1 /* 2 * drmP.h -- Private header for Direct Rendering Manager -*- linux-c -*- 3 * Created: Mon Jan 4 10:05:05 1999 by faith@precisioninsight.com 4 */ 5 /* 6 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. 7 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. 8 * All rights reserved. 9 * 10 * Permission is hereby granted, free of charge, to any person obtaining a 11 * copy of this software and associated documentation files (the "Software"), 12 * to deal in the Software without restriction, including without limitation 13 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 14 * and/or sell copies of the Software, and to permit persons to whom the 15 * Software is furnished to do so, subject to the following conditions: 16 * 17 * The above copyright notice and this permission notice (including the next 18 * paragraph) shall be included in all copies or substantial portions of the 19 * Software. 20 * 21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 22 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 23 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 24 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 25 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 26 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 27 * OTHER DEALINGS IN THE SOFTWARE. 28 * 29 * Authors: 30 * Rickard E. (Rik) Faith <faith@valinux.com> 31 * Gareth Hughes <gareth@valinux.com> 32 * 33 */ 34 35 /* 36 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 37 * Use is subject to license terms. 38 */ 39 40 #ifndef _DRMP_H 41 #define _DRMP_H 42 43 #pragma ident "%Z%%M% %I% %E% SMI" 44 45 #include <sys/types.h> 46 #include <sys/conf.h> 47 #include <sys/modctl.h> 48 #include <sys/stat.h> 49 #include <sys/file.h> 50 #include <sys/cmn_err.h> 51 #include <sys/varargs.h> 52 #include <sys/pci.h> 53 #include <sys/ddi.h> 54 #include <sys/sunddi.h> 55 #include <sys/sunldi.h> 56 #include <sys/pmem.h> 57 #include <sys/agpgart.h> 58 #include <sys/time.h> 59 #include "drm_atomic.h" 60 #include "drm.h" 61 #include "queue.h" 62 #include "drm_linux_list.h" 63 64 #ifndef __inline__ 65 #define __inline__ inline 66 #endif 67 68 #if !defined(__FUNCTION__) && defined(C99) 69 #define __FUNCTION__ __func__ 70 #else 71 #define __FUNCTION__ " " 72 #endif 73 74 /* DRM space units */ 75 #define DRM_PAGE_SHIFT PAGESHIFT 76 #define DRM_PAGE_SIZE (1 << DRM_PAGE_SHIFT) 77 #define DRM_PAGE_OFFSET (DRM_PAGE_SIZE - 1) 78 #define DRM_PAGE_MASK ~(DRM_PAGE_SIZE - 1) 79 #define DRM_MB2PAGES(x) ((x) << 8) 80 #define DRM_PAGES2BYTES(x) ((x) << DRM_PAGE_SHIFT) 81 #define DRM_BYTES2PAGES(x) ((x) >> DRM_PAGE_SHIFT) 82 #define DRM_PAGES2KB(x) ((x) << 2) 83 #define DRM_ALIGNED(offset) (((offset) & DRM_PAGE_OFFSET) == 0) 84 85 #define PAGE_SHIFT DRM_PAGE_SHIFT 86 #define PAGE_SIZE DRM_PAGE_SIZE 87 88 #define DRM_MAX_INSTANCES 8 89 #define DRM_DEVNODE "drm" 90 #define DRM_UNOPENED 0 91 #define DRM_OPENED 1 92 93 #define DRM_HASH_SIZE 16 /* Size of key hash table */ 94 #define DRM_KERNEL_CONTEXT 0 /* Change drm_resctx if changed */ 95 #define DRM_RESERVED_CONTEXTS 1 /* Change drm_resctx if changed */ 96 97 #define DRM_MEM_DMA 0 98 #define DRM_MEM_SAREA 1 99 #define DRM_MEM_DRIVER 2 100 #define DRM_MEM_MAGIC 3 101 #define DRM_MEM_IOCTLS 4 102 #define DRM_MEM_MAPS 5 103 #define DRM_MEM_BUFS 6 104 #define DRM_MEM_SEGS 7 105 #define DRM_MEM_PAGES 8 106 #define DRM_MEM_FILES 9 107 #define DRM_MEM_QUEUES 10 108 #define DRM_MEM_CMDS 11 109 #define DRM_MEM_MAPPINGS 12 110 #define DRM_MEM_BUFLISTS 13 111 #define DRM_MEM_DRMLISTS 14 112 #define