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 2009 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 #include <sys/types.h> 44 #include <sys/conf.h> 45 #include <sys/modctl.h> 46 #include <sys/stat.h> 47 #include <sys/file.h> 48 #include <sys/cmn_err.h> 49 #include <sys/varargs.h> 50 #include <sys/pci.h> 51 #include <sys/ddi.h> 52 #include <sys/sunddi.h> 53 #include <sys/sunldi.h> 54 #include <sys/pmem.h> 55 #include <sys/agpgart.h> 56 #include <sys/time.h> 57 #include "drm_atomic.h" 58 #include "drm.h" 59 #include "queue.h" 60 #include "drm_linux_list.h" 61 62 #ifndef __inline__ 63 #define __inline__ inline 64 #endif 65 66 #if !defined(__FUNCTION__) 67 #if defined(C99) 68 #define __FUNCTION__ __func__ 69 #else 70 #define __FUNCTION__ " " 71 #endif 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) (crgetsgid(p) == 0 || crgetsuid(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 flags; 319 } drm_ioctl_desc_t; 320 321 typedef struct drm_magic_entry { 322 drm_magic_t magic; 323 struct drm_file *priv; 324 struct drm_magic_entry *next; 325 } drm_magic_entry_t; 326 327 typedef struct drm_magic_head { 328 struct drm_magic_entry *head; 329 struct drm_magic_entry *tail; 330 } drm_magic_head_t; 331 332 typedef struct drm_buf { 333 int idx; /* Index into master buflist */ 334 int total; /* Buffer size */ 335 int order; /* log-base-2(total) */ 336 int used; /* Amount of buffer in use (for DMA) */ 337 unsigned long offset; /* Byte offset (used internally) */ 338 void *address; /* Address of buffer */ 339 unsigned long bus_address; /* Bus address of buffer */ 340 struct drm_buf *next; /* Kernel-only: used for free list */ 341 volatile int pending; /* On hardware DMA queue */ 342 drm_file_t *filp; 343 /* Uniq. identifier of holding process */ 344 int context; /* Kernel queue for this buffer */ 345 enum { 346 DRM_LIST_NONE = 0, 347 DRM_LIST_FREE = 1, 348 DRM_LIST_WAIT = 2, 349 DRM_LIST_PEND = 3, 350 DRM_LIST_PRIO = 4, 351 DRM_LIST_RECLAIM = 5 352 } list; /* Which list we're on */ 353 354 int dev_priv_size; /* Size of buffer private stoarge */ 355 void *dev_private; /* Per-buffer private storage */ 356 } drm_buf_t; 357 358 typedef struct drm_freelist { 359 int initialized; /* Freelist in use */ 360 uint32_t count; /* Number of free buffers */ 361 drm_buf_t *next; /* End pointer */ 362 363 int low_mark; /* Low water mark */ 364 int high_mark; /* High water mark */ 365 } drm_freelist_t; 366 367 typedef struct drm_buf_entry { 368 int buf_size; 369 int buf_count; 370 drm_buf_t *buflist; 371 int seg_count; 372 int page_order; 373 374 uint32_t *seglist; 375 unsigned long *seglist_bus; 376 377 drm_freelist_t freelist; 378 } drm_buf_entry_t; 379 380 typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t; 381 struct drm_file { 382 TAILQ_ENTRY(drm_file) link; 383 int authenticated; 384 int master; 385 int minor; 386 pid_t pid; 387 uid_t uid; 388 int refs; 389 drm_magic_t magic; 390 unsigned long ioctl_count; 391 void *driver_priv; 392 }; 393 394 typedef struct drm_lock_data { 