1 /* drmP.h -- Private header for Direct Rendering Manager -*- linux-c -*-
2 * Created: Mon Jan 4 10:05:05 1999 by faith@precisioninsight.com
5 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
6 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
9 * Permission is hereby granted, free of charge, to any person obtaining a
10 * copy of this software and associated documentation files (the "Software"),
11 * to deal in the Software without restriction, including without limitation
12 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
13 * and/or sell copies of the Software, and to permit persons to whom the
14 * Software is furnished to do so, subject to the following conditions:
16 * The above copyright notice and this permission notice (including the next
17 * paragraph) shall be included in all copies or substantial portions of the
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
23 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
24 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
25 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
26 * OTHER DEALINGS IN THE SOFTWARE.
29 * Rickard E. (Rik) Faith <faith@valinux.com>
30 * Gareth Hughes <gareth@valinux.com>
34 #include <sys/cdefs.h>
35 __FBSDID("$FreeBSD$");
40 #if defined(_KERNEL) || defined(__KERNEL__)
45 #include <sys/param.h>
46 #include <sys/queue.h>
47 #include <sys/malloc.h>
48 #include <sys/kernel.h>
49 #include <sys/module.h>
50 #include <sys/systm.h>
53 #if __FreeBSD_version >= 700000
58 #include <sys/fcntl.h>
60 #include <sys/filio.h>
61 #include <sys/sysctl.h>
63 #include <sys/signalvar.h>
66 #include <sys/taskqueue.h>
69 #include <vm/vm_extern.h>
70 #include <vm/vm_map.h>
71 #include <vm/vm_param.h>
72 #include <machine/param.h>
73 #include <machine/pmap.h>
74 #include <machine/bus.h>
75 #include <machine/resource.h>
76 #include <machine/specialreg.h>
77 #include <machine/sysarch.h>
78 #include <sys/endian.h>
81 #include <sys/memrange.h>
82 #if __FreeBSD_version >= 800004
83 #include <dev/agp/agpvar.h>
84 #else /* __FreeBSD_version >= 800004 */
85 #include <pci/agpvar.h>
86 #endif /* __FreeBSD_version >= 800004 */
87 #include <sys/agpio.h>
88 #include <sys/mutex.h>
89 #include <dev/pci/pcivar.h>
90 #include <sys/selinfo.h>
93 #include "dev/drm/drm.h"
94 #include "dev/drm/drm_linux_list.h"
95 #include "dev/drm/drm_atomic.h"
96 #include "dev/drm/drm_internal.h"
101 #define DRM_DEBUG_DEFAULT_ON 1
102 #endif /* DRM_DEBUG */
104 #if defined(DRM_LINUX) && DRM_LINUX && !defined(__amd64__)
105 #include <sys/file.h>
106 #include <sys/proc.h>
107 #include <machine/../linux/linux.h>
108 #include <machine/../linux/linux_proto.h>
110 /* Either it was defined when it shouldn't be (FreeBSD amd64) or it isn't
111 * supported on this OS yet.
