1 /* drmP.h -- Private header for Direct Rendering Manager -*- linux-c -*-
2 * Created: Mon Jan 4 10:05:05 1999 by faith@precisioninsight.com
5 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
6 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
9 * Permission is hereby granted, free of charge, to any person obtaining a
10 * copy of this software and associated documentation files (the "Software"),
11 * to deal in the Software without restriction, including without limitation
12 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
13 * and/or sell copies of the Software, and to permit persons to whom the
14 * Software is furnished to do so, subject to the following conditions:
16 * The above copyright notice and this permission notice (including the next
17 * paragraph) shall be included in all copies or substantial portions of the
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
23 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
24 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
25 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
26 * OTHER DEALINGS IN THE SOFTWARE.
29 * Rickard E. (Rik) Faith <faith@valinux.com>
30 * Gareth Hughes <gareth@valinux.com>
32 * $FreeBSD: src/sys/dev/drm2/drmP.h,v 1.1 2012/05/22 11:07:44 kib Exp $
38 #if defined(_KERNEL) || defined(__KERNEL__)
43 #include <sys/param.h>
44 #include <sys/queue.h>
45 #include <sys/malloc.h>
46 #include <sys/kernel.h>
48 #include <sys/module.h>
49 #include <sys/systm.h>
50 #include <sys/device.h>
51 #include <sys/sglist.h>
56 #include <sys/spinlock.h>
57 #include <sys/spinlock2.h>
58 #include <sys/fcntl.h>
60 #include <sys/filio.h>
61 #include <sys/sysctl.h>
63 #include <sys/queue.h>
64 #include <sys/signalvar.h>
67 #include <sys/taskqueue.h>
71 #include <vm/vm_extern.h>
72 #include <vm/vm_kern.h>
73 #include <vm/vm_map.h>
74 #include <vm/vm_object.h>
75 #include <vm/vm_page.h>
76 #include <vm/vm_pager.h>
77 #include <vm/vm_param.h>
78 #include <machine/param.h>
79 #include <machine/pmap.h>
80 #include <sys/resource.h>
81 #if defined(__i386__) || defined(__amd64__)
82 #include <machine/specialreg.h>
84 #include <machine/sysarch.h>
85 #include <sys/endian.h>
88 #include <sys/memrange.h>
89 #include <dev/agp/agpvar.h>
90 #include <sys/agpio.h>
91 #include <sys/mutex.h>
92 #include <bus/pci/pcivar.h>
93 #include <bus/pci/pcireg.h>
94 /* XXX: bool definition */
95 #include <libprop/proplib.h>
97 #include <dev/drm2/drm.h>
98 #include <dev/drm2/drm_atomic.h>
99 #include <dev/drm2/drm_internal.h>
100 #include <dev/drm2/drm_linux_list.h>
101 #include <dev/drm2/drm_gem_names.h>
102 #include <dev/drm2/drm_mm.h>
103 #include <dev/drm2/drm_hashtab.h>
108 #define DRM_DEBUG_DEFAULT_ON 1
109 #endif /* DRM_DEBUG */
111 #define DRM_DEBUGBITS_DEBUG 0x1
112 #define DRM_DEBUGBITS_KMS 0x2
113 #define DRM_DEBUGBITS_FAILED_IOCTL 0x4
118 /* driver capabilities and requirements mask */
119 #define DRIVER_USE_AGP 0x1
120 #define DRIVER_REQUIRE_AGP 0x2
121 #define DRIVER_USE_MTRR 0x4
122 #define DRIVER_PCI_DMA 0x8
123 #define DRIVER_SG 0x10
124 #define DRIVER_HAVE_DMA 0x20
125 #define DRIVER_HAVE_IRQ 0x40
126 #define DRIVER_IRQ_SHARED 0x80
127 #define DRIVER_IRQ_VBL 0x100
128 #define DRIVER_DMA_QUEUE 0x200
129 #define DRIVER_FB_DMA 0x400
130 #define DRIVER_IRQ_VBL2 0x800
131 #define DRIVER_GEM 0x1000
132 #define DRIVER_MODESET 0x2000
133 #define DRIVER_USE_PLATFORM_DEVICE 0x4000
134 #define DRIVER_LOCKLESS_IRQ 0x8000
137 #define DRM_HASH_SIZE 16 /* Size of key hash table */
138 #define DRM_KERNEL_CONTEXT 0 /* Change drm_resctx if changed */
139 #define DRM_RESERVED_CONTEXTS 1 /* Change drm_resctx if changed */
141 #define DRM_GEM_MAPPING_MASK (3ULL << 62)
142 #define DRM_GEM_MAPPING_KEY (2ULL << 62) /* Non-canonical address form */
143 #define DRM_GEM_MAX_IDX 0x3fffff
144 #define DRM_GEM_MAPPING_IDX(o) (((o) >> 40) & DRM_GEM_MAX_IDX)
145 #define DRM_GEM_MAPPING_OFF(i) (((uint64_t)(i)) << 40)
146 #define DRM_GEM_MAPPING_MAPOFF(o) \
147 ((o) & ~(DRM_GEM_MAPPING_OFF(DRM_GEM_MAX_IDX) | DRM_GEM_MAPPING_KEY))
149 MALLOC_DECLARE(DRM_MEM_DMA);
150 MALLOC_DECLARE(DRM_MEM_SAREA);
151 MALLOC_DECLARE(DRM_MEM_DRIVER);
152 MALLOC_DECLARE(DRM_MEM_MAGIC);
153 MALLOC_DECLARE(DRM_MEM_MAPS);
154 MALLOC_DECLARE(DRM_MEM_BUFS);
155 MALLOC_DECLARE(DRM_MEM_SEGS);
156 MALLOC_DECLARE(DRM_MEM_PAGES);
157 MALLOC_DECLARE(DRM_MEM_FILES);
158 MALLOC_DECLARE(DRM_MEM_BUFLISTS);
159 MALLOC_DECLARE(DRM_MEM_AGPLISTS);
160 MALLOC_DECLARE(DRM_MEM_CTXBITMAP);
161 MALLOC_DECLARE(DRM_MEM_SGLISTS);
162 MALLOC_DECLARE(DRM_MEM_DRAWABLE);
163 MALLOC_DECLARE(DRM_MEM_MM);
164 MALLOC_DECLARE(DRM_MEM_HASHTAB);
165 MALLOC_DECLARE(DRM_MEM_KMS);
167 SYSCTL_DECL(_hw_drm);
169 #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8)
171 /* Internal types and structures */
172 #define DRM_ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))
173 #define DRM_MIN(a,b) ((a)<(b)?(a):(b))
