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"
110 #define DRM_UT_CORE 0x01
111 #define DRM_UT_DRIVER 0x02
112 #define DRM_UT_KMS 0x04
113 #define DRM_UT_PRIME 0x08
117 #define DRM_DEBUG_DEFAULT_ON 1
118 #endif /* DRM_DEBUG */
120 #define DRM_DEBUGBITS_DEBUG 0x1
121 #define DRM_DEBUGBITS_KMS 0x2
122 #define DRM_DEBUGBITS_FAILED_IOCTL 0x4
127 /***********************************************************************/
128 /** \name DRM template customization defaults */
131 /* driver capabilities and requirements mask */
132 #define DRIVER_USE_AGP 0x1
133 #define DRIVER_REQUIRE_AGP 0x2
134 #define DRIVER_USE_MTRR 0x4
135 #define DRIVER_PCI_DMA 0x8
136 #define DRIVER_SG 0x10
137 #define DRIVER_HAVE_DMA 0x20
138 #define DRIVER_HAVE_IRQ 0x40
139 #define DRIVER_IRQ_SHARED 0x80
140 #define DRIVER_IRQ_VBL 0x100
141 #define DRIVER_DMA_QUEUE 0x200
142 #define DRIVER_FB_DMA 0x400
143 #define DRIVER_IRQ_VBL2 0x800
144 #define DRIVER_GEM 0x1000
145 #define DRIVER_MODESET 0x2000
146 #define DRIVER_PRIME 0x4000
147 #define DRIVER_LOCKLESS_IRQ 0x8000
150 #define DRM_HASH_SIZE 16 /* Size of key hash table */
151 #define DRM_KERNEL_CONTEXT 0 /* Change drm_resctx if changed */
152 #define DRM_RESERVED_CONTEXTS 1 /* Change drm_resctx if changed */
154 #define DRM_GEM_MAPPING_MASK (3ULL << 62)
155 #define DRM_GEM_MAPPING_KEY (2ULL << 62) /* Non-canonical address form */
156 #define DRM_GEM_MAX_IDX 0x3fffff
157 #define DRM_GEM_MAPPING_IDX(o) (((o) >> 40) & DRM_GEM_MAX_IDX)
158 #define DRM_GEM_MAPPING_OFF(i) (((uint64_t)(i)) << 40)
159 #define DRM_GEM_MAPPING_MAPOFF(o) \
160 ((o) & ~(DRM_GEM_MAPPING_OFF(DRM_GEM_MAX_IDX) | DRM_GEM_MAPPING_KEY))
162 MALLOC_DECLARE(DRM_MEM_DMA);
163 MALLOC_DECLARE(DRM_MEM_SAREA);
164 MALLOC_DECLARE(DRM_MEM_DRIVER);
165 MALLOC_DECLARE(DRM_MEM_MAGIC);
166 MALLOC_DECLARE(DRM_MEM_MAPS);
167 MALLOC_DECLARE(DRM_MEM_BUFS);
168 MALLOC_DECLARE(DRM_MEM_SEGS);
169 MALLOC_DECLARE(DRM_MEM_PAGES);
170 MALLOC_DECLARE(DRM_MEM_FILES);
171 MALLOC_DECLARE(DRM_MEM_BUFLISTS);
172 MALLOC_DECLARE(DRM_MEM_AGPLISTS);
173 MALLOC_DECLARE(DRM_MEM_CTXBITMAP);
174 MALLOC_DECLARE(DRM_MEM_SGLISTS);
175 MALLOC_DECLARE(DRM_MEM_MM);
176 MALLOC_DECLARE(DRM_MEM_HASHTAB);
177 MALLOC_DECLARE(DRM_MEM_KMS);
179 SYSCTL_DECL(_hw_drm);
181 #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8)
183 /***********************************************************************/
184 /** \name Internal types and structures */
187 #define DRM_ARRAY_SIZE(x) NELEM(x)
188 #define DRM_MIN(a,b) ((a)<(b)?(a):(b))
189 #define DRM_MAX(a,b) ((a)>(b)?(a):(b))
191 #define DRM_IF_VERSION(maj, min) (maj << 16 | min)
193 #define __OS_HAS_AGP 1
195 #define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP)
196 #define DRM_DEV_UID 0
197 #define DRM_DEV_GID 0
199 #define wait_queue_head_t atomic_t
200 #define DRM_WAKEUP(w) wakeup((void *)w)
201 #define DRM_WAKEUP_INT(w) wakeup(w)
202 #define DRM_INIT_WAITQUEUE(queue) do {(void)(queue);} while (0)
204 #define DRM_CURPROC curthread
205 #define DRM_STRUCTPROC struct thread
206 #define DRM_CURRENTPID curthread->td_proc->p_pid
207 #define DRM_LOCK(dev) lockmgr(&(dev)->dev_struct_lock, LK_EXCLUSIVE)
208 #define DRM_UNLOCK(dev) lockmgr(&(dev)->dev_struct_lock, LK_RELEASE)
209 #define DRM_LOCK_SLEEP(dev, chan, flags, msg, timeout) \
210 (lksleep((chan), &(dev)->dev_struct_lock, (flags), (msg), (timeout)))
211 #if defined(INVARIANTS)
212 #define DRM_LOCK_ASSERT(dev) KKASSERT(lockstatus(&(dev)->dev_struct_lock, curthread) != 0);
213 #define DRM_UNLOCK_ASSERT(dev) KKASSERT(lockstatus(&(dev)->dev_struct_lock, curthread) == 0);
215 #define DRM_LOCK_ASSERT(d)
216 #define DRM_UNLOCK_ASSERT(d)
219 #define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS)
221 #define DRM_IRQ_ARGS void *arg
222 typedef void irqreturn_t;
223 #define IRQ_HANDLED /* nothing */
224 #define IRQ_NONE /* nothing */
231 #define DRM_AGP_MEM struct agp_memory_info
233 #define drm_get_device_from_kdev(_kdev) (_kdev->si_drv1)
235 #define PAGE_ALIGN(addr) round_page(addr)
236 /* DRM_SUSER returns true if the user is superuser */
237 #define DRM_SUSER(p) (priv_check(p, PRIV_DRIVER) == 0)
238 #define DRM_AGP_FIND_DEVICE() agp_find_device()
239 #define DRM_MTRR_WC MDF_WRITECOMBINE
240 #define jiffies ticks
241 #define jiffies_to_msecs(x) (((int64_t)(x)) * 1000 / hz)
242 #define msecs_to_jiffies(x) (((int64_t)(x)) * hz / 1000)
243 #define time_after(a,b) ((long)(b) - (long)(a) < 0)
244 #define time_after_eq(a,b) ((long)(b) - (long)(a) <= 0)
246 /* DRM_READMEMORYBARRIER() prevents reordering of reads.
247 * DRM_WRITEMEMORYBARRIER() prevents reordering of writes.
248 * DRM_MEMORYBARRIER() prevents reordering of reads and writes.
