1 /* 2 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 3 * Use is subject to license terms. 4 */ 5 6 /* 7 * drmP.h -- Private header for Direct Rendering Manager -*- linux-c -*- 8 * Created: Mon Jan 4 10:05:05 1999 by faith@precisioninsight.com 9 */ 10 /* 11 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. 12 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. 13 * All rights reserved. 14 * 15 * Permission is hereby granted, free of charge, to any person obtaining a 16 * copy of this software and associated documentation files (the "Software"), 17 * to deal in the Software without restriction, including without limitation 18 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 19 * and/or sell copies of the Software, and to permit persons to whom the 20 * Software is furnished to do so, subject to the following conditions: 21 * 22 * The above copyright notice and this permission notice (including the next 23 * paragraph) shall be included in all copies or substantial portions of the 24 * Software. 25 * 26 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 27 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 28 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 29 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 30 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 31 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 32 * OTHER DEALINGS IN THE SOFTWARE. 33 * 34 * Authors: 35 * Rickard E. (Rik) Faith <faith@valinux.com> 36 * Gareth Hughes <gareth@valinux.com> 37 * 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/atomic.h> 57 58 #include "drm.h" 59 #include "queue.h" 60 61 #include <sys/agpgart.h> 62 63 #ifdef NOPID 64 #undef NOPID 65 #endif 66 67 #if !defined(__FUNCTION__) && defined(C99) 68 #define __FUNCTION__ __func__ 69 #else 70 #define __FUNCTION__ " " 71 #endif 72 73 /* DRM space units */ 74 #define DRM_PAGE_SHIFT PAGESHIFT 75 #define DRM_PAGE_SIZE (1 << DRM_PAGE_SHIFT) 76 #define DRM_PAGE_OFFSET (DRM_PAGE_SIZE - 1) 77 #define DRM_PAGE_MASK ~(DRM_PAGE_SIZE - 1) 78 #define DRM_MB2PAGES(x) ((x) << 8) 79 #define DRM_PAGES2BYTES(x) ((x) << DRM_PAGE_SHIFT) 80 #define DRM_BYTES2PAGES(x) ((x) >> DRM_PAGE_SHIFT) 81 #define DRM_PAGES2KB(x) ((x) << 2) 82 #define DRM_ALIGNED(offset) (((offset) & DRM_PAGE_OFFSET) == 0) 83 84 #define PAGE_SHIFT DRM_PAGE_SHIFT 85 #define PAGE_SIZE DRM_PAGE_SIZE 86 87 #define DRM_MAX_INSTANCES 1 88 #define DRM_DEVNODE "drm" 89 #define DRM_UNOPENED 0 90 #define DRM_OPENED 1 91 92 #define DRM_HASH_SIZE 16 /* Size of key hash table */ 93 #define DRM_KERNEL_CONTEXT 0 /* Change drm_resctx if changed */ 94 #define DRM_RESERVED_CONTEXTS 1 /* Change drm_resctx if changed */ 95 96 #define DRM_MEM_DMA 0 97 #define DRM_MEM_SAREA 1 98 #define DRM_MEM_DRIVER 2 99 #define DRM_MEM_MAGIC 3 100 #define DRM_MEM_IOCTLS 4 101 #define DRM_MEM_MAPS 5 102 #define DRM_MEM_BUFS 6 103 #define DRM_MEM_SEGS 7 104 #define DRM_MEM_PAGES 8 105 #define DRM_MEM_FILES 9 106 #define DRM_MEM_QUEUES 10 107 #define DRM_MEM_CMDS 11 108 #define DRM_MEM_MAPPINGS 12 109 #define DRM_MEM_BUFLISTS 13 110 #define DRM_MEM_DRMLISTS 14 111 #define DRM_MEM_TOTALDRM 15 112 #define DRM_MEM_BOUNDDRM 16 113 #define DRM_MEM_CTXBITMAP 17 114 #define DRM_MEM_STUB 18 115 #define DRM_MEM_SGLISTS 19 116 #define DRM_MEM_AGPLISTS 20 117 118 #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) 119 120 /* Internal types and structures */ 121 #define DRM_ARRAY_SIZE(x) (sizeof (x) / sizeof (x[0])) 122 #define DRM_MIN(a, b) ((a) < (b) ? (a) : (b)) 123 #define DRM_MAX(a, b) ((a) > (b) ? (a) : (b)) 124 125 #define DRM_IF_VERSION(maj, min) (maj << 16 | min) 126 127 #define __OS_HAS_AGP 1 128 129 #define DRM_DEV_MOD (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP) 130 #define DRM_DEV_UID 0 131 #define DRM_DEV_GID 0 132 133 typedef uint32_t atomic_t; 134 135 #define wait_queue_head_t kcondvar_t 136 #define DRM_WAKEUP(w) cv_broadcast(w) 137 #define DRM_WAKEUP_INT(w) 138 #define DRM_INIT_WAITQUEUE(queue) cv_init(queue, NULL, CV_DRIVER, NULL) 139 140 #define DRM_CURPROC 141 #define DRM_CURRENTPID ddi_get_pid() 142 #define DRM_SPINLOCK(l) mutex_enter(l) 143 #define DRM_SPINUNLOCK(u) mutex_exit(u) 144 #define DRM_SPINLOCK_ASSERT(l) 145 #define DRM_LOCK() mutex_enter(&dev->dev_lock) 146 #define DRM_UNLOCK() mutex_exit(&dev->dev_lock) 147 148 #define DRM_UDELAY(sec) delay(drv_usectohz(sec *1000)) 149 #define DRM_MEMORYBARRIER() 150 151 typedef struct drm_softstate drm_device_t; 152 typedef struct drm_softstate drm_softstate_t; 153 154 #define atomic_read(p) (*(p)) 155 #define atomic_set(p, v) (*(p) = (v)) 156 157 #define DRM_IOCTL_ARGS dev_t kdev, drm_softstate_t *dev1, intptr_t data, \ 158 int mode, cred_t *credp, int *rvalp, DRMFILE filp 159 160 #define DRM_COPY_FROM_USER_IOCTL(arg1, arg2, arg3) \ 161 if (ddi_copyin(arg2, &arg1, arg3, mode) != DDI_SUCCESS) \ 162 return EFAULT 163 164 /* Other copying of data to kernel space */ 165 #define DRM_COPY_FROM_USER(arg1, arg2, arg3) \ 166 ddi_copyin(arg2, arg1, arg3, mode) 167 /* Other copying of data from kernel space */ 168 #define DRM_COPY_TO_USER(arg1, arg2, arg3) \ 169 ddi_copyout(arg2, arg1, arg3, mode) 170 171 #define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \ 172 ddi_copyin((arg2), arg1, arg3, mode) 173 174 /* For data going from the kernel through the ioctl argument */ 175 #define DRM_COPY_TO_USER_IOCTL(arg1, arg2, arg3) \ 176 if (ddi_copyout(&arg2, arg1, arg3, mode) != DDI_SUCCESS) \ 177 return EFAULT 178 179 #define DRM_DEVICE drm_softstate_t *dev = dev1 180 181 #define DRM_READ16(map, offset) *(volatile uint16_t *)\ 182 (((unsigned long)(map)->dev_addr) + (offset)) 183 #define DRM_WRITE16(map, offset, val) *(volatile uint16_t *)\ 184 (((unsigned long)(map)->dev_addr) + (offset)) = val 185 #define DRM_READ32(map, offset) *(volatile uint32_t *)\ 186 (((unsigned long)(map)->dev_addr) + (offset)) 187 #define DRM_WRITE32(map, offset, val) *(volatile uint32_t *)\ 188 (((unsigned long)(map)->dev_addr) + (offset)) = val 189 190 #define DRM_WAIT_ON(ret, cv, timeout, condition) \ 191 mutex_enter(&dev->irq_lock); \ 192 for (; ; ) { \ 193 if (!(condition)) { \ 194 DRM_DEBUG("i915_irq: cv will wait"); \ 195 ret = cv_timedwait_sig(&cv, &dev->irq_lock, \ 196 jiffies + timeout); \ 197 if (ret < 0) { \ 198 ret = DRM_ERR(EINTR); \ 199 break; \ 200 } \ 201 } \ 202 else { \ 203 ret = 0; \ 204 break; \ 205 } \ 206 } \ 207 mutex_exit(&dev->irq_lock); 208 209 #define DRM_GETSAREA() \ 210 { \ 211 drm_local_map_t *map; \ 212 DRM_SPINLOCK_ASSERT(&dev->dev_lock); \ 213 TAILQ_FOREACH(map, &dev->maplist, link) { \ 214 if (map->type == _DRM_SHM && \ 215 map->flags & _DRM_CONTAINS_LOCK) { \ 