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: head/sys/dev/drm2/drmP.h 248084 2013-03-09 02:32:23Z attilio $
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>
86 #if _BYTE_ORDER == _BIG_ENDIAN
87 #define __BIG_ENDIAN 1
89 #define __LITTLE_ENDIAN 1
93 #include <sys/memrange.h>
94 #include <dev/agp/agpvar.h>
95 #include <sys/agpio.h>
96 #include <sys/mutex.h>
97 #include <bus/pci/pcivar.h>
98 #include <bus/pci/pcireg.h>
99 /* XXX: bool definition */
100 #include <libprop/proplib.h>
102 #include <dev/drm/drm.h>
103 #include <dev/drm/drm_atomic.h>
104 #include <dev/drm/drm_internal.h>
105 #include <dev/drm/drm_linux_list.h>
106 #include <dev/drm/drm_gem_names.h>
107 #include <dev/drm/drm_mm.h>
108 #include <dev/drm/drm_hashtab.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_MAPS);
159 MALLOC_DECLARE(DRM_MEM_BUFS);
160 MALLOC_DECLARE(DRM_MEM_SEGS);
161 MALLOC_DECLARE(DRM_MEM_PAGES);
162 MALLOC_DECLARE(DRM_MEM_FILES);
163 MALLOC_DECLARE(DRM_MEM_BUFLISTS);
164 MALLOC_DECLARE(DRM_MEM_AGPLISTS);
165 MALLOC_DECLARE(DRM_MEM_CTXBITMAP);
166 MALLOC_DECLARE(DRM_MEM_SGLISTS);
167 MALLOC_DECLARE(DRM_MEM_DRAWABLE);
168 MALLOC_DECLARE(DRM_MEM_MM);
169 MALLOC_DECLARE(DRM_MEM_HASHTAB);
170 MALLOC_DECLARE(DRM_MEM_KMS);
172 SYSCTL_DECL(_hw_drm);
174 #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8)
176 /* Internal types and structures */
177 #define DRM_ARRAY_SIZE(x) NELEM(x)
178 #define DRM_MIN(a,b) ((a)<(b)?(a):(b))
179 #define DRM_MAX(a,b) ((a)>(b)?(a):(b))
181 #define DRM_IF_VERSION(maj, min) (maj << 16 | min)
183 #define __OS_HAS_AGP 1
185 #define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP)
186 #define DRM_DEV_UID 0
187 #define DRM_DEV_GID 0
189 #define wait_queue_head_t atomic_t
190 #define DRM_WAKEUP(w) wakeup((void *)w)
191 #define DRM_WAKEUP_INT(w) wakeup(w)
192 #define DRM_INIT_WAITQUEUE(queue) do {(void)(queue);} while (0)
194 #define DRM_CURPROC curthread
195 #define DRM_STRUCTPROC struct thread
196 #define DRM_CURRENTPID curthread->td_proc->p_pid
197 #define DRM_LOCK(dev) lockmgr(&(dev)->dev_struct_lock, LK_EXCLUSIVE);
198 #define DRM_UNLOCK(dev) lockmgr(&(dev)->dev_struct_lock, LK_RELEASE);
199 #define DRM_LOCK_SLEEP(dev, chan, flags, msg, timeout) \
200 (lksleep((chan), &(dev)->dev_struct_lock, (flags), (msg), (timeout)))
201 #if defined(INVARIANTS)
202 #define DRM_LOCK_ASSERT(dev) KKASSERT(lockstatus(&(dev)->dev_struct_lock, curthread) != 0);
203 #define DRM_UNLOCK_ASSERT(dev) KKASSERT(lockstatus(&(dev)->dev_struct_lock, curthread) == 0);
205 #define DRM_LOCK_ASSERT(d)
206 #define DRM_UNLOCK_ASSERT(d)
209 #define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS)
211 #define DRM_IRQ_ARGS void *arg
212 typedef void irqreturn_t;
213 #define IRQ_HANDLED /* nothing */
214 #define IRQ_NONE /* nothing */
216 #define unlikely(x) __builtin_expect(!!(x), 0)
217 #define likely(x) __builtin_expect(!!(x), 1)
218 #define container_of(ptr, type, member) ({ \
219 __typeof( ((type *)0)->member ) *__mptr = (ptr); \
220 (type *)( (char *)__mptr - offsetof(type,member) );})
227 #define DRM_AGP_MEM struct agp_memory_info
229 #define drm_get_device_from_kdev(_kdev) (_kdev->si_drv1)
231 #define PAGE_ALIGN(addr) round_page(addr)
232 /* DRM_SUSER returns true if the user is superuser */
233 #define DRM_SUSER(p) (priv_check(p, PRIV_DRIVER) == 0)
234 #define DRM_AGP_FIND_DEVICE() agp_find_device()
235 #define DRM_MTRR_WC MDF_WRITECOMBINE
236 #define jiffies ticks
237 #define jiffies_to_msecs(x) (((int64_t)(x)) * 1000 / hz)
238 #define msecs_to_jiffies(x) (((int64_t)(x)) * hz / 1000)
239 #define time_after(a,b) ((long)(b) - (long)(a) < 0)
240 #define time_after_eq(a,b) ((long)(b) - (long)(a) <= 0)
241 #define drm_msleep(x, msg) pause((msg), ((int64_t)(x)) * hz / 1000)
243 typedef vm_paddr_t dma_addr_t;
244 typedef uint64_t u64;
245 typedef uint32_t u32;
246 typedef uint16_t u16;
253 /* DRM_READMEMORYBARRIER() prevents reordering of reads.
254 * DRM_WRITEMEMORYBARRIER() prevents reordering of writes.
255 * DRM_MEMORYBARRIER() prevents reordering of reads and writes.
