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>
34 #include <sys/cdefs.h>
35 __FBSDID("$FreeBSD$");
40 #if defined(_KERNEL) || defined(__KERNEL__)
45 #include <sys/param.h>
46 #include <sys/queue.h>
47 #include <sys/malloc.h>
48 #include <sys/kernel.h>
50 #include <sys/module.h>
51 #include <sys/systm.h>
53 #include <sys/sglist.h>
58 #include <sys/fcntl.h>
60 #include <sys/filio.h>
61 #include <sys/rwlock.h>
62 #include <sys/selinfo.h>
63 #include <sys/sysctl.h>
65 #include <sys/queue.h>
66 #include <sys/signalvar.h>
69 #include <sys/taskqueue.h>
73 #include <vm/vm_extern.h>
74 #include <vm/vm_kern.h>
75 #include <vm/vm_map.h>
76 #include <vm/vm_object.h>
77 #include <vm/vm_page.h>
78 #include <vm/vm_pager.h>
79 #include <vm/vm_param.h>
80 #include <vm/vm_phys.h>
81 #include <machine/param.h>
82 #include <machine/pmap.h>
83 #include <machine/bus.h>
84 #include <machine/resource.h>
85 #if defined(__i386__) || defined(__amd64__)
86 #include <machine/specialreg.h>
88 #include <machine/sysarch.h>
89 #include <sys/endian.h>
92 #include <sys/memrange.h>
93 #include <dev/agp/agpvar.h>
94 #include <sys/agpio.h>
95 #include <sys/mutex.h>
96 #include <dev/pci/pcivar.h>
97 #include <dev/pci/pcireg.h>
98 #include <sys/selinfo.h>
101 #include <dev/drm2/drm.h>
102 #include <dev/drm2/drm_atomic.h>
103 #include <dev/drm2/drm_internal.h>
104 #include <dev/drm2/drm_linux_list.h>
105 #include <dev/drm2/drm_gem_names.h>
106 #include <dev/drm2/drm_mm.h>
107 #include <dev/drm2/drm_hashtab.h>
109 #include "opt_compat.h"
113 #define DRM_DEBUG_DEFAULT_ON 1
114 #endif /* DRM_DEBUG */
116 #define DRM_DEBUGBITS_DEBUG 0x1
117 #define DRM_DEBUGBITS_KMS 0x2
118 #define DRM_DEBUGBITS_FAILED_IOCTL 0x4
123 /* driver capabilities and requirements mask */
124 #define DRIVER_USE_AGP 0x1
125 #define DRIVER_REQUIRE_AGP 0x2
126 #define DRIVER_USE_MTRR 0x4
127 #define DRIVER_PCI_DMA 0x8
128 #define DRIVER_SG 0x10
129 #define DRIVER_HAVE_DMA 0x20
130 #define DRIVER_HAVE_IRQ 0x40
131 #define DRIVER_IRQ_SHARED 0x80
132 #define DRIVER_IRQ_VBL 0x100
133 #define DRIVER_DMA_QUEUE 0x200
134 #define DRIVER_FB_DMA 0x400
135 #define DRIVER_IRQ_VBL2 0x800
136 #define DRIVER_GEM 0x1000
137 #define DRIVER_MODESET 0x2000
138 #define DRIVER_USE_PLATFORM_DEVICE 0x4000
139 #define DRIVER_LOCKLESS_IRQ 0x8000
142 #define DRM_HASH_SIZE 16 /* Size of key hash table */
143 #define DRM_KERNEL_CONTEXT 0 /* Change drm_resctx if changed */
144 #define DRM_RESERVED_CONTEXTS 1 /* Change drm_resctx if changed */
146 #define DRM_GEM_MAPPING_MASK (3ULL << 62)
147 #define DRM_GEM_MAPPING_KEY (2ULL << 62) /* Non-canonical address form */
148 #define DRM_GEM_MAX_IDX 0x3fffff
149 #define DRM_GEM_MAPPING_IDX(o) (((o) >> 40) & DRM_GEM_MAX_IDX)
150 #define DRM_GEM_MAPPING_OFF(i) (((uint64_t)(i)) << 40)
151 #define DRM_GEM_MAPPING_MAPOFF(o) \
152 ((o) & ~(DRM_GEM_MAPPING_OFF(DRM_GEM_MAX_IDX) | DRM_GEM_MAPPING_KEY))
154 MALLOC_DECLARE(DRM_MEM_DMA);
155 MALLOC_DECLARE(DRM_MEM_SAREA);
156 MALLOC_DECLARE(DRM_MEM_DRIVER);
157 MALLOC_DECLARE(DRM_MEM_MAGIC);
158 MALLOC_DECLARE(DRM_MEM_IOCTLS);
159 MALLOC_DECLARE(DRM_MEM_MAPS);
160 MALLOC_DECLARE(DRM_MEM_BUFS);
161 MALLOC_DECLARE(DRM_MEM_SEGS);
162 MALLOC_DECLARE(DRM_MEM_PAGES);
163 MALLOC_DECLARE(DRM_MEM_FILES);
164 MALLOC_DECLARE(DRM_MEM_QUEUES);
165 MALLOC_DECLARE(DRM_MEM_CMDS);
166 MALLOC_DECLARE(DRM_MEM_MAPPINGS);
167 MALLOC_DECLARE(DRM_MEM_BUFLISTS);
168 MALLOC_DECLARE(DRM_MEM_AGPLISTS);
169 MALLOC_DECLARE(DRM_MEM_CTXBITMAP);
170 MALLOC_DECLARE(DRM_MEM_SGLISTS);
171 MALLOC_DECLARE(DRM_MEM_DRAWABLE);
172 MALLOC_DECLARE(DRM_MEM_MM);
173 MALLOC_DECLARE(DRM_MEM_HASHTAB);
174 MALLOC_DECLARE(DRM_MEM_KMS);
176 SYSCTL_DECL(_hw_drm);
178 #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8)
180 /* Internal types and structures */
181 #define DRM_ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))
182 #define DRM_MIN(a,b) ((a)<(b)?(a):(b))
183 #define DRM_MAX(a,b) ((a)>(b)?(a):(b))
185 #define DRM_IF_VERSION(maj, min) (maj << 16 | min)
187 #define __OS_HAS_AGP 1
189 #define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP)
190 #define DRM_DEV_UID 0
191 #define DRM_DEV_GID 0
193 #define wait_queue_head_t atomic_t
194 #define DRM_WAKEUP(w) wakeup((void *)w)
195 #define DRM_WAKEUP_INT(w) wakeup(w)
196 #define DRM_INIT_WAITQUEUE(queue) do {(void)(queue);} while (0)
198 #define DRM_CURPROC curthread
199 #define DRM_STRUCTPROC struct thread
200 #define DRM_SPINTYPE struct mtx
201 #define DRM_SPININIT(l,name) mtx_init(l, name, NULL, MTX_DEF)