174 #define DRM_MAX(a,b) ((a)>(b)?(a):(b))
176 #define DRM_IF_VERSION(maj, min) (maj << 16 | min)
178 #define __OS_HAS_AGP 1
180 #define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP)
181 #define DRM_DEV_UID 0
182 #define DRM_DEV_GID 0
184 #define wait_queue_head_t atomic_t
185 #define DRM_WAKEUP(w) wakeup((void *)w)
186 #define DRM_WAKEUP_INT(w) wakeup(w)
187 #define DRM_INIT_WAITQUEUE(queue) do {(void)(queue);} while (0)
189 #define DRM_CURPROC curthread
190 #define DRM_STRUCTPROC struct thread
191 #define DRM_SPINTYPE struct spinlock
192 #define DRM_SPININIT(l,name) spin_init(l)
193 #define DRM_SPINUNINIT(l) spin_uninit(l)
194 #define DRM_SPINLOCK(l) spin_lock(l)
195 #define DRM_SPINUNLOCK(u) spin_unlock(u)
196 #define DRM_SPINLOCK_IRQSAVE(l, irqflags) do { \
200 #define DRM_SPINUNLOCK_IRQRESTORE(u, irqflags) mtx_unlock(u)
201 #define DRM_SPINLOCK_ASSERT(l) mtx_assert(l, MA_OWNED)
202 #define DRM_CURRENTPID curthread->td_proc->p_pid
203 #define DRM_LOCK(dev) lockmgr(&(dev)->dev_struct_lock, LK_EXCLUSIVE);
204 #define DRM_UNLOCK(dev) lockmgr(&(dev)->dev_struct_lock, LK_RELEASE);
205 #define DRM_LOCK_SLEEP(dev, chan, flags, msg, timeout) \
206 (lksleep((chan), &(dev)->dev_struct_lock, (flags), (msg), (timeout)))
207 #if defined(INVARIANTS)
208 #define DRM_LOCK_ASSERT(dev) KKASSERT(lockstatus(&(dev)->dev_struct_lock, curthread) != 0);
209 #define DRM_UNLOCK_ASSERT(dev) KKASSERT(lockstatus(&(dev)->dev_struct_lock, curthread) == 0);
211 #define DRM_LOCK_ASSERT(d)
212 #define DRM_UNLOCK_ASSERT(d)
215 #define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS)
217 #define DRM_IRQ_ARGS void *arg
218 typedef void irqreturn_t;
219 #define IRQ_HANDLED /* nothing */
220 #define IRQ_NONE /* nothing */
222 #define unlikely(x) __builtin_expect(!!(x), 0)
223 #define container_of(ptr, type, member) ({ \
224 __typeof( ((type *)0)->member ) *__mptr = (ptr); \
225 (type *)( (char *)__mptr - offsetof(type,member) );})
232 #define DRM_AGP_MEM struct agp_memory_info
234 #define drm_get_device_from_kdev(_kdev) (_kdev->si_drv1)
236 #define PAGE_ALIGN(addr) round_page(addr)
237 /* DRM_SUSER returns true if the user is superuser */
238 #define DRM_SUSER(p) (priv_check(p, PRIV_DRIVER) == 0)
239 #define DRM_AGP_FIND_DEVICE() agp_find_device()
240 #define DRM_MTRR_WC MDF_WRITECOMBINE
241 #define jiffies ticks
242 #define jiffies_to_msecs(x) (((int64_t)(x)) * 1000 / hz)
243 #define msecs_to_jiffies(x) (((int64_t)(x)) * hz / 1000)
244 #define time_after(a,b) ((long)(b) - (long)(a) < 0)
245 #define time_after_eq(a,b) ((long)(b) - (long)(a) <= 0)
246 #define drm_msleep(x, msg) pause((msg), ((int64_t)(x)) * hz / 1000)
248 typedef vm_paddr_t dma_addr_t;
249 typedef uint64_t u64;
250 typedef uint32_t u32;
251 typedef uint16_t u16;
258 /* DRM_READMEMORYBARRIER() prevents reordering of reads.
259 * DRM_WRITEMEMORYBARRIER() prevents reordering of writes.
260 * DRM_MEMORYBARRIER() prevents reordering of reads and writes.
262 #define DRM_READMEMORYBARRIER() rmb()
263 #define DRM_WRITEMEMORYBARRIER() wmb()
264 #define DRM_MEMORYBARRIER() mb()
266 #define DRM_READ8(map, offset) \
267 *(volatile u_int8_t *)(((vm_offset_t)(map)->virtual) + \
268 (vm_offset_t)(offset))
269 #define DRM_READ16(map, offset) \
270 le16toh(*(volatile u_int16_t *)(((vm_offset_t)(map)->virtual) + \
271 (vm_offset_t)(offset)))
272 #define DRM_READ32(map, offset) \
273 le32toh(*(volatile u_int32_t *)(((vm_offset_t)(map)->virtual) + \
274 (vm_offset_t)(offset)))
275 #define DRM_READ64(map, offset) \
276 le64toh(*(volatile u_int64_t *)(((vm_offset_t)(map)->virtual) + \
277 (vm_offset_t)(offset)))
278 #define DRM_WRITE8(map, offset, val) \
279 *(volatile u_int8_t *)(((vm_offset_t)(map)->virtual) + \
280 (vm_offset_t)(offset)) = val
281 #define DRM_WRITE16(map, offset, val) \
282 *(volatile u_int16_t *)(((vm_offset_t)(map)->virtual) + \
283 (vm_offset_t)(offset)) = htole16(val)
284 #define DRM_WRITE32(map, offset, val) \
285 *(volatile u_int32_t *)(((vm_offset_t)(map)->virtual) + \
286 (vm_offset_t)(offset)) = htole32(val)
287 #define DRM_WRITE64(map, offset, val) \
288 *(volatile u_int64_t *)(((vm_offset_t)(map)->virtual) + \
289 (vm_offset_t)(offset)) = htole64(val)
291 #define DRM_VERIFYAREA_READ( uaddr, size ) \
292 (!useracc(__DECONST(caddr_t, uaddr), size, VM_PROT_READ))
294 #define DRM_COPY_TO_USER(user, kern, size) \
295 copyout(kern, user, size)
296 #define DRM_COPY_FROM_USER(kern, user, size) \
297 copyin(user, kern, size)
298 #define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \
299 copyin(arg2, arg1, arg3)
300 #define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \
301 copyout(arg2, arg1, arg3)
302 #define DRM_GET_USER_UNCHECKED(val, uaddr) \
303 ((val) = fuword32(uaddr), 0)
305 #define cpu_to_le32(x) htole32(x)
306 #define le32_to_cpu(x) le32toh(x)
309 #define DRM_UDELAY(udelay) DELAY(udelay)
