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.
35 #include <sys/cdefs.h>
36 __FBSDID("$FreeBSD$");
41 #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>
51 #include <sys/sglist.h>
56 #include <sys/fcntl.h>
58 #include <sys/filio.h>
59 #include <sys/rwlock.h>
60 #include <sys/selinfo.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 <vm/vm_phys.h>
79 #include <machine/param.h>
80 #include <machine/pmap.h>
81 #include <machine/bus.h>
82 #include <machine/resource.h>
83 #if defined(__i386__) || defined(__amd64__)
84 #include <machine/specialreg.h>
86 #include <machine/sysarch.h>
87 #include <sys/endian.h>
90 #include <sys/memrange.h>
91 #include <dev/agp/agpvar.h>
92 #include <sys/agpio.h>
93 #include <sys/mutex.h>
94 #include <dev/pci/pcivar.h>
95 #include <dev/pci/pcireg.h>
96 #include <sys/selinfo.h>
99 #include <dev/drm2/drm.h>
100 #include <dev/drm2/drm_sarea.h>
102 #include <dev/drm2/drm_atomic.h>
103 #include <dev/drm2/drm_internal.h>
104 #include <dev/drm2/drm_linux_list.h>
105 #include <dev/drm2/drm_gem_names.h>
110 #include <dev/drm2/drm_os_freebsd.h>
111 #include <dev/drm2/drm_hashtab.h>
112 #include <dev/drm2/drm_mm.h>
114 #include "opt_compat.h"
116 #include "opt_syscons.h"
119 #define DRM_DEBUG_DEFAULT_ON 1
120 #endif /* DRM_DEBUG */
122 #define DRM_DEBUGBITS_DEBUG 0x1
123 #define DRM_DEBUGBITS_KMS 0x2
124 #define DRM_DEBUGBITS_FAILED_IOCTL 0x4
129 /***********************************************************************/
130 /** \name DRM template customization defaults */
133 /* driver capabilities and requirements mask */
134 #define DRIVER_USE_AGP 0x1
135 #define DRIVER_REQUIRE_AGP 0x2
136 #define DRIVER_USE_MTRR 0x4
137 #define DRIVER_PCI_DMA 0x8
138 #define DRIVER_SG 0x10
139 #define DRIVER_HAVE_DMA 0x20
140 #define DRIVER_HAVE_IRQ 0x40
141 #define DRIVER_IRQ_SHARED 0x80
142 #define DRIVER_IRQ_VBL 0x100
143 #define DRIVER_DMA_QUEUE 0x200
144 #define DRIVER_FB_DMA 0x400
145 #define DRIVER_IRQ_VBL2 0x800
146 #define DRIVER_GEM 0x1000
147 #define DRIVER_MODESET 0x2000
148 #define DRIVER_PRIME 0x4000
149 #define DRIVER_LOCKLESS_IRQ 0x8000
152 #define DRM_HASH_SIZE 16 /* Size of key hash table */
153 #define DRM_KERNEL_CONTEXT 0 /* Change drm_resctx if changed */
154 #define DRM_RESERVED_CONTEXTS 1 /* Change drm_resctx if changed */
156 #define DRM_GEM_MAPPING_MASK (3ULL << 62)
157 #define DRM_GEM_MAPPING_KEY (2ULL << 62) /* Non-canonical address form */
158 #define DRM_GEM_MAX_IDX 0x3fffff
159 #define DRM_GEM_MAPPING_IDX(o) (((o) >> 40) & DRM_GEM_MAX_IDX)
160 #define DRM_GEM_MAPPING_OFF(i) (((uint64_t)(i)) << 40)
161 #define DRM_GEM_MAPPING_MAPOFF(o) \
162 ((o) & ~(DRM_GEM_MAPPING_OFF(DRM_GEM_MAX_IDX) | DRM_GEM_MAPPING_KEY))
164 MALLOC_DECLARE(DRM_MEM_DMA);
165 MALLOC_DECLARE(DRM_MEM_SAREA);
166 MALLOC_DECLARE(DRM_MEM_DRIVER);
167 MALLOC_DECLARE(DRM_MEM_MAGIC);
168 MALLOC_DECLARE(DRM_MEM_IOCTLS);
169 MALLOC_DECLARE(DRM_MEM_MAPS);
170 MALLOC_DECLARE(DRM_MEM_BUFS);
171 MALLOC_DECLARE(DRM_MEM_SEGS);
172 MALLOC_DECLARE(DRM_MEM_PAGES);
173 MALLOC_DECLARE(DRM_MEM_FILES);
174 MALLOC_DECLARE(DRM_MEM_QUEUES);
175 MALLOC_DECLARE(DRM_MEM_CMDS);
176 MALLOC_DECLARE(DRM_MEM_MAPPINGS);
177 MALLOC_DECLARE(DRM_MEM_BUFLISTS);
178 MALLOC_DECLARE(DRM_MEM_AGPLISTS);
179 MALLOC_DECLARE(DRM_MEM_CTXBITMAP);
180 MALLOC_DECLARE(DRM_MEM_SGLISTS);
181 MALLOC_DECLARE(DRM_MEM_DRAWABLE);
182 MALLOC_DECLARE(DRM_MEM_MM);
183 MALLOC_DECLARE(DRM_MEM_HASHTAB);
184 MALLOC_DECLARE(DRM_MEM_KMS);
186 SYSCTL_DECL(_hw_drm);
188 #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8)
190 /***********************************************************************/
191 /** \name Internal types and structures */
194 #define DRM_ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))
195 #define DRM_MIN(a,b) ((a)<(b)?(a):(b))
196 #define DRM_MAX(a,b) ((a)>(b)?(a):(b))
198 #define DRM_IF_VERSION(maj, min) (maj << 16 | min)
200 #define __OS_HAS_AGP 1
202 #define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP)
203 #define DRM_DEV_UID 0
204 #define DRM_DEV_GID 0
206 #define wait_queue_head_t atomic_t
207 #define DRM_WAKEUP(w) wakeup((void *)w)
208 #define DRM_WAKEUP_INT(w) wakeup(w)
209 #define DRM_INIT_WAITQUEUE(queue) do {(void)(queue);} while (0)
211 #define DRM_CURPROC curthread
212 #define DRM_STRUCTPROC struct thread
213 #define DRM_SPINTYPE struct mtx
214 #define DRM_SPININIT(l,name) mtx_init(l, name, NULL, MTX_DEF)
215 #define DRM_SPINUNINIT(l) mtx_destroy(l)
216 #define DRM_SPINLOCK(l) mtx_lock(l)
217 #define DRM_SPINUNLOCK(u) mtx_unlock(u)
218 #define DRM_SPINLOCK_IRQSAVE(l, irqflags) do { \
222 #define DRM_SPINUNLOCK_IRQRESTORE(u, irqflags) mtx_unlock(u)
223 #define DRM_SPINLOCK_ASSERT(l) mtx_assert(l, MA_OWNED)
224 #define DRM_CURRENTPID curthread->td_proc->p_pid
225 #define DRM_LOCK(dev) sx_xlock(&(dev)->dev_struct_lock)
226 #define DRM_UNLOCK(dev) sx_xunlock(&(dev)->dev_struct_lock)
227 #define DRM_LOCK_SLEEP(dev, chan, flags, msg, timeout) \
228 (sx_sleep((chan), &(dev)->dev_struct_lock, (flags), (msg), (timeout)))
229 #if defined(INVARIANTS)
230 #define DRM_LOCK_ASSERT(dev) sx_assert(&(dev)->dev_struct_lock, SA_XLOCKED)
231 #define DRM_UNLOCK_ASSERT(dev) sx_assert(&(dev)->dev_struct_lock, SA_UNLOCKED)
233 #define DRM_LOCK_ASSERT(d)
