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 <dev/drm/drm_atomic.h>
97 #include "drm_linux_list.h"
98 #include "drm_gem_names.h"
100 #include <linux/kref.h>
105 #include "drm_os_freebsd.h"
106 #include "drm_hashtab.h"
111 #define DRM_DEBUG_DEFAULT_ON 1
112 #endif /* DRM_DEBUG */
114 #define DRM_DEBUGBITS_DEBUG 0x1
115 #define DRM_DEBUGBITS_KMS 0x2
116 #define DRM_DEBUGBITS_FAILED_IOCTL 0x4
121 /***********************************************************************/
122 /** \name DRM template customization defaults */
125 /* driver capabilities and requirements mask */
126 #define DRIVER_USE_AGP 0x1
127 #define DRIVER_REQUIRE_AGP 0x2
128 #define DRIVER_USE_MTRR 0x4
129 #define DRIVER_PCI_DMA 0x8
130 #define DRIVER_SG 0x10
131 #define DRIVER_HAVE_DMA 0x20
132 #define DRIVER_HAVE_IRQ 0x40
133 #define DRIVER_IRQ_SHARED 0x80
134 #define DRIVER_IRQ_VBL 0x100
135 #define DRIVER_DMA_QUEUE 0x200
136 #define DRIVER_FB_DMA 0x400
137 #define DRIVER_IRQ_VBL2 0x800
138 #define DRIVER_GEM 0x1000
139 #define DRIVER_MODESET 0x2000
140 #define DRIVER_PRIME 0x4000
141 #define DRIVER_LOCKLESS_IRQ 0x8000
144 #define DRM_HASH_SIZE 16 /* Size of key hash table */
145 #define DRM_KERNEL_CONTEXT 0 /* Change drm_resctx if changed */
146 #define DRM_RESERVED_CONTEXTS 1 /* Change drm_resctx if changed */
148 #define DRM_GEM_MAPPING_MASK (3ULL << 62)
149 #define DRM_GEM_MAPPING_KEY (2ULL << 62) /* Non-canonical address form */
150 #define DRM_GEM_MAX_IDX 0x3fffff
151 #define DRM_GEM_MAPPING_IDX(o) (((o) >> 40) & DRM_GEM_MAX_IDX)
152 #define DRM_GEM_MAPPING_OFF(i) (((uint64_t)(i)) << 40)
153 #define DRM_GEM_MAPPING_MAPOFF(o) \
154 ((o) & ~(DRM_GEM_MAPPING_OFF(DRM_GEM_MAX_IDX) | DRM_GEM_MAPPING_KEY))
156 MALLOC_DECLARE(DRM_MEM_DMA);
157 MALLOC_DECLARE(DRM_MEM_SAREA);
158 MALLOC_DECLARE(DRM_MEM_DRIVER);
159 MALLOC_DECLARE(DRM_MEM_MAGIC);
160 MALLOC_DECLARE(DRM_MEM_MAPS);
161 MALLOC_DECLARE(DRM_MEM_BUFS);
162 MALLOC_DECLARE(DRM_MEM_SEGS);
163 MALLOC_DECLARE(DRM_MEM_PAGES);
164 MALLOC_DECLARE(DRM_MEM_FILES);
165 MALLOC_DECLARE(DRM_MEM_BUFLISTS);
166 MALLOC_DECLARE(DRM_MEM_AGPLISTS);
167 MALLOC_DECLARE(DRM_MEM_CTXBITMAP);
168 MALLOC_DECLARE(DRM_MEM_SGLISTS);
169 MALLOC_DECLARE(DRM_MEM_DRAWABLE);
170 MALLOC_DECLARE(DRM_MEM_MM);
171 MALLOC_DECLARE(DRM_MEM_HASHTAB);
172 MALLOC_DECLARE(DRM_MEM_KMS);
174 SYSCTL_DECL(_hw_drm);
176 #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8)
178 /***********************************************************************/
179 /** \name Internal types and structures */
182 #define DRM_ARRAY_SIZE(x) NELEM(x)
183 #define DRM_MIN(a,b) ((a)<(b)?(a):(b))
184 #define DRM_MAX(a,b) ((a)>(b)?(a):(b))
186 #define DRM_IF_VERSION(maj, min) (maj << 16 | min)
188 #define __OS_HAS_AGP 1
190 #define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP)
191 #define DRM_DEV_UID 0
192 #define DRM_DEV_GID 0
194 #define wait_queue_head_t atomic_t
195 #define DRM_WAKEUP(w) wakeup((void *)w)
196 #define DRM_WAKEUP_INT(w) wakeup(w)
197 #define DRM_INIT_WAITQUEUE(queue) do {(void)(queue);} while (0)
199 #define DRM_CURPROC curthread
200 #define DRM_STRUCTPROC struct thread
201 #define DRM_CURRENTPID curthread->td_proc->p_pid
202 #define DRM_LOCK(dev) lockmgr(&(dev)->dev_struct_lock, LK_EXCLUSIVE)
203 #define DRM_UNLOCK(dev) lockmgr(&(dev)->dev_struct_lock, LK_RELEASE)
204 #define DRM_LOCK_SLEEP(dev, chan, flags, msg, timeout) \
205 (lksleep((chan), &(dev)->dev_struct_lock, (flags), (msg), (timeout)))
206 #if defined(INVARIANTS)
207 #define DRM_LOCK_ASSERT(dev) KKASSERT(lockstatus(&(dev)->dev_struct_lock, curthread) != 0);
208 #define DRM_UNLOCK_ASSERT(dev) KKASSERT(lockstatus(&(dev)->dev_struct_lock, curthread) == 0);
210 #define DRM_LOCK_ASSERT(d)
211 #define DRM_UNLOCK_ASSERT(d)
214 #define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS)
216 #define DRM_IRQ_ARGS void *arg
217 typedef void irqreturn_t;
218 #define IRQ_HANDLED /* nothing */
219 #define IRQ_NONE /* nothing */
226 #define DRM_AGP_MEM struct agp_memory_info
228 #define drm_get_device_from_kdev(_kdev) (_kdev->si_drv1)
230 #define PAGE_ALIGN(addr) round_page(addr)
231 /* DRM_SUSER returns true if the user is superuser */
232 #define DRM_SUSER(p) (priv_check(p, PRIV_DRIVER) == 0)
233 #define DRM_AGP_FIND_DEVICE() agp_find_device()
234 #define DRM_MTRR_WC MDF_WRITECOMBINE
235 #define jiffies ticks
236 #define jiffies_to_msecs(x) (((int64_t)(x)) * 1000 / hz)
237 #define msecs_to_jiffies(x) (((int64_t)(x)) * hz / 1000)
238 #define time_after(a,b) ((long)(b) - (long)(a) < 0)
239 #define time_after_eq(a,b) ((long)(b) - (long)(a) <= 0)
241 /* DRM_READMEMORYBARRIER() prevents reordering of reads.
242 * DRM_WRITEMEMORYBARRIER() prevents reordering of writes.
243 * DRM_MEMORYBARRIER() prevents reordering of reads and writes.
