drmP.h revision 1.9.8.1
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/agpio.h> 112 #include <sys/ttycom.h> 113 #include <sys/mman.h> 114 #include <sys/kauth.h> 115 #include <sys/types.h> 116 #include <sys/file.h> 117 #include <sys/atomic.h> 118 #include <sys/workqueue.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*/ IPL_VM) 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 1 287 #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) ALIGN(addr) 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 #define DRM_HANDLE_NEEDS_MASK(type) ((type) == _DRM_SHM || (type) == _DRM_SCATTER_GATHER) 334 #else 335 #define DRM_NETBSD_ADDR2HANDLE(addr) (addr) 336 #define DRM_NETBSD_HANDLE2ADDR(handle) (handle) 337 #define DRM_HANDLE_NEEDS_MASK(type) 0 338 #endif 339 #elif defined(__OpenBSD__) 340 #define DRM_SUSER(p) (suser(p->p_ucred, &p->p_acflag) == 0) 341 #define DRM_MTRR_WC MTRR_TYPE_WC 342 #define jiffies ticks 343 #endif 344 345 #ifdef DRM_NO_AGP 346 #define DRM_AGP_FIND_DEVICE() 0 347 #else 348 #define DRM_AGP_FIND_DEVICE() agp_find_device(0) 349 #endif 350 351 #if !defined(__NetBSD__) 352 typedef struct drm_device *device_t; 353 #endif 354 355 extern struct cfdriver drm_cd; 356 357 #endif /* !__FreeBSD__ */ 358 359 /* Capabilities taken from src/sys/dev/pci/pcireg.h. */ 360 #ifndef PCIY_AGP 361 #define PCIY_AGP 0x02 362 #endif 363 364 #ifndef PCIY_EXPRESS 365 #define PCIY_EXPRESS 0x10 366 #endif 367 368 typedef unsigned long dma_addr_t; 369 typedef u_int64_t u64; 370 typedef u_int32_t u32; 371 typedef u_int16_t u16; 372 typedef u_int8_t u8; 373 374 /* DRM_READMEMORYBARRIER() prevents reordering of reads. 375 * DRM_WRITEMEMORYBARRIER() prevents reordering of writes. 376 * DRM_MEMORYBARRIER() prevents reordering of reads and writes. 377 */ 378 379 /* XXX TODO: change to bus_space_barrier(9), as certain architectures 380 might need them--not to mention that MD cruft is ugly. I just 381 didn't feel like writing the macros right now. The use of mb(9) 382 below should be enough for x86, perhaps others. */ 383 384 #if defined(__NetBSD__) 385 #define DRM_READMEMORYBARRIER() membar_consumer() 386 #define DRM_WRITEMEMORYBARRIER() membar_producer() 387 #define DRM_MEMORYBARRIER() membar_sync() 388 #elif defined(__i386__) 389 #define DRM_READMEMORYBARRIER() __asm __volatile( \ 390 "lock; addl $0,0(%%esp)" : : : "memory"); 391 #define DRM_WRITEMEMORYBARRIER() __asm __volatile("" : : : "memory"); 392 #define DRM_MEMORYBARRIER() __asm __volatile( \ 393 "lock; addl $0,0(%%esp)" : : : "memory"); 394 #elif defined(__alpha__) 395 #define DRM_READMEMORYBARRIER() alpha_mb(); 396 #define DRM_WRITEMEMORYBARRIER() alpha_wmb(); 397 #define DRM_MEMORYBARRIER() alpha_mb(); 398 #elif defined(__amd64__) 399 #define DRM_READMEMORYBARRIER() __asm __volatile( \ 400 "lock; addl $0,0(%%rsp)" : : : "memory"); 401 #define DRM_WRITEMEMORYBARRIER() __asm __volatile("" : : : "memory"); 402 #define DRM_MEMORYBARRIER() __asm __volatile( \ 403 "lock; addl $0,0(%%rsp)" : : : "memory"); 404 #endif 405 406 #ifdef __FreeBSD__ 407 #define DRM_READ8(map, offset) \ 408 *(volatile u_int8_t *) (((unsigned long)(map)->handle) + (offset)) 409 #define DRM_READ16(map, offset) \ 410 *(volatile u_int16_t *) (((unsigned long)(map)->handle) + (offset)) 411 #define DRM_READ32(map, offset) \ 412 *(volatile u_int32_t *)(((unsigned long)(map)->handle) + (offset)) 413 #define DRM_WRITE8(map, offset, val) \ 414 *(volatile u_int8_t *) (((unsigned long)(map)->handle) + (offset)) = val 415 #define