216 dev_priv->sarea = map; \ 217 break; \ 218 } \ 219 } \ 220 } 221 222 #define LOCK_TEST_WITH_RETURN(dev, filp) \ 223 if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \ 224 dev->lock.filp != filp) { \ 225 DRM_ERROR("%s called without lock held\n", \ 226 __FUNCTION__); \ 227 return (EINVAL); \ 228 } 229 230 /* 231 * Currently our DRMFILE (filp) is a void * which is actually the pid 232 * of the current process. It should be a per-open unique pointer, but 233 * code for that is not yet written 234 */ 235 #define DRMFILE void * 236 #define DRM_IRQ_ARGS caddr_t arg 237 #define IRQ_HANDLED DDI_INTR_CLAIMED 238 #define IRQ_NONE DDI_INTR_UNCLAIMED 239 240 #define PAGE_ALIGN(addr) (((addr) + DRM_PAGE_SIZE - 1) & DRM_PAGE_MASK) 241 #define jiffies ddi_get_lbolt() 242 #define DRM_SUSER(p) (crgetgid(p) == 0 || crgetuid(p) == 0) 243 244 /* 245 * wait for 400 miliseconds 246 */ 247 #define DRM_HZ drv_usectohz(400000) 248 249 #define DRM_ERR(v) (v) 250 251 #define DRM_GET_PRIV_WITH_RETURN(filp_priv, filp) 252 253 typedef unsigned long dma_addr_t; 254 typedef uint32_t u32; 255 typedef uint8_t u8; 256 typedef uint16_t u16; 257 typedef uint_t irqreturn_t; 258 259 #define DRM_SUPPORT 1 260 #define DRM_UNSUPPORT 0 261 262 #define __OS_HAS_AGP 1 263 264 #define __offsetof(type, field) ((size_t)(&((type *)0)->field)) 265 #define offsetof(type, field) __offsetof(type, field) 266 267 typedef struct drm_pci_id_list 268 { 269 int vendor; 270 int device; 271 long driver_private; 272 char *name; 273 } drm_pci_id_list_t; 274 275 #define DRM_AUTH 0x1 276 #define DRM_MASTER 0x2 277 #define DRM_ROOT_ONLY 0x4 278 typedef int drm_ioctl_t(DRM_IOCTL_ARGS); 279 typedef struct drm_ioctl_desc { 280 int (*func)(DRM_IOCTL_ARGS); 281 int auth_needed; 282 int root_only; 283 char *desc; 284 int flags; 285 } drm_ioctl_desc_t; 286 287 typedef struct drm_magic_entry { 288 drm_magic_t magic; 289 struct drm_file *priv; 290 struct drm_magic_entry *next; 291 } drm_magic_entry_t; 292 293 typedef struct drm_magic_head { 294 struct drm_magic_entry *head; 295 struct drm_magic_entry *tail; 296 } drm_magic_head_t; 297 298 typedef struct drm_buf { 299 int idx; /* Index into master buflist */ 300 int total; /* Buffer size */ 301 int order; /* log-base-2(total) */ 302 int used; /* Amount of buffer in use (for DMA) */ 303 unsigned long offset; /* Byte offset (used internally) */ 304 void *address; /* Address of buffer */ 305 unsigned long bus_address; /* Bus address of buffer */ 306 struct drm_buf *next; /* Kernel-only: used for free list */ 307 volatile int pending; /* On hardware DMA queue */ 308 DRMFILE filp; 309 /* Uniq. identifier of holding process */ 310 int context; /* Kernel queue for this buffer */ 311 enum { 312 DRM_LIST_NONE = 0, 313 DRM_LIST_FREE = 1, 314 DRM_LIST_WAIT = 2, 315 DRM_LIST_PEND = 3, 316 DRM_LIST_PRIO = 4, 317 DRM_LIST_RECLAIM = 5 318 } list; /* Which list we're on */ 319 320 int dev_priv_size; /* Size of buffer private stoarge */ 321 void *dev_private; /* Per-buffer private storage */ 322 } drm_buf_t; 323 324 typedef struct drm_freelist { 325 int initialized; /* Freelist in use */ 326 uint32_t count; /* Number of free buffers */ 327 drm_buf_t *next; /* End pointer */ 328 329 int low_mark; /* Low water mark */ 330 int high_mark; /* High water mark */ 331 } drm_freelist_t; 332 333 typedef