3 * Private header for Direct Rendering Manager
5 * \author Rickard E. (Rik) Faith <faith@valinux.com>
6 * \author Gareth Hughes <gareth@valinux.com>
10 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
11 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
12 * Copyright (c) 2009-2010, Code Aurora Forum.
13 * All rights reserved.
15 * Permission is hereby granted, free of charge, to any person obtaining a
16 * copy of this software and associated documentation files (the "Software"),
17 * to deal in the Software without restriction, including without limitation
18 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
19 * and/or sell copies of the Software, and to permit persons to whom the
20 * Software is furnished to do so, subject to the following conditions:
22 * The above copyright notice and this permission notice (including the next
23 * paragraph) shall be included in all copies or substantial portions of the
26 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
27 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
28 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
29 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
30 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
31 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
32 * OTHER DEALINGS IN THE SOFTWARE.
34 * $FreeBSD: head/sys/dev/drm2/drmP.h 255045 2013-08-29 23:09:34Z jkim $
40 #if defined(_KERNEL) || defined(__KERNEL__)
42 #include <sys/param.h>
43 #include <sys/queue.h>
44 #include <sys/malloc.h>
45 #include <sys/kernel.h>
47 #include <sys/module.h>
48 #include <sys/systm.h>
49 #include <sys/device.h>
50 #include <sys/sglist.h>
55 #include <sys/spinlock.h>
56 #include <sys/spinlock2.h>
57 #include <sys/fcntl.h>
59 #include <sys/filio.h>
60 #include <sys/sysctl.h>
62 #include <sys/queue.h>
63 #include <sys/signalvar.h>
66 #include <sys/taskqueue.h>
70 #include <vm/vm_extern.h>
71 #include <vm/vm_kern.h>
72 #include <vm/vm_map.h>
73 #include <vm/vm_object.h>
74 #include <vm/vm_page2.h>
75 #include <vm/vm_pager.h>
76 #include <vm/vm_param.h>
77 #include <machine/param.h>
78 #include <machine/pmap.h>
79 #if defined(__i386__) || defined(__amd64__)
80 #include <machine/specialreg.h>
82 #include <machine/sysarch.h>
83 #include <sys/endian.h>
86 #include <sys/memrange.h>
87 #include <dev/agp/agpvar.h>
88 #include <sys/agpio.h>
89 #include <sys/mutex.h>
90 #include <bus/pci/pcivar.h>
91 #include <bus/pci/pcireg.h>
93 #include <uapi_drm/drm.h>
94 #include <uapi_drm/drm_sarea.h>
96 #include <linux/atomic.h>
97 #include <linux/idr.h>
98 #include <linux/kernel.h>
99 #include <linux/kref.h>
100 #include <linux/list.h>
101 #include <linux/types.h>
106 #include "drm_os_freebsd.h"
107 #include "drm_hashtab.h"
112 #define DRM_DEBUG_DEFAULT_ON 1
113 #endif /* DRM_DEBUG */
115 #define DRM_DEBUGBITS_DEBUG 0x1
116 #define DRM_DEBUGBITS_KMS 0x2
117 #define DRM_DEBUGBITS_FAILED_IOCTL 0x4
122 /***********************************************************************/
123 /** \name DRM template customization defaults */
126 /* driver capabilities and requirements mask */
127 #define DRIVER_USE_AGP 0x1
128 #define DRIVER_REQUIRE_AGP 0x2
129 #define DRIVER_USE_MTRR 0x4
130 #define DRIVER_PCI_DMA 0x8
131 #define DRIVER_SG 0x10
132 #define DRIVER_HAVE_DMA 0x20
133 #define DRIVER_HAVE_IRQ 0x40
134 #define DRIVER_IRQ_SHARED 0x80
135 #define DRIVER_IRQ_VBL 0x100
136 #define DRIVER_DMA_QUEUE 0x200
137 #define DRIVER_FB_DMA 0x400
138 #define DRIVER_IRQ_VBL2 0x800
139 #define DRIVER_GEM 0x1000
140 #define DRIVER_MODESET 0x2000
141 #define DRIVER_PRIME 0x4000
142 #define DRIVER_LOCKLESS_IRQ 0x8000
145 #define DRM_HASH_SIZE 16 /* Size of key hash table */
146 #define DRM_KERNEL_CONTEXT 0 /* Change drm_resctx if changed */
147 #define DRM_RESERVED_CONTEXTS 1 /* Change drm_resctx if changed */
149 #define DRM_GEM_MAPPING_MASK (3ULL << 62)
150 #define DRM_GEM_MAPPING_KEY (2ULL << 62) /* Non-canonical address form */
151 #define DRM_GEM_MAX_IDX 0x3fffff
152 #define DRM_GEM_MAPPING_IDX(o) (((o) >> 40) & DRM_GEM_MAX_IDX)
153 #define DRM_GEM_MAPPING_OFF(i) (((uint64_t)(i)) << 40)
154 #define DRM_GEM_MAPPING_MAPOFF(o) \
155 ((o) & ~(DRM_GEM_MAPPING_OFF(DRM_GEM_MAX_IDX) | DRM_GEM_MAPPING_KEY))
157 MALLOC_DECLARE(DRM_MEM_DMA);
158 MALLOC_DECLARE(DRM_MEM_SAREA);
159 MALLOC_DECLARE(DRM_MEM_DRIVER);
160 MALLOC_DECLARE(DRM_MEM_MAGIC);
161 MALLOC_DECLARE(DRM_MEM_MAPS);
162 MALLOC_DECLARE(DRM_MEM_BUFS);
163 MALLOC_DECLARE(DRM_MEM_SEGS);
164 MALLOC_DECLARE(DRM_MEM_PAGES);
165 MALLOC_DECLARE(DRM_MEM_FILES);
166 MALLOC_DECLARE(DRM_MEM_BUFLISTS);
167 MALLOC_DECLARE(DRM_MEM_AGPLISTS);
168 MALLOC_DECLARE(DRM_MEM_CTXBITMAP);
169 MALLOC_DECLARE(DRM_MEM_SGLISTS);
170 MALLOC_DECLARE(DRM_MEM_DRAWABLE);
171 MALLOC_DECLARE(DRM_MEM_MM);
172 MALLOC_DECLARE(DRM_MEM_HASHTAB);
173 MALLOC_DECLARE(DRM_MEM_KMS);
175 SYSCTL_DECL(_hw_drm);
177 #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8)
179 /***********************************************************************/
180 /** \name Internal types and structures */
183 #define DRM_ARRAY_SIZE(x) NELEM(x)
184 #define DRM_MIN(a,b) ((a)<(b)?(a):(b))
185 #define DRM_MAX(a,b) ((a)>(b)?(a):(b))
187 #define DRM_IF_VERSION(maj, min) (maj << 16 | min)
189 #define __OS_HAS_AGP 1
191 #define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP)
192 #define DRM_DEV_UID 0
193 #define DRM_DEV_GID 0
195 #define wait_queue_head_t atomic_t
196 #define DRM_WAKEUP(w) wakeup((void *)w)
197 #define DRM_WAKEUP_INT(w) wakeup(w)
198 #define DRM_INIT_WAITQUEUE(queue) do {(void)(queue);} while (0)
200 #define DRM_CURPROC curthread
201 #define DRM_STRUCTPROC struct thread
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 */
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)
242 /* DRM_READMEMORYBARRIER() prevents reordering of reads.