202 #define DRM_SPINUNINIT(l) mtx_destroy(l)
203 #define DRM_SPINLOCK(l) mtx_lock(l)
204 #define DRM_SPINUNLOCK(u) mtx_unlock(u)
205 #define DRM_SPINLOCK_IRQSAVE(l, irqflags) do { \
209 #define DRM_SPINUNLOCK_IRQRESTORE(u, irqflags) mtx_unlock(u)
210 #define DRM_SPINLOCK_ASSERT(l) mtx_assert(l, MA_OWNED)
211 #define DRM_CURRENTPID curthread->td_proc->p_pid
212 #define DRM_LOCK(dev) sx_xlock(&(dev)->dev_struct_lock)
213 #define DRM_UNLOCK(dev) sx_xunlock(&(dev)->dev_struct_lock)
214 #define DRM_LOCK_SLEEP(dev, chan, flags, msg, timeout) \
215 (sx_sleep((chan), &(dev)->dev_struct_lock, (flags), (msg), (timeout)))
216 #if defined(INVARIANTS)
217 #define DRM_LOCK_ASSERT(dev) sx_assert(&(dev)->dev_struct_lock, SA_XLOCKED)
218 #define DRM_UNLOCK_ASSERT(dev) sx_assert(&(dev)->dev_struct_lock, SA_UNLOCKED)
220 #define DRM_LOCK_ASSERT(d)
221 #define DRM_UNLOCK_ASSERT(d)
224 #define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS)
226 #define DRM_IRQ_ARGS void *arg
227 typedef void irqreturn_t;
228 #define IRQ_HANDLED /* nothing */
229 #define IRQ_NONE /* nothing */
231 #define unlikely(x) __builtin_expect(!!(x), 0)
232 #define likely(x) __builtin_expect(!!(x), 1)
233 #define container_of(ptr, type, member) ({ \
234 __typeof( ((type *)0)->member ) *__mptr = (ptr); \
235 (type *)( (char *)__mptr - offsetof(type,member) );})
242 #define DRM_AGP_MEM struct agp_memory_info
244 #define drm_get_device_from_kdev(_kdev) (_kdev->si_drv1)
246 #define PAGE_ALIGN(addr) round_page(addr)
247 /* DRM_SUSER returns true if the user is superuser */
248 #define DRM_SUSER(p) (priv_check(p, PRIV_DRIVER) == 0)
249 #define DRM_AGP_FIND_DEVICE() agp_find_device()
250 #define DRM_MTRR_WC MDF_WRITECOMBINE
251 #define jiffies ticks
252 #define jiffies_to_msecs(x) (((int64_t)(x)) * 1000 / hz)
253 #define msecs_to_jiffies(x) (((int64_t)(x)) * hz / 1000)
254 #define time_after(a,b) ((long)(b) - (long)(a) < 0)
255 #define time_after_eq(a,b) ((long)(b) - (long)(a) <= 0)
256 #define drm_msleep(x, msg) pause((msg), ((int64_t)(x)) * hz / 1000)
258 typedef vm_paddr_t dma_addr_t;
259 typedef uint64_t u64;
260 typedef uint32_t u32;
261 typedef uint16_t u16;
268 /* DRM_READMEMORYBARRIER() prevents reordering of reads.
269 * DRM_WRITEMEMORYBARRIER() prevents reordering of writes.
270 * DRM_MEMORYBARRIER() prevents reordering of reads and writes.
272 #define DRM_READMEMORYBARRIER() rmb()
273 #define DRM_WRITEMEMORYBARRIER() wmb()
274 #define DRM_MEMORYBARRIER() mb()
276 #define DRM_READ8(map, offset) \
277 *(volatile u_int8_t *)(((vm_offset_t)(map)->virtual) + \
278 (vm_offset_t)(offset))
279 #define DRM_READ16(map, offset) \
280 le16toh(*(volatile u_int16_t *)(((vm_offset_t)(map)->virtual) + \
281 (vm_offset_t)(offset)))
282 #define DRM_READ32(map, offset) \
283 le32toh(*(volatile u_int32_t *)(((vm_offset_t)(map)->virtual) + \
284 (vm_offset_t)(offset)))
285 #define DRM_READ64(map, offset) \
286 le64toh(*(volatile u_int64_t *)(((vm_offset_t)(map)->virtual) + \
287 (vm_offset_t)(offset)))
288 #define DRM_WRITE8(map, offset, val) \
289 *(volatile u_int8_t *)(((vm_offset_t)(map)->virtual) + \
290 (vm_offset_t)(offset)) = val
291 #define DRM_WRITE16(map, offset, val) \
292 *(volatile u_int16_t *)(((vm_offset_t)(map)->virtual) + \
293 (vm_offset_t)(offset)) = htole16(val)
294 #define DRM_WRITE32(map, offset, val) \
295 *(volatile u_int32_t *)(((vm_offset_t)(map)->virtual) + \
296 (vm_offset_t)(offset)) = htole32(val)
297 #define DRM_WRITE64(map, offset, val) \
298 *(volatile u_int64_t *)(((vm_offset_t)(map)->virtual) + \
299 (vm_offset_t)(offset)) = htole64(val)
301 #define DRM_VERIFYAREA_READ( uaddr, size ) \
302 (!useracc(__DECONST(caddr_t, uaddr), size, VM_PROT_READ))
304 #define DRM_COPY_TO_USER(user, kern, size) \
305 copyout(kern, user, size)
306 #define DRM_COPY_FROM_USER(kern, user, size) \
307 copyin(user, kern, size)
308 #define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \
309 copyin(arg2, arg1, arg3)
310 #define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \
311 copyout(arg2, arg1, arg3)
312 #define DRM_GET_USER_UNCHECKED(val, uaddr) \
313 ((val) = fuword32(uaddr), 0)
315 #define cpu_to_le32(x) htole32(x)
316 #define le32_to_cpu(x) le32toh(x)
319 #define DRM_UDELAY(udelay) DELAY(udelay)
320 #define DRM_TIME_SLICE (hz/20) /* Time slice for GLXContexts */
322 #define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \
323 (_map) = (_dev)->context_sareas[_ctx]; \
326 #define LOCK_TEST_WITH_RETURN(dev, file_priv) \