DRM_WRITE16(map, offset, val) \ 416 *(volatile u_int16_t *) (((unsigned long)(map)->handle) + (offset)) = val 417 #define DRM_WRITE32(map, offset, val) \ 418 *(volatile u_int32_t *)(((unsigned long)(map)->handle) + (offset)) = val 419 420 #define DRM_VERIFYAREA_READ( uaddr, size ) \ 421 (!useracc(__DECONST(caddr_t, uaddr), size, VM_PROT_READ)) 422 423 #else /* __FreeBSD__ */ 424 425 typedef vaddr_t vm_offset_t; 426 427 #define DRM_READ8(map, offset) \ 428 bus_space_read_1( (map)->bst, (map)->bsh, (offset)) 429 #define DRM_READ16(map, offset) \ 430 bus_space_read_2( (map)->bst, (map)->bsh, (offset)) 431 #define DRM_READ32(map, offset) \ 432 bus_space_read_4( (map)->bst, (map)->bsh, (offset)) 433 #define DRM_WRITE8(map, offset, val) \ 434 bus_space_write_1((map)->bst, (map)->bsh, (offset), (val)) 435 #define DRM_WRITE16(map, offset, val) \ 436 bus_space_write_2((map)->bst, (map)->bsh, (offset), (val)) 437 #define DRM_WRITE32(map, offset, val) \ 438 bus_space_write_4((map)->bst, (map)->bsh, (offset), (val)) 439 440 #define DRM_VERIFYAREA_READ( uaddr, size ) \ 441 (!uvm_map_checkprot(&(curproc->p_vmspace->vm_map), \ 442 (vaddr_t)uaddr, (vaddr_t)uaddr+size, UVM_PROT_READ)) 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 bus_dma_tag_t tag; 603 bus_dmamap_t map; 604 #if defined(__NetBSD__) 605 bus_dma_segment_t segs[1]; 606 size_t size; 607 #endif 608 } drm_dma_handle_t; 609 610 typedef struct drm_buf_entry { 611 int buf_size; 612 int buf_count; 613 drm_buf_t *buflist; 614 int seg_count; 615 drm_dma_handle_t **seglist; 616 int page_order; 617 618 drm_freelist_t freelist; 619 } drm_buf_entry_t; 620 621 typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t; 622 struct drm_file { 623 TAILQ_ENTRY(drm_file) link; 624 int authenticated; 625 int master; 626 int minor; 627 pid_t pid; 628 uid_t uid; 629 int refs; 630 drm_magic_t magic; 631 unsigned long ioctl_count; 632 void *driver_priv; 633 }; 634 635 typedef struct drm_lock_data { 636 drm_hw_lock_t *hw_lock; /* Hardware lock */ 637 struct drm_file *file_priv; /* Unique identifier of holding process (NULL is kernel)*/ 638 int lock_queue; /* Queue of blocked processes */ 639 unsigned long lock_time; /* Time of last lock in jiffies */ 640 } drm_lock_data_t; 641 642 /* This structure, in the struct drm_device, is always initialized while the 643 * device 644 * is open. dev->dma_lock protects the incrementing of dev->buf_use, which 645 * when set marks that no further bufs may be allocated until device teardown 646 * occurs (when the last open of the device has closed). The high/low 647 * watermarks of bufs are only touched by the X Server, and thus not 648 * concurrently accessed, so no locking is needed. 649 */ 650 typedef struct drm_device_dma { 651 drm_buf_entry_t bufs[DRM_MAX_ORDER+1]; 652 int buf_count; 653 drm_buf_t **buflist; /* Vector of pointers info bufs */ 654 int seg_count; 655 int page_count; 656 unsigned long *pagelist; 657 unsigned long byte_count; 658 enum { 659 _DRM_DMA_USE_AGP = 0x01, 660 _DRM_DMA_USE_SG = 0x02 661 } flags; 662 } drm_device_dma_t; 663 664 typedef struct drm_agp_mem { 665 void *handle; 666 unsigned long bound; /* address */ 667 int pages; 668 struct drm_agp_mem *prev; 669 struct drm_agp_mem *next; 670 } drm_agp_mem_t; 671 672 typedef struct drm_agp_head { 673 #ifdef __NetBSD__ 674 void *agpdev; 675 #else 676 device_t agpdev; 677 #endif 678 struct agp_info info; 679 const char *chipset; 680 drm_agp_mem_t *memory; 681 unsigned long mode; 682 int enabled; 683 int acquired; 684 unsigned long base; 685 