM_MIN(a,b) ((a)<(b)?(a):(b)) 195 #define DRM_MAX(a,b) ((a)>(b)?(a):(b)) 196 197 #define DRM_IF_VERSION(maj, min) (maj << 16 | min) 198 199 MALLOC_DECLARE(M_DRM); 200 201 #define __OS_HAS_AGP 1 202 203 #define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP) 204 #define DRM_DEV_UID 0 205 #define DRM_DEV_GID 0 206 207 #define wait_queue_head_t atomic_t 208 #define DRM_WAKEUP(w) wakeup((void *)w) 209 #define DRM_WAKEUP_INT(w) wakeup(w) 210 #define DRM_INIT_WAITQUEUE(queue) do {(void)(queue);} while (0) 211 212 #if defined(__FreeBSD__) && __FreeBSD_version < 502109 213 #define bus_alloc_resource_any(dev, type, rid, flags) \ 214 bus_alloc_resource(dev, type, rid, 0ul, ~0ul, 1, flags) 215 #endif 216 217 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000 218 #define DRM_CDEV struct cdev * 219 #define DRM_CURPROC curthread 220 #define DRM_STRUCTPROC struct thread 221 #define DRM_STRUCTCDEVPROC struct thread 222 #define DRM_CDEVPROC_REAL(p) (p) 223 #define DRM_IOCTL_DATA caddr_t 224 #define DRM_SPINTYPE struct mtx 225 #define DRM_SPININIT(l,name) mtx_init(l, name, NULL, MTX_DEF) 226 #define DRM_SPINUNINIT(l) mtx_destroy(l) 227 #define DRM_SPINLOCK(l) mtx_lock(l) 228 #define DRM_SPINUNLOCK(u) mtx_unlock(u) 229 #define DRM_SPINLOCK_IRQSAVE(l, irqflags) do { \ 230 mtx_lock(l); \ 231 (void)irqflags; \ 232 } while (0) 233 #define DRM_SPINUNLOCK_IRQRESTORE(u, irqflags) mtx_unlock(u) 234 #define DRM_SPINLOCK_ASSERT(l) mtx_assert(l, MA_OWNED) 235 #define DRM_CURRENTPID curthread->td_proc->p_pid 236 #define DRM_LOCK() mtx_lock(&dev->dev_lock) 237 #define DRM_UNLOCK() mtx_unlock(&dev->dev_lock) 238 #define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS) 239 #else /* __FreeBSD__ && __FreeBSD_version >= 500000 */ 240 #ifdef __NetBSD__ 241 #define DRM_CDEV dev_t 242 #define DRM_CURPROC curproc 243 #define DRM_STRUCTPROC struct proc 244 #define DRM_STRUCTCDEVPROC struct lwp 245 #define DRM_CDEVPROC_REAL(l) (l)->l_proc 246 #define DRM_IOCTL_DATA void * 247 #define DRM_SPINTYPE kmutex_t 248 #define DRM_SPININIT(l,name) mutex_init(l, MUTEX_DEFAULT, IPL_NONE) 249 #define DRM_SPINUNINIT(l) mutex_destroy(l) 250 #define DRM_SPINLOCK(l) mutex_enter(l) 251 #define DRM_SPINUNLOCK(u) mutex_exit(u) 252 #define DRM_SPINLOCK_ASSERT(l) mutex_owned(l) 253 #define DRM_LOCK() DRM_SPINLOCK(&dev->dev_lock) 254 #define DRM_UNLOCK() DRM_SPINUNLOCK(&dev->dev_lock) 255 #define DRM_CURRENTPID curproc->p_pid 256 #define DRM_SYSCTL_HANDLER_ARGS (SYSCTLFN_ARGS) 257 #define DRM_SPINLOCK_IRQSAVE(l, irqflags) do { \ 258 mutex_enter(l); \ 259 (void)irqflags; \ 260 } while (0) 261 #define DRM_SPINUNLOCK_IRQRESTORE(u, irqflags) mutex_exit(u) 262 #else /* __NetBSD__ */ 263 #define DRM_CURPROC curproc 264 #define DRM_STRUCTPROC struct proc 265 #define DRM_SPINTYPE struct simplelock 266 #define DRM_SPININIT(l,name) 267 #define DRM_SPINUNINIT(l) 268 #define DRM_SPINLOCK(l) 269 #define DRM_SPINUNLOCK(u) 270 #define DRM_SPINLOCK_ASSERT(l) 271 #define DRM_CURRENTPID curproc->p_pid 272 #define DRM_LOCK() 273 #define DRM_UNLOCK() 274 #define DRM_SYSCTL_HANDLER_ARGS SYSCTL_HANDLER_ARGS 275 #define spldrm() spltty() 276 #endif /* __OpenBSD__ */ 277 #endif 278 279 #define DRM_IRQ_ARGS void *arg 280 #ifdef __FreeBSD__ 281 typedef void irqreturn_t; 282 #define IRQ_HANDLED /* nothing */ 283 #define IRQ_NONE /* nothing */ 284 #elif defined(__NetBSD__) 285 typedef int irqreturn_t; 286 #define IRQ_HANDLED 0 287 #define IRQ_NONE 0 288 #endif 289 290 enum { 291 DRM_IS_NOT_AGP, 292 DRM_IS_AGP, 293 DRM_MIGHT_BE_AGP 294 }; 295 #define DRM_AGP_MEM struct agp_memory_info 296 297 #if defined(__FreeBSD__) 298 #define drm_get_device_from_kdev(_kdev) (_kdev->si_drv1) 299 #elif defined(__NetBSD__) 300 #define drm_get_device_from_kdev(_kdev) (minor(_kdev) < DRM_MAXUNITS) ? \ 301 drm_units[minor(_kdev)] : NULL 302 #elif defined(__OpenBSD__) 303 #define drm_get_device_from_kdev(_kdev) device_lookup(&drm_cd, \ 304 minor(_kdev)))->dv_cfdata->cf_driver->cd_devs[minor(_kdev)] 305 #endif 306 307 #if defined(__FreeBSD__) 308 #define PAGE_ALIGN(addr) round_page(addr) 309 /* DRM_SUSER returns true if the user is superuser */ 310 #if __FreeBSD_version >= 700000 311 #define DRM_SUSER(p) (priv_check(p, PRIV_DRIVER) == 0) 312 #else 313 #define DRM_SUSER(p) (suser(p) == 0) 314 #endif 315 #define DRM_AGP_FIND_DEVICE() agp_find_device() 316 #define DRM_MTRR_WC MDF_WRITECOMBINE 317 #define jiffies ticks 318 319 #else /* __FreeBSD__ */ 320 321 #define CDEV_MAJOR 34 322 #define PAGE_ALIGN(addr) (((addr) + PAGE_SIZE - 1) & PAGE_MASK) 323 /* DRM_SUSER returns true if the user is superuser */ 324 #if defined(__NetBSD__) 325 #define DRM_SUSER(p) (kauth_cred_getsvuid((p)->p_cred) == 0) 326 #define DRM_MAXUNITS 128 327 extern drm_device_t *drm_units[]; 328 #define DRM_MTRR_WC MTRR_TYPE_WC 329 #define jiffies hardclock_ticks 330 #ifdef __x86_64__ 331 #define DRM_NETBSD_ADDR2HANDLE(addr) (addr & 0x7fffffffffffffff) 332 #define DRM_NETBSD_HANDLE2ADDR(handle) (handle | 0x8000000000000000) 333 #else 334 #define DRM_NETBSD_ADDR2HANDLE(addr) (addr) 335 #define DRM_NETBSD_HANDLE2ADDR(handle) (handle) 336 #endif 337 #elif defined(__OpenBSD__) 338 #define DRM_SUSER(p) (suser(p->p_ucred, &p->p_acflag) == 0) 339 #define DRM_MTRR_WC MTRR_TYPE_WC 340 #define jiffies ticks 341 #endif 342 343 #ifdef DRM_NO_AGP 344 #define DRM_AGP_FIND_DEVICE() 0 345 #else 346 #define DRM_AGP_FIND_DEVICE() agp_find_device(0) 347 #endif 348 349 #if !defined(__NetBSD__) 350 typedef struct drm_device *device_t; 351 #endif 352 353 extern struct cfdriver drm_cd; 354 355 #endif /* !