328 if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \
329 dev->lock.file_priv != file_priv) { \
330 DRM_ERROR("%s called without lock held\n", \
336 /* Returns -errno to shared code */
337 #define DRM_WAIT_ON( ret, queue, timeout, condition ) \
338 for ( ret = 0 ; !ret && !(condition) ; ) { \
340 mtx_lock(&dev->irq_lock); \
342 ret = -mtx_sleep(&(queue), &dev->irq_lock, \
343 PCATCH, "drmwtq", (timeout)); \
344 mtx_unlock(&dev->irq_lock); \
348 #define DRM_ERROR(fmt, ...) \
349 printf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt, \
350 DRM_CURRENTPID, __func__ , ##__VA_ARGS__)
352 #define DRM_INFO(fmt, ...) printf("info: [" DRM_NAME "] " fmt , ##__VA_ARGS__)
354 #define DRM_DEBUG(fmt, ...) do { \
355 if ((drm_debug_flag & DRM_DEBUGBITS_DEBUG) != 0) \
356 printf("[" DRM_NAME ":pid%d:%s] " fmt, DRM_CURRENTPID, \
357 __func__ , ##__VA_ARGS__); \
360 #define DRM_DEBUG_KMS(fmt, ...) do { \
361 if ((drm_debug_flag & DRM_DEBUGBITS_KMS) != 0) \
362 printf("[" DRM_NAME ":KMS:pid%d:%s] " fmt, DRM_CURRENTPID,\
363 __func__ , ##__VA_ARGS__); \
366 #define DRM_DEBUG_DRIVER(fmt, ...) do { \
367 if ((drm_debug_flag & DRM_DEBUGBITS_KMS) != 0) \
368 printf("[" DRM_NAME ":KMS:pid%d:%s] " fmt, DRM_CURRENTPID,\
369 __func__ , ##__VA_ARGS__); \
372 typedef struct drm_pci_id_list
380 struct drm_msi_blacklist_entry
387 #define DRM_MASTER 0x2
388 #define DRM_ROOT_ONLY 0x4
389 #define DRM_CONTROL_ALLOW 0x8
390 #define DRM_UNLOCKED 0x10
392 typedef struct drm_ioctl_desc {
394 int (*func)(struct drm_device *dev, void *data,
395 struct drm_file *file_priv);
399 * Creates a driver or general drm_ioctl_desc array entry for the given
400 * ioctl, for use by drm_ioctl().
402 #define DRM_IOCTL_DEF(ioctl, func, flags) \
403 [DRM_IOCTL_NR(ioctl)] = {ioctl, func, flags}
405 typedef struct drm_magic_entry {
407 struct drm_file *priv;
408 struct drm_magic_entry *next;
411 typedef struct drm_magic_head {
412 struct drm_magic_entry *head;
413 struct drm_magic_entry *tail;
416 typedef struct drm_buf {
417 int idx; /* Index into master buflist */
418 int total; /* Buffer size */
419 int order; /* log-base-2(total) */
420 int used; /* Amount of buffer in use (for DMA) */
421 unsigned long offset; /* Byte offset (used internally) */
422 void *address; /* Address of buffer */
423 unsigned long bus_address; /* Bus address of buffer */
424 struct drm_buf *next; /* Kernel-only: used for free list */
425 __volatile__ int pending; /* On hardware DMA queue */
426 struct drm_file *file_priv; /* Unique identifier of holding process */
427 int context; /* Kernel queue for this buffer */
435 } list; /* Which list we're on */
437 int dev_priv_size; /* Size of buffer private stoarge */
438 void *dev_private; /* Per-buffer private storage */
441 typedef struct drm_freelist {
442 int initialized; /* Freelist in use */
443 atomic_t count; /* Number of free buffers */
444 drm_buf_t *next; /* End pointer */
446 int low_mark; /* Low water mark */
447 int high_mark; /* High water mark */
450 typedef struct drm_dma_handle {
457 typedef struct drm_buf_entry {
462 drm_dma_handle_t **seglist;
465 drm_freelist_t freelist;
468 /* Event queued up for userspace to read */
469 struct drm_pending_event {
470 struct drm_event *event;
471 struct list_head link;
472 struct drm_file *file_priv;
473 pid_t pid; /* pid of requester, no guarantee it's valid by the time
474 we deliver the event, for tracing only */
475 void (*destroy)(struct drm_pending_event *event);
478 typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t;
480 TAILQ_ENTRY(drm_file) link;
481 struct drm_device *dev;
487 unsigned long ioctl_count;
490 struct drm_gem_names object_names;
493 struct drm_master *masterp;
495 struct list_head fbs;
497 struct list_head event_list;
499 struct selinfo event_poll;
502 typedef struct drm_lock_data {
503 struct drm_hw_lock *hw_lock; /* Hardware lock */
504 struct drm_file *file_priv; /* Unique identifier of holding process (NULL is kernel)*/
505 int lock_queue; /* Queue of blocked processes */
506 unsigned long lock_time; /* Time of last lock in jiffies */
509 /* This structure, in the struct drm_device, is always initialized while the
511 * is open. dev->dma_lock protects the incrementing of dev->buf_use, which
512 * when set marks that no further bufs may be allocated until device teardown
513 * occurs (when the last open of the device has closed). The high/low
514 * watermarks of bufs are only touched by the X Server, and thus not
515 * concurrently accessed, so no locking is needed.