DRM_MEM_TOTALDRM 15 113 #define DRM_MEM_BOUNDDRM 16 114 #define DRM_MEM_CTXBITMAP 17 115 #define DRM_MEM_STUB 18 116 #define DRM_MEM_SGLISTS 19 117 #define DRM_MEM_AGPLISTS 20 118 #define DRM_MEM_CTXLIST 21 119 #define DRM_MEM_MM 22 120 #define DRM_MEM_HASHTAB 23 121 #define DRM_MEM_OBJECTS 24 122 123 #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) 124 #define DRM_MAP_HASH_OFFSET 0x10000000 125 #define DRM_MAP_HASH_ORDER 12 126 #define DRM_OBJECT_HASH_ORDER 12 127 #define DRM_FILE_PAGE_OFFSET_START ((0xFFFFFFFFUL >> PAGE_SHIFT) + 1) 128 #define DRM_FILE_PAGE_OFFSET_SIZE ((0xFFFFFFFFUL >> PAGE_SHIFT) * 16) 129 #define DRM_MM_INIT_MAX_PAGES 256 130 131 132 /* Internal types and structures */ 133 #define DRM_ARRAY_SIZE(x) (sizeof (x) / sizeof (x[0])) 134 #define DRM_MIN(a, b) ((a) < (b) ? (a) : (b)) 135 #define DRM_MAX(a, b) ((a) > (b) ? (a) : (b)) 136 137 #define DRM_IF_VERSION(maj, min) (maj << 16 | min) 138 139 #define __OS_HAS_AGP 1 140 141 #define DRM_DEV_MOD (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP) 142 #define DRM_DEV_UID 0 143 #define DRM_DEV_GID 0 144 145 #define DRM_CURRENTPID ddi_get_pid() 146 #define DRM_SPINLOCK(l) mutex_enter(l) 147 #define DRM_SPINUNLOCK(u) mutex_exit(u) 148 #define DRM_SPINLOCK_ASSERT(l) 149 #define DRM_LOCK() mutex_enter(&dev->dev_lock) 150 #define DRM_UNLOCK() mutex_exit(&dev->dev_lock) 151 #define DRM_LOCK_OWNED() ASSERT(mutex_owned(&dev->dev_lock)) 152 #define spin_lock_irqsave(l, flag) mutex_enter(l) 153 #define spin_unlock_irqrestore(u, flag) mutex_exit(u) 154 #define spin_lock(l) mutex_enter(l) 155 #define spin_unlock(u) mutex_exit(u) 156 157 #define DRM_UDELAY(sec) delay(drv_usectohz(sec *1000)) 158 #define DRM_MEMORYBARRIER() 159 160 typedef struct drm_file drm_file_t; 161 typedef struct drm_device drm_device_t; 162 typedef struct drm_driver_info drm_driver_t; 163 164 #define DRM_DEVICE drm_device_t *dev = dev1 165 #define DRM_IOCTL_ARGS \ 166 drm_device_t *dev1, intptr_t data, drm_file_t *fpriv, int mode 167 168 #define DRM_COPYFROM_WITH_RETURN(dest, src, size) \ 169 if (ddi_copyin(src, dest, size, 0)) \ 170 return (EFAULT) 171 172 #define DRM_COPYTO_WITH_RETURN(dest, src, size) \ 173 if (ddi_copyout((src), (dest), (size), 0)) \ 174 return (EFAULT) 175 176 #define DRM_COPY_FROM_USER(dest, src, size) \ 177 ddi_copyin((src), (dest), (size), 0) /* flag for src */ 178 179 #define DRM_COPY_TO_USER(dest, src, size) \ 180 ddi_copyout((src), (dest), (size), 0) /* flags for dest */ 181 182 #define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \ 183 ddi_copyin((arg2), (arg1), (arg3), 0) 184 185 #define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \ 186 ddi_copyout((arg2), arg1, arg3, 0) 187 188 #define DRM_READ8(map, offset) \ 189 *(uint8_t *)((uintptr_t)((map)->dev_addr) + (offset)) 190 #define DRM_READ16(map, offset) \ 191 *(uint16_t *)((uintptr_t)((map)->dev_addr) + (offset)) 192 #define DRM_READ32(map, offset) \ 193 *(uint32_t *)((uintptr_t)((map)->dev_addr) + (offset)) 194 #define DRM_WRITE8(map, offset, val) \ 195 *(uint8_t *)((uintptr_t)((map)->dev_addr) + (offset)) = (val) 196 #define DRM_WRITE16(map, offset, val) \ 197 *(uint16_t *)((uintptr_t)((map)->dev_addr) + (offset)) = (val) 198 #define DRM_WRITE32(map, offset, val) \ 199 *(uint32_t *)((uintptr_t)((map)->dev_addr) + (offset)) = (val) 200 201 typedef struct drm_wait_queue { 202 kcondvar_t cv; 203 kmutex_t lock; 204 }wait_queue_head_t; 205 206 #define DRM_INIT_WAITQUEUE(q, pri) \ 207 { \ 208 mutex_init(&(q)->lock, NULL, MUTEX_DRIVER, pri); \ 209 cv_init(&(q)->cv, NULL, CV_DRIVER, NULL); \ 210 } 211 212 #define DRM_FINI_WAITQUEUE(q) \ 213 { \ 214 mutex_destroy(&(q)->lock); \ 215 cv_destroy(&(q)->cv); \ 216 } 217 218 #define DRM_WAKEUP(q) \ 219 { \ 220 mutex_enter(&(q)->lock); \ 221 cv_broadcast(&(q)->cv); \ 222 mutex_exit(&(q)->lock); \ 223 } 224 225 #define jiffies ddi_get_lbolt() 226 #define DRM_WAIT_ON(ret, q, timeout, condition) \ 227 mutex_enter(&(q)->lock); \ 228 while (!