int mtrr; 686 int cant_use_aperture; 687 unsigned long page_mask; 688 } drm_agp_head_t; 689 690 typedef struct drm_sg_mem { 691 unsigned long handle; 692 void *virtual; 693 int pages; 694 dma_addr_t *busaddr; 695 drm_dma_handle_t *dmah; /* Handle to PCI memory for ATI PCIGART table */ 696 } drm_sg_mem_t; 697 698 typedef TAILQ_HEAD(drm_map_list, drm_local_map) drm_map_list_t; 699 700 typedef struct drm_local_map { 701 unsigned long offset; /* Physical address (0 for SAREA)*/ 702 unsigned long size; /* Physical size (bytes) */ 703 drm_map_type_t type; /* Type of memory mapped */ 704 drm_map_flags_t flags; /* Flags */ 705 void *handle; /* User-space: "Handle" to pass to mmap */ 706 /* Kernel-space: kernel-virtual address */ 707 int mtrr; /* Boolean: MTRR used */ 708 /* Private data */ 709 int rid; /* PCI resource ID for bus_space */ 710 #ifdef __FreeBSD__ 711 struct resource *bsr; 712 #endif 713 bus_space_tag_t bst; 714 bus_space_handle_t bsh; 715 drm_dma_handle_t *dmah; 716 #ifdef __NetBSD__ 717 int *cnt; 718 bus_size_t mapsize; 719 #endif 720 TAILQ_ENTRY(drm_local_map) link; 721 } drm_local_map_t; 722 723 TAILQ_HEAD(drm_vbl_sig_list, drm_vbl_sig); 724 typedef struct drm_vbl_sig { 725 TAILQ_ENTRY(drm_vbl_sig) link; 726 unsigned int sequence; 727 int signo; 728 int pid; 729 } drm_vbl_sig_t; 730 731 /* location of GART table */ 732 #define DRM_ATI_GART_MAIN 1 733 #define DRM_ATI_GART_FB 2 734 735 #define DRM_ATI_GART_PCI 1 736 #define DRM_ATI_GART_PCIE 2 737 #define DRM_ATI_GART_IGP 3 738 739 struct drm_ati_pcigart_info { 740 int gart_table_location; 741 int gart_reg_if; 742 void *addr; 743 dma_addr_t bus_addr; 744 dma_addr_t table_mask; 745 dma_addr_t member_mask; 746 struct drm_dma_handle *table_handle; 747 drm_local_map_t mapping; 748 int table_size; 749 }; 750 751 #ifndef DMA_BIT_MASK 752 #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : (1ULL<<(n)) - 1) 753 #endif 754 755 #define upper_32_bits(n) ((u32)(((n) >> 16) >> 16)) 756 757 struct drm_driver_info { 758 int (*load)(struct drm_device *, unsigned long flags); 759 int (*firstopen)(struct drm_device *); 760 int (*open)(struct drm_device *, drm_file_t *); 761 void (*preclose)(struct drm_device *, struct drm_file *file_priv); 762 void (*postclose)(struct drm_device *, drm_file_t *); 763 void (*lastclose)(struct drm_device *); 764 int (*unload)(struct drm_device *); 765 void (*reclaim_buffers_locked)(struct drm_device *, 766 struct drm_file *file_priv); 767 int (*dma_ioctl)(struct drm_device *dev, void *data, 768 struct drm_file *file_priv); 769 void (*dma_ready)(struct drm_device *); 770 int (*dma_quiescent)(struct drm_device *); 771 int (*dma_flush_block_and_flush)(struct drm_device *, int context, 772 drm_lock_flags_t flags); 773 int (*dma_flush_unblock)(struct drm_device *, int context, 774 drm_lock_flags_t flags); 775 int (*context_ctor)(struct drm_device *dev, int context); 776 int (*context_dtor)(struct drm_device *dev, int context); 777 int (*kernel_context_switch)(struct drm_device *dev, int old, 778 int new); 779 int (*kernel_context_switch_unlock)(struct drm_device *dev); 780 void (*irq_preinstall)(struct drm_device *dev); 781 int (*irq_postinstall)(struct drm_device *dev); 782 void (*irq_uninstall)(struct drm_device *dev); 783 irqreturn_t (*irq_handler)(DRM_IRQ_ARGS); 784 u32 (*get_vblank_counter)(struct drm_device *dev, int crtc); 785 int (*enable_vblank)(struct drm_device *dev, int crtc); 786 void (*disable_vblank)(struct drm_device *dev, int crtc); 787 788 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ 789 790 /** 791 * Called by \c drm_device_is_agp. Typically used to determine if a 792 * card is really attached to AGP or not. 793 * 794 * \param dev DRM device handle 795 * 796 * \returns 797 * One of three values is returned depending on whether or not the 798 * card is absolutely \b not AGP (return of 0), absolutely \b is AGP 799 * (return of 1), or may or may not be AGP (return of 2). 