395 drm_hw_lock_t *hw_lock; /* Hardware lock */ 396 drm_file_t *filp; 397 /* Uniq. identifier of holding process */ 398 kcondvar_t lock_cv; /* lock queue - SOLARIS Specific */ 399 kmutex_t lock_mutex; /* lock - SOLARIS Specific */ 400 unsigned long lock_time; /* Time of last lock in jiffies */ 401 } drm_lock_data_t; 402 403 /* 404 * This structure, in drm_device_t, is always initialized while the device 405 * is open. dev->dma_lock protects the incrementing of dev->buf_use, which 406 * when set marks that no further bufs may be allocated until device teardown 407 * occurs (when the last open of the device has closed). The high/low 408 * watermarks of bufs are only touched by the X Server, and thus not 409 * concurrently accessed, so no locking is needed. 410 */ 411 typedef struct drm_device_dma { 412 drm_buf_entry_t bufs[DRM_MAX_ORDER+1]; 413 int buf_count; 414 drm_buf_t **buflist; /* Vector of pointers info bufs */ 415 int seg_count; 416 int page_count; 417 unsigned long *pagelist; 418 unsigned long byte_count; 419 enum { 420 _DRM_DMA_USE_AGP = 0x01, 421 _DRM_DMA_USE_SG = 0x02 422 } flags; 423 } drm_device_dma_t; 424 425 typedef struct drm_agp_mem { 426 void *handle; 427 unsigned long bound; /* address */ 428 int pages; 429 caddr_t phys_addr; 430 struct drm_agp_mem *prev; 431 struct drm_agp_mem *next; 432 } drm_agp_mem_t; 433 434 typedef struct drm_agp_head { 435 agp_info_t agp_info; 436 const char *chipset; 437 drm_agp_mem_t *memory; 438 unsigned long mode; 439 int enabled; 440 int acquired; 441 unsigned long base; 442 int mtrr; 443 int cant_use_aperture; 444 unsigned long page_mask; 445 ldi_ident_t agpgart_li; 446 ldi_handle_t agpgart_lh; 447 } drm_agp_head_t; 448 449 450 typedef struct drm_dma_handle { 451 ddi_dma_handle_t dma_hdl; 452 ddi_acc_handle_t acc_hdl; 453 ddi_dma_cookie_t cookie; 454 uint_t cookie_num; 455 uintptr_t vaddr; /* virtual addr */ 456 uintptr_t paddr; /* physical addr */ 457 size_t real_sz; /* real size of memory */ 458 } drm_dma_handle_t; 459 460 typedef struct drm_sg_mem { 461 unsigned long handle; 462 void *virtual; 463 int pages; 464 dma_addr_t *busaddr; 465 ddi_umem_cookie_t *umem_cookie; 466 drm_dma_handle_t *dmah_sg; 467 drm_dma_handle_t *dmah_gart; /* Handle to PCI memory */ 468 } drm_sg_mem_t; 469 470 typedef TAILQ_HEAD(drm_map_list, drm_local_map) drm_map_list_t; 471 472 /* BEGIN CSTYLED */ 473 typedef struct drm_local_map { 474 unsigned long offset; /* Physical address (0 for SAREA) */ 475 unsigned long size; /* Physical size (bytes) */ 476 drm_map_type_t type; /* Type of memory mapped */ 477 drm_map_flags_t flags; /* Flags */ 478 void *handle; /* User-space: "Handle" to pass to mmap */ 479 /* Kernel-space: kernel-virtual address */ 480 int mtrr; /* Boolean: MTRR used */ 481 /* Private data */ 482 int rid; /* PCI resource ID for bus_space */ 483 int kernel_owned; /* Boolean: 1= initmapped, 0= addmapped */ 484 caddr_t dev_addr; /* base device address */ 485 ddi_acc_handle_t dev_handle; /* The data access handle */ 486 ddi_umem_cookie_t