245 #define DRM_READMEMORYBARRIER() cpu_lfence()
246 #define DRM_WRITEMEMORYBARRIER() cpu_sfence()
247 #define DRM_MEMORYBARRIER() cpu_mfence()
249 #define DRM_READ8(map, offset) \
250 *(volatile u_int8_t *)(((vm_offset_t)(map)->virtual) + \
251 (vm_offset_t)(offset))
252 #define DRM_READ16(map, offset) \
253 le16toh(*(volatile u_int16_t *)(((vm_offset_t)(map)->virtual) + \
254 (vm_offset_t)(offset)))
255 #define DRM_READ32(map, offset) \
256 le32toh(*(volatile u_int32_t *)(((vm_offset_t)(map)->virtual) + \
257 (vm_offset_t)(offset)))
258 #define DRM_READ64(map, offset) \
259 le64toh(*(volatile u_int64_t *)(((vm_offset_t)(map)->virtual) + \
260 (vm_offset_t)(offset)))
261 #define DRM_WRITE8(map, offset, val) \
262 *(volatile u_int8_t *)(((vm_offset_t)(map)->virtual) + \
263 (vm_offset_t)(offset)) = val
264 #define DRM_WRITE16(map, offset, val) \
265 *(volatile u_int16_t *)(((vm_offset_t)(map)->virtual) + \
266 (vm_offset_t)(offset)) = htole16(val)
267 #define DRM_WRITE32(map, offset, val) \
268 *(volatile u_int32_t *)(((vm_offset_t)(map)->virtual) + \
269 (vm_offset_t)(offset)) = htole32(val)
270 #define DRM_WRITE64(map, offset, val) \
271 *(volatile u_int64_t *)(((vm_offset_t)(map)->virtual) + \
272 (vm_offset_t)(offset)) = htole64(val)
274 #define DRM_VERIFYAREA_READ( uaddr, size ) \
275 (!useracc(__DECONST(caddr_t, uaddr), size, VM_PROT_READ))
277 #define DRM_COPY_TO_USER(user, kern, size) \
278 copyout(kern, user, size)
279 #define DRM_COPY_FROM_USER(kern, user, size) \
280 copyin(user, kern, size)
281 #define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \
282 copyin(arg2, arg1, arg3)
283 #define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \
284 copyout(arg2, arg1, arg3)
285 #define DRM_GET_USER_UNCHECKED(val, uaddr) \
286 ((val) = fuword32(uaddr), 0)
288 #define drm_can_sleep() (DRM_HZ & 1)
290 #define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \
291 (_map) = (_dev)->context_sareas[_ctx]; \
294 #define LOCK_TEST_WITH_RETURN(dev, file_priv) \
296 if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \
297 dev->lock.file_priv != file_priv) { \
298 DRM_ERROR("%s called without lock held\n", \
304 /* Returns -errno to shared code */
305 #define DRM_WAIT_ON( ret, queue, timeout, condition ) \
306 for ( ret = 0 ; !ret && !(condition) ; ) { \
308 lwkt_serialize_enter(&dev->irq_lock); \
309 if (!(condition)) { \
310 tsleep_interlock(&(queue), PCATCH); \
311 lwkt_serialize_exit(&dev->irq_lock); \
312 ret = -tsleep(&(queue), PCATCH | PINTERLOCKED, \
313 "drmwtq", (timeout)); \
315 lwkt_serialize_exit(&dev->irq_lock); \
321 vm_page_unhold_pages(vm_page_t *ma, int count)
325 for (i = 0; i < count; i++)
326 vm_page_unhold(ma[i]);
329 int vm_phys_fictitious_reg_range(vm_paddr_t start, vm_paddr_t end,
330 vm_memattr_t memattr);
331 void vm_phys_fictitious_unreg_range(vm_paddr_t start, vm_paddr_t end);
332 vm_page_t vm_phys_fictitious_to_vm_page(vm_paddr_t pa);
334 #define DRM_ERROR(fmt, ...) \
335 kprintf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt, \
336 DRM_CURRENTPID, __func__ , ##__VA_ARGS__)
338 #define DRM_INFO(fmt, ...) kprintf("info: [" DRM_NAME "] " fmt , ##__VA_ARGS__)
340 #define DRM_DEBUG(fmt, ...) do { \
341 if ((drm_debug_flag & DRM_DEBUGBITS_DEBUG) != 0) \
342 kprintf("[" DRM_NAME ":pid%d:%s] " fmt, DRM_CURRENTPID, \
343 __func__ , ##__VA_ARGS__); \
346 #define DRM_DEBUG_KMS(fmt, ...) do { \
347 if ((drm_debug_flag & DRM_DEBUGBITS_KMS) != 0) \
348 kprintf("[" DRM_NAME ":KMS:pid%d:%s] " fmt, DRM_CURRENTPID,\
349 __func__ , ##__VA_ARGS__); \
352 #define DRM_DEBUG_DRIVER(fmt, ...) do { \
353 if ((drm_debug_flag & DRM_DEBUGBITS_KMS) != 0) \
354 kprintf("[" DRM_NAME ":KMS:pid%d:%s] " fmt, DRM_CURRENTPID,\
355 __func__ , ##__VA_ARGS__); \
358 #define dev_err(dev, fmt, ...) \
359 device_printf((dev), "error: " fmt, ## __VA_ARGS__)
360 #define dev_warn(dev, fmt, ...) \
361 device_printf((dev), "warning: " fmt, ## __VA_ARGS__)
362 #define dev_info(dev, fmt, ...) \
363 device_printf((dev), "info: " fmt, ## __VA_ARGS__)
364 #define dev_dbg(dev, fmt, ...) do { \
365 if ((drm_debug_flag& DRM_DEBUGBITS_KMS) != 0) { \
366 device_printf((dev), "debug: " fmt, ## __VA_ARGS__); \
370 typedef struct drm_pci_id_list
378 struct drm_msi_blacklist_entry
385 #define DRM_MASTER 0x2
386 #define DRM_ROOT_ONLY 0x4
387 #define DRM_CONTROL_ALLOW 0x8
388 #define DRM_UNLOCKED 0x10
390 typedef struct drm_ioctl_desc {
392 int (*func)(struct drm_device *dev, void *data,
393 struct drm_file *file_priv);
395 unsigned int cmd_drv;
399 * Creates a driver or general drm_ioctl_desc array entry for the given
400 * ioctl, for use by drm_ioctl().