257 #define DRM_READMEMORYBARRIER() cpu_lfence()
258 #define DRM_WRITEMEMORYBARRIER() cpu_sfence()
259 #define DRM_MEMORYBARRIER() cpu_mfence()
261 #define DRM_READ8(map, offset) \
262 *(volatile u_int8_t *)(((vm_offset_t)(map)->virtual) + \
263 (vm_offset_t)(offset))
264 #define DRM_READ16(map, offset) \
265 le16toh(*(volatile u_int16_t *)(((vm_offset_t)(map)->virtual) + \
266 (vm_offset_t)(offset)))
267 #define DRM_READ32(map, offset) \
268 le32toh(*(volatile u_int32_t *)(((vm_offset_t)(map)->virtual) + \
269 (vm_offset_t)(offset)))
270 #define DRM_READ64(map, offset) \
271 le64toh(*(volatile u_int64_t *)(((vm_offset_t)(map)->virtual) + \
272 (vm_offset_t)(offset)))
273 #define DRM_WRITE8(map, offset, val) \
274 *(volatile u_int8_t *)(((vm_offset_t)(map)->virtual) + \
275 (vm_offset_t)(offset)) = val
276 #define DRM_WRITE16(map, offset, val) \
277 *(volatile u_int16_t *)(((vm_offset_t)(map)->virtual) + \
278 (vm_offset_t)(offset)) = htole16(val)
279 #define DRM_WRITE32(map, offset, val) \
280 *(volatile u_int32_t *)(((vm_offset_t)(map)->virtual) + \
281 (vm_offset_t)(offset)) = htole32(val)
282 #define DRM_WRITE64(map, offset, val) \
283 *(volatile u_int64_t *)(((vm_offset_t)(map)->virtual) + \
284 (vm_offset_t)(offset)) = htole64(val)
286 #define DRM_VERIFYAREA_READ( uaddr, size ) \
287 (!useracc(__DECONST(caddr_t, uaddr), size, VM_PROT_READ))
289 #define DRM_COPY_TO_USER(user, kern, size) \
290 copyout(kern, user, size)
291 #define DRM_COPY_FROM_USER(kern, user, size) \
292 copyin(user, kern, size)
293 #define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \
294 copyin(arg2, arg1, arg3)
295 #define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \
296 copyout(arg2, arg1, arg3)
297 #define DRM_GET_USER_UNCHECKED(val, uaddr) \
298 ((val) = fuword32(uaddr), 0)
300 #define cpu_to_le32(x) htole32(x)
301 #define le32_to_cpu(x) le32toh(x)
304 #define DRM_UDELAY(udelay) DELAY(udelay)
305 #define DRM_MDELAY(msecs) do { int loops = (msecs); \
306 while (loops--) DELAY(1000); \
308 #define DRM_TIME_SLICE (hz/20) /* Time slice for GLXContexts */
310 #define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \
311 (_map) = (_dev)->context_sareas[_ctx]; \
314 #define LOCK_TEST_WITH_RETURN(dev, file_priv) \
316 if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \
317 dev->lock.file_priv != file_priv) { \
318 DRM_ERROR("%s called without lock held\n", \
324 /* Returns -errno to shared code */
325 #define DRM_WAIT_ON( ret, queue, timeout, condition ) \
326 for ( ret = 0 ; !ret && !(condition) ; ) { \
328 lwkt_serialize_enter(&dev->irq_lock); \
329 if (!(condition)) { \
330 tsleep_interlock(&(queue), PCATCH); \
331 lwkt_serialize_exit(&dev->irq_lock); \
332 ret = -tsleep(&(queue), PCATCH | PINTERLOCKED, \
333 "drmwtq", (timeout)); \
335 lwkt_serialize_exit(&dev->irq_lock); \
341 vm_page_unhold_pages(vm_page_t *ma, int count)
345 for (i = 0; i < count; i++)
346 vm_page_unhold(ma[i]);
350 vm_phys_fictitious_to_vm_page(vm_paddr_t pa);
353 vm_phys_fictitious_reg_range(vm_paddr_t start, vm_paddr_t end, int pat_mode);
356 #define DRM_ERROR(fmt, ...) \
357 kprintf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt, \
358 DRM_CURRENTPID, __func__ , ##__VA_ARGS__)
360 #define DRM_INFO(fmt, ...) kprintf("info: [" DRM_NAME "] " fmt , ##__VA_ARGS__)
362 #define DRM_DEBUG(fmt, ...) do { \
363 if ((drm_debug_flag & DRM_DEBUGBITS_DEBUG) != 0) \
364 kprintf("[" DRM_NAME ":pid%d:%s] " fmt, DRM_CURRENTPID, \
365 __func__ , ##__VA_ARGS__); \
368 #define DRM_DEBUG_KMS(fmt, ...) do { \
369 if ((drm_debug_flag & DRM_DEBUGBITS_KMS) != 0) \
370 kprintf("[" DRM_NAME ":KMS:pid%d:%s] " fmt, DRM_CURRENTPID,\
371 __func__ , ##__VA_ARGS__); \
374 #define DRM_DEBUG_DRIVER(fmt, ...) do { \
375 if ((drm_debug_flag & DRM_DEBUGBITS_KMS) != 0) \
376 kprintf("[" DRM_NAME ":KMS:pid%d:%s] " fmt, DRM_CURRENTPID,\
377 __func__ , ##__VA_ARGS__); \
380 typedef struct drm_pci_id_list
388 struct drm_msi_blacklist_entry
395 #define DRM_MASTER 0x2
396 #define DRM_ROOT_ONLY 0x4
397 #define DRM_CONTROL_ALLOW 0x8
398 #define DRM_UNLOCKED 0x10
400 typedef struct drm_ioctl_desc {
402 int (*func)(struct drm_device *dev, void *data,
403 struct drm_file *file_priv);
407 * Creates a driver or general drm_ioctl_desc array entry for the given
408 * ioctl, for use by drm_ioctl().