__FreeBSD__ */ 356 357 /* Capabilities taken from src/sys/dev/pci/pcireg.h. */ 358 #ifndef PCIY_AGP 359 #define PCIY_AGP 0x02 360 #endif 361 362 #ifndef PCIY_EXPRESS 363 #define PCIY_EXPRESS 0x10 364 #endif 365 366 typedef unsigned long dma_addr_t; 367 typedef u_int64_t u64; 368 typedef u_int32_t u32; 369 typedef u_int16_t u16; 370 typedef u_int8_t u8; 371 372 /* DRM_READMEMORYBARRIER() prevents reordering of reads. 373 * DRM_WRITEMEMORYBARRIER() prevents reordering of writes. 374 * DRM_MEMORYBARRIER() prevents reordering of reads and writes. 375 */ 376 377 /* XXX TODO: change to bus_space_barrier(9), as certain architectures 378 might need them--not to mention that MD cruft is ugly. I just 379 didn't feel like writing the macros right now. The use of mb(9) 380 below should be enough for x86, perhaps others. */ 381 382 #if defined(__NetBSD__) 383 #define DRM_READMEMORYBARRIER() membar_consumer() 384 #define DRM_WRITEMEMORYBARRIER() membar_producer() 385 #define DRM_MEMORYBARRIER() membar_sync() 386 #elif defined(__i386__) 387 #define DRM_READMEMORYBARRIER() __asm __volatile( \ 388 "lock; addl $0,0(%%esp)" : : : "memory"); 389 #define DRM_WRITEMEMORYBARRIER() __asm __volatile("" : : : "memory"); 390 #define DRM_MEMORYBARRIER() __asm __volatile( \ 391 "lock; addl $0,0(%%esp)" : : : "memory"); 392 #elif defined(__alpha__) 393 #define DRM_READMEMORYBARRIER() alpha_mb(); 394 #define DRM_WRITEMEMORYBARRIER() alpha_wmb(); 395 #define DRM_MEMORYBARRIER() alpha_mb(); 396 #elif defined(__amd64__) 397 #define DRM_READMEMORYBARRIER() __asm __volatile( \ 398 "lock; addl $0,0(%%rsp)" : : : "memory"); 399 #define DRM_WRITEMEMORYBARRIER() __asm __volatile("" : : : "memory"); 400 #define DRM_MEMORYBARRIER() __asm __volatile( \ 401 "lock; addl $0,0(%%rsp)" : : : "memory"); 402 #endif 403 404 #ifdef __FreeBSD__ 405 #define DRM_READ8(map, offset) \ 406 *(volatile u_int8_t *) (((unsigned long)(map)->handle) + (offset)) 407 #define DRM_READ16(map, offset) \ 408 *(volatile u_int16_t *) (((unsigned long)(map)->handle) + (offset)) 409 #define DRM_READ32(map, offset) \ 410 *(volatile u_int32_t *)(((unsigned long)(map)->handle) + (offset)) 411 #define DRM_WRITE8(map, offset, val) \ 412 *(volatile u_int8_t *) (((unsigned long)(map)->handle) + (offset)) = val 413 #define DRM_WRITE16(map, offset, val) \ 414 *(volatile u_int16_t *) (((unsigned long)(map)->handle) + (offset)) = val 415 #define DRM_WRITE32(map, offset, val) \ 416 *(volatile u_int32_t *)(((unsigned long)(map)->handle) + (offset)) = val 417 418 #define DRM_VERIFYAREA_READ( uaddr, size ) \ 419 (!useracc(__DECONST(caddr_t, uaddr), size, VM_PROT_READ)) 420 421 #else /* __FreeBSD__ */ 422 423 typedef vaddr_t vm_offset_t; 424 425 #define DRM_READ8(map, offset) \ 426 bus_space_read_1( (map)->bst, (map)->bsh, (offset)) 427 #define DRM_READ16(map, offset) \ 428 bus_space_read_2( (map)->bst, (map)->bsh, (offset)) 429 #define DRM_READ32(map, offset) \ 430 bus_space_read_4( (map)->bst, (map)->bsh, (offset)) 431 #define DRM_WRITE8(map, offset, val) \ 432 bus_space_write_1((map)->bst, (map)->bsh, (offset), (val)) 433 #define DRM_WRITE16(map, offset, val) \ 434 bus_space_write_2((map)->bst, (map)->bsh, (offset), (val)) 435 #define DRM_WRITE32(map, offset, val) \ 436 bus_space_write_4((map)->bst, (map)->bsh, (offset), (val)) 437 438 #define DRM_VERIFYAREA_READ( uaddr, size ) \ 439 (!uvm_map_checkprot(&(curproc->p_vmspace->vm_map), \ 440 (vaddr_t)uaddr, (vaddr_t)uaddr+size, UVM_PROT_READ)) 441 442 #endif /* !__FreeBSD__ */ 443 444 #define DRM_COPY_TO_USER(user, kern, size) \ 445 copyout(kern, user, size) 446 #define DRM_COPY_FROM_USER(kern, user, size) \ 447 copyin(user, kern, size) 448 #define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \ 449 copyin(arg2, arg1, arg3) 450 #define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \ 451 copyout(arg2, arg1, arg3) 452 #if __FreeBSD_version > 500000 453 #define DRM_GET_USER_UNCHECKED(val, uaddr) \ 454 ((val) = fuword32(uaddr), 0) 455 #else 456 #define DRM_GET_USER_UNCHECKED(val, uaddr) \ 457 ((val) = fuword(uaddr), 0) 458 #endif 459 460 #define cpu_to_le32(x) htole32(x) 461 #define le32_to_cpu(x) le32toh(x) 462 463 #define DRM_HZ hz 464 #define DRM_UDELAY(udelay) DELAY(udelay) 465 #define DRM_TIME_SLICE (hz/20) /* Time slice for GLXContexts */ 466 467 #define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \ 468 (_map) = (_dev)->context_sareas[_ctx]; \ 469 } while(0) 470 471 #define LOCK_TEST_WITH_RETURN(dev, file_priv) \ 472 do { \ 473 if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \ 474 dev->lock.file_priv != file_priv) { \ 475 DRM_ERROR("%s called without lock held\n", \ 476 __FUNCTION__); \ 477 return EINVAL; \ 478 } \ 479 } while (0) 480 481 #if defined(__FreeBSD__) && __FreeBSD_version > 500000 482 /* Returns -errno to shared code */ 483 #define DRM_WAIT_ON( ret, queue, timeout, condition ) \ 484 for ( ret = 0 ; !ret && !