243 * DRM_WRITEMEMORYBARRIER() prevents reordering of writes.
244 * DRM_MEMORYBARRIER() prevents reordering of reads and writes.
246 #define DRM_READMEMORYBARRIER() cpu_lfence()
247 #define DRM_WRITEMEMORYBARRIER() cpu_sfence()
248 #define DRM_MEMORYBARRIER() cpu_mfence()
250 #define DRM_READ8(map, offset) \
251 *(volatile u_int8_t *)(((vm_offset_t)(map)->virtual) + \
252 (vm_offset_t)(offset))
253 #define DRM_READ16(map, offset) \
254 le16toh(*(volatile u_int16_t *)(((vm_offset_t)(map)->virtual) + \
255 (vm_offset_t)(offset)))
256 #define DRM_READ32(map, offset) \
257 le32toh(*(volatile u_int32_t *)(((vm_offset_t)(map)->virtual) + \
258 (vm_offset_t)(offset)))
259 #define DRM_READ64(map, offset) \
260 le64toh(*(volatile u_int64_t *)(((vm_offset_t)(map)->virtual) + \
261 (vm_offset_t)(offset)))
262 #define DRM_WRITE8(map, offset, val) \
263 *(volatile u_int8_t *)(((vm_offset_t)(map)->virtual) + \
264 (vm_offset_t)(offset)) = val
265 #define DRM_WRITE16(map, offset, val) \
266 *(volatile u_int16_t *)(((vm_offset_t)(map)->virtual) + \
267 (vm_offset_t)(offset)) = htole16(val)
268 #define DRM_WRITE32(map, offset, val) \
269 *(volatile u_int32_t *)(((vm_offset_t)(map)->virtual) + \
270 (vm_offset_t)(offset)) = htole32(val)
271 #define DRM_WRITE64(map, offset, val) \
272 *(volatile u_int64_t *)(((vm_offset_t)(map)->virtual) + \
273 (vm_offset_t)(offset)) = htole64(val)
275 #define DRM_VERIFYAREA_READ( uaddr, size ) \
276 (!useracc(__DECONST(caddr_t, uaddr), size, VM_PROT_READ))
278 #define DRM_COPY_TO_USER(user, kern, size) \
279 copyout(kern, user, size)
280 #define DRM_COPY_FROM_USER(kern, user, size) \
281 copyin(user, kern, size)
282 #define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \
283 copyin(arg2, arg1, arg3)
284 #define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \
285 copyout(arg2, arg1, arg3)
286 #define DRM_GET_USER_UNCHECKED(val, uaddr) \
287 ((val) = fuword32(uaddr), 0)
289 #define drm_can_sleep() (DRM_HZ & 1)
291 #define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \
292 (_map) = (_dev)->context_sareas[_ctx]; \
295 #define LOCK_TEST_WITH_RETURN(dev, file_priv) \
297 if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \
298 dev->lock.file_priv != file_priv) { \
299 DRM_ERROR("%s called without lock held\n", \
305 /* Returns -errno to shared code */
306 #define DRM_WAIT_ON( ret, queue, timeout, condition ) \
307 for ( ret = 0 ; !ret && !(condition) ; ) { \
309 lwkt_serialize_enter(&dev->irq_lock); \
310 if (!(condition)) { \
311 tsleep_interlock(&(queue), PCATCH); \
312 lwkt_serialize_exit(&dev->irq_lock); \
313 ret = -tsleep(&(queue), PCATCH | PINTERLOCKED, \
314 "drmwtq", (timeout)); \
316 lwkt_serialize_exit(&dev->irq_lock); \
322 vm_page_unhold_pages(vm_page_t *ma, int count)
326 for (i = 0; i < count; i++)
327 vm_page_unhold(ma[i]);
330 int vm_phys_fictitious_reg_range(vm_paddr_t start, vm_paddr_t end,
331 vm_memattr_t memattr);
332 void vm_phys_fictitious_unreg_range(vm_paddr_t start, vm_paddr_t end);
333 vm_page_t vm_phys_fictitious_to_vm_page(vm_paddr_t pa);
335 #define DRM_ERROR(fmt, ...) \
336 kprintf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt, \
337 DRM_CURRENTPID, __func__ , ##__VA_ARGS__)
339 #define DRM_INFO(fmt, ...) kprintf("info: [" DRM_NAME "] " fmt , ##__VA_ARGS__)
341 #define DRM_DEBUG(fmt, ...) do { \
342 if ((drm_debug_flag & DRM_DEBUGBITS_DEBUG) != 0) \
343 kprintf("[" DRM_NAME ":pid%d:%s] " fmt, DRM_CURRENTPID, \
344 __func__ , ##__VA_ARGS__); \
347 #define DRM_DEBUG_KMS(fmt, ...) do { \
348 if ((drm_debug_flag & DRM_DEBUGBITS_KMS) != 0) \
349 kprintf("[" DRM_NAME ":KMS:pid%d:%s] " fmt, DRM_CURRENTPID,\
350 __func__ , ##__VA_ARGS__); \
353 #define DRM_DEBUG_DRIVER(fmt, ...) do { \
354 if ((drm_debug_flag & DRM_DEBUGBITS_KMS) != 0) \
355 kprintf("[" DRM_NAME ":KMS:pid%d:%s] " fmt, DRM_CURRENTPID,\
356 __func__ , ##__VA_ARGS__); \
359 #define dev_err(dev, fmt, ...) \
360 device_printf((dev), "error: " fmt, ## __VA_ARGS__)
361 #define dev_warn(dev, fmt, ...) \
362 device_printf((dev), "warning: " fmt, ## __VA_ARGS__)
363 #define dev_info(dev, fmt, ...) \
364 device_printf((dev), "info: " fmt, ## __VA_ARGS__)
365 #define dev_dbg(dev, fmt, ...) do { \
366 if ((drm_debug_flag& DRM_DEBUGBITS_KMS) != 0) { \
367 device_printf((dev), "debug: " fmt, ## __VA_ARGS__); \
371 typedef struct drm_pci_id_list
379 struct drm_msi_blacklist_entry
386 #define DRM_MASTER 0x2
387 #define DRM_ROOT_ONLY 0x4
388 #define DRM_CONTROL_ALLOW 0x8
389 #define DRM_UNLOCKED 0x10
391 typedef struct drm_ioctl_desc {
393 int (*func)(struct drm_device *dev, void *data,
394 struct drm_file *file_priv);
396 unsigned int cmd_drv;
400 * Creates a driver or general drm_ioctl_desc array entry for the given
401 * ioctl, for use by drm_ioctl().
