196enum {
197 DRM_IS_NOT_AGP,
198 DRM_IS_AGP,
199 DRM_MIGHT_BE_AGP
200};
201#define DRM_AGP_MEM struct agp_memory_info
202
203#define drm_get_device_from_kdev(_kdev) (_kdev->si_drv1)
204
205#define PAGE_ALIGN(addr) round_page(addr)
206/* DRM_SUSER returns true if the user is superuser */
207#if __FreeBSD_version >= 700000
208#define DRM_SUSER(p) (priv_check(p, PRIV_DRIVER) == 0)
209#else
210#define DRM_SUSER(p) (suser(p) == 0)
211#endif
212#define DRM_AGP_FIND_DEVICE() agp_find_device()
213#define DRM_MTRR_WC MDF_WRITECOMBINE
214#define jiffies ticks
215
216typedef unsigned long dma_addr_t;
217typedef u_int64_t u64;
218typedef u_int32_t u32;
219typedef u_int16_t u16;
220typedef u_int8_t u8;
221
222/* DRM_READMEMORYBARRIER() prevents reordering of reads.
223 * DRM_WRITEMEMORYBARRIER() prevents reordering of writes.
224 * DRM_MEMORYBARRIER() prevents reordering of reads and writes.
225 */
226#define DRM_READMEMORYBARRIER() rmb()
227#define DRM_WRITEMEMORYBARRIER() wmb()
228#define DRM_MEMORYBARRIER() mb()
229
230#define DRM_READ8(map, offset) \
231 *(volatile u_int8_t *)(((vm_offset_t)(map)->handle) + \
232 (vm_offset_t)(offset))
233#define DRM_READ16(map, offset) \
234 *(volatile u_int16_t *)(((vm_offset_t)(map)->handle) + \
235 (vm_offset_t)(offset))
236#define DRM_READ32(map, offset) \
237 *(volatile u_int32_t *)(((vm_offset_t)(map)->handle) + \
238 (vm_offset_t)(offset))
239#define DRM_WRITE8(map, offset, val) \
240 *(volatile u_int8_t *)(((vm_offset_t)(map)->handle) + \
241 (vm_offset_t)(offset)) = val
242#define DRM_WRITE16(map, offset, val) \
243 *(volatile u_int16_t *)(((vm_offset_t)(map)->handle) + \
244 (vm_offset_t)(offset)) = val
245#define DRM_WRITE32(map, offset, val) \
246 *(volatile u_int32_t *)(((vm_offset_t)(map)->handle) + \
247 (vm_offset_t)(offset)) = val
248
249#define DRM_VERIFYAREA_READ( uaddr, size ) \
250 (!useracc(__DECONST(caddr_t, uaddr), size, VM_PROT_READ))
251
252#define DRM_COPY_TO_USER(user, kern, size) \
253 copyout(kern, user, size)
254#define DRM_COPY_FROM_USER(kern, user, size) \
255 copyin(user, kern, size)
256#define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \
257 copyin(arg2, arg1, arg3)
258#define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \
259 copyout(arg2, arg1, arg3)
260#define DRM_GET_USER_UNCHECKED(val, uaddr) \
261 ((val) = fuword32(uaddr), 0)
262
263#define cpu_to_le32(x) htole32(x)
264#define le32_to_cpu(x) le32toh(x)
265
266#define DRM_HZ hz
267#define DRM_UDELAY(udelay) DELAY(udelay)
268#define DRM_TIME_SLICE (hz/20) /* Time slice for GLXContexts */
269
270#define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \
271 (_map) = (_dev)->context_sareas[_ctx]; \
272} while(0)
273
274#define LOCK_TEST_WITH_RETURN(dev, file_priv) \
275do { \
276 if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \
277 dev->lock.file_priv != file_priv) { \
278 DRM_ERROR("%s called without lock held\n", \
279 __FUNCTION__); \
280 return EINVAL; \
281 } \
282} while (0)
283
284/* Returns -errno to shared code */
285#define DRM_WAIT_ON( ret, queue, timeout, condition ) \
286for ( ret = 0 ; !ret && !(condition) ; ) { \
287 DRM_UNLOCK(); \
288 mtx_lock(&dev->irq_lock); \
289 if (!(condition)) \
290 ret = -mtx_sleep(&(queue), &dev->irq_lock, \
291 PCATCH, "drmwtq", (timeout)); \
292 mtx_unlock(&dev->irq_lock); \
293 DRM_LOCK(); \
294}
295
296#define DRM_ERROR(fmt, ...) \
297 printf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt, \
298 DRM_CURRENTPID, __func__ , ##__VA_ARGS__)
299
300#define DRM_INFO(fmt, ...) printf("info: [" DRM_NAME "] " fmt , ##__VA_ARGS__)
301
302#define DRM_DEBUG(fmt, ...) do { \
303 if (drm_debug_flag) \
304 printf("[" DRM_NAME ":pid%d:%s] " fmt, DRM_CURRENTPID, \
305 __func__ , ##__VA_ARGS__); \
306} while (0)
307
308typedef struct drm_pci_id_list
309{
310 int vendor;
311 int device;
312 long driver_private;
313 char *name;
314} drm_pci_id_list_t;
315
316struct drm_msi_blacklist_entry
317{
318 int vendor;
319 int device;
320};
321
322#define DRM_AUTH 0x1
323#define DRM_MASTER 0x2
324#define DRM_ROOT_ONLY 0x4
325typedef struct drm_ioctl_desc {
326 unsigned long cmd;
327 int (*func)(struct drm_device *dev, void *data,
328 struct drm_file *file_priv);
329 int flags;
330} drm_ioctl_desc_t;
331/**
332 * Creates a driver or general drm_ioctl_desc array entry for the given
333 * ioctl, for use by drm_ioctl().
334 */
335#define DRM_IOCTL_DEF(ioctl, func, flags) \
336 [DRM_IOCTL_NR(ioctl)] = {ioctl, func, flags}
337
338typedef struct drm_magic_entry {
339 drm_magic_t magic;
340 struct drm_file *priv;
341 struct drm_magic_entry *next;
342} drm_magic_entry_t;
343
344typedef struct drm_magic_head {
345 struct drm_magic_entry *head;
346 struct drm_magic_entry *tail;
347} drm_magic_head_t;
348
349typedef struct drm_buf {
350 int idx; /* Index into master buflist */
351 int total; /* Buffer size */
352 int order; /* log-base-2(total) */
353 int used; /* Amount of buffer in use (for DMA) */
354 unsigned long offset; /* Byte offset (used internally) */
355 void *address; /* Address of buffer */
356 unsigned long bus_address; /* Bus address of buffer */
357 struct drm_buf *next; /* Kernel-only: used for free list */
358 __volatile__ int pending; /* On hardware DMA queue */
359 struct drm_file *file_priv; /* Unique identifier of holding process */
360 int context; /* Kernel queue for this buffer */
361 enum {
362 DRM_LIST_NONE = 0,
363 DRM_LIST_FREE = 1,
364 DRM_LIST_WAIT = 2,
365 DRM_LIST_PEND = 3,
366 DRM_LIST_PRIO = 4,
367 DRM_LIST_RECLAIM = 5
368 } list; /* Which list we're on */
369
370 int dev_priv_size; /* Size of buffer private stoarge */
371 void *dev_private; /* Per-buffer private storage */
372} drm_buf_t;
373
374typedef struct drm_freelist {
375 int initialized; /* Freelist in use */
376 atomic_t count; /* Number of free buffers */
377 drm_buf_t *next; /* End pointer */
378
379 int low_mark; /* Low water mark */
380 int high_mark; /* High water mark */
381} drm_freelist_t;
382
383typedef struct drm_dma_handle {
384 void *vaddr;
385 bus_addr_t busaddr;
386 bus_dma_tag_t tag;
387 bus_dmamap_t map;
388} drm_dma_handle_t;
389
390typedef struct drm_buf_entry {
391 int buf_size;
392 int buf_count;
393 drm_buf_t *buflist;
394 int seg_count;
395 drm_dma_handle_t **seglist;
396 int page_order;
397
398 drm_freelist_t freelist;
399} drm_buf_entry_t;
400
401typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t;
402struct drm_file {
403 TAILQ_ENTRY(drm_file) link;
404 struct drm_device *dev;
405 int authenticated;
406 int master;
407 pid_t pid;
408 uid_t uid;
409 drm_magic_t magic;
410 unsigned long ioctl_count;
411 void *driver_priv;
412};
413
414typedef struct drm_lock_data {
415 struct drm_hw_lock *hw_lock; /* Hardware lock */
416 struct drm_file *file_priv; /* Unique identifier of holding process (NULL is kernel)*/
417 int lock_queue; /* Queue of blocked processes */
418 unsigned long lock_time; /* Time of last lock in jiffies */
419} drm_lock_data_t;
420
421/* This structure, in the struct drm_device, is always initialized while the
422 * device
423 * is open. dev->dma_lock protects the incrementing of dev->buf_use, which
424 * when set marks that no further bufs may be allocated until device teardown
425 * occurs (when the last open of the device has closed). The high/low
426 * watermarks of bufs are only touched by the X Server, and thus not
427 * concurrently accessed, so no locking is needed.