234 #define DRM_UNLOCK_ASSERT(d)
237 #define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS)
239 #define DRM_IRQ_ARGS void *arg
240 typedef void irqreturn_t;
241 #define IRQ_HANDLED /* nothing */
242 #define IRQ_NONE /* nothing */
249 #define DRM_AGP_MEM struct agp_memory_info
251 #define drm_get_device_from_kdev(_kdev) (_kdev->si_drv1)
253 #define PAGE_ALIGN(addr) round_page(addr)
254 /* DRM_SUSER returns true if the user is superuser */
255 #define DRM_SUSER(p) (priv_check(p, PRIV_DRIVER) == 0)
256 #define DRM_AGP_FIND_DEVICE() agp_find_device()
257 #define DRM_MTRR_WC MDF_WRITECOMBINE
258 #define jiffies ticks
259 #define jiffies_to_msecs(x) (((int64_t)(x)) * 1000 / hz)
260 #define msecs_to_jiffies(x) (((int64_t)(x)) * hz / 1000)
261 #define time_after(a,b) ((long)(b) - (long)(a) < 0)
262 #define time_after_eq(a,b) ((long)(b) - (long)(a) <= 0)
263 #define drm_msleep(x, msg) pause((msg), ((int64_t)(x)) * hz / 1000)
265 /* DRM_READMEMORYBARRIER() prevents reordering of reads.
266 * DRM_WRITEMEMORYBARRIER() prevents reordering of writes.
267 * DRM_MEMORYBARRIER() prevents reordering of reads and writes.
269 #define DRM_READMEMORYBARRIER() rmb()
270 #define DRM_WRITEMEMORYBARRIER() wmb()
271 #define DRM_MEMORYBARRIER() mb()
273 #define DRM_READ8(map, offset) \
274 *(volatile u_int8_t *)(((vm_offset_t)(map)->virtual) + \
275 (vm_offset_t)(offset))
276 #define DRM_READ16(map, offset) \
277 le16toh(*(volatile u_int16_t *)(((vm_offset_t)(map)->virtual) + \
278 (vm_offset_t)(offset)))
279 #define DRM_READ32(map, offset) \
280 le32toh(*(volatile u_int32_t *)(((vm_offset_t)(map)->virtual) + \
281 (vm_offset_t)(offset)))
282 #define DRM_READ64(map, offset) \
283 le64toh(*(volatile u_int64_t *)(((vm_offset_t)(map)->virtual) + \
284 (vm_offset_t)(offset)))
285 #define DRM_WRITE8(map, offset, val) \
286 *(volatile u_int8_t *)(((vm_offset_t)(map)->virtual) + \
287 (vm_offset_t)(offset)) = val
288 #define DRM_WRITE16(map, offset, val) \
289 *(volatile u_int16_t *)(((vm_offset_t)(map)->virtual) + \
290 (vm_offset_t)(offset)) = htole16(val)
291 #define DRM_WRITE32(map, offset, val) \
292 *(volatile u_int32_t *)(((vm_offset_t)(map)->virtual) + \
293 (vm_offset_t)(offset)) = htole32(val)
294 #define DRM_WRITE64(map, offset, val) \
295 *(volatile u_int64_t *)(((vm_offset_t)(map)->virtual) + \
296 (vm_offset_t)(offset)) = htole64(val)
298 #define DRM_VERIFYAREA_READ( uaddr, size ) \
299 (!useracc(__DECONST(caddr_t, uaddr), size, VM_PROT_READ))
301 #define DRM_COPY_TO_USER(user, kern, size) \
302 copyout(kern, user, size)
303 #define DRM_COPY_FROM_USER(kern, user, size) \
304 copyin(user, kern, size)
305 #define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \
306 copyin(arg2, arg1, arg3)
307 #define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \
308 copyout(arg2, arg1, arg3)
309 #define DRM_GET_USER_UNCHECKED(val, uaddr) \
310 ((val) = fuword32(uaddr), 0)
312 #define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \
313 (_map) = (_dev)->context_sareas[_ctx]; \
316 #define LOCK_TEST_WITH_RETURN(dev, file_priv) \
318 if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \
319 dev->lock.file_priv != file_priv) { \
320 DRM_ERROR("%s called without lock held\n", \
326 /* Returns -errno to shared code */
327 #define DRM_WAIT_ON( ret, queue, timeout, condition ) \
328 for ( ret = 0 ; !ret && !(condition) ; ) { \
330 mtx_lock(&dev->irq_lock); \
332 ret = -mtx_sleep(&(queue), &dev->irq_lock, \
333 PCATCH, "drmwtq", (timeout)); \
334 mtx_unlock(&dev->irq_lock); \
338 #define DRM_ERROR(fmt, ...) \
339 printf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt, \
340 DRM_CURRENTPID, __func__ , ##__VA_ARGS__)
342 #define DRM_INFO(fmt, ...) printf("info: [" DRM_NAME "] " fmt , ##__VA_ARGS__)
344 #define DRM_DEBUG(fmt, ...) do { \
345 if ((drm_debug_flag & DRM_DEBUGBITS_DEBUG) != 0) \
346 printf("[" DRM_NAME ":pid%d:%s] " fmt, DRM_CURRENTPID, \
347 __func__ , ##__VA_ARGS__); \
350 #define DRM_DEBUG_KMS(fmt, ...) do { \
351 if ((drm_debug_flag & DRM_DEBUGBITS_KMS) != 0) \
352 printf("[" DRM_NAME ":KMS:pid%d:%s] " fmt, DRM_CURRENTPID,\
353 __func__ , ##__VA_ARGS__); \
356 #define DRM_DEBUG_DRIVER(fmt, ...) do { \
357 if ((drm_debug_flag & DRM_DEBUGBITS_KMS) != 0) \
358 printf("[" DRM_NAME ":KMS:pid%d:%s] " fmt, DRM_CURRENTPID,\
359 __func__ , ##__VA_ARGS__); \
362 #define dev_err(dev, fmt, ...) \
363 device_printf((dev), "error: " fmt, ## __VA_ARGS__)
364 #define dev_warn(dev, fmt, ...) \
365 device_printf((dev), "warning: " fmt, ## __VA_ARGS__)
366 #define dev_info(dev, fmt, ...) \
367 device_printf((dev), "info: " fmt, ## __VA_ARGS__)
368 #define dev_dbg(dev, fmt, ...) do { \
369 if ((drm_debug_flag& DRM_DEBUGBITS_KMS) != 0) { \
370 device_printf((dev), "debug: " fmt, ## __VA_ARGS__); \
374 typedef struct drm_pci_id_list
382 struct drm_msi_blacklist_entry
389 #define DRM_MASTER 0x2
390 #define DRM_ROOT_ONLY 0x4
391 #define DRM_CONTROL_ALLOW 0x8
392 #define DRM_UNLOCKED 0x10
394 typedef struct drm_ioctl_desc {
396 int (*func)(struct drm_device *dev, void *data,
397 struct drm_file *file_priv);
399 unsigned int cmd_drv;
403 * Creates a driver or general drm_ioctl_desc array entry for the given
404 * ioctl, for use by drm_ioctl().