403 #define DRM_IOCTL_DEF(ioctl, func, flags) \
404 [DRM_IOCTL_NR(ioctl)] = {ioctl, func, flags}
406 #define DRM_IOCTL_DEF_DRV(ioctl, _func, _flags) \
407 [DRM_IOCTL_NR(DRM_##ioctl)] = {.cmd = DRM_##ioctl, .func = _func, .flags = _flags, .cmd_drv = DRM_IOCTL_##ioctl}
409 typedef struct drm_magic_entry {
411 struct drm_file *priv;
412 struct drm_magic_entry *next;
415 typedef struct drm_magic_head {
416 struct drm_magic_entry *head;
417 struct drm_magic_entry *tail;
420 typedef struct drm_buf {
421 int idx; /**< Index into master buflist */
422 int total; /**< Buffer size */
423 int order; /**< log-base-2(total) */
424 int used; /**< Amount of buffer in use (for DMA) */
425 unsigned long offset; /**< Byte offset (used internally) */
426 void *address; /**< Address of buffer */
427 unsigned long bus_address; /**< Bus address of buffer */
428 struct drm_buf *next; /**< Kernel-only: used for free list */
429 __volatile__ int waiting; /**< On kernel DMA queue */
430 __volatile__ int pending; /**< On hardware DMA queue */
431 struct drm_file *file_priv; /**< Private of holding file descr */
432 int context; /**< Kernel queue for this buffer */
433 int while_locked; /**< Dispatch this buffer while locked */
441 } list; /**< Which list we're on */
443 int dev_priv_size; /**< Size of buffer private storage */
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 /* initial implementaton using a linked list - todo hashtab */
485 struct drm_prime_file_private {
486 struct list_head head;
489 #endif /* DUMBBELL_WIP */
492 typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t;
494 TAILQ_ENTRY(drm_file) link;
495 struct drm_device *dev;
501 unsigned long ioctl_count;
503 /** Mapping of mm object handles to object pointers. */
504 struct idr object_idr;
505 /** Lock for synchronization of access to object_idr. */
506 struct spinlock table_lock;
511 struct drm_master *masterp;
513 struct list_head fbs;
515 struct list_head event_list;
518 struct drm_prime_file_private prime;
521 typedef struct drm_lock_data {
522 struct drm_hw_lock *hw_lock; /* Hardware lock */
523 struct drm_file *file_priv; /* Unique identifier of holding process (NULL is kernel)*/
524 int lock_queue; /* Queue of blocked processes */
525 unsigned long lock_time; /* Time of last lock in jiffies */
528 /* This structure, in the struct drm_device, is always initialized while the
530 * is open. dev->dma_lock protects the incrementing of dev->buf_use, which
531 * when set marks that no further bufs may be allocated until device teardown
532 * occurs (when the last open of the device has closed). The high/low
533 * watermarks of bufs are only touched by the X Server, and thus not
534 * concurrently accessed, so no locking is needed.
536 typedef struct drm_device_dma {
538 struct drm_buf_entry bufs[DRM_MAX_ORDER + 1]; /**< buffers, grouped by their size order */
539 int buf_count; /**< total number of buffers */
540 struct drm_buf **buflist; /**< Vector of pointers into drm_device_dma::bufs */
542 int page_count; /**< number of pages */
543 unsigned long *pagelist; /**< page list */
544 unsigned long byte_count;
546 _DRM_DMA_USE_AGP = 0x01,
547 _DRM_DMA_USE_SG = 0x02,
548 _DRM_DMA_USE_FB = 0x04,
549 _DRM_DMA_USE_PCI_RO = 0x08
554 typedef struct drm_agp_mem {
556 unsigned long bound; /* address */
558 struct drm_agp_mem *prev;
559 struct drm_agp_mem *next;
562 typedef struct drm_agp_head {
564 struct agp_info agp_info;
566 drm_agp_mem_t *memory;
572 int cant_use_aperture;
573 unsigned long page_mask;
576 typedef struct drm_sg_mem {
582 #define DRM_MAP_HANDLE_BITS (sizeof(void *) == 4 ? 4 : 24)
583 #define DRM_MAP_HANDLE_SHIFT (sizeof(void *) * 8 - DRM_MAP_HANDLE_BITS)
586 * Kernel side of a mapping
588 struct drm_local_map {
589 unsigned long offset; /* Physical address (0 for SAREA) */
590 unsigned long size; /* Physical size (bytes) */
591 enum drm_map_type type; /* Type of memory mapped */
592 enum drm_map_flags flags; /* Flags */
593 void *handle; /* User-space: "Handle" to pass to mmap */
594 /* Kernel-space: kernel-virtual address */
595 int mtrr; /* Boolean: MTRR used */
597 int rid; /* PCI resource ID for bus_space */
598 void *virtual; /* Kernel-space: kernel-virtual address */
599 struct resource *bsr;
601 bus_space_handle_t bsh;
602 drm_dma_handle_t *dmah;
603 TAILQ_ENTRY(drm_local_map) link;
606 typedef struct drm_local_map drm_local_map_t;
611 struct drm_map_list {
612 struct list_head head; /**< list head */
613 struct drm_hash_item hash;
614 struct drm_local_map *map; /**< mapping */
616 struct drm_master *master;
617 struct drm_mm_node *file_offset_node; /**< fake offset */
620 struct drm_vblank_info {
621 wait_queue_head_t queue; /* vblank wait queue */
622 atomic_t count; /* number of VBLANK interrupts */
623 /* (driver must alloc the right number of counters) */
624 atomic_t refcount; /* number of users of vblank interrupts */
625 u32 last; /* protected by dev->vbl_lock, used */
626 /* for wraparound handling */
627 int enabled; /* so we don't call enable more than */
628 /* once per disable */
629 int inmodeset; /* Display driver is setting mode */
632 /* location of GART table */
633 #define DRM_ATI_GART_MAIN 1
634 #define DRM_ATI_GART_FB 2
636 #define DRM_ATI_GART_PCI 1
637 #define DRM_ATI_GART_PCIE 2
638 #define DRM_ATI_GART_IGP 3
640 struct drm_ati_pcigart_info {
641 int gart_table_location;
645 dma_addr_t table_mask;
646 dma_addr_t member_mask;
647 struct drm_dma_handle *table_handle;
648 drm_local_map_t mapping;
650 struct drm_dma_handle *dmah; /* handle for ATI PCIGART table */
653 typedef vm_paddr_t resource_size_t;
656 * GEM specific mm private for tracking GEM objects
659 struct drm_open_hash offset_hash; /**< User token hash table for maps */
660 struct unrhdr *idxunr;
663 struct drm_gem_object {
664 /** Reference count of this object */
665 struct kref refcount;
667 /** Handle count of this object. Each handle also holds a reference */
668 atomic_t handle_count; /* number of handles on this object */
670 /** Related drm device */
671 struct drm_device *dev;
673 /** File representing the shmem storage: filp in Linux parlance */
677 struct drm_hash_item map_list;
680 * Size of the object, in bytes. Immutable over the object's
686 * Global name for this object, starts at 1. 0 means unnamed.