(condition) ; ) { \ 485 DRM_UNLOCK(); \ 486 mtx_lock(&dev->irq_lock); \ 487 if (!(condition)) \ 488 ret = -mtx_sleep(&(queue), &dev->irq_lock, \ 489 PZERO | PCATCH, "drmwtq", (timeout)); \ 490 mtx_unlock(&dev->irq_lock); \ 491 DRM_LOCK(); \ 492 } 493 #elif defined(__NetBSD__) 494 /* Returns -errno to shared code */ 495 #define DRM_WAIT_ON( ret, queue, timeout, condition ) \ 496 for ( ret = 0 ; !ret && !(condition) ; ) { \ 497 DRM_UNLOCK(); \ 498 mutex_enter(&dev->irq_lock); \ 499 if (!(condition)) \ 500 ret = -mtsleep(&(queue), PZERO | PCATCH, \ 501 "drmwtq", (timeout), &dev->irq_lock); \ 502 mutex_exit(&dev->irq_lock); \ 503 DRM_LOCK(); \ 504 } 505 #else 506 /* Returns -errno to shared code */ 507 #define DRM_WAIT_ON( ret, queue, timeout, condition ) \ 508 for ( ret = 0 ; !ret && !(condition) ; ) { \ 509 int s = spldrm(); \ 510 if (!(condition)) \ 511 ret = -tsleep( &(queue), PZERO | PCATCH, \ 512 "drmwtq", (timeout) ); \ 513 splx(s); \ 514 } 515 #endif 516 517 #define DRM_ERROR(fmt, arg...) \ 518 printf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt, \ 519 DRM_CURRENTPID, __func__ , ## arg) 520 521 #define DRM_INFO(fmt, arg...) printf("info: [" DRM_NAME "] " fmt , ## arg) 522 523 #define DRM_DEBUG(fmt, arg...) do { \ 524 if (drm_debug_flag) \ 525 printf("[" DRM_NAME ":pid%d:%s] " fmt, DRM_CURRENTPID, \ 526 __func__ , ## arg); \ 527 } while (0) 528 529 typedef struct drm_pci_id_list 530 { 531 int vendor; 532 int device; 533 long driver_private; 534 const char *name; 535 } drm_pci_id_list_t; 536 537 #define DRM_AUTH 0x1 538 #define DRM_MASTER 0x2 539 #define DRM_ROOT_ONLY 0x4 540 typedef struct drm_ioctl_desc { 541 unsigned long cmd; 542 int (*func)(struct drm_device *dev, void *data, 543 struct drm_file *file_priv); 544 int flags; 545 } drm_ioctl_desc_t; 546 /** 547 * Creates a driver or general drm_ioctl_desc array entry for the given 548 * ioctl, for use by drm_ioctl(). 549 */ 550 #define DRM_IOCTL_DEF(ioctl, func, flags) \ 551 [DRM_IOCTL_NR(ioctl)] = {ioctl, func, flags} 552 553 typedef struct drm_magic_entry { 554 drm_magic_t magic; 555 struct drm_file *priv; 556 struct drm_magic_entry *next; 557 } drm_magic_entry_t; 558 559 typedef struct drm_magic_head { 560 struct drm_magic_entry *head; 561 struct drm_magic_entry *tail; 562 } drm_magic_head_t; 563 564 typedef struct drm_buf { 565 int idx; /* Index into master buflist */ 566 int total; /* Buffer size */ 567 int order; /* log-base-2(total) */ 568 int used; /* Amount of buffer in use (for DMA) */ 569 unsigned long offset; /* Byte offset (used internally) */ 570 void *address; /* Address of buffer */ 571 unsigned long bus_address; /* Bus address of buffer */ 572 struct drm_buf *next; /* Kernel-only: used for free list */ 573 __volatile__ int pending; /* On hardware DMA queue */ 574 struct drm_file *file_priv; /* Unique identifier of holding process */ 575 int context; /* Kernel queue for this buffer */ 576 enum { 577 DRM_LIST_NONE = 0, 578 DRM_LIST_FREE = 1, 579 DRM_LIST_WAIT = 2, 580 DRM_LIST_PEND = 3, 581 DRM_LIST_PRIO = 4, 582 DRM_LIST_RECLAIM = 5 583 } list; /* Which list we're on */ 584 585 int dev_priv_size; /* Size of buffer private stoarge */ 586 void *dev_private; /* Per-buffer private storage */ 587 } drm_buf_t; 588 589 typedef struct drm_freelist { 590 int initialized; /* Freelist in use */ 591 atomic_t count; /* Number of free buffers */ 592 drm_buf_t *next; /* End pointer */ 593 594 int low_mark; /* Low water mark */ 595 int high_mark; /* High water mark */ 596 } drm_freelist_t; 597 598 typedef struct drm_dma_handle { 599 void *vaddr; 600 bus_addr_t busaddr; 601 #if defined(__FreeBSD__) 602 bus_dma_tag_t tag; 603 bus_dmamap_t map; 604 #elif defined(__NetBSD__) 605 bus_dma_tag_t dmat; 606 bus_dmamap_t map; 607 #define DRM_PCI_DMAADDR(p) ((p)->map->dm_segs[0].ds_addr) 608 bus_dma_segment_t segs[1]; 609 size_t size; 610 void *addr; 611 #endif 612 } drm_dma_handle_t; 613 614 typedef struct drm_buf_entry { 615 int buf_size; 616 int buf_count; 617 drm_buf_t *buflist; 618 int seg_count; 619 drm_dma_handle_t **seglist; 620 int page_order; 621 622 drm_freelist_t freelist; 623 } drm_buf_entry_t; 624 625 typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t; 626 struct drm_file { 627 TAILQ_ENTRY(drm_file) link; 628 int authenticated; 629 int master; 630 int minor; 631 pid_t pid; 632 uid_t uid; 633 int refs; 634 drm_magic_t magic; 635 unsigned long ioctl_count; 636 void *driver_priv; 637 }; 638 639 typedef struct drm_lock_data { 640 drm_hw_lock_t *hw_lock; /* Hardware lock */ 641 struct drm_file *file_priv; /* Unique identifier of holding process (NULL is kernel)*/ 642 int lock_queue; /* Queue of blocked processes */ 643 unsigned long lock_time; /* Time of last lock in jiffies */ 644 } drm_lock_data_t; 645 646 /* This structure, in the struct drm_device, is always initialized while the 647 * device 648 * is open. dev->dma_lock protects the incrementing of dev->buf_use, which 649 * when set marks that no further bufs may be allocated until device teardown 650 * occurs (when the last open of the device has closed). The high/low 651 * watermarks of bufs are only touched by the X Server, and thus not 652 * concurrently accessed, so no locking is needed. 653 */ 654 typedef struct drm_device_dma { 655 drm_buf_entry_t bufs[DRM_MAX_ORDER+1]; 656 int buf_count; 657 drm_buf_t **buflist; /* Vector of pointers info bufs */ 658 int seg_count; 659 int page_count; 660 unsigned long *pagelist; 661 unsigned long byte_count; 662 enum { 663 _DRM_DMA_USE_AGP = 0x01, 664 _DRM_DMA_USE_SG = 0x02 665 } flags; 666 } drm_device_dma_t; 667 668 typedef struct drm_agp_mem { 669 void *handle; 670 unsigned long bound; /* address */ 671 int pages; 672 struct drm_agp_mem *prev; 673 struct drm_agp_mem *next; 674 } drm_agp_mem_t; 675 676 typedef struct drm_agp_head { 677 #ifdef __NetBSD__ 678 void *agpdev; 679 #else 680 device_t agpdev; 681 #endif 682 struct agp_info info; 683 const char *chipset; 684 drm_agp_mem_t *memory; 685 unsigned long mode; 686 int enabled; 687 int acquired; 688 unsigned long base; 689 int mtrr; 690 int cant_use_aperture; 691 unsigned long page_mask; 692 } drm_agp_head_t; 693 694 typedef struct drm_sg_mem { 695 unsigned long handle; 696 void *virtual; 697 int pages; 698 dma_addr_t *busaddr; 699 drm_dma_handle_t *dmah; /* Handle to PCI memory for ATI PCIGART table */ 700 } drm_sg_mem_t; 701 702 typedef TAILQ_HEAD(drm_map_list, drm_local_map) drm_map_list_t; 703 704 typedef struct drm_local_map { 705 unsigned long offset; /* Physical address (0 for SAREA)*/ 706 unsigned long size; /* Physical size (bytes) */ 707 drm_map_type_t type; /* Type of memory mapped */ 708 drm_map_flags_t flags; /* Flags */ 709 void *handle; /* User-space: "Handle" to pass to mmap */ 710 /* Kernel-space: kernel-virtual address */ 711 int mtrr; /* Boolean: MTRR used */ 712 /* Private data */ 713 int rid; /* PCI resource ID for bus_space */ 714 #ifdef __FreeBSD__ 715 struct resource *bsr; 716 #endif 717 bus_space_tag_t bst; 718 bus_space_handle_t bsh; 719 drm_dma_handle_t *dmah; 720 #ifdef __NetBSD__ 721 int *cnt; 722 bus_size_t mapsize; 723 #endif 724 TAILQ_ENTRY(drm_local_map) link; 725 } drm_local_map_t; 726 727 TAILQ_HEAD(drm_vbl_sig_list, drm_vbl_sig); 728 typedef struct drm_vbl_sig { 729 TAILQ_ENTRY(drm_vbl_sig) link; 730 unsigned int sequence; 731 int signo; 732 int pid; 733 } drm_vbl_sig_t; 734 735 /* location of GART table */ 736 #define DRM_ATI_GART_MAIN 1 737 #define DRM_ATI_GART_FB 2 738 739 #define DRM_ATI_GART_PCI 1 740 #define DRM_ATI_GART_PCIE 2 741 #define DRM_ATI_GART_IGP 3 742 743 struct drm_ati_pcigart_info { 744 int gart_table_location; 745 int gart_reg_if; 746 void *addr; 747 dma_addr_t bus_addr; 748 dma_addr_t table_mask; 749 dma_addr_t member_mask; 750 struct drm_dma_handle *table_handle; 751 drm_local_map_t mapping; 752 int table_size; 753 }; 754 755 #ifndef DMA_BIT_MASK 756 #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : (1ULL<<(n)) - 1) 757 #endif 758 759 #define upper_32_bits(_val) (((u64)(_val)) >> 32) 760 761 struct drm_driver_info { 762 int (*load)(struct drm_device *, unsigned long flags); 763 int (*firstopen)(struct drm_device *); 764 int (*open)(struct drm_device *, drm_file_t *); 765 void (*preclose)(struct drm_device *, struct drm_file *file_priv); 766 void (*postclose)(struct drm_device *, drm_file_t *); 767 void (*lastclose)(struct drm_device *); 768 int (*unload)(struct drm_device *); 769 void (*reclaim_buffers_locked)(struct drm_device *, 770 struct drm_file *file_priv); 771 int (*dma_ioctl)(struct drm_device *dev, void *data, 772 struct drm_file *file_priv); 773 void (*dma_ready)(struct drm_device *); 774 int (*dma_quiescent)(struct drm_device *); 775 int (*dma_flush_block_and_flush)(struct drm_device *, int context, 776 drm_lock_flags_t flags); 777 int (*dma_flush_unblock)(struct drm_device *, int context, 778 drm_lock_flags_t flags); 779 int (*context_ctor)(struct drm_device *dev, int context); 780 int (*context_dtor)(struct drm_device *dev, int context); 781 int (*kernel_context_switch)(struct drm_device *dev, int old, 782 int new); 783 int (*kernel_context_switch_unlock)(struct