800 */ 801 int (*device_is_agp) (struct drm_device * dev); 802 803 drm_ioctl_desc_t *ioctls; 804 int max_ioctl; 805 806 int buf_priv_size; 807 808 int major; 809 int minor; 810 int patchlevel; 811 const char *name; /* Simple driver name */ 812 const char *desc; /* Longer driver name */ 813 const char *date; /* Date of last major changes. */ 814 815 unsigned use_agp :1; 816 unsigned require_agp :1; 817 unsigned use_sg :1; 818 unsigned use_dma :1; 819 unsigned use_pci_dma :1; 820 unsigned use_dma_queue :1; 821 unsigned use_irq :1; 822 unsigned use_vbl_irq :1; 823 unsigned use_vbl_irq2 :1; 824 unsigned use_mtrr :1; 825 }; 826 827 /* Length for the array of resource pointers for drm_get_resource_*. */ 828 #define DRM_MAX_PCI_RESOURCE 3 829 830 #if defined(__NetBSD__) || defined(__OpenBSD__) 831 typedef struct { 832 int mapped; 833 int maptype; 834 bus_addr_t base; 835 bus_size_t size; 836 bus_space_handle_t bsh; 837 int flags; 838 void * vaddr; 839 } pci_map_data_t; 840 #endif 841 842 /** 843 * DRM device functions structure 844 */ 845 struct drm_device { 846 #if defined(__NetBSD__) 847 struct device *device; 848 #elif defined(__OpenBSD__) 849 struct device device; /* softc is an extension of struct device */ 850 #endif 851 852 struct drm_driver_info driver; 853 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ 854 855 u_int16_t pci_device; /* PCI device id */ 856 u_int16_t pci_vendor; /* PCI vendor id */ 857 858 char *unique; /* Unique identifier: e.g., busid */ 859 int unique_len; /* Length of unique field */ 860 #ifdef __FreeBSD__ 861 device_t device; /* Device instance from newbus */ 862 struct cdev *devnode; /* Device number for mknod */ 863 #endif 864 int if_version; /* Highest interface version set */ 865 866 int flags; /* Flags to open(2) */ 867 868 /* Locks */ 869 #if defined(__FreeBSD__) && __FreeBSD_version > 500000 870 struct mtx vbl_lock; /* protects vblank operations */ 871 struct mtx dma_lock; /* protects dev->dma */ 872 struct mtx irq_lock; /* protects irq condition checks */ 873 struct mtx dev_lock; /* protects everything else */ 874 #elif defined(__NetBSD__) 875 DRM_SPINTYPE vbl_lock; /* protects vblank operations */ 876 DRM_SPINTYPE dma_lock; /* protects dev->dma */ 877 DRM_SPINTYPE irq_lock; /* protects irq condition checks */ 878 DRM_SPINTYPE dev_lock; /* protects everything else */ 879 #endif 880 DRM_SPINTYPE drw_lock; 881 DRM_SPINTYPE tsk_lock; 882 883 /* Usage Counters */ 884 int open_count; /* Outstanding files open */ 885 int buf_use; /* Buffers in use -- cannot alloc */ 886 887 /* Performance counters */ 888 unsigned long counters; 889 drm_stat_type_t types[15]; 890 atomic_t counts[15]; 891 892 /* Authentication */ 893 drm_file_list_t files; 894 drm_magic_head_t magiclist[DRM_HASH_SIZE]; 895 896 /* Linked list of mappable regions. Protected by dev_lock */ 897 drm_map_list_t maplist; 898 899 drm_local_map_t **context_sareas; 900 int max_context; 901 902 drm_lock_data_t lock; /* Information on hardware lock */ 903 904 /* DMA queues (contexts) */ 905 drm_device_dma_t *dma; /* Optional pointer for DMA support */ 906 907 /* Context