406 #define DRM_IOCTL_DEF(ioctl, func, flags) \
407 [DRM_IOCTL_NR(ioctl)] = {ioctl, func, flags}
409 #define DRM_IOCTL_DEF_DRV(ioctl, _func, _flags) \
410 [DRM_IOCTL_NR(DRM_##ioctl)] = {.cmd = DRM_##ioctl, .func = _func, .flags = _flags, .cmd_drv = DRM_IOCTL_##ioctl}
412 typedef struct drm_magic_entry {
414 struct drm_file *priv;
415 struct drm_magic_entry *next;
418 typedef struct drm_magic_head {
419 struct drm_magic_entry *head;
420 struct drm_magic_entry *tail;
423 typedef struct drm_buf {
424 int idx; /**< Index into master buflist */
425 int total; /**< Buffer size */
426 int order; /**< log-base-2(total) */
427 int used; /**< Amount of buffer in use (for DMA) */
428 unsigned long offset; /**< Byte offset (used internally) */
429 void *address; /**< Address of buffer */
430 unsigned long bus_address; /**< Bus address of buffer */
431 struct drm_buf *next; /**< Kernel-only: used for free list */
432 __volatile__ int waiting; /**< On kernel DMA queue */
433 __volatile__ int pending; /**< On hardware DMA queue */
434 struct drm_file *file_priv; /**< Private of holding file descr */
435 int context; /**< Kernel queue for this buffer */
436 int while_locked; /**< Dispatch this buffer while locked */
444 } list; /**< Which list we're on */
446 int dev_priv_size; /**< Size of buffer private storage */
447 void *dev_private; /**< Per-buffer private storage */
450 typedef struct drm_freelist {
451 int initialized; /* Freelist in use */
452 atomic_t count; /* Number of free buffers */
453 drm_buf_t *next; /* End pointer */
455 int low_mark; /* Low water mark */
456 int high_mark; /* High water mark */
459 typedef struct drm_dma_handle {
466 typedef struct drm_buf_entry {
471 drm_dma_handle_t **seglist;
474 drm_freelist_t freelist;
477 /* Event queued up for userspace to read */
478 struct drm_pending_event {
479 struct drm_event *event;
480 struct list_head link;
481 struct drm_file *file_priv;
482 pid_t pid; /* pid of requester, no guarantee it's valid by the time
483 we deliver the event, for tracing only */
484 void (*destroy)(struct drm_pending_event *event);
487 /* initial implementaton using a linked list - todo hashtab */
488 struct drm_prime_file_private {
489 struct list_head head;
492 #endif /* DUMBBELL_WIP */
495 typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t;
497 TAILQ_ENTRY(drm_file) link;
498 struct drm_device *dev;
504 unsigned long ioctl_count;
507 struct drm_gem_names object_names;
510 struct drm_master *masterp;
512 struct list_head fbs;
514 struct list_head event_list;
516 struct selinfo event_poll;
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 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)
584 typedef TAILQ_HEAD(drm_map_list, drm_local_map) drm_map_list_t;
586 typedef struct drm_local_map {
587 unsigned long offset; /* Physical address (0 for SAREA) */
588 unsigned long size; /* Physical size (bytes) */
589 enum drm_map_type type; /* Type of memory mapped */
590 enum drm_map_flags flags; /* Flags */
591 void *handle; /* User-space: "Handle" to pass to mmap */
592 /* Kernel-space: kernel-virtual address */
593 int mtrr; /* Boolean: MTRR used */
595 int rid; /* PCI resource ID for bus_space */
596 void *virtual; /* Kernel-space: kernel-virtual address */
597 struct resource *bsr;
599 bus_space_handle_t bsh;
600 drm_dma_handle_t *dmah;
601 TAILQ_ENTRY(drm_local_map) link;
604 struct drm_vblank_info {
605 wait_queue_head_t queue; /* vblank wait queue */
606 atomic_t count; /* number of VBLANK interrupts */
607 /* (driver must alloc the right number of counters) */
608 atomic_t refcount; /* number of users of vblank interrupts */
609 u32 last; /* protected by dev->vbl_lock, used */
610 /* for wraparound handling */
611 int enabled; /* so we don't call enable more than */
612 /* once per disable */
613 int inmodeset; /* Display driver is setting mode */
616 /* location of GART table */
617 #define DRM_ATI_GART_MAIN 1
618 #define DRM_ATI_GART_FB 2
620 #define DRM_ATI_GART_PCI 1
621 #define DRM_ATI_GART_PCIE 2
622 #define DRM_ATI_GART_IGP 3
624 struct drm_ati_pcigart_info {
625 int gart_table_location;
629 dma_addr_t table_mask;
630 dma_addr_t member_mask;
631 struct drm_dma_handle *table_handle;
632 drm_local_map_t mapping;
634 struct drm_dma_handle *dmah; /* handle for ATI PCIGART table */
637 typedef vm_paddr_t resource_size_t;
640 * GEM specific mm private for tracking GEM objects
643 struct drm_open_hash offset_hash; /**< User token hash table for maps */
644 struct unrhdr *idxunr;
647 struct drm_gem_object {
648 /** Reference count of this object */
651 /** Handle count of this object. Each handle also holds a reference */
652 u_int handle_count; /* number of handles on this object */
654 /** Related drm device */
655 struct drm_device *dev;
657 /** File representing the shmem storage: filp in Linux parlance */
661 struct drm_hash_item map_list;
664 * Size of the object, in bytes. Immutable over the object's
670 * Global name for this object, starts at 1. 0 means unnamed.