drm_device *dev); 784 void (*irq_preinstall)(struct drm_device *dev); 785 int (*irq_postinstall)(struct drm_device *dev); 786 void (*irq_uninstall)(struct drm_device *dev); 787 irqreturn_t (*irq_handler)(DRM_IRQ_ARGS); 788 u32 (*get_vblank_counter)(struct drm_device *dev, int crtc); 789 int (*enable_vblank)(struct drm_device *dev, int crtc); 790 void (*disable_vblank)(struct drm_device *dev, int crtc); 791 792 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ 793 794 /** 795 * Called by \c drm_device_is_agp. Typically used to determine if a 796 * card is really attached to AGP or not. 797 * 798 * \param dev DRM device handle 799 * 800 * \returns 801 * One of three values is returned depending on whether or not the 802 * card is absolutely \b not AGP (return of 0), absolutely \b is AGP 803 * (return of 1), or may or may not be AGP (return of 2). 804 */ 805 int (*device_is_agp) (struct drm_device * dev); 806 807 drm_ioctl_desc_t *ioctls; 808 int max_ioctl; 809 810 int buf_priv_size; 811 812 int major; 813 int minor; 814 int patchlevel; 815 const char *name; /* Simple driver name */ 816 const char *desc; /* Longer driver name */ 817 const char *date; /* Date of last major changes. */ 818 819 unsigned use_agp :1; 820 unsigned require_agp :1; 821 unsigned use_sg :1; 822 unsigned use_dma :1; 823 unsigned use_pci_dma :1; 824 unsigned use_dma_queue :1; 825 unsigned use_irq :1; 826 unsigned use_vbl_irq :1; 827 unsigned use_vbl_irq2 :1; 828 unsigned use_mtrr :1; 829 }; 830 831 /* Length for the array of resource pointers for drm_get_resource_*. */ 832 #define DRM_MAX_PCI_RESOURCE 3 833 834 #if defined(__NetBSD__) || defined(__OpenBSD__) 835 typedef struct { 836 int mapped; 837 int maptype; 838 bus_addr_t base; 839 bus_size_t size; 840 bus_space_handle_t bsh; 841 int flags; 842 void * vaddr; 843 } pci_map_data_t; 844 #endif 845 846 /** 847 * DRM device functions structure 848 */ 849 struct drm_device { 850 #if defined(__NetBSD__) || defined(__OpenBSD__) 851 struct device device; /* softc is an extension of struct device */ 852 #endif 853 854 struct drm_driver_info driver; 855 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ 856 857 u_int16_t pci_device; /* PCI device id */ 858 u_int16_t pci_vendor; /* PCI vendor id */ 859 860 char *unique; /* Unique identifier: e.g., busid */ 861 int unique_len; /* Length of unique field */ 862 #ifdef __FreeBSD__ 863 device_t device; /* Device instance from newbus */ 864 struct cdev *devnode; /* Device number for mknod */ 865 #endif 866 int if_version; /* Highest interface version set */ 867 868 int flags; /* Flags to open(2) */ 869 870 /* Locks */ 871 #if defined(__FreeBSD__) && __FreeBSD_version > 500000 872 struct mtx vbl_lock; /* protects vblank operations */ 873 struct mtx dma_lock; /* protects dev->dma */ 874 struct mtx irq_lock; /* protects irq condition checks */ 875 struct mtx dev_lock; /* protects everything else */ 876 #elif defined(__NetBSD__) 877 DRM_SPINTYPE vbl_lock; /* protects vblank operations */ 878 DRM_SPINTYPE dma_lock; /* protects dev->dma */ 879 DRM_SPINTYPE irq_lock; /* protects irq condition checks */ 880 DRM_SPINTYPE dev_lock; /* protects everything else */ 881 #endif 882 DRM_SPINTYPE drw_lock; 883 884 /* Usage Counters */ 885 int open_count; /* Outstanding files open */ 886 int buf_use; /* Buffers in use -- cannot alloc */ 887 888 /* Performance counters */ 889 unsigned long counters; 890 drm_stat_type_t types[15]; 891 atomic_t counts[15]; 892 893 /* Authentication */ 894 drm_file_list_t files; 895 drm_magic_head_t magiclist[DRM_HASH_SIZE]; 896 897 /* Linked list of mappable regions. Protected by dev_lock */ 898 drm_map_list_t maplist; 899 900 drm_local_map_t **context_sareas; 901 int max_context; 902 903 drm_lock_data_t lock; /* Information on hardware lock */ 904 905 /* DMA queues (contexts) */ 906 drm_device_dma_t *dma; /* Optional pointer for DMA support */ 907 908 /* Context support */ 909 int irq; /* Interrupt used by board */ 910 int irq_enabled; /* True if the irq handler is enabled */ 911 #ifdef __FreeBSD__ 912 int irqrid; /* Interrupt used by board */ 913 struct resource *irqr; /* Resource for interrupt used by board */ 914 915 /* Storage of resource pointers for drm_get_resource_* */ 916 struct resource *pcir[DRM_MAX_PCI_RESOURCE]; 917 int pcirid[DRM_MAX_PCI_RESOURCE]; 918 919 #elif defined(__NetBSD__) || defined(__OpenBSD__) 920 struct pci_attach_args pa; 921 pci_map_data_t pci_map_data[DRM_MAX_PCI_RESOURCE]; 922 pci_map_data_t agp_map_data[DRM_MAX_PCI_RESOURCE]; 923 int unit; /* drm unit number */ 924 DRM_CDEV kdev; 925 #endif 926 void *irqh; /* Handle from bus_setup_intr */ 927 928 int pci_domain; 929 int pci_bus; 930 int pci_slot; 931 int pci_func; 932 933 atomic_t context_flag; /* Context swapping flag */ 934 int last_context; /* Last current context */ 935 wait_queue_head_t *vbl_queue; /* vblank wait queue */ 936 