250 #define DRM_READMEMORYBARRIER() cpu_lfence()
251 #define DRM_WRITEMEMORYBARRIER() cpu_sfence()
252 #define DRM_MEMORYBARRIER() cpu_mfence()
254 #define DRM_READ8(map, offset) \
255 *(volatile u_int8_t *)(((vm_offset_t)(map)->virtual) + \
256 (vm_offset_t)(offset))
257 #define DRM_READ16(map, offset) \
258 le16toh(*(volatile u_int16_t *)(((vm_offset_t)(map)->virtual) + \
259 (vm_offset_t)(offset)))
260 #define DRM_READ32(map, offset) \
261 le32toh(*(volatile u_int32_t *)(((vm_offset_t)(map)->virtual) + \
262 (vm_offset_t)(offset)))
263 #define DRM_READ64(map, offset) \
264 le64toh(*(volatile u_int64_t *)(((vm_offset_t)(map)->virtual) + \
265 (vm_offset_t)(offset)))
266 #define DRM_WRITE8(map, offset, val) \
267 *(volatile u_int8_t *)(((vm_offset_t)(map)->virtual) + \
268 (vm_offset_t)(offset)) = val
269 #define DRM_WRITE16(map, offset, val) \
270 *(volatile u_int16_t *)(((vm_offset_t)(map)->virtual) + \
271 (vm_offset_t)(offset)) = htole16(val)
272 #define DRM_WRITE32(map, offset, val) \
273 *(volatile u_int32_t *)(((vm_offset_t)(map)->virtual) + \
274 (vm_offset_t)(offset)) = htole32(val)
275 #define DRM_WRITE64(map, offset, val) \
276 *(volatile u_int64_t *)(((vm_offset_t)(map)->virtual) + \
277 (vm_offset_t)(offset)) = htole64(val)
279 #define DRM_VERIFYAREA_READ( uaddr, size ) \
280 (!useracc(__DECONST(caddr_t, uaddr), size, VM_PROT_READ))
282 #define DRM_COPY_TO_USER(user, kern, size) \
283 copyout(kern, user, size)
284 #define DRM_COPY_FROM_USER(kern, user, size) \
285 copyin(user, kern, size)
286 #define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \
287 copyin(arg2, arg1, arg3)
288 #define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \
289 copyout(arg2, arg1, arg3)
290 #define DRM_GET_USER_UNCHECKED(val, uaddr) \
291 ((val) = fuword32(uaddr), 0)
293 #define drm_can_sleep() (DRM_HZ & 1)
295 #define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \
296 (_map) = (_dev)->context_sareas[_ctx]; \
299 #define LOCK_TEST_WITH_RETURN(dev, file_priv) \
301 if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \
302 dev->lock.file_priv != file_priv) { \
303 DRM_ERROR("%s called without lock held\n", \
309 /* Returns -errno to shared code */
310 #define DRM_WAIT_ON( ret, queue, timeout, condition ) \
311 for ( ret = 0 ; !ret && !(condition) ; ) { \
313 lwkt_serialize_enter(&dev->irq_lock); \
314 if (!(condition)) { \
315 tsleep_interlock(&(queue), PCATCH); \
316 lwkt_serialize_exit(&dev->irq_lock); \
317 ret = -tsleep(&(queue), PCATCH | PINTERLOCKED, \
318 "drmwtq", (timeout)); \
320 lwkt_serialize_exit(&dev->irq_lock); \
326 vm_page_unhold_pages(vm_page_t *ma, int count)
330 for (i = 0; i < count; i++)
331 vm_page_unhold(ma[i]);
334 int vm_phys_fictitious_reg_range(vm_paddr_t start, vm_paddr_t end,
335 vm_memattr_t memattr);
336 void vm_phys_fictitious_unreg_range(vm_paddr_t start, vm_paddr_t end);
337 vm_page_t vm_phys_fictitious_to_vm_page(vm_paddr_t pa);
339 #define DRM_ERROR(fmt, ...) \
340 kprintf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt, \
341 DRM_CURRENTPID, __func__ , ##__VA_ARGS__)
343 #define DRM_INFO(fmt, ...) kprintf("info: [" DRM_NAME "] " fmt , ##__VA_ARGS__)
345 #define DRM_DEBUG(fmt, ...) do { \
346 if ((drm_debug & DRM_DEBUGBITS_DEBUG) != 0) \
347 kprintf("[" DRM_NAME ":pid%d:%s] " fmt, DRM_CURRENTPID, \
348 __func__ , ##__VA_ARGS__); \
351 #define DRM_DEBUG_KMS(fmt, ...) do { \
352 if ((drm_debug & DRM_DEBUGBITS_KMS) != 0) \
353 kprintf("[" DRM_NAME ":KMS:pid%d:%s] " fmt, DRM_CURRENTPID,\
354 __func__ , ##__VA_ARGS__); \
357 #define DRM_DEBUG_DRIVER(fmt, ...) do { \
358 if ((drm_debug & DRM_DEBUGBITS_KMS) != 0) \
359 kprintf("[" DRM_NAME ":KMS:pid%d:%s] " fmt, DRM_CURRENTPID,\
360 __func__ , ##__VA_ARGS__); \
363 #define dev_err(dev, fmt, ...) \
364 device_printf((dev), "error: " fmt, ## __VA_ARGS__)
365 #define dev_warn(dev, fmt, ...) \
366 device_printf((dev), "warning: " fmt, ## __VA_ARGS__)
367 #define dev_info(dev, fmt, ...) \
368 device_printf((dev), "info: " fmt, ## __VA_ARGS__)
369 #define dev_dbg(dev, fmt, ...) do { \
370 if ((drm_debug& DRM_DEBUGBITS_KMS) != 0) { \
371 device_printf((dev), "debug: " fmt, ## __VA_ARGS__); \
375 typedef struct drm_pci_id_list
383 struct drm_msi_blacklist_entry
389 #define DRM_IOCTL_NR(n) ((n) & 0xff)
392 #define DRM_MASTER 0x2
393 #define DRM_ROOT_ONLY 0x4
394 #define DRM_CONTROL_ALLOW 0x8
395 #define DRM_UNLOCKED 0x10
397 typedef struct drm_ioctl_desc {
399 int (*func)(struct drm_device *dev, void *data,
400 struct drm_file *file_priv);
402 unsigned int cmd_drv;
406 * Creates a driver or general drm_ioctl_desc array entry for the given
407 * ioctl, for use by drm_ioctl().