drm_umem_cookie; /* For SAREA alloc and free */ 487 TAILQ_ENTRY(drm_local_map) link; 488 } drm_local_map_t; 489 /* END CSTYLED */ 490 491 typedef TAILQ_HEAD(drm_vbl_sig_list, drm_vbl_sig) drm_vbl_sig_list_t; 492 typedef struct drm_vbl_sig { 493 TAILQ_ENTRY(drm_vbl_sig) link; 494 unsigned int sequence; 495 int signo; 496 int pid; 497 } drm_vbl_sig_t; 498 499 500 /* used for clone device */ 501 typedef TAILQ_HEAD(drm_cminor_list, drm_cminor) drm_cminor_list_t; 502 typedef struct drm_cminor { 503 TAILQ_ENTRY(drm_cminor) link; 504 drm_file_t *fpriv; 505 int minor; 506 } drm_cminor_t; 507 508 /* location of GART table */ 509 #define DRM_ATI_GART_MAIN 1 510 #define DRM_ATI_GART_FB 2 511 512 typedef struct ati_pcigart_info { 513 int gart_table_location; 514 int is_pcie; 515 void *addr; 516 dma_addr_t bus_addr; 517 drm_local_map_t mapping; 518 } drm_ati_pcigart_info; 519 520 /* DRM device structure */ 521 struct drm_device; 522 struct drm_driver_info { 523 int (*load)(struct drm_device *, unsigned long); 524 int (*firstopen)(struct drm_device *); 525 int (*open)(struct drm_device *, drm_file_t *); 526 void (*preclose)(struct drm_device *, drm_file_t *); 527 void (*postclose)(struct drm_device *, drm_file_t *); 528 void (*lastclose)(struct drm_device *); 529 int (*unload)(struct drm_device *); 530 void (*reclaim_buffers_locked)(struct drm_device *, drm_file_t *); 531 int (*presetup)(struct drm_device *); 532 int (*postsetup)(struct drm_device *); 533 int (*open_helper)(struct drm_device *, drm_file_t *); 534 void (*free_filp_priv)(struct drm_device *, drm_file_t *); 535 void (*release)(struct drm_device *, void *); 536 int (*dma_ioctl)(DRM_IOCTL_ARGS); 537 void (*dma_ready)(struct drm_device *); 538 int (*dma_quiescent)(struct drm_device *); 539 int (*dma_flush_block_and_flush)(struct drm_device *, 540 int, drm_lock_flags_t); 541 int (*dma_flush_unblock)(struct drm_device *, int, 542 drm_lock_flags_t); 543 int (*context_ctor)(struct drm_device *, int); 544 int (*context_dtor)(struct drm_device *, int); 545 int (*kernel_context_switch)(struct drm_device *, int, int); 546 int (*kernel_context_switch_unlock)(struct drm_device *); 547 int (*device_is_agp) (struct drm_device *); 548 int (*irq_preinstall)(struct drm_device *); 549 void (*irq_postinstall)(struct drm_device *); 550 void (*irq_uninstall)(struct drm_device *dev); 551 uint_t (*irq_handler)(DRM_IRQ_ARGS); 552 int (*vblank_wait)(struct drm_device *, unsigned int *); 553 int (*vblank_wait2)(struct drm_device *, unsigned int *); 554 /* added for intel minimized vblank */ 555 u32 (*get_vblank_counter)(struct drm_device *dev, int crtc); 556 int (*enable_vblank)(struct drm_device *dev, int crtc); 557 void (*disable_vblank)(struct drm_device *dev, int crtc); 558 559 drm_ioctl_desc_t *driver_ioctls; 560 int max_driver_ioctl; 561 562 int buf_priv_size; 563 int driver_major; 564 int driver_minor; 565 int driver_patchlevel; 566 const char *driver_name; /* Simple driver name */ 567 const char *driver_desc; /* Longer driver name */ 568 const char *driver_date; /* Date of last major changes. */ 569 570 unsigned use_agp :1; 571 unsigned require_agp :1; 572 unsigned use_sg :1; 573 unsigned use_dma :1; 574 unsigned use_pci_dma :1; 575 unsigned use_dma_queue :1; 576 unsigned use_irq :1; 577 unsigned use_vbl_irq :1; 578 unsigned use_vbl_irq2 :1; 579 unsigned use_mtrr :1; 580 }; 581 582 /* 583 * hardware-specific code needs to initialize mutexes which 584 * can be used in interrupt context, so they need to know 585 * the interrupt priority. Interrupt cookie in drm_device 586 * structure is the intr_block field. 587 */ 588 #define DRM_INTR_PRI(dev) \ 589 DDI_INTR_PRI((dev)->intr_block) 590 591 struct drm_device { 592 drm_driver_t *driver; 593 drm_cminor_list_t minordevs; 594 dev_info_t *dip; 595 void *drm_handle; 596 int drm_supported; 597 const char *desc; /* current driver description */ 598 kmutex_t *irq_mutex; 599 kcondvar_t *irq_cv; 600 601 ddi_iblock_cookie_t intr_block; 602 uint32_t pci_device; /* PCI device id */ 603 uint32_t pci_vendor; 604 char *unique; /* Unique identifier: e.g., busid */ 605 int unique_len; /* Length of unique field */ 606 int if_version; /* Highest interface version set */ 607 int flags; /* Flags to open(2) */ 608 609 /* Locks */ 610 kmutex_t vbl_lock; /* protects vblank operations */ 611 kmutex_t dma_lock; /* protects dev->dma */ 612 kmutex_t irq_lock; /* protects irq condition checks */ 613 kmutex_t dev_lock; /* protects everything else */ 614 drm_lock_data_t lock; /* Information on hardware lock */ 615 616 /* Usage Counters */ 617 int open_count; /* Outstanding files open */ 618 int buf_use; /* Buffers in use -- cannot alloc */ 619 620 /* Performance counters */ 621 unsigned long counters; 622 drm_stat_type_t types[15]; 623 uint32_t counts[15]; 624 625 /* Authentication */ 626 drm_file_list_t files; 627 drm_magic_head_t magiclist[DRM_HASH_SIZE]; 628 629 /* Linked list of mappable regions. Protected by dev_lock */ 630 drm_map_list_t maplist; 631 632 drm_local_map_t **context_sareas; 633 int max_context; 634 635 /* DMA queues (contexts) */ 636 drm_device_dma_t *dma; /* Optional pointer for DMA support */ 637 638 /* Context support */ 639 int irq; /* Interrupt used by board */ 640 int irq_enabled; /* True if the irq handler is enabled */ 641 int pci_domain; 642 int pci_bus; 643 int pci_slot; 644 int pci_func; 645 atomic_t context_flag; /* Context swapping flag */ 646 int last_context; /* Last current context */ 647 648 /* Only used for Radeon */ 649 atomic_t vbl_received; 650 atomic_t vbl_received2; 651 652 drm_vbl_sig_list_t vbl_sig_list; 653 drm_vbl_sig_list_t vbl_sig_list2; 654 655 int vblank_disable_allowed; 656 657 wait_queue_head_t vbl_queue; /* vbl wait channel */ 658 /* vbl wait channel array */ 659 wait_queue_head_t *vbl_queues; 660 661 /* number of VBLANK interrupts */ 662 /* (driver must alloc the right number of counters) */ 663 atomic_t *_vblank_count; 664 /* signal list to send on VBLANK */ 665 struct drm_vbl_sig_list *vbl_sigs; 666 667 /* number of signals pending on all crtcs */ 