687 * Access is covered by the object_name_lock in the related drm_device
692 * Memory domains. These monitor which caches contain read/write data
693 * related to the object. When transitioning from one set of domains
694 * to another, the driver is called to ensure that caches are suitably
695 * flushed and invalidated
697 uint32_t read_domains;
698 uint32_t write_domain;
701 * While validating an exec operation, the
702 * new read/write domain values are computed here.
703 * They will be transferred to the above values
704 * at the point that any cache flushing occurs
706 uint32_t pending_read_domains;
707 uint32_t pending_write_domain;
709 void *driver_private;
712 /* dma buf exported from this GEM object */
713 struct dma_buf *export_dma_buf;
715 /* dma buf attachment backing this object */
716 struct dma_buf_attachment *import_attach;
717 #endif /* DUMBBELL_WIP */
720 #include "drm_crtc.h"
722 /* per-master structure */
725 struct kref refcount; /* refcount for this master */
727 struct list_head head; /**< each minor contains a list of masters */
728 struct drm_minor *minor; /**< link back to minor we are a master for */
730 char *unique; /**< Unique identifier: e.g., busid */
731 int unique_len; /**< Length of unique field */
732 int unique_size; /**< amount allocated */
734 int blocked; /**< Blocked due to VC switch? */
736 /** \name Authentication */
738 struct drm_open_hash magiclist;
739 struct list_head magicfree;
742 struct drm_lock_data lock; /**< Information on hardware lock */
744 void *driver_priv; /**< Private structure for driver to use */
747 /* Size of ringbuffer for vblank timestamps. Just double-buffer
748 * in initial implementation.
750 #define DRM_VBLANKTIME_RBSIZE 2
752 /* Flags and return codes for get_vblank_timestamp() driver function. */
753 #define DRM_CALLED_FROM_VBLIRQ 1
754 #define DRM_VBLANKTIME_SCANOUTPOS_METHOD (1 << 0)
755 #define DRM_VBLANKTIME_INVBL (1 << 1)
757 /* get_scanout_position() return flags */
758 #define DRM_SCANOUTPOS_VALID (1 << 0)
759 #define DRM_SCANOUTPOS_INVBL (1 << 1)
760 #define DRM_SCANOUTPOS_ACCURATE (1 << 2)
763 #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : (1ULL<<(n)) - 1)
766 #define upper_32_bits(n) ((u32)(((n) >> 16) >> 16))
769 int (*load)(struct drm_device *, unsigned long flags);
770 int (*use_msi)(struct drm_device *, unsigned long flags);
771 int (*firstopen)(struct drm_device *);
772 int (*open)(struct drm_device *, struct drm_file *);
773 void (*preclose)(struct drm_device *, struct drm_file *file_priv);
774 void (*postclose)(struct drm_device *, struct drm_file *);
775 void (*lastclose)(struct drm_device *);
776 int (*unload)(struct drm_device *);
777 void (*reclaim_buffers_locked)(struct drm_device *,
778 struct drm_file *file_priv);
779 int (*dma_ioctl)(struct drm_device *dev, void *data,
780 struct drm_file *file_priv);
781 void (*dma_ready)(struct drm_device *);
782 int (*dma_quiescent)(struct drm_device *);
783 int (*dma_flush_block_and_flush)(struct drm_device *, int context,
784 enum drm_lock_flags flags);
785 int (*dma_flush_unblock)(struct drm_device *, int context,
786 enum drm_lock_flags flags);
787 int (*context_ctor)(struct drm_device *dev, int context);
788 int (*context_dtor)(struct drm_device *dev, int context);
789 int (*kernel_context_switch)(struct drm_device *dev, int old,
791 int (*kernel_context_switch_unlock)(struct drm_device *dev);
792 void (*irq_preinstall)(struct drm_device *dev);
793 int (*irq_postinstall)(struct drm_device *dev);
794 void (*irq_uninstall)(struct drm_device *dev);
795 void (*irq_handler)(DRM_IRQ_ARGS);
797 u32 (*get_vblank_counter)(struct drm_device *dev, int crtc);
798 int (*enable_vblank)(struct drm_device *dev, int crtc);
799 void (*disable_vblank)(struct drm_device *dev, int crtc);
800 int (*get_scanout_position)(struct drm_device *dev, int crtc,
801 int *vpos, int *hpos);
803 int (*get_vblank_timestamp)(struct drm_device *dev, int crtc,
804 int *max_error, struct timeval *vblank_time,
807 int (*gem_init_object)(struct drm_gem_object *obj);
808 void (*gem_free_object)(struct drm_gem_object *obj);
809 int (*gem_open_object)(struct drm_gem_object *, struct drm_file *);
810 void (*gem_close_object)(struct drm_gem_object *, struct drm_file *);
812 struct cdev_pager_ops *gem_pager_ops;
814 int (*dumb_create)(struct drm_file *file_priv,
815 struct drm_device *dev, struct drm_mode_create_dumb *args);
816 int (*dumb_map_offset)(struct drm_file *file_priv,
817 struct drm_device *dev, uint32_t handle, uint64_t *offset);
818 int (*dumb_destroy)(struct drm_file *file_priv,
819 struct drm_device *dev, uint32_t handle);
821 int (*sysctl_init)(struct drm_device *dev,
822 struct sysctl_ctx_list *ctx, struct sysctl_oid *top);
823 void (*sysctl_cleanup)(struct drm_device *dev);
825 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */
828 * Called by \c drm_device_is_agp. Typically used to determine if a
829 * card is really attached to AGP or not.
831 * \param dev DRM device handle
834 * One of three values is returned depending on whether or not the
835 * card is absolutely \b not AGP (return of 0), absolutely \b is AGP
836 * (return of 1), or may or may not be AGP (return of 2).
838 int (*device_is_agp) (struct drm_device * dev);
840 drm_ioctl_desc_t *ioctls;
841 #ifdef COMPAT_FREEBSD32
842 drm_ioctl_desc_t *compat_ioctls;
843 int *compat_ioctls_nr;
852 const char *name; /* Simple driver name */
853 const char *desc; /* Longer driver name */
854 const char *date; /* Date of last major changes. */
860 * DRM minor structure. This structure represents a drm minor number.
863 int index; /**< Minor device number */
864 int type; /**< Control or render */
865 device_t kdev; /**< OS device */
866 struct drm_device *dev;
868 struct drm_master *master; /* currently active master for this node */
869 struct list_head master_list;
870 struct drm_mode_group mode_group;
873 /* mode specified on the command line */
874 struct drm_cmdline_mode {
876 bool refresh_specified;
885 enum drm_connector_force force;
889 struct drm_pending_vblank_event {
890 struct drm_pending_event base;
892 struct drm_event_vblank event;
895 /* Length for the array of resource pointers for drm_get_resource_*. */
896 #define DRM_MAX_PCI_RESOURCE 6
899 * DRM device structure. This structure represent a complete card that
900 * may contain multiple heads.