(condition)) { \ 229 ret = cv_timedwait_sig(&(q)->cv, &(q)->lock, jiffies + timeout); \ 230 if (ret == -1) { \ 231 ret = EBUSY; \ 232 break; \ 233 } else if (ret == 0) { \ 234 ret = EINTR; \ 235 break; \ 236 } else { \ 237 ret = 0; \ 238 } \ 239 } \ 240 mutex_exit(&(q)->lock); 241 242 #define DRM_GETSAREA() \ 243 { \ 244 drm_local_map_t *map; \ 245 DRM_SPINLOCK_ASSERT(&dev->dev_lock); \ 246 TAILQ_FOREACH(map, &dev->maplist, link) { \ 247 if (map->type == _DRM_SHM && \ 248 map->flags & _DRM_CONTAINS_LOCK) { \ 249 dev_priv->sarea = map; \ 250 break; \ 251 } \ 252 } \ 253 } 254 255 #define LOCK_TEST_WITH_RETURN(dev, fpriv) \ 256 if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \ 257 dev->lock.filp != fpriv) { \ 258 DRM_ERROR("called without lock held"); \ 259 return (EINVAL); \ 260 } 261 262 #define DRM_IRQ_ARGS caddr_t arg 263 #define IRQ_HANDLED DDI_INTR_CLAIMED 264 #define IRQ_NONE DDI_INTR_UNCLAIMED 265 266 enum { 267 DRM_IS_NOT_AGP, 268 DRM_IS_AGP, 269 DRM_MIGHT_BE_AGP 270 }; 271 272 /* Capabilities taken from src/sys/dev/pci/pcireg.h. */ 273 #ifndef PCIY_AGP 274 #define PCIY_AGP 0x02 275 #endif 276 277 #ifndef PCIY_EXPRESS 278 #define PCIY_EXPRESS 0x10 279 #endif 280 281 #define PAGE_ALIGN(addr) (((addr) + DRM_PAGE_SIZE - 1) & DRM_PAGE_MASK) 282 #define DRM_SUSER(p) (crgetgid(p) == 0 || crgetuid(p) == 0) 283 284 /* 285 * wait for 400 milliseconds 286 */ 287 #define DRM_HZ drv_usectohz(400000) 288 289 typedef unsigned long dma_addr_t; 290 typedef uint64_t u64; 291 typedef uint32_t u32; 292 typedef uint16_t u16; 293 typedef uint8_t u8; 294 typedef uint_t irqreturn_t; 295 296 #define DRM_SUPPORT 1 297 #define DRM_UNSUPPORT 0 298 299 #define __OS_HAS_AGP 1 300 301 #define __offsetof(type, field) ((size_t)(&((type *)0)->field)) 302 #define offsetof(type, field) __offsetof(type, field) 303 304 typedef struct drm_pci_id_list 305 { 306 int vendor; 307 int device; 308 long driver_private; 309 char *name; 310 } drm_pci_id_list_t; 311 312 #define DRM_AUTH 0x1 313 #define DRM_MASTER 0x2 314 #define DRM_ROOT_ONLY 0x4 315 typedef int drm_ioctl_t(DRM_IOCTL_ARGS); 316 typedef struct drm_ioctl_desc { 317 int (*func)(DRM_IOCTL_ARGS); 318 int auth_needed; 319 int root_only; 320 char *desc; 321 int flags; 322 } drm_ioctl_desc_t; 323 324 typedef struct drm_magic_entry { 325 drm_magic_t magic; 326 struct drm_file *priv; 327 struct drm_magic_entry *next; 328 } drm_magic_entry_t; 329 330 typedef struct drm_magic_head { 331 struct drm_magic_entry *head; 332 struct drm_magic_entry *tail; 333 } drm_magic_head_t; 334 335 typedef struct drm_buf { 336 int idx; /* Index into master buflist */ 337 int total; /* Buffer size */ 338 int order; /* log-base-2(total) */ 339 int used; /* Amount of buffer in use (for DMA) */ 340 unsigned long offset; /* Byte offset (used internally) */ 341 void *address; /* Address of buffer */ 342 unsigned long bus_address; /* Bus address of buffer */ 343 struct drm_buf *next; /* Kernel-only: used for free list */ 344 volatile int pending; /* On hardware DMA queue */ 345 drm_file_t *filp; 346 /* Uniq. identifier of holding process */ 347 int context; /* Kernel queue for this