410 #define DRM_IOCTL_DEF(ioctl, func, flags) \
411 [DRM_IOCTL_NR(ioctl)] = {ioctl, func, flags}
413 typedef struct drm_magic_entry {
415 struct drm_file *priv;
416 struct drm_magic_entry *next;
419 typedef struct drm_magic_head {
420 struct drm_magic_entry *head;
421 struct drm_magic_entry *tail;
424 typedef struct drm_buf {
425 int idx; /* Index into master buflist */
426 int total; /* Buffer size */
427 int order; /* log-base-2(total) */
428 int used; /* Amount of buffer in use (for DMA) */
429 unsigned long offset; /* Byte offset (used internally) */
430 void *address; /* Address of buffer */
431 unsigned long bus_address; /* Bus address of buffer */
432 struct drm_buf *next; /* Kernel-only: used for free list */
433 __volatile__ int pending; /* On hardware DMA queue */
434 struct drm_file *file_priv; /* Unique identifier of holding process */
435 int context; /* Kernel queue for this buffer */
443 } list; /* Which list we're on */
445 int dev_priv_size; /* Size of buffer private stoarge */
446 void *dev_private; /* Per-buffer private storage */
449 typedef struct drm_freelist {
450 int initialized; /* Freelist in use */
451 atomic_t count; /* Number of free buffers */
452 drm_buf_t *next; /* End pointer */
454 int low_mark; /* Low water mark */
455 int high_mark; /* High water mark */
458 typedef struct drm_dma_handle {
465 typedef struct drm_buf_entry {
470 drm_dma_handle_t **seglist;
473 drm_freelist_t freelist;
476 /* Event queued up for userspace to read */
477 struct drm_pending_event {
478 struct drm_event *event;
479 struct list_head link;
480 struct drm_file *file_priv;
481 pid_t pid; /* pid of requester, no guarantee it's valid by the time
482 we deliver the event, for tracing only */
483 void (*destroy)(struct drm_pending_event *event);
486 typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t;
488 TAILQ_ENTRY(drm_file) link;
489 struct drm_device *dev;
495 unsigned long ioctl_count;
498 struct drm_gem_names object_names;
501 struct drm_master *masterp;
503 struct list_head fbs;
505 struct list_head event_list;
509 typedef struct drm_lock_data {
510 struct drm_hw_lock *hw_lock; /* Hardware lock */
511 struct drm_file *file_priv; /* Unique identifier of holding process (NULL is kernel)*/
512 int lock_queue; /* Queue of blocked processes */
513 unsigned long lock_time; /* Time of last lock in jiffies */
516 /* This structure, in the struct drm_device, is always initialized while the
518 * is open. dev->dma_lock protects the incrementing of dev->buf_use, which
519 * when set marks that no further bufs may be allocated until device teardown
520 * occurs (when the last open of the device has closed). The high/low
521 * watermarks of bufs are only touched by the X Server, and thus not
522 * concurrently accessed, so no locking is needed.
524 typedef struct drm_device_dma {
525 drm_buf_entry_t bufs[DRM_MAX_ORDER+1];
527 drm_buf_t **buflist; /* Vector of pointers info bufs */
530 unsigned long *pagelist;
531 unsigned long byte_count;
533 _DRM_DMA_USE_AGP = 0x01,
534 _DRM_DMA_USE_SG = 0x02
538 typedef struct drm_agp_mem {
540 unsigned long bound; /* address */
542 struct drm_agp_mem *prev;
543 struct drm_agp_mem *next;
546 typedef struct drm_agp_head {
548 struct agp_info info;
550 drm_agp_mem_t *memory;
556 int cant_use_aperture;
557 unsigned long page_mask;
560 typedef struct drm_sg_mem {
566 #define DRM_MAP_HANDLE_BITS (sizeof(void *) == 4 ? 4 : 24)
567 #define DRM_MAP_HANDLE_SHIFT (sizeof(void *) * 8 - DRM_MAP_HANDLE_BITS)
568 typedef TAILQ_HEAD(drm_map_list, drm_local_map) drm_map_list_t;
570 typedef struct drm_local_map {
571 unsigned long offset; /* Physical address (0 for SAREA) */
572 unsigned long size; /* Physical size (bytes) */
573 enum drm_map_type type; /* Type of memory mapped */
574 enum drm_map_flags flags; /* Flags */
575 void *handle; /* User-space: "Handle" to pass to mmap */
576 /* Kernel-space: kernel-virtual address */
577 int mtrr; /* Boolean: MTRR used */
579 int rid; /* PCI resource ID for bus_space */
580 void *virtual; /* Kernel-space: kernel-virtual address */
581 struct resource *bsr;
583 bus_space_handle_t bsh;
584 drm_dma_handle_t *dmah;
585 TAILQ_ENTRY(drm_local_map) link;
588 struct drm_vblank_info {
589 wait_queue_head_t queue; /* vblank wait queue */
590 atomic_t count; /* number of VBLANK interrupts */
591 /* (driver must alloc the right number of counters) */
592 atomic_t refcount; /* number of users of vblank interrupts */
593 u32 last; /* protected by dev->vbl_lock, used */
594 /* for wraparound handling */
595 int enabled; /* so we don't call enable more than */
596 /* once per disable */
597 int inmodeset; /* Display driver is setting mode */
600 /* Size of ringbuffer for vblank timestamps. Just double-buffer
601 * in initial implementation.
603 #define DRM_VBLANKTIME_RBSIZE 2
605 /* Flags and return codes for get_vblank_timestamp() driver function. */
606 #define DRM_CALLED_FROM_VBLIRQ 1
607 #define DRM_VBLANKTIME_SCANOUTPOS_METHOD (1 << 0)
608 #define DRM_VBLANKTIME_INVBL (1 << 1)
610 /* get_scanout_position() return flags */
611 #define DRM_SCANOUTPOS_VALID (1 << 0)
612 #define DRM_SCANOUTPOS_INVBL (1 << 1)
613 #define DRM_SCANOUTPOS_ACCURATE (1 << 2)
615 /* location of GART table */
616 #define DRM_ATI_GART_MAIN 1
617 #define DRM_ATI_GART_FB 2
619 #define DRM_ATI_GART_PCI 1
620 #define DRM_ATI_GART_PCIE 2
621 #define DRM_ATI_GART_IGP 3
623 struct drm_ati_pcigart_info {
624 int gart_table_location;
628 dma_addr_t table_mask;
629 dma_addr_t member_mask;
630 struct drm_dma_handle *table_handle;
631 drm_local_map_t mapping;
633 struct drm_dma_handle *dmah; /* handle for ATI PCIGART table */
636 typedef vm_paddr_t resource_size_t;
639 * GEM specific mm private for tracking GEM objects
642 struct drm_open_hash offset_hash; /**< User token hash table for maps */
643 struct unrhdr *idxunr;
646 struct drm_gem_object {
647 /** Reference count of this object */
650 /** Handle count of this object. Each handle also holds a reference */
651 u_int handle_count; /* number of handles on this object */
653 /** Related drm device */
654 struct drm_device *dev;
656 /** File representing the shmem storage: filp in Linux parlance */
660 struct drm_hash_item map_list;
663 * Size of the object, in bytes. Immutable over the object's
669 * Global name for this object, starts at 1. 0 means unnamed.