903 struct drm_driver *driver;
904 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */
906 uint16_t pci_device; /* PCI device id */
907 uint16_t pci_vendor; /* PCI vendor id */
908 uint16_t pci_subdevice; /* PCI subsystem device id */
909 uint16_t pci_subvendor; /* PCI subsystem vendor id */
911 char *unique; /* Unique identifier: e.g., busid */
912 int unique_len; /* Length of unique field */
913 device_t device; /* Device instance from newbus */
914 struct cdev *devnode; /* Device number for mknod */
915 int if_version; /* Highest interface version set */
917 int flags; /* Flags to open(2) */
920 struct spinlock dma_lock; /* protects dev->dma */
921 struct lwkt_serialize irq_lock; /* protects irq condition checks */
922 struct lock dev_lock; /* protects everything else */
923 struct lock dev_struct_lock;
924 struct spinlock drw_lock;
927 int open_count; /* Outstanding files open */
928 int buf_use; /* Buffers in use -- cannot alloc */
930 /* Performance counters */
931 unsigned long counters;
932 enum drm_stat_type types[15];
936 drm_file_list_t files;
937 drm_magic_head_t magiclist[DRM_HASH_SIZE];
939 /** \name Memory management */
941 struct list_head maplist; /**< Linked list of regions */
942 struct unrhdr *map_unrhdr;
944 drm_local_map_t **context_sareas;
947 drm_lock_data_t lock; /* Information on hardware lock */
949 /* DMA queues (contexts) */
950 drm_device_dma_t *dma; /* Optional pointer for DMA support */
952 /* Context support */
953 int irq; /* Interrupt used by board */
954 int msi_enabled; /* MSI enabled */
955 int irqrid; /* Interrupt used by board */
956 struct resource *irqr; /* Resource for interrupt used by board */
957 void *irqh; /* Handle from bus_setup_intr */
959 /* Storage of resource pointers for drm_get_resource_* */
960 struct resource *pcir[DRM_MAX_PCI_RESOURCE];
961 int pcirid[DRM_MAX_PCI_RESOURCE];
968 /** \name Context support */
970 int irq_enabled; /**< True if irq handler is enabled */
971 __volatile__ long context_flag; /**< Context swapping flag */
972 int last_context; /**< Last current context */
977 struct sigio *buf_sigio; /* Processes waiting for SIGIO */
980 struct drm_sysctl_info *sysctl;
984 drm_sg_mem_t *sg; /* Scatter gather memory */
985 unsigned long *ctx_bitmap;
987 unsigned int agp_buffer_token;
988 drm_local_map_t *agp_buffer_map;
990 struct drm_minor *control; /**< Control node for card */
991 struct drm_minor *primary; /**< render type primary screen head */
994 struct unrhdr *drw_unrhdr;
995 /* RB tree of drawable infos */
996 RB_HEAD(drawable_tree, bsd_drm_drawable_info) drw_head;
998 int vblank_disable_allowed;
1000 atomic_t *_vblank_count; /**< number of VBLANK interrupts (driver must alloc the right number of counters) */
1001 struct timeval *_vblank_time; /**< timestamp of current vblank_count (drivers must alloc right number of fields) */
1002 struct lock vblank_time_lock; /**< Protects vblank count and time updates during vblank enable/disable */
1003 struct lock vbl_lock;
1004 atomic_t *vblank_refcount; /* number of users of vblank interruptsper crtc */
1005 u32 *last_vblank; /* protected by dev->vbl_lock, used */
1006 /* for wraparound handling */
1007 int *vblank_enabled; /* so we don't call enable more than
1009 int *vblank_inmodeset; /* Display driver is setting mode */
1010 u32 *last_vblank_wait; /* Last vblank seqno waited per CRTC */
1011 struct callout vblank_disable_callout;
1013 u32 max_vblank_count; /**< size of vblank counter register */
1015 struct list_head vblank_event_list;
1016 struct lock event_lock;
1018 struct drm_mode_config mode_config; /**< Current mode config */
1021 /** \name GEM information */
1023 struct spinlock object_name_lock;
1024 struct idr object_name_idr;
1028 void *sysctl_private;
1029 char busid_str[128];
1032 int switch_power_state;
1035 #define DRM_SWITCH_POWER_ON 0
1036 #define DRM_SWITCH_POWER_OFF 1
1037 #define DRM_SWITCH_POWER_CHANGING 2
1039 static __inline__ int drm_core_check_feature(struct drm_device *dev,
1042 return ((dev->driver->driver_features & feature) ? 1 : 0);
1046 static inline int drm_core_has_AGP(struct drm_device *dev)
1048 return drm_core_check_feature(dev, DRIVER_USE_AGP);
1051 #define drm_core_has_AGP(dev) (0)
1061 DMI_PRODUCT_VERSION,
1068 DMI_BOARD_ASSET_TAG,
1071 DMI_CHASSIS_VERSION,
1073 DMI_CHASSIS_ASSET_TAG,
1077 struct dmi_strmatch {
1082 struct dmi_system_id {
1083 int (*callback)(const struct dmi_system_id *);
1085 struct dmi_strmatch matches[4];
1087 #define DMI_MATCH(a, b) {(a), (b)}
1088 bool dmi_check_system(const struct dmi_system_id *);
1090 extern int drm_debug_flag;
1091 extern int drm_notyet_flag;
1092 extern unsigned int drm_vblank_offdelay;
1093 extern unsigned int drm_timestamp_precision;
1095 /* Device setup support (drm_drv.c) */
1096 int drm_probe(device_t kdev, drm_pci_id_list_t *idlist);
1097 int drm_attach(device_t kdev, drm_pci_id_list_t *idlist);
1098 int drm_create_cdevs(device_t kdev);
1099 int drm_detach(device_t kdev);
1100 d_ioctl_t drm_ioctl;
1102 d_close_t drm_close;
1104 d_kqfilter_t drm_kqfilter;
1106 d_mmap_single_t drm_mmap_single;
1107 extern drm_local_map_t *drm_getsarea(struct drm_device *dev);
1109 void drm_event_wakeup(struct drm_pending_event *e);
1111 int drm_add_busid_modesetting(struct drm_device *dev,
1112 struct sysctl_ctx_list *ctx, struct sysctl_oid *top);
1114 /* File operations helpers (drm_fops.c) */
1115 extern int drm_open_helper(struct cdev *kdev, int flags, int fmt,
1117 struct drm_device *dev);
1118 extern struct drm_file *drm_find_file_by_proc(struct drm_device *dev,
1122 extern int drm_gem_prime_handle_to_fd(struct drm_device *dev,
1123 struct drm_file *file_priv, uint32_t handle, uint32_t flags,
1125 extern int drm_gem_prime_fd_to_handle(struct drm_device *dev,
1126 struct drm_file *file_priv, int prime_fd, uint32_t *handle);
1128 extern int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data,
1129 struct drm_file *file_priv);
1130 extern int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data,
1131 struct drm_file *file_priv);
1138 extern int drm_prime_sg_to_page_addr_arrays(struct sg_table *sgt, vm_page_t *pages,