409 #define DRM_IOCTL_DEF(ioctl, func, flags) \
410 [DRM_IOCTL_NR(ioctl)] = {ioctl, func, flags}
412 #define DRM_IOCTL_DEF_DRV(ioctl, _func, _flags) \
413 [DRM_IOCTL_NR(DRM_##ioctl)] = {.cmd = DRM_##ioctl, .func = _func, .flags = _flags, .cmd_drv = DRM_IOCTL_##ioctl}
415 typedef struct drm_magic_entry {
417 struct drm_file *priv;
418 struct drm_magic_entry *next;
421 typedef struct drm_magic_head {
422 struct drm_magic_entry *head;
423 struct drm_magic_entry *tail;
426 typedef struct drm_buf {
427 int idx; /**< Index into master buflist */
428 int total; /**< Buffer size */
429 int order; /**< log-base-2(total) */
430 int used; /**< Amount of buffer in use (for DMA) */
431 unsigned long offset; /**< Byte offset (used internally) */
432 void *address; /**< Address of buffer */
433 unsigned long bus_address; /**< Bus address of buffer */
434 struct drm_buf *next; /**< Kernel-only: used for free list */
435 __volatile__ int waiting; /**< On kernel DMA queue */
436 __volatile__ int pending; /**< On hardware DMA queue */
437 struct drm_file *file_priv; /**< Private of holding file descr */
438 int context; /**< Kernel queue for this buffer */
439 int while_locked; /**< Dispatch this buffer while locked */
447 } list; /**< Which list we're on */
449 int dev_priv_size; /**< Size of buffer private storage */
450 void *dev_private; /**< Per-buffer private storage */
453 typedef struct drm_freelist {
454 int initialized; /* Freelist in use */
455 atomic_t count; /* Number of free buffers */
456 drm_buf_t *next; /* End pointer */
458 int low_mark; /* Low water mark */
459 int high_mark; /* High water mark */
462 typedef struct drm_dma_handle {
469 typedef struct drm_buf_entry {
474 drm_dma_handle_t **seglist;
477 drm_freelist_t freelist;
480 /* Event queued up for userspace to read */
481 struct drm_pending_event {
482 struct drm_event *event;
483 struct list_head link;
484 struct drm_file *file_priv;
485 pid_t pid; /* pid of requester, no guarantee it's valid by the time
486 we deliver the event, for tracing only */
487 void (*destroy)(struct drm_pending_event *event);
490 /* initial implementaton using a linked list - todo hashtab */
491 struct drm_prime_file_private {
492 struct list_head head;
495 #endif /* DUMBBELL_WIP */
498 typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t;
500 TAILQ_ENTRY(drm_file) link;
501 struct drm_device *dev;
507 unsigned long ioctl_count;
509 /** Mapping of mm object handles to object pointers. */
510 struct idr object_idr;
511 /** Lock for synchronization of access to object_idr. */
512 struct lock table_lock;
517 struct drm_master *masterp;
519 struct list_head fbs;
521 struct list_head event_list;
524 struct drm_prime_file_private prime;
527 typedef struct drm_lock_data {
528 struct drm_hw_lock *hw_lock; /* Hardware lock */
529 struct drm_file *file_priv; /* Unique identifier of holding process (NULL is kernel)*/
530 int lock_queue; /* Queue of blocked processes */
531 unsigned long lock_time; /* Time of last lock in jiffies */
534 /* This structure, in the struct drm_device, is always initialized while the
536 * is open. dev->dma_lock protects the incrementing of dev->buf_use, which
537 * when set marks that no further bufs may be allocated until device teardown
538 * occurs (when the last open of the device has closed). The high/low
539 * watermarks of bufs are only touched by the X Server, and thus not
540 * concurrently accessed, so no locking is needed.
542 typedef struct drm_device_dma {
544 struct drm_buf_entry bufs[DRM_MAX_ORDER + 1]; /**< buffers, grouped by their size order */
545 int buf_count; /**< total number of buffers */
546 struct drm_buf **buflist; /**< Vector of pointers into drm_device_dma::bufs */
548 int page_count; /**< number of pages */
549 unsigned long *pagelist; /**< page list */
550 unsigned long byte_count;
552 _DRM_DMA_USE_AGP = 0x01,
553 _DRM_DMA_USE_SG = 0x02,
554 _DRM_DMA_USE_FB = 0x04,
555 _DRM_DMA_USE_PCI_RO = 0x08
560 typedef struct drm_agp_mem {
562 unsigned long bound; /* address */
564 struct drm_agp_mem *prev;
565 struct drm_agp_mem *next;
568 typedef struct drm_agp_head {
570 struct agp_info agp_info;
572 drm_agp_mem_t *memory;
578 int cant_use_aperture;
579 unsigned long page_mask;
582 typedef struct drm_sg_mem {
588 #define DRM_MAP_HANDLE_BITS (sizeof(void *) == 4 ? 4 : 24)
589 #define DRM_MAP_HANDLE_SHIFT (sizeof(void *) * 8 - DRM_MAP_HANDLE_BITS)
592 * Kernel side of a mapping
594 struct drm_local_map {
595 unsigned long offset; /* Physical address (0 for SAREA) */
596 unsigned long size; /* Physical size (bytes) */
597 enum drm_map_type type; /* Type of memory mapped */
598 enum drm_map_flags flags; /* Flags */
599 void *handle; /* User-space: "Handle" to pass to mmap */
600 /* Kernel-space: kernel-virtual address */
601 int mtrr; /* Boolean: MTRR used */
603 int rid; /* PCI resource ID for bus_space */
604 void *virtual; /* Kernel-space: kernel-virtual address */
605 struct resource *bsr;
607 bus_space_handle_t bsh;
608 drm_dma_handle_t *dmah;
609 TAILQ_ENTRY(drm_local_map) link;
612 typedef struct drm_local_map drm_local_map_t;
617 struct drm_map_list {
618 struct list_head head; /**< list head */
619 struct drm_hash_item hash;
620 struct drm_local_map *map; /**< mapping */
622 struct drm_master *master;
623 struct drm_mm_node *file_offset_node; /**< fake offset */
626 struct drm_vblank_info {
627 wait_queue_head_t queue; /* vblank wait queue */
628 atomic_t count; /* number of VBLANK interrupts */
629 /* (driver must alloc the right number of counters) */
630 atomic_t refcount; /* number of users of vblank interrupts */
631 u32 last; /* protected by dev->vbl_lock, used */
632 /* for wraparound handling */
633 int enabled; /* so we don't call enable more than */
634 /* once per disable */
635 int inmodeset; /* Display driver is setting mode */
638 /* location of GART table */
639 #define DRM_ATI_GART_MAIN 1
640 #define DRM_ATI_GART_FB 2
642 #define DRM_ATI_GART_PCI 1
643 #define DRM_ATI_GART_PCIE 2
644 #define DRM_ATI_GART_IGP 3
646 struct drm_ati_pcigart_info {
647 int gart_table_location;
651 dma_addr_t table_mask;
652 dma_addr_t member_mask;
653 struct drm_dma_handle *table_handle;
654 drm_local_map_t mapping;
656 struct drm_dma_handle *dmah; /* handle for ATI PCIGART table */
659 typedef vm_paddr_t resource_size_t;
662 * GEM specific mm private for tracking GEM objects
665 struct drm_open_hash offset_hash; /**< User token hash table for maps */
666 struct unrhdr *idxunr;
669 struct drm_gem_object {
670 /** Reference count of this object */
671 struct kref refcount;
673 /** Handle count of this object. Each handle also holds a reference */
674 atomic_t handle_count; /* number of handles on this object */
676 /** Related drm device */
677 struct drm_device *dev;
679 /** File representing the shmem storage: filp in Linux parlance */
683 struct drm_hash_item map_list;
686 * Size of the object, in bytes. Immutable over the object's
692 * Global name for this object, starts at 1. 0 means unnamed.