117 /* driver capabilities and requirements mask */
118 #define DRIVER_USE_AGP 0x1
119 #define DRIVER_REQUIRE_AGP 0x2
120 #define DRIVER_USE_MTRR 0x4
121 #define DRIVER_PCI_DMA 0x8
122 #define DRIVER_SG 0x10
123 #define DRIVER_HAVE_DMA 0x20
124 #define DRIVER_HAVE_IRQ 0x40
125 #define DRIVER_DMA_QUEUE 0x100
128 #define DRM_HASH_SIZE 16 /* Size of key hash table */
129 #define DRM_KERNEL_CONTEXT 0 /* Change drm_resctx if changed */
130 #define DRM_RESERVED_CONTEXTS 1 /* Change drm_resctx if changed */
132 MALLOC_DECLARE(DRM_MEM_DMA);
133 MALLOC_DECLARE(DRM_MEM_SAREA);
134 MALLOC_DECLARE(DRM_MEM_DRIVER);
135 MALLOC_DECLARE(DRM_MEM_MAGIC);
136 MALLOC_DECLARE(DRM_MEM_IOCTLS);
137 MALLOC_DECLARE(DRM_MEM_MAPS);
138 MALLOC_DECLARE(DRM_MEM_BUFS);
139 MALLOC_DECLARE(DRM_MEM_SEGS);
140 MALLOC_DECLARE(DRM_MEM_PAGES);
141 MALLOC_DECLARE(DRM_MEM_FILES);
142 MALLOC_DECLARE(DRM_MEM_QUEUES);
143 MALLOC_DECLARE(DRM_MEM_CMDS);
144 MALLOC_DECLARE(DRM_MEM_MAPPINGS);
145 MALLOC_DECLARE(DRM_MEM_BUFLISTS);
146 MALLOC_DECLARE(DRM_MEM_AGPLISTS);
147 MALLOC_DECLARE(DRM_MEM_CTXBITMAP);
148 MALLOC_DECLARE(DRM_MEM_SGLISTS);
149 MALLOC_DECLARE(DRM_MEM_DRAWABLE);
151 #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8)
153 /* Internal types and structures */
154 #define DRM_ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))
155 #define DRM_MIN(a,b) ((a)<(b)?(a):(b))
156 #define DRM_MAX(a,b) ((a)>(b)?(a):(b))
158 #define DRM_IF_VERSION(maj, min) (maj << 16 | min)
160 #define __OS_HAS_AGP 1
162 #define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP)
163 #define DRM_DEV_UID 0
164 #define DRM_DEV_GID 0
166 #define wait_queue_head_t atomic_t
167 #define DRM_WAKEUP(w) wakeup((void *)w)
168 #define DRM_WAKEUP_INT(w) wakeup(w)
169 #define DRM_INIT_WAITQUEUE(queue) do {(void)(queue);} while (0)
171 #define DRM_CURPROC curthread
172 #define DRM_STRUCTPROC struct thread
173 #define DRM_SPINTYPE struct mtx
174 #define DRM_SPININIT(l,name) mtx_init(l, name, NULL, MTX_DEF)
175 #define DRM_SPINUNINIT(l) mtx_destroy(l)
176 #define DRM_SPINLOCK(l) mtx_lock(l)
177 #define DRM_SPINUNLOCK(u) mtx_unlock(u)
178 #define DRM_SPINLOCK_IRQSAVE(l, irqflags) do { \
182 #define DRM_SPINUNLOCK_IRQRESTORE(u, irqflags) mtx_unlock(u)
183 #define DRM_SPINLOCK_ASSERT(l) mtx_assert(l, MA_OWNED)
184 #define DRM_CURRENTPID curthread->td_proc->p_pid
185 #define DRM_LOCK() mtx_lock(&dev->dev_lock)
186 #define DRM_UNLOCK() mtx_unlock(&dev->dev_lock)
187 #define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS)
189 #define DRM_IRQ_ARGS void *arg
190 typedef void irqreturn_t;
191 #define IRQ_HANDLED /* nothing */
192 #define IRQ_NONE /* nothing */
199 #define DRM_AGP_MEM struct agp_memory_info
201 #define drm_get_device_from_kdev(_kdev) (_kdev->si_drv1)
203 #define PAGE_ALIGN(addr) round_page(addr)
204 /* DRM_SUSER returns true if the user is superuser */
205 #if __FreeBSD_version >= 700000
206 #define DRM_SUSER(p) (priv_check(p, PRIV_DRIVER) == 0)
208 #define DRM_SUSER(p) (suser(p) == 0)
210 #define DRM_AGP_FIND_DEVICE() agp_find_device()
211 #define DRM_MTRR_WC MDF_WRITECOMBINE
212 #define jiffies ticks
214 /* Capabilities taken from src/sys/dev/pci/pcireg.h. */
216 #define PCIY_AGP 0x02
220 #define PCIY_EXPRESS 0x10
223 typedef unsigned long dma_addr_t;
224 typedef u_int64_t u64;
225 typedef u_int32_t u32;
226 typedef u_int16_t u16;
229 /* DRM_READMEMORYBARRIER() prevents reordering of reads.
230 * DRM_WRITEMEMORYBARRIER() prevents reordering of writes.
231 * DRM_MEMORYBARRIER() prevents reordering of reads and writes.