310 #define DRM_TIME_SLICE (hz/20) /* Time slice for GLXContexts */
312 #define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \
313 (_map) = (_dev)->context_sareas[_ctx]; \
316 #define LOCK_TEST_WITH_RETURN(dev, file_priv) \
318 if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \
319 dev->lock.file_priv != file_priv) { \
320 DRM_ERROR("%s called without lock held\n", \
326 /* Returns -errno to shared code */
327 #define DRM_WAIT_ON( ret, queue, timeout, condition ) \
328 for ( ret = 0 ; !ret && !(condition) ; ) { \
330 lwkt_serialize_enter(&dev->irq_lock); \
332 ret = -mtx_sleep(&(queue), &dev->irq_lock, \
333 PCATCH, "drmwtq", (timeout)); \
334 lwkt_serialize_exit(&dev->irq_lock); \
339 free(void *addr, struct malloc_type *type)
346 vm_page_unhold_pages(vm_page_t *ma, int count)
350 for (i = 0; i < count; i++)
351 vm_page_unhold(ma[i]);
354 #define DRM_ERROR(fmt, ...) \
355 kprintf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt, \
356 DRM_CURRENTPID, __func__ , ##__VA_ARGS__)
358 #define DRM_INFO(fmt, ...) kprintf("info: [" DRM_NAME "] " fmt , ##__VA_ARGS__)
360 #define DRM_DEBUG(fmt, ...) do { \
361 if ((drm_debug_flag & DRM_DEBUGBITS_DEBUG) != 0) \
362 kprintf("[" DRM_NAME ":pid%d:%s] " fmt, DRM_CURRENTPID, \
363 __func__ , ##__VA_ARGS__); \
366 #define DRM_DEBUG_KMS(fmt, ...) do { \
367 if ((drm_debug_flag & DRM_DEBUGBITS_KMS) != 0) \
368 kprintf("[" DRM_NAME ":KMS:pid%d:%s] " fmt, DRM_CURRENTPID,\
369 __func__ , ##__VA_ARGS__); \
372 #define DRM_DEBUG_DRIVER(fmt, ...) do { \
373 if ((drm_debug_flag & DRM_DEBUGBITS_KMS) != 0) \
374 kprintf("[" DRM_NAME ":KMS:pid%d:%s] " fmt, DRM_CURRENTPID,\
375 __func__ , ##__VA_ARGS__); \
378 typedef struct drm_pci_id_list
386 struct drm_msi_blacklist_entry
393 #define DRM_MASTER 0x2
394 #define DRM_ROOT_ONLY 0x4
395 #define DRM_CONTROL_ALLOW 0x8
396 #define DRM_UNLOCKED 0x10
398 typedef struct drm_ioctl_desc {
400 int (*func)(struct drm_device *dev, void *data,
401 struct drm_file *file_priv);
405 * Creates a driver or general drm_ioctl_desc array entry for the given
406 * ioctl, for use by drm_ioctl().
408 #define DRM_IOCTL_DEF(ioctl, func, flags) \
409 [DRM_IOCTL_NR(ioctl)] = {ioctl, func, flags}
411 typedef struct drm_magic_entry {
413 struct drm_file *priv;
414 struct drm_magic_entry *next;
417 typedef struct drm_magic_head {
418 struct drm_magic_entry *head;
419 struct drm_magic_entry *tail;
422 typedef struct drm_buf {
423 int idx; /* Index into master buflist */
424 int total; /* Buffer size */
425 int order; /* log-base-2(total) */
426 int used; /* Amount of buffer in use (for DMA) */
427 unsigned long offset; /* Byte offset (used internally) */
428 void *address; /* Address of buffer */
429 unsigned long bus_address; /* Bus address of buffer */
430 struct drm_buf *next; /* Kernel-only: used for free list */
431 __volatile__ int pending; /* On hardware DMA queue */
432 struct drm_file *file_priv; /* Unique identifier of holding process */
433 int context; /* Kernel queue for this buffer */
441 } list; /* Which list we're on */
443 int dev_priv_size; /* Size of buffer private stoarge */
444 void *dev_private; /* Per-buffer private storage */
447 typedef struct drm_freelist {
448 int initialized; /* Freelist in use */
449 atomic_t count; /* Number of free buffers */
450 drm_buf_t *next; /* End pointer */
452 int low_mark; /* Low water mark */
453 int high_mark; /* High water mark */
456 typedef struct drm_dma_handle {
463 typedef struct drm_buf_entry {
468 drm_dma_handle_t **seglist;
471 drm_freelist_t freelist;
474 /* Event queued up for userspace to read */
475 struct drm_pending_event {
476 struct drm_event *event;
477 struct list_head link;
478 struct drm_file *file_priv;
479 pid_t pid; /* pid of requester, no guarantee it's valid by the time
480 we deliver the event, for tracing only */
481 void (*destroy)(struct drm_pending_event *event);
484 typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t;
486 TAILQ_ENTRY(drm_file) link;
487 struct drm_device *dev;
493 unsigned long ioctl_count;
496 struct drm_gem_names object_names;
499 struct drm_master *masterp;
501 struct list_head fbs;
503 struct list_head event_list;
507 typedef struct drm_lock_data {
508 struct drm_hw_lock *hw_lock; /* Hardware lock */
509 struct drm_file *file_priv; /* Unique identifier of holding process (NULL is kernel)*/
510 int lock_queue; /* Queue of blocked processes */
511 unsigned long lock_time; /* Time of last lock in jiffies */
514 /* This structure, in the struct drm_device, is always initialized while the
516 * is open. dev->dma_lock protects the incrementing of dev->buf_use, which
517 * when set marks that no further bufs may be allocated until device teardown
518 * occurs (when the last open of the device has closed). The high/low
519 * watermarks of bufs are only touched by the X Server, and thus not
520 * concurrently accessed, so no locking is needed.