1139 dma_addr_t *addrs, int max_pages);
1140 #endif /* DUMBBELL_WIP */
1141 extern struct sg_table *drm_prime_pages_to_sg(vm_page_t *pages, int nr_pages);
1142 extern void drm_prime_gem_destroy(struct drm_gem_object *obj, struct sg_table *sg);
1145 void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv);
1146 void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv);
1147 int drm_prime_add_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t handle);
1148 int drm_prime_lookup_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t *handle);
1149 void drm_prime_remove_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf);
1151 int drm_prime_add_dma_buf(struct drm_device *dev, struct drm_gem_object *obj);
1152 int drm_prime_lookup_obj(struct drm_device *dev, struct dma_buf *buf,
1153 struct drm_gem_object **obj);
1154 #endif /* DUMBBELL_WIP */
1156 /* Memory management support (drm_memory.c) */
1157 void drm_mem_init(void);
1158 void drm_mem_uninit(void);
1159 void *drm_ioremap_wc(struct drm_device *dev, drm_local_map_t *map);
1160 void *drm_ioremap(struct drm_device *dev, drm_local_map_t *map);
1161 void drm_ioremapfree(drm_local_map_t *map);
1162 int drm_mtrr_add(unsigned long offset, size_t size, int flags);
1163 int drm_mtrr_del(int handle, unsigned long offset, size_t size, int flags);
1165 int drm_ctxbitmap_init(struct drm_device *dev);
1166 void drm_ctxbitmap_cleanup(struct drm_device *dev);
1167 void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle);
1168 int drm_ctxbitmap_next(struct drm_device *dev);
1170 /* Locking IOCTL support (drm_lock.c) */
1171 int drm_lock_take(struct drm_lock_data *lock_data,
1172 unsigned int context);
1173 int drm_lock_transfer(struct drm_lock_data *lock_data,
1174 unsigned int context);
1175 int drm_lock_free(struct drm_lock_data *lock_data,
1176 unsigned int context);
1178 /* Buffer management support (drm_bufs.c) */
1179 unsigned long drm_get_resource_start(struct drm_device *dev,
1180 unsigned int resource);
1181 unsigned long drm_get_resource_len(struct drm_device *dev,
1182 unsigned int resource);
1183 void drm_rmmap(struct drm_device *dev, drm_local_map_t *map);
1184 int drm_order(unsigned long size);
1185 int drm_addmap(struct drm_device *dev, unsigned long offset,
1187 enum drm_map_type type, enum drm_map_flags flags,
1188 drm_local_map_t **map_ptr);
1189 int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc *request);
1190 int drm_addbufs_sg(struct drm_device *dev, struct drm_buf_desc *request);
1191 int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc *request);
1193 /* DMA support (drm_dma.c) */
1194 int drm_dma_setup(struct drm_device *dev);
1195 void drm_dma_takedown(struct drm_device *dev);
1196 void drm_free_buffer(struct drm_device *dev, drm_buf_t *buf);
1197 void drm_reclaim_buffers(struct drm_device *dev, struct drm_file *file_priv);
1198 #define drm_core_reclaim_buffers drm_reclaim_buffers
1200 /* IRQ support (drm_irq.c) */
1201 int drm_irq_install(struct drm_device *dev);
1202 int drm_irq_uninstall(struct drm_device *dev);
1203 irqreturn_t drm_irq_handler(DRM_IRQ_ARGS);
1204 void drm_driver_irq_preinstall(struct drm_device *dev);
1205 void drm_driver_irq_postinstall(struct drm_device *dev);
1206 void drm_driver_irq_uninstall(struct drm_device *dev);
1208 void drm_vblank_pre_modeset(struct drm_device *dev, int crtc);
1209 void drm_vblank_post_modeset(struct drm_device *dev, int crtc);
1210 int drm_modeset_ctl(struct drm_device *dev, void *data,
1211 struct drm_file *file_priv);
1213 extern int drm_vblank_init(struct drm_device *dev, int num_crtcs);
1214 extern int drm_wait_vblank(struct drm_device *dev, void *data,
1215 struct drm_file *filp);
1216 extern int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq);
1217 extern u32 drm_vblank_count(struct drm_device *dev, int crtc);
1218 extern u32 drm_vblank_count_and_time(struct drm_device *dev, int crtc,
1219 struct timeval *vblanktime);
1220 extern bool drm_handle_vblank(struct drm_device *dev, int crtc);
1221 void drm_handle_vblank_events(struct drm_device *dev, int crtc);
1222 extern int drm_vblank_get(struct drm_device *dev, int crtc);
1223 extern void drm_vblank_put(struct drm_device *dev, int crtc);
1224 extern void drm_vblank_off(struct drm_device *dev, int crtc);
1225 extern void drm_vblank_cleanup(struct drm_device *dev);
1226 extern u32 drm_get_last_vbltimestamp(struct drm_device *dev, int crtc,
1227 struct timeval *tvblank, unsigned flags);
1228 extern int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev,
1229 int crtc, int *max_error,
1230 struct timeval *vblank_time,
1232 struct drm_crtc *refcrtc);
1233 extern void drm_calc_timestamping_constants(struct drm_crtc *crtc);
1235 struct timeval ns_to_timeval(const int64_t nsec);
1236 int64_t timeval_to_ns(const struct timeval *tv);
1238 /* AGP/PCI Express/GART support (drm_agpsupport.c) */
1239 int drm_device_is_agp(struct drm_device *dev);
1240 int drm_device_is_pcie(struct drm_device *dev);
1241 drm_agp_head_t *drm_agp_init(void);
1242 int drm_agp_acquire(struct drm_device *dev);
1243 int drm_agp_release(struct drm_device *dev);
1244 int drm_agp_info(struct drm_device * dev, struct drm_agp_info *info);
1245 int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode);
1246 void *drm_agp_allocate_memory(size_t pages, u32 type);
1247 int drm_agp_free_memory(void *handle);
1248 int drm_agp_bind_memory(void *handle, off_t start);
1249 int drm_agp_unbind_memory(void *handle);
1250 int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request);
1251 int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request);
1252 int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request);
1253 int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request);
1255 /* Scatter Gather Support (drm_scatter.c) */
1256 void drm_sg_cleanup(drm_sg_mem_t *entry);
1257 int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request);
1259 /* sysctl support (drm_sysctl.h) */
1260 extern int drm_sysctl_init(struct drm_device *dev);
1261 extern int drm_sysctl_cleanup(struct drm_device *dev);