693 * Access is covered by the object_name_lock in the related drm_device
698 * Memory domains. These monitor which caches contain read/write data
699 * related to the object. When transitioning from one set of domains
700 * to another, the driver is called to ensure that caches are suitably
701 * flushed and invalidated
703 uint32_t read_domains;
704 uint32_t write_domain;
707 * While validating an exec operation, the
708 * new read/write domain values are computed here.
709 * They will be transferred to the above values
710 * at the point that any cache flushing occurs
712 uint32_t pending_read_domains;
713 uint32_t pending_write_domain;
715 void *driver_private;
718 /* dma buf exported from this GEM object */
719 struct dma_buf *export_dma_buf;
721 /* dma buf attachment backing this object */
722 struct dma_buf_attachment *import_attach;
723 #endif /* DUMBBELL_WIP */
726 #include "drm_crtc.h"
728 /* per-master structure */
731 struct kref refcount; /* refcount for this master */
733 struct list_head head; /**< each minor contains a list of masters */
734 struct drm_minor *minor; /**< link back to minor we are a master for */
736 char *unique; /**< Unique identifier: e.g., busid */
737 int unique_len; /**< Length of unique field */
738 int unique_size; /**< amount allocated */
740 int blocked; /**< Blocked due to VC switch? */
742 /** \name Authentication */
744 struct drm_open_hash magiclist;
745 struct list_head magicfree;
748 struct drm_lock_data lock; /**< Information on hardware lock */
750 void *driver_priv; /**< Private structure for driver to use */
753 /* Size of ringbuffer for vblank timestamps. Just double-buffer
754 * in initial implementation.
756 #define DRM_VBLANKTIME_RBSIZE 2
758 /* Flags and return codes for get_vblank_timestamp() driver function. */
759 #define DRM_CALLED_FROM_VBLIRQ 1
760 #define DRM_VBLANKTIME_SCANOUTPOS_METHOD (1 << 0)
761 #define DRM_VBLANKTIME_INVBL (1 << 1)
763 /* get_scanout_position() return flags */
764 #define DRM_SCANOUTPOS_VALID (1 << 0)
765 #define DRM_SCANOUTPOS_INVBL (1 << 1)
766 #define DRM_SCANOUTPOS_ACCURATE (1 << 2)
769 #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : (1ULL<<(n)) - 1)
772 #define upper_32_bits(n) ((u32)(((n) >> 16) >> 16))
775 int (*load)(struct drm_device *, unsigned long flags);
776 int (*use_msi)(struct drm_device *, unsigned long flags);
777 int (*firstopen)(struct drm_device *);
778 int (*open)(struct drm_device *, struct drm_file *);
779 void (*preclose)(struct drm_device *, struct drm_file *file_priv);
780 void (*postclose)(struct drm_device *, struct drm_file *);
781 void (*lastclose)(struct drm_device *);
782 int (*unload)(struct drm_device *);
783 void (*reclaim_buffers_locked)(struct drm_device *,
784 struct drm_file *file_priv);
785 int (*dma_ioctl)(struct drm_device *dev, void *data,
786 struct drm_file *file_priv);
787 void (*dma_ready)(struct drm_device *);
788 int (*dma_quiescent)(struct drm_device *);
789 int (*dma_flush_block_and_flush)(struct drm_device *, int context,
790 enum drm_lock_flags flags);
791 int (*dma_flush_unblock)(struct drm_device *, int context,
792 enum drm_lock_flags flags);
793 int (*context_ctor)(struct drm_device *dev, int context);
794 int (*context_dtor)(struct drm_device *dev, int context);
795 int (*kernel_context_switch)(struct drm_device *dev, int old,
797 int (*kernel_context_switch_unlock)(struct drm_device *dev);
798 void (*irq_preinstall)(struct drm_device *dev);
799 int (*irq_postinstall)(struct drm_device *dev);
800 void (*irq_uninstall)(struct drm_device *dev);
801 void (*irq_handler)(DRM_IRQ_ARGS);
803 u32 (*get_vblank_counter)(struct drm_device *dev, int crtc);
804 int (*enable_vblank)(struct drm_device *dev, int crtc);
805 void (*disable_vblank)(struct drm_device *dev, int crtc);
806 int (*get_scanout_position)(struct drm_device *dev, int crtc,
807 int *vpos, int *hpos);
809 int (*get_vblank_timestamp)(struct drm_device *dev, int crtc,
810 int *max_error, struct timeval *vblank_time,
813 int (*gem_init_object)(struct drm_gem_object *obj);
814 void (*gem_free_object)(struct drm_gem_object *obj);
815 int (*gem_open_object)(struct drm_gem_object *, struct drm_file *);
816 void (*gem_close_object)(struct drm_gem_object *, struct drm_file *);
818 struct cdev_pager_ops *gem_pager_ops;
820 int (*dumb_create)(struct drm_file *file_priv,
821 struct drm_device *dev, struct drm_mode_create_dumb *args);
822 int (*dumb_map_offset)(struct drm_file *file_priv,
823 struct drm_device *dev, uint32_t handle, uint64_t *offset);
824 int (*dumb_destroy)(struct drm_file *file_priv,
825 struct drm_device *dev, uint32_t handle);
827 int (*sysctl_init)(struct drm_device *dev,
828 struct sysctl_ctx_list *ctx, struct sysctl_oid *top);
829 void (*sysctl_cleanup)(struct drm_device *dev);
831 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */
834 * Called by \c drm_device_is_agp. Typically used to determine if a
835 * card is really attached to AGP or not.
837 * \param dev DRM device handle
840 * One of three values is returned depending on whether or not the
841 * card is absolutely \b not AGP (return of 0), absolutely \b is AGP
842 * (return of 1), or may or may not be AGP (return of 2).
844 int (*device_is_agp) (struct drm_device * dev);
846 drm_ioctl_desc_t *ioctls;
847 #ifdef COMPAT_FREEBSD32
848 drm_ioctl_desc_t *compat_ioctls;
849 int *compat_ioctls_nr;
858 const char *name; /* Simple driver name */
859 const char *desc; /* Longer driver name */
860 const char *date; /* Date of last major changes. */
866 * DRM minor structure. This structure represents a drm minor number.