522 typedef struct drm_device_dma {
523 drm_buf_entry_t bufs[DRM_MAX_ORDER+1];
525 drm_buf_t **buflist; /* Vector of pointers info bufs */
528 unsigned long *pagelist;
529 unsigned long byte_count;
531 _DRM_DMA_USE_AGP = 0x01,
532 _DRM_DMA_USE_SG = 0x02
536 typedef struct drm_agp_mem {
538 unsigned long bound; /* address */
540 struct drm_agp_mem *prev;
541 struct drm_agp_mem *next;
544 typedef struct drm_agp_head {
546 struct agp_info info;
548 drm_agp_mem_t *memory;
554 int cant_use_aperture;
555 unsigned long page_mask;
558 typedef struct drm_sg_mem {
564 #define DRM_MAP_HANDLE_BITS (sizeof(void *) == 4 ? 4 : 24)
565 #define DRM_MAP_HANDLE_SHIFT (sizeof(void *) * 8 - DRM_MAP_HANDLE_BITS)
566 typedef TAILQ_HEAD(drm_map_list, drm_local_map) drm_map_list_t;
568 typedef struct drm_local_map {
569 unsigned long offset; /* Physical address (0 for SAREA) */
570 unsigned long size; /* Physical size (bytes) */
571 enum drm_map_type type; /* Type of memory mapped */
572 enum drm_map_flags flags; /* Flags */
573 void *handle; /* User-space: "Handle" to pass to mmap */
574 /* Kernel-space: kernel-virtual address */
575 int mtrr; /* Boolean: MTRR used */
577 int rid; /* PCI resource ID for bus_space */
578 void *virtual; /* Kernel-space: kernel-virtual address */
579 struct resource *bsr;
581 bus_space_handle_t bsh;
582 drm_dma_handle_t *dmah;
583 TAILQ_ENTRY(drm_local_map) link;
586 struct drm_vblank_info {
587 wait_queue_head_t queue; /* vblank wait queue */
588 atomic_t count; /* number of VBLANK interrupts */
589 /* (driver must alloc the right number of counters) */
590 atomic_t refcount; /* number of users of vblank interrupts */
591 u32 last; /* protected by dev->vbl_lock, used */
592 /* for wraparound handling */
593 int enabled; /* so we don't call enable more than */
594 /* once per disable */
595 int inmodeset; /* Display driver is setting mode */
598 /* Size of ringbuffer for vblank timestamps. Just double-buffer
599 * in initial implementation.
601 #define DRM_VBLANKTIME_RBSIZE 2
603 /* Flags and return codes for get_vblank_timestamp() driver function. */
604 #define DRM_CALLED_FROM_VBLIRQ 1
605 #define DRM_VBLANKTIME_SCANOUTPOS_METHOD (1 << 0)
606 #define DRM_VBLANKTIME_INVBL (1 << 1)
608 /* get_scanout_position() return flags */
609 #define DRM_SCANOUTPOS_VALID (1 << 0)
610 #define DRM_SCANOUTPOS_INVBL (1 << 1)
611 #define DRM_SCANOUTPOS_ACCURATE (1 << 2)
613 /* location of GART table */
614 #define DRM_ATI_GART_MAIN 1
615 #define DRM_ATI_GART_FB 2
617 #define DRM_ATI_GART_PCI 1
618 #define DRM_ATI_GART_PCIE 2
619 #define DRM_ATI_GART_IGP 3
621 struct drm_ati_pcigart_info {
622 int gart_table_location;
626 dma_addr_t table_mask;
627 dma_addr_t member_mask;
628 struct drm_dma_handle *table_handle;
629 drm_local_map_t mapping;
631 struct drm_dma_handle *dmah; /* handle for ATI PCIGART table */
634 typedef vm_paddr_t resource_size_t;
637 * GEM specific mm private for tracking GEM objects
640 struct drm_open_hash offset_hash; /**< User token hash table for maps */
641 struct unrhdr *idxunr;
644 struct drm_gem_object {
645 /** Reference count of this object */
648 /** Handle count of this object. Each handle also holds a reference */
649 u_int handle_count; /* number of handles on this object */
651 /** Related drm device */
652 struct drm_device *dev;
654 /** File representing the shmem storage: filp in Linux parlance */
658 struct drm_hash_item map_list;
661 * Size of the object, in bytes. Immutable over the object's
667 * Global name for this object, starts at 1. 0 means unnamed.
668 * Access is covered by the object_name_lock in the related drm_device
673 * Memory domains. These monitor which caches contain read/write data
674 * related to the object. When transitioning from one set of domains
675 * to another, the driver is called to ensure that caches are suitably
676 * flushed and invalidated
678 uint32_t read_domains;
679 uint32_t write_domain;
682 * While validating an exec operation, the
683 * new read/write domain values are computed here.
684 * They will be transferred to the above values
685 * at the point that any cache flushing occurs
687 uint32_t pending_read_domains;
688 uint32_t pending_write_domain;
690 void *driver_private;
693 #include "drm_crtc.h"
696 #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : (1ULL<<(n)) - 1)
699 #define upper_32_bits(n) ((u32)(((n) >> 16) >> 16))
701 struct drm_driver_info {
702 int (*load)(struct drm_device *, unsigned long flags);
703 int (*firstopen)(struct drm_device *);
704 int (*open)(struct drm_device *, struct drm_file *);
705 void (*preclose)(struct drm_device *, struct drm_file *file_priv);
706 void (*postclose)(struct drm_device *, struct drm_file *);
707 void (*lastclose)(struct drm_device *);
708 int (*unload)(struct drm_device *);
709 void (*reclaim_buffers_locked)(struct drm_device *,
710 struct drm_file *file_priv);
711 int (*dma_ioctl)(struct drm_device *dev, void *data,
712 struct drm_file *file_priv);
713 void (*dma_ready)(struct drm_device *);
714 int (*dma_quiescent)(struct drm_device *);
715 int (*dma_flush_block_and_flush)(struct drm_device *, int context,
716 enum drm_lock_flags flags);
717 int (*dma_flush_unblock)(struct drm_device *, int context,
718 enum drm_lock_flags flags);
719 int (*context_ctor)(struct drm_device *dev, int context);
720 int (*context_dtor)(struct drm_device *dev, int context);
721 int (*kernel_context_switch)(struct drm_device *dev, int old,
723 int (*kernel_context_switch_unlock)(struct drm_device *dev);
724 void (*irq_preinstall)(struct drm_device *dev);
725 int (*irq_postinstall)(struct drm_device *dev);
726 void (*irq_uninstall)(struct drm_device *dev);
727 void (*irq_handler)(DRM_IRQ_ARGS);
729 u32 (*get_vblank_counter)(struct drm_device *dev, int crtc);
730 int (*enable_vblank)(struct drm_device *dev, int crtc);
731 void (*disable_vblank)(struct drm_device *dev, int crtc);
732 int (*get_scanout_position)(struct drm_device *dev, int crtc,
733 int *vpos, int *hpos);
735 int (*get_vblank_timestamp)(struct drm_device *dev, int crtc,
736 int *max_error, struct timeval *vblank_time,
739 int (*gem_init_object)(struct drm_gem_object *obj);
740 void (*gem_free_object)(struct drm_gem_object *obj);
742 struct cdev_pager_ops *gem_pager_ops;
744 int (*dumb_create)(struct drm_file *file_priv,
745 struct drm_device *dev, struct drm_mode_create_dumb *args);
746 int (*dumb_map_offset)(struct drm_file *file_priv,
747 struct drm_device *dev, uint32_t handle, uint64_t *offset);
748 int (*dumb_destroy)(struct drm_file *file_priv,
749 struct drm_device *dev, uint32_t handle);
751 int (*sysctl_init)(struct drm_device *dev,
752 struct sysctl_ctx_list *ctx, struct sysctl_oid *top);
753 void (*sysctl_cleanup)(struct drm_device *dev);
755 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */
758 * Called by \c drm_device_is_agp. Typically used to determine if a
759 * card is really attached to AGP or not.