668 atomic_t vbl_signal_pending; 669 /* number of users of vblank interrupts per crtc */ 670 atomic_t *vblank_refcount; 671 /* protected by dev->vbl_lock, used for wraparound handling */ 672 u32 *last_vblank; 673 /* so we don't call enable more than */ 674 atomic_t *vblank_enabled; 675 /* for compensation of spurious wraparounds */ 676 u32 *vblank_premodeset; 677 /* Don't wait while crtc is likely disabled */ 678 int *vblank_suspend; 679 /* size of vblank counter register */ 680 u32 max_vblank_count; 681 int num_crtcs; 682 kmutex_t tasklet_lock; 683 void (*locked_tasklet_func)(struct drm_device *dev); 684 685 pid_t buf_pgid; 686 drm_agp_head_t *agp; 687 drm_sg_mem_t *sg; /* Scatter gather memory */ 688 uint32_t *ctx_bitmap; 689 void *dev_private; 690 unsigned int agp_buffer_token; 691 drm_local_map_t *agp_buffer_map; 692 693 kstat_t *asoft_ksp; /* kstat support */ 694 695 /* name Drawable information */ 696 kmutex_t drw_lock; 697 unsigned int drw_bitfield_length; 698 u32 *drw_bitfield; 699 unsigned int drw_info_length; 700 drm_drawable_info_t **drw_info; 701 /* 702 * Saving S3 context 703 */ 704 void *s3_private; 705 }; 706 707 /* Memory management support (drm_memory.c) */ 708 void drm_mem_init(void); 709 void drm_mem_uninit(void); 710 void *drm_alloc(size_t, int); 711 void *drm_calloc(size_t, size_t, int); 712 void *drm_realloc(void *, size_t, size_t, int); 713 void drm_free(void *, size_t, int); 714 int drm_ioremap(drm_device_t *, drm_local_map_t *); 715 void drm_ioremapfree(drm_local_map_t *); 716 717 void drm_core_ioremap(struct drm_local_map *, struct drm_device *); 718 void drm_core_ioremapfree(struct drm_local_map *, struct drm_device *); 719 720 void drm_pci_free(drm_device_t *, drm_dma_handle_t *); 721 void *drm_pci_alloc(drm_device_t *, size_t, size_t, dma_addr_t, int); 722 723 struct drm_local_map *drm_core_findmap(struct drm_device *, unsigned long); 724 725 int drm_context_switch(drm_device_t *, int, int); 726 int drm_context_switch_complete(drm_device_t *, int); 727 int drm_ctxbitmap_init(drm_device_t *); 728 void drm_ctxbitmap_cleanup(drm_device_t *); 729 void drm_ctxbitmap_free(drm_device_t *, int); 730 int drm_ctxbitmap_next(drm_device_t *); 731 732 /* Locking IOCTL support (drm_lock.c) */ 733 int drm_lock_take(drm_lock_data_t *, unsigned int); 734 int drm_lock_transfer(drm_device_t *, 735 drm_lock_data_t *, unsigned int); 736 int drm_lock_free(drm_device_t *, 737 volatile unsigned int *, unsigned int); 738 739 /* Buffer management support (drm_bufs.c) */ 740 unsigned long drm_get_resource_start(drm_device_t *, unsigned int); 741 unsigned long drm_get_resource_len(drm_device_t *, unsigned int); 742 int drm_initmap(drm_device_t *, unsigned long, unsigned long, 743 unsigned int, int, int); 744 void drm_rmmap(drm_device_t *, drm_local_map_t *); 745 int drm_addmap(drm_device_t *, unsigned long, unsigned long, 746 drm_map_type_t, drm_map_flags_t, drm_local_map_t **); 747 int drm_order(unsigned long); 748 749 /* DMA support (drm_dma.c) */ 750 int drm_dma_setup(drm_device_t *); 751 void drm_dma_takedown(drm_device_t *); 752 void drm_free_buffer(drm_device_t *, drm_buf_t *); 753 void drm_reclaim_buffers(drm_device_t *, drm_file_t *); 754 #define drm_core_reclaim_buffers drm_reclaim_buffers 755 756 /* IRQ support (drm_irq.c) */ 757 int drm_irq_install(drm_device_t *); 758 int drm_irq_uninstall(drm_device_t *); 759 uint_t drm_irq_handler(DRM_IRQ_ARGS); 760 void drm_driver_irq_preinstall(drm_device_t *); 761 void drm_driver_irq_postinstall(drm_device_t *); 762 void drm_driver_irq_uninstall(drm_device_t *); 763 int drm_vblank_wait(drm_device_t *, unsigned int *); 764 void drm_vbl_send_signals(drm_device_t *); 765 void drm_handle_vblank(struct drm_device *dev, int crtc); 766 u32 drm_vblank_count(struct drm_device *dev, int crtc); 767 int drm_vblank_get(struct drm_device *dev, int crtc); 768 void drm_vblank_put(struct drm_device *dev, int crtc); 769 int drm_vblank_init(struct drm_device *dev, int num_crtcs); 770 void drm_locked_tasklet(drm_device_t *, void(*func)(drm_device_t *)); 771 void drm_vblank_cleanup(struct drm_device *dev); 772 773 /* AGP/GART support (drm_agpsupport.c) */ 774 int drm_device_is_agp(drm_device_t *); 775 int drm_device_is_pcie(drm_device_t *); 776 drm_agp_head_t *drm_agp_init(drm_device_t *); 777 void drm_agp_fini(drm_device_t *); 778 int drm_agp_do_release(drm_device_t *); 779 void *drm_agp_allocate_memory(size_t, uint32_t); 780 int drm_agp_free_memory(void *); 781 int drm_agp_bind_memory(unsigned int, uint32_t, drm_device_t *); 782 int drm_agp_unbind_memory(unsigned long, drm_device_t *); 783 784 /* kstat support (drm_kstats.c) */ 785 int drm_init_kstats(drm_device_t *); 786 void drm_fini_kstats(drm_device_t *); 787 788 /* Scatter Gather Support (drm_scatter.c) */ 789 void drm_sg_cleanup(drm_device_t *, drm_sg_mem_t *); 790 791 /* ATI PCIGART support (ati_pcigart.c) */ 792 int drm_ati_pcigart_init(drm_device_t *, drm_ati_pcigart_info *); 793 int drm_ati_pcigart_cleanup(drm_device_t *, drm_ati_pcigart_info *); 794 795 /* Locking IOCTL support (drm_drv.c) */ 796 int drm_lock(DRM_IOCTL_ARGS); 797 int drm_unlock(DRM_IOCTL_ARGS); 798 int drm_version(DRM_IOCTL_ARGS); 799 int drm_setversion(DRM_IOCTL_ARGS); 800 801 /* Misc. IOCTL support (drm_ioctl.c) */ 802 int drm_irq_by_busid(DRM_IOCTL_ARGS); 803 int drm_getunique(DRM_IOCTL_ARGS); 804 int drm_setunique(DRM_IOCTL_ARGS); 805 int drm_getmap(DRM_IOCTL_ARGS); 806 int drm_getclient(DRM_IOCTL_ARGS); 807 int drm_getstats(DRM_IOCTL_ARGS); 808 int drm_noop(DRM_IOCTL_ARGS); 809 810 /* Context IOCTL support (drm_context.c) */ 811 int drm_resctx(DRM_IOCTL_ARGS); 812 int drm_addctx(DRM_IOCTL_ARGS); 813 int drm_modctx(DRM_IOCTL_ARGS); 814 int drm_getctx(DRM_IOCTL_ARGS); 815 int drm_switchctx(DRM_IOCTL_ARGS); 816 int drm_newctx(DRM_IOCTL_ARGS); 817 int drm_rmctx(DRM_IOCTL_ARGS); 818 int drm_setsareactx(DRM_IOCTL_ARGS); 819 int drm_getsareactx(DRM_IOCTL_ARGS); 820 821 /* Drawable IOCTL support (drm_drawable.c) */ 822 int drm_adddraw(DRM_IOCTL_ARGS); 823 int drm_rmdraw(DRM_IOCTL_ARGS); 