670 * Access is covered by the object_name_lock in the related drm_device
675 * Memory domains. These monitor which caches contain read/write data
676 * related to the object. When transitioning from one set of domains
677 * to another, the driver is called to ensure that caches are suitably
678 * flushed and invalidated
680 uint32_t read_domains;
681 uint32_t write_domain;
684 * While validating an exec operation, the
685 * new read/write domain values are computed here.
686 * They will be transferred to the above values
687 * at the point that any cache flushing occurs
689 uint32_t pending_read_domains;
690 uint32_t pending_write_domain;
692 void *driver_private;
695 #include "drm_crtc.h"
698 #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : (1ULL<<(n)) - 1)
701 #define upper_32_bits(n) ((u32)(((n) >> 16) >> 16))
703 struct drm_driver_info {
704 int (*load)(struct drm_device *, unsigned long flags);
705 int (*use_msi)(struct drm_device *, unsigned long flags);
706 int (*firstopen)(struct drm_device *);
707 int (*open)(struct drm_device *, struct drm_file *);
708 void (*preclose)(struct drm_device *, struct drm_file *file_priv);
709 void (*postclose)(struct drm_device *, struct drm_file *);
710 void (*lastclose)(struct drm_device *);
711 int (*unload)(struct drm_device *);
712 void (*reclaim_buffers_locked)(struct drm_device *,
713 struct drm_file *file_priv);
714 int (*dma_ioctl)(struct drm_device *dev, void *data,
715 struct drm_file *file_priv);
716 void (*dma_ready)(struct drm_device *);
717 int (*dma_quiescent)(struct drm_device *);
718 int (*dma_flush_block_and_flush)(struct drm_device *, int context,
719 enum drm_lock_flags flags);
720 int (*dma_flush_unblock)(struct drm_device *, int context,
721 enum drm_lock_flags flags);
722 int (*context_ctor)(struct drm_device *dev, int context);
723 int (*context_dtor)(struct drm_device *dev, int context);
724 int (*kernel_context_switch)(struct drm_device *dev, int old,
726 int (*kernel_context_switch_unlock)(struct drm_device *dev);
727 void (*irq_preinstall)(struct drm_device *dev);
728 int (*irq_postinstall)(struct drm_device *dev);
729 void (*irq_uninstall)(struct drm_device *dev);
730 void (*irq_handler)(DRM_IRQ_ARGS);
732 u32 (*get_vblank_counter)(struct drm_device *dev, int crtc);
733 int (*enable_vblank)(struct drm_device *dev, int crtc);
734 void (*disable_vblank)(struct drm_device *dev, int crtc);
735 int (*get_scanout_position)(struct drm_device *dev, int crtc,
736 int *vpos, int *hpos);
738 int (*get_vblank_timestamp)(struct drm_device *dev, int crtc,
739 int *max_error, struct timeval *vblank_time,
742 int (*gem_init_object)(struct drm_gem_object *obj);
743 void (*gem_free_object)(struct drm_gem_object *obj);
744 int (*gem_open_object)(struct drm_gem_object *, struct drm_file *);
745 void (*gem_close_object)(struct drm_gem_object *, struct drm_file *);
747 struct cdev_pager_ops *gem_pager_ops;
749 int (*dumb_create)(struct drm_file *file_priv,
750 struct drm_device *dev, struct drm_mode_create_dumb *args);
751 int (*dumb_map_offset)(struct drm_file *file_priv,
752 struct drm_device *dev, uint32_t handle, uint64_t *offset);
753 int (*dumb_destroy)(struct drm_file *file_priv,
754 struct drm_device *dev, uint32_t handle);
756 int (*sysctl_init)(struct drm_device *dev,
757 struct sysctl_ctx_list *ctx, struct sysctl_oid *top);
758 void (*sysctl_cleanup)(struct drm_device *dev);
760 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */
763 * Called by \c drm_device_is_agp. Typically used to determine if a
764 * card is really attached to AGP or not.
766 * \param dev DRM device handle
769 * One of three values is returned depending on whether or not the
770 * card is absolutely \b not AGP (return of 0), absolutely \b is AGP
771 * (return of 1), or may or may not be AGP (return of 2).
773 int (*device_is_agp) (struct drm_device * dev);
775 drm_ioctl_desc_t *ioctls;
783 const char *name; /* Simple driver name */
784 const char *desc; /* Longer driver name */
785 const char *date; /* Date of last major changes. */
791 * DRM minor structure. This structure represents a drm minor number.