761 * \param dev DRM device handle
764 * One of three values is returned depending on whether or not the
765 * card is absolutely \b not AGP (return of 0), absolutely \b is AGP
766 * (return of 1), or may or may not be AGP (return of 2).
768 int (*device_is_agp) (struct drm_device * dev);
770 drm_ioctl_desc_t *ioctls;
778 const char *name; /* Simple driver name */
779 const char *desc; /* Longer driver name */
780 const char *date; /* Date of last major changes. */
786 * DRM minor structure. This structure represents a drm minor number.
789 int index; /**< Minor device number */
790 int type; /**< Control or render */
791 device_t kdev; /**< OS device */
792 struct drm_device *dev;
794 struct drm_master *master; /* currently active master for this node */
795 struct list_head master_list;
796 struct drm_mode_group mode_group;
799 /* mode specified on the command line */
800 struct drm_cmdline_mode {
802 bool refresh_specified;
811 enum drm_connector_force force;
814 struct drm_pending_vblank_event {
815 struct drm_pending_event base;
817 struct drm_event_vblank event;
820 /* Length for the array of resource pointers for drm_get_resource_*. */
821 #define DRM_MAX_PCI_RESOURCE 6
824 * DRM device functions structure
827 struct drm_driver_info *driver;
828 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */
830 u_int16_t pci_device; /* PCI device id */
831 u_int16_t pci_vendor; /* PCI vendor id */
833 char *unique; /* Unique identifier: e.g., busid */
834 int unique_len; /* Length of unique field */
835 device_t device; /* Device instance from newbus */
836 struct cdev *devnode; /* Device number for mknod */
837 int if_version; /* Highest interface version set */
839 int flags; /* Flags to open(2) */
842 struct spinlock dma_lock; /* protects dev->dma */
843 struct lwkt_serialize irq_lock; /* protects irq condition checks */
844 struct lock dev_lock; /* protects everything else */
845 struct lock dev_struct_lock;
846 DRM_SPINTYPE drw_lock;
849 int open_count; /* Outstanding files open */
850 int buf_use; /* Buffers in use -- cannot alloc */
852 /* Performance counters */
853 unsigned long counters;
854 enum drm_stat_type types[15];
858 drm_file_list_t files;
859 drm_magic_head_t magiclist[DRM_HASH_SIZE];
861 /* Linked list of mappable regions. Protected by dev_lock */
862 drm_map_list_t maplist;
863 struct unrhdr *map_unrhdr;
865 drm_local_map_t **context_sareas;
868 drm_lock_data_t lock; /* Information on hardware lock */
870 /* DMA queues (contexts) */
871 drm_device_dma_t *dma; /* Optional pointer for DMA support */
873 /* Context support */
874 int irq; /* Interrupt used by board */
875 int irq_enabled; /* True if the irq handler is enabled */
876 int msi_enabled; /* MSI enabled */
877 int irqrid; /* Interrupt used by board */
878 struct resource *irqr; /* Resource for interrupt used by board */
879 void *irqh; /* Handle from bus_setup_intr */
881 /* Storage of resource pointers for drm_get_resource_* */
882 struct resource *pcir[DRM_MAX_PCI_RESOURCE];
883 int pcirid[DRM_MAX_PCI_RESOURCE];
890 atomic_t context_flag; /* Context swapping flag */
891 int last_context; /* Last current context */
895 struct sigio *buf_sigio; /* Processes waiting for SIGIO */
898 struct drm_sysctl_info *sysctl;
902 drm_sg_mem_t *sg; /* Scatter gather memory */
903 atomic_t *ctx_bitmap;
905 unsigned int agp_buffer_token;
906 drm_local_map_t *agp_buffer_map;
908 struct drm_minor *control; /**< Control node for card */
909 struct drm_minor *primary; /**< render type primary screen head */
911 struct unrhdr *drw_unrhdr;
912 /* RB tree of drawable infos */
913 RB_HEAD(drawable_tree, bsd_drm_drawable_info) drw_head;
915 int vblank_disable_allowed;
917 atomic_t *_vblank_count; /**< number of VBLANK interrupts (driver must alloc the right number of counters) */
918 struct timeval *_vblank_time; /**< timestamp of current vblank_count (drivers must alloc right number of fields) */
919 struct lock vblank_time_lock; /**< Protects vblank count and time updates during vblank enable/disable */
920 struct lock vbl_lock;
921 atomic_t *vblank_refcount; /* number of users of vblank interruptsper crtc */
922 u32 *last_vblank; /* protected by dev->vbl_lock, used */
923 /* for wraparound handling */
924 int *vblank_enabled; /* so we don't call enable more than
926 int *vblank_inmodeset; /* Display driver is setting mode */
927 u32 *last_vblank_wait; /* Last vblank seqno waited per CRTC */
928 struct callout vblank_disable_callout;
930 u32 max_vblank_count; /**< size of vblank counter register */
932 struct list_head vblank_event_list;
933 struct lock event_lock;
935 struct drm_mode_config mode_config; /**< Current mode config */
938 struct lock object_name_lock;
939 struct drm_gem_names object_names;
942 void *sysctl_private;
947 static __inline__ int drm_core_check_feature(struct drm_device *dev,
950 return ((dev->driver->driver_features & feature) ? 1 : 0);
954 static inline int drm_core_has_AGP(struct drm_device *dev)
956 return drm_core_check_feature(dev, DRIVER_USE_AGP);
959 #define drm_core_has_AGP(dev) (0)
981 DMI_CHASSIS_ASSET_TAG,
985 struct dmi_strmatch {
990 struct dmi_system_id {
991 int (*callback)(const struct dmi_system_id *);
993 struct dmi_strmatch matches[4];
995 #define DMI_MATCH(a, b) {(a), (b)}
996 bool dmi_check_system(const struct dmi_system_id *);
998 extern int drm_debug_flag;
999 extern int drm_notyet_flag;
1000 extern unsigned int drm_vblank_offdelay;
1001 extern unsigned int drm_timestamp_precision;
1003 /* Device setup support (drm_drv.c) */
1004 int drm_probe(device_t kdev, drm_pci_id_list_t *idlist);