869 int index; /**< Minor device number */
870 int type; /**< Control or render */
871 device_t kdev; /**< OS device */
872 struct drm_device *dev;
874 struct drm_master *master; /* currently active master for this node */
875 struct list_head master_list;
876 struct drm_mode_group mode_group;
879 /* mode specified on the command line */
880 struct drm_cmdline_mode {
882 bool refresh_specified;
891 enum drm_connector_force force;
895 struct drm_pending_vblank_event {
896 struct drm_pending_event base;
898 struct drm_event_vblank event;
901 /* Length for the array of resource pointers for drm_get_resource_*. */
902 #define DRM_MAX_PCI_RESOURCE 6
905 * DRM device structure. This structure represent a complete card that
906 * may contain multiple heads.
909 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */
911 uint16_t pci_device; /* PCI device id */
912 uint16_t pci_vendor; /* PCI vendor id */
913 uint16_t pci_subdevice; /* PCI subsystem device id */
914 uint16_t pci_subvendor; /* PCI subsystem vendor id */
916 char *unique; /* Unique identifier: e.g., busid */
917 int unique_len; /* Length of unique field */
918 struct cdev *devnode; /* Device number for mknod */
919 int if_version; /* Highest interface version set */
921 int flags; /* Flags to open(2) */
924 struct spinlock dma_lock; /* protects dev->dma */
925 struct lwkt_serialize irq_lock; /* protects irq condition checks */
926 struct lock dev_lock; /* protects everything else */
927 struct lock dev_struct_lock;
930 int open_count; /* Outstanding files open */
931 int buf_use; /* Buffers in use -- cannot alloc */
933 /* Performance counters */
934 unsigned long counters;
935 enum drm_stat_type types[15];
939 drm_file_list_t files;
940 drm_magic_head_t magiclist[DRM_HASH_SIZE];
942 /** \name Memory management */
944 struct list_head maplist; /**< Linked list of regions */
945 struct unrhdr *map_unrhdr;
947 drm_local_map_t **context_sareas;
950 drm_lock_data_t lock; /* Information on hardware lock */
952 /* DMA queues (contexts) */
953 drm_device_dma_t *dma; /* Optional pointer for DMA support */
955 /* Context support */
956 int irq; /* Interrupt used by board */
957 int msi_enabled; /* MSI enabled */
958 int irqrid; /* Interrupt used by board */
959 struct resource *irqr; /* Resource for interrupt used by board */
960 void *irqh; /* Handle from bus_setup_intr */
962 /* Storage of resource pointers for drm_get_resource_* */
963 struct resource *pcir[DRM_MAX_PCI_RESOURCE];
964 int pcirid[DRM_MAX_PCI_RESOURCE];
971 /** \name Context support */
973 int irq_enabled; /**< True if irq handler is enabled */
974 __volatile__ long context_flag; /**< Context swapping flag */
975 int last_context; /**< Last current context */
980 struct sigio *buf_sigio; /* Processes waiting for SIGIO */
983 struct drm_sysctl_info *sysctl;
988 struct device *dev; /**< Device structure */
990 drm_sg_mem_t *sg; /* Scatter gather memory */
991 unsigned long *ctx_bitmap;
996 int vblank_disable_allowed;
998 atomic_t *_vblank_count; /**< number of VBLANK interrupts (driver must alloc the right number of counters) */
999 struct timeval *_vblank_time; /**< timestamp of current vblank_count (drivers must alloc right number of fields) */
1000 struct lock vblank_time_lock; /**< Protects vblank count and time updates during vblank enable/disable */
1001 struct lock vbl_lock;
1002 atomic_t *vblank_refcount; /* number of users of vblank interruptsper crtc */
1003 u32 *last_vblank; /* protected by dev->vbl_lock, used */
1004 /* for wraparound handling */
1005 int *vblank_enabled; /* so we don't call enable more than
1007 int *vblank_inmodeset; /* Display driver is setting mode */
1008 u32 *last_vblank_wait; /* Last vblank seqno waited per CRTC */
1009 struct callout vblank_disable_callout;
1011 u32 max_vblank_count; /**< size of vblank counter register */
1013 struct list_head vblank_event_list;
1014 struct lock event_lock;
1016 struct drm_driver *driver;
1017 struct drm_local_map *agp_buffer_map;
1018 unsigned int agp_buffer_token;
1019 struct drm_minor *control; /**< Control node for card */
1020 struct drm_minor *primary; /**< render type primary screen head */
1022 struct drm_mode_config mode_config; /**< Current mode config */
1024 /** \name GEM information */
1026 struct lock object_name_lock;
1027 struct idr object_name_idr;
1031 void *sysctl_private;
1032 char busid_str[128];
1035 int switch_power_state;
1038 #define DRM_SWITCH_POWER_ON 0
1039 #define DRM_SWITCH_POWER_OFF 1
1040 #define DRM_SWITCH_POWER_CHANGING 2
1042 static __inline__ int drm_core_check_feature(struct drm_device *dev,
1045 return ((dev->driver->driver_features & feature) ? 1 : 0);
1049 static inline int drm_core_has_AGP(struct drm_device *dev)
1051 return drm_core_check_feature(dev, DRIVER_USE_AGP);
1054 #define drm_core_has_AGP(dev) (0)
1064 DMI_PRODUCT_VERSION,
1071 DMI_BOARD_ASSET_TAG,
1074 DMI_CHASSIS_VERSION,
1076 DMI_CHASSIS_ASSET_TAG,
1080 struct dmi_strmatch {
1085 struct dmi_system_id {
1086 int (*callback)(const struct dmi_system_id *);
1088 struct dmi_strmatch matches[4];
1090 #define DMI_MATCH(a, b) {(a), (b)}
1091 bool dmi_check_system(const struct dmi_system_id *);
1093 extern int drm_notyet_flag;
1094 extern int drm_debug;
1096 extern unsigned int drm_vblank_offdelay;
1097 extern unsigned int drm_timestamp_precision;
1099 /* Device setup support (drm_drv.c) */
1100 int drm_probe(device_t kdev, drm_pci_id_list_t *idlist);
1101 int drm_attach(device_t kdev, drm_pci_id_list_t *idlist);
1102 int drm_create_cdevs(device_t kdev);
1103 int drm_detach(device_t kdev);
1104 d_ioctl_t drm_ioctl;
1106 d_close_t drm_close;
1108 d_kqfilter_t drm_kqfilter;
1110 d_mmap_single_t drm_mmap_single;
1111 extern drm_local_map_t *drm_getsarea(struct drm_device *dev);
1113 void drm_event_wakeup(struct drm_pending_event *e);
1115 int drm_add_busid_modesetting(struct drm_device *dev,
1116 struct sysctl_ctx_list *ctx, struct sysctl_oid *top);
1118 /* File operations helpers (drm_fops.c) */
1119 extern int drm_open_helper(struct cdev *kdev, int flags, int fmt,
1121 struct drm_device *dev);