402 #define DRM_IOCTL_DEF(ioctl, func, flags) \
403 [DRM_IOCTL_NR(ioctl)] = {ioctl, func, flags}
405 #define DRM_IOCTL_DEF_DRV(ioctl, _func, _flags) \
406 [DRM_IOCTL_NR(DRM_##ioctl)] = {.cmd = DRM_##ioctl, .func = _func, .flags = _flags, .cmd_drv = DRM_IOCTL_##ioctl}
408 typedef struct drm_magic_entry {
410 struct drm_file *priv;
411 struct drm_magic_entry *next;
414 typedef struct drm_magic_head {
415 struct drm_magic_entry *head;
416 struct drm_magic_entry *tail;
419 typedef struct drm_buf {
420 int idx; /**< Index into master buflist */
421 int total; /**< Buffer size */
422 int order; /**< log-base-2(total) */
423 int used; /**< Amount of buffer in use (for DMA) */
424 unsigned long offset; /**< Byte offset (used internally) */
425 void *address; /**< Address of buffer */
426 unsigned long bus_address; /**< Bus address of buffer */
427 struct drm_buf *next; /**< Kernel-only: used for free list */
428 __volatile__ int waiting; /**< On kernel DMA queue */
429 __volatile__ int pending; /**< On hardware DMA queue */
430 struct drm_file *file_priv; /**< Private of holding file descr */
431 int context; /**< Kernel queue for this buffer */
432 int while_locked; /**< Dispatch this buffer while locked */
440 } list; /**< Which list we're on */
442 int dev_priv_size; /**< Size of buffer private storage */
443 void *dev_private; /**< Per-buffer private storage */
446 typedef struct drm_freelist {
447 int initialized; /* Freelist in use */
448 atomic_t count; /* Number of free buffers */
449 drm_buf_t *next; /* End pointer */
451 int low_mark; /* Low water mark */
452 int high_mark; /* High water mark */
455 typedef struct drm_dma_handle {
462 typedef struct drm_buf_entry {
467 drm_dma_handle_t **seglist;
470 drm_freelist_t freelist;
473 /* Event queued up for userspace to read */
474 struct drm_pending_event {
475 struct drm_event *event;
476 struct list_head link;
477 struct drm_file *file_priv;
478 pid_t pid; /* pid of requester, no guarantee it's valid by the time
479 we deliver the event, for tracing only */
480 void (*destroy)(struct drm_pending_event *event);
483 /* initial implementaton using a linked list - todo hashtab */
484 struct drm_prime_file_private {
485 struct list_head head;
488 #endif /* DUMBBELL_WIP */
491 typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t;
493 TAILQ_ENTRY(drm_file) link;
494 struct drm_device *dev;
500 unsigned long ioctl_count;
503 struct drm_gem_names object_names;
506 struct drm_master *masterp;
508 struct list_head fbs;
510 struct list_head event_list;
513 struct drm_prime_file_private prime;
516 typedef struct drm_lock_data {
517 struct drm_hw_lock *hw_lock; /* Hardware lock */
518 struct drm_file *file_priv; /* Unique identifier of holding process (NULL is kernel)*/
519 int lock_queue; /* Queue of blocked processes */
520 unsigned long lock_time; /* Time of last lock in jiffies */
523 /* This structure, in the struct drm_device, is always initialized while the
525 * is open. dev->dma_lock protects the incrementing of dev->buf_use, which
526 * when set marks that no further bufs may be allocated until device teardown
527 * occurs (when the last open of the device has closed). The high/low
528 * watermarks of bufs are only touched by the X Server, and thus not
529 * concurrently accessed, so no locking is needed.
531 typedef struct drm_device_dma {
533 struct drm_buf_entry bufs[DRM_MAX_ORDER + 1]; /**< buffers, grouped by their size order */
534 int buf_count; /**< total number of buffers */
535 struct drm_buf **buflist; /**< Vector of pointers into drm_device_dma::bufs */
537 int page_count; /**< number of pages */
538 unsigned long *pagelist; /**< page list */
539 unsigned long byte_count;
541 _DRM_DMA_USE_AGP = 0x01,
542 _DRM_DMA_USE_SG = 0x02,
543 _DRM_DMA_USE_FB = 0x04,
544 _DRM_DMA_USE_PCI_RO = 0x08
549 typedef struct drm_agp_mem {
551 unsigned long bound; /* address */
553 struct drm_agp_mem *prev;
554 struct drm_agp_mem *next;
557 typedef struct drm_agp_head {
559 struct agp_info info;
561 drm_agp_mem_t *memory;
567 int cant_use_aperture;
568 unsigned long page_mask;
571 typedef struct drm_sg_mem {
577 #define DRM_MAP_HANDLE_BITS (sizeof(void *) == 4 ? 4 : 24)
578 #define DRM_MAP_HANDLE_SHIFT (sizeof(void *) * 8 - DRM_MAP_HANDLE_BITS)
581 * Kernel side of a mapping
583 struct drm_local_map {
584 unsigned long offset; /* Physical address (0 for SAREA) */
585 unsigned long size; /* Physical size (bytes) */
586 enum drm_map_type type; /* Type of memory mapped */
587 enum drm_map_flags flags; /* Flags */
588 void *handle; /* User-space: "Handle" to pass to mmap */
589 /* Kernel-space: kernel-virtual address */
590 int mtrr; /* Boolean: MTRR used */
592 int rid; /* PCI resource ID for bus_space */
593 void *virtual; /* Kernel-space: kernel-virtual address */
594 struct resource *bsr;
596 bus_space_handle_t bsh;
597 drm_dma_handle_t *dmah;
598 TAILQ_ENTRY(drm_local_map) link;
601 typedef struct drm_local_map drm_local_map_t;
606 struct drm_map_list {
607 struct list_head head; /**< list head */
608 struct drm_hash_item hash;
609 struct drm_local_map *map; /**< mapping */
611 struct drm_master *master;
612 struct drm_mm_node *file_offset_node; /**< fake offset */
615 struct drm_vblank_info {
616 wait_queue_head_t queue; /* vblank wait queue */
617 atomic_t count; /* number of VBLANK interrupts */
618 /* (driver must alloc the right number of counters) */
619 atomic_t refcount; /* number of users of vblank interrupts */
620 u32 last; /* protected by dev->vbl_lock, used */
621 /* for wraparound handling */
622 int enabled; /* so we don't call enable more than */
623 /* once per disable */
624 int inmodeset; /* Display driver is setting mode */
627 /* location of GART table */
628 #define DRM_ATI_GART_MAIN 1
629 #define DRM_ATI_GART_FB 2
631 #define DRM_ATI_GART_PCI 1
632 #define DRM_ATI_GART_PCIE 2
633 #define DRM_ATI_GART_IGP 3
635 struct drm_ati_pcigart_info {
636 int gart_table_location;
640 dma_addr_t table_mask;
641 dma_addr_t member_mask;
642 struct drm_dma_handle *table_handle;
643 drm_local_map_t mapping;
645 struct drm_dma_handle *dmah; /* handle for ATI PCIGART table */
648 typedef vm_paddr_t resource_size_t;
651 * GEM specific mm private for tracking GEM objects
654 struct drm_open_hash offset_hash; /**< User token hash table for maps */
655 struct unrhdr *idxunr;
658 struct drm_gem_object {
659 /** Reference count of this object */
660 struct kref refcount;
662 /** Handle count of this object. Each handle also holds a reference */
663 u_int handle_count; /* number of handles on this object */
665 /** Related drm device */
666 struct drm_device *dev;
668 /** File representing the shmem storage: filp in Linux parlance */
672 struct drm_hash_item map_list;
675 * Size of the object, in bytes. Immutable over the object's
681 * Global name for this object, starts at 1. 0 means unnamed.