1005 int drm_attach(device_t kdev, drm_pci_id_list_t *idlist);
1006 int drm_create_cdevs(device_t kdev);
1007 int drm_detach(device_t kdev);
1008 d_ioctl_t drm_ioctl;
1010 d_close_t drm_close;
1012 d_kqfilter_t drm_kqfilter;
1014 d_mmap_single_t drm_mmap_single;
1015 extern drm_local_map_t *drm_getsarea(struct drm_device *dev);
1017 void drm_event_wakeup(struct drm_pending_event *e);
1019 int drm_add_busid_modesetting(struct drm_device *dev,
1020 struct sysctl_ctx_list *ctx, struct sysctl_oid *top);
1022 /* File operations helpers (drm_fops.c) */
1023 extern int drm_open_helper(struct cdev *kdev, int flags, int fmt,
1025 struct drm_device *dev);
1026 extern struct drm_file *drm_find_file_by_proc(struct drm_device *dev,
1029 /* Memory management support (drm_memory.c) */
1030 void drm_mem_init(void);
1031 void drm_mem_uninit(void);
1032 void *drm_ioremap_wc(struct drm_device *dev, drm_local_map_t *map);
1033 void *drm_ioremap(struct drm_device *dev, drm_local_map_t *map);
1034 void drm_ioremapfree(drm_local_map_t *map);
1035 int drm_mtrr_add(unsigned long offset, size_t size, int flags);
1036 int drm_mtrr_del(int handle, unsigned long offset, size_t size, int flags);
1038 int drm_context_switch(struct drm_device *dev, int old, int new);
1039 int drm_context_switch_complete(struct drm_device *dev, int new);
1041 int drm_ctxbitmap_init(struct drm_device *dev);
1042 void drm_ctxbitmap_cleanup(struct drm_device *dev);
1043 void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle);
1044 int drm_ctxbitmap_next(struct drm_device *dev);
1046 /* Locking IOCTL support (drm_lock.c) */
1047 int drm_lock_take(struct drm_lock_data *lock_data,
1048 unsigned int context);
1049 int drm_lock_transfer(struct drm_lock_data *lock_data,
1050 unsigned int context);
1051 int drm_lock_free(struct drm_lock_data *lock_data,
1052 unsigned int context);
1054 /* Buffer management support (drm_bufs.c) */
1055 unsigned long drm_get_resource_start(struct drm_device *dev,
1056 unsigned int resource);
1057 unsigned long drm_get_resource_len(struct drm_device *dev,
1058 unsigned int resource);
1059 void drm_rmmap(struct drm_device *dev, drm_local_map_t *map);
1060 int drm_order(unsigned long size);
1061 int drm_addmap(struct drm_device *dev, unsigned long offset,
1063 enum drm_map_type type, enum drm_map_flags flags,
1064 drm_local_map_t **map_ptr);
1065 int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc *request);
1066 int drm_addbufs_sg(struct drm_device *dev, struct drm_buf_desc *request);
1067 int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc *request);
1069 /* DMA support (drm_dma.c) */
1070 int drm_dma_setup(struct drm_device *dev);
1071 void drm_dma_takedown(struct drm_device *dev);
1072 void drm_free_buffer(struct drm_device *dev, drm_buf_t *buf);
1073 void drm_reclaim_buffers(struct drm_device *dev, struct drm_file *file_priv);
1074 #define drm_core_reclaim_buffers drm_reclaim_buffers
1076 /* IRQ support (drm_irq.c) */
1077 int drm_irq_install(struct drm_device *dev);
1078 int drm_irq_uninstall(struct drm_device *dev);
1079 irqreturn_t drm_irq_handler(DRM_IRQ_ARGS);
1080 void drm_driver_irq_preinstall(struct drm_device *dev);
1081 void drm_driver_irq_postinstall(struct drm_device *dev);
1082 void drm_driver_irq_uninstall(struct drm_device *dev);
1084 void drm_vblank_pre_modeset(struct drm_device *dev, int crtc);
1085 void drm_vblank_post_modeset(struct drm_device *dev, int crtc);
1086 int drm_modeset_ctl(struct drm_device *dev, void *data,
1087 struct drm_file *file_priv);
1089 extern int drm_vblank_init(struct drm_device *dev, int num_crtcs);
1090 extern int drm_wait_vblank(struct drm_device *dev, void *data,
1091 struct drm_file *filp);
1092 extern int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq);
1093 extern u32 drm_vblank_count(struct drm_device *dev, int crtc);
1094 extern u32 drm_vblank_count_and_time(struct drm_device *dev, int crtc,
1095 struct timeval *vblanktime);
1096 extern bool drm_handle_vblank(struct drm_device *dev, int crtc);
1097 void drm_handle_vblank_events(struct drm_device *dev, int crtc);
1098 extern int drm_vblank_get(struct drm_device *dev, int crtc);
1099 extern void drm_vblank_put(struct drm_device *dev, int crtc);
1100 extern void drm_vblank_off(struct drm_device *dev, int crtc);
1101 extern void drm_vblank_cleanup(struct drm_device *dev);
1102 extern u32 drm_get_last_vbltimestamp(struct drm_device *dev, int crtc,
1103 struct timeval *tvblank, unsigned flags);
1104 extern int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev,
1105 int crtc, int *max_error,
1106 struct timeval *vblank_time,
1108 struct drm_crtc *refcrtc);
1109 extern void drm_calc_timestamping_constants(struct drm_crtc *crtc);
1111 struct timeval ns_to_timeval(const int64_t nsec);
1112 int64_t timeval_to_ns(const struct timeval *tv);
1114 /* AGP/PCI Express/GART support (drm_agpsupport.c) */
1115 int drm_device_is_agp(struct drm_device *dev);
1116 int drm_device_is_pcie(struct drm_device *dev);
1117 drm_agp_head_t *drm_agp_init(void);
1118 int drm_agp_acquire(struct drm_device *dev);
1119 int drm_agp_release(struct drm_device *dev);
1120 int drm_agp_info(struct drm_device * dev, struct drm_agp_info *info);
1121 int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode);
1122 void *drm_agp_allocate_memory(size_t pages, u32 type);
1123 int drm_agp_free_memory(void *handle);
1124 int drm_agp_bind_memory(void *handle, off_t start);
1125 int drm_agp_unbind_memory(void *handle);
1126 int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request);