1122 extern struct drm_file *drm_find_file_by_proc(struct drm_device *dev,
1126 extern int drm_gem_prime_handle_to_fd(struct drm_device *dev,
1127 struct drm_file *file_priv, uint32_t handle, uint32_t flags,
1129 extern int drm_gem_prime_fd_to_handle(struct drm_device *dev,
1130 struct drm_file *file_priv, int prime_fd, uint32_t *handle);
1132 extern int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data,
1133 struct drm_file *file_priv);
1134 extern int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data,
1135 struct drm_file *file_priv);
1142 extern int drm_prime_sg_to_page_addr_arrays(struct sg_table *sgt, vm_page_t *pages,
1143 dma_addr_t *addrs, int max_pages);
1144 #endif /* DUMBBELL_WIP */
1145 extern struct sg_table *drm_prime_pages_to_sg(vm_page_t *pages, int nr_pages);
1146 extern void drm_prime_gem_destroy(struct drm_gem_object *obj, struct sg_table *sg);
1149 void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv);
1150 void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv);
1151 int drm_prime_add_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t handle);
1152 int drm_prime_lookup_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t *handle);
1153 void drm_prime_remove_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf);
1155 int drm_prime_add_dma_buf(struct drm_device *dev, struct drm_gem_object *obj);
1156 int drm_prime_lookup_obj(struct drm_device *dev, struct dma_buf *buf,
1157 struct drm_gem_object **obj);
1158 #endif /* DUMBBELL_WIP */
1160 /* Memory management support (drm_memory.c) */
1161 void drm_mem_init(void);
1162 void drm_mem_uninit(void);
1163 void *drm_ioremap_wc(struct drm_device *dev, drm_local_map_t *map);
1164 void *drm_ioremap(struct drm_device *dev, drm_local_map_t *map);
1165 void drm_ioremapfree(drm_local_map_t *map);
1166 int drm_mtrr_add(unsigned long offset, size_t size, int flags);
1167 int drm_mtrr_del(int handle, unsigned long offset, size_t size, int flags);
1169 int drm_ctxbitmap_init(struct drm_device *dev);
1170 void drm_ctxbitmap_cleanup(struct drm_device *dev);
1171 void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle);
1172 int drm_ctxbitmap_next(struct drm_device *dev);
1174 /* Locking IOCTL support (drm_lock.c) */
1175 int drm_lock_take(struct drm_lock_data *lock_data,
1176 unsigned int context);
1177 int drm_lock_transfer(struct drm_lock_data *lock_data,
1178 unsigned int context);
1179 int drm_lock_free(struct drm_lock_data *lock_data,
1180 unsigned int context);
1182 /* Buffer management support (drm_bufs.c) */
1183 unsigned long drm_get_resource_start(struct drm_device *dev,
1184 unsigned int resource);
1185 unsigned long drm_get_resource_len(struct drm_device *dev,
1186 unsigned int resource);
1187 void drm_rmmap(struct drm_device *dev, drm_local_map_t *map);
1188 int drm_order(unsigned long size);
1189 int drm_addmap(struct drm_device *dev, unsigned long offset,
1191 enum drm_map_type type, enum drm_map_flags flags,
1192 drm_local_map_t **map_ptr);
1193 int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc *request);
1194 int drm_addbufs_sg(struct drm_device *dev, struct drm_buf_desc *request);
1195 int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc *request);
1197 /* DMA support (drm_dma.c) */
1198 int drm_dma_setup(struct drm_device *dev);
1199 void drm_dma_takedown(struct drm_device *dev);
1200 void drm_free_buffer(struct drm_device *dev, drm_buf_t *buf);
1201 void drm_reclaim_buffers(struct drm_device *dev, struct drm_file *file_priv);
1202 #define drm_core_reclaim_buffers drm_reclaim_buffers
1204 /* IRQ support (drm_irq.c) */
1205 int drm_irq_install(struct drm_device *dev);
1206 int drm_irq_uninstall(struct drm_device *dev);
1207 irqreturn_t drm_irq_handler(DRM_IRQ_ARGS);
1208 void drm_driver_irq_preinstall(struct drm_device *dev);
1209 void drm_driver_irq_postinstall(struct drm_device *dev);
1210 void drm_driver_irq_uninstall(struct drm_device *dev);
1212 void drm_vblank_pre_modeset(struct drm_device *dev, int crtc);
1213 void drm_vblank_post_modeset(struct drm_device *dev, int crtc);
1214 int drm_modeset_ctl(struct drm_device *dev, void *data,
1215 struct drm_file *file_priv);
1217 extern int drm_vblank_init(struct drm_device *dev, int num_crtcs);
1218 extern int drm_wait_vblank(struct drm_device *dev, void *data,
1219 struct drm_file *filp);
1220 extern int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq);
1221 extern u32 drm_vblank_count(struct drm_device *dev, int crtc);
1222 extern u32 drm_vblank_count_and_time(struct drm_device *dev, int crtc,
1223 struct timeval *vblanktime);
1224 extern bool drm_handle_vblank(struct drm_device *dev, int crtc);
1225 void drm_handle_vblank_events(struct drm_device *dev, int crtc);
1226 extern int drm_vblank_get(struct drm_device *dev, int crtc);
1227 extern void drm_vblank_put(struct drm_device *dev, int crtc);
1228 extern void drm_vblank_off(struct drm_device *dev, int crtc);
1229 extern void drm_vblank_cleanup(struct drm_device *dev);
1230 extern u32 drm_get_last_vbltimestamp(struct drm_device *dev, int crtc,
1231 struct timeval *tvblank, unsigned flags);
1232 extern int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev,
1233 int crtc, int *max_error,
1234 struct timeval *vblank_time,
1236 struct drm_crtc *refcrtc);
1237 extern void drm_calc_timestamping_constants(struct drm_crtc *crtc);
1239 struct timeval ns_to_timeval(const int64_t nsec);
1240 int64_t timeval_to_ns(const struct timeval *tv);
1242 /* AGP/PCI Express/GART support (drm_agpsupport.c) */
1243 int drm_device_is_agp(struct drm_device *dev);
1244 int drm_device_is_pcie(struct drm_device *dev);
1245 drm_agp_head_t *drm_agp_init(void);
1246 int drm_agp_acquire(struct drm_device *dev);
1247 int drm_agp_release(struct drm_device *dev);
1248 int drm_agp_info(struct drm_device * dev, struct drm_agp_info *info);
1249 int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode);
1250 void *drm_agp_allocate_memory(size_t pages, u32 type);
1251 int drm_agp_free_memory(void *handle);
1252 int drm_agp_bind_memory(void *handle, off_t start);
1253 int drm_agp_unbind_memory(void *handle);