struct drm_buf_entry { 334 int buf_size; 335 int buf_count; 336 drm_buf_t *buflist; 337 int seg_count; 338 int page_order; 339 340 uint32_t *seglist; 341 unsigned long *seglist_bus; 342 343 drm_freelist_t freelist; 344 } drm_buf_entry_t; 345 346 typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t; 347 struct drm_file { 348 TAILQ_ENTRY(drm_file) link; 349 int authenticated; 350 int master; 351 int minor; 352 pid_t pid; 353 uid_t uid; 354 int refs; 355 drm_magic_t magic; 356 unsigned long ioctl_count; 357 void *driver_priv; 358 }; 359 360 typedef struct drm_lock_data { 361 drm_hw_lock_t *hw_lock; /* Hardware lock */ 362 DRMFILE filp; 363 /* Uniq. identifier of holding process */ 364 kcondvar_t lock_cv; /* lock queue - SOLARIS Specific */ 365 kmutex_t lock_mutex; /* lock - SOLARIS Specific */ 366 unsigned long lock_time; /* Time of last lock in jiffies */ 367 } drm_lock_data_t; 368 369 /* 370 * This structure, in drm_softstate_t, is always initialized while the device 371 * is open. dev->dma_lock protects the incrementing of dev->buf_use, which 372 * when set marks that no further bufs may be allocated until device teardown 373 * occurs (when the last open of the device has closed). The high/low 374 * watermarks of bufs are only touched by the X Server, and thus not 375 * concurrently accessed, so no locking is needed. 376 */ 377 typedef struct drm_device_dma { 378 drm_buf_entry_t bufs[DRM_MAX_ORDER+1]; 379 int buf_count; 380 drm_buf_t **buflist; /* Vector of pointers info bufs */ 381 int seg_count; 382 int page_count; 383 unsigned long *pagelist; 384 unsigned long byte_count; 385 enum { 386 _DRM_DMA_USE_AGP = 0x01, 387 _DRM_DMA_USE_SG = 0x02 388 } flags; 389 } drm_device_dma_t; 390 391 typedef struct drm_agp_mem { 392 void *handle; 393 unsigned int key; 394 unsigned long bound; /* address */ 395 int pages; 396 struct drm_agp_mem *prev; 397 struct drm_agp_mem *next; 398 } drm_agp_mem_t; 399 400 typedef struct drm_agp_head { 401 agp_info_t agp_info; 402 const char *chipset; 403 drm_agp_mem_t *memory; 404 unsigned long mode; 405 int enabled; 406 int acquired; 407 unsigned long base; 408 int mtrr; 409 int cant_use_aperture; 410 unsigned long page_mask; 411 } drm_agp_head_t; 412 413 typedef struct drm_sg_mem { 414 unsigned long handle; 415 caddr_t virtual; 416 int pages; 417 dma_addr_t *busaddr; 418 ddi_umem_cookie_t sg_umem_cookie; 419 ddi_dma_handle_t sg_dma_hdl; 420 ddi_dma_cookie_t sg_dma_cookie; 421 uint_t sg_cookie_num; 422 423 424 } drm_sg_mem_t; 425 426 typedef TAILQ_HEAD(drm_map_list, drm_local_map) drm_map_list_t; 427 428 /* BEGIN CSTYLED */ 429 typedef union drm_off { 430 u_offset_t off; 431 void * ptr; 432 } drm_off_t; 433 typedef struct drm_local_map { 434 drm_off_t offset; /* Physical address (0 for SAREA) */ 435 unsigned int size; /* Physical size (bytes) */ 436 drm_map_type_t type; /* Type of memory mapped */ 437 drm_map_flags_t flags; /* Flags */ 438 void *handle; /* User-space: "Handle" to pass to mmap */ 439 /* Kernel-space: kernel-virtual address */ 440 int mtrr; /* Boolean: MTRR used */ 441 /* Private data */ 442 int rid; /* PCI resource ID for bus_space */ 443 int kernel_owned; /* Boolean: 1= initmapped, 0= addmapped */ 444 caddr_t dev_addr; /* base device address */ 445 ddi_acc_handle_t dev_handle; /* The data access handle */ 446 ddi_umem_cookie_t