428 */
429typedef struct drm_device_dma {
430 drm_buf_entry_t bufs[DRM_MAX_ORDER+1];
431 int buf_count;
432 drm_buf_t **buflist; /* Vector of pointers info bufs */
433 int seg_count;
434 int page_count;
435 unsigned long *pagelist;
436 unsigned long byte_count;
437 enum {
438 _DRM_DMA_USE_AGP = 0x01,
439 _DRM_DMA_USE_SG = 0x02
440 } flags;
441} drm_device_dma_t;
442
443typedef struct drm_agp_mem {
444 void *handle;
445 unsigned long bound; /* address */
446 int pages;
447 struct drm_agp_mem *prev;
448 struct drm_agp_mem *next;
449} drm_agp_mem_t;
450
451typedef struct drm_agp_head {
452 device_t agpdev;
453 struct agp_info info;
454 const char *chipset;
455 drm_agp_mem_t *memory;
456 unsigned long mode;
457 int enabled;
458 int acquired;
459 unsigned long base;
460 int mtrr;
461 int cant_use_aperture;
462 unsigned long page_mask;
463} drm_agp_head_t;
464
465typedef struct drm_sg_mem {
466 unsigned long handle;
467 void *virtual;
468 int pages;
469 dma_addr_t *busaddr;
470 struct drm_dma_handle *dmah; /* Handle to PCI memory */
471} drm_sg_mem_t;
472
473typedef TAILQ_HEAD(drm_map_list, drm_local_map) drm_map_list_t;
474
475typedef struct drm_local_map {
476 unsigned long offset; /* Physical address (0 for SAREA)*/
477 unsigned long size; /* Physical size (bytes) */
478 enum drm_map_type type; /* Type of memory mapped */
479 enum drm_map_flags flags; /* Flags */
480 void *handle; /* User-space: "Handle" to pass to mmap */
481 /* Kernel-space: kernel-virtual address */
482 int mtrr; /* Boolean: MTRR used */
483 /* Private data */
484 int rid; /* PCI resource ID for bus_space */
485 struct resource *bsr;
486 bus_space_tag_t bst;
487 bus_space_handle_t bsh;
488 drm_dma_handle_t *dmah;
489 TAILQ_ENTRY(drm_local_map) link;
490} drm_local_map_t;
491
492struct drm_vblank_info {
493 wait_queue_head_t queue; /* vblank wait queue */
494 atomic_t count; /* number of VBLANK interrupts */
495 /* (driver must alloc the right number of counters) */
496 atomic_t refcount; /* number of users of vblank interrupts */
497 u32 last; /* protected by dev->vbl_lock, used */
498 /* for wraparound handling */
499 int enabled; /* so we don't call enable more than */
500 /* once per disable */
501 int inmodeset; /* Display driver is setting mode */
502};
503
504/* location of GART table */
505#define DRM_ATI_GART_MAIN 1
506#define DRM_ATI_GART_FB 2
507
508#define DRM_ATI_GART_PCI 1
509#define DRM_ATI_GART_PCIE 2
510#define DRM_ATI_GART_IGP 3
511
512struct drm_ati_pcigart_info {
513 int gart_table_location;
514 int gart_reg_if;
515 void *addr;
516 dma_addr_t bus_addr;
517 dma_addr_t table_mask;
518 dma_addr_t member_mask;
519 struct drm_dma_handle *table_handle;
520 drm_local_map_t mapping;
521 int table_size;
522 struct drm_dma_handle *dmah; /* handle for ATI PCIGART table */
523};
524
525#ifndef DMA_BIT_MASK
526#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : (1ULL<<(n)) - 1)
527#endif
528
529#define upper_32_bits(n) ((u32)(((n) >> 16) >> 16))
530
531struct drm_driver_info {
532 int (*load)(struct drm_device *, unsigned long flags);
533 int (*firstopen)(struct drm_device *);
534 int (*open)(struct drm_device *, struct drm_file *);
535 void (*preclose)(struct drm_device *, struct drm_file *file_priv);
536 void (*postclose)(struct drm_device *, struct drm_file *);
537 void (*lastclose)(struct drm_device *);
538 int (*unload)(struct drm_device *);
539 void (*reclaim_buffers_locked)(struct drm_device *,
540 struct drm_file *file_priv);
541 int (*dma_ioctl)(struct drm_device *dev, void *data,
542 struct drm_file *file_priv);
543 void (*dma_ready)(struct drm_device *);
544 int (*dma_quiescent)(struct drm_device *);
545 int (*dma_flush_block_and_flush)(struct drm_device *, int context,
546 enum drm_lock_flags flags);
547 int (*dma_flush_unblock)(struct drm_device *, int context,
548 enum drm_lock_flags flags);
549 int (*context_ctor)(struct drm_device *dev, int context);
550 int (*context_dtor)(struct drm_device *dev, int context);
551 int (*kernel_context_switch)(struct drm_device *dev, int old,
552 int new);
553 int (*kernel_context_switch_unlock)(struct drm_device *dev);
554 void (*irq_preinstall)(struct drm_device *dev);
555 int (*irq_postinstall)(struct drm_device *dev);
556 void (*irq_uninstall)(struct drm_device *dev);
557 void (*irq_handler)(DRM_IRQ_ARGS);
558 u32 (*get_vblank_counter)(struct drm_device *dev, int crtc);
559 int (*enable_vblank)(struct drm_device *dev, int crtc);
560 void (*disable_vblank)(struct drm_device *dev, int crtc);
561
562 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */
563
564 /**
565 * Called by \c drm_device_is_agp. Typically used to determine if a
566 * card is really attached to AGP or not.
567 *
568 * \param dev DRM device handle
569 *
570 * \returns
571 * One of three values is returned depending on whether or not the
572 * card is absolutely \b not AGP (return of 0), absolutely \b is AGP
573 * (return of 1), or may or may not be AGP (return of 2).