1254 int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request);
1255 int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request);
1256 int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request);
1257 int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request);
1259 /* Scatter Gather Support (drm_scatter.c) */
1260 void drm_sg_cleanup(drm_sg_mem_t *entry);
1261 int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request);
1263 /* sysctl support (drm_sysctl.h) */
1264 extern int drm_sysctl_init(struct drm_device *dev);
1265 extern int drm_sysctl_cleanup(struct drm_device *dev);
1267 /* ATI PCIGART support (ati_pcigart.c) */
1268 int drm_ati_pcigart_init(struct drm_device *dev,
1269 struct drm_ati_pcigart_info *gart_info);
1270 int drm_ati_pcigart_cleanup(struct drm_device *dev,
1271 struct drm_ati_pcigart_info *gart_info);
1273 /* Cache management (drm_memory.c) */
1274 void drm_clflush_pages(vm_page_t *pages, unsigned long num_pages);
1276 /* Locking IOCTL support (drm_drv.c) */
1277 int drm_lock(struct drm_device *dev, void *data,
1278 struct drm_file *file_priv);
1279 int drm_unlock(struct drm_device *dev, void *data,
1280 struct drm_file *file_priv);
1281 int drm_version(struct drm_device *dev, void *data,
1282 struct drm_file *file_priv);
1283 int drm_setversion(struct drm_device *dev, void *data,
1284 struct drm_file *file_priv);
1286 /* Misc. IOCTL support (drm_ioctl.c) */
1287 int drm_irq_by_busid(struct drm_device *dev, void *data,
1288 struct drm_file *file_priv);
1289 int drm_getunique(struct drm_device *dev, void *data,
1290 struct drm_file *file_priv);
1291 int drm_setunique(struct drm_device *dev, void *data,
1292 struct drm_file *file_priv);
1293 int drm_getmap(struct drm_device *dev, void *data,
1294 struct drm_file *file_priv);
1295 int drm_getclient(struct drm_device *dev, void *data,
1296 struct drm_file *file_priv);
1297 int drm_getstats(struct drm_device *dev, void *data,
1298 struct drm_file *file_priv);
1299 int drm_getcap(struct drm_device *dev, void *data,
1300 struct drm_file *file_priv);
1301 int drm_noop(struct drm_device *dev, void *data,
1302 struct drm_file *file_priv);
1304 /* Context IOCTL support (drm_context.c) */
1305 int drm_resctx(struct drm_device *dev, void *data,
1306 struct drm_file *file_priv);
1307 int drm_addctx(struct drm_device *dev, void *data,
1308 struct drm_file *file_priv);
1309 int drm_modctx(struct drm_device *dev, void *data,
1310 struct drm_file *file_priv);
1311 int drm_getctx(struct drm_device *dev, void *data,
1312 struct drm_file *file_priv);
1313 int drm_switchctx(struct drm_device *dev, void *data,
1314 struct drm_file *file_priv);
1315 int drm_newctx(struct drm_device *dev, void *data,
1316 struct drm_file *file_priv);
1317 int drm_rmctx(struct drm_device *dev, void *data,
1318 struct drm_file *file_priv);
1319 int drm_setsareactx(struct drm_device *dev, void *data,
1320 struct drm_file *file_priv);
1321 int drm_getsareactx(struct drm_device *dev, void *data,
1322 struct drm_file *file_priv);
1324 /* Authentication IOCTL support (drm_auth.c) */
1325 int drm_getmagic(struct drm_device *dev, void *data,
1326 struct drm_file *file_priv);
1327 int drm_authmagic(struct drm_device *dev, void *data,
1328 struct drm_file *file_priv);
1330 /* Buffer management support (drm_bufs.c) */
1331 int drm_addmap_ioctl(struct drm_device *dev, void *data,
1332 struct drm_file *file_priv);
1333 int drm_rmmap_ioctl(struct drm_device *dev, void *data,
1334 struct drm_file *file_priv);
1335 int drm_addbufs(struct drm_device *dev, void *data,
1336 struct drm_file *file_priv);
1337 int drm_infobufs(struct drm_device *dev, void *data,
1338 struct drm_file *file_priv);
1339 int drm_markbufs(struct drm_device *dev, void *data,
1340 struct drm_file *file_priv);
1341 int drm_freebufs(struct drm_device *dev, void *data,
1342 struct drm_file *file_priv);
1343 int drm_mapbufs(struct drm_device *dev, void *data,
1344 struct drm_file *file_priv);
1346 /* DMA support (drm_dma.c) */
1347 int drm_dma(struct drm_device *dev, void *data, struct drm_file *file_priv);
1349 /* IRQ support (drm_irq.c) */
1350 int drm_control(struct drm_device *dev, void *data,
1351 struct drm_file *file_priv);
1353 /* AGP/GART support (drm_agpsupport.c) */
1354 int drm_agp_acquire_ioctl(struct drm_device *dev, void *data,
1355 struct drm_file *file_priv);
1356 int drm_agp_release_ioctl(struct drm_device *dev, void *data,
1357 struct drm_file *file_priv);
1358 int drm_agp_enable_ioctl(struct drm_device *dev, void *data,
1359 struct drm_file *file_priv);
1360 int drm_agp_info_ioctl(struct drm_device *dev, void *data,
1361 struct drm_file *file_priv);
1362 int drm_agp_alloc_ioctl(struct drm_device *dev, void *data,
1363 struct drm_file *file_priv);
1364 int drm_agp_free_ioctl(struct drm_device *dev, void *data,
1365 struct drm_file *file_priv);
1366 int drm_agp_unbind_ioctl(struct drm_device *dev, void *data,
1367 struct drm_file *file_priv);
1368 int drm_agp_bind_ioctl(struct drm_device *dev, void *data,
1369 struct drm_file *file_priv);
1371 /* Stub support (drm_stub.h) */
1372 extern int drm_setmaster_ioctl(struct drm_device *dev, void *data,
1373 struct drm_file *file_priv);
1374 extern int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
1375 struct drm_file *file_priv);
1377 /* Scatter Gather Support (drm_scatter.c) */
1378 int drm_sg_alloc_ioctl(struct drm_device *dev, void *data,
1379 struct drm_file *file_priv);
1380 int drm_sg_free(struct drm_device *dev, void *data,
1381 struct drm_file *file_priv);
1383 /* consistent PCI memory functions (drm_pci.c) */
1384 drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size,
1385 size_t align, dma_addr_t maxaddr);
1386 void drm_pci_free(struct drm_device *dev, drm_dma_handle_t *dmah);
1388 /* Graphics Execution Manager library functions (drm_gem.c) */
1389 int drm_gem_init(struct drm_device *dev);
1390 void drm_gem_destroy(struct drm_device *dev);
1391 void drm_gem_object_release(struct drm_gem_object *obj);
1392 void drm_gem_object_free(struct kref *kref);
1394 int drm_gem_close_ioctl(struct drm_device *dev, void *data,