517 typedef struct drm_device_dma {
518 drm_buf_entry_t bufs[DRM_MAX_ORDER+1];
520 drm_buf_t **buflist; /* Vector of pointers info bufs */
523 unsigned long *pagelist;
524 unsigned long byte_count;
526 _DRM_DMA_USE_AGP = 0x01,
527 _DRM_DMA_USE_SG = 0x02
531 typedef struct drm_agp_mem {
533 unsigned long bound; /* address */
535 struct drm_agp_mem *prev;
536 struct drm_agp_mem *next;
539 typedef struct drm_agp_head {
541 struct agp_info info;
543 drm_agp_mem_t *memory;
549 int cant_use_aperture;
550 unsigned long page_mask;
553 typedef struct drm_sg_mem {
559 #define DRM_MAP_HANDLE_BITS (sizeof(void *) == 4 ? 4 : 24)
560 #define DRM_MAP_HANDLE_SHIFT (sizeof(void *) * 8 - DRM_MAP_HANDLE_BITS)
561 typedef TAILQ_HEAD(drm_map_list, drm_local_map) drm_map_list_t;
563 typedef struct drm_local_map {
564 unsigned long offset; /* Physical address (0 for SAREA) */
565 unsigned long size; /* Physical size (bytes) */
566 enum drm_map_type type; /* Type of memory mapped */
567 enum drm_map_flags flags; /* Flags */
568 void *handle; /* User-space: "Handle" to pass to mmap */
569 /* Kernel-space: kernel-virtual address */
570 int mtrr; /* Boolean: MTRR used */
572 int rid; /* PCI resource ID for bus_space */
573 void *virtual; /* Kernel-space: kernel-virtual address */
574 struct resource *bsr;
576 bus_space_handle_t bsh;
577 drm_dma_handle_t *dmah;
578 TAILQ_ENTRY(drm_local_map) link;
581 struct drm_vblank_info {
582 wait_queue_head_t queue; /* vblank wait queue */
583 atomic_t count; /* number of VBLANK interrupts */
584 /* (driver must alloc the right number of counters) */
585 atomic_t refcount; /* number of users of vblank interrupts */
586 u32 last; /* protected by dev->vbl_lock, used */
587 /* for wraparound handling */
588 int enabled; /* so we don't call enable more than */
589 /* once per disable */
590 int inmodeset; /* Display driver is setting mode */
593 /* Size of ringbuffer for vblank timestamps. Just double-buffer
594 * in initial implementation.
596 #define DRM_VBLANKTIME_RBSIZE 2
598 /* Flags and return codes for get_vblank_timestamp() driver function. */
599 #define DRM_CALLED_FROM_VBLIRQ 1
600 #define DRM_VBLANKTIME_SCANOUTPOS_METHOD (1 << 0)
601 #define DRM_VBLANKTIME_INVBL (1 << 1)
603 /* get_scanout_position() return flags */
604 #define DRM_SCANOUTPOS_VALID (1 << 0)
605 #define DRM_SCANOUTPOS_INVBL (1 << 1)
606 #define DRM_SCANOUTPOS_ACCURATE (1 << 2)
608 /* location of GART table */
609 #define DRM_ATI_GART_MAIN 1
610 #define DRM_ATI_GART_FB 2
612 #define DRM_ATI_GART_PCI 1
613 #define DRM_ATI_GART_PCIE 2
614 #define DRM_ATI_GART_IGP 3
616 struct drm_ati_pcigart_info {
617 int gart_table_location;
621 dma_addr_t table_mask;
622 dma_addr_t member_mask;
623 struct drm_dma_handle *table_handle;
624 drm_local_map_t mapping;
626 struct drm_dma_handle *dmah; /* handle for ATI PCIGART table */
629 typedef vm_paddr_t resource_size_t;
632 * GEM specific mm private for tracking GEM objects
635 struct drm_open_hash offset_hash; /**< User token hash table for maps */
636 struct unrhdr *idxunr;
639 struct drm_gem_object {
640 /** Reference count of this object */
643 /** Handle count of this object. Each handle also holds a reference */
644 u_int handle_count; /* number of handles on this object */
646 /** Related drm device */
647 struct drm_device *dev;
649 /** File representing the shmem storage: filp in Linux parlance */
653 struct drm_hash_item map_list;
656 * Size of the object, in bytes. Immutable over the object's
662 * Global name for this object, starts at 1. 0 means unnamed.
663 * Access is covered by the object_name_lock in the related drm_device
668 * Memory domains. These monitor which caches contain read/write data
669 * related to the object. When transitioning from one set of domains
670 * to another, the driver is called to ensure that caches are suitably
671 * flushed and invalidated
673 uint32_t read_domains;
674 uint32_t write_domain;
677 * While validating an exec operation, the
678 * new read/write domain values are computed here.