794 int index; /**< Minor device number */
795 int type; /**< Control or render */
796 device_t kdev; /**< OS device */
797 struct drm_device *dev;
799 struct drm_master *master; /* currently active master for this node */
800 struct list_head master_list;
801 struct drm_mode_group mode_group;
804 /* mode specified on the command line */
805 struct drm_cmdline_mode {
807 bool refresh_specified;
816 enum drm_connector_force force;
819 struct drm_pending_vblank_event {
820 struct drm_pending_event base;
822 struct drm_event_vblank event;
825 /* Length for the array of resource pointers for drm_get_resource_*. */
826 #define DRM_MAX_PCI_RESOURCE 6
829 * DRM device functions structure
832 struct drm_driver_info *driver;
833 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */
835 uint16_t pci_device; /* PCI device id */
836 uint16_t pci_vendor; /* PCI vendor id */
837 uint16_t pci_subdevice; /* PCI subsystem device id */
838 uint16_t pci_subvendor; /* PCI subsystem vendor id */
840 char *unique; /* Unique identifier: e.g., busid */
841 int unique_len; /* Length of unique field */
842 device_t device; /* Device instance from newbus */
843 struct cdev *devnode; /* Device number for mknod */
844 int if_version; /* Highest interface version set */
846 int flags; /* Flags to open(2) */
849 struct spinlock dma_lock; /* protects dev->dma */
850 struct lwkt_serialize irq_lock; /* protects irq condition checks */
851 struct lock dev_lock; /* protects everything else */
852 struct lock dev_struct_lock;
853 struct spinlock drw_lock;
856 int open_count; /* Outstanding files open */
857 int buf_use; /* Buffers in use -- cannot alloc */
859 /* Performance counters */
860 unsigned long counters;
861 enum drm_stat_type types[15];
865 drm_file_list_t files;
866 drm_magic_head_t magiclist[DRM_HASH_SIZE];
868 /* Linked list of mappable regions. Protected by dev_lock */
869 drm_map_list_t maplist;
870 struct unrhdr *map_unrhdr;
872 drm_local_map_t **context_sareas;
875 drm_lock_data_t lock; /* Information on hardware lock */
877 /* DMA queues (contexts) */
878 drm_device_dma_t *dma; /* Optional pointer for DMA support */
880 /* Context support */
881 int irq; /* Interrupt used by board */
882 int irq_enabled; /* True if the irq handler is enabled */
883 int msi_enabled; /* MSI enabled */
884 int irqrid; /* Interrupt used by board */
885 struct resource *irqr; /* Resource for interrupt used by board */
886 void *irqh; /* Handle from bus_setup_intr */
888 /* Storage of resource pointers for drm_get_resource_* */
889 struct resource *pcir[DRM_MAX_PCI_RESOURCE];
890 int pcirid[DRM_MAX_PCI_RESOURCE];
897 atomic_t context_flag; /* Context swapping flag */
898 int last_context; /* Last current context */
902 struct sigio *buf_sigio; /* Processes waiting for SIGIO */
905 struct drm_sysctl_info *sysctl;
909 drm_sg_mem_t *sg; /* Scatter gather memory */
910 unsigned long *ctx_bitmap;
912 unsigned int agp_buffer_token;
913 drm_local_map_t *agp_buffer_map;
915 struct drm_minor *control; /**< Control node for card */
916 struct drm_minor *primary; /**< render type primary screen head */
919 struct unrhdr *drw_unrhdr;
920 /* RB tree of drawable infos */
921 RB_HEAD(drawable_tree, bsd_drm_drawable_info) drw_head;
923 int vblank_disable_allowed;
925 atomic_t *_vblank_count; /**< number of VBLANK interrupts (driver must alloc the right number of counters) */
926 struct timeval *_vblank_time; /**< timestamp of current vblank_count (drivers must alloc right number of fields) */
927 struct lock vblank_time_lock; /**< Protects vblank count and time updates during vblank enable/disable */
928 struct lock vbl_lock;
929 atomic_t *vblank_refcount; /* number of users of vblank interruptsper crtc */
930 u32 *last_vblank; /* protected by dev->vbl_lock, used */
931 /* for wraparound handling */
932 int *vblank_enabled; /* so we don't call enable more than
934 int *vblank_inmodeset; /* Display driver is setting mode */
935 u32 *last_vblank_wait; /* Last vblank seqno waited per CRTC */
936 struct callout vblank_disable_callout;
938 u32 max_vblank_count; /**< size of vblank counter register */
940 struct list_head vblank_event_list;
941 struct lock event_lock;
943 struct drm_mode_config mode_config; /**< Current mode config */
946 struct lock object_name_lock;
947 struct drm_gem_names object_names;
950 void *sysctl_private;
955 static __inline__ int drm_core_check_feature(struct drm_device *dev,
958 return ((dev->driver->driver_features & feature) ? 1 : 0);
962 static inline int drm_core_has_AGP(struct drm_device *dev)
964 return drm_core_check_feature(dev, DRIVER_USE_AGP);
967 #define drm_core_has_AGP(dev) (0)
989 DMI_CHASSIS_ASSET_TAG,
993 struct dmi_strmatch {
998 struct dmi_system_id {
999 int (*callback)(const struct dmi_system_id *);
1001 struct dmi_strmatch matches[4];
1003 #define DMI_MATCH(a, b) {(a), (b)}
1004 bool dmi_check_system(const struct dmi_system_id *);
1006 extern int drm_debug_flag;
1007 extern int drm_notyet_flag;
1008 extern unsigned int drm_vblank_offdelay;
1009 extern unsigned int drm_timestamp_precision;
1011 /* Device setup support (drm_drv.c) */
1012 int drm_probe(device_t kdev, drm_pci_id_list_t *idlist);
1013 int drm_attach(device_t kdev, drm_pci_id_list_t *idlist);
1014 int drm_create_cdevs(device_t kdev);
1015 int drm_detach(device_t kdev);
1016 d_ioctl_t drm_ioctl;
1018 d_close_t drm_close;
1020 d_kqfilter_t drm_kqfilter;
1022 d_mmap_single_t drm_mmap_single;
1023 extern drm_local_map_t *drm_getsarea(struct drm_device *dev);
1025 void drm_event_wakeup(struct drm_pending_event *e);
1027 int drm_add_busid_modesetting(struct drm_device *dev,
1028 struct sysctl_ctx_list *ctx, struct sysctl_oid *top);
1030 /* File operations helpers (drm_fops.c) */
1031 extern int drm_open_helper(struct cdev *kdev, int flags, int fmt,