671 * Access is covered by the object_name_lock in the related drm_device
676 * Memory domains. These monitor which caches contain read/write data
677 * related to the object. When transitioning from one set of domains
678 * to another, the driver is called to ensure that caches are suitably
679 * flushed and invalidated
681 uint32_t read_domains;
682 uint32_t write_domain;
685 * While validating an exec operation, the
686 * new read/write domain values are computed here.
687 * They will be transferred to the above values
688 * at the point that any cache flushing occurs
690 uint32_t pending_read_domains;
691 uint32_t pending_write_domain;
693 void *driver_private;
696 /* dma buf exported from this GEM object */
697 struct dma_buf *export_dma_buf;
699 /* dma buf attachment backing this object */
700 struct dma_buf_attachment *import_attach;
701 #endif /* DUMBBELL_WIP */
704 #include "drm_crtc.h"
706 /* per-master structure */
709 u_int refcount; /* refcount for this master */
711 struct list_head head; /**< each minor contains a list of masters */
712 struct drm_minor *minor; /**< link back to minor we are a master for */
714 char *unique; /**< Unique identifier: e.g., busid */
715 int unique_len; /**< Length of unique field */
716 int unique_size; /**< amount allocated */
718 int blocked; /**< Blocked due to VC switch? */
720 /** \name Authentication */
722 struct drm_open_hash magiclist;
723 struct list_head magicfree;
726 struct drm_lock_data lock; /**< Information on hardware lock */
728 void *driver_priv; /**< Private structure for driver to use */
731 /* Size of ringbuffer for vblank timestamps. Just double-buffer
732 * in initial implementation.
734 #define DRM_VBLANKTIME_RBSIZE 2
736 /* Flags and return codes for get_vblank_timestamp() driver function. */
737 #define DRM_CALLED_FROM_VBLIRQ 1
738 #define DRM_VBLANKTIME_SCANOUTPOS_METHOD (1 << 0)
739 #define DRM_VBLANKTIME_INVBL (1 << 1)
741 /* get_scanout_position() return flags */
742 #define DRM_SCANOUTPOS_VALID (1 << 0)
743 #define DRM_SCANOUTPOS_INVBL (1 << 1)
744 #define DRM_SCANOUTPOS_ACCURATE (1 << 2)
747 #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : (1ULL<<(n)) - 1)
750 #define upper_32_bits(n) ((u32)(((n) >> 16) >> 16))
752 struct drm_driver_info {
753 int (*load)(struct drm_device *, unsigned long flags);
754 int (*use_msi)(struct drm_device *, unsigned long flags);
755 int (*firstopen)(struct drm_device *);
756 int (*open)(struct drm_device *, struct drm_file *);
757 void (*preclose)(struct drm_device *, struct drm_file *file_priv);
758 void (*postclose)(struct drm_device *, struct drm_file *);
759 void (*lastclose)(struct drm_device *);
760 int (*unload)(struct drm_device *);
761 void (*reclaim_buffers_locked)(struct drm_device *,
762 struct drm_file *file_priv);
763 int (*dma_ioctl)(struct drm_device *dev, void *data,
764 struct drm_file *file_priv);
765 void (*dma_ready)(struct drm_device *);
766 int (*dma_quiescent)(struct drm_device *);
767 int (*dma_flush_block_and_flush)(struct drm_device *, int context,
768 enum drm_lock_flags flags);
769 int (*dma_flush_unblock)(struct drm_device *, int context,
770 enum drm_lock_flags flags);
771 int (*context_ctor)(struct drm_device *dev, int context);
772 int (*context_dtor)(struct drm_device *dev, int context);
773 int (*kernel_context_switch)(struct drm_device *dev, int old,
775 int (*kernel_context_switch_unlock)(struct drm_device *dev);
776 void (*irq_preinstall)(struct drm_device *dev);
777 int (*irq_postinstall)(struct drm_device *dev);
778 void (*irq_uninstall)(struct drm_device *dev);
779 void (*irq_handler)(DRM_IRQ_ARGS);
781 u32 (*get_vblank_counter)(struct drm_device *dev, int crtc);
782 int (*enable_vblank)(struct drm_device *dev, int crtc);
783 void (*disable_vblank)(struct drm_device *dev, int crtc);
784 int (*get_scanout_position)(struct drm_device *dev, int crtc,
785 int *vpos, int *hpos);
787 int (*get_vblank_timestamp)(struct drm_device *dev, int crtc,
788 int *max_error, struct timeval *vblank_time,
791 int (*gem_init_object)(struct drm_gem_object *obj);
792 void (*gem_free_object)(struct drm_gem_object *obj);
793 int (*gem_open_object)(struct drm_gem_object *, struct drm_file *);
794 void (*gem_close_object)(struct drm_gem_object *, struct drm_file *);
796 struct cdev_pager_ops *gem_pager_ops;
798 int (*dumb_create)(struct drm_file *file_priv,
799 struct drm_device *dev, struct drm_mode_create_dumb *args);
800 int (*dumb_map_offset)(struct drm_file *file_priv,
801 struct drm_device *dev, uint32_t handle, uint64_t *offset);
802 int (*dumb_destroy)(struct drm_file *file_priv,
803 struct drm_device *dev, uint32_t handle);
805 int (*sysctl_init)(struct drm_device *dev,
806 struct sysctl_ctx_list *ctx, struct sysctl_oid *top);
807 void (*sysctl_cleanup)(struct drm_device *dev);
809 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */
812 * Called by \c drm_device_is_agp. Typically used to determine if a
813 * card is really attached to AGP or not.
815 * \param dev DRM device handle
818 * One of three values is returned depending on whether or not the
819 * card is absolutely \b not AGP (return of 0), absolutely \b is AGP
820 * (return of 1), or may or may not be AGP (return of 2).
822 int (*device_is_agp) (struct drm_device * dev);
824 drm_ioctl_desc_t *ioctls;
825 #ifdef COMPAT_FREEBSD32
826 drm_ioctl_desc_t *compat_ioctls;
827 int *compat_ioctls_nr;
836 const char *name; /* Simple driver name */
837 const char *desc; /* Longer driver name */
838 const char *date; /* Date of last major changes. */
844 * DRM minor structure. This structure represents a drm minor number.