682 * Access is covered by the object_name_lock in the related drm_device
687 * Memory domains. These monitor which caches contain read/write data
688 * related to the object. When transitioning from one set of domains
689 * to another, the driver is called to ensure that caches are suitably
690 * flushed and invalidated
692 uint32_t read_domains;
693 uint32_t write_domain;
696 * While validating an exec operation, the
697 * new read/write domain values are computed here.
698 * They will be transferred to the above values
699 * at the point that any cache flushing occurs
701 uint32_t pending_read_domains;
702 uint32_t pending_write_domain;
704 void *driver_private;
707 /* dma buf exported from this GEM object */
708 struct dma_buf *export_dma_buf;
710 /* dma buf attachment backing this object */
711 struct dma_buf_attachment *import_attach;
712 #endif /* DUMBBELL_WIP */
715 #include "drm_crtc.h"
717 /* per-master structure */
720 struct kref refcount; /* refcount for this master */
722 struct list_head head; /**< each minor contains a list of masters */
723 struct drm_minor *minor; /**< link back to minor we are a master for */
725 char *unique; /**< Unique identifier: e.g., busid */
726 int unique_len; /**< Length of unique field */
727 int unique_size; /**< amount allocated */
729 int blocked; /**< Blocked due to VC switch? */
731 /** \name Authentication */
733 struct drm_open_hash magiclist;
734 struct list_head magicfree;
737 struct drm_lock_data lock; /**< Information on hardware lock */
739 void *driver_priv; /**< Private structure for driver to use */
742 /* Size of ringbuffer for vblank timestamps. Just double-buffer
743 * in initial implementation.
745 #define DRM_VBLANKTIME_RBSIZE 2
747 /* Flags and return codes for get_vblank_timestamp() driver function. */
748 #define DRM_CALLED_FROM_VBLIRQ 1
749 #define DRM_VBLANKTIME_SCANOUTPOS_METHOD (1 << 0)
750 #define DRM_VBLANKTIME_INVBL (1 << 1)
752 /* get_scanout_position() return flags */
753 #define DRM_SCANOUTPOS_VALID (1 << 0)
754 #define DRM_SCANOUTPOS_INVBL (1 << 1)
755 #define DRM_SCANOUTPOS_ACCURATE (1 << 2)
758 #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : (1ULL<<(n)) - 1)
761 #define upper_32_bits(n) ((u32)(((n) >> 16) >> 16))
763 struct drm_driver_info {
764 int (*load)(struct drm_device *, unsigned long flags);
765 int (*use_msi)(struct drm_device *, unsigned long flags);
766 int (*firstopen)(struct drm_device *);
767 int (*open)(struct drm_device *, struct drm_file *);
768 void (*preclose)(struct drm_device *, struct drm_file *file_priv);
769 void (*postclose)(struct drm_device *, struct drm_file *);
770 void (*lastclose)(struct drm_device *);
771 int (*unload)(struct drm_device *);
772 void (*reclaim_buffers_locked)(struct drm_device *,
773 struct drm_file *file_priv);
774 int (*dma_ioctl)(struct drm_device *dev, void *data,
775 struct drm_file *file_priv);
776 void (*dma_ready)(struct drm_device *);
777 int (*dma_quiescent)(struct drm_device *);
778 int (*dma_flush_block_and_flush)(struct drm_device *, int context,
779 enum drm_lock_flags flags);
780 int (*dma_flush_unblock)(struct drm_device *, int context,
781 enum drm_lock_flags flags);
782 int (*context_ctor)(struct drm_device *dev, int context);
783 int (*context_dtor)(struct drm_device *dev, int context);
784 int (*kernel_context_switch)(struct drm_device *dev, int old,
786 int (*kernel_context_switch_unlock)(struct drm_device *dev);
787 void (*irq_preinstall)(struct drm_device *dev);
788 int (*irq_postinstall)(struct drm_device *dev);
789 void (*irq_uninstall)(struct drm_device *dev);
790 void (*irq_handler)(DRM_IRQ_ARGS);
792 u32 (*get_vblank_counter)(struct drm_device *dev, int crtc);
793 int (*enable_vblank)(struct drm_device *dev, int crtc);
794 void (*disable_vblank)(struct drm_device *dev, int crtc);
795 int (*get_scanout_position)(struct drm_device *dev, int crtc,
796 int *vpos, int *hpos);
798 int (*get_vblank_timestamp)(struct drm_device *dev, int crtc,
799 int *max_error, struct timeval *vblank_time,
802 int (*gem_init_object)(struct drm_gem_object *obj);
803 void (*gem_free_object)(struct drm_gem_object *obj);
804 int (*gem_open_object)(struct drm_gem_object *, struct drm_file *);
805 void (*gem_close_object)(struct drm_gem_object *, struct drm_file *);
807 struct cdev_pager_ops *gem_pager_ops;
809 int (*dumb_create)(struct drm_file *file_priv,
810 struct drm_device *dev, struct drm_mode_create_dumb *args);
811 int (*dumb_map_offset)(struct drm_file *file_priv,
812 struct drm_device *dev, uint32_t handle, uint64_t *offset);
813 int (*dumb_destroy)(struct drm_file *file_priv,
814 struct drm_device *dev, uint32_t handle);
816 int (*sysctl_init)(struct drm_device *dev,
817 struct sysctl_ctx_list *ctx, struct sysctl_oid *top);
818 void (*sysctl_cleanup)(struct drm_device *dev);
820 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */
823 * Called by \c drm_device_is_agp. Typically used to determine if a
824 * card is really attached to AGP or not.
826 * \param dev DRM device handle
829 * One of three values is returned depending on whether or not the
830 * card is absolutely \b not AGP (return of 0), absolutely \b is AGP
831 * (return of 1), or may or may not be AGP (return of 2).
833 int (*device_is_agp) (struct drm_device * dev);
835 drm_ioctl_desc_t *ioctls;
836 #ifdef COMPAT_FREEBSD32
837 drm_ioctl_desc_t *compat_ioctls;
838 int *compat_ioctls_nr;
847 const char *name; /* Simple driver name */
848 const char *desc; /* Longer driver name */
849 const char *date; /* Date of last major changes. */
855 * DRM minor structure. This structure represents a drm minor number.
858 int index; /**< Minor device number */
859 int type; /**< Control or render */
860 device_t kdev; /**< OS device */
861 struct drm_device *dev;
863 struct drm_master *master; /* currently active master for this node */
864 struct list_head master_list;
865 struct drm_mode_group mode_group;
868 /* mode specified on the command line */
869 struct drm_cmdline_mode {
871 bool refresh_specified;
880 enum drm_connector_force force;
884 struct drm_pending_vblank_event {
885 struct drm_pending_event base;
887 struct drm_event_vblank event;
890 /* Length for the array of resource pointers for drm_get_resource_*. */
891 #define DRM_MAX_PCI_RESOURCE 6
894 * DRM device structure. This structure represent a complete card that
895 * may contain multiple heads.