support */ 908 int irq; /* Interrupt used by board */ 909 int irq_enabled; /* True if the irq handler is enabled */ 910 #ifdef __FreeBSD__ 911 int irqrid; /* Interrupt used by board */ 912 struct resource *irqr; /* Resource for interrupt used by board */ 913 914 /* Storage of resource pointers for drm_get_resource_* */ 915 struct resource *pcir[DRM_MAX_PCI_RESOURCE]; 916 int pcirid[DRM_MAX_PCI_RESOURCE]; 917 918 #elif defined(__NetBSD__) || defined(__OpenBSD__) 919 struct pci_attach_args pa; 920 pci_map_data_t pci_map_data[DRM_MAX_PCI_RESOURCE]; 921 pci_map_data_t agp_map_data[DRM_MAX_PCI_RESOURCE]; 922 int unit; /* drm unit number */ 923 DRM_CDEV kdev; 924 #endif 925 void *irqh; /* Handle from bus_setup_intr */ 926 927 int pci_domain; 928 int pci_bus; 929 int pci_slot; 930 int pci_func; 931 932 atomic_t context_flag; /* Context swapping flag */ 933 int last_context; /* Last current context */ 934 int vblank_disable_allowed; 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 int *vblank_inmodeset; /* Display driver is setting mode */ 946 struct callout vblank_disable_timer; 947 u32 max_vblank_count; /* size of vblank counter register */ 948 int num_crtcs; 949 950 #ifdef __FreeBSD__ 951 struct sigio *buf_sigio; /* Processes waiting for SIGIO */ 952 #elif defined(__NetBSD__) 953 pid_t buf_pgid; 954 #endif 955 956 /* Sysctl support */ 957 struct drm_sysctl_info *sysctl; 958 959 drm_agp_head_t *agp; 960 drm_sg_mem_t *sg; /* Scatter gather memory */ 961 atomic_t *ctx_bitmap; 962 void *dev_private; 963 unsigned int agp_buffer_token; 964 drm_local_map_t *agp_buffer_map; 965 966 #ifdef __FreeBSD__ 967 struct unrhdr *drw_unrhdr; 968 #else 969 int drw_no; 970 #endif 971 /* RB tree of drawable infos */ 972 RB_HEAD(drawable_tree, bsd_drm_drawable_info) drw_head; 973 974 #ifdef __FreeBSD__ 975 struct task locked_task; 976 #endif 977 #ifdef __NetBSD__ 978 struct workqueue *locked_task; 979 #endif 980 void (*locked_task_call)(struct drm_device *dev); 981 }; 982 983 extern int drm_debug_flag; 984 985 /* Device setup support (drm_drv.c) */ 986 #ifdef __FreeBSD__ 987 int drm_probe(device_t nbdev, drm_pci_id_list_t *idlist); 988 int drm_attach(device_t nbdev, drm_pci_id_list_t *idlist); 989 int drm_detach(device_t nbdev); 990 d_ioctl_t drm_ioctl; 991 d_open_t drm_open; 992 d_close_t drm_close; 993 d_read_t drm_read; 994 d_poll_t drm_poll; 995 d_mmap_t drm_mmap; 996 #elif defined(__NetBSD__) || defined(__OpenBSD__) 997 int drm_probe(struct pci_attach_args *pa, drm_pci_id_list_t *idlist); 998 void drm_attach(struct device *kdev, struct pci_attach_args *pa, drm_pci_id_list_t *idlist); 999 #if defined(__NetBSD__) 1000 int drm_detach(struct device *self, int flags); 1001 int drm_activate(struct device *self, enum devact act); 1002 #endif 1003 dev_type_ioctl(drm_ioctl); 1004 dev_type_open(drm_open); 1005 dev_type_close(drm_close); 1006 dev_type_read(drm_read); 1007 dev_type_poll(drm_poll); 1008 dev_type_mmap(drm_mmap); 1009 #endif 1010 extern drm_local_map_t *drm_getsarea(struct drm_device *dev); 1011 1012 int drm_close_pid(drm_device_t *dev, drm_file_t *priv, pid_t pid); 1013 1014 /* File operations helpers (drm_fops.c) */ 1015 #ifdef __FreeBSD__ 1016 extern int drm_open_helper(struct cdev *kdev, int flags, int fmt, 1017 DRM_STRUCTPROC *p, 1018 struct drm_device *dev); 1019 extern drm_file_t *drm_find_file_by_proc(struct drm_device *dev, 1020 DRM_STRUCTPROC *p); 1021 #elif defined(__NetBSD__) || defined(__OpenBSD__) 1022 extern int drm_open_helper(DRM_CDEV kdev, int flags, int