1033 struct drm_device *dev);
1034 extern struct drm_file *drm_find_file_by_proc(struct drm_device *dev,
1037 /* Memory management support (drm_memory.c) */
1038 void drm_mem_init(void);
1039 void drm_mem_uninit(void);
1040 void *drm_ioremap_wc(struct drm_device *dev, drm_local_map_t *map);
1041 void *drm_ioremap(struct drm_device *dev, drm_local_map_t *map);
1042 void drm_ioremapfree(drm_local_map_t *map);
1043 int drm_mtrr_add(unsigned long offset, size_t size, int flags);
1044 int drm_mtrr_del(int handle, unsigned long offset, size_t size, int flags);
1046 int drm_context_switch(struct drm_device *dev, int old, int new);
1047 int drm_context_switch_complete(struct drm_device *dev, int new);
1049 int drm_ctxbitmap_init(struct drm_device *dev);
1050 void drm_ctxbitmap_cleanup(struct drm_device *dev);
1051 void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle);
1052 int drm_ctxbitmap_next(struct drm_device *dev);
1054 /* Locking IOCTL support (drm_lock.c) */
1055 int drm_lock_take(struct drm_lock_data *lock_data,
1056 unsigned int context);
1057 int drm_lock_transfer(struct drm_lock_data *lock_data,
1058 unsigned int context);
1059 int drm_lock_free(struct drm_lock_data *lock_data,
1060 unsigned int context);
1062 /* Buffer management support (drm_bufs.c) */
1063 unsigned long drm_get_resource_start(struct drm_device *dev,
1064 unsigned int resource);
1065 unsigned long drm_get_resource_len(struct drm_device *dev,
1066 unsigned int resource);
1067 void drm_rmmap(struct drm_device *dev, drm_local_map_t *map);
1068 int drm_order(unsigned long size);
1069 int drm_addmap(struct drm_device *dev, unsigned long offset,
1071 enum drm_map_type type, enum drm_map_flags flags,
1072 drm_local_map_t **map_ptr);
1073 int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc *request);
1074 int drm_addbufs_sg(struct drm_device *dev, struct drm_buf_desc *request);
1075 int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc *request);
1077 /* DMA support (drm_dma.c) */
1078 int drm_dma_setup(struct drm_device *dev);
1079 void drm_dma_takedown(struct drm_device *dev);
1080 void drm_free_buffer(struct drm_device *dev, drm_buf_t *buf);
1081 void drm_reclaim_buffers(struct drm_device *dev, struct drm_file *file_priv);
1082 #define drm_core_reclaim_buffers drm_reclaim_buffers
1084 /* IRQ support (drm_irq.c) */
1085 int drm_irq_install(struct drm_device *dev);
1086 int drm_irq_uninstall(struct drm_device *dev);
1087 irqreturn_t drm_irq_handler(DRM_IRQ_ARGS);
1088 void drm_driver_irq_preinstall(struct drm_device *dev);
1089 void drm_driver_irq_postinstall(struct drm_device *dev);
1090 void drm_driver_irq_uninstall(struct drm_device *dev);
1092 void drm_vblank_pre_modeset(struct drm_device *dev, int crtc);
1093 void drm_vblank_post_modeset(struct drm_device *dev, int crtc);
1094 int drm_modeset_ctl(struct drm_device *dev, void *data,
1095 struct drm_file *file_priv);
1097 extern int drm_vblank_init(struct drm_device *dev, int num_crtcs);
1098 extern int drm_wait_vblank(struct drm_device *dev, void *data,
1099 struct drm_file *filp);
1100 extern int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq);
1101 extern u32 drm_vblank_count(struct drm_device *dev, int crtc);
1102 extern u32 drm_vblank_count_and_time(struct drm_device *dev, int crtc,
1103 struct timeval *vblanktime);
1104 extern bool drm_handle_vblank(struct drm_device *dev, int crtc);
1105 void drm_handle_vblank_events(struct drm_device *dev, int crtc);
1106 extern int drm_vblank_get(struct drm_device *dev, int crtc);
1107 extern void drm_vblank_put(struct drm_device *dev, int crtc);
1108 extern void drm_vblank_off(struct drm_device *dev, int crtc);
1109 extern void drm_vblank_cleanup(struct drm_device *dev);
1110 extern u32 drm_get_last_vbltimestamp(struct drm_device *dev, int crtc,
1111 struct timeval *tvblank, unsigned flags);
1112 extern int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev,
1113 int crtc, int *max_error,
1114 struct timeval *vblank_time,
1116 struct drm_crtc *refcrtc);
1117 extern void drm_calc_timestamping_constants(struct drm_crtc *crtc);
1119 struct timeval ns_to_timeval(const int64_t nsec);
1120 int64_t timeval_to_ns(const struct timeval *tv);
1122 /* AGP/PCI Express/GART support (drm_agpsupport.c) */
1123 int drm_device_is_agp(struct drm_device *dev);
1124 int drm_device_is_pcie(struct drm_device *dev);
1125 drm_agp_head_t *drm_agp_init(void);
1126 int drm_agp_acquire(struct drm_device *dev);
1127 int drm_agp_release(struct drm_device *dev);
1128 int drm_agp_info(struct drm_device * dev, struct drm_agp_info *info);
1129 int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode);
1130 void *drm_agp_allocate_memory(size_t pages, u32 type);
1131 int drm_agp_free_memory(void *handle);
1132 int drm_agp_bind_memory(void *handle, off_t start);
1133 int drm_agp_unbind_memory(void *handle);
1134 int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request);
1135 int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request);
1136 int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request);
1137 int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request);
1139 /* Scatter Gather Support (drm_scatter.c) */
1140 void drm_sg_cleanup(drm_sg_mem_t *entry);
1141 int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request);
1143 /* sysctl support (drm_sysctl.h) */
1144 extern int drm_sysctl_init(struct drm_device *dev);
1145 extern int drm_sysctl_cleanup(struct drm_device *dev);
1147 /* ATI PCIGART support (ati_pcigart.c) */
1148 int drm_ati_pcigart_init(struct drm_device *dev,
1149 struct drm_ati_pcigart_info *gart_info);
1150 int drm_ati_pcigart_cleanup(struct drm_device *dev,
1151 struct drm_ati_pcigart_info *gart_info);
1153 /* Cache management (drm_memory.c) */
1154 void drm_clflush_pages(vm_page_t *pages, unsigned long num_pages);