drm_umem_cookie; /* For SAREA alloc and free */ 447 TAILQ_ENTRY(drm_local_map) link; 448 } drm_local_map_t; 449 /* END CSTYLED */ 450 451 TAILQ_HEAD(drm_vbl_sig_list, drm_vbl_sig); 452 typedef struct drm_vbl_sig { 453 TAILQ_ENTRY(drm_vbl_sig) link; 454 unsigned int sequence; 455 int signo; 456 int pid; 457 } drm_vbl_sig_t; 458 459 typedef struct drm_file drm_file_t; 460 461 /* used for clone device */ 462 struct minordev { 463 struct minordev *next; 464 int cloneminor; 465 }; 466 467 /* DRM softstate structure */ 468 struct drm_softstate { 469 int cloneopens; 470 struct minordev *minordevs; 471 dev_info_t *dip; 472 ldi_ident_t drm_li; 473 ldi_ident_t agpgart_li; 474 ldi_handle_t vgatext_hdl; 475 ldi_handle_t agpgart_hdl; 476 ddi_acc_handle_t pci_cfg_hdl; 477 int drm_supported; 478 const char *desc; /* current driver description */ 479 kmutex_t *irq_mutex; 480 kcondvar_t *irq_cv; 481 482 ddi_iblock_cookie_t intr_block; 483 /* workaround */ 484 /* the agp umem kernel virtual address, for radeon */ 485 unsigned long agp_umem_kvaddr; 486 487 /* For alloc consitent physical address */ 488 ddi_dma_handle_t hw_dma_handle; /* For hardware status page */ 489 ddi_acc_handle_t hw_dma_acc_handle; /* For hardware status page */ 490 uint64_t hw_pbase; /* hw status page phys. address */ 491 caddr_t hw_vbase; /* hw status page ker. virt. add. */ 492 size_t hw_size; /* hw status page size */ 493 494 /* Beginning of driver-config section */ 495 int (*load)(struct drm_softstate *, unsigned long flags); 496 int (*firstopen)(struct drm_softstate *); 497 int (*open)(struct drm_softstate *, drm_file_t *); 498 void (*preclose)(struct drm_softstate *, void *); 499 void (*postclose)(struct drm_softstate *, drm_file_t *); 500 void (*lastclose)(struct drm_softstate *); 501 int (*unload)(struct drm_softstate *); 502 void (*reclaim_buffers_locked)(struct drm_softstate *, void *filp); 503 int (*presetup)(struct drm_softstate *); 504 int (*postsetup)(struct drm_softstate *); 505 int (*open_helper)(struct drm_softstate *, drm_file_t *); 506 void (*free_filp_priv)(struct drm_softstate *, drm_file_t *); 507 void (*release)(struct drm_softstate *, void *filp); 508 int (*dma_ioctl)(DRM_IOCTL_ARGS); 509 void (*dma_ready)(struct drm_softstate *); 510 int (*dma_quiescent)(struct drm_softstate *); 511 int (*dma_flush_block_and_flush)(struct drm_softstate *, 512 int context, 513 drm_lock_flags_t flags); 514 int (*dma_flush_unblock)(struct drm_softstate *, int context, 515 drm_lock_flags_t flags); 516 int (*context_ctor)(struct drm_softstate *dev, int context); 517 int (*context_dtor)(struct drm_softstate *dev, int context); 518 int (*kernel_context_switch)(struct drm_softstate *dev, int old, 519 int new); 520 int (*kernel_context_switch_unlock)(struct drm_softstate *dev); 521 void (*irq_preinstall)(struct drm_softstate *); 522 void (*irq_postinstall)(struct drm_softstate *); 523 void (*irq_uninstall)(struct drm_softstate *dev); 524 uint_t (*irq_handler)(DRM_IRQ_ARGS); 525 int (*vblank_wait)(struct drm_softstate *dev, 526 unsigned int *sequence); 527 528 drm_ioctl_desc_t *driver_ioctls; 529 int max_driver_ioctl; 530 531 int dev_priv_size; 532 533 int driver_major; 534 int driver_minor; 535 int driver_patchlevel; 536 const char *driver_name; /* Simple driver name */ 537 const char *driver_desc; /* Longer