824 int drm_update_draw(DRM_IOCTL_ARGS); 825 826 /* Authentication IOCTL support (drm_auth.c) */ 827 int drm_getmagic(DRM_IOCTL_ARGS); 828 int drm_authmagic(DRM_IOCTL_ARGS); 829 int drm_remove_magic(drm_device_t *, drm_magic_t); 830 drm_file_t *drm_find_file(drm_device_t *, drm_magic_t); 831 /* Buffer management support (drm_bufs.c) */ 832 int drm_addmap_ioctl(DRM_IOCTL_ARGS); 833 int drm_rmmap_ioctl(DRM_IOCTL_ARGS); 834 int drm_addbufs_ioctl(DRM_IOCTL_ARGS); 835 int drm_infobufs(DRM_IOCTL_ARGS); 836 int drm_markbufs(DRM_IOCTL_ARGS); 837 int drm_freebufs(DRM_IOCTL_ARGS); 838 int drm_mapbufs(DRM_IOCTL_ARGS); 839 840 /* DMA support (drm_dma.c) */ 841 int drm_dma(DRM_IOCTL_ARGS); 842 843 /* IRQ support (drm_irq.c) */ 844 int drm_control(DRM_IOCTL_ARGS); 845 int drm_wait_vblank(DRM_IOCTL_ARGS); 846 847 /* AGP/GART support (drm_agpsupport.c) */ 848 int drm_agp_acquire(DRM_IOCTL_ARGS); 849 int drm_agp_release(DRM_IOCTL_ARGS); 850 int drm_agp_enable(DRM_IOCTL_ARGS); 851 int drm_agp_info(DRM_IOCTL_ARGS); 852 int drm_agp_alloc(DRM_IOCTL_ARGS); 853 int drm_agp_free(DRM_IOCTL_ARGS); 854 int drm_agp_unbind(DRM_IOCTL_ARGS); 855 int drm_agp_bind(DRM_IOCTL_ARGS); 856 857 /* Scatter Gather Support (drm_scatter.c) */ 858 int drm_sg_alloc(DRM_IOCTL_ARGS); 859 int drm_sg_free(DRM_IOCTL_ARGS); 860 861 extern int drm_debug_flag; 862 863 864 /* We add function to support DRM_DEBUG,DRM_ERROR,DRM_INFO */ 865 extern void drm_debug(const char *fmt, ...); 866 extern void drm_error(const char *fmt, ...); 867 extern void drm_info(const char *fmt, ...); 868 869 #ifdef DEBUG 870 #define DRM_DEBUG if (drm_debug_flag >= 2) drm_debug 871 #define DRM_INFO if (drm_debug_flag >= 1) drm_info 872 #else 873 #define DRM_DEBUG(...) 874 #define DRM_INFO(...) 875 #endif 876 877 #define DRM_ERROR drm_error 878 879 880 #define MAX_INSTNUMS 16 881 882 extern int drm_dev_to_instance(dev_t); 883 extern int drm_dev_to_minor(dev_t); 884 extern void *drm_supp_register(dev_info_t *, drm_device_t *); 885 extern int drm_supp_unregister(void *); 886 887 extern int drm_open(drm_device_t *, drm_cminor_t *, int, int, cred_t *); 888 extern int drm_close(drm_device_t *, int, int, int, cred_t *); 889 extern int drm_attach(drm_device_t *); 890 extern int drm_detach(drm_device_t *); 891 extern int drm_probe(drm_device_t *, drm_pci_id_list_t *); 892 893 extern int drm_pci_init(drm_device_t *); 894 extern void drm_pci_end(drm_device_t *); 895 extern int pci_get_info(drm_device_t *, int *, int *, int *); 896 extern int pci_get_irq(drm_device_t *); 897 extern int pci_get_vendor(drm_device_t *); 898 extern int pci_get_device(drm_device_t *); 899 900 extern struct drm_drawable_info *drm_get_drawable_info(drm_device_t *, 901 drm_drawable_t); 902 /* File Operations helpers (drm_fops.c) */ 903 extern drm_file_t *drm_find_file_by_proc(drm_device_t *, cred_t *); 904 extern drm_cminor_t *drm_find_file_by_minor(drm_device_t *, int); 905 extern int drm_open_helper(drm_device_t *, drm_cminor_t *, int, int, 906 cred_t *); 907 908 #endif /* _DRMP_H */ 909