1395 struct drm_file *file_priv);
1396 int drm_gem_flink_ioctl(struct drm_device *dev, void *data,
1397 struct drm_file *file_priv);
1398 int drm_gem_open_ioctl(struct drm_device *dev, void *data,
1399 struct drm_file *file_priv);
1400 void drm_gem_object_handle_free(struct drm_gem_object *obj);
1402 #include <drm/drm_global.h>
1405 drm_gem_object_reference(struct drm_gem_object *obj)
1407 kref_get(&obj->refcount);
1411 drm_gem_object_unreference(struct drm_gem_object *obj)
1414 kref_put(&obj->refcount, drm_gem_object_free);
1418 drm_gem_object_unreference_unlocked(struct drm_gem_object *obj)
1421 struct drm_device *dev = obj->dev;
1423 kref_put(&obj->refcount, drm_gem_object_free);
1428 int drm_gem_handle_create(struct drm_file *file_priv,
1429 struct drm_gem_object *obj,
1431 int drm_gem_handle_delete(struct drm_file *filp, u32 handle);
1434 drm_gem_object_handle_reference(struct drm_gem_object *obj)
1436 drm_gem_object_reference(obj);
1437 atomic_inc(&obj->handle_count);
1441 drm_gem_object_handle_unreference(struct drm_gem_object *obj)
1446 if (atomic_read(&obj->handle_count) == 0)
1449 * Must bump handle count first as this may be the last
1450 * ref, in which case the object would disappear before we
1451 * checked for a name
1453 if (atomic_dec_and_test(&obj->handle_count))
1454 drm_gem_object_handle_free(obj);
1455 drm_gem_object_unreference(obj);
1459 drm_gem_object_handle_unreference_unlocked(struct drm_gem_object *obj)
1464 if (atomic_read(&obj->handle_count) == 0)
1468 * Must bump handle count first as this may be the last
1469 * ref, in which case the object would disappear before we
1470 * checked for a name
1473 if (atomic_dec_and_test(&obj->handle_count))
1474 drm_gem_object_handle_free(obj);
1475 drm_gem_object_unreference_unlocked(obj);
1478 int drm_gem_object_init(struct drm_device *dev, struct drm_gem_object *obj,
1480 int drm_gem_private_object_init(struct drm_device *dev,
1481 struct drm_gem_object *obj, size_t size);
1482 struct drm_gem_object *drm_gem_object_alloc(struct drm_device *dev,
1484 struct drm_gem_object *drm_gem_object_lookup(struct drm_device *dev,
1485 struct drm_file *file_priv, uint32_t handle);
1487 void drm_gem_open(struct drm_device *dev, struct drm_file *file_priv);
1488 void drm_gem_release(struct drm_device *dev, struct drm_file *file_priv);
1490 int drm_gem_create_mmap_offset(struct drm_gem_object *obj);
1491 void drm_gem_free_mmap_offset(struct drm_gem_object *obj);
1492 int drm_gem_mmap_single(struct drm_device *dev, vm_ooffset_t *offset,
1493 vm_size_t size, struct vm_object **obj_res, int nprot);
1494 void drm_gem_pager_dtr(void *obj);
1496 struct ttm_bo_device;
1497 int ttm_bo_mmap_single(struct ttm_bo_device *bdev, vm_ooffset_t *offset,
1498 vm_size_t size, struct vm_object **obj_res, int nprot);
1499 struct ttm_buffer_object;
1500 void ttm_bo_release_mmap(struct ttm_buffer_object *bo);
1502 void drm_device_lock_mtx(struct drm_device *dev);
1503 void drm_device_unlock_mtx(struct drm_device *dev);
1504 int drm_device_sleep_mtx(struct drm_device *dev, void *chan, int flags,
1505 const char *msg, int timeout);
1506 void drm_device_assert_mtx_locked(struct drm_device *dev);
1507 void drm_device_assert_mtx_unlocked(struct drm_device *dev);
1509 void drm_device_lock_struct(struct drm_device *dev);
1510 void drm_device_unlock_struct(struct drm_device *dev);
1511 int drm_device_sleep_struct(struct drm_device *dev, void *chan, int flags,
1512 const char *msg, int timeout);
1513 void drm_device_assert_struct_locked(struct drm_device *dev);
1514 void drm_device_assert_struct_unlocked(struct drm_device *dev);
1516 void drm_compat_locking_init(struct drm_device *dev);
1517 void drm_sleep_locking_init(struct drm_device *dev);
1520 bool drm_mode_parse_command_line_for_connector(const char *mode_option,
1521 struct drm_connector *connector, struct drm_cmdline_mode *mode);
1522 struct drm_display_mode *drm_mode_create_from_cmdline_mode(
1523 struct drm_device *dev, struct drm_cmdline_mode *cmd);
1525 /* Inline replacements for drm_alloc and friends */
1526 static __inline__ void *
1527 drm_alloc(size_t size, struct malloc_type *area)
1529 return kmalloc(size, area, M_NOWAIT);
1532 static __inline__ void *
1533 drm_calloc(size_t nmemb, size_t size, struct malloc_type *area)
1535 return kmalloc(size * nmemb, area, M_NOWAIT | M_ZERO);
1538 static __inline__ void *
1539 drm_realloc(void *oldpt, size_t oldsize, size_t size,
1540 struct malloc_type *area)
1543 res = krealloc(oldpt, size, area, M_NOWAIT);
1544 if (res == NULL && oldpt != NULL)
1549 static __inline__ void
1550 drm_free(void *pt, struct malloc_type *area)
1556 /* Inline replacements for DRM_IOREMAP macros */
1557 static __inline__ void
1558 drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev)
1560 map->virtual = drm_ioremap_wc(dev, map);
1562 static __inline__ void
1563 drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev)
1565 map->virtual = drm_ioremap(dev, map);
1567 static __inline__ void
1568 drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev)
1570 if ( map->virtual && map->size )
1571 drm_ioremapfree(map);
1574 static __inline__ struct drm_local_map *
1575 drm_core_findmap(struct drm_device *dev, unsigned long offset)
1577 struct drm_map_list *_entry;
1579 list_for_each_entry(_entry, &dev->maplist, head) {
1580 if (offset == (unsigned long)_entry->map->handle)
1586 static __inline__ void drm_core_dropmap(struct drm_map *map)
1590 /* FreeBSD compatibility macros */
1591 #define PROC_LOCK(p)
1592 #define PROC_UNLOCK(p)
1594 #define VM_OBJECT_RLOCK(object) VM_OBJECT_LOCK(object)
1595 #define VM_OBJECT_RUNLOCK(object) VM_OBJECT_UNLOCK(object)
1596 #define VM_OBJECT_WLOCK(object) VM_OBJECT_LOCK(object)
1597 #define VM_OBJECT_WUNLOCK(object) VM_OBJECT_UNLOCK(object)
1599 #define CTR2(one,two,three,four)
1601 #define DRM_PCIE_SPEED_25 1
1602 #define DRM_PCIE_SPEED_50 2
1603 #define DRM_PCIE_SPEED_80 4
1605 extern int drm_pcie_get_speed_cap_mask(struct drm_device *dev, u32 *speed_mask);
1607 #define drm_can_sleep() (DRM_HZ & 1)
1609 #endif /* __KERNEL__ */
1610 #endif /* _DRM_P_H_ */