atomic_t *_vblank_count; /* number of VBLANK interrupts */ 937 /* (driver must alloc the right number of counters) */ 938 struct drm_vbl_sig_list *vbl_sigs; /* signal list to send on VBLANK */ 939 atomic_t vbl_signal_pending; /* number of signals pending on all crtcs*/ 940 atomic_t *vblank_refcount; /* number of users of vblank interrupts per crtc */ 941 u32 *last_vblank; /* protected by dev->vbl_lock, used */ 942 /* for wraparound handling */ 943 int *vblank_enabled; /* so we don't call enable more than */ 944 /* once per disable */ 945 u32 *vblank_premodeset; /* for compensation of spurious wraparounds */ 946 int *vblank_suspend; /* Don't wait while crtc is likely disabled */ 947 struct callout vblank_disable_timer; 948 u32 max_vblank_count; /* size of vblank counter register */ 949 int num_crtcs; 950 951 #ifdef __FreeBSD__ 952 struct sigio *buf_sigio; /* Processes waiting for SIGIO */ 953 #elif defined(__NetBSD__) 954 pid_t buf_pgid; 955 #endif 956 957 /* Sysctl support */ 958 struct drm_sysctl_info *sysctl; 959 960 drm_agp_head_t *agp; 961 drm_sg_mem_t *sg; /* Scatter gather memory */ 962 atomic_t *ctx_bitmap; 963 void *dev_private; 964 unsigned int agp_buffer_token; 965 drm_local_map_t *agp_buffer_map; 966 967 #ifdef __FreeBSD__ 968 struct unrhdr *drw_unrhdr; 969 /* RB tree of drawable infos */ 970 RB_HEAD(drawable_tree, bsd_drm_drawable_info) drw_head; 971 972 /* XXXMRG */ 973 struct task locked_task; 974 void (*locked_task_call)(struct drm_device *dev); 975 #endif 976 }; 977 978 extern int drm_debug_flag; 979 980 /* Device setup support (drm_drv.c) */ 981 #ifdef __FreeBSD__ 982 int drm_probe(device_t nbdev, drm_pci_id_list_t *idlist); 983 int drm_attach(device_t nbdev, drm_pci_id_list_t *idlist); 984 int drm_detach(device_t nbdev); 985 d_ioctl_t drm_ioctl; 986 d_open_t drm_open; 987 d_close_t drm_close; 988 d_read_t drm_read; 989 d_poll_t drm_poll; 990 d_mmap_t drm_mmap; 991 #elif defined(__NetBSD__) || defined(__OpenBSD__) 992 int drm_probe(struct pci_attach_args *pa, drm_pci_id_list_t *idlist); 993 void drm_attach(struct device *kdev, struct pci_attach_args *pa, drm_pci_id_list_t *idlist); 994 #if defined(__NetBSD__) 995 int drm_detach(struct device *self, int flags); 996 int drm_activate(struct device *self, enum devact act); 997 #endif 998 dev_type_ioctl(drm_ioctl); 999 dev_type_open(drm_open); 1000 dev_type_close(drm_close); 1001 dev_type_read(drm_read); 1002 dev_type_poll(drm_poll); 1003 dev_type_mmap(drm_mmap); 1004 #endif 1005 extern drm_local_map_t *drm_getsarea(struct drm_device *dev); 1006 1007 int drm_close_pid(drm_device_t *dev, drm_file_t *priv, pid_t pid); 1008 1009 /* File operations helpers (drm_fops.c) */ 1010 #ifdef __FreeBSD__ 1011 extern int drm_open_helper(struct cdev *kdev, int flags, int fmt, 1012 DRM_STRUCTPROC *p, 1013 struct drm_device *dev); 1014 extern drm_file_t *drm_find_file_by_proc(struct drm_device *dev, 1015 DRM_STRUCTPROC *p); 1016 #elif defined(__NetBSD__) || defined(__OpenBSD__) 1017 extern int drm_open_helper(DRM_CDEV kdev, int flags, int fmt, 1018 DRM_STRUCTPROC *p, drm_device_t *dev); 1019 extern drm_file_t *drm_find_file_by_proc(struct drm_device *dev, 1020 DRM_STRUCTPROC *p); 1021 #endif /* __NetBSD__ || __OpenBSD__ */ 1022 1023 /* Memory management support (drm_memory.c) */ 1024 void drm_mem_init(void); 1025 void drm_mem_uninit(void); 1026 void *drm_alloc(size_t size, int area); 1027 void *drm_calloc(size_t nmemb, size_t size, int area); 1028 void *drm_realloc(void *oldpt, size_t oldsize, size_t size, 1029 int area); 1030 void drm_free(void *pt, size_t size, int area); 1031 void *drm_ioremap(struct drm_device *dev, drm_local_map_t *map); 1032 void drm_ioremapfree(drm_local_map_t *map); 1033 #ifdef __FreeBSD__ 1034 int drm_mtrr_add(unsigned long offset, size_t size, int flags); 1035 int drm_mtrr_del(int handle, unsigned long offset, size_t size, int flags); 1036 #else 1037 #ifndef DRM_NO_MTRR 1038 int drm_mtrr_add(unsigned long offset, size_t size, int flags); 1039 int drm_mtrr_del(unsigned long offset, size_t size, int flags); 1040 #endif 1041 #endif /* !__FreeBSD__ */ 1042 1043 int drm_context_switch(struct drm_device *dev, int old, int new); 1044 int drm_context_switch_complete(struct drm_device *dev, int new); 1045 1046 int drm_ctxbitmap_init(struct drm_device *dev); 1047 void drm_ctxbitmap_cleanup(struct drm_device *dev); 1048 void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle); 1049 int drm_ctxbitmap_next(struct drm_device *dev); 1050 1051 /* Locking IOCTL support (drm_lock.c) */ 1052 int drm_lock_take(__volatile__ unsigned int *lock, 1053 unsigned int context); 1054 int drm_lock_transfer(struct drm_device *dev, 1055 __volatile__ unsigned int *lock, 1056 unsigned int context); 1057 int drm_lock_free(struct drm_device *dev, 1058 __volatile__ unsigned int *lock, 1059 unsigned int context); 1060 1061 /* Buffer management support (drm_bufs.c) */ 