574 */
575 int (*device_is_agp) (struct drm_device * dev);
576
577 drm_ioctl_desc_t *ioctls;
578 int max_ioctl;
579
580 int buf_priv_size;
581
582 int major;
583 int minor;
584 int patchlevel;
585 const char *name; /* Simple driver name */
586 const char *desc; /* Longer driver name */
587 const char *date; /* Date of last major changes. */
588
589 u32 driver_features;
590};
591
592/* Length for the array of resource pointers for drm_get_resource_*. */
593#define DRM_MAX_PCI_RESOURCE 6
594
595/**
596 * DRM device functions structure
597 */
598struct drm_device {
599 struct drm_driver_info *driver;
600 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */
601
602 u_int16_t pci_device; /* PCI device id */
603 u_int16_t pci_vendor; /* PCI vendor id */
604
605 char *unique; /* Unique identifier: e.g., busid */
606 int unique_len; /* Length of unique field */
607 device_t device; /* Device instance from newbus */
608 struct cdev *devnode; /* Device number for mknod */
609 int if_version; /* Highest interface version set */
610
611 int flags; /* Flags to open(2) */
612
613 /* Locks */
614 struct mtx vbl_lock; /* protects vblank operations */
615 struct mtx dma_lock; /* protects dev->dma */
616 struct mtx irq_lock; /* protects irq condition checks */
617 struct mtx dev_lock; /* protects everything else */
618 DRM_SPINTYPE drw_lock;
619
620 /* Usage Counters */
621 int open_count; /* Outstanding files open */
622 int buf_use; /* Buffers in use -- cannot alloc */
623
624 /* Performance counters */
625 unsigned long counters;
626 enum drm_stat_type types[15];
627 atomic_t counts[15];
628
629 /* Authentication */
630 drm_file_list_t files;
631 drm_magic_head_t magiclist[DRM_HASH_SIZE];
632
633 /* Linked list of mappable regions. Protected by dev_lock */
634 drm_map_list_t maplist;
635
636 drm_local_map_t **context_sareas;
637 int max_context;
638
639 drm_lock_data_t lock; /* Information on hardware lock */
640
641 /* DMA queues (contexts) */
642 drm_device_dma_t *dma; /* Optional pointer for DMA support */
643
644 /* Context support */
645 int irq; /* Interrupt used by board */
646 int irq_enabled; /* True if the irq handler is enabled */
647 int msi_enabled; /* MSI enabled */
648 int irqrid; /* Interrupt used by board */
649 struct resource *irqr; /* Resource for interrupt used by board */
650 void *irqh; /* Handle from bus_setup_intr */
651
652 /* Storage of resource pointers for drm_get_resource_* */
653 struct resource *pcir[DRM_MAX_PCI_RESOURCE];
654 int pcirid[DRM_MAX_PCI_RESOURCE];
655
656 int pci_domain;
657 int pci_bus;
658 int pci_slot;
659 int pci_func;
660
661 atomic_t context_flag; /* Context swapping flag */
662 int last_context; /* Last current context */
663
664 int vblank_disable_allowed;
665 struct callout vblank_disable_timer;
666 u32 max_vblank_count; /* size of vblank counter register */
667 struct drm_vblank_info *vblank; /* per crtc vblank info */
668 int num_crtcs;
669
670 struct sigio *buf_sigio; /* Processes waiting for SIGIO */
671
672 /* Sysctl support */
673 struct drm_sysctl_info *sysctl;
674
675 drm_agp_head_t *agp;
676 drm_sg_mem_t *sg; /* Scatter gather memory */
677 atomic_t *ctx_bitmap;
678 void *dev_private;
679 unsigned int agp_buffer_token;
680 drm_local_map_t *agp_buffer_map;
681
682 struct unrhdr *drw_unrhdr;
683 /* RB tree of drawable infos */
684 RB_HEAD(drawable_tree, bsd_drm_drawable_info) drw_head;
685};
686
687static __inline__ int drm_core_check_feature(struct drm_device *dev,
688 int feature)
689{
690 return ((dev->driver->driver_features & feature) ? 1 : 0);
691}
692
693#if __OS_HAS_AGP
694static inline int drm_core_has_AGP(struct drm_device *dev)
695{
696 return drm_core_check_feature(dev, DRIVER_USE_AGP);
697}
698#else
699#define drm_core_has_AGP(dev) (0)
700#endif
701
702extern int drm_debug_flag;
703
704/* Device setup support (drm_drv.c) */
705int drm_probe(device_t kdev, drm_pci_id_list_t *idlist);
706int drm_attach(device_t kdev, drm_pci_id_list_t *idlist);
707void drm_close(void *data);
708int drm_detach(device_t kdev);
709d_ioctl_t drm_ioctl;
710d_open_t drm_open;
711d_read_t drm_read;
712d_poll_t drm_poll;
713d_mmap_t drm_mmap;
714extern drm_local_map_t *drm_getsarea(struct drm_device *dev);
715
716/* File operations helpers (drm_fops.c) */
717extern int drm_open_helper(struct cdev *kdev, int flags, int fmt,
718 DRM_STRUCTPROC *p,
719 struct drm_device *dev);
720
721/* Memory management support (drm_memory.c) */
722void drm_mem_init(void);
723void drm_mem_uninit(void);
724void *drm_ioremap_wc(struct drm_device *dev, drm_local_map_t *map);
725void *drm_ioremap(struct drm_device *dev, drm_local_map_t *map);
726void drm_ioremapfree(drm_local_map_t *map);
727int drm_mtrr_add(unsigned long offset, size_t size, int flags);
728int drm_mtrr_del(int handle, unsigned long offset, size_t size, int flags);
729
730int drm_context_switch(struct drm_device *dev, int old, int new);
731int drm_context_switch_complete(struct drm_device *dev, int new);
732
733int drm_ctxbitmap_init(struct drm_device *dev);
734void drm_ctxbitmap_cleanup(struct drm_device *dev);
735void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle);
736int drm_ctxbitmap_next(struct drm_device *dev);
737
738/* Locking IOCTL support (drm_lock.c) */
739int drm_lock_take(struct drm_lock_data *lock_data,
740 unsigned int context);
741int drm_lock_transfer(struct drm_lock_data *lock_data,
742 unsigned int context);
743int drm_lock_free(struct drm_lock_data *lock_data,
744 unsigned int context);
745
746/* Buffer management support (drm_bufs.c) */
747unsigned long drm_get_resource_start(struct drm_device *dev,
748 unsigned int resource);
749unsigned long drm_get_resource_len(struct drm_device *dev,
750 unsigned int resource);
751void drm_rmmap(struct drm_device *dev, drm_local_map_t *map);
752int drm_order(unsigned long size);
753int drm_addmap(struct drm_device *dev, unsigned long offset,
754 unsigned long size,
755 enum drm_map_type type, enum drm_map_flags flags,
756 drm_local_map_t **map_ptr);
757int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc *request);
758int drm_addbufs_sg(struct drm_device *dev, struct drm_buf_desc *request);
759int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc *request);
760
761/* DMA support (drm_dma.c) */
762int drm_dma_setup(struct drm_device *dev);
763void drm_dma_takedown(struct drm_device *dev);
764void drm_free_buffer(struct drm_device *dev, drm_buf_t *buf);
765void drm_reclaim_buffers(struct drm_device *dev, struct drm_file *file_priv);
766#define drm_core_reclaim_buffers drm_reclaim_buffers
767
768/* IRQ support (drm_irq.c) */
769int drm_irq_install(struct drm_device *dev);
770int drm_irq_uninstall(struct drm_device *dev);
771irqreturn_t drm_irq_handler(DRM_IRQ_ARGS);
772void drm_driver_irq_preinstall(struct drm_device *dev);
773void drm_driver_irq_postinstall(struct drm_device *dev);
774void drm_driver_irq_uninstall(struct drm_device *dev);
775void drm_handle_vblank(struct drm_device *dev, int crtc);
776u32 drm_vblank_count(struct drm_device *dev, int crtc);
777int drm_vblank_get(struct drm_device *dev, int crtc);
778void drm_vblank_put(struct drm_device *dev, int crtc);
779void drm_vblank_cleanup(struct drm_device *dev);
780int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq);
781int drm_vblank_init(struct drm_device *dev, int num_crtcs);
782int drm_modeset_ctl(struct drm_device *dev, void *data,
783 struct drm_file *file_priv);
784
785/* AGP/PCI Express/GART support (drm_agpsupport.c) */
786int drm_device_is_agp(struct drm_device *dev);
787int drm_device_is_pcie(struct drm_device *dev);
788drm_agp_head_t *drm_agp_init(void);
789int drm_agp_acquire(struct drm_device *dev);
790int drm_agp_release(struct drm_device *dev);
791int drm_agp_info(struct drm_device * dev, struct drm_agp_info *info);
792int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode);
793void *drm_agp_allocate_memory(size_t pages, u32 type);
794int drm_agp_free_memory(void *handle);
795int drm_agp_bind_memory(void *handle, off_t start);
796int drm_agp_unbind_memory(void *handle);
797int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request);