1127 int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request);
1128 int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request);
1129 int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request);
1131 /* Scatter Gather Support (drm_scatter.c) */
1132 void drm_sg_cleanup(drm_sg_mem_t *entry);
1133 int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request);
1135 /* sysctl support (drm_sysctl.h) */
1136 extern int drm_sysctl_init(struct drm_device *dev);
1137 extern int drm_sysctl_cleanup(struct drm_device *dev);
1139 /* ATI PCIGART support (ati_pcigart.c) */
1140 int drm_ati_pcigart_init(struct drm_device *dev,
1141 struct drm_ati_pcigart_info *gart_info);
1142 int drm_ati_pcigart_cleanup(struct drm_device *dev,
1143 struct drm_ati_pcigart_info *gart_info);
1145 /* Cache management (drm_memory.c) */
1146 void drm_clflush_pages(vm_page_t *pages, unsigned long num_pages);
1148 /* Locking IOCTL support (drm_drv.c) */
1149 int drm_lock(struct drm_device *dev, void *data,
1150 struct drm_file *file_priv);
1151 int drm_unlock(struct drm_device *dev, void *data,
1152 struct drm_file *file_priv);
1153 int drm_version(struct drm_device *dev, void *data,
1154 struct drm_file *file_priv);
1155 int drm_setversion(struct drm_device *dev, void *data,
1156 struct drm_file *file_priv);
1158 /* Misc. IOCTL support (drm_ioctl.c) */
1159 int drm_irq_by_busid(struct drm_device *dev, void *data,
1160 struct drm_file *file_priv);
1161 int drm_getunique(struct drm_device *dev, void *data,
1162 struct drm_file *file_priv);
1163 int drm_setunique(struct drm_device *dev, void *data,
1164 struct drm_file *file_priv);
1165 int drm_getmap(struct drm_device *dev, void *data,
1166 struct drm_file *file_priv);
1167 int drm_getclient(struct drm_device *dev, void *data,
1168 struct drm_file *file_priv);
1169 int drm_getstats(struct drm_device *dev, void *data,
1170 struct drm_file *file_priv);
1171 int drm_getcap(struct drm_device *dev, void *data,
1172 struct drm_file *file_priv);
1173 int drm_noop(struct drm_device *dev, void *data,
1174 struct drm_file *file_priv);
1176 /* Context IOCTL support (drm_context.c) */
1177 int drm_resctx(struct drm_device *dev, void *data,
1178 struct drm_file *file_priv);
1179 int drm_addctx(struct drm_device *dev, void *data,
1180 struct drm_file *file_priv);
1181 int drm_modctx(struct drm_device *dev, void *data,
1182 struct drm_file *file_priv);
1183 int drm_getctx(struct drm_device *dev, void *data,
1184 struct drm_file *file_priv);
1185 int drm_switchctx(struct drm_device *dev, void *data,
1186 struct drm_file *file_priv);
1187 int drm_newctx(struct drm_device *dev, void *data,
1188 struct drm_file *file_priv);
1189 int drm_rmctx(struct drm_device *dev, void *data,
1190 struct drm_file *file_priv);
1191 int drm_setsareactx(struct drm_device *dev, void *data,
1192 struct drm_file *file_priv);
1193 int drm_getsareactx(struct drm_device *dev, void *data,
1194 struct drm_file *file_priv);
1196 /* Drawable IOCTL support (drm_drawable.c) */
1197 int drm_adddraw(struct drm_device *dev, void *data,
1198 struct drm_file *file_priv);
1199 int drm_rmdraw(struct drm_device *dev, void *data,
1200 struct drm_file *file_priv);
1201 int drm_update_draw(struct drm_device *dev, void *data,
1202 struct drm_file *file_priv);
1203 struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev,
1206 /* Drawable support (drm_drawable.c) */
1207 void drm_drawable_free_all(struct drm_device *dev);
1209 /* Authentication IOCTL support (drm_auth.c) */
1210 int drm_getmagic(struct drm_device *dev, void *data,
1211 struct drm_file *file_priv);
1212 int drm_authmagic(struct drm_device *dev, void *data,
1213 struct drm_file *file_priv);
1215 /* Buffer management support (drm_bufs.c) */
1216 int drm_addmap_ioctl(struct drm_device *dev, void *data,
1217 struct drm_file *file_priv);
1218 int drm_rmmap_ioctl(struct drm_device *dev, void *data,
1219 struct drm_file *file_priv);
1220 int drm_addbufs(struct drm_device *dev, void *data,
1221 struct drm_file *file_priv);
1222 int drm_infobufs(struct drm_device *dev, void *data,
1223 struct drm_file *file_priv);
1224 int drm_markbufs(struct drm_device *dev, void *data,
1225 struct drm_file *file_priv);
1226 int drm_freebufs(struct drm_device *dev, void *data,
1227 struct drm_file *file_priv);
1228 int drm_mapbufs(struct drm_device *dev, void *data,
1229 struct drm_file *file_priv);
1231 /* DMA support (drm_dma.c) */
1232 int drm_dma(struct drm_device *dev, void *data, struct drm_file *file_priv);
1234 /* IRQ support (drm_irq.c) */
1235 int drm_control(struct drm_device *dev, void *data,
1236 struct drm_file *file_priv);
1238 /* AGP/GART support (drm_agpsupport.c) */
1239 int drm_agp_acquire_ioctl(struct drm_device *dev, void *data,
1240 struct drm_file *file_priv);
1241 int drm_agp_release_ioctl(struct drm_device *dev, void *data,
1242 struct drm_file *file_priv);
1243 int drm_agp_enable_ioctl(struct drm_device *dev, void *data,
1244 struct drm_file *file_priv);
1245 int drm_agp_info_ioctl(struct drm_device *dev, void *data,
1246 struct drm_file *file_priv);
1247 int drm_agp_alloc_ioctl(struct drm_device *dev, void *data,
1248 struct drm_file *file_priv);
1249 int drm_agp_free_ioctl(struct drm_device *dev, void *data,
1250 struct drm_file *file_priv);
1251 int drm_agp_unbind_ioctl(struct drm_device *dev, void *data,
1252 struct drm_file *file_priv);
1253 int drm_agp_bind_ioctl(struct drm_device *dev, void *data,
1254 struct drm_file *file_priv);
1256 /* Stub support (drm_stub.h) */
1257 extern int drm_setmaster_ioctl(struct drm_device *dev, void *data,