fmt, 1023 DRM_STRUCTPROC *p, drm_device_t *dev); 1024 extern drm_file_t *drm_find_file_by_proc(struct drm_device *dev, 1025 DRM_STRUCTPROC *p); 1026 #endif /* __NetBSD__ || __OpenBSD__ */ 1027 1028 /* Memory management support (drm_memory.c) */ 1029 void drm_mem_init(void); 1030 void drm_mem_uninit(void); 1031 void *drm_alloc(size_t size, int area); 1032 void *drm_calloc(size_t nmemb, size_t size, int area); 1033 void *drm_realloc(void *oldpt, size_t oldsize, size_t size, 1034 int area); 1035 void drm_free(void *pt, size_t size, int area); 1036 void *drm_ioremap(struct drm_device *dev, drm_local_map_t *map); 1037 void drm_ioremapfree(drm_local_map_t *map); 1038 #ifdef __FreeBSD__ 1039 int drm_mtrr_add(unsigned long offset, size_t size, int flags); 1040 int drm_mtrr_del(int handle, unsigned long offset, size_t size, int flags); 1041 #else 1042 #ifndef DRM_NO_MTRR 1043 int drm_mtrr_add(unsigned long offset, size_t size, int flags); 1044 int drm_mtrr_del(unsigned long offset, size_t size, int flags); 1045 #endif 1046 #endif /* !__FreeBSD__ */ 1047 1048 int drm_context_switch(struct drm_device *dev, int old, int new); 1049 int drm_context_switch_complete(struct drm_device *dev, int new); 1050 1051 int drm_ctxbitmap_init(struct drm_device *dev); 1052 void drm_ctxbitmap_cleanup(struct drm_device *dev); 1053 void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle); 1054 int drm_ctxbitmap_next(struct drm_device *dev); 1055 1056 /* Locking IOCTL support (drm_lock.c) */ 1057 int drm_lock_take(__volatile__ unsigned int *lock, 1058 unsigned int context); 1059 int drm_lock_transfer(struct drm_device *dev, 1060 __volatile__ unsigned int *lock, 1061 unsigned int context); 1062 int drm_lock_free(struct drm_device *dev, 1063 __volatile__ unsigned int *lock, 1064 unsigned int context); 1065 1066 /* Buffer management support (drm_bufs.c) */ 1067 unsigned long drm_get_resource_start(struct drm_device *dev, 1068 unsigned int resource); 1069 unsigned long drm_get_resource_len(struct drm_device *dev, 1070 unsigned int resource); 1071 void drm_rmmap(struct drm_device *dev, drm_local_map_t *map); 1072 int drm_order(unsigned long size); 1073 int drm_addmap(struct drm_device *dev, unsigned long offset, 1074 unsigned long size, 1075 drm_map_type_t type, drm_map_flags_t flags, 1076 drm_local_map_t **map_ptr); 1077 int drm_addbufs_pci(struct drm_device *dev, drm_buf_desc_t *request); 1078 int drm_addbufs_sg(struct drm_device *dev, drm_buf_desc_t *request); 1079 int drm_addbufs_agp(struct drm_device *dev, drm_buf_desc_t *request); 1080 1081 /* DMA support (drm_dma.c) */ 1082 int drm_dma_setup(struct drm_device *dev); 1083 void drm_dma_takedown(struct drm_device *dev); 1084 void drm_free_buffer(struct drm_device *dev, drm_buf_t *buf); 1085 void drm_reclaim_buffers(struct drm_device *dev, struct drm_file *file_priv); 1086 #define drm_core_reclaim_buffers drm_reclaim_buffers 1087 1088 /* IRQ support (drm_irq.c) */ 1089 int drm_irq_install(struct drm_device *dev); 1090 int drm_irq_uninstall(struct drm_device *dev); 1091 irqreturn_t drm_irq_handler(DRM_IRQ_ARGS); 1092 void drm_driver_irq_preinstall(struct drm_device *dev); 1093 void drm_driver_irq_postinstall(struct drm_device *dev); 1094 void drm_driver_irq_uninstall(struct drm_device *dev); 1095 void drm_handle_vblank(struct drm_device *dev, int crtc); 1096 u32 drm_vblank_count(struct drm_device *dev, int crtc); 1097 int drm_vblank_get(struct drm_device *dev, int crtc); 1098 void drm_vblank_put(struct drm_device *dev, int crtc); 1099 