679 * They will be transferred to the above values
680 * at the point that any cache flushing occurs
682 uint32_t pending_read_domains;
683 uint32_t pending_write_domain;
685 void *driver_private;
688 #include "drm_crtc.h"
691 #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : (1ULL<<(n)) - 1)
694 #define upper_32_bits(n) ((u32)(((n) >> 16) >> 16))
696 struct drm_driver_info {
697 int (*load)(struct drm_device *, unsigned long flags);
698 int (*firstopen)(struct drm_device *);
699 int (*open)(struct drm_device *, struct drm_file *);
700 void (*preclose)(struct drm_device *, struct drm_file *file_priv);
701 void (*postclose)(struct drm_device *, struct drm_file *);
702 void (*lastclose)(struct drm_device *);
703 int (*unload)(struct drm_device *);
704 void (*reclaim_buffers_locked)(struct drm_device *,
705 struct drm_file *file_priv);
706 int (*dma_ioctl)(struct drm_device *dev, void *data,
707 struct drm_file *file_priv);
708 void (*dma_ready)(struct drm_device *);
709 int (*dma_quiescent)(struct drm_device *);
710 int (*dma_flush_block_and_flush)(struct drm_device *, int context,
711 enum drm_lock_flags flags);
712 int (*dma_flush_unblock)(struct drm_device *, int context,
713 enum drm_lock_flags flags);
714 int (*context_ctor)(struct drm_device *dev, int context);
715 int (*context_dtor)(struct drm_device *dev, int context);
716 int (*kernel_context_switch)(struct drm_device *dev, int old,
718 int (*kernel_context_switch_unlock)(struct drm_device *dev);
719 void (*irq_preinstall)(struct drm_device *dev);
720 int (*irq_postinstall)(struct drm_device *dev);
721 void (*irq_uninstall)(struct drm_device *dev);
722 void (*irq_handler)(DRM_IRQ_ARGS);
724 u32 (*get_vblank_counter)(struct drm_device *dev, int crtc);
725 int (*enable_vblank)(struct drm_device *dev, int crtc);
726 void (*disable_vblank)(struct drm_device *dev, int crtc);
727 int (*get_scanout_position)(struct drm_device *dev, int crtc,
728 int *vpos, int *hpos);
730 int (*get_vblank_timestamp)(struct drm_device *dev, int crtc,
731 int *max_error, struct timeval *vblank_time,
734 int (*gem_init_object)(struct drm_gem_object *obj);
735 void (*gem_free_object)(struct drm_gem_object *obj);
737 struct cdev_pager_ops *gem_pager_ops;
739 int (*dumb_create)(struct drm_file *file_priv,
740 struct drm_device *dev, struct drm_mode_create_dumb *args);
741 int (*dumb_map_offset)(struct drm_file *file_priv,
742 struct drm_device *dev, uint32_t handle, uint64_t *offset);
743 int (*dumb_destroy)(struct drm_file *file_priv,
744 struct drm_device *dev, uint32_t handle);
746 int (*sysctl_init)(struct drm_device *dev,
747 struct sysctl_ctx_list *ctx, struct sysctl_oid *top);
748 void (*sysctl_cleanup)(struct drm_device *dev);
750 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */
753 * Called by \c drm_device_is_agp. Typically used to determine if a
754 * card is really attached to AGP or not.
756 * \param dev DRM device handle
759 * One of three values is returned depending on whether or not the
760 * card is absolutely \b not AGP (return of 0), absolutely \b is AGP
761 * (return of 1), or may or may not be AGP (return of 2).
763 int (*device_is_agp) (struct drm_device * dev);
765 drm_ioctl_desc_t *ioctls;
766 #ifdef COMPAT_FREEBSD32
767 drm_ioctl_desc_t *compat_ioctls;
768 int *compat_ioctls_nr;
777 const char *name; /* Simple driver name */
778 const char *desc; /* Longer driver name */
779 const char *date; /* Date of last major changes. */
785 * DRM minor structure. This structure represents a drm minor number.
788 int index; /**< Minor device number */
789 int type; /**< Control or render */
790 device_t kdev; /**< OS device */
791 struct drm_device *dev;
793 struct drm_master *master; /* currently active master for this node */
794 struct list_head master_list;
795 struct drm_mode_group mode_group;
798 /* mode specified on the command line */
799 struct drm_cmdline_mode {
801 bool refresh_specified;
810 enum drm_connector_force force;
813 struct drm_pending_vblank_event {
814 struct drm_pending_event base;
816 struct drm_event_vblank event;
819 /* Length for the array of resource pointers for drm_get_resource_*. */
820 #define DRM_MAX_PCI_RESOURCE 6
823 * DRM device functions structure
826 struct drm_driver_info *driver;
827 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */
829 u_int16_t pci_device; /* PCI device id */
830 u_int16_t pci_vendor; /* PCI vendor id */
832 char *unique; /* Unique identifier: e.g., busid */
833 int unique_len; /* Length of unique field */
834 device_t device; /* Device instance from newbus */
835 struct cdev *devnode; /* Device number for mknod */
836 int if_version; /* Highest interface version set */
838 int flags; /* Flags to open(2) */
841 struct mtx dma_lock; /* protects dev->dma */
842 struct mtx irq_lock; /* protects irq condition checks */
843 struct mtx dev_lock; /* protects everything else */
844 struct sx dev_struct_lock;
845 DRM_SPINTYPE drw_lock;
848 int open_count; /* Outstanding files open */
849 int buf_use; /* Buffers in use -- cannot alloc */
851 /* Performance counters */
852 unsigned long counters;
853 enum drm_stat_type types[15];
857 drm_file_list_t files;
858 drm_magic_head_t magiclist[DRM_HASH_SIZE];
860 /* Linked list of mappable regions. Protected by dev_lock */
861 drm_map_list_t maplist;
862 struct unrhdr *map_unrhdr;
864 drm_local_map_t **context_sareas;
867 drm_lock_data_t lock; /* Information on hardware lock */
869 /* DMA queues (contexts) */
870 drm_device_dma_t *dma; /* Optional pointer for DMA support */
872 /* Context support */
873 int irq; /* Interrupt used by board */
874 int irq_enabled; /* True if the irq handler is enabled */
875 int msi_enabled; /* MSI enabled */
876 int irqrid; /* Interrupt used by board */
877 struct resource *irqr; /* Resource for interrupt used by board */
878 void *irqh; /* Handle from bus_setup_intr */