847 int index; /**< Minor device number */
848 int type; /**< Control or render */
849 device_t kdev; /**< OS device */
850 struct drm_device *dev;
852 struct drm_master *master; /* currently active master for this node */
853 struct list_head master_list;
854 struct drm_mode_group mode_group;
857 /* mode specified on the command line */
858 struct drm_cmdline_mode {
860 bool refresh_specified;
869 enum drm_connector_force force;
873 struct drm_pending_vblank_event {
874 struct drm_pending_event base;
876 struct drm_event_vblank event;
879 /* Length for the array of resource pointers for drm_get_resource_*. */
880 #define DRM_MAX_PCI_RESOURCE 6
883 * DRM device structure. This structure represent a complete card that
884 * may contain multiple heads.
887 struct drm_driver_info *driver;
888 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */
890 uint16_t pci_device; /* PCI device id */
891 uint16_t pci_vendor; /* PCI vendor id */
892 uint16_t pci_subdevice; /* PCI subsystem device id */
893 uint16_t pci_subvendor; /* PCI subsystem vendor id */
895 char *unique; /* Unique identifier: e.g., busid */
896 int unique_len; /* Length of unique field */
897 device_t device; /* Device instance from newbus */
898 struct cdev *devnode; /* Device number for mknod */
899 int if_version; /* Highest interface version set */
901 int flags; /* Flags to open(2) */
904 struct mtx dma_lock; /* protects dev->dma */
905 struct mtx irq_lock; /* protects irq condition checks */
906 struct mtx dev_lock; /* protects everything else */
907 struct sx dev_struct_lock;
908 DRM_SPINTYPE drw_lock;
911 int open_count; /* Outstanding files open */
912 int buf_use; /* Buffers in use -- cannot alloc */
914 /* Performance counters */
915 unsigned long counters;
916 enum drm_stat_type types[15];
920 drm_file_list_t files;
921 drm_magic_head_t magiclist[DRM_HASH_SIZE];
923 /* Linked list of mappable regions. Protected by dev_lock */
924 drm_map_list_t maplist;
925 struct unrhdr *map_unrhdr;
927 drm_local_map_t **context_sareas;
930 drm_lock_data_t lock; /* Information on hardware lock */
932 /* DMA queues (contexts) */
933 drm_device_dma_t *dma; /* Optional pointer for DMA support */
935 /* Context support */
936 int irq; /* Interrupt used by board */
937 int irq_enabled; /* True if the irq handler is enabled */
938 int msi_enabled; /* MSI enabled */
939 int irqrid; /* Interrupt used by board */
940 struct resource *irqr; /* Resource for interrupt used by board */
941 void *irqh; /* Handle from bus_setup_intr */
943 /* Storage of resource pointers for drm_get_resource_* */
944 struct resource *pcir[DRM_MAX_PCI_RESOURCE];
945 int pcirid[DRM_MAX_PCI_RESOURCE];
952 atomic_t context_flag; /* Context swapping flag */
953 int last_context; /* Last current context */
957 struct sigio *buf_sigio; /* Processes waiting for SIGIO */
960 struct drm_sysctl_info *sysctl;
964 drm_sg_mem_t *sg; /* Scatter gather memory */
965 unsigned long *ctx_bitmap;
967 unsigned int agp_buffer_token;
968 drm_local_map_t *agp_buffer_map;
970 struct drm_minor *control; /**< Control node for card */
971 struct drm_minor *primary; /**< render type primary screen head */
974 struct unrhdr *drw_unrhdr;
975 /* RB tree of drawable infos */
976 RB_HEAD(drawable_tree, bsd_drm_drawable_info) drw_head;
978 int vblank_disable_allowed;
980 atomic_t *_vblank_count; /**< number of VBLANK interrupts (driver must alloc the right number of counters) */
981 struct timeval *_vblank_time; /**< timestamp of current vblank_count (drivers must alloc right number of fields) */
982 struct mtx vblank_time_lock; /**< Protects vblank count and time updates during vblank enable/disable */
984 atomic_t *vblank_refcount; /* number of users of vblank interruptsper crtc */
985 u32 *last_vblank; /* protected by dev->vbl_lock, used */
986 /* for wraparound handling */
987 int *vblank_enabled; /* so we don't call enable more than
989 int *vblank_inmodeset; /* Display driver is setting mode */
990 u32 *last_vblank_wait; /* Last vblank seqno waited per CRTC */
991 struct callout vblank_disable_callout;
993 u32 max_vblank_count; /**< size of vblank counter register */
995 struct list_head vblank_event_list;
996 struct mtx event_lock;
998 struct drm_mode_config mode_config; /**< Current mode config */
1001 struct sx object_name_lock;
1002 struct drm_gem_names object_names;
1005 void *sysctl_private;
1006 char busid_str[128];
1009 int switch_power_state;
1012 #define DRM_SWITCH_POWER_ON 0
1013 #define DRM_SWITCH_POWER_OFF 1
1014 #define DRM_SWITCH_POWER_CHANGING 2
1016 static __inline__ int drm_core_check_feature(struct drm_device *dev,
1019 return ((dev->driver->driver_features & feature) ? 1 : 0);
1023 static inline int drm_core_has_AGP(struct drm_device *dev)
1025 return drm_core_check_feature(dev, DRIVER_USE_AGP);
1028 #define drm_core_has_AGP(dev) (0)
1038 DMI_PRODUCT_VERSION,
1045 DMI_BOARD_ASSET_TAG,
1048 DMI_CHASSIS_VERSION,
1050 DMI_CHASSIS_ASSET_TAG,
1054 struct dmi_strmatch {
1059 struct dmi_system_id {
1060 int (*callback)(const struct dmi_system_id *);
1062 struct dmi_strmatch matches[4];
1064 #define DMI_MATCH(a, b) {(a), (b)}
1065 bool dmi_check_system(const struct dmi_system_id *);
1067 extern int drm_debug_flag;
1068 extern int drm_notyet_flag;
1069 extern unsigned int drm_vblank_offdelay;
1070 extern unsigned int drm_timestamp_precision;
1071 extern unsigned int drm_timestamp_monotonic;
1073 /* Device setup support (drm_drv.c) */
1074 int drm_probe(device_t kdev, drm_pci_id_list_t *idlist);
1075 int drm_attach(device_t kdev, drm_pci_id_list_t *idlist);
1076 int drm_create_cdevs(device_t kdev);
1077 void drm_close(void *data);
1078 int drm_detach(device_t kdev);
1079 d_ioctl_t drm_ioctl;
1084 extern drm_local_map_t *drm_getsarea(struct drm_device *dev);
1086 void drm_event_wakeup(struct drm_pending_event *e);
1088 int drm_add_busid_modesetting(struct drm_device *dev,
1089 struct sysctl_ctx_list *ctx, struct sysctl_oid *top);