798int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request);
799int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request);
800int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request);
801
802/* Scatter Gather Support (drm_scatter.c) */
803void drm_sg_cleanup(drm_sg_mem_t *entry);
804int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request);
805
806/* sysctl support (drm_sysctl.h) */
807extern int drm_sysctl_init(struct drm_device *dev);
808extern int drm_sysctl_cleanup(struct drm_device *dev);
809
810/* ATI PCIGART support (ati_pcigart.c) */
811int drm_ati_pcigart_init(struct drm_device *dev,
812 struct drm_ati_pcigart_info *gart_info);
813int drm_ati_pcigart_cleanup(struct drm_device *dev,
814 struct drm_ati_pcigart_info *gart_info);
815
816/* Locking IOCTL support (drm_drv.c) */
817int drm_lock(struct drm_device *dev, void *data,
818 struct drm_file *file_priv);
819int drm_unlock(struct drm_device *dev, void *data,
820 struct drm_file *file_priv);
821int drm_version(struct drm_device *dev, void *data,
822 struct drm_file *file_priv);
823int drm_setversion(struct drm_device *dev, void *data,
824 struct drm_file *file_priv);
825
826/* Misc. IOCTL support (drm_ioctl.c) */
827int drm_irq_by_busid(struct drm_device *dev, void *data,
828 struct drm_file *file_priv);
829int drm_getunique(struct drm_device *dev, void *data,
830 struct drm_file *file_priv);
831int drm_setunique(struct drm_device *dev, void *data,
832 struct drm_file *file_priv);
833int drm_getmap(struct drm_device *dev, void *data,
834 struct drm_file *file_priv);
835int drm_getclient(struct drm_device *dev, void *data,
836 struct drm_file *file_priv);
837int drm_getstats(struct drm_device *dev, void *data,
838 struct drm_file *file_priv);
839int drm_noop(struct drm_device *dev, void *data,
840 struct drm_file *file_priv);
841
842/* Context IOCTL support (drm_context.c) */
843int drm_resctx(struct drm_device *dev, void *data,
844 struct drm_file *file_priv);
845int drm_addctx(struct drm_device *dev, void *data,
846 struct drm_file *file_priv);
847int drm_modctx(struct drm_device *dev, void *data,
848 struct drm_file *file_priv);
849int drm_getctx(struct drm_device *dev, void *data,
850 struct drm_file *file_priv);
851int drm_switchctx(struct drm_device *dev, void *data,
852 struct drm_file *file_priv);
853int drm_newctx(struct drm_device *dev, void *data,
854 struct drm_file *file_priv);
855int drm_rmctx(struct drm_device *dev, void *data,
856 struct drm_file *file_priv);
857int drm_setsareactx(struct drm_device *dev, void *data,
858 struct drm_file *file_priv);
859int drm_getsareactx(struct drm_device *dev, void *data,
860 struct drm_file *file_priv);
861
862/* Drawable IOCTL support (drm_drawable.c) */
863int drm_adddraw(struct drm_device *dev, void *data,
864 struct drm_file *file_priv);
865int drm_rmdraw(struct drm_device *dev, void *data,
866 struct drm_file *file_priv);
867int drm_update_draw(struct drm_device *dev, void *data,
868 struct drm_file *file_priv);
869struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev,
870 int handle);
871
872/* Drawable support (drm_drawable.c) */
873void drm_drawable_free_all(struct drm_device *dev);
874
875/* Authentication IOCTL support (drm_auth.c) */
876int drm_getmagic(struct drm_device *dev, void *data,
877 struct drm_file *file_priv);
878int drm_authmagic(struct drm_device *dev, void *data,
879 struct drm_file *file_priv);
880
881/* Buffer management support (drm_bufs.c) */
882int drm_addmap_ioctl(struct drm_device *dev, void *data,
883 struct drm_file *file_priv);
884int drm_rmmap_ioctl(struct drm_device *dev, void *data,
885 struct drm_file *file_priv);
886int drm_addbufs(struct drm_device *dev, void *data,
887 struct drm_file *file_priv);
888int drm_infobufs(struct drm_device *dev, void *data,
889 struct drm_file *file_priv);
890int drm_markbufs(struct drm_device *dev, void *data,
891 struct drm_file *file_priv);
892int drm_freebufs(struct drm_device *dev, void *data,
893 struct drm_file *file_priv);
894int drm_mapbufs(struct drm_device *dev, void *data,
895 struct drm_file *file_priv);
896
897/* DMA support (drm_dma.c) */
898int drm_dma(struct drm_device *dev, void *data, struct drm_file *file_priv);
899
900/* IRQ support (drm_irq.c) */
901int drm_control(struct drm_device *dev, void *data,
902 struct drm_file *file_priv);
903int drm_wait_vblank(struct drm_device *dev, void *data,
904 struct drm_file *file_priv);
905
906/* AGP/GART support (drm_agpsupport.c) */
907int drm_agp_acquire_ioctl(struct drm_device *dev, void *data,
908 struct drm_file *file_priv);
909int drm_agp_release_ioctl(struct drm_device *dev, void *data,
910 struct drm_file *file_priv);
911int drm_agp_enable_ioctl(struct drm_device *dev, void *data,
912 struct drm_file *file_priv);
913int drm_agp_info_ioctl(struct drm_device *dev, void *data,
914 struct drm_file *file_priv);
915int drm_agp_alloc_ioctl(struct drm_device *dev, void *data,
916 struct drm_file *file_priv);
917int drm_agp_free_ioctl(struct drm_device *dev, void *data,
918 struct drm_file *file_priv);
919int drm_agp_unbind_ioctl(struct drm_device *dev, void *data,
920 struct drm_file *file_priv);
921int drm_agp_bind_ioctl(struct drm_device *dev, void *data,
922 struct drm_file *file_priv);
923
924/* Scatter Gather Support (drm_scatter.c) */
925int drm_sg_alloc_ioctl(struct drm_device *dev, void *data,
926 struct drm_file *file_priv);
927int drm_sg_free(struct drm_device *dev, void *data,
928 struct drm_file *file_priv);
929
930/* consistent PCI memory functions (drm_pci.c) */
931drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size,
932 size_t align, dma_addr_t maxaddr);
933void drm_pci_free(struct drm_device *dev, drm_dma_handle_t *dmah);
934
935/* Inline replacements for drm_alloc and friends */
936static __inline__ void *
937drm_alloc(size_t size, struct malloc_type *area)
938{
939 return malloc(size, area, M_NOWAIT);
940}
941
942static __inline__ void *
943drm_calloc(size_t nmemb, size_t size, struct malloc_type *area)
944{
945 return malloc(size * nmemb, area, M_NOWAIT | M_ZERO);
946}
947
948static __inline__ void *
949drm_realloc(void *oldpt, size_t oldsize, size_t size,
950 struct malloc_type *area)
951{
952 return reallocf(oldpt, size, area, M_NOWAIT);
953}
954
955static __inline__ void
956drm_free(void *pt, size_t size, struct malloc_type *area)
957{
958 free(pt, area);
959}
960
961/* Inline replacements for DRM_IOREMAP macros */
962static __inline__ void
963drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev)
964{
965 map->handle = drm_ioremap_wc(dev, map);
966}
967static __inline__ void
968drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev)
969{
970 map->handle = drm_ioremap(dev, map);
971}
972static __inline__ void
973drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev)
974{
975 if ( map->handle && map->size )
976 drm_ioremapfree(map);
977}
978
979static __inline__ struct drm_local_map *
980drm_core_findmap(struct drm_device *dev, unsigned long offset)
981{
982 drm_local_map_t *map;
983
984 DRM_SPINLOCK_ASSERT(&dev->dev_lock);
985 TAILQ_FOREACH(map, &dev->maplist, link) {
986 if (map->offset == offset)
987 return map;
988 }
989 return NULL;
990}
991
992static __inline__ void drm_core_dropmap(struct drm_map *map)
993{
994}
995
996#endif /* __KERNEL__ */
997#endif /* _DRM_P_H_ */
| 203enum {
204 DRM_IS_NOT_AGP,
205 DRM_IS_AGP,
206 DRM_MIGHT_BE_AGP
207};
208#define DRM_AGP_MEM struct agp_memory_info
209
210#define drm_get_device_from_kdev(_kdev) (_kdev->si_drv1)
211
212#define PAGE_ALIGN(addr) round_page(addr)
213/* DRM_SUSER returns true if the user is superuser */
214#if __FreeBSD_version >= 700000
215#define DRM_SUSER(p) (priv_check(p, PRIV_DRIVER) == 0)
216#else
217#define DRM_SUSER(p) (suser(p) == 0)
218#endif
219#define DRM_AGP_FIND_DEVICE() agp_find_device()
220#define DRM_MTRR_WC MDF_WRITECOMBINE
221#define jiffies ticks
222
223typedef unsigned long dma_addr_t;
224typedef u_int64_t u64;
225typedef u_int32_t u32;
226typedef u_int16_t u16;
227typedef u_int8_t u8;
228
229/* DRM_READMEMORYBARRIER() prevents reordering of reads.