buffer */ 348 enum { 349 DRM_LIST_NONE = 0, 350 DRM_LIST_FREE = 1, 351 DRM_LIST_WAIT = 2, 352 DRM_LIST_PEND = 3, 353 DRM_LIST_PRIO = 4, 354 DRM_LIST_RECLAIM = 5 355 } list; /* Which list we're on */ 356 357 int dev_priv_size; /* Size of buffer private stoarge */ 358 void *dev_private; /* Per-buffer private storage */ 359 } drm_buf_t; 360 361 typedef struct drm_freelist { 362 int initialized; /* Freelist in use */ 363 uint32_t count; /* Number of free buffers */ 364 drm_buf_t *next; /* End pointer */ 365 366 int low_mark; /* Low water mark */ 367 int high_mark; /* High water mark */ 368 } drm_freelist_t; 369 370 typedef struct drm_buf_entry { 371 int buf_size; 372 int buf_count; 373 drm_buf_t *buflist; 374 int seg_count; 375 int page_order; 376 377 uint32_t *seglist; 378 unsigned long *seglist_bus; 379 380 drm_freelist_t freelist; 381 } drm_buf_entry_t; 382 383 typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t; 384 struct drm_file { 385 TAILQ_ENTRY(drm_file) link; 386 int authenticated; 387 int master; 388 int minor; 389 pid_t pid; 390 uid_t uid; 391 int refs; 392 drm_magic_t magic; 393 unsigned long ioctl_count; 394 void *driver_priv; 395 }; 396 397 typedef struct drm_lock_data { 398 drm_hw_lock_t *hw_lock; /* Hardware lock */ 399 drm_file_t *filp; 400 /* Uniq. identifier of holding process */ 401 kcondvar_t lock_cv; /* lock queue - SOLARIS Specific */ 402 kmutex_t lock_mutex; /* lock - SOLARIS Specific */ 403 unsigned long lock_time; /* Time of last lock in jiffies */ 404 } drm_lock_data_t; 405 406 /* 407 * This structure, in drm_device_t, is always initialized while the device 408 * is open. dev->dma_lock protects the incrementing of dev->buf_use, which 409 * when set marks that no further bufs may be allocated until device teardown 410 * occurs (when the last open of the device has closed). The high/low 411 * watermarks of bufs are only touched by the X Server, and thus not 412 * concurrently accessed, so no locking is needed. 413 */ 414 typedef struct drm_device_dma { 415 drm_buf_entry_t bufs[DRM_MAX_ORDER+1]; 416 int buf_count; 417 drm_buf_t **buflist; /* Vector of pointers info bufs */ 418 int seg_count; 419 int page_count; 420 unsigned long *pagelist; 421 unsigned long byte_count; 422 enum { 423 _DRM_DMA_USE_AGP = 0x01, 424 _DRM_DMA_USE_SG = 0x02 425 } flags; 426 } drm_device_dma_t; 427 428 typedef struct drm_agp_mem { 429 void *handle; 430 unsigned long bound; /* address */ 431 int pages; 432 caddr_t phys_addr; 433 struct drm_agp_mem *prev; 434 struct drm_agp_mem *next; 435 } drm_agp_mem_t; 436 437 typedef struct drm_agp_head { 438 agp_info_t agp_info; 439 const char *chipset; 440 drm_agp_mem_t *memory; 441 unsigned long mode; 442 int enabled; 443 int acquired; 444 unsigned long base; 445 int mtrr; 446 int cant_use_aperture; 447 unsigned long page_mask; 448 ldi_ident_t agpgart_li; 449 ldi_handle_t agpgart_lh; 450 } drm_agp_head_t; 451 452 453 typedef struct drm_dma_handle { 454 ddi_dma_handle_t dma_hdl; 455 ddi_acc_handle_t acc_hdl; 456 ddi_dma_cookie_t cookie; 457 uint_t cookie_num; 458 uintptr_t vaddr; /* virtual addr */ 459 uintptr_t paddr; /* physical addr */ 460 size_t req_sz; /* required size of memory */ 461 size_t real_sz; /* real size of memory */ 462 } drm_dma_handle_t; 463 464 typedef struct drm_sg_mem { 465 unsigned long handle; 466 void *virtual; 467 int pages; 468 dma_addr_t *busaddr; 469 ddi_umem_cookie_t *umem_cookie; 470 drm_dma_handle_t *dmah_sg; 471 drm_dma_handle_t *dmah_gart; /* Handle to PCI memory */ 472 } drm_sg_mem_t; 473 474 typedef