1091 /* File operations helpers (drm_fops.c) */
1092 extern int drm_open_helper(struct cdev *kdev, int flags, int fmt,
1094 struct drm_device *dev);
1097 extern int drm_gem_prime_handle_to_fd(struct drm_device *dev,
1098 struct drm_file *file_priv, uint32_t handle, uint32_t flags,
1100 extern int drm_gem_prime_fd_to_handle(struct drm_device *dev,
1101 struct drm_file *file_priv, int prime_fd, uint32_t *handle);
1103 extern int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data,
1104 struct drm_file *file_priv);
1105 extern int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data,
1106 struct drm_file *file_priv);
1113 extern int drm_prime_sg_to_page_addr_arrays(struct sg_table *sgt, vm_page_t *pages,
1114 dma_addr_t *addrs, int max_pages);
1115 #endif /* DUMBBELL_WIP */
1116 extern struct sg_table *drm_prime_pages_to_sg(vm_page_t *pages, int nr_pages);
1117 extern void drm_prime_gem_destroy(struct drm_gem_object *obj, struct sg_table *sg);
1120 void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv);
1121 void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv);
1122 int drm_prime_add_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t handle);
1123 int drm_prime_lookup_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t *handle);
1124 void drm_prime_remove_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf);
1126 int drm_prime_add_dma_buf(struct drm_device *dev, struct drm_gem_object *obj);
1127 int drm_prime_lookup_obj(struct drm_device *dev, struct dma_buf *buf,
1128 struct drm_gem_object **obj);
1129 #endif /* DUMBBELL_WIP */
1131 /* Memory management support (drm_memory.c) */
1132 void drm_mem_init(void);
1133 void drm_mem_uninit(void);
1134 void *drm_ioremap_wc(struct drm_device *dev, drm_local_map_t *map);
1135 void *drm_ioremap(struct drm_device *dev, drm_local_map_t *map);
1136 void drm_ioremapfree(drm_local_map_t *map);
1137 int drm_mtrr_add(unsigned long offset, size_t size, int flags);
1138 int drm_mtrr_del(int handle, unsigned long offset, size_t size, int flags);
1140 int drm_context_switch(struct drm_device *dev, int old, int new);
1141 int drm_context_switch_complete(struct drm_device *dev, int new);
1143 int drm_ctxbitmap_init(struct drm_device *dev);
1144 void drm_ctxbitmap_cleanup(struct drm_device *dev);
1145 void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle);
1146 int drm_ctxbitmap_next(struct drm_device *dev);
1148 /* Locking IOCTL support (drm_lock.c) */
1149 int drm_lock_take(struct drm_lock_data *lock_data,
1150 unsigned int context);
1151 int drm_lock_transfer(struct drm_lock_data *lock_data,
1152 unsigned int context);
1153 int drm_lock_free(struct drm_lock_data *lock_data,
1154 unsigned int context);
1156 /* Buffer management support (drm_bufs.c) */
1157 unsigned long drm_get_resource_start(struct drm_device *dev,
1158 unsigned int resource);
1159 unsigned long drm_get_resource_len(struct drm_device *dev,
1160 unsigned int resource);
1161 void drm_rmmap(struct drm_device *dev, drm_local_map_t *map);
1162 int drm_order(unsigned long size);
1163 int drm_addmap(struct drm_device *dev, unsigned long offset,
1165 enum drm_map_type type, enum drm_map_flags flags,
1166 drm_local_map_t **map_ptr);
1167 int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc *request);
1168 int drm_addbufs_sg(struct drm_device *dev, struct drm_buf_desc *request);
1169 int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc *request);
1171 /* DMA support (drm_dma.c) */
1172 int drm_dma_setup(struct drm_device *dev);
1173 void drm_dma_takedown(struct drm_device *dev);
1174 void drm_free_buffer(struct drm_device *dev, drm_buf_t *buf);
1175 void drm_reclaim_buffers(struct drm_device *dev, struct drm_file *file_priv);
1176 #define drm_core_reclaim_buffers drm_reclaim_buffers
1178 /* IRQ support (drm_irq.c) */
1179 int drm_irq_install(struct drm_device *dev);
1180 int drm_irq_uninstall(struct drm_device *dev);
1181 irqreturn_t drm_irq_handler(DRM_IRQ_ARGS);
1182 void drm_driver_irq_preinstall(struct drm_device *dev);
1183 void drm_driver_irq_postinstall(struct drm_device *dev);
1184 void drm_driver_irq_uninstall(struct drm_device *dev);
1186 void drm_vblank_pre_modeset(struct drm_device *dev, int crtc);
1187 void drm_vblank_post_modeset(struct drm_device *dev, int crtc);
1188 int drm_modeset_ctl(struct drm_device *dev, void *data,
1189 struct drm_file *file_priv);
1191 extern int drm_vblank_init(struct drm_device *dev, int num_crtcs);
1192 extern int drm_wait_vblank(struct drm_device *dev, void *data,
1193 struct drm_file *filp);
1194 extern int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq);
1195 extern u32 drm_vblank_count(struct drm_device *dev, int crtc);
1196 extern u32 drm_vblank_count_and_time(struct drm_device *dev, int crtc,
1197 struct timeval *vblanktime);
1198 extern bool drm_handle_vblank(struct drm_device *dev, int crtc);
1199 void drm_handle_vblank_events(struct drm_device *dev, int crtc);
1200 extern int drm_vblank_get(struct drm_device *dev, int crtc);
1201 extern void drm_vblank_put(struct drm_device *dev, int crtc);
1202 extern void drm_vblank_off(struct drm_device *dev, int crtc);
1203 extern void drm_vblank_cleanup(struct drm_device *dev);
1204 extern u32 drm_get_last_vbltimestamp(struct drm_device *dev, int crtc,
1205 struct timeval *tvblank, unsigned flags);
1206 extern int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev,
1207 int crtc, int *max_error,
1208 struct timeval *vblank_time,
1210 struct drm_crtc *refcrtc);
1211 extern void drm_calc_timestamping_constants(struct drm_crtc *crtc);
1213 struct timeval ns_to_timeval(const int64_t nsec);
1214 int64_t timeval_to_ns(const struct timeval *tv);
1216 /* AGP/PCI Express/GART support (drm_agpsupport.c) */
1217 int drm_device_is_agp(struct drm_device *dev);
1218 int drm_device_is_pcie(struct drm_device *dev);
1219 drm_agp_head_t *drm_agp_init(void);
1220 int drm_agp_acquire(struct drm_device *dev);