1062 unsigned long drm_get_resource_start(struct drm_device *dev, 1063 unsigned int resource); 1064 unsigned long drm_get_resource_len(struct drm_device *dev, 1065 unsigned int resource); 1066 void drm_rmmap(struct drm_device *dev, drm_local_map_t *map); 1067 int drm_order(unsigned long size); 1068 int drm_addmap(struct drm_device *dev, unsigned long offset, 1069 unsigned long size, 1070 drm_map_type_t type, drm_map_flags_t flags, 1071 drm_local_map_t **map_ptr); 1072 int drm_addbufs_pci(struct drm_device *dev, drm_buf_desc_t *request); 1073 int drm_addbufs_sg(struct drm_device *dev, drm_buf_desc_t *request); 1074 int drm_addbufs_agp(struct drm_device *dev, drm_buf_desc_t *request); 1075 1076 /* DMA support (drm_dma.c) */ 1077 int drm_dma_setup(struct drm_device *dev); 1078 void drm_dma_takedown(struct drm_device *dev); 1079 void drm_free_buffer(struct drm_device *dev, drm_buf_t *buf); 1080 void drm_reclaim_buffers(struct drm_device *dev, struct drm_file *file_priv); 1081 #define drm_core_reclaim_buffers drm_reclaim_buffers 1082 1083 /* IRQ support (drm_irq.c) */ 1084 int drm_irq_install(struct drm_device *dev); 1085 int drm_irq_uninstall(struct drm_device *dev); 1086 irqreturn_t drm_irq_handler(DRM_IRQ_ARGS); 1087 void drm_driver_irq_preinstall(struct drm_device *dev); 1088 void drm_driver_irq_postinstall(struct drm_device *dev); 1089 void drm_driver_irq_uninstall(struct drm_device *dev); 1090 void drm_handle_vblank(struct drm_device *dev, int crtc); 1091 u32 drm_vblank_count(struct drm_device *dev, int crtc); 1092 int drm_vblank_get(struct drm_device *dev, int crtc); 1093 void drm_vblank_put(struct drm_device *dev, int crtc); 1094 void drm_update_vblank_count(struct drm_device *dev, int crtc); 1095 int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq); 1096 int drm_vblank_init(struct drm_device *dev, int num_crtcs); 1097 void drm_vbl_send_signals(struct drm_device *dev, int crtc); 1098 int drm_modeset_ctl(struct drm_device *dev, void *data, 1099 struct drm_file *file_priv); 1100 1101 /* AGP/PCI Express/GART support (drm_agpsupport.c) */ 1102 int drm_device_is_agp(struct drm_device *dev); 1103 int drm_device_is_pcie(struct drm_device *dev); 1104 #ifdef __NetBSD__ 1105 drm_agp_head_t *drm_agp_init(drm_device_t *dev); 1106 #else 1107 drm_agp_head_t *drm_agp_init(void); 1108 #endif 1109 int drm_agp_acquire(struct drm_device *dev); 1110 int drm_agp_release(struct drm_device *dev); 1111 int drm_agp_info(struct drm_device * dev, drm_agp_info_t *info); 1112 int drm_agp_enable(struct drm_device *dev, drm_agp_mode_t mode); 1113 void *drm_agp_allocate_memory(size_t pages, u32 type); 1114 int drm_agp_free_memory(void *handle); 1115 int drm_agp_bind_memory(void *handle, off_t start); 1116 int drm_agp_unbind_memory(void *handle); 1117 int drm_agp_alloc(struct drm_device *dev, drm_agp_buffer_t *request); 1118 int drm_agp_free(struct drm_device *dev, drm_agp_buffer_t *request); 1119 int drm_agp_bind(struct drm_device *dev, drm_agp_binding_t *request); 1120 int drm_agp_unbind(struct drm_device *dev, drm_agp_binding_t *request); 1121 1122 /* Scatter Gather Support (drm_scatter.c) */ 1123 void drm_sg_cleanup(drm_sg_mem_t *entry); 1124 int drm_sg_alloc(struct drm_device *dev, drm_scatter_gather_t * request); 1125 1126 #if defined(__FreeBSD__) || defined(__NetBSD__) 1127 /* sysctl support (drm_sysctl.h) */ 1128 extern int drm_sysctl_init(struct drm_device *dev); 1129 extern int drm_sysctl_cleanup(struct drm_device *dev); 1130 #endif /* __FreeBSD__ */ 1131 1132 /* ATI PCIGART support (ati_pcigart.c) */ 1133 int drm_ati_pcigart_init(struct drm_device *dev, 1134 struct drm_ati_pcigart_info *gart_info); 1135 int drm_ati_pcigart_cleanup(struct drm_device *dev, 1136 struct drm_ati_pcigart_info *gart_info); 1137 1138 /* Locking IOCTL support (drm_drv.c) */ 1139 int drm_lock(struct drm_device *dev, void *data, 1140 struct drm_file *file_priv); 1141 int drm_unlock(struct drm_device *dev, void *data, 1142 struct drm_file *file_priv); 1143 int drm_version(struct drm_device *dev, void *data, 1144 struct drm_file *file_priv); 1145 int drm_setversion(struct drm_device *dev, void *data, 1146 struct drm_file *file_priv); 1147 1148 /* Misc. IOCTL support (drm_ioctl.c) */ 1149 int drm_irq_by_busid(struct drm_device *dev, void *data, 1150 struct drm_file *file_priv); 1151 int drm_getunique(struct drm_device *dev, void *data, 1152 struct drm_file *file_priv); 1153 int drm_setunique(struct drm_device *dev, void *data, 1154 struct drm_file *file_priv); 1155 int drm_getmap(struct drm_device *dev, void *data, 1156 struct drm_file *file_priv); 1157 int drm_getclient(struct drm_device *dev, void *data, 1158 struct drm_file *file_priv); 1159 int drm_getstats(struct drm_device *dev, void *data, 1160 struct drm_file *file_priv); 1161 int drm_noop(struct drm_device *dev, void *data, 1162 struct drm_file *file_priv); 1163 1164 /* Context IOCTL