driver name */ 538 const char *driver_date; /* Date of last major changes. */ 539 540 unsigned use_agp :1; 541 unsigned require_agp :1; 542 unsigned use_sg :1; 543 unsigned use_dma :1; 544 unsigned use_pci_dma :1; 545 unsigned use_dma_queue :1; 546 unsigned use_irq :1; 547 unsigned use_vbl_irq :1; 548 unsigned use_mtrr :1; 549 /* End of driver-config section */ 550 551 char *unique; /* Unique identifier: e.g., busid */ 552 int unique_len; /* Length of unique field */ 553 int if_version; /* Highest interface version set */ 554 int flags; /* Flags to open(2) */ 555 556 /* Locks */ 557 kmutex_t dma_lock; /* protects dev->dma */ 558 kmutex_t irq_lock; /* protects irq condition checks */ 559 kmutex_t dev_lock; /* protects everything else */ 560 drm_lock_data_t lock; /* Information on hardware lock */ 561 562 /* Usage Counters */ 563 int open_count; /* Outstanding files open */ 564 int buf_use; /* Buffers in use -- cannot alloc */ 565 566 /* Performance counters */ 567 unsigned long counters; 568 drm_stat_type_t types[15]; 569 uint32_t counts[15]; 570 571 /* Authentication */ 572 drm_file_list_t files; 573 drm_magic_head_t magiclist[DRM_HASH_SIZE]; 574 575 /* Linked list of mappable regions. Protected by dev_lock */ 576 drm_map_list_t maplist; 577 578 drm_local_map_t **context_sareas; 579 int max_context; 580 581 /* DMA queues (contexts) */ 582 drm_device_dma_t *dma; /* Optional pointer for DMA support */ 583 584 /* Context support */ 585 int irq; /* Interrupt used by board */ 586 int irq_enabled; /* True if the irq handler is enabled */ 587 int pci_domain; 588 int pci_bus; 589 int pci_slot; 590 int pci_func; 591 atomic_t context_flag; /* Context swapping flag */ 592 int last_context; /* Last current context */ 593 int vbl_queue; /* vbl wait channel */ 594 atomic_t vbl_received; 595 pid_t buf_pgid; 596 drm_agp_head_t *agp; 597 drm_sg_mem_t *sg; /* Scatter gather memory */ 598 uint32_t *ctx_bitmap; 599 void *dev_private; 600 unsigned int agp_buffer_token; 601 drm_local_map_t *agp_buffer_map; 602 603 kstat_t *asoft_ksp; /* kstat support */ 604 }; 605 606 607 /* We add function to support DRM_DEBUG,DRM_ERROR,DRM_INFO */ 608 extern void drm_debug(const char *fmt, ...); 609 extern void drm_error(const char *fmt, ...); 610 extern void drm_info(const char *fmt, ...); 611 612 /* Memory management support (drm_memory.c) */ 613 void drm_mem_init(void); 614 void drm_mem_uninit(void); 615 void *drm_alloc(size_t size, int area); 616 void *drm_calloc(size_t nmemb, size_t size, int area); 617 void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area); 618 void drm_free(void *pt, size_t size, int area); 619 int drm_ioremap(drm_softstate_t *, drm_local_map_t *); 620 void drm_ioremapfree(drm_local_map_t *map); 621 622 void drm_core_ioremap(struct drm_local_map *, struct drm_softstate *); 623 void drm_core_ioremapfree(struct drm_local_map *, struct drm_softstate *); 624 625 void drm_pci_free(drm_softstate_t *); 626 void *drm_pci_alloc(drm_softstate_t *, uint32_t, dma_addr_t *); 627 628 struct drm_local_map *drm_core_findmap(struct drm_softstate *, unsigned long); 629 630 int drm_context_switch(drm_softstate_t *dev, int old, int new); 631 int drm_context_switch_complete(drm_softstate_t *dev, int new); 632 int drm_ctxbitmap_init(drm_softstate_t *dev); 633 void drm_ctxbitmap_cleanup(drm_softstate_t *dev); 634 void drm_ctxbitmap_free(drm_softstate_t *dev, int ctx_handle); 635 int drm_ctxbitmap_next(drm_softstate_t *dev); 636 637 /* Locking IOCTL support (drm_lock.c) */ 638 int drm_lock_take(volatile unsigned int *lock, unsigned int context); 639 int drm_lock_transfer(drm_softstate_t *dev, 640 volatile unsigned int *lock, 641 unsigned int context); 642 int drm_lock_free(drm_softstate_t *dev, 643 volatile unsigned int *lock, 644 unsigned int context); 645 646 /* Buffer management support (drm_bufs.c) */ 647 unsigned long drm_get_resource_start(drm_softstate_t *dev, 648 unsigned int resource); 649 unsigned long drm_get_resource_len(drm_softstate_t *dev, unsigned int resource); 650 int drm_initmap(drm_softstate_t *dev, unsigned long start, 651 unsigned long len, unsigned int resource, int type, int flags); 652 void drm_rmmap(drm_softstate_t *dev, drm_local_map_t *map); 653 int drm_addmap(drm_device_t *softstate, unsigned long long offset, 654 unsigned long size, drm_map_type_t type, drm_map_flags_t flags, 655 drm_local_map_t **map_ptr); 656 int drm_order(unsigned long size); 657 658 /* DMA support (drm_dma.c) */ 659 int drm_dma_setup(drm_softstate_t *dev); 660 void drm_dma_takedown(drm_softstate_t *dev); 661 void drm_free_buffer(drm_softstate_t *dev, drm_buf_t *buf); 662 void drm_reclaim_buffers(drm_softstate_t *dev, DRMFILE filp); 663 664 /* IRQ support (drm_irq.c) */ 665 int drm_irq_install(drm_softstate_t *dev); 666 int drm_irq_uninstall(drm_softstate_t *dev); 667 uint_t drm_irq_handler(DRM_IRQ_ARGS); 668 void drm_driver_irq_preinstall(drm_softstate_t *dev); 669 void drm_driver_irq_postinstall(drm_softstate_t *dev); 670 void drm_driver_irq_uninstall(drm_softstate_t *dev); 671 int drm_vblank_wait(drm_softstate_t *dev, unsigned int *vbl_seq); 672 void drm_vbl_send_signals(drm_softstate_t *dev); 673 674 /* AGP/GART support (drm_agpsupport.c) */ 675 int drm_device_is_agp(drm_softstate_t *dev); 676 int drm_device_is_pcie(drm_softstate_t *dev); 677 drm_agp_head_t *drm_agp_init(); 678 void drm_agp_uninit(drm_agp_head_t *); 679 int drm_agp_do_release(drm_softstate_t *); 680 void *drm_agp_allocate_memory(size_t pages, uint32_t type); 681 int drm_agp_free_memory(void *handle); 682 int drm_agp_bind_memory(unsigned int, uint32_t, drm_device_t *); 683 int drm_agp_unbind_memory(unsigned long, uint32_t, drm_device_t *); 684 685 /* kstat support (drm_kstats.c) */ 686 int drm_init_kstats(drm_softstate_t *sc); 687 void drm_fini_kstats(drm_softstate_t *sc); 688 689 /* Scatter Gather Support (drm_scatter.c) */ 690 void drm_sg_cleanup(drm_sg_mem_t *entry); 691 692 /* ATI PCIGART support (ati_pcigart.c) */ 693 int drm_ati_pcigart_init(drm_softstate_t *dev, unsigned long *addr, 694 unsigned long *bus_addr, int is_pcie); 695 int drm_ati_pcigart_cleanup(drm_softstate_t *dev, unsigned long addr, 696 unsigned long bus_addr); 697 698 /* Locking IOCTL support (drm_drv.c) */ 699 int drm_lock(DRM_IOCTL_ARGS); 700 int drm_unlock(DRM_IOCTL_ARGS); 701 int drm_version(DRM_IOCTL_ARGS); 702 int drm_setversion(DRM_IOCTL_ARGS); 703 704 /* Misc. IOCTL support (drm_ioctl.c) */ 705 int drm_irq_by_busid(DRM_IOCTL_ARGS); 706 int drm_getunique(DRM_IOCTL_ARGS); 707 int drm_setunique(DRM_IOCTL_ARGS); 708 int drm_getmap(DRM_IOCTL_ARGS); 709 int drm_getclient(DRM_IOCTL_ARGS); 710 int drm_getstats(DRM_IOCTL_ARGS); 