880 /* Storage of resource pointers for drm_get_resource_* */
881 struct resource *pcir[DRM_MAX_PCI_RESOURCE];
882 int pcirid[DRM_MAX_PCI_RESOURCE];
889 atomic_t context_flag; /* Context swapping flag */
890 int last_context; /* Last current context */
894 struct sigio *buf_sigio; /* Processes waiting for SIGIO */
897 struct drm_sysctl_info *sysctl;
901 drm_sg_mem_t *sg; /* Scatter gather memory */
902 atomic_t *ctx_bitmap;
904 unsigned int agp_buffer_token;
905 drm_local_map_t *agp_buffer_map;
907 struct drm_minor *control; /**< Control node for card */
908 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 mtx vblank_time_lock; /**< Protects vblank count and time updates during vblank enable/disable */
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 mtx event_lock;
935 struct drm_mode_config mode_config; /**< Current mode config */
938 struct sx 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 void drm_close(void *data);
1008 int drm_detach(device_t kdev);
1009 d_ioctl_t drm_ioctl;
1014 extern drm_local_map_t *drm_getsarea(struct drm_device *dev);
1016 void drm_event_wakeup(struct drm_pending_event *e);
1018 int drm_add_busid_modesetting(struct drm_device *dev,
1019 struct sysctl_ctx_list *ctx, struct sysctl_oid *top);
1021 /* File operations helpers (drm_fops.c) */
1022 extern int drm_open_helper(struct cdev *kdev, int flags, int fmt,
1024 struct drm_device *dev);
1026 /* Memory management support (drm_memory.c) */
1027 void drm_mem_init(void);
1028 void drm_mem_uninit(void);
1029 void *drm_ioremap_wc(struct drm_device *dev, drm_local_map_t *map);
1030 void *drm_ioremap(struct drm_device *dev, drm_local_map_t *map);
1031 void drm_ioremapfree(drm_local_map_t *map);
1032 int drm_mtrr_add(unsigned long offset, size_t size, int flags);
1033 int drm_mtrr_del(int handle, unsigned long offset, size_t size, int flags);
1035 int drm_context_switch(struct drm_device *dev, int old, int new);
1036 int drm_context_switch_complete(struct drm_device *dev, int new);
1038 int drm_ctxbitmap_init(struct drm_device *dev);
1039 void drm_ctxbitmap_cleanup(struct drm_device *dev);
1040 void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle);
1041 int drm_ctxbitmap_next(struct drm_device *dev);
1043 /* Locking IOCTL support (drm_lock.c) */
1044 int drm_lock_take(struct drm_lock_data *lock_data,
1045 unsigned int context);
1046 int drm_lock_transfer(struct drm_lock_data *lock_data,
1047 unsigned int context);
1048 int drm_lock_free(struct drm_lock_data *lock_data,
1049 unsigned int context);
1051 /* Buffer management support (drm_bufs.c) */
1052 unsigned long drm_get_resource_start(struct drm_device *dev,
1053 unsigned int resource);
1054 unsigned long drm_get_resource_len(struct drm_device *dev,
1055 unsigned int resource);
1056 void drm_rmmap(struct drm_device *dev, drm_local_map_t *map);
1057 int drm_order(unsigned long size);
1058 int drm_addmap(struct drm_device *dev, unsigned long offset,
1060 enum drm_map_type type, enum drm_map_flags flags,
1061 drm_local_map_t **map_ptr);
1062 int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc *request);
1063 int drm_addbufs_sg(struct drm_device *dev, struct drm_buf_desc *request);
1064 int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc *request);
1066 /* DMA support (drm_dma.c) */
1067 int drm_dma_setup(struct drm_device *dev);
1068 void drm_dma_takedown(struct drm_device *dev);
1069 void drm_free_buffer(struct drm_device *dev, drm_buf_t *buf);
1070 void drm_reclaim_buffers(struct drm_device *dev, struct drm_file *file_priv);
1071 #define drm_core_reclaim_buffers drm_reclaim_buffers
1073 /* IRQ support (drm_irq.c) */
1074 int drm_irq_install(struct drm_device *dev);
1075 int drm_irq_uninstall(struct drm_device *dev);
1076 irqreturn_t drm_irq_handler(DRM_IRQ_ARGS);
1077 void drm_driver_irq_preinstall(struct drm_device *dev);
1078 void drm_driver_irq_postinstall(struct drm_device *dev);
1079 void drm_driver_irq_uninstall(struct drm_device *dev);
1081 void drm_vblank_pre_modeset(struct drm_device *dev, int crtc);
1082 void drm_vblank_post_modeset(struct drm_device *dev, int crtc);
1083 int drm_modeset_ctl(struct drm_device *dev, void *data,
1084 struct drm_file *file_priv);
1086 extern int drm_vblank_init(struct drm_device *dev, int num_crtcs);
1087 extern int drm_wait_vblank(struct drm_device *dev, void *data,
1088 struct drm_file *filp);
1089 extern int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq);
1090 extern u32 drm_vblank_count(struct drm_device *dev, int crtc);
1091 extern u32 drm_vblank_count_and_time(struct drm_device *dev, int crtc,
1092 struct timeval *vblanktime);
1093 extern bool drm_handle_vblank(struct drm_device *dev, int crtc);
1094 void drm_handle_vblank_events(struct drm_device *dev, int crtc);
1095 extern int drm_vblank_get(struct drm_device *dev, int crtc);
1096 extern void drm_vblank_put(struct drm_device *dev, int crtc);
1097 extern void drm_vblank_off(struct drm_device *dev, int crtc);
1098 extern void drm_vblank_cleanup(struct drm_device *dev);
1099 extern u32 drm_get_last_vbltimestamp(struct drm_device *dev, int crtc,
1100 struct timeval *tvblank, unsigned flags);
1101 extern int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev,
1102 int crtc, int *max_error,
1103 struct timeval *vblank_time,
1105 struct drm_crtc *refcrtc);
1106 extern void drm_calc_timestamping_constants(struct drm_crtc *crtc);
1108 struct timeval ns_to_timeval(const int64_t nsec);
1109 int64_t timeval_to_ns(const struct timeval *tv);
1111 /* AGP/PCI Express/GART support (drm_agpsupport.c) */
1112 int drm_device_is_agp(struct drm_device *dev);
1113 int drm_device_is_pcie(struct drm_device *dev);
1114 drm_agp_head_t *drm_agp_init(void);
1115 int drm_agp_acquire(struct drm_device *dev);
1116 int drm_agp_release(struct drm_device *dev);