233 #if defined(__i386__)
234 #define DRM_READMEMORYBARRIER() __asm __volatile( \
235 "lock; addl $0,0(%%esp)" : : : "memory");
236 #define DRM_WRITEMEMORYBARRIER() __asm __volatile("" : : : "memory");
237 #define DRM_MEMORYBARRIER() __asm __volatile( \
238 "lock; addl $0,0(%%esp)" : : : "memory");
239 #elif defined(__alpha__)
240 #define DRM_READMEMORYBARRIER() alpha_mb();
241 #define DRM_WRITEMEMORYBARRIER() alpha_wmb();
242 #define DRM_MEMORYBARRIER() alpha_mb();
243 #elif defined(__amd64__)
244 #define DRM_READMEMORYBARRIER() __asm __volatile( \
245 "lock; addl $0,0(%%rsp)" : : : "memory");
246 #define DRM_WRITEMEMORYBARRIER() __asm __volatile("" : : : "memory");
247 #define DRM_MEMORYBARRIER() __asm __volatile( \
248 "lock; addl $0,0(%%rsp)" : : : "memory");
251 #define DRM_READ8(map, offset) \
252 *(volatile u_int8_t *) (((unsigned long)(map)->handle) + (offset))
253 #define DRM_READ16(map, offset) \
254 *(volatile u_int16_t *) (((unsigned long)(map)->handle) + (offset))
255 #define DRM_READ32(map, offset) \
256 *(volatile u_int32_t *)(((unsigned long)(map)->handle) + (offset))
257 #define DRM_WRITE8(map, offset, val) \
258 *(volatile u_int8_t *) (((unsigned long)(map)->handle) + (offset)) = val
259 #define DRM_WRITE16(map, offset, val) \
260 *(volatile u_int16_t *) (((unsigned long)(map)->handle) + (offset)) = val
261 #define DRM_WRITE32(map, offset, val) \
262 *(volatile u_int32_t *)(((unsigned long)(map)->handle) + (offset)) = val
264 #define DRM_VERIFYAREA_READ( uaddr, size ) \
265 (!useracc(__DECONST(caddr_t, uaddr), size, VM_PROT_READ))
267 #define DRM_COPY_TO_USER(user, kern, size) \
268 copyout(kern, user, size)
269 #define DRM_COPY_FROM_USER(kern, user, size) \
270 copyin(user, kern, size)
271 #define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \
272 copyin(arg2, arg1, arg3)
273 #define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \
274 copyout(arg2, arg1, arg3)
275 #define DRM_GET_USER_UNCHECKED(val, uaddr) \
276 ((val) = fuword32(uaddr), 0)
278 #define cpu_to_le32(x) htole32(x)
279 #define le32_to_cpu(x) le32toh(x)
282 #define DRM_UDELAY(udelay) DELAY(udelay)
283 #define DRM_TIME_SLICE (hz/20) /* Time slice for GLXContexts */
285 #define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \
286 (_map) = (_dev)->context_sareas[_ctx]; \
289 #define LOCK_TEST_WITH_RETURN(dev, file_priv) \
291 if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \
292 dev->lock.file_priv != file_priv) { \
293 DRM_ERROR("%s called without lock held\n", \
299 /* Returns -errno to shared code */
300 #define DRM_WAIT_ON( ret, queue, timeout, condition ) \
301 for ( ret = 0 ; !ret && !(condition) ; ) { \
303 mtx_lock(&dev->irq_lock); \
305 ret = -mtx_sleep(&(queue), &dev->irq_lock, \
306 PZERO | PCATCH, "drmwtq", (timeout)); \
307 mtx_unlock(&dev->irq_lock); \
311 #define DRM_ERROR(fmt, arg...) \
312 printf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt, \
313 DRM_CURRENTPID, __func__ , ## arg)
315 #define DRM_INFO(fmt, arg...) printf("info: [" DRM_NAME "] " fmt , ## arg)
317 #define DRM_DEBUG(fmt, arg...) do { \
318 if (drm_debug_flag) \
319 printf("[" DRM_NAME ":pid%d:%s] " fmt, DRM_CURRENTPID, \
320 __func__ , ## arg); \
323 typedef struct drm_pci_id_list
332 #define DRM_MASTER 0x2
333 #define DRM_ROOT_ONLY 0x4
334 typedef struct drm_ioctl_desc {
336 int (*func)(struct drm_device *dev, void *data,
337 struct drm_file *file_priv);
341 * Creates a driver or general drm_ioctl_desc array entry for the given
342 * ioctl, for use by drm_ioctl().