TAILQ_HEAD(drm_map_list, drm_local_map) drm_map_list_t; 475 476 /* BEGIN CSTYLED */ 477 typedef struct drm_local_map { 478 unsigned long offset; /* Physical address (0 for SAREA) */ 479 unsigned long size; /* Physical size (bytes) */ 480 drm_map_type_t type; /* Type of memory mapped */ 481 drm_map_flags_t flags; /* Flags */ 482 void *handle; /* User-space: "Handle" to pass to mmap */ 483 /* Kernel-space: kernel-virtual address */ 484 int mtrr; /* Boolean: MTRR used */ 485 /* Private data */ 486 int rid; /* PCI resource ID for bus_space */ 487 int kernel_owned; /* Boolean: 1= initmapped, 0= addmapped */ 488 caddr_t dev_addr; /* base device address */ 489 ddi_acc_handle_t dev_handle; /* The data access handle */ 490 ddi_umem_cookie_t drm_umem_cookie; /* For SAREA alloc and free */ 491 TAILQ_ENTRY(drm_local_map) link; 492 } drm_local_map_t; 493 /* END CSTYLED */ 494 495 typedef TAILQ_HEAD(drm_vbl_sig_list, drm_vbl_sig) drm_vbl_sig_list_t; 496 typedef struct drm_vbl_sig { 497 TAILQ_ENTRY(drm_vbl_sig) link; 498 unsigned int sequence; 499 int signo; 500 int pid; 501 } drm_vbl_sig_t; 502 503 504 /* used for clone device */ 505 typedef TAILQ_HEAD(drm_cminor_list, drm_cminor) drm_cminor_list_t; 506 typedef struct drm_cminor { 507 TAILQ_ENTRY(drm_cminor) link; 508 drm_file_t *fpriv; 509 int minor; 510 } drm_cminor_t; 511 512 /* location of GART table */ 513 #define DRM_ATI_GART_MAIN 1 514 #define DRM_ATI_GART_FB 2 515 516 typedef struct ati_pcigart_info { 517 int gart_table_location; 518 int is_pcie; 519 void *addr; 520 dma_addr_t bus_addr; 521 drm_local_map_t mapping; 522 } drm_ati_pcigart_info; 523 524 525 526 /* DRM device structure */ 527 struct drm_device; 528 struct drm_driver_info { 529 int (*load)(struct drm_device *, unsigned long); 530 int (*firstopen)(struct drm_device *); 531 int (*open)(struct drm_device *, drm_file_t *); 532 void (*preclose)(struct drm_device *, drm_file_t *); 533 void (*postclose)(struct drm_device *, drm_file_t *); 534 void (*lastclose)(struct drm_device *); 535 int (*unload)(struct drm_device *); 536 void (*reclaim_buffers_locked)(struct drm_device *, drm_file_t *); 537 int (*presetup)(struct drm_device *); 538 int (*postsetup)(struct drm_device *); 539 int (*open_helper)(struct drm_device *, drm_file_t *); 540 void (*free_filp_priv)(struct drm_device *, drm_file_t *); 541 void (*release)(struct drm_device *, void *); 542 int (*dma_ioctl)(DRM_IOCTL_ARGS); 543 void (*dma_ready)(struct drm_device *); 544 int (*dma_quiescent)(struct drm_device *); 545 int (*dma_flush_block_and_flush)(struct drm_device *, 546 int, drm_lock_flags_t); 547 int (*dma_flush_unblock)(struct drm_device *, int, 548 drm_lock_flags_t); 549 int (*context_ctor)(struct drm_device *, int); 550 int (*context_dtor)(struct drm_device *, int); 551 int (*kernel_context_switch)(struct drm_device *, int, int); 552 int (*kernel_context_switch_unlock)(struct drm_device *); 553 int (*device_is_agp) (struct drm_device *); 554 void (*irq_preinstall)(struct drm_device *); 555 void (*irq_postinstall)(struct drm_device *); 556 void (*irq_uninstall)(struct drm_device *dev); 557 uint_t (*irq_handler)(DRM_IRQ_ARGS); 558 int (*vblank_wait)(struct drm_device *, unsigned int *); 559 int (*vblank_wait2)(struct drm_device *, unsigned int *); 560 561 drm_ioctl_desc_t *driver_ioctls; 562 int max_driver_ioctl; 563 564 int buf_priv_size; 565 int driver_major; 566 int driver_minor; 567 int driver_patchlevel; 568 const char *driver_name; /* Simple driver name */ 569 const char *driver_desc; /* Longer driver name */ 570 const char *driver_date; /* Date