1156 /* Locking IOCTL support (drm_drv.c) */
1157 int drm_lock(struct drm_device *dev, void *data,
1158 struct drm_file *file_priv);
1159 int drm_unlock(struct drm_device *dev, void *data,
1160 struct drm_file *file_priv);
1161 int drm_version(struct drm_device *dev, void *data,
1162 struct drm_file *file_priv);
1163 int drm_setversion(struct drm_device *dev, void *data,
1164 struct drm_file *file_priv);
1166 /* Misc. IOCTL support (drm_ioctl.c) */
1167 int drm_irq_by_busid(struct drm_device *dev, void *data,
1168 struct drm_file *file_priv);
1169 int drm_getunique(struct drm_device *dev, void *data,
1170 struct drm_file *file_priv);
1171 int drm_setunique(struct drm_device *dev, void *data,
1172 struct drm_file *file_priv);
1173 int drm_getmap(struct drm_device *dev, void *data,
1174 struct drm_file *file_priv);
1175 int drm_getclient(struct drm_device *dev, void *data,
1176 struct drm_file *file_priv);
1177 int drm_getstats(struct drm_device *dev, void *data,
1178 struct drm_file *file_priv);
1179 int drm_getcap(struct drm_device *dev, void *data,
1180 struct drm_file *file_priv);
1181 int drm_noop(struct drm_device *dev, void *data,
1182 struct drm_file *file_priv);
1184 /* Context IOCTL support (drm_context.c) */
1185 int drm_resctx(struct drm_device *dev, void *data,
1186 struct drm_file *file_priv);
1187 int drm_addctx(struct drm_device *dev, void *data,
1188 struct drm_file *file_priv);
1189 int drm_modctx(struct drm_device *dev, void *data,
1190 struct drm_file *file_priv);
1191 int drm_getctx(struct drm_device *dev, void *data,
1192 struct drm_file *file_priv);
1193 int drm_switchctx(struct drm_device *dev, void *data,
1194 struct drm_file *file_priv);
1195 int drm_newctx(struct drm_device *dev, void *data,
1196 struct drm_file *file_priv);
1197 int drm_rmctx(struct drm_device *dev, void *data,
1198 struct drm_file *file_priv);
1199 int drm_setsareactx(struct drm_device *dev, void *data,
1200 struct drm_file *file_priv);
1201 int drm_getsareactx(struct drm_device *dev, void *data,
1202 struct drm_file *file_priv);
1204 /* Drawable IOCTL support (drm_drawable.c) */
1205 int drm_adddraw(struct drm_device *dev, void *data,
1206 struct drm_file *file_priv);
1207 int drm_rmdraw(struct drm_device *dev, void *data,
1208 struct drm_file *file_priv);
1209 int drm_update_draw(struct drm_device *dev, void *data,
1210 struct drm_file *file_priv);
1211 struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev,
1214 /* Drawable support (drm_drawable.c) */
1215 void drm_drawable_free_all(struct drm_device *dev);
1217 /* Authentication IOCTL support (drm_auth.c) */
1218 int drm_getmagic(struct drm_device *dev, void *data,
1219 struct drm_file *file_priv);
1220 int drm_authmagic(struct drm_device *dev, void *data,
1221 struct drm_file *file_priv);
1223 /* Buffer management support (drm_bufs.c) */
1224 int drm_addmap_ioctl(struct drm_device *dev, void *data,
1225 struct drm_file *file_priv);
1226 int drm_rmmap_ioctl(struct drm_device *dev, void *data,
1227 struct drm_file *file_priv);
1228 int drm_addbufs(struct drm_device *dev, void *data,
1229 struct drm_file *file_priv);
1230 int drm_infobufs(struct drm_device *dev, void *data,
1231 struct drm_file *file_priv);
1232 int drm_markbufs(struct drm_device *dev, void *data,
1233 struct drm_file *file_priv);
1234 int drm_freebufs(struct drm_device *dev, void *data,
1235 struct drm_file *file_priv);
1236 int drm_mapbufs(struct drm_device *dev, void *data,
1237 struct drm_file *file_priv);
1239 /* DMA support (drm_dma.c) */
1240 int drm_dma(struct drm_device *dev, void *data, struct drm_file *file_priv);
1242 /* IRQ support (drm_irq.c) */
1243 int drm_control(struct drm_device *dev, void *data,
1244 struct drm_file *file_priv);
1246 /* AGP/GART support (drm_agpsupport.c) */
1247 int drm_agp_acquire_ioctl(struct drm_device *dev, void *data,
1248 struct drm_file *file_priv);
1249 int drm_agp_release_ioctl(struct drm_device *dev, void *data,
1250 struct drm_file *file_priv);
1251 int drm_agp_enable_ioctl(struct drm_device *dev, void *data,
1252 struct drm_file *file_priv);
1253 int drm_agp_info_ioctl(struct drm_device *dev, void *data,
1254 struct drm_file *file_priv);
1255 int drm_agp_alloc_ioctl(struct drm_device *dev, void *data,
1256 struct drm_file *file_priv);
1257 int drm_agp_free_ioctl(struct drm_device *dev, void *data,
1258 struct drm_file *file_priv);
1259 int drm_agp_unbind_ioctl(struct drm_device *dev, void *data,
1260 struct drm_file *file_priv);
1261 int drm_agp_bind_ioctl(struct drm_device *dev, void *data,
1262 struct drm_file *file_priv);
1264 /* Stub support (drm_stub.h) */
1265 extern int drm_setmaster_ioctl(struct drm_device *dev, void *data,
1266 struct drm_file *file_priv);
1267 extern int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
1268 struct drm_file *file_priv);
1270 /* Scatter Gather Support (drm_scatter.c) */
1271 int drm_sg_alloc_ioctl(struct drm_device *dev, void *data,
1272 struct drm_file *file_priv);
1273 int drm_sg_free(struct drm_device *dev, void *data,
1274 struct drm_file *file_priv);
1276 /* consistent PCI memory functions (drm_pci.c) */
1277 drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size,
1278 size_t align, dma_addr_t maxaddr);
1279 void drm_pci_free(struct drm_device *dev, drm_dma_handle_t *dmah);
1281 /* Graphics Execution Manager library functions (drm_gem.c) */
1282 int drm_gem_init(struct drm_device *dev);
1283 void drm_gem_destroy(struct drm_device *dev);
1285 int drm_gem_close_ioctl(struct drm_device *dev, void *data,
1286 struct drm_file *file_priv);
1287 int drm_gem_flink_ioctl(struct drm_device *dev, void *data,
1288 struct drm_file *file_priv);
1289 int drm_gem_open_ioctl(struct drm_device *dev, void *data,
1290 struct drm_file *file_priv);
1291 int drm_gem_handle_create(struct drm_file *file_priv,