344 #define DRM_IOCTL_DEF(ioctl, func, flags) \
345 [DRM_IOCTL_NR(ioctl)] = {ioctl, func, flags}
347 typedef struct drm_magic_entry {
349 struct drm_file *priv;
350 struct drm_magic_entry *next;
353 typedef struct drm_magic_head {
354 struct drm_magic_entry *head;
355 struct drm_magic_entry *tail;
358 typedef struct drm_buf {
359 int idx; /* Index into master buflist */
360 int total; /* Buffer size */
361 int order; /* log-base-2(total) */
362 int used; /* Amount of buffer in use (for DMA) */
363 unsigned long offset; /* Byte offset (used internally) */
364 void *address; /* Address of buffer */
365 unsigned long bus_address; /* Bus address of buffer */
366 struct drm_buf *next; /* Kernel-only: used for free list */
367 __volatile__ int pending; /* On hardware DMA queue */
368 struct drm_file *file_priv; /* Unique identifier of holding process */
369 int context; /* Kernel queue for this buffer */
377 } list; /* Which list we're on */
379 int dev_priv_size; /* Size of buffer private stoarge */
380 void *dev_private; /* Per-buffer private storage */
383 typedef struct drm_freelist {
384 int initialized; /* Freelist in use */
385 atomic_t count; /* Number of free buffers */
386 drm_buf_t *next; /* End pointer */
388 int low_mark; /* Low water mark */
389 int high_mark; /* High water mark */
392 typedef struct drm_dma_handle {
399 typedef struct drm_buf_entry {
404 drm_dma_handle_t **seglist;
407 drm_freelist_t freelist;
410 typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t;
412 TAILQ_ENTRY(drm_file) link;
413 struct drm_device *dev;
420 unsigned long ioctl_count;
424 typedef struct drm_lock_data {
425 struct drm_hw_lock *hw_lock; /* Hardware lock */
426 struct drm_file *file_priv; /* Unique identifier of holding process (NULL is kernel)*/
427 int lock_queue; /* Queue of blocked processes */
428 unsigned long lock_time; /* Time of last lock in jiffies */
431 /* This structure, in the struct drm_device, is always initialized while the
433 * is open. dev->dma_lock protects the incrementing of dev->buf_use, which
434 * when set marks that no further bufs may be allocated until device teardown
435 * occurs (when the last open of the device has closed). The high/low
436 * watermarks of bufs are only touched by the X Server, and thus not
437 * concurrently accessed, so no locking is needed.
439 typedef struct drm_device_dma {
440 drm_buf_entry_t bufs[DRM_MAX_ORDER+1];
442 drm_buf_t **buflist; /* Vector of pointers info bufs */
445 unsigned long *pagelist;
446 unsigned long byte_count;
448 _DRM_DMA_USE_AGP = 0x01,
449 _DRM_DMA_USE_SG = 0x02
453 typedef struct drm_agp_mem {
455 unsigned long bound; /* address */
457 struct drm_agp_mem *prev;
458 struct drm_agp_mem *next;
461 typedef struct drm_agp_head {
463 struct agp_info info;
465 drm_agp_mem_t *memory;
471 int cant_use_aperture;
472 unsigned long page_mask;
475 typedef struct drm_sg_mem {
476 unsigned long handle;
480 drm_dma_handle_t *dmah; /* Handle to PCI memory for ATI PCIGART table */
483 typedef TAILQ_HEAD(drm_map_list, drm_local_map) drm_map_list_t;
485 typedef struct drm_local_map {
486 unsigned long offset; /* Physical address (0 for SAREA)*/
487 unsigned long size; /* Physical size (bytes) */
488 enum drm_map_type type; /* Type of memory mapped */
489 enum drm_map_flags flags; /* Flags */
490 void *handle; /* User-space: "Handle" to pass to mmap */