1221 int drm_agp_release(struct drm_device *dev);
1222 int drm_agp_info(struct drm_device * dev, struct drm_agp_info *info);
1223 int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode);
1224 void *drm_agp_allocate_memory(size_t pages, u32 type);
1225 int drm_agp_free_memory(void *handle);
1226 int drm_agp_bind_memory(void *handle, off_t start);
1227 int drm_agp_unbind_memory(void *handle);
1228 int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request);
1229 int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request);
1230 int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request);
1231 int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request);
1233 /* Scatter Gather Support (drm_scatter.c) */
1234 void drm_sg_cleanup(drm_sg_mem_t *entry);
1235 int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request);
1237 /* sysctl support (drm_sysctl.h) */
1238 extern int drm_sysctl_init(struct drm_device *dev);
1239 extern int drm_sysctl_cleanup(struct drm_device *dev);
1241 /* ATI PCIGART support (ati_pcigart.c) */
1242 int drm_ati_pcigart_init(struct drm_device *dev,
1243 struct drm_ati_pcigart_info *gart_info);
1244 int drm_ati_pcigart_cleanup(struct drm_device *dev,
1245 struct drm_ati_pcigart_info *gart_info);
1247 /* Cache management (drm_memory.c) */
1248 void drm_clflush_pages(vm_page_t *pages, unsigned long num_pages);
1250 /* Locking IOCTL support (drm_drv.c) */
1251 int drm_lock(struct drm_device *dev, void *data,
1252 struct drm_file *file_priv);
1253 int drm_unlock(struct drm_device *dev, void *data,
1254 struct drm_file *file_priv);
1255 int drm_version(struct drm_device *dev, void *data,
1256 struct drm_file *file_priv);
1257 int drm_setversion(struct drm_device *dev, void *data,
1258 struct drm_file *file_priv);
1260 /* Misc. IOCTL support (drm_ioctl.c) */
1261 int drm_irq_by_busid(struct drm_device *dev, void *data,
1262 struct drm_file *file_priv);
1263 int drm_getunique(struct drm_device *dev, void *data,
1264 struct drm_file *file_priv);
1265 int drm_setunique(struct drm_device *dev, void *data,
1266 struct drm_file *file_priv);
1267 int drm_getmap(struct drm_device *dev, void *data,
1268 struct drm_file *file_priv);
1269 int drm_getclient(struct drm_device *dev, void *data,
1270 struct drm_file *file_priv);
1271 int drm_getstats(struct drm_device *dev, void *data,
1272 struct drm_file *file_priv);
1273 int drm_getcap(struct drm_device *dev, void *data,
1274 struct drm_file *file_priv);
1275 int drm_noop(struct drm_device *dev, void *data,
1276 struct drm_file *file_priv);
1278 /* Context IOCTL support (drm_context.c) */
1279 int drm_resctx(struct drm_device *dev, void *data,
1280 struct drm_file *file_priv);
1281 int drm_addctx(struct drm_device *dev, void *data,
1282 struct drm_file *file_priv);
1283 int drm_modctx(struct drm_device *dev, void *data,
1284 struct drm_file *file_priv);
1285 int drm_getctx(struct drm_device *dev, void *data,
1286 struct drm_file *file_priv);
1287 int drm_switchctx(struct drm_device *dev, void *data,
1288 struct drm_file *file_priv);
1289 int drm_newctx(struct drm_device *dev, void *data,
1290 struct drm_file *file_priv);
1291 int drm_rmctx(struct drm_device *dev, void *data,
1292 struct drm_file *file_priv);
1293 int drm_setsareactx(struct drm_device *dev, void *data,
1294 struct drm_file *file_priv);
1295 int drm_getsareactx(struct drm_device *dev, void *data,
1296 struct drm_file *file_priv);
1298 /* Drawable IOCTL support (drm_drawable.c) */
1299 int drm_adddraw(struct drm_device *dev, void *data,
1300 struct drm_file *file_priv);
1301 int drm_rmdraw(struct drm_device *dev, void *data,
1302 struct drm_file *file_priv);
1303 int drm_update_draw(struct drm_device *dev, void *data,
1304 struct drm_file *file_priv);
1305 struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev,
1308 /* Drawable support (drm_drawable.c) */
1309 void drm_drawable_free_all(struct drm_device *dev);
1311 /* Authentication IOCTL support (drm_auth.c) */
1312 int drm_getmagic(struct drm_device *dev, void *data,
1313 struct drm_file *file_priv);
1314 int drm_authmagic(struct drm_device *dev, void *data,
1315 struct drm_file *file_priv);
1317 /* Buffer management support (drm_bufs.c) */
1318 int drm_addmap_ioctl(struct drm_device *dev, void *data,
1319 struct drm_file *file_priv);
1320 int drm_rmmap_ioctl(struct drm_device *dev, void *data,
1321 struct drm_file *file_priv);
1322 int drm_addbufs(struct drm_device *dev, void *data,
1323 struct drm_file *file_priv);
1324 int drm_infobufs(struct drm_device *dev, void *data,
1325 struct drm_file *file_priv);
1326 int drm_markbufs(struct drm_device *dev, void *data,
1327 struct drm_file *file_priv);
1328 int drm_freebufs(struct drm_device *dev, void *data,
1329 struct drm_file *file_priv);
1330 int drm_mapbufs(struct drm_device *dev, void *data,
1331 struct drm_file *file_priv);
1333 /* DMA support (drm_dma.c) */
1334 int drm_dma(struct drm_device *dev, void *data, struct drm_file *file_priv);
1336 /* IRQ support (drm_irq.c) */
1337 int drm_control(struct drm_device *dev, void *data,
1338 struct drm_file *file_priv);
1340 /* AGP/GART support (drm_agpsupport.c) */
1341 int drm_agp_acquire_ioctl(struct drm_device *dev, void *data,
1342 struct drm_file *file_priv);
1343 int drm_agp_release_ioctl(struct drm_device *dev, void *data,
1344 struct drm_file *file_priv);
1345 int drm_agp_enable_ioctl(struct drm_device *dev, void *data,
1346 struct drm_file *file_priv);
1347 int drm_agp_info_ioctl(struct drm_device *dev, void *data,
1348 struct drm_file *file_priv);
1349 int drm_agp_alloc_ioctl(struct drm_device *dev, void *data,
1350 struct drm_file *file_priv);
1351 int drm_agp_free_ioctl(struct drm_device *dev, void *data,
1352 struct drm_file *file_priv);
1353 int drm_agp_unbind_ioctl(struct drm_device *dev, void *data,
1354 struct drm_file *file_priv);
1355 int drm_agp_bind_ioctl(struct drm_device *dev, void *data,
1356 struct drm_file *file_priv);