1258 struct drm_file *file_priv);
1259 extern int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
1260 struct drm_file *file_priv);
1262 /* Scatter Gather Support (drm_scatter.c) */
1263 int drm_sg_alloc_ioctl(struct drm_device *dev, void *data,
1264 struct drm_file *file_priv);
1265 int drm_sg_free(struct drm_device *dev, void *data,
1266 struct drm_file *file_priv);
1268 /* consistent PCI memory functions (drm_pci.c) */
1269 drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size,
1270 size_t align, dma_addr_t maxaddr);
1271 void drm_pci_free(struct drm_device *dev, drm_dma_handle_t *dmah);
1273 /* Graphics Execution Manager library functions (drm_gem.c) */
1274 int drm_gem_init(struct drm_device *dev);
1275 void drm_gem_destroy(struct drm_device *dev);
1277 int drm_gem_close_ioctl(struct drm_device *dev, void *data,
1278 struct drm_file *file_priv);
1279 int drm_gem_flink_ioctl(struct drm_device *dev, void *data,
1280 struct drm_file *file_priv);
1281 int drm_gem_open_ioctl(struct drm_device *dev, void *data,
1282 struct drm_file *file_priv);
1283 int drm_gem_handle_create(struct drm_file *file_priv,
1284 struct drm_gem_object *obj,
1286 int drm_gem_handle_delete(struct drm_file *file_priv, uint32_t handle);
1287 void drm_gem_object_handle_reference(struct drm_gem_object *obj);
1288 void drm_gem_object_handle_unreference(struct drm_gem_object *obj);
1289 void drm_gem_object_handle_unreference_unlocked(struct drm_gem_object *obj);
1290 void drm_gem_object_handle_free(struct drm_gem_object *obj);
1291 void drm_gem_object_reference(struct drm_gem_object *obj);
1292 void drm_gem_object_unreference(struct drm_gem_object *obj);
1293 void drm_gem_object_unreference_unlocked(struct drm_gem_object *obj);
1294 void drm_gem_object_release(struct drm_gem_object *obj);
1295 void drm_gem_object_free(struct drm_gem_object *obj);
1296 int drm_gem_object_init(struct drm_device *dev, struct drm_gem_object *obj,
1298 int drm_gem_private_object_init(struct drm_device *dev,
1299 struct drm_gem_object *obj, size_t size);
1300 struct drm_gem_object *drm_gem_object_alloc(struct drm_device *dev,
1302 struct drm_gem_object *drm_gem_object_lookup(struct drm_device *dev,
1303 struct drm_file *file_priv, uint32_t handle);
1305 void drm_gem_open(struct drm_device *dev, struct drm_file *file_priv);
1306 void drm_gem_release(struct drm_device *dev, struct drm_file *file_priv);
1308 int drm_gem_create_mmap_offset(struct drm_gem_object *obj);
1309 void drm_gem_free_mmap_offset(struct drm_gem_object *obj);
1310 int drm_gem_mmap_single(struct cdev *kdev, vm_ooffset_t *offset, vm_size_t size,
1311 struct vm_object **obj_res, int nprot);
1312 void drm_gem_pager_dtr(void *obj);
1314 void drm_device_lock_mtx(struct drm_device *dev);
1315 void drm_device_unlock_mtx(struct drm_device *dev);
1316 int drm_device_sleep_mtx(struct drm_device *dev, void *chan, int flags,
1317 const char *msg, int timeout);
1318 void drm_device_assert_mtx_locked(struct drm_device *dev);
1319 void drm_device_assert_mtx_unlocked(struct drm_device *dev);
1321 void drm_device_lock_struct(struct drm_device *dev);
1322 void drm_device_unlock_struct(struct drm_device *dev);
1323 int drm_device_sleep_struct(struct drm_device *dev, void *chan, int flags,
1324 const char *msg, int timeout);
1325 void drm_device_assert_struct_locked(struct drm_device *dev);
1326 void drm_device_assert_struct_unlocked(struct drm_device *dev);
1328 void drm_compat_locking_init(struct drm_device *dev);
1329 void drm_sleep_locking_init(struct drm_device *dev);
1332 bool drm_mode_parse_command_line_for_connector(const char *mode_option,
1333 struct drm_connector *connector, struct drm_cmdline_mode *mode);
1334 struct drm_display_mode *drm_mode_create_from_cmdline_mode(
1335 struct drm_device *dev, struct drm_cmdline_mode *cmd);
1338 u8 *drm_find_cea_extension(struct edid *edid);
1340 /* Inline replacements for drm_alloc and friends */
1341 static __inline__ void *
1342 drm_alloc(size_t size, struct malloc_type *area)
1344 return kmalloc(size, area, M_NOWAIT);
1347 static __inline__ void *
1348 drm_calloc(size_t nmemb, size_t size, struct malloc_type *area)
1350 return kmalloc(size * nmemb, area, M_NOWAIT | M_ZERO);
1353 static __inline__ void *
1354 drm_realloc(void *oldpt, size_t oldsize, size_t size,
1355 struct malloc_type *area)
1358 res = krealloc(oldpt, size, area, M_NOWAIT);
1364 static __inline__ void
1365 drm_free(void *pt, size_t size, struct malloc_type *area)
1370 /* Inline replacements for DRM_IOREMAP macros */
1371 static __inline__ void
1372 drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev)
1374 map->virtual = drm_ioremap_wc(dev, map);
1376 static __inline__ void
1377 drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev)
1379 map->virtual = drm_ioremap(dev, map);
1381 static __inline__ void
1382 drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev)
1384 if ( map->virtual && map->size )
1385 drm_ioremapfree(map);
1388 static __inline__ struct drm_local_map *
1389 drm_core_findmap(struct drm_device *dev, unsigned long offset)
1391 drm_local_map_t *map;
1393 DRM_LOCK_ASSERT(dev);
1394 TAILQ_FOREACH(map, &dev->maplist, link) {
1395 if (offset == (unsigned long)map->handle)
1401 static __inline__ void drm_core_dropmap(struct drm_map *map)
1405 #define KIB_NOTYET() \
1407 if (drm_debug_flag && drm_notyet_flag) \
1408 kprintf("NOTYET: %s at %s:%d\n", __func__, __FILE__, __LINE__); \
1411 #define KTR_DRM KTR_DEV
1412 #define KTR_DRM_REG KTR_SPARE3
1414 #endif /* __KERNEL__ */
1415 #endif /* _DRM_P_H_ */