491 /* Kernel-space: kernel-virtual address */
492 int mtrr; /* Boolean: MTRR used */
494 int rid; /* PCI resource ID for bus_space */
495 struct resource *bsr;
497 bus_space_handle_t bsh;
498 drm_dma_handle_t *dmah;
499 TAILQ_ENTRY(drm_local_map) link;
502 TAILQ_HEAD(drm_vbl_sig_list, drm_vbl_sig);
503 typedef struct drm_vbl_sig {
504 TAILQ_ENTRY(drm_vbl_sig) link;
505 unsigned int sequence;
510 struct drm_vblank_info {
511 wait_queue_head_t queue; /* vblank wait queue */
512 atomic_t count; /* number of VBLANK interrupts */
513 /* (driver must alloc the right number of counters) */
514 struct drm_vbl_sig_list sigs; /* signal list to send on VBLANK */
515 atomic_t refcount; /* number of users of vblank interrupts */
516 u32 last; /* protected by dev->vbl_lock, used */
517 /* for wraparound handling */
518 int enabled; /* so we don't call enable more than */
519 /* once per disable */
520 int inmodeset; /* Display driver is setting mode */
523 /* location of GART table */
524 #define DRM_ATI_GART_MAIN 1
525 #define DRM_ATI_GART_FB 2
527 #define DRM_ATI_GART_PCI 1
528 #define DRM_ATI_GART_PCIE 2
529 #define DRM_ATI_GART_IGP 3
531 struct drm_ati_pcigart_info {
532 int gart_table_location;
536 dma_addr_t table_mask;
537 dma_addr_t member_mask;
538 struct drm_dma_handle *table_handle;
539 drm_local_map_t mapping;
544 #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : (1ULL<<(n)) - 1)
547 #define upper_32_bits(n) ((u32)(((n) >> 16) >> 16))
549 struct drm_driver_info {
550 int (*load)(struct drm_device *, unsigned long flags);
551 int (*firstopen)(struct drm_device *);
552 int (*open)(struct drm_device *, struct drm_file *);
553 void (*preclose)(struct drm_device *, struct drm_file *file_priv);
554 void (*postclose)(struct drm_device *, struct drm_file *);
555 void (*lastclose)(struct drm_device *);
556 int (*unload)(struct drm_device *);
557 void (*reclaim_buffers_locked)(struct drm_device *,
558 struct drm_file *file_priv);
559 int (*dma_ioctl)(struct drm_device *dev, void *data,
560 struct drm_file *file_priv);
561 void (*dma_ready)(struct drm_device *);
562 int (*dma_quiescent)(struct drm_device *);
563 int (*dma_flush_block_and_flush)(struct drm_device *, int context,
564 enum drm_lock_flags flags);
565 int (*dma_flush_unblock)(struct drm_device *, int context,
566 enum drm_lock_flags flags);
567 int (*context_ctor)(struct drm_device *dev, int context);
568 int (*context_dtor)(struct drm_device *dev, int context);
569 int (*kernel_context_switch)(struct drm_device *dev, int old,
571 int (*kernel_context_switch_unlock)(struct drm_device *dev);
572 void (*irq_preinstall)(struct drm_device *dev);
573 int (*irq_postinstall)(struct drm_device *dev);
574 void (*irq_uninstall)(struct drm_device *dev);
575 void (*irq_handler)(DRM_IRQ_ARGS);
576 u32 (*get_vblank_counter)(struct drm_device *dev, int crtc);
577 int (*enable_vblank)(struct drm_device *dev, int crtc);
578 void (*disable_vblank)(struct drm_device *dev, int crtc);
580 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */
583 * Called by \c drm_device_is_agp. Typically used to determine if a
584 * card is really attached to AGP or not.
586 * \param dev DRM device handle
589 * One of three values is returned depending on whether or not the
590 * card is absolutely \b not AGP (return of 0), absolutely \b is AGP
591 * (return of 1), or may or may not be AGP (return of 2).