711 int drm_noop(DRM_IOCTL_ARGS); 712 713 /* Context IOCTL support (drm_context.c) */ 714 int drm_resctx(DRM_IOCTL_ARGS); 715 int drm_addctx(DRM_IOCTL_ARGS); 716 int drm_modctx(DRM_IOCTL_ARGS); 717 int drm_getctx(DRM_IOCTL_ARGS); 718 int drm_switchctx(DRM_IOCTL_ARGS); 719 int drm_newctx(DRM_IOCTL_ARGS); 720 int drm_rmctx(DRM_IOCTL_ARGS); 721 int drm_setsareactx(DRM_IOCTL_ARGS); 722 int drm_getsareactx(DRM_IOCTL_ARGS); 723 724 /* Drawable IOCTL support (drm_drawable.c) */ 725 int drm_adddraw(DRM_IOCTL_ARGS); 726 int drm_rmdraw(DRM_IOCTL_ARGS); 727 728 /* Authentication IOCTL support (drm_auth.c) */ 729 int drm_getmagic(DRM_IOCTL_ARGS); 730 int drm_authmagic(DRM_IOCTL_ARGS); 731 int drm_remove_magic(drm_device_t *dev, drm_magic_t magic); 732 drm_file_t *drm_find_file(drm_device_t *dev, drm_magic_t magic); 733 /* Buffer management support (drm_bufs.c) */ 734 int drm_addmap_ioctl(DRM_IOCTL_ARGS); 735 int drm_rmmap_ioctl(DRM_IOCTL_ARGS); 736 int drm_addbufs_ioctl(DRM_IOCTL_ARGS); 737 int drm_infobufs(DRM_IOCTL_ARGS); 738 int drm_markbufs(DRM_IOCTL_ARGS); 739 int drm_freebufs(DRM_IOCTL_ARGS); 740 int drm_mapbufs(DRM_IOCTL_ARGS); 741 742 /* DMA support (drm_dma.c) */ 743 int drm_dma(DRM_IOCTL_ARGS); 744 745 /* IRQ support (drm_irq.c) */ 746 int drm_control(DRM_IOCTL_ARGS); 747 int drm_wait_vblank(DRM_IOCTL_ARGS); 748 749 /* AGP/GART support (drm_agpsupport.c) */ 750 int drm_agp_acquire(DRM_IOCTL_ARGS); 751 int drm_agp_release(DRM_IOCTL_ARGS); 752 int drm_agp_enable(DRM_IOCTL_ARGS); 753 int drm_agp_info(DRM_IOCTL_ARGS); 754 int drm_agp_alloc(DRM_IOCTL_ARGS); 755 int drm_agp_free(DRM_IOCTL_ARGS); 756 int drm_agp_unbind(DRM_IOCTL_ARGS); 757 int drm_agp_bind(DRM_IOCTL_ARGS); 758 759 /* Scatter Gather Support (drm_scatter.c) */ 760 int drm_sg_alloc(DRM_IOCTL_ARGS); 761 int drm_sg_free(DRM_IOCTL_ARGS); 762 763 extern int drm_debug_flag; 764 #define DRM_DEBUG if (drm_debug_flag >= 2) drm_debug 765 #define DRM_ERROR drm_error 766 #define DRM_INFO if (drm_debug_flag >= 1) drm_info 767 768 #define MAX_INSTNUMS 16 769 770 extern int drm_open(drm_softstate_t *, dev_t *, int, int, cred_t *); 771 extern int drm_close(drm_softstate_t *, dev_t, int, int, cred_t *); 772 extern int drm_attach(drm_softstate_t *); 773 extern int drm_detach(drm_softstate_t *); 774 extern int drm_probe(drm_softstate_t *, drm_pci_id_list_t *); 775 776 extern int drm_pci_init(drm_softstate_t *); 777 extern void drm_pci_end(drm_softstate_t *); 778 extern int pci_get_info(drm_softstate_t *, int *, int *, int *); 779 extern int pci_get_irq(drm_softstate_t *); 780 extern int pci_get_vendor(drm_softstate_t *); 781 extern int pci_get_device(drm_softstate_t *); 782 783 void drm_set_ioctl_desc(int, drm_ioctl_t *, int, int, char *); 784 785 extern void set_bit(int, volatile void *); 786 extern void clear_bit(int, volatile void *); 787 extern int test_and_set_bit(int, volatile void *); 788 extern int test_and_clear_bit(int, volatile void *); 789 extern int find_first_zero_bit(void *, unsigned); 790 extern int atomic_cmpset_int(volatile unsigned int *, unsigned int, 791 unsigned int); 792 793 /* File Operations helpers (drm_fops.c) */ 794 extern drm_file_t *drm_find_file_by_proc(drm_softstate_t *, cred_t *); 795 extern int drm_open_helper(drm_softstate_t *, int, int, cred_t *); 796 797 #endif /* _DRMP_H */ 798