230 * DRM_WRITEMEMORYBARRIER() prevents reordering of writes.
231 * DRM_MEMORYBARRIER() prevents reordering of reads and writes.
232 */
233#define DRM_READMEMORYBARRIER() rmb()
234#define DRM_WRITEMEMORYBARRIER() wmb()
235#define DRM_MEMORYBARRIER() mb()
236
237#define DRM_READ8(map, offset) \
238 *(volatile u_int8_t *)(((vm_offset_t)(map)->handle) + \
239 (vm_offset_t)(offset))
240#define DRM_READ16(map, offset) \
241 *(volatile u_int16_t *)(((vm_offset_t)(map)->handle) + \
242 (vm_offset_t)(offset))
243#define DRM_READ32(map, offset) \
244 *(volatile u_int32_t *)(((vm_offset_t)(map)->handle) + \
245 (vm_offset_t)(offset))
246#define DRM_WRITE8(map, offset, val) \
247 *(volatile u_int8_t *)(((vm_offset_t)(map)->handle) + \
248 (vm_offset_t)(offset)) = val
249#define DRM_WRITE16(map, offset, val) \
250 *(volatile u_int16_t *)(((vm_offset_t)(map)->handle) + \
251 (vm_offset_t)(offset)) = val
252#define DRM_WRITE32(map, offset, val) \
253 *(volatile u_int32_t *)(((vm_offset_t)(map)->handle) + \
254 (vm_offset_t)(offset)) = val
255
256#define DRM_VERIFYAREA_READ( uaddr, size ) \
257 (!useracc(__DECONST(caddr_t, uaddr), size, VM_PROT_READ))
258
259#define DRM_COPY_TO_USER(user, kern, size) \
260 copyout(kern, user, size)
261#define DRM_COPY_FROM_USER(kern, user, size) \
262 copyin(user, kern, size)
263#define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \
264 copyin(arg2, arg1, arg3)
265#define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \
266 copyout(arg2, arg1, arg3)
267#define DRM_GET_USER_UNCHECKED(val, uaddr) \
268 ((val) = fuword32(uaddr), 0)
269
270#define cpu_to_le32(x) htole32(x)
271#define le32_to_cpu(x) le32toh(x)
272
273#define DRM_HZ hz
274#define DRM_UDELAY(udelay) DELAY(udelay)
275#define DRM_TIME_SLICE (hz/20) /* Time slice for GLXContexts */
276
277#define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \
278 (_map) = (_dev)->context_sareas[_ctx]; \
279} while(0)
280
281#define LOCK_TEST_WITH_RETURN(dev, file_priv) \
282do { \
283 if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \
284 dev->lock.file_priv != file_priv) { \
285 DRM_ERROR("%s called without lock held\n", \
286 __FUNCTION__); \
287 return EINVAL; \
288 } \
289} while (0)
290
291/* Returns -errno to shared code */
292#define DRM_WAIT_ON( ret, queue, timeout, condition ) \
293for ( ret = 0 ; !ret && !(condition) ; ) { \
294 DRM_UNLOCK(); \
295 mtx_lock(&dev->irq_lock); \
296 if (!(condition)) \
297 ret = -mtx_sleep(&(queue), &dev->irq_lock, \
298 PCATCH, "drmwtq", (timeout)); \
299 mtx_unlock(&dev->irq_lock); \
300 DRM_LOCK(); \
301}
302
303#define DRM_ERROR(fmt, ...) \
304 printf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt, \
305 DRM_CURRENTPID, __func__ , ##__VA_ARGS__)
306
307#define DRM_INFO(fmt, ...) printf("info: [" DRM_NAME "] " fmt , ##__VA_ARGS__)
308
309#define DRM_DEBUG(fmt, ...) do { \
310 if (drm_debug_flag) \
311 printf("[" DRM_NAME ":pid%d:%s] " fmt, DRM_CURRENTPID, \
312 __func__ , ##__VA_ARGS__); \
313} while (0)
314
315typedef struct drm_pci_id_list
316{
317 int vendor;
318 int device;
319 long driver_private;
320 char *name;
321} drm_pci_id_list_t;
322
323struct drm_msi_blacklist_entry
324{
325 int vendor;
326 int device;
327};
328
329#define DRM_AUTH 0x1
330#define DRM_MASTER 0x2
331#define DRM_ROOT_ONLY 0x4
332typedef struct drm_ioctl_desc {
333 unsigned long cmd;
334 int (*func)(struct drm_device *dev, void *data,
335 struct drm_file *file_priv);
336 int flags;
337} drm_ioctl_desc_t;
338/**
339 * Creates a driver or general drm_ioctl_desc array entry for the given
340 * ioctl, for use by drm_ioctl().
341 */
342#define DRM_IOCTL_DEF(ioctl, func, flags) \
343 [DRM_IOCTL_NR(ioctl)] = {ioctl, func, flags}
344
345typedef struct drm_magic_entry {
346 drm_magic_t magic;
347 struct drm_file *priv;
348 struct drm_magic_entry *next;
349} drm_magic_entry_t;
350
351typedef struct drm_magic_head {
352 struct drm_magic_entry *head;
353 struct drm_magic_entry *tail;
354} drm_magic_head_t;
355
356typedef struct drm_buf {
357 int idx; /* Index into master buflist */
358 int total; /* Buffer size */
359 int order; /* log-base-2(total) */
360 int used; /* Amount of buffer in use (for DMA) */
361 unsigned long offset; /* Byte offset (used internally) */
362 void *address; /* Address of buffer */
363 unsigned long bus_address; /* Bus address of buffer */
364 struct drm_buf *next; /* Kernel-only: used for free list */
365 __volatile__ int pending; /* On hardware DMA queue */
366 struct drm_file *file_priv; /* Unique identifier of holding process */
367 int context; /* Kernel queue for this buffer */
368 enum {
369 DRM_LIST_NONE = 0,
370 DRM_LIST_FREE = 1,
371 DRM_LIST_WAIT = 2,
372 DRM_LIST_PEND = 3,
373 DRM_LIST_PRIO = 4,
374 DRM_LIST_RECLAIM = 5
375 } list; /* Which list we're on */
376
377 int dev_priv_size; /* Size of buffer private stoarge */
378 void *dev_private; /* Per-buffer private storage */
379} drm_buf_t;
380
381typedef struct drm_freelist {
382 int initialized; /* Freelist in use */
383 atomic_t count; /* Number of free buffers */
384 drm_buf_t *next; /* End pointer */
385
386 int low_mark; /* Low water mark */
387 int high_mark; /* High water mark */
388} drm_freelist_t;
389
390typedef struct drm_dma_handle {
391 void *vaddr;
392 bus_addr_t busaddr;
393 bus_dma_tag_t tag;
394 bus_dmamap_t map;
395} drm_dma_handle_t;
396
397typedef struct drm_buf_entry {
398 int buf_size;
399 int buf_count;
400 drm_buf_t *buflist;
401 int seg_count;
402 drm_dma_handle_t **seglist;
403 int page_order;
404
405 drm_freelist_t freelist;
406} drm_buf_entry_t;
407
408typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t;
409struct drm_file {
410 TAILQ_ENTRY(drm_file) link;
411 struct drm_device *dev;
412 int authenticated;
413 int master;
414 pid_t pid;
415 uid_t uid;
416 drm_magic_t magic;
417 unsigned long ioctl_count;
418 void *driver_priv;
419};
420
421typedef struct drm_lock_data {
422 struct drm_hw_lock *hw_lock; /* Hardware lock */
423 struct drm_file *file_priv; /* Unique identifier of holding process (NULL is kernel)*/
424 int lock_queue; /* Queue of blocked processes */
425 unsigned long lock_time; /* Time of last lock in jiffies */
426} drm_lock_data_t;
427
428/* This structure, in the struct drm_device, is always initialized while the
429 * device
430 * is open. dev->dma_lock protects the incrementing of dev->buf_use, which
431 * when set marks that no further bufs may be allocated until device teardown
432 * occurs (when the last open of the device has closed). The high/low
433 * watermarks of bufs are only touched by the X Server, and thus not
434 * concurrently accessed, so no locking is needed.