1358 /* Stub support (drm_stub.h) */
1359 extern int drm_setmaster_ioctl(struct drm_device *dev, void *data,
1360 struct drm_file *file_priv);
1361 extern int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
1362 struct drm_file *file_priv);
1364 /* Scatter Gather Support (drm_scatter.c) */
1365 int drm_sg_alloc_ioctl(struct drm_device *dev, void *data,
1366 struct drm_file *file_priv);
1367 int drm_sg_free(struct drm_device *dev, void *data,
1368 struct drm_file *file_priv);
1370 /* consistent PCI memory functions (drm_pci.c) */
1371 drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size,
1372 size_t align, dma_addr_t maxaddr);
1373 void drm_pci_free(struct drm_device *dev, drm_dma_handle_t *dmah);
1375 /* Graphics Execution Manager library functions (drm_gem.c) */
1376 int drm_gem_init(struct drm_device *dev);
1377 void drm_gem_destroy(struct drm_device *dev);
1379 int drm_gem_close_ioctl(struct drm_device *dev, void *data,
1380 struct drm_file *file_priv);
1381 int drm_gem_flink_ioctl(struct drm_device *dev, void *data,
1382 struct drm_file *file_priv);
1383 int drm_gem_open_ioctl(struct drm_device *dev, void *data,
1384 struct drm_file *file_priv);
1385 int drm_gem_handle_create(struct drm_file *file_priv,
1386 struct drm_gem_object *obj,
1388 int drm_gem_handle_delete(struct drm_file *file_priv, uint32_t handle);
1389 void drm_gem_object_handle_reference(struct drm_gem_object *obj);
1390 void drm_gem_object_handle_unreference(struct drm_gem_object *obj);
1391 void drm_gem_object_handle_unreference_unlocked(struct drm_gem_object *obj);
1392 void drm_gem_object_handle_free(struct drm_gem_object *obj);
1393 void drm_gem_object_reference(struct drm_gem_object *obj);
1394 void drm_gem_object_unreference(struct drm_gem_object *obj);
1395 void drm_gem_object_unreference_unlocked(struct drm_gem_object *obj);
1396 void drm_gem_object_release(struct drm_gem_object *obj);
1397 void drm_gem_object_free(struct drm_gem_object *obj);
1398 int drm_gem_object_init(struct drm_device *dev, struct drm_gem_object *obj,
1400 int drm_gem_private_object_init(struct drm_device *dev,
1401 struct drm_gem_object *obj, size_t size);
1402 struct drm_gem_object *drm_gem_object_alloc(struct drm_device *dev,
1404 struct drm_gem_object *drm_gem_object_lookup(struct drm_device *dev,
1405 struct drm_file *file_priv, uint32_t handle);
1407 void drm_gem_open(struct drm_device *dev, struct drm_file *file_priv);
1408 void drm_gem_release(struct drm_device *dev, struct drm_file *file_priv);
1410 int drm_gem_create_mmap_offset(struct drm_gem_object *obj);
1411 void drm_gem_free_mmap_offset(struct drm_gem_object *obj);
1412 int drm_gem_mmap_single(struct drm_device *dev, vm_ooffset_t *offset,
1413 vm_size_t size, struct vm_object **obj_res, int nprot);
1414 void drm_gem_pager_dtr(void *obj);
1416 struct ttm_bo_device;
1417 int ttm_bo_mmap_single(struct ttm_bo_device *bdev, vm_ooffset_t *offset,
1418 vm_size_t size, struct vm_object **obj_res, int nprot);
1419 struct ttm_buffer_object;
1420 void ttm_bo_release_mmap(struct ttm_buffer_object *bo);
1422 void drm_device_lock_mtx(struct drm_device *dev);
1423 void drm_device_unlock_mtx(struct drm_device *dev);
1424 int drm_device_sleep_mtx(struct drm_device *dev, void *chan, int flags,
1425 const char *msg, int timeout);
1426 void drm_device_assert_mtx_locked(struct drm_device *dev);
1427 void drm_device_assert_mtx_unlocked(struct drm_device *dev);
1429 void drm_device_lock_struct(struct drm_device *dev);
1430 void drm_device_unlock_struct(struct drm_device *dev);
1431 int drm_device_sleep_struct(struct drm_device *dev, void *chan, int flags,
1432 const char *msg, int timeout);
1433 void drm_device_assert_struct_locked(struct drm_device *dev);
1434 void drm_device_assert_struct_unlocked(struct drm_device *dev);
1436 void drm_compat_locking_init(struct drm_device *dev);
1437 void drm_sleep_locking_init(struct drm_device *dev);
1440 bool drm_mode_parse_command_line_for_connector(const char *mode_option,
1441 struct drm_connector *connector, struct drm_cmdline_mode *mode);
1442 struct drm_display_mode *drm_mode_create_from_cmdline_mode(
1443 struct drm_device *dev, struct drm_cmdline_mode *cmd);
1446 u8 *drm_find_cea_extension(struct edid *edid);
1448 /* Inline replacements for drm_alloc and friends */
1449 static __inline__ void *
1450 drm_alloc(size_t size, struct malloc_type *area)
1452 return malloc(size, area, M_NOWAIT);
1455 static __inline__ void *
1456 drm_calloc(size_t nmemb, size_t size, struct malloc_type *area)
1458 return malloc(size * nmemb, area, M_NOWAIT | M_ZERO);
1461 static __inline__ void *
1462 drm_realloc(void *oldpt, size_t oldsize, size_t size,
1463 struct malloc_type *area)
1465 return reallocf(oldpt, size, area, M_NOWAIT);
1468 static __inline__ void
1469 drm_free(void *pt, size_t size, struct malloc_type *area)
1474 /* Inline replacements for DRM_IOREMAP macros */
1475 static __inline__ void
1476 drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev)
1478 map->virtual = drm_ioremap_wc(dev, map);
1480 static __inline__ void
1481 drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev)
1483 map->virtual = drm_ioremap(dev, map);
1485 static __inline__ void
1486 drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev)
1488 if ( map->virtual && map->size )
1489 drm_ioremapfree(map);
1492 static __inline__ struct drm_local_map *
1493 drm_core_findmap(struct drm_device *dev, unsigned long offset)
1495 drm_local_map_t *map;
1497 DRM_LOCK_ASSERT(dev);
1498 TAILQ_FOREACH(map, &dev->maplist, link) {
1499 if (offset == (unsigned long)map->handle)
1505 static __inline__ void drm_core_dropmap(struct drm_map *map)
1509 #define DRM_PCIE_SPEED_25 1
1510 #define DRM_PCIE_SPEED_50 2
1511 #define DRM_PCIE_SPEED_80 4
1513 extern int drm_pcie_get_speed_cap_mask(struct drm_device *dev, u32 *speed_mask);
1515 #define drm_can_sleep() (DRM_HZ & 1)
1517 #endif /* __KERNEL__ */
1518 #endif /* _DRM_P_H_ */