int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq); 1100 int drm_vblank_init(struct drm_device *dev, int num_crtcs); 1101 void drm_vbl_send_signals(struct drm_device *dev, int crtc); 1102 int drm_modeset_ctl(struct drm_device *dev, void *data, 1103 struct drm_file *file_priv); 1104 1105 /* AGP/PCI Express/GART support (drm_agpsupport.c) */ 1106 int drm_device_is_agp(struct drm_device *dev); 1107 int drm_device_is_pcie(struct drm_device *dev); 1108 #ifdef __NetBSD__ 1109 drm_agp_head_t *drm_agp_init(drm_device_t *dev); 1110 #else 1111 drm_agp_head_t *drm_agp_init(void); 1112 #endif 1113 int drm_agp_acquire(struct drm_device *dev); 1114 int drm_agp_release(struct drm_device *dev); 1115 int drm_agp_info(struct drm_device * dev, drm_agp_info_t *info); 1116 int drm_agp_enable(struct drm_device *dev, drm_agp_mode_t mode); 1117 void *drm_agp_allocate_memory(size_t pages, u32 type); 1118 int drm_agp_free_memory(void *handle); 1119 int drm_agp_bind_memory(void *handle, off_t start); 1120 int drm_agp_unbind_memory(void *handle); 1121 int drm_agp_alloc(struct drm_device *dev, drm_agp_buffer_t *request); 1122 int drm_agp_free(struct drm_device *dev, drm_agp_buffer_t *request); 1123 int drm_agp_bind(struct drm_device *dev, drm_agp_binding_t *request); 1124 int drm_agp_unbind(struct drm_device *dev, drm_agp_binding_t *request); 1125 1126 /* Scatter Gather Support (drm_scatter.c) */ 1127 void drm_sg_cleanup(drm_sg_mem_t *entry); 1128 int drm_sg_alloc(struct drm_device *dev, drm_scatter_gather_t * request); 1129 1130 #if defined(__FreeBSD__) || defined(__NetBSD__) 1131 /* sysctl support (drm_sysctl.h) */ 1132 extern int drm_sysctl_init(struct drm_device *dev); 1133 extern int drm_sysctl_cleanup(struct drm_device *dev); 1134 #endif /* __FreeBSD__ */ 1135 1136 /* ATI PCIGART support (ati_pcigart.c) */ 1137 int drm_ati_pcigart_init(struct drm_device *dev, 1138 struct drm_ati_pcigart_info *gart_info); 1139 int drm_ati_pcigart_cleanup(struct drm_device *dev, 1140 struct drm_ati_pcigart_info *gart_info); 1141 1142 /* Locking IOCTL support (drm_drv.c) */ 1143 int drm_lock(struct drm_device *dev, void *data, 1144 struct drm_file *file_priv); 1145 int drm_unlock(struct drm_device *dev, void *data, 1146 struct drm_file *file_priv); 1147 int drm_version(struct drm_device *dev, void *data, 1148 struct drm_file *file_priv); 1149 int drm_setversion(struct drm_device *dev, void *data, 1150 struct drm_file *file_priv); 1151 1152 /* Misc. IOCTL support (drm_ioctl.c) */ 1153 int drm_irq_by_busid(struct drm_device *dev, void *data, 1154 struct drm_file *file_priv); 1155 int drm_getunique(struct drm_device *dev, void *data, 1156 struct drm_file *file_priv); 1157 int drm_setunique(struct drm_device *dev, void *data, 1158 struct drm_file *file_priv); 1159 int drm_getmap(struct drm_device *dev, void *data, 1160 struct drm_file *file_priv); 1161 int drm_getclient(struct drm_device *dev, void *data, 1162 struct drm_file *file_priv); 1163 int drm_getstats(struct drm_device *dev, void *data, 1164 struct drm_file *file_priv); 1165 int drm_noop(struct drm_device *dev, void *data, 1166 struct drm_file *file_priv); 1167 1168 /* Context IOCTL support (drm_context.c) */ 1169 int drm_resctx(struct drm_device *dev, void *data, 1170 struct drm_file *file_priv); 1171 int drm_addctx(struct drm_device *dev, void *data, 1172 struct drm_file *file_priv); 1173 int drm_modctx(struct drm_device *dev, void *data, 1174 struct drm_file *file_priv); 1175 int drm_getctx(struct drm_device *dev, void *data, 1176 struct