898 struct drm_driver_info *driver;
899 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */
901 uint16_t pci_device; /* PCI device id */
902 uint16_t pci_vendor; /* PCI vendor id */
903 uint16_t pci_subdevice; /* PCI subsystem device id */
904 uint16_t pci_subvendor; /* PCI subsystem vendor id */
906 char *unique; /* Unique identifier: e.g., busid */
907 int unique_len; /* Length of unique field */
908 device_t device; /* Device instance from newbus */
909 struct cdev *devnode; /* Device number for mknod */
910 int if_version; /* Highest interface version set */
912 int flags; /* Flags to open(2) */
915 struct spinlock dma_lock; /* protects dev->dma */
916 struct lwkt_serialize irq_lock; /* protects irq condition checks */
917 struct lock dev_lock; /* protects everything else */
918 struct lock dev_struct_lock;
919 struct spinlock drw_lock;
922 int open_count; /* Outstanding files open */
923 int buf_use; /* Buffers in use -- cannot alloc */
925 /* Performance counters */
926 unsigned long counters;
927 enum drm_stat_type types[15];
931 drm_file_list_t files;
932 drm_magic_head_t magiclist[DRM_HASH_SIZE];
934 /** \name Memory management */
936 struct list_head maplist; /**< Linked list of regions */
937 struct unrhdr *map_unrhdr;
939 drm_local_map_t **context_sareas;
942 drm_lock_data_t lock; /* Information on hardware lock */
944 /* DMA queues (contexts) */
945 drm_device_dma_t *dma; /* Optional pointer for DMA support */
947 /* Context support */
948 int irq; /* Interrupt used by board */
949 int irq_enabled; /* True if the irq handler is enabled */
950 int msi_enabled; /* MSI enabled */
951 int irqrid; /* Interrupt used by board */
952 struct resource *irqr; /* Resource for interrupt used by board */
953 void *irqh; /* Handle from bus_setup_intr */
955 /* Storage of resource pointers for drm_get_resource_* */
956 struct resource *pcir[DRM_MAX_PCI_RESOURCE];
957 int pcirid[DRM_MAX_PCI_RESOURCE];
964 atomic_t context_flag; /* Context swapping flag */
965 int last_context; /* Last current context */
969 struct sigio *buf_sigio; /* Processes waiting for SIGIO */
972 struct drm_sysctl_info *sysctl;
976 drm_sg_mem_t *sg; /* Scatter gather memory */
977 unsigned long *ctx_bitmap;
979 unsigned int agp_buffer_token;
980 drm_local_map_t *agp_buffer_map;
982 struct drm_minor *control; /**< Control node for card */
983 struct drm_minor *primary; /**< render type primary screen head */
986 struct unrhdr *drw_unrhdr;
987 /* RB tree of drawable infos */
988 RB_HEAD(drawable_tree, bsd_drm_drawable_info) drw_head;
990 int vblank_disable_allowed;
992 atomic_t *_vblank_count; /**< number of VBLANK interrupts (driver must alloc the right number of counters) */
993 struct timeval *_vblank_time; /**< timestamp of current vblank_count (drivers must alloc right number of fields) */
994 struct lock vblank_time_lock; /**< Protects vblank count and time updates during vblank enable/disable */
995 struct lock vbl_lock;
996 atomic_t *vblank_refcount; /* number of users of vblank interruptsper crtc */
997 u32 *last_vblank; /* protected by dev->vbl_lock, used */
998 /* for wraparound handling */
999 int *vblank_enabled; /* so we don't call enable more than
1001 int *vblank_inmodeset; /* Display driver is setting mode */
1002 u32 *last_vblank_wait; /* Last vblank seqno waited per CRTC */
1003 struct callout vblank_disable_callout;
1005 u32 max_vblank_count; /**< size of vblank counter register */
1007 struct list_head vblank_event_list;
1008 struct lock event_lock;
1010 struct drm_mode_config mode_config; /**< Current mode config */
1013 struct lock object_name_lock;
1014 struct drm_gem_names object_names;
1017 void *sysctl_private;
1018 char busid_str[128];
1021 int switch_power_state;
1024 #define DRM_SWITCH_POWER_ON 0
1025 #define DRM_SWITCH_POWER_OFF 1
1026 #define DRM_SWITCH_POWER_CHANGING 2
1028 static __inline__ int drm_core_check_feature(struct drm_device *dev,
1031 return ((dev->driver->driver_features & feature) ? 1 : 0);
1035 static inline int drm_core_has_AGP(struct drm_device *dev)
1037 return drm_core_check_feature(dev, DRIVER_USE_AGP);
1040 #define drm_core_has_AGP(dev) (0)
1050 DMI_PRODUCT_VERSION,
1057 DMI_BOARD_ASSET_TAG,
1060 DMI_CHASSIS_VERSION,
1062 DMI_CHASSIS_ASSET_TAG,
1066 struct dmi_strmatch {
1071 struct dmi_system_id {
1072 int (*callback)(const struct dmi_system_id *);
1074 struct dmi_strmatch matches[4];
1076 #define DMI_MATCH(a, b) {(a), (b)}
1077 bool dmi_check_system(const struct dmi_system_id *);
1079 extern int drm_debug_flag;
1080 extern int drm_notyet_flag;
1081 extern unsigned int drm_vblank_offdelay;
1082 extern unsigned int drm_timestamp_precision;
1084 /* Device setup support (drm_drv.c) */
1085 int drm_probe(device_t kdev, drm_pci_id_list_t *idlist);
1086 int drm_attach(device_t kdev, drm_pci_id_list_t *idlist);
1087 int drm_create_cdevs(device_t kdev);
1088 int drm_detach(device_t kdev);
1089 d_ioctl_t drm_ioctl;
1091 d_close_t drm_close;
1093 d_kqfilter_t drm_kqfilter;
1095 d_mmap_single_t drm_mmap_single;
1096 extern drm_local_map_t *drm_getsarea(struct drm_device *dev);
1098 void drm_event_wakeup(struct drm_pending_event *e);
1100 int drm_add_busid_modesetting(struct drm_device *dev,
1101 struct sysctl_ctx_list *ctx, struct sysctl_oid *top);
1103 /* File operations helpers (drm_fops.c) */
1104 extern int drm_open_helper(struct cdev *kdev, int flags, int fmt,
1106 struct drm_device *dev);
1107 extern struct drm_file *drm_find_file_by_proc(struct drm_device *dev,
1111 extern int drm_gem_prime_handle_to_fd(struct drm_device *dev,
1112 struct drm_file *file_priv, uint32_t handle, uint32_t flags,
1114 extern int drm_gem_prime_fd_to_handle(struct drm_device *dev,
1115 struct drm_file *file_priv, int prime_fd, uint32_t *handle);
1117 extern int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data,
1118 struct drm_file *file_priv);
1119 extern int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data,
1120 struct drm_file *file_priv);
1127 extern int drm_prime_sg_to_page_addr_arrays(struct sg_table *sgt, vm_page_t *pages,
1128 dma_addr_t *addrs, int max_pages);