593 int (*device_is_agp) (struct drm_device * dev);
595 drm_ioctl_desc_t *ioctls;
603 const char *name; /* Simple driver name */
604 const char *desc; /* Longer driver name */
605 const char *date; /* Date of last major changes. */
610 /* Length for the array of resource pointers for drm_get_resource_*. */
611 #define DRM_MAX_PCI_RESOURCE 3
614 * DRM device functions structure
617 struct drm_driver_info *driver;
618 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */
620 u_int16_t pci_device; /* PCI device id */
621 u_int16_t pci_vendor; /* PCI vendor id */
623 char *unique; /* Unique identifier: e.g., busid */
624 int unique_len; /* Length of unique field */
625 device_t device; /* Device instance from newbus */
626 struct cdev *devnode; /* Device number for mknod */
627 int if_version; /* Highest interface version set */
629 int flags; /* Flags to open(2) */
632 struct mtx vbl_lock; /* protects vblank operations */
633 struct mtx dma_lock; /* protects dev->dma */
634 struct mtx irq_lock; /* protects irq condition checks */
635 struct mtx dev_lock; /* protects everything else */
636 DRM_SPINTYPE drw_lock;
637 DRM_SPINTYPE tsk_lock;
640 int open_count; /* Outstanding files open */
641 int buf_use; /* Buffers in use -- cannot alloc */
643 /* Performance counters */
644 unsigned long counters;
645 enum drm_stat_type types[15];
649 drm_file_list_t files;
650 drm_magic_head_t magiclist[DRM_HASH_SIZE];
652 /* Linked list of mappable regions. Protected by dev_lock */
653 drm_map_list_t maplist;
655 drm_local_map_t **context_sareas;
658 drm_lock_data_t lock; /* Information on hardware lock */
660 /* DMA queues (contexts) */
661 drm_device_dma_t *dma; /* Optional pointer for DMA support */
663 /* Context support */
664 int irq; /* Interrupt used by board */
665 int irq_enabled; /* True if the irq handler is enabled */
666 int irqrid; /* Interrupt used by board */
667 struct resource *irqr; /* Resource for interrupt used by board */
668 void *irqh; /* Handle from bus_setup_intr */
670 /* Storage of resource pointers for drm_get_resource_* */
671 struct resource *pcir[DRM_MAX_PCI_RESOURCE];
672 int pcirid[DRM_MAX_PCI_RESOURCE];
679 atomic_t context_flag; /* Context swapping flag */
680 int last_context; /* Last current context */
682 int vblank_disable_allowed;
683 atomic_t vbl_signal_pending; /* number of signals pending on all crtcs */
684 struct callout vblank_disable_timer;
685 u32 max_vblank_count; /* size of vblank counter register */
686 struct drm_vblank_info *vblank; /* per crtc vblank info */
689 struct sigio *buf_sigio; /* Processes waiting for SIGIO */
692 struct drm_sysctl_info *sysctl;
695 drm_sg_mem_t *sg; /* Scatter gather memory */
696 atomic_t *ctx_bitmap;
698 unsigned int agp_buffer_token;
699 drm_local_map_t *agp_buffer_map;
701 struct unrhdr *drw_unrhdr;
702 /* RB tree of drawable infos */
703 RB_HEAD(drawable_tree, bsd_drm_drawable_info) drw_head;
705 struct task locked_task;
706 void (*locked_task_call)(struct drm_device *dev);
709 static __inline__ int drm_core_check_feature(struct drm_device *dev,
712 return ((dev->driver->driver_features & feature) ? 1 : 0);
716 static inline int drm_core_has_AGP(struct drm_device *dev)
718 return drm_core_check_feature(dev, DRIVER_USE_AGP);
721 #define drm_core_has_AGP(dev) (0)
724 extern int drm_debug_flag;
726 /* Device setup support (drm_drv.c) */
727 int drm_probe(device_t nbdev, drm_pci_id_list_t *idlist);
728 int drm_attach(device_t nbdev, drm_pci_id_list_t *idlist);
729 void drm_close(void *data);
730 int drm_detach(device_t nbdev);
736 extern drm_local_map_t *drm_getsarea(struct drm_device *dev);
738 /* File operations helpers (drm_fops.c) */
739 extern int drm_open_helper(struct cdev *kdev, int flags, int fmt,
741 struct drm_device *dev);
743 /* Memory management support (drm_memory.c) */
744 void drm_mem_init(void);
745 void drm_mem_uninit(void);
746 void *drm_ioremap_wc(struct drm_device *dev, drm_local_map_t *map);
747 void *drm_ioremap(struct drm_device *dev, drm_local_map_t *map);
748 void drm_ioremapfree(drm_local_map_t *map);