1117 int drm_agp_info(struct drm_device * dev, struct drm_agp_info *info);
1118 int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode);
1119 void *drm_agp_allocate_memory(size_t pages, u32 type);
1120 int drm_agp_free_memory(void *handle);
1121 int drm_agp_bind_memory(void *handle, off_t start);
1122 int drm_agp_unbind_memory(void *handle);
1123 int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request);
1124 int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request);
1125 int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request);
1126 int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request);
1128 /* Scatter Gather Support (drm_scatter.c) */
1129 void drm_sg_cleanup(drm_sg_mem_t *entry);
1130 int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request);
1132 /* sysctl support (drm_sysctl.h) */
1133 extern int drm_sysctl_init(struct drm_device *dev);
1134 extern int drm_sysctl_cleanup(struct drm_device *dev);
1136 /* ATI PCIGART support (ati_pcigart.c) */
1137 int drm_ati_pcigart_init(struct drm_device *dev,
1138 struct drm_ati_pcigart_info *gart_info);
1139 int drm_ati_pcigart_cleanup(struct drm_device *dev,
1140 struct drm_ati_pcigart_info *gart_info);
1142 /* Cache management (drm_memory.c) */
1143 void drm_clflush_pages(vm_page_t *pages, unsigned long num_pages);
1145 /* Locking IOCTL support (drm_drv.c) */
1146 int drm_lock(struct drm_device *dev, void *data,
1147 struct drm_file *file_priv);
1148 int drm_unlock(struct drm_device *dev, void *data,
1149 struct drm_file *file_priv);
1150 int drm_version(struct drm_device *dev, void *data,
1151 struct drm_file *file_priv);
1152 int drm_setversion(struct drm_device *dev, void *data,
1153 struct drm_file *file_priv);
1155 /* Misc. IOCTL support (drm_ioctl.c) */
1156 int drm_irq_by_busid(struct drm_device *dev, void *data,
1157 struct drm_file *file_priv);
1158 int drm_getunique(struct drm_device *dev, void *data,
1159 struct drm_file *file_priv);
1160 int drm_setunique(struct drm_device *dev, void *data,
1161 struct drm_file *file_priv);
1162 int drm_getmap(struct drm_device *dev, void *data,
1163 struct drm_file *file_priv);
1164 int drm_getclient(struct drm_device *dev, void *data,
1165 struct drm_file *file_priv);
1166 int drm_getstats(struct drm_device *dev, void *data,
1167 struct drm_file *file_priv);
1168 int drm_getcap(struct drm_device *dev, void *data,
1169 struct drm_file *file_priv);
1170 int drm_noop(struct drm_device *dev, void *data,
1171 struct drm_file *file_priv);
1173 /* Context IOCTL support (drm_context.c) */
1174 int drm_resctx(struct drm_device *dev, void *data,
1175 struct drm_file *file_priv);
1176 int drm_addctx(struct drm_device *dev, void *data,
1177 struct drm_file *file_priv);
1178 int drm_modctx(struct drm_device *dev, void *data,
1179 struct drm_file *file_priv);
1180 int drm_getctx(struct drm_device *dev, void *data,
1181 struct drm_file *file_priv);
1182 int drm_switchctx(struct drm_device *dev, void *data,
1183 struct drm_file *file_priv);
1184 int drm_newctx(struct drm_device *dev, void *data,
1185 struct drm_file *file_priv);
1186 int drm_rmctx(struct drm_device *dev, void *data,
1187 struct drm_file *file_priv);
1188 int drm_setsareactx(struct drm_device *dev, void *data,
1189 struct drm_file *file_priv);
1190 int drm_getsareactx(struct drm_device *dev, void *data,
1191 struct drm_file *file_priv);
1193 /* Drawable IOCTL support (drm_drawable.c) */
1194 int drm_adddraw(struct drm_device *dev, void *data,
1195 struct drm_file *file_priv);
1196 int drm_rmdraw(struct drm_device *dev, void *data,
1197 struct drm_file *file_priv);
1198 int drm_update_draw(struct drm_device *dev, void *data,
1199 struct drm_file *file_priv);
1200 struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev,
1203 /* Drawable support (drm_drawable.c) */
1204 void drm_drawable_free_all(struct drm_device *dev);
1206 /* Authentication IOCTL support (drm_auth.c) */
1207 int drm_getmagic(struct drm_device *dev, void *data,
1208 struct drm_file *file_priv);
1209 int drm_authmagic(struct drm_device *dev, void *data,
1210 struct drm_file *file_priv);
1212 /* Buffer management support (drm_bufs.c) */
1213 int drm_addmap_ioctl(struct drm_device *dev, void *data,
1214 struct drm_file *file_priv);
1215 int drm_rmmap_ioctl(struct drm_device *dev, void *data,
1216 struct drm_file *file_priv);
1217 int drm_addbufs(struct drm_device *dev, void *data,
1218 struct drm_file *file_priv);
1219 int drm_infobufs(struct drm_device *dev, void *data,
1220 struct drm_file *file_priv);
1221 int drm_markbufs(struct drm_device *dev, void *data,
1222 struct drm_file *file_priv);
1223 int drm_freebufs(struct drm_device *dev, void *data,
1224 struct drm_file *file_priv);
1225 int drm_mapbufs(struct drm_device *dev, void *data,
1226 struct drm_file *file_priv);
1228 /* DMA support (drm_dma.c) */
1229 int drm_dma(struct drm_device *dev, void *data, struct drm_file *file_priv);
1231 /* IRQ support (drm_irq.c) */
1232 int drm_control(struct drm_device *dev, void *data,
1233 struct drm_file *file_priv);
1235 /* AGP/GART support (drm_agpsupport.c) */
1236 int drm_agp_acquire_ioctl(struct drm_device *dev, void *data,
1237 struct drm_file *file_priv);
1238 int drm_agp_release_ioctl(struct drm_device *dev, void *data,
1239 struct drm_file *file_priv);
1240 int drm_agp_enable_ioctl(struct drm_device *dev, void *data,
1241 struct drm_file *file_priv);
1242 int drm_agp_info_ioctl(struct drm_device *dev, void *data,
1243 struct drm_file *file_priv);
1244 int drm_agp_alloc_ioctl(struct drm_device *dev, void *data,
1245 struct drm_file *file_priv);
1246 int drm_agp_free_ioctl(struct drm_device *dev, void *data,
1247 struct drm_file *file_priv);
1248 int drm_agp_unbind_ioctl(struct drm_device *dev, void *data,
1249 struct drm_file *file_priv);
1250 int drm_agp_bind_ioctl(struct drm_device *dev, void *data,