of last major changes. */ 571 572 unsigned use_agp :1; 573 unsigned require_agp :1; 574 unsigned use_sg :1; 575 unsigned use_dma :1; 576 unsigned use_pci_dma :1; 577 unsigned use_dma_queue :1; 578 unsigned use_irq :1; 579 unsigned use_vbl_irq :1; 580 unsigned use_vbl_irq2 :1; 581 unsigned use_mtrr :1; 582 }; 583 584 585 /* 586 * hardware-specific code needs to initialize mutexes which 587 * can be used in interrupt context, so they need to know 588 * the interrupt priority. Interrupt cookie in drm_device 589 * structure is the intr_block field. 590 */ 591 #define DRM_INTR_PRI(dev) \ 592 DDI_INTR_PRI((dev)->intr_block) 593 594 struct drm_device { 595 drm_driver_t *driver; 596 drm_cminor_list_t minordevs; 597 dev_info_t *dip; 598 void *drm_handle; 599 int drm_supported; 600 const char *desc; /* current driver description */ 601 kmutex_t *irq_mutex; 602 kcondvar_t *irq_cv; 603 604 ddi_iblock_cookie_t intr_block; 605 uint32_t pci_device; /* PCI device id */ 606 uint32_t pci_vendor; 607 char *unique; /* Unique identifier: e.g., busid */ 608 int unique_len; /* Length of unique field */ 609 int if_version; /* Highest interface version set */ 610 int flags; /* Flags to open(2) */ 611 612 /* Locks */ 613 kmutex_t dma_lock; /* protects dev->dma */ 614 kmutex_t irq_lock; /* protects irq condition checks */ 615 kmutex_t dev_lock; /* protects everything else */ 616 drm_lock_data_t lock; /* Information on hardware lock */ 617 618 /* Usage Counters */ 619 int open_count; /* Outstanding files open */ 620 int buf_use; /* Buffers in use -- cannot alloc */ 621 622 /* Performance counters */ 623 unsigned long counters; 624 drm_stat_type_t types[15]; 625 uint32_t counts[15]; 626 627 /* Authentication */ 628 drm_file_list_t files; 629 drm_magic_head_t magiclist[DRM_HASH_SIZE]; 630 631 /* Linked list of mappable regions. Protected by dev_lock */ 632 drm_map_list_t maplist; 633 634 drm_local_map_t **context_sareas; 635 int max_context; 636 637 /* DMA queues (contexts) */ 638 drm_device_dma_t *dma; /* Optional pointer for DMA support */ 639 640 /* Context support */ 641 int irq; /* Interrupt used by board */ 642 int irq_enabled; /* True if the irq handler is enabled */ 643 int pci_domain; 644 int pci_bus; 645 int pci_slot; 646 int pci_func; 647 atomic_t context_flag; /* Context swapping flag */ 648 int last_context; /* Last current context */ 649 650 atomic_t vbl_received; 651 atomic_t vbl_received2; 652 drm_vbl_sig_list_t vbl_sig_list; 653 drm_vbl_sig_list_t vbl_sig_list2; 654 wait_queue_head_t vbl_queue; /* vbl wait channel */ 655 656 kmutex_t tasklet_lock; 657 void (*locked_tasklet_func)(struct drm_device *dev); 658 659 pid_t buf_pgid; 660 drm_agp_head_t *agp; 661 drm_sg_mem_t *sg; /* Scatter gather memory */ 662 uint32_t *ctx_bitmap; 663 void *dev_private; 664 unsigned int agp_buffer_token; 665 drm_local_map_t *agp_buffer_map; 666 667 kstat_t *asoft_ksp; /* kstat support */ 668 669 /* name Drawable information */ 670 kmutex_t drw_lock; 671 unsigned int drw_bitfield_length; 672 u32 *drw_bitfield; 673 unsigned int drw_info_length; 674 drm_drawable_info_t **drw_info; 675 }; 676 677 /* Memory management support (drm_memory.c) */ 678 void drm_mem_init(void); 679 void drm_mem_uninit(void); 680 void *drm_alloc(size_t, int); 681 void *drm_calloc(size_t, size_t, int); 682 void *drm_realloc(void *, size_t, size_t, int); 683 void drm_free(void *, size_t, int); 684 int drm_ioremap(drm_device_t *, drm_local_map_t *); 685 void drm_ioremapfree(drm_local_map_t *); 686 687 void drm_core_ioremap(struct drm_local_map *, struct