drm_file *file_priv); 1177 int drm_switchctx(struct drm_device *dev, void *data, 1178 struct drm_file *file_priv); 1179 int drm_newctx(struct drm_device *dev, void *data, 1180 struct drm_file *file_priv); 1181 int drm_rmctx(struct drm_device *dev, void *data, 1182 struct drm_file *file_priv); 1183 int drm_setsareactx(struct drm_device *dev, void *data, 1184 struct drm_file *file_priv); 1185 int drm_getsareactx(struct drm_device *dev, void *data, 1186 struct drm_file *file_priv); 1187 1188 /* Drawable IOCTL support (drm_drawable.c) */ 1189 int drm_adddraw(struct drm_device *dev, void *data, 1190 struct drm_file *file_priv); 1191 int drm_rmdraw(struct drm_device *dev, void *data, 1192 struct drm_file *file_priv); 1193 int drm_update_draw(struct drm_device *dev, void *data, 1194 struct drm_file *file_priv); 1195 struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev, 1196 int handle); 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_ioctl(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, struct drm_file *file_priv); 1225 int drm_wait_vblank(struct drm_device *dev, void *data, 1226 struct drm_file *file_priv); 1227 void drm_locked_tasklet(struct drm_device *dev, 1228 void (*tasklet)(struct drm_device *dev)); 1229 1230 /* AGP/GART support (drm_agpsupport.c) */ 1231 int drm_agp_acquire_ioctl(struct drm_device *dev, void *data, 1232 struct drm_file *file_priv); 1233 int drm_agp_release_ioctl(struct drm_device *dev, void *data, 1234 struct drm_file *file_priv); 1235 int drm_agp_enable_ioctl(struct drm_device *dev, void *data, 1236 struct drm_file *file_priv); 1237 int drm_agp_info_ioctl(struct drm_device *dev, void *data, 1238 struct drm_file *file_priv); 1239 int drm_agp_alloc_ioctl(struct drm_device *dev, void *data, 1240 struct drm_file *file_priv); 1241 int drm_agp_free_ioctl(struct drm_device *dev, void *data, 1242 struct drm_file *file_priv); 1243 int drm_agp_unbind_ioctl(struct drm_device *dev, void *data, 1244 struct drm_file *file_priv); 1245 int drm_agp_bind_ioctl(struct drm_device *dev, void *data, 1246 struct drm_file *file_priv); 1247 1248 /* Scatter Gather Support (drm_scatter.c) */ 1249 int drm_sg_alloc_ioctl(struct drm_device *dev, void *data, 1250 struct drm_file *file_priv); 1251 int drm_sg_free(struct drm_device *dev, void *data, 1252 struct drm_file *file_priv); 1253 1254 /* consistent PCI memory functions (drm_pci.c) */ 1255 drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size, 1256 size_t align, dma_addr_t maxaddr); 1257 void drm_pci_free(struct drm_device *dev, drm_dma_handle_t *dmah); 1258 1259 #define drm_core_ioremap_wc drm_core_ioremap 1260 1261 /* Inline replacements for DRM_IOREMAP macros */ 1262 static __inline__ void 1263 drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev) 1264 { 1265 map->handle = drm_ioremap(dev, map); 1266 } 1267 static __inline__ void 1268 drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev) 1269 { 1270 if ( map->handle && map->size ) 1271 drm_ioremapfree(map); 1272 } 1273 1274 static __inline__ struct drm_local_map * 1275 drm_core_findmap(struct drm_device *dev, unsigned long offset) 1276 { 1277 drm_local_map_t *map; 1278 1279 DRM_SPINLOCK_ASSERT(&dev->dev_lock); 1280 TAILQ_FOREACH(map, &dev->maplist, link) { 1281 if (map->offset == offset) 1282 return map; 1283 } 1284 return NULL; 1285 } 1286 1287 static __inline__ void drm_core_dropmap(struct drm_map *map) 1288 { 1289 } 1290 1291 #endif /* __KERNEL__ */ 1292 #endif /* _DRM_P_H_ */ 1293
Indexes created Thu Oct 02 14:10:14 GMT 2025