1251 struct drm_file *file_priv);
1253 /* Stub support (drm_stub.h) */
1254 extern int drm_setmaster_ioctl(struct drm_device *dev, void *data,
1255 struct drm_file *file_priv);
1256 extern int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
1257 struct drm_file *file_priv);
1259 /* Scatter Gather Support (drm_scatter.c) */
1260 int drm_sg_alloc_ioctl(struct drm_device *dev, void *data,
1261 struct drm_file *file_priv);
1262 int drm_sg_free(struct drm_device *dev, void *data,
1263 struct drm_file *file_priv);
1265 /* consistent PCI memory functions (drm_pci.c) */
1266 drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size,
1267 size_t align, dma_addr_t maxaddr);
1268 void drm_pci_free(struct drm_device *dev, drm_dma_handle_t *dmah);
1270 /* Graphics Execution Manager library functions (drm_gem.c) */
1271 int drm_gem_init(struct drm_device *dev);
1272 void drm_gem_destroy(struct drm_device *dev);
1274 int drm_gem_close_ioctl(struct drm_device *dev, void *data,
1275 struct drm_file *file_priv);
1276 int drm_gem_flink_ioctl(struct drm_device *dev, void *data,
1277 struct drm_file *file_priv);
1278 int drm_gem_open_ioctl(struct drm_device *dev, void *data,
1279 struct drm_file *file_priv);
1280 int drm_gem_handle_create(struct drm_file *file_priv,
1281 struct drm_gem_object *obj,
1283 int drm_gem_handle_delete(struct drm_file *file_priv, uint32_t handle);
1284 void drm_gem_object_handle_reference(struct drm_gem_object *obj);
1285 void drm_gem_object_handle_unreference(struct drm_gem_object *obj);
1286 void drm_gem_object_handle_unreference_unlocked(struct drm_gem_object *obj);
1287 void drm_gem_object_handle_free(struct drm_gem_object *obj);
1288 void drm_gem_object_reference(struct drm_gem_object *obj);
1289 void drm_gem_object_unreference(struct drm_gem_object *obj);
1290 void drm_gem_object_unreference_unlocked(struct drm_gem_object *obj);
1291 void drm_gem_object_release(struct drm_gem_object *obj);
1292 void drm_gem_object_free(struct drm_gem_object *obj);
1293 int drm_gem_object_init(struct drm_device *dev, struct drm_gem_object *obj,
1295 int drm_gem_private_object_init(struct drm_device *dev,
1296 struct drm_gem_object *obj, size_t size);
1297 struct drm_gem_object *drm_gem_object_alloc(struct drm_device *dev,
1299 struct drm_gem_object *drm_gem_object_lookup(struct drm_device *dev,
1300 struct drm_file *file_priv, uint32_t handle);
1302 void drm_gem_open(struct drm_device *dev, struct drm_file *file_priv);
1303 void drm_gem_release(struct drm_device *dev, struct drm_file *file_priv);
1305 int drm_gem_create_mmap_offset(struct drm_gem_object *obj);
1306 void drm_gem_free_mmap_offset(struct drm_gem_object *obj);
1307 int drm_gem_mmap_single(struct drm_device *dev, vm_ooffset_t *offset,
1308 vm_size_t size, struct vm_object **obj_res, int nprot);
1309 void drm_gem_pager_dtr(void *obj);
1311 struct ttm_bo_device;
1312 int ttm_bo_mmap_single(struct ttm_bo_device *bdev, vm_ooffset_t *offset,
1313 vm_size_t size, struct vm_object **obj_res, int nprot);
1315 void drm_device_lock_mtx(struct drm_device *dev);
1316 void drm_device_unlock_mtx(struct drm_device *dev);
1317 int drm_device_sleep_mtx(struct drm_device *dev, void *chan, int flags,
1318 const char *msg, int timeout);
1319 void drm_device_assert_mtx_locked(struct drm_device *dev);
1320 void drm_device_assert_mtx_unlocked(struct drm_device *dev);
1322 void drm_device_lock_struct(struct drm_device *dev);
1323 void drm_device_unlock_struct(struct drm_device *dev);
1324 int drm_device_sleep_struct(struct drm_device *dev, void *chan, int flags,
1325 const char *msg, int timeout);
1326 void drm_device_assert_struct_locked(struct drm_device *dev);
1327 void drm_device_assert_struct_unlocked(struct drm_device *dev);
1329 void drm_compat_locking_init(struct drm_device *dev);
1330 void drm_sleep_locking_init(struct drm_device *dev);
1333 bool drm_mode_parse_command_line_for_connector(const char *mode_option,
1334 struct drm_connector *connector, struct drm_cmdline_mode *mode);
1335 struct drm_display_mode *drm_mode_create_from_cmdline_mode(
1336 struct drm_device *dev, struct drm_cmdline_mode *cmd);
1339 u8 *drm_find_cea_extension(struct edid *edid);
1341 /* Inline replacements for drm_alloc and friends */
1342 static __inline__ void *
1343 drm_alloc(size_t size, struct malloc_type *area)
1345 return malloc(size, area, M_NOWAIT);
1348 static __inline__ void *
1349 drm_calloc(size_t nmemb, size_t size, struct malloc_type *area)
1351 return malloc(size * nmemb, area, M_NOWAIT | M_ZERO);
1354 static __inline__ void *
1355 drm_realloc(void *oldpt, size_t oldsize, size_t size,
1356 struct malloc_type *area)
1358 return reallocf(oldpt, size, area, M_NOWAIT);
1361 static __inline__ void
1362 drm_free(void *pt, size_t size, struct malloc_type *area)
1367 /* Inline replacements for DRM_IOREMAP macros */
1368 static __inline__ void
1369 drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev)
1371 map->virtual = drm_ioremap_wc(dev, map);
1373 static __inline__ void
1374 drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev)
1376 map->virtual = drm_ioremap(dev, map);
1378 static __inline__ void
1379 drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev)
1381 if ( map->virtual && map->size )
1382 drm_ioremapfree(map);
1385 static __inline__ struct drm_local_map *
1386 drm_core_findmap(struct drm_device *dev, unsigned long offset)
1388 drm_local_map_t *map;
1390 DRM_LOCK_ASSERT(dev);
1391 TAILQ_FOREACH(map, &dev->maplist, link) {
1392 if (offset == (unsigned long)map->handle)
1398 static __inline__ void drm_core_dropmap(struct drm_map *map)
1402 #define KIB_NOTYET() \
1404 if (drm_debug_flag && drm_notyet_flag) \
1405 printf("NOTYET: %s at %s:%d\n", __func__, __FILE__, __LINE__); \
1408 #define KTR_DRM KTR_DEV
1409 #define KTR_DRM_REG KTR_SPARE3
1411 #endif /* __KERNEL__ */
1412 #endif /* _DRM_P_H_ */