1263 /* ATI PCIGART support (ati_pcigart.c) */
1264 int drm_ati_pcigart_init(struct drm_device *dev,
1265 struct drm_ati_pcigart_info *gart_info);
1266 int drm_ati_pcigart_cleanup(struct drm_device *dev,
1267 struct drm_ati_pcigart_info *gart_info);
1269 /* Cache management (drm_memory.c) */
1270 void drm_clflush_pages(vm_page_t *pages, unsigned long num_pages);
1272 /* Locking IOCTL support (drm_drv.c) */
1273 int drm_lock(struct drm_device *dev, void *data,
1274 struct drm_file *file_priv);
1275 int drm_unlock(struct drm_device *dev, void *data,
1276 struct drm_file *file_priv);
1277 int drm_version(struct drm_device *dev, void *data,
1278 struct drm_file *file_priv);
1279 int drm_setversion(struct drm_device *dev, void *data,
1280 struct drm_file *file_priv);
1282 /* Misc. IOCTL support (drm_ioctl.c) */
1283 int drm_irq_by_busid(struct drm_device *dev, void *data,
1284 struct drm_file *file_priv);
1285 int drm_getunique(struct drm_device *dev, void *data,
1286 struct drm_file *file_priv);
1287 int drm_setunique(struct drm_device *dev, void *data,
1288 struct drm_file *file_priv);
1289 int drm_getmap(struct drm_device *dev, void *data,
1290 struct drm_file *file_priv);
1291 int drm_getclient(struct drm_device *dev, void *data,
1292 struct drm_file *file_priv);
1293 int drm_getstats(struct drm_device *dev, void *data,
1294 struct drm_file *file_priv);
1295 int drm_getcap(struct drm_device *dev, void *data,
1296 struct drm_file *file_priv);
1297 int drm_noop(struct drm_device *dev, void *data,
1298 struct drm_file *file_priv);
1300 /* Context IOCTL support (drm_context.c) */
1301 int drm_resctx(struct drm_device *dev, void *data,
1302 struct drm_file *file_priv);
1303 int drm_addctx(struct drm_device *dev, void *data,
1304 struct drm_file *file_priv);
1305 int drm_modctx(struct drm_device *dev, void *data,
1306 struct drm_file *file_priv);
1307 int drm_getctx(struct drm_device *dev, void *data,
1308 struct drm_file *file_priv);
1309 int drm_switchctx(struct drm_device *dev, void *data,
1310 struct drm_file *file_priv);
1311 int drm_newctx(struct drm_device *dev, void *data,
1312 struct drm_file *file_priv);
1313 int drm_rmctx(struct drm_device *dev, void *data,
1314 struct drm_file *file_priv);
1315 int drm_setsareactx(struct drm_device *dev, void *data,
1316 struct drm_file *file_priv);
1317 int drm_getsareactx(struct drm_device *dev, void *data,
1318 struct drm_file *file_priv);
1320 /* Drawable IOCTL support (drm_drawable.c) */
1321 int drm_adddraw(struct drm_device *dev, void *data,
1322 struct drm_file *file_priv);
1323 int drm_rmdraw(struct drm_device *dev, void *data,
1324 struct drm_file *file_priv);
1325 int drm_update_draw(struct drm_device *dev, void *data,
1326 struct drm_file *file_priv);
1327 struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev,
1330 /* Drawable support (drm_drawable.c) */
1331 void drm_drawable_free_all(struct drm_device *dev);
1333 /* Authentication IOCTL support (drm_auth.c) */
1334 int drm_getmagic(struct drm_device *dev, void *data,
1335 struct drm_file *file_priv);
1336 int drm_authmagic(struct drm_device *dev, void *data,
1337 struct drm_file *file_priv);
1339 /* Buffer management support (drm_bufs.c) */
1340 int drm_addmap_ioctl(struct drm_device *dev, void *data,
1341 struct drm_file *file_priv);
1342 int drm_rmmap_ioctl(struct drm_device *dev, void *data,
1343 struct drm_file *file_priv);
1344 int drm_addbufs(struct drm_device *dev, void *data,
1345 struct drm_file *file_priv);
1346 int drm_infobufs(struct drm_device *dev, void *data,
1347 struct drm_file *file_priv);
1348 int drm_markbufs(struct drm_device *dev, void *data,
1349 struct drm_file *file_priv);
1350 int drm_freebufs(struct drm_device *dev, void *data,
1351 struct drm_file *file_priv);
1352 int drm_mapbufs(struct drm_device *dev, void *data,
1353 struct drm_file *file_priv);
1355 /* DMA support (drm_dma.c) */
1356 int drm_dma(struct drm_device *dev, void *data, struct drm_file *file_priv);
1358 /* IRQ support (drm_irq.c) */
1359 int drm_control(struct drm_device *dev, void *data,
1360 struct drm_file *file_priv);
1362 /* AGP/GART support (drm_agpsupport.c) */
1363 int drm_agp_acquire_ioctl(struct drm_device *dev, void *data,
1364 struct drm_file *file_priv);
1365 int drm_agp_release_ioctl(struct drm_device *dev, void *data,
1366 struct drm_file *file_priv);
1367 int drm_agp_enable_ioctl(struct drm_device *dev, void *data,
1368 struct drm_file *file_priv);
1369 int drm_agp_info_ioctl(struct drm_device *dev, void *data,
1370 struct drm_file *file_priv);
1371 int drm_agp_alloc_ioctl(struct drm_device *dev, void *data,
1372 struct drm_file *file_priv);
1373 int drm_agp_free_ioctl(struct drm_device *dev, void *data,
1374 struct drm_file *file_priv);
1375 int drm_agp_unbind_ioctl(struct drm_device *dev, void *data,
1376 struct drm_file *file_priv);
1377 int drm_agp_bind_ioctl(struct drm_device *dev, void *data,
1378 struct drm_file *file_priv);
1380 /* Stub support (drm_stub.h) */
1381 extern int drm_setmaster_ioctl(struct drm_device *dev, void *data,
1382 struct drm_file *file_priv);
1383 extern int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
1384 struct drm_file *file_priv);
1386 /* Scatter Gather Support (drm_scatter.c) */
1387 int drm_sg_alloc_ioctl(struct drm_device *dev, void *data,
1388 struct drm_file *file_priv);
1389 int drm_sg_free(struct drm_device *dev, void *data,
1390 struct drm_file *file_priv);
1392 /* consistent PCI memory functions (drm_pci.c) */
1393 drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size,
1394 size_t align, dma_addr_t maxaddr);
1395 void drm_pci_free(struct drm_device *dev, drm_dma_handle_t *dmah);
1397 /* Graphics Execution Manager library functions (drm_gem.c) */
1398 int drm_gem_init(struct drm_device *dev);
1399 void drm_gem_destroy(struct drm_device *dev);
1400 void drm_gem_object_release(struct drm_gem_object *obj);
1401 void drm_gem_object_free(struct kref *kref);
1403 int drm_gem_close_ioctl(struct drm_device *dev, void *data,
1404 struct drm_file *file_priv);