1129 #endif /* DUMBBELL_WIP */
1130 extern struct sg_table *drm_prime_pages_to_sg(vm_page_t *pages, int nr_pages);
1131 extern void drm_prime_gem_destroy(struct drm_gem_object *obj, struct sg_table *sg);
1134 void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv);
1135 void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv);
1136 int drm_prime_add_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t handle);
1137 int drm_prime_lookup_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t *handle);
1138 void drm_prime_remove_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf);
1140 int drm_prime_add_dma_buf(struct drm_device *dev, struct drm_gem_object *obj);
1141 int drm_prime_lookup_obj(struct drm_device *dev, struct dma_buf *buf,
1142 struct drm_gem_object **obj);
1143 #endif /* DUMBBELL_WIP */
1145 /* Memory management support (drm_memory.c) */
1146 void drm_mem_init(void);
1147 void drm_mem_uninit(void);
1148 void *drm_ioremap_wc(struct drm_device *dev, drm_local_map_t *map);
1149 void *drm_ioremap(struct drm_device *dev, drm_local_map_t *map);
1150 void drm_ioremapfree(drm_local_map_t *map);
1151 int drm_mtrr_add(unsigned long offset, size_t size, int flags);
1152 int drm_mtrr_del(int handle, unsigned long offset, size_t size, int flags);
1154 int drm_context_switch(struct drm_device *dev, int old, int new);
1155 int drm_context_switch_complete(struct drm_device *dev, int new);
1157 int drm_ctxbitmap_init(struct drm_device *dev);
1158 void drm_ctxbitmap_cleanup(struct drm_device *dev);
1159 void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle);
1160 int drm_ctxbitmap_next(struct drm_device *dev);
1162 /* Locking IOCTL support (drm_lock.c) */
1163 int drm_lock_take(struct drm_lock_data *lock_data,
1164 unsigned int context);
1165 int drm_lock_transfer(struct drm_lock_data *lock_data,
1166 unsigned int context);
1167 int drm_lock_free(struct drm_lock_data *lock_data,
1168 unsigned int context);
1170 /* Buffer management support (drm_bufs.c) */
1171 unsigned long drm_get_resource_start(struct drm_device *dev,
1172 unsigned int resource);
1173 unsigned long drm_get_resource_len(struct drm_device *dev,
1174 unsigned int resource);
1175 void drm_rmmap(struct drm_device *dev, drm_local_map_t *map);
1176 int drm_order(unsigned long size);
1177 int drm_addmap(struct drm_device *dev, unsigned long offset,
1179 enum drm_map_type type, enum drm_map_flags flags,
1180 drm_local_map_t **map_ptr);
1181 int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc *request);
1182 int drm_addbufs_sg(struct drm_device *dev, struct drm_buf_desc *request);
1183 int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc *request);
1185 /* DMA support (drm_dma.c) */
1186 int drm_dma_setup(struct drm_device *dev);
1187 void drm_dma_takedown(struct drm_device *dev);
1188 void drm_free_buffer(struct drm_device *dev, drm_buf_t *buf);
1189 void drm_reclaim_buffers(struct drm_device *dev, struct drm_file *file_priv);
1190 #define drm_core_reclaim_buffers drm_reclaim_buffers
1192 /* IRQ support (drm_irq.c) */
1193 int drm_irq_install(struct drm_device *dev);
1194 int drm_irq_uninstall(struct drm_device *dev);
1195 irqreturn_t drm_irq_handler(DRM_IRQ_ARGS);
1196 void drm_driver_irq_preinstall(struct drm_device *dev);
1197 void drm_driver_irq_postinstall(struct drm_device *dev);
1198 void drm_driver_irq_uninstall(struct drm_device *dev);
1200 void drm_vblank_pre_modeset(struct drm_device *dev, int crtc);
1201 void drm_vblank_post_modeset(struct drm_device *dev, int crtc);
1202 int drm_modeset_ctl(struct drm_device *dev, void *data,
1203 struct drm_file *file_priv);
1205 extern int drm_vblank_init(struct drm_device *dev, int num_crtcs);
1206 extern int drm_wait_vblank(struct drm_device *dev, void *data,
1207 struct drm_file *filp);
1208 extern int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq);
1209 extern u32 drm_vblank_count(struct drm_device *dev, int crtc);
1210 extern u32 drm_vblank_count_and_time(struct drm_device *dev, int crtc,
1211 struct timeval *vblanktime);
1212 extern bool drm_handle_vblank(struct drm_device *dev, int crtc);
1213 void drm_handle_vblank_events(struct drm_device *dev, int crtc);
1214 extern int drm_vblank_get(struct drm_device *dev, int crtc);
1215 extern void drm_vblank_put(struct drm_device *dev, int crtc);
1216 extern void drm_vblank_off(struct drm_device *dev, int crtc);
1217 extern void drm_vblank_cleanup(struct drm_device *dev);
1218 extern u32 drm_get_last_vbltimestamp(struct drm_device *dev, int crtc,
1219 struct timeval *tvblank, unsigned flags);
1220 extern int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev,
1221 int crtc, int *max_error,
1222 struct timeval *vblank_time,
1224 struct drm_crtc *refcrtc);
1225 extern void drm_calc_timestamping_constants(struct drm_crtc *crtc);
1227 struct timeval ns_to_timeval(const int64_t nsec);
1228 int64_t timeval_to_ns(const struct timeval *tv);
1230 /* AGP/PCI Express/GART support (drm_agpsupport.c) */
1231 int drm_device_is_agp(struct drm_device *dev);
1232 int drm_device_is_pcie(struct drm_device *dev);
1233 drm_agp_head_t *drm_agp_init(void);
1234 int drm_agp_acquire(struct drm_device *dev);
1235 int drm_agp_release(struct drm_device *dev);
1236 int drm_agp_info(struct drm_device * dev, struct drm_agp_info *info);
1237 int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode);
1238 void *drm_agp_allocate_memory(size_t pages, u32 type);
1239 int drm_agp_free_memory(void *handle);
1240 int drm_agp_bind_memory(void *handle, off_t start);
1241 int drm_agp_unbind_memory(void *handle);
1242 int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request);
1243 int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request);
1244 int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request);
1245 int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request);
1247 /* Scatter Gather Support (drm_scatter.c) */
1248 void drm_sg_cleanup(drm_sg_mem_t *entry);
1249 int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request);
1251 /* sysctl support (drm_sysctl.h) */
1252 extern int drm_sysctl_init(struct drm_device *dev);