support (drm_context.c) */ 1165 int drm_resctx(struct drm_device *dev, void *data, 1166 struct drm_file *file_priv); 1167 int drm_addctx(struct drm_device *dev, void *data, 1168 struct drm_file *file_priv); 1169 int drm_modctx(struct drm_device *dev, void *data, 1170 struct drm_file *file_priv); 1171 int drm_getctx(struct drm_device *dev, void *data, 1172 struct drm_file *file_priv); 1173 int drm_switchctx(struct drm_device *dev, void *data, 1174 struct drm_file *file_priv); 1175 int drm_newctx(struct drm_device *dev, void *data, 1176 struct drm_file *file_priv); 1177 int drm_rmctx(struct drm_device *dev, void *data, 1178 struct drm_file *file_priv); 1179 int drm_setsareactx(struct drm_device *dev, void *data, 1180 struct drm_file *file_priv); 1181 int drm_getsareactx(struct drm_device *dev, void *data, 1182 struct drm_file *file_priv); 1183 1184 /* Drawable IOCTL support (drm_drawable.c) */ 1185 int drm_adddraw(struct drm_device *dev, void *data, 1186 struct drm_file *file_priv); 1187 int drm_rmdraw(struct drm_device *dev, void *data, 1188 struct drm_file *file_priv); 1189 int drm_update_draw(struct drm_device *dev, void *data, 1190 struct drm_file *file_priv); 1191 struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev, 1192 int handle); 1193 1194 /* Authentication IOCTL support (drm_auth.c) */ 1195 int drm_getmagic(struct drm_device *dev, void *data, 1196 struct drm_file *file_priv); 1197 int drm_authmagic(struct drm_device *dev, void *data, 1198 struct drm_file *file_priv); 1199 1200 /* Buffer management support (drm_bufs.c) */ 1201 int drm_addmap_ioctl(struct drm_device *dev, void *data, 1202 struct drm_file *file_priv); 1203 int drm_rmmap_ioctl(struct drm_device *dev, void *data, 1204 struct drm_file *file_priv); 1205 int drm_addbufs_ioctl(struct drm_device *dev, void *data, 1206 struct drm_file *file_priv); 1207 int drm_infobufs(struct drm_device *dev, void *data, 1208 struct drm_file *file_priv); 1209 int drm_markbufs(struct drm_device *dev, void *data, 1210 struct drm_file *file_priv); 1211 int drm_freebufs(struct drm_device *dev, void *data, 1212 struct drm_file *file_priv); 1213 int drm_mapbufs(struct drm_device *dev, void *data, 1214 struct drm_file *file_priv); 1215 1216 /* DMA support (drm_dma.c) */ 1217 int drm_dma(struct drm_device *dev, void *data, struct drm_file *file_priv); 1218 1219 /* IRQ support (drm_irq.c) */ 1220 int drm_control(struct drm_device *dev, void *data, struct drm_file *file_priv); 1221 int drm_wait_vblank(struct drm_device *dev, void *data, 1222 struct drm_file *file_priv); 1223 void drm_locked_tasklet(struct drm_device *dev, 1224 void (*tasklet)(struct drm_device *dev)); 1225 1226 /* AGP/GART support (drm_agpsupport.c) */ 1227 int drm_agp_acquire_ioctl(struct drm_device *dev, void *data, 1228 struct drm_file *file_priv); 1229 int drm_agp_release_ioctl(struct drm_device *dev, void *data, 1230 struct drm_file *file_priv); 1231 int drm_agp_enable_ioctl(struct drm_device *dev, void *data, 1232 struct drm_file *file_priv); 1233 int drm_agp_info_ioctl(struct drm_device *dev, void *data, 1234 struct drm_file *file_priv); 1235 int drm_agp_alloc_ioctl(struct drm_device *dev, void *data, 1236 struct drm_file *file_priv); 1237 int drm_agp_free_ioctl(struct drm_device *dev, void *data, 1238 struct drm_file *file_priv); 1239 int drm_agp_unbind_ioctl(struct drm_device *dev, void *data, 1240 struct drm_file *file_priv); 1241 int drm_agp_bind_ioctl(struct drm_device *dev, void *data, 1242 struct drm_file *file_priv); 1243 1244 /* Scatter Gather Support (drm_scatter.c) */ 1245 int drm_sg_alloc_ioctl(struct drm_device *dev, void *data, 1246 struct drm_file *file_priv); 1247 int drm_sg_free(struct drm_device *dev, void *data, 1248 struct drm_file *file_priv); 1249 1250 /* consistent PCI memory functions (drm_pci.c) */ 1251 drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size, 1252 size_t align, dma_addr_t maxaddr); 1253 void drm_pci_free(struct drm_device *dev, drm_dma_handle_t *dmah); 1254 1255 /* Inline replacements for DRM_IOREMAP macros */ 1256 static __inline__ void 1257 drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev) 1258 { 1259 map->handle = drm_ioremap(dev, map); 1260 } 1261 static __inline__ void 1262 drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev) 1263 { 1264 if ( map->handle && map->size ) 1265 drm_ioremapfree(map); 1266 } 1267 1268 static __inline__ struct drm_local_map * 1269 drm_core_findmap(struct drm_device *dev, unsigned long offset) 1270 { 1271 drm_local_map_t *map; 1272 1273 DRM_SPINLOCK_ASSERT(&dev->dev_lock); 1274 TAILQ_FOREACH(map, &dev->maplist, link) { 1275 if (map->offset == offset) 1276 return map; 1277 } 1278 return NULL; 1279 } 1280 1281 static __inline__ void drm_core_dropmap(struct drm_map *map) 1282 { 1283 } 1284 1285 #endif /* __KERNEL__ */ 1286 #endif /* _DRM_P_H_ */ 1287
Indexes created Thu Oct 02 14:10:14 GMT 2025