435 */
436typedef struct drm_device_dma {
437 drm_buf_entry_t bufs[DRM_MAX_ORDER+1];
438 int buf_count;
439 drm_buf_t **buflist; /* Vector of pointers info bufs */
440 int seg_count;
441 int page_count;
442 unsigned long *pagelist;
443 unsigned long byte_count;
444 enum {
445 _DRM_DMA_USE_AGP = 0x01,
446 _DRM_DMA_USE_SG = 0x02
447 } flags;
448} drm_device_dma_t;
449
450typedef struct drm_agp_mem {
451 void *handle;
452 unsigned long bound; /* address */
453 int pages;
454 struct drm_agp_mem *prev;
455 struct drm_agp_mem *next;
456} drm_agp_mem_t;
457
458typedef struct drm_agp_head {
459 device_t agpdev;
460 struct agp_info info;
461 const char *chipset;
462 drm_agp_mem_t *memory;
463 unsigned long mode;
464 int enabled;
465 int acquired;
466 unsigned long base;
467 int mtrr;
468 int cant_use_aperture;
469 unsigned long page_mask;
470} drm_agp_head_t;
471
472typedef struct drm_sg_mem {
473 unsigned long handle;
474 void *virtual;
475 int pages;
476 dma_addr_t *busaddr;
477 struct drm_dma_handle *dmah; /* Handle to PCI memory */
478} drm_sg_mem_t;
479
480typedef TAILQ_HEAD(drm_map_list, drm_local_map) drm_map_list_t;
481
482typedef struct drm_local_map {
483 unsigned long offset; /* Physical address (0 for SAREA)*/
484 unsigned long size; /* Physical size (bytes) */
485 enum drm_map_type type; /* Type of memory mapped */
486 enum drm_map_flags flags; /* Flags */
487 void *handle; /* User-space: "Handle" to pass to mmap */
488 /* Kernel-space: kernel-virtual address */
489 int mtrr; /* Boolean: MTRR used */
490 /* Private data */
491 int rid; /* PCI resource ID for bus_space */
492 struct resource *bsr;
493 bus_space_tag_t bst;
494 bus_space_handle_t bsh;
495 drm_dma_handle_t *dmah;
496 TAILQ_ENTRY(drm_local_map) link;
497} drm_local_map_t;
498
499struct drm_vblank_info {
500 wait_queue_head_t queue; /* vblank wait queue */
501 atomic_t count; /* number of VBLANK interrupts */
502 /* (driver must alloc the right number of counters) */
503 atomic_t refcount; /* number of users of vblank interrupts */
504 u32 last; /* protected by dev->vbl_lock, used */
505 /* for wraparound handling */
506 int enabled; /* so we don't call enable more than */
507 /* once per disable */
508 int inmodeset; /* Display driver is setting mode */
509};
510
511/* location of GART table */
512#define DRM_ATI_GART_MAIN 1
513#define DRM_ATI_GART_FB 2
514
515#define DRM_ATI_GART_PCI 1
516#define DRM_ATI_GART_PCIE 2
517#define DRM_ATI_GART_IGP 3
518
519struct drm_ati_pcigart_info {
520 int gart_table_location;
521 int gart_reg_if;
522 void *addr;
523 dma_addr_t bus_addr;
524 dma_addr_t table_mask;
525 dma_addr_t member_mask;
526 struct drm_dma_handle *table_handle;
527 drm_local_map_t mapping;
528 int table_size;
529 struct drm_dma_handle *dmah; /* handle for ATI PCIGART table */
530};
531
532#ifndef DMA_BIT_MASK
533#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : (1ULL<<(n)) - 1)
534#endif
535
536#define upper_32_bits(n) ((u32)(((n) >> 16) >> 16))
537
538struct drm_driver_info {
539 int (*load)(struct drm_device *, unsigned long flags);
540 int (*firstopen)(struct drm_device *);
541 int (*open)(struct drm_device *, struct drm_file *);
542 void (*preclose)(struct drm_device *, struct drm_file *file_priv);
543 void (*postclose)(struct drm_device *, struct drm_file *);
544 void (*lastclose)(struct drm_device *);
545 int (*unload)(struct drm_device *);
546 void (*reclaim_buffers_locked)(struct drm_device *,
547 struct drm_file *file_priv);
548 int (*dma_ioctl)(struct drm_device *dev, void *data,
549 struct drm_file *file_priv);
550 void (*dma_ready)(struct drm_device *);
551 int (*dma_quiescent)(struct drm_device *);
552 int (*dma_flush_block_and_flush)(struct drm_device *, int context,
553 enum drm_lock_flags flags);
554 int (*dma_flush_unblock)(struct drm_device *, int context,
555 enum drm_lock_flags flags);
556 int (*context_ctor)(struct drm_device *dev, int context);
557 int (*context_dtor)(struct drm_device *dev, int context);
558 int (*kernel_context_switch)(struct drm_device *dev, int old,
559 int new);
560 int (*kernel_context_switch_unlock)(struct drm_device *dev);
561 void (*irq_preinstall)(struct drm_device *dev);
562 int (*irq_postinstall)(struct drm_device *dev);
563 void (*irq_uninstall)(struct drm_device *dev);
564 void (*irq_handler)(DRM_IRQ_ARGS);
565 u32 (*get_vblank_counter)(struct drm_device *dev, int crtc);
566 int (*enable_vblank)(struct drm_device *dev, int crtc);
567 void (*disable_vblank)(struct drm_device *dev, int crtc);
568
569 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */
570
571 /**
572 * Called by \c drm_device_is_agp. Typically used to determine if a
573 * card is really attached to AGP or not.
574 *
575 * \param dev DRM device handle
576 *
577 * \returns
578 * One of three values is returned depending on whether or not the
579 * card is absolutely \b not AGP (return of 0), absolutely \b is AGP
580 * (return of 1), or may or may not be AGP (return of 2).