1253 extern int drm_sysctl_cleanup(struct drm_device *dev);
1255 /* ATI PCIGART support (ati_pcigart.c) */
1256 int drm_ati_pcigart_init(struct drm_device *dev,
1257 struct drm_ati_pcigart_info *gart_info);
1258 int drm_ati_pcigart_cleanup(struct drm_device *dev,
1259 struct drm_ati_pcigart_info *gart_info);
1261 /* Cache management (drm_memory.c) */
1262 void drm_clflush_pages(vm_page_t *pages, unsigned long num_pages);
1264 /* Locking IOCTL support (drm_drv.c) */
1265 int drm_lock(struct drm_device *dev, void *data,
1266 struct drm_file *file_priv);
1267 int drm_unlock(struct drm_device *dev, void *data,
1268 struct drm_file *file_priv);
1269 int drm_version(struct drm_device *dev, void *data,
1270 struct drm_file *file_priv);
1271 int drm_setversion(struct drm_device *dev, void *data,
1272 struct drm_file *file_priv);
1274 /* Misc. IOCTL support (drm_ioctl.c) */
1275 int drm_irq_by_busid(struct drm_device *dev, void *data,
1276 struct drm_file *file_priv);
1277 int drm_getunique(struct drm_device *dev, void *data,
1278 struct drm_file *file_priv);
1279 int drm_setunique(struct drm_device *dev, void *data,
1280 struct drm_file *file_priv);
1281 int drm_getmap(struct drm_device *dev, void *data,
1282 struct drm_file *file_priv);
1283 int drm_getclient(struct drm_device *dev, void *data,
1284 struct drm_file *file_priv);
1285 int drm_getstats(struct drm_device *dev, void *data,
1286 struct drm_file *file_priv);
1287 int drm_getcap(struct drm_device *dev, void *data,
1288 struct drm_file *file_priv);
1289 int drm_noop(struct drm_device *dev, void *data,
1290 struct drm_file *file_priv);
1292 /* Context IOCTL support (drm_context.c) */
1293 int drm_resctx(struct drm_device *dev, void *data,
1294 struct drm_file *file_priv);
1295 int drm_addctx(struct drm_device *dev, void *data,
1296 struct drm_file *file_priv);
1297 int drm_modctx(struct drm_device *dev, void *data,
1298 struct drm_file *file_priv);
1299 int drm_getctx(struct drm_device *dev, void *data,
1300 struct drm_file *file_priv);
1301 int drm_switchctx(struct drm_device *dev, void *data,
1302 struct drm_file *file_priv);
1303 int drm_newctx(struct drm_device *dev, void *data,
1304 struct drm_file *file_priv);
1305 int drm_rmctx(struct drm_device *dev, void *data,
1306 struct drm_file *file_priv);
1307 int drm_setsareactx(struct drm_device *dev, void *data,
1308 struct drm_file *file_priv);
1309 int drm_getsareactx(struct drm_device *dev, void *data,
1310 struct drm_file *file_priv);
1312 /* Drawable IOCTL support (drm_drawable.c) */
1313 int drm_adddraw(struct drm_device *dev, void *data,
1314 struct drm_file *file_priv);
1315 int drm_rmdraw(struct drm_device *dev, void *data,
1316 struct drm_file *file_priv);
1317 int drm_update_draw(struct drm_device *dev, void *data,
1318 struct drm_file *file_priv);
1319 struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev,
1322 /* Drawable support (drm_drawable.c) */
1323 void drm_drawable_free_all(struct drm_device *dev);
1325 /* Authentication IOCTL support (drm_auth.c) */
1326 int drm_getmagic(struct drm_device *dev, void *data,
1327 struct drm_file *file_priv);
1328 int drm_authmagic(struct drm_device *dev, void *data,
1329 struct drm_file *file_priv);
1331 /* Buffer management support (drm_bufs.c) */
1332 int drm_addmap_ioctl(struct drm_device *dev, void *data,
1333 struct drm_file *file_priv);
1334 int drm_rmmap_ioctl(struct drm_device *dev, void *data,
1335 struct drm_file *file_priv);
1336 int drm_addbufs(struct drm_device *dev, void *data,
1337 struct drm_file *file_priv);
1338 int drm_infobufs(struct drm_device *dev, void *data,
1339 struct drm_file *file_priv);
1340 int drm_markbufs(struct drm_device *dev, void *data,
1341 struct drm_file *file_priv);
1342 int drm_freebufs(struct drm_device *dev, void *data,
1343 struct drm_file *file_priv);
1344 int drm_mapbufs(struct drm_device *dev, void *data,
1345 struct drm_file *file_priv);
1347 /* DMA support (drm_dma.c) */
1348 int drm_dma(struct drm_device *dev, void *data, struct drm_file *file_priv);
1350 /* IRQ support (drm_irq.c) */
1351 int drm_control(struct drm_device *dev, void *data,
1352 struct drm_file *file_priv);
1354 /* AGP/GART support (drm_agpsupport.c) */
1355 int drm_agp_acquire_ioctl(struct drm_device *dev, void *data,
1356 struct drm_file *file_priv);
1357 int drm_agp_release_ioctl(struct drm_device *dev, void *data,
1358 struct drm_file *file_priv);
1359 int drm_agp_enable_ioctl(struct drm_device *dev, void *data,
1360 struct drm_file *file_priv);
1361 int drm_agp_info_ioctl(struct drm_device *dev, void *data,
1362 struct drm_file *file_priv);
1363 int drm_agp_alloc_ioctl(struct drm_device *dev, void *data,
1364 struct drm_file *file_priv);
1365 int drm_agp_free_ioctl(struct drm_device *dev, void *data,
1366 struct drm_file *file_priv);
1367 int drm_agp_unbind_ioctl(struct drm_device *dev, void *data,
1368 struct drm_file *file_priv);
1369 int drm_agp_bind_ioctl(struct drm_device *dev, void *data,
1370 struct drm_file *file_priv);
1372 /* Stub support (drm_stub.h) */
1373 extern int drm_setmaster_ioctl(struct drm_device *dev, void *data,
1374 struct drm_file *file_priv);
1375 extern int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
1376 struct drm_file *file_priv);
1378 /* Scatter Gather Support (drm_scatter.c) */
1379 int drm_sg_alloc_ioctl(struct drm_device *dev, void *data,
1380 struct drm_file *file_priv);
1381 int drm_sg_free(struct drm_device *dev, void *data,
1382 struct drm_file *file_priv);
1384 /* consistent PCI memory functions (drm_pci.c) */
1385 drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size,
1386 size_t align, dma_addr_t maxaddr);
1387 void drm_pci_free(struct drm_device *dev, drm_dma_handle_t *dmah);
1389 /* Graphics Execution Manager library functions (drm_gem.c) */
1390 int drm_gem_init(struct drm_device *dev);
1391 void drm_gem_destroy(struct drm_device *dev);
1392 void drm_gem_object_release(struct drm_gem_object *obj);
1393 void drm_gem_object_free(struct kref *kref);
1395 int drm_gem_close_ioctl(struct drm_device *dev, void *data,
1396 struct drm_file *file_priv);