drm_device *); 688 void drm_core_ioremapfree(struct drm_local_map *, struct drm_device *); 689 690 void drm_pci_free(drm_device_t *, drm_dma_handle_t *); 691 void *drm_pci_alloc(drm_device_t *, size_t, size_t, dma_addr_t, int); 692 693 struct drm_local_map *drm_core_findmap(struct drm_device *, unsigned long); 694 695 int drm_context_switch(drm_device_t *, int, int); 696 int drm_context_switch_complete(drm_device_t *, int); 697 int drm_ctxbitmap_init(drm_device_t *); 698 void drm_ctxbitmap_cleanup(drm_device_t *); 699 void drm_ctxbitmap_free(drm_device_t *, int); 700 int drm_ctxbitmap_next(drm_device_t *); 701 702 /* Locking IOCTL support (drm_lock.c) */ 703 int drm_lock_take(drm_lock_data_t *, unsigned int); 704 int drm_lock_transfer(drm_device_t *, 705 volatile unsigned int *, unsigned int); 706 int drm_lock_free(drm_device_t *, 707 volatile unsigned int *, unsigned int); 708 709 /* Buffer management support (drm_bufs.c) */ 710 unsigned long drm_get_resource_start(drm_device_t *, unsigned int); 711 unsigned long drm_get_resource_len(drm_device_t *, unsigned int); 712 int drm_initmap(drm_device_t *, unsigned long, unsigned long, 713 unsigned int, int, int); 714 void drm_rmmap(drm_device_t *, drm_local_map_t *); 715 int drm_addmap(drm_device_t *, unsigned long, unsigned long, 716 drm_map_type_t, drm_map_flags_t, drm_local_map_t **); 717 int drm_order(unsigned long); 718 719 /* DMA support (drm_dma.c) */ 720 int drm_dma_setup(drm_device_t *); 721 void drm_dma_takedown(drm_device_t *); 722 void drm_free_buffer(drm_device_t *, drm_buf_t *); 723 void drm_reclaim_buffers(drm_device_t *, drm_file_t *); 724 #define drm_core_reclaim_buffers drm_reclaim_buffers 725 726 /* IRQ support (drm_irq.c) */ 727 int drm_irq_install(drm_device_t *); 728 int drm_irq_uninstall(drm_device_t *); 729 uint_t drm_irq_handler(DRM_IRQ_ARGS); 730 void drm_driver_irq_preinstall(drm_device_t *); 731 void drm_driver_irq_postinstall(drm_device_t *); 732 void drm_driver_irq_uninstall(drm_device_t *); 733 int drm_vblank_wait(drm_device_t *, unsigned int *); 734 void drm_vbl_send_signals(drm_device_t *); 735 void drm_locked_tasklet(drm_device_t *, void(*func)(drm_device_t *)); 736 737 /* AGP/GART support (drm_agpsupport.c) */ 738 int drm_device_is_agp(drm_device_t *); 739 int drm_device_is_pcie(drm_device_t *); 740 drm_agp_head_t *drm_agp_init(drm_device_t *); 741 void drm_agp_fini(drm_device_t *); 742 int drm_agp_do_release(drm_device_t *); 743 void *drm_agp_allocate_memory(size_t, uint32_t); 744 int drm_agp_free_memory(void *); 745 int drm_agp_bind_memory(unsigned int, uint32_t, drm_device_t *); 746 int drm_agp_unbind_memory(unsigned long, drm_device_t *); 747 748 /* kstat support (drm_kstats.c) */ 749 int drm_init_kstats(drm_device_t *); 750 void drm_fini_kstats(drm_device_t *); 751 752 /* Scatter Gather Support (drm_scatter.c) */ 753 void drm_sg_cleanup(drm_device_t *, drm_sg_mem_t *); 754 755 /* ATI PCIGART support (ati_pcigart.c) */ 756 int drm_ati_pcigart_init(drm_device_t *, drm_ati_pcigart_info *); 757 int drm_ati_pcigart_cleanup(drm_device_t *, drm_ati_pcigart_info *); 758 759 /* Locking IOCTL support (drm_drv.c) */ 760 int drm_lock(DRM_IOCTL_ARGS); 761 int drm_unlock(DRM_IOCTL_ARGS); 762 int drm_version(DRM_IOCTL_ARGS); 763 int drm_setversion(DRM_IOCTL_ARGS); 764 765 /* Misc. IOCTL support (drm_ioctl.c) */ 766 int drm_irq_by_busid(DRM_IOCTL_ARGS); 767 int drm_getunique(DRM_IOCTL_ARGS); 768 int drm_setunique(DRM_IOCTL_ARGS); 769 int drm_getmap(DRM_IOCTL_ARGS); 770 int drm_getclient(DRM_IOCTL_ARGS); 771 int