581 */
582 int (*device_is_agp) (struct drm_device * dev);
583
584 drm_ioctl_desc_t *ioctls;
585 int max_ioctl;
586
587 int buf_priv_size;
588
589 int major;
590 int minor;
591 int patchlevel;
592 const char *name; /* Simple driver name */
593 const char *desc; /* Longer driver name */
594 const char *date; /* Date of last major changes. */
595
596 u32 driver_features;
597};
598
599/* Length for the array of resource pointers for drm_get_resource_*. */
600#define DRM_MAX_PCI_RESOURCE 6
601
602/**
603 * DRM device functions structure
604 */
605struct drm_device {
606 struct drm_driver_info *driver;
607 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */
608
609 u_int16_t pci_device; /* PCI device id */
610 u_int16_t pci_vendor; /* PCI vendor id */
611
612 char *unique; /* Unique identifier: e.g., busid */
613 int unique_len; /* Length of unique field */
614 device_t device; /* Device instance from newbus */
615 struct cdev *devnode; /* Device number for mknod */
616 int if_version; /* Highest interface version set */
617
618 int flags; /* Flags to open(2) */
619
620 /* Locks */
621 struct mtx vbl_lock; /* protects vblank operations */
622 struct mtx dma_lock; /* protects dev->dma */
623 struct mtx irq_lock; /* protects irq condition checks */
624 struct mtx dev_lock; /* protects everything else */
625 DRM_SPINTYPE drw_lock;
626
627 /* Usage Counters */
628 int open_count; /* Outstanding files open */
629 int buf_use; /* Buffers in use -- cannot alloc */
630
631 /* Performance counters */
632 unsigned long counters;
633 enum drm_stat_type types[15];
634 atomic_t counts[15];
635
636 /* Authentication */
637 drm_file_list_t files;
638 drm_magic_head_t magiclist[DRM_HASH_SIZE];
639
640 /* Linked list of mappable regions. Protected by dev_lock */
641 drm_map_list_t maplist;
642
643 drm_local_map_t **context_sareas;
644 int max_context;
645
646 drm_lock_data_t lock; /* Information on hardware lock */
647
648 /* DMA queues (contexts) */
649 drm_device_dma_t *dma; /* Optional pointer for DMA support */
650
651 /* Context support */
652 int irq; /* Interrupt used by board */
653 int irq_enabled; /* True if the irq handler is enabled */
654 int msi_enabled; /* MSI enabled */
655 int irqrid; /* Interrupt used by board */
656 struct resource *irqr; /* Resource for interrupt used by board */
657 void *irqh; /* Handle from bus_setup_intr */
658
659 /* Storage of resource pointers for drm_get_resource_* */
660 struct resource *pcir[DRM_MAX_PCI_RESOURCE];
661 int pcirid[DRM_MAX_PCI_RESOURCE];
662
663 int pci_domain;
664 int pci_bus;
665 int pci_slot;
666 int pci_func;
667
668 atomic_t context_flag; /* Context swapping flag */
669 int last_context; /* Last current context */
670
671 int vblank_disable_allowed;
672 struct callout vblank_disable_timer;
673 u32 max_vblank_count; /* size of vblank counter register */
674 struct drm_vblank_info *vblank; /* per crtc vblank info */
675 int num_crtcs;
676
677 struct sigio *buf_sigio; /* Processes waiting for SIGIO */
678
679 /* Sysctl support */
680 struct drm_sysctl_info *sysctl;
681
682 drm_agp_head_t *agp;
683 drm_sg_mem_t *sg; /* Scatter gather memory */
684 atomic_t *ctx_bitmap;
685 void *dev_private;
686 unsigned int agp_buffer_token;
687 drm_local_map_t *agp_buffer_map;
688
689 struct unrhdr *drw_unrhdr;
690 /* RB tree of drawable infos */
691 RB_HEAD(drawable_tree, bsd_drm_drawable_info) drw_head;
692};
693
694static __inline__ int drm_core_check_feature(struct drm_device *dev,
695 int feature)
696{
697 return ((dev->driver->driver_features & feature) ? 1 : 0);
698}
699
700#if __OS_HAS_AGP
701static inline int drm_core_has_AGP(struct drm_device *dev)
702{
703 return drm_core_check_feature(dev, DRIVER_USE_AGP);
704}
705#else
706#define drm_core_has_AGP(dev) (0)
707#endif
708
709extern int drm_debug_flag;
710
711/* Device setup support (drm_drv.c) */
712int drm_probe(device_t kdev, drm_pci_id_list_t *idlist);
713int drm_attach(device_t kdev, drm_pci_id_list_t *idlist);
714void drm_close(void *data);
715int drm_detach(device_t kdev);
716d_ioctl_t drm_ioctl;
717d_open_t drm_open;
718d_read_t drm_read;
719d_poll_t drm_poll;
720d_mmap_t drm_mmap;
721extern drm_local_map_t *drm_getsarea(struct drm_device *dev);
722
723/* File operations helpers (drm_fops.c) */
724extern int drm_open_helper(struct cdev *kdev, int flags, int fmt,
725 DRM_STRUCTPROC *p,
726 struct drm_device *dev);
727
728/* Memory management support (drm_memory.c) */
729void drm_mem_init(void);
730void drm_mem_uninit(void);
731void *drm_ioremap_wc(struct drm_device *dev, drm_local_map_t *map);
732void *drm_ioremap(struct drm_device *dev, drm_local_map_t *map);
733void drm_ioremapfree(drm_local_map_t *map);
734int drm_mtrr_add(unsigned long offset, size_t size, int flags);
735int drm_mtrr_del(int handle, unsigned long offset, size_t size, int flags);
736
737int drm_context_switch(struct drm_device *dev, int old, int new);
738int drm_context_switch_complete(struct drm_device *dev, int new);
739
740int drm_ctxbitmap_init(struct drm_device *dev);
741void drm_ctxbitmap_cleanup(struct drm_device *dev);
742void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle);
743int drm_ctxbitmap_next(struct drm_device *dev);
744
745/* Locking IOCTL support (drm_lock.c) */
746int drm_lock_take(struct drm_lock_data *lock_data,
747 unsigned int context);
748int drm_lock_transfer(struct drm_lock_data *lock_data,
749 unsigned int context);
750int drm_lock_free(struct drm_lock_data *lock_data,
751 unsigned int context);
752
753/* Buffer management support (drm_bufs.c) */
754unsigned long drm_get_resource_start(struct drm_device *dev,
755 unsigned int resource);
756unsigned long drm_get_resource_len(struct drm_device *dev,
757 unsigned int resource);
758void drm_rmmap(struct drm_device *dev, drm_local_map_t *map);
759int drm_order(unsigned long size);
760int drm_addmap(struct drm_device *dev, unsigned long offset,
761 unsigned long size,
762 enum drm_map_type type, enum drm_map_flags flags,
763 drm_local_map_t **map_ptr);
764int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc *request);
765int drm_addbufs_sg(struct drm_device *dev, struct drm_buf_desc *request);
766int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc *request);
767
768/* DMA support (drm_dma.c) */
769int drm_dma_setup(struct drm_device *dev);
770void drm_dma_takedown(struct drm_device *dev);
771void drm_free_buffer(struct drm_device *dev, drm_buf_t *buf);
772void drm_reclaim_buffers(struct drm_device *dev, struct drm_file *file_priv);
773#define drm_core_reclaim_buffers drm_reclaim_buffers
774
775/* IRQ support (drm_irq.c) */
776int drm_irq_install(struct drm_device *dev);
777int drm_irq_uninstall(struct drm_device *dev);
778irqreturn_t drm_irq_handler(DRM_IRQ_ARGS);
779void drm_driver_irq_preinstall(struct drm_device *dev);
780void drm_driver_irq_postinstall(struct drm_device *dev);
781void drm_driver_irq_uninstall(struct drm_device *dev);
782void drm_handle_vblank(struct drm_device *dev, int crtc);
783u32 drm_vblank_count(struct drm_device *dev, int crtc);
784int drm_vblank_get(struct drm_device *dev, int crtc);
785void drm_vblank_put(struct drm_device *dev, int crtc);
786void drm_vblank_cleanup(struct drm_device *dev);
787int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq);
788int drm_vblank_init(struct drm_device *dev, int num_crtcs);
789int drm_modeset_ctl(struct drm_device *dev, void *data,
790 struct drm_file *file_priv);
791
792/* AGP/PCI Express/GART support (drm_agpsupport.c) */
793int drm_device_is_agp(struct drm_device *dev);
794int drm_device_is_pcie(struct drm_device *dev);
795drm_agp_head_t *drm_agp_init(void);
796int drm_agp_acquire(struct drm_device *dev);
797int drm_agp_release(struct drm_device *dev);