1397 int drm_gem_flink_ioctl(struct drm_device *dev, void *data,
1398 struct drm_file *file_priv);
1399 int drm_gem_open_ioctl(struct drm_device *dev, void *data,
1400 struct drm_file *file_priv);
1401 void drm_gem_object_handle_free(struct drm_gem_object *obj);
1403 #include <drm/drm_global.h>
1406 drm_gem_object_reference(struct drm_gem_object *obj)
1408 kref_get(&obj->refcount);
1412 drm_gem_object_unreference(struct drm_gem_object *obj)
1415 kref_put(&obj->refcount, drm_gem_object_free);
1419 drm_gem_object_unreference_unlocked(struct drm_gem_object *obj)
1422 struct drm_device *dev = obj->dev;
1424 kref_put(&obj->refcount, drm_gem_object_free);
1429 int drm_gem_handle_create(struct drm_file *file_priv,
1430 struct drm_gem_object *obj,
1432 int drm_gem_handle_delete(struct drm_file *filp, u32 handle);
1435 drm_gem_object_handle_reference(struct drm_gem_object *obj)
1437 drm_gem_object_reference(obj);
1438 atomic_inc(&obj->handle_count);
1442 drm_gem_object_handle_unreference(struct drm_gem_object *obj)
1447 if (atomic_read(&obj->handle_count) == 0)
1450 * Must bump handle count first as this may be the last
1451 * ref, in which case the object would disappear before we
1452 * checked for a name
1454 if (atomic_dec_and_test(&obj->handle_count))
1455 drm_gem_object_handle_free(obj);
1456 drm_gem_object_unreference(obj);
1460 drm_gem_object_handle_unreference_unlocked(struct drm_gem_object *obj)
1465 if (atomic_read(&obj->handle_count) == 0)
1469 * Must bump handle count first as this may be the last
1470 * ref, in which case the object would disappear before we
1471 * checked for a name
1474 if (atomic_dec_and_test(&obj->handle_count))
1475 drm_gem_object_handle_free(obj);
1476 drm_gem_object_unreference_unlocked(obj);
1479 int drm_gem_object_init(struct drm_device *dev, struct drm_gem_object *obj,
1481 int drm_gem_private_object_init(struct drm_device *dev,
1482 struct drm_gem_object *obj, size_t size);
1483 struct drm_gem_object *drm_gem_object_alloc(struct drm_device *dev,
1485 struct drm_gem_object *drm_gem_object_lookup(struct drm_device *dev,
1486 struct drm_file *file_priv, uint32_t handle);
1488 void drm_gem_open(struct drm_device *dev, struct drm_file *file_priv);
1489 void drm_gem_release(struct drm_device *dev, struct drm_file *file_priv);
1491 int drm_gem_create_mmap_offset(struct drm_gem_object *obj);
1492 void drm_gem_free_mmap_offset(struct drm_gem_object *obj);
1493 int drm_gem_mmap_single(struct drm_device *dev, vm_ooffset_t *offset,
1494 vm_size_t size, struct vm_object **obj_res, int nprot);
1495 void drm_gem_pager_dtr(void *obj);
1497 struct ttm_bo_device;
1498 int ttm_bo_mmap_single(struct ttm_bo_device *bdev, vm_ooffset_t *offset,
1499 vm_size_t size, struct vm_object **obj_res, int nprot);
1500 struct ttm_buffer_object;
1501 void ttm_bo_release_mmap(struct ttm_buffer_object *bo);
1503 void drm_device_lock_mtx(struct drm_device *dev);
1504 void drm_device_unlock_mtx(struct drm_device *dev);
1505 int drm_device_sleep_mtx(struct drm_device *dev, void *chan, int flags,
1506 const char *msg, int timeout);
1507 void drm_device_assert_mtx_locked(struct drm_device *dev);
1508 void drm_device_assert_mtx_unlocked(struct drm_device *dev);
1510 void drm_device_lock_struct(struct drm_device *dev);
1511 void drm_device_unlock_struct(struct drm_device *dev);
1512 int drm_device_sleep_struct(struct drm_device *dev, void *chan, int flags,
1513 const char *msg, int timeout);
1514 void drm_device_assert_struct_locked(struct drm_device *dev);
1515 void drm_device_assert_struct_unlocked(struct drm_device *dev);
1517 void drm_compat_locking_init(struct drm_device *dev);
1518 void drm_sleep_locking_init(struct drm_device *dev);
1521 bool drm_mode_parse_command_line_for_connector(const char *mode_option,
1522 struct drm_connector *connector, struct drm_cmdline_mode *mode);
1523 struct drm_display_mode *drm_mode_create_from_cmdline_mode(
1524 struct drm_device *dev, struct drm_cmdline_mode *cmd);
1527 u8 *drm_find_cea_extension(struct edid *edid);
1529 /* Inline replacements for drm_alloc and friends */
1530 static __inline__ void *
1531 drm_alloc(size_t size, struct malloc_type *area)
1533 return kmalloc(size, area, M_NOWAIT);
1536 static __inline__ void *
1537 drm_calloc(size_t nmemb, size_t size, struct malloc_type *area)
1539 return kmalloc(size * nmemb, area, M_NOWAIT | M_ZERO);
1542 static __inline__ void *
1543 drm_realloc(void *oldpt, size_t oldsize, size_t size,
1544 struct malloc_type *area)
1547 res = krealloc(oldpt, size, area, M_NOWAIT);
1548 if (res == NULL && oldpt != NULL)
1553 static __inline__ void
1554 drm_free(void *pt, struct malloc_type *area)
1560 /* Inline replacements for DRM_IOREMAP macros */
1561 static __inline__ void
1562 drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev)
1564 map->virtual = drm_ioremap_wc(dev, map);
1566 static __inline__ void
1567 drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev)
1569 map->virtual = drm_ioremap(dev, map);
1571 static __inline__ void
1572 drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev)
1574 if ( map->virtual && map->size )
1575 drm_ioremapfree(map);
1578 static __inline__ struct drm_local_map *
1579 drm_core_findmap(struct drm_device *dev, unsigned long offset)
1581 struct drm_map_list *_entry;
1583 list_for_each_entry(_entry, &dev->maplist, head) {
1584 if (offset == (unsigned long)_entry->map->handle)
1590 static __inline__ void drm_core_dropmap(struct drm_map *map)
1594 /* FreeBSD compatibility macros */
1595 #define PROC_LOCK(p)
1596 #define PROC_UNLOCK(p)
1598 #define VM_OBJECT_RLOCK(object) VM_OBJECT_LOCK(object)
1599 #define VM_OBJECT_RUNLOCK(object) VM_OBJECT_UNLOCK(object)
1600 #define VM_OBJECT_WLOCK(object) VM_OBJECT_LOCK(object)
1601 #define VM_OBJECT_WUNLOCK(object) VM_OBJECT_UNLOCK(object)
1603 #define CTR2(one,two,three,four)
1605 #define DRM_PCIE_SPEED_25 1
1606 #define DRM_PCIE_SPEED_50 2
1607 #define DRM_PCIE_SPEED_80 4
1609 extern int drm_pcie_get_speed_cap_mask(struct drm_device *dev, u32 *speed_mask);
1611 #define drm_can_sleep() (DRM_HZ & 1)
1613 #endif /* __KERNEL__ */
1614 #endif /* _DRM_P_H_ */