drm_getstats(DRM_IOCTL_ARGS); 772 int drm_noop(DRM_IOCTL_ARGS); 773 774 /* Context IOCTL support (drm_context.c) */ 775 int drm_resctx(DRM_IOCTL_ARGS); 776 int drm_addctx(DRM_IOCTL_ARGS); 777 int drm_modctx(DRM_IOCTL_ARGS); 778 int drm_getctx(DRM_IOCTL_ARGS); 779 int drm_switchctx(DRM_IOCTL_ARGS); 780 int drm_newctx(DRM_IOCTL_ARGS); 781 int drm_rmctx(DRM_IOCTL_ARGS); 782 int drm_setsareactx(DRM_IOCTL_ARGS); 783 int drm_getsareactx(DRM_IOCTL_ARGS); 784 785 /* Drawable IOCTL support (drm_drawable.c) */ 786 int drm_adddraw(DRM_IOCTL_ARGS); 787 int drm_rmdraw(DRM_IOCTL_ARGS); 788 789 /* Authentication IOCTL support (drm_auth.c) */ 790 int drm_getmagic(DRM_IOCTL_ARGS); 791 int drm_authmagic(DRM_IOCTL_ARGS); 792 int drm_remove_magic(drm_device_t *, drm_magic_t); 793 drm_file_t *drm_find_file(drm_device_t *, drm_magic_t); 794 /* Buffer management support (drm_bufs.c) */ 795 int drm_addmap_ioctl(DRM_IOCTL_ARGS); 796 int drm_rmmap_ioctl(DRM_IOCTL_ARGS); 797 int drm_addbufs_ioctl(DRM_IOCTL_ARGS); 798 int drm_infobufs(DRM_IOCTL_ARGS); 799 int drm_markbufs(DRM_IOCTL_ARGS); 800 int drm_freebufs(DRM_IOCTL_ARGS); 801 int drm_mapbufs(DRM_IOCTL_ARGS); 802 803 /* DMA support (drm_dma.c) */ 804 int drm_dma(DRM_IOCTL_ARGS); 805 806 /* IRQ support (drm_irq.c) */ 807 int drm_control(DRM_IOCTL_ARGS); 808 int drm_wait_vblank(DRM_IOCTL_ARGS); 809 810 /* AGP/GART support (drm_agpsupport.c) */ 811 int drm_agp_acquire(DRM_IOCTL_ARGS); 812 int drm_agp_release(DRM_IOCTL_ARGS); 813 int drm_agp_enable(DRM_IOCTL_ARGS); 814 int drm_agp_info(DRM_IOCTL_ARGS); 815 int drm_agp_alloc(DRM_IOCTL_ARGS); 816 int drm_agp_free(DRM_IOCTL_ARGS); 817 int drm_agp_unbind(DRM_IOCTL_ARGS); 818 int drm_agp_bind(DRM_IOCTL_ARGS); 819 820 /* Scatter Gather Support (drm_scatter.c) */ 821 int drm_sg_alloc(DRM_IOCTL_ARGS); 822 int drm_sg_free(DRM_IOCTL_ARGS); 823 824 extern int drm_debug_flag; 825 826 827 /* We add function to support DRM_DEBUG,DRM_ERROR,DRM_INFO */ 828 extern void drm_debug(const char *fmt, ...); 829 extern void drm_error(const char *fmt, ...); 830 extern void drm_info(const char *fmt, ...); 831 832 #ifdef DEBUG 833 #define DRM_DEBUG if (drm_debug_flag >= 2) drm_debug 834 #define DRM_INFO if (drm_debug_flag >= 1) drm_info 835 #else 836 #define DRM_DEBUG(...) 837 #define DRM_INFO(...) 838 #endif 839 840 #define DRM_ERROR drm_error 841 842 843 #define MAX_INSTNUMS 16 844 845 extern int drm_dev_to_instance(dev_t); 846 extern int drm_dev_to_minor(dev_t); 847 extern void *drm_supp_register(dev_info_t *, drm_device_t *); 848 extern int drm_supp_unregister(void *); 849 850 extern int drm_open(drm_device_t *, drm_cminor_t *, int, int, cred_t *); 851 extern int drm_close(drm_device_t *, int, int, int, cred_t *); 852 extern int drm_attach(drm_device_t *); 853 extern int drm_detach(drm_device_t *); 854 extern int drm_probe(drm_device_t *, drm_pci_id_list_t *); 855 856 extern int drm_pci_init(drm_device_t *); 857 extern void drm_pci_end(drm_device_t *); 858 extern int pci_get_info(drm_device_t *, int *, int *, int *); 859 extern int pci_get_irq(drm_device_t *); 860 extern int pci_get_vendor(drm_device_t *); 861 extern int pci_get_device(drm_device_t *); 862 863 extern drm_drawable_info_t *drm_get_drawable_info(drm_device_t *, 864 drm_drawable_t); 865 866 /* File Operations helpers (drm_fops.c) */ 867 extern drm_file_t *drm_find_file_by_proc(drm_device_t *, cred_t *); 868 extern drm_cminor_t *drm_find_file_by_minor(drm_device_t *, int); 869 extern int drm_open_helper(drm_device_t *, drm_cminor_t *, int, int, 870 cred_t *); 871 872 #endif /* _DRMP_H */ 873