798int drm_agp_info(struct drm_device * dev, struct drm_agp_info *info);
799int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode);
800void *drm_agp_allocate_memory(size_t pages, u32 type);
801int drm_agp_free_memory(void *handle);
802int drm_agp_bind_memory(void *handle, off_t start);
803int drm_agp_unbind_memory(void *handle);
804int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request);
805int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request);
806int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request);
807int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request);
808
809/* Scatter Gather Support (drm_scatter.c) */
810void drm_sg_cleanup(drm_sg_mem_t *entry);
811int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request);
812
813/* sysctl support (drm_sysctl.h) */
814extern int drm_sysctl_init(struct drm_device *dev);
815extern int drm_sysctl_cleanup(struct drm_device *dev);
816
817/* ATI PCIGART support (ati_pcigart.c) */
818int drm_ati_pcigart_init(struct drm_device *dev,
819 struct drm_ati_pcigart_info *gart_info);
820int drm_ati_pcigart_cleanup(struct drm_device *dev,
821 struct drm_ati_pcigart_info *gart_info);
822
823/* Locking IOCTL support (drm_drv.c) */
824int drm_lock(struct drm_device *dev, void *data,
825 struct drm_file *file_priv);
826int drm_unlock(struct drm_device *dev, void *data,
827 struct drm_file *file_priv);
828int drm_version(struct drm_device *dev, void *data,
829 struct drm_file *file_priv);
830int drm_setversion(struct drm_device *dev, void *data,
831 struct drm_file *file_priv);
832
833/* Misc. IOCTL support (drm_ioctl.c) */
834int drm_irq_by_busid(struct drm_device *dev, void *data,
835 struct drm_file *file_priv);
836int drm_getunique(struct drm_device *dev, void *data,
837 struct drm_file *file_priv);
838int drm_setunique(struct drm_device *dev, void *data,
839 struct drm_file *file_priv);
840int drm_getmap(struct drm_device *dev, void *data,
841 struct drm_file *file_priv);
842int drm_getclient(struct drm_device *dev, void *data,
843 struct drm_file *file_priv);
844int drm_getstats(struct drm_device *dev, void *data,
845 struct drm_file *file_priv);
846int drm_noop(struct drm_device *dev, void *data,
847 struct drm_file *file_priv);
848
849/* Context IOCTL support (drm_context.c) */
850int drm_resctx(struct drm_device *dev, void *data,
851 struct drm_file *file_priv);
852int drm_addctx(struct drm_device *dev, void *data,
853 struct drm_file *file_priv);
854int drm_modctx(struct drm_device *dev, void *data,
855 struct drm_file *file_priv);
856int drm_getctx(struct drm_device *dev, void *data,
857 struct drm_file *file_priv);
858int drm_switchctx(struct drm_device *dev, void *data,
859 struct drm_file *file_priv);
860int drm_newctx(struct drm_device *dev, void *data,
861 struct drm_file *file_priv);
862int drm_rmctx(struct drm_device *dev, void *data,
863 struct drm_file *file_priv);
864int drm_setsareactx(struct drm_device *dev, void *data,
865 struct drm_file *file_priv);
866int drm_getsareactx(struct drm_device *dev, void *data,
867 struct drm_file *file_priv);
868
869/* Drawable IOCTL support (drm_drawable.c) */
870int drm_adddraw(struct drm_device *dev, void *data,
871 struct drm_file *file_priv);
872int drm_rmdraw(struct drm_device *dev, void *data,
873 struct drm_file *file_priv);
874int drm_update_draw(struct drm_device *dev, void *data,
875 struct drm_file *file_priv);
876struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev,
877 int handle);
878
879/* Drawable support (drm_drawable.c) */
880void drm_drawable_free_all(struct drm_device *dev);
881
882/* Authentication IOCTL support (drm_auth.c) */
883int drm_getmagic(struct drm_device *dev, void *data,
884 struct drm_file *file_priv);
885int drm_authmagic(struct drm_device *dev, void *data,
886 struct drm_file *file_priv);
887
888/* Buffer management support (drm_bufs.c) */
889int drm_addmap_ioctl(struct drm_device *dev, void *data,
890 struct drm_file *file_priv);
891int drm_rmmap_ioctl(struct drm_device *dev, void *data,
892 struct drm_file *file_priv);
893int drm_addbufs(struct drm_device *dev, void *data,
894 struct drm_file *file_priv);
895int drm_infobufs(struct drm_device *dev, void *data,
896 struct drm_file *file_priv);
897int drm_markbufs(struct drm_device *dev, void *data,
898 struct drm_file *file_priv);
899int drm_freebufs(struct drm_device *dev, void *data,
900 struct drm_file *file_priv);
901int drm_mapbufs(struct drm_device *dev, void *data,
902 struct drm_file *file_priv);
903
904/* DMA support (drm_dma.c) */
905int drm_dma(struct drm_device *dev, void *data, struct drm_file *file_priv);
906
907/* IRQ support (drm_irq.c) */
908int drm_control(struct drm_device *dev, void *data,
909 struct drm_file *file_priv);
910int drm_wait_vblank(struct drm_device *dev, void *data,
911 struct drm_file *file_priv);
912
913/* AGP/GART support (drm_agpsupport.c) */
914int drm_agp_acquire_ioctl(struct drm_device *dev, void *data,
915 struct drm_file *file_priv);
916int drm_agp_release_ioctl(struct drm_device *dev, void *data,
917 struct drm_file *file_priv);
918int drm_agp_enable_ioctl(struct drm_device *dev, void *data,
919 struct drm_file *file_priv);
920int drm_agp_info_ioctl(struct drm_device *dev, void *data,
921 struct drm_file *file_priv);
922int drm_agp_alloc_ioctl(struct drm_device *dev, void *data,
923 struct drm_file *file_priv);
924int drm_agp_free_ioctl(struct drm_device *dev, void *data,
925 struct drm_file *file_priv);
926int drm_agp_unbind_ioctl(struct drm_device *dev, void *data,
927 struct drm_file *file_priv);
928int drm_agp_bind_ioctl(struct drm_device *dev, void *data,
929 struct drm_file *file_priv);
930
931/* Scatter Gather Support (drm_scatter.c) */
932int drm_sg_alloc_ioctl(struct drm_device *dev, void *data,
933 struct drm_file *file_priv);
934int drm_sg_free(struct drm_device *dev, void *data,
935 struct drm_file *file_priv);
936
937/* consistent PCI memory functions (drm_pci.c) */
938drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size,
939 size_t align, dma_addr_t maxaddr);
940void drm_pci_free(struct drm_device *dev, drm_dma_handle_t *dmah);
941
942/* Inline replacements for drm_alloc and friends */
943static __inline__ void *
944drm_alloc(size_t size, struct malloc_type *area)
945{
946 return malloc(size, area, M_NOWAIT);
947}
948
949static __inline__ void *
950drm_calloc(size_t nmemb, size_t size, struct malloc_type *area)
951{
952 return malloc(size * nmemb, area, M_NOWAIT | M_ZERO);
953}
954
955static __inline__ void *
956drm_realloc(void *oldpt, size_t oldsize, size_t size,
957 struct malloc_type *area)
958{
959 return reallocf(oldpt, size, area, M_NOWAIT);
960}
961
962static __inline__ void
963drm_free(void *pt, size_t size, struct malloc_type *area)
964{
965 free(pt, area);
966}
967
968/* Inline replacements for DRM_IOREMAP macros */
969static __inline__ void
970drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev)
971{
972 map->handle = drm_ioremap_wc(dev, map);
973}
974static __inline__ void
975drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev)
976{
977 map->handle = drm_ioremap(dev, map);
978}
979static __inline__ void
980drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev)
981{
982 if ( map->handle && map->size )
983 drm_ioremapfree(map);
984}
985
986static __inline__ struct drm_local_map *
987drm_core_findmap(struct drm_device *dev, unsigned long offset)
988{
989 drm_local_map_t *map;
990
991 DRM_SPINLOCK_ASSERT(&dev->dev_lock);
992 TAILQ_FOREACH(map, &dev->maplist, link) {
993 if (map->offset == offset)
994 return map;
995 }
996 return NULL;
997}
998
999static __inline__ void drm_core_dropmap(struct drm_map *map)
1000{
1001}
1002
1003#endif /* __KERNEL__ */
1004#endif /* _DRM_P_H_ */
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