1405 int drm_gem_flink_ioctl(struct drm_device *dev, void *data,
1406 struct drm_file *file_priv);
1407 int drm_gem_open_ioctl(struct drm_device *dev, void *data,
1408 struct drm_file *file_priv);
1409 void drm_gem_object_handle_free(struct drm_gem_object *obj);
1411 #include <drm/drm_global.h>
1414 drm_gem_object_reference(struct drm_gem_object *obj)
1416 kref_get(&obj->refcount);
1420 drm_gem_object_unreference(struct drm_gem_object *obj)
1423 kref_put(&obj->refcount, drm_gem_object_free);
1427 drm_gem_object_unreference_unlocked(struct drm_gem_object *obj)
1430 struct drm_device *dev = obj->dev;
1432 kref_put(&obj->refcount, drm_gem_object_free);
1437 int drm_gem_handle_create(struct drm_file *file_priv,
1438 struct drm_gem_object *obj,
1440 int drm_gem_handle_delete(struct drm_file *filp, u32 handle);
1443 drm_gem_object_handle_reference(struct drm_gem_object *obj)
1445 drm_gem_object_reference(obj);
1446 atomic_inc(&obj->handle_count);
1450 drm_gem_object_handle_unreference(struct drm_gem_object *obj)
1455 if (atomic_read(&obj->handle_count) == 0)
1458 * Must bump handle count first as this may be the last
1459 * ref, in which case the object would disappear before we
1460 * checked for a name
1462 if (atomic_dec_and_test(&obj->handle_count))
1463 drm_gem_object_handle_free(obj);
1464 drm_gem_object_unreference(obj);
1468 drm_gem_object_handle_unreference_unlocked(struct drm_gem_object *obj)
1473 if (atomic_read(&obj->handle_count) == 0)
1477 * Must bump handle count first as this may be the last
1478 * ref, in which case the object would disappear before we
1479 * checked for a name
1482 if (atomic_dec_and_test(&obj->handle_count))
1483 drm_gem_object_handle_free(obj);
1484 drm_gem_object_unreference_unlocked(obj);
1487 int drm_gem_object_init(struct drm_device *dev, struct drm_gem_object *obj,
1489 int drm_gem_private_object_init(struct drm_device *dev,
1490 struct drm_gem_object *obj, size_t size);
1491 struct drm_gem_object *drm_gem_object_alloc(struct drm_device *dev,
1493 struct drm_gem_object *drm_gem_object_lookup(struct drm_device *dev,
1494 struct drm_file *file_priv, uint32_t handle);
1496 void drm_gem_open(struct drm_device *dev, struct drm_file *file_priv);
1497 void drm_gem_release(struct drm_device *dev, struct drm_file *file_priv);
1499 int drm_gem_create_mmap_offset(struct drm_gem_object *obj);
1500 void drm_gem_free_mmap_offset(struct drm_gem_object *obj);
1501 int drm_gem_mmap_single(struct drm_device *dev, vm_ooffset_t *offset,
1502 vm_size_t size, struct vm_object **obj_res, int nprot);
1503 void drm_gem_pager_dtr(void *obj);
1505 struct ttm_bo_device;
1506 int ttm_bo_mmap_single(struct ttm_bo_device *bdev, vm_ooffset_t *offset,
1507 vm_size_t size, struct vm_object **obj_res, int nprot);
1508 struct ttm_buffer_object;
1509 void ttm_bo_release_mmap(struct ttm_buffer_object *bo);
1511 void drm_device_lock_mtx(struct drm_device *dev);
1512 void drm_device_unlock_mtx(struct drm_device *dev);
1513 int drm_device_sleep_mtx(struct drm_device *dev, void *chan, int flags,
1514 const char *msg, int timeout);
1515 void drm_device_assert_mtx_locked(struct drm_device *dev);
1516 void drm_device_assert_mtx_unlocked(struct drm_device *dev);
1518 void drm_device_lock_struct(struct drm_device *dev);
1519 void drm_device_unlock_struct(struct drm_device *dev);
1520 int drm_device_sleep_struct(struct drm_device *dev, void *chan, int flags,
1521 const char *msg, int timeout);
1522 void drm_device_assert_struct_locked(struct drm_device *dev);
1523 void drm_device_assert_struct_unlocked(struct drm_device *dev);
1525 void drm_compat_locking_init(struct drm_device *dev);
1526 void drm_sleep_locking_init(struct drm_device *dev);
1529 bool drm_mode_parse_command_line_for_connector(const char *mode_option,
1530 struct drm_connector *connector, struct drm_cmdline_mode *mode);
1531 struct drm_display_mode *drm_mode_create_from_cmdline_mode(
1532 struct drm_device *dev, struct drm_cmdline_mode *cmd);
1535 u8 *drm_find_cea_extension(struct edid *edid);
1537 /* Inline replacements for drm_alloc and friends */
1538 static __inline__ void *
1539 drm_alloc(size_t size, struct malloc_type *area)
1541 return kmalloc(size, area, M_NOWAIT);
1544 static __inline__ void *
1545 drm_calloc(size_t nmemb, size_t size, struct malloc_type *area)
1547 return kmalloc(size * nmemb, area, M_NOWAIT | M_ZERO);
1550 static __inline__ void *
1551 drm_realloc(void *oldpt, size_t oldsize, size_t size,
1552 struct malloc_type *area)
1555 res = krealloc(oldpt, size, area, M_NOWAIT);
1556 if (res == NULL && oldpt != NULL)
1561 static __inline__ void
1562 drm_free(void *pt, struct malloc_type *area)
1568 /* Inline replacements for DRM_IOREMAP macros */
1569 static __inline__ void
1570 drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev)
1572 map->virtual = drm_ioremap_wc(dev, map);
1574 static __inline__ void
1575 drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev)
1577 map->virtual = drm_ioremap(dev, map);
1579 static __inline__ void
1580 drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev)
1582 if ( map->virtual && map->size )
1583 drm_ioremapfree(map);
1586 static __inline__ struct drm_local_map *
1587 drm_core_findmap(struct drm_device *dev, unsigned long offset)
1589 struct drm_map_list *_entry;
1591 list_for_each_entry(_entry, &dev->maplist, head) {
1592 if (offset == (unsigned long)_entry->map->handle)
1598 static __inline__ void drm_core_dropmap(struct drm_map *map)
1602 /* FreeBSD compatibility macros */
1603 #define PROC_LOCK(p)
1604 #define PROC_UNLOCK(p)
1606 #define VM_OBJECT_RLOCK(object) VM_OBJECT_LOCK(object)
1607 #define VM_OBJECT_RUNLOCK(object) VM_OBJECT_UNLOCK(object)
1608 #define VM_OBJECT_WLOCK(object) VM_OBJECT_LOCK(object)
1609 #define VM_OBJECT_WUNLOCK(object) VM_OBJECT_UNLOCK(object)
1611 #define CTR2(one,two,three,four)
1613 #define DRM_PCIE_SPEED_25 1
1614 #define DRM_PCIE_SPEED_50 2
1615 #define DRM_PCIE_SPEED_80 4
1617 extern int drm_pcie_get_speed_cap_mask(struct drm_device *dev, u32 *speed_mask);
1619 #define drm_can_sleep() (DRM_HZ & 1)
1621 #endif /* __KERNEL__ */
1622 #endif /* _DRM_P_H_ */