1292 struct drm_gem_object *obj,
1294 int drm_gem_handle_delete(struct drm_file *file_priv, uint32_t handle);
1295 void drm_gem_object_handle_reference(struct drm_gem_object *obj);
1296 void drm_gem_object_handle_unreference(struct drm_gem_object *obj);
1297 void drm_gem_object_handle_unreference_unlocked(struct drm_gem_object *obj);
1298 void drm_gem_object_handle_free(struct drm_gem_object *obj);
1299 void drm_gem_object_reference(struct drm_gem_object *obj);
1300 void drm_gem_object_unreference(struct drm_gem_object *obj);
1301 void drm_gem_object_unreference_unlocked(struct drm_gem_object *obj);
1302 void drm_gem_object_release(struct drm_gem_object *obj);
1303 void drm_gem_object_free(struct drm_gem_object *obj);
1304 int drm_gem_object_init(struct drm_device *dev, struct drm_gem_object *obj,
1306 int drm_gem_private_object_init(struct drm_device *dev,
1307 struct drm_gem_object *obj, size_t size);
1308 struct drm_gem_object *drm_gem_object_alloc(struct drm_device *dev,
1310 struct drm_gem_object *drm_gem_object_lookup(struct drm_device *dev,
1311 struct drm_file *file_priv, uint32_t handle);
1313 void drm_gem_open(struct drm_device *dev, struct drm_file *file_priv);
1314 void drm_gem_release(struct drm_device *dev, struct drm_file *file_priv);
1316 int drm_gem_create_mmap_offset(struct drm_gem_object *obj);
1317 void drm_gem_free_mmap_offset(struct drm_gem_object *obj);
1318 int drm_gem_mmap_single(struct drm_device *dev, vm_ooffset_t *offset,
1319 vm_size_t size, struct vm_object **obj_res, int nprot);
1320 void drm_gem_pager_dtr(void *obj);
1322 struct ttm_bo_device;
1323 int ttm_bo_mmap_single(struct ttm_bo_device *bdev, vm_ooffset_t *offset,
1324 vm_size_t size, struct vm_object **obj_res, int nprot);
1325 struct ttm_buffer_object;
1326 void ttm_bo_release_mmap(struct ttm_buffer_object *bo);
1328 void drm_device_lock_mtx(struct drm_device *dev);
1329 void drm_device_unlock_mtx(struct drm_device *dev);
1330 int drm_device_sleep_mtx(struct drm_device *dev, void *chan, int flags,
1331 const char *msg, int timeout);
1332 void drm_device_assert_mtx_locked(struct drm_device *dev);
1333 void drm_device_assert_mtx_unlocked(struct drm_device *dev);
1335 void drm_device_lock_struct(struct drm_device *dev);
1336 void drm_device_unlock_struct(struct drm_device *dev);
1337 int drm_device_sleep_struct(struct drm_device *dev, void *chan, int flags,
1338 const char *msg, int timeout);
1339 void drm_device_assert_struct_locked(struct drm_device *dev);
1340 void drm_device_assert_struct_unlocked(struct drm_device *dev);
1342 void drm_compat_locking_init(struct drm_device *dev);
1343 void drm_sleep_locking_init(struct drm_device *dev);
1346 bool drm_mode_parse_command_line_for_connector(const char *mode_option,
1347 struct drm_connector *connector, struct drm_cmdline_mode *mode);
1348 struct drm_display_mode *drm_mode_create_from_cmdline_mode(
1349 struct drm_device *dev, struct drm_cmdline_mode *cmd);
1352 u8 *drm_find_cea_extension(struct edid *edid);
1354 /* Inline replacements for drm_alloc and friends */
1355 static __inline__ void *
1356 drm_alloc(size_t size, struct malloc_type *area)
1358 return kmalloc(size, area, M_NOWAIT);
1361 static __inline__ void *
1362 drm_calloc(size_t nmemb, size_t size, struct malloc_type *area)
1364 return kmalloc(size * nmemb, area, M_NOWAIT | M_ZERO);
1367 static __inline__ void *
1368 drm_realloc(void *oldpt, size_t oldsize, size_t size,
1369 struct malloc_type *area)
1372 res = krealloc(oldpt, size, area, M_NOWAIT);
1373 if (res == NULL && oldpt != NULL)
1378 static __inline__ void
1379 drm_free(void *pt, struct malloc_type *area)
1385 /* Inline replacements for DRM_IOREMAP macros */
1386 static __inline__ void
1387 drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev)
1389 map->virtual = drm_ioremap_wc(dev, map);
1391 static __inline__ void
1392 drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev)
1394 map->virtual = drm_ioremap(dev, map);
1396 static __inline__ void
1397 drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev)
1399 if ( map->virtual && map->size )
1400 drm_ioremapfree(map);
1403 static __inline__ struct drm_local_map *
1404 drm_core_findmap(struct drm_device *dev, unsigned long offset)
1406 drm_local_map_t *map;
1408 DRM_LOCK_ASSERT(dev);
1409 TAILQ_FOREACH(map, &dev->maplist, link) {
1410 if (offset == (unsigned long)map->handle)
1416 static __inline__ void drm_core_dropmap(struct drm_map *map)
1420 #define KIB_NOTYET() \
1422 if (drm_debug_flag && drm_notyet_flag) \
1423 kprintf("NOTYET: %s at %s:%d\n", __func__, __FILE__, __LINE__); \
1426 #define KTR_DRM KTR_DEV
1427 #define KTR_DRM_REG KTR_SPARE3
1430 /* FreeBSD compatibility macros */
1431 #define PROC_LOCK(p)
1432 #define PROC_UNLOCK(p)
1434 #define VM_OBJECT_RLOCK(object) VM_OBJECT_LOCK(object)
1435 #define VM_OBJECT_RUNLOCK(object) VM_OBJECT_UNLOCK(object)
1436 #define VM_OBJECT_WLOCK(object) VM_OBJECT_LOCK(object)
1437 #define VM_OBJECT_WUNLOCK(object) VM_OBJECT_UNLOCK(object)
1439 /* Error codes conversion from Linux to FreeBSD. */
1440 /* XXXKIB what is the right code for EREMOTEIO on FreeBSD? */
1441 #define EREMOTEIO ENXIO
1442 #define ERESTARTSYS ERESTART
1444 #define PCI_VENDOR_ID_APPLE 0x106b
1445 #define PCI_VENDOR_ID_ASUSTEK 0x1043
1446 #define PCI_VENDOR_ID_ATI 0x1002
1447 #define PCI_VENDOR_ID_DELL 0x1028
1448 #define PCI_VENDOR_ID_HP 0x103c
1449 #define PCI_VENDOR_ID_IBM 0x1014
1450 #define PCI_VENDOR_ID_INTEL 0x8086
1451 #define PCI_VENDOR_ID_SERVERWORKS 0x1166
1452 #define PCI_VENDOR_ID_SONY 0x104d
1453 #define PCI_VENDOR_ID_VIA 0x1106
1455 #define DRM_PCIE_SPEED_25 1
1456 #define DRM_PCIE_SPEED_50 2
1457 #define DRM_PCIE_SPEED_80 4
1459 extern int drm_pcie_get_speed_cap_mask(struct drm_device *dev, u32 *speed_mask);
1461 #endif /* __KERNEL__ */
1462 #endif /* _DRM_P_H_ */