749 int drm_mtrr_add(unsigned long offset, size_t size, int flags);
750 int drm_mtrr_del(int handle, unsigned long offset, size_t size, int flags);
752 int drm_context_switch(struct drm_device *dev, int old, int new);
753 int drm_context_switch_complete(struct drm_device *dev, int new);
755 int drm_ctxbitmap_init(struct drm_device *dev);
756 void drm_ctxbitmap_cleanup(struct drm_device *dev);
757 void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle);
758 int drm_ctxbitmap_next(struct drm_device *dev);
760 /* Locking IOCTL support (drm_lock.c) */
761 int drm_lock_take(struct drm_lock_data *lock_data,
762 unsigned int context);
763 int drm_lock_transfer(struct drm_lock_data *lock_data,
764 unsigned int context);
765 int drm_lock_free(struct drm_lock_data *lock_data,
766 unsigned int context);
768 /* Buffer management support (drm_bufs.c) */
769 unsigned long drm_get_resource_start(struct drm_device *dev,
770 unsigned int resource);
771 unsigned long drm_get_resource_len(struct drm_device *dev,
772 unsigned int resource);
773 void drm_rmmap(struct drm_device *dev, drm_local_map_t *map);
774 int drm_order(unsigned long size);
775 int drm_addmap(struct drm_device *dev, unsigned long offset,
777 enum drm_map_type type, enum drm_map_flags flags,
778 drm_local_map_t **map_ptr);
779 int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc *request);
780 int drm_addbufs_sg(struct drm_device *dev, struct drm_buf_desc *request);
781 int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc *request);
783 /* DMA support (drm_dma.c) */
784 int drm_dma_setup(struct drm_device *dev);
785 void drm_dma_takedown(struct drm_device *dev);
786 void drm_free_buffer(struct drm_device *dev, drm_buf_t *buf);
787 void drm_reclaim_buffers(struct drm_device *dev, struct drm_file *file_priv);
788 #define drm_core_reclaim_buffers drm_reclaim_buffers
790 /* IRQ support (drm_irq.c) */
791 int drm_irq_install(struct drm_device *dev);
792 int drm_irq_uninstall(struct drm_device *dev);
793 irqreturn_t drm_irq_handler(DRM_IRQ_ARGS);
794 void drm_driver_irq_preinstall(struct drm_device *dev);
795 void drm_driver_irq_postinstall(struct drm_device *dev);
796 void drm_driver_irq_uninstall(struct drm_device *dev);
797 void drm_handle_vblank(struct drm_device *dev, int crtc);
798 u32 drm_vblank_count(struct drm_device *dev, int crtc);
799 int drm_vblank_get(struct drm_device *dev, int crtc);
800 void drm_vblank_put(struct drm_device *dev, int crtc);
801 int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq);
802 int drm_vblank_init(struct drm_device *dev, int num_crtcs);
803 void drm_vbl_send_signals(struct drm_device *dev, int crtc);
804 int drm_modeset_ctl(struct drm_device *dev, void *data,
805 struct drm_file *file_priv);
807 /* AGP/PCI Express/GART support (drm_agpsupport.c) */
808 int drm_device_is_agp(struct drm_device *dev);
809 int drm_device_is_pcie(struct drm_device *dev);
810 drm_agp_head_t *drm_agp_init(void);
811 int drm_agp_acquire(struct drm_device *dev);
812 int drm_agp_release(struct drm_device *dev);
813 int drm_agp_info(struct drm_device * dev, struct drm_agp_info *info);
814 int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode);
815 void *drm_agp_allocate_memory(size_t pages, u32 type);
816 int drm_agp_free_memory(void *handle);
817 int drm_agp_bind_memory(void *handle, off_t start);
818 int drm_agp_unbind_memory(void *handle);
819 int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request);
820 int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request);
821 int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request);
822 int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request);
824 /* Scatter Gather Support (drm_scatter.c) */
825 void drm_sg_cleanup(drm_sg_mem_t *entry);
826 int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request);
828 /* sysctl support (drm_sysctl.h) */
829 extern int drm_sysctl_init(struct drm_device *dev);
830 extern int drm_sysctl_cleanup(struct drm_device *dev);
832 /* ATI PCIGART support (ati_pcigart.c) */
833 int drm_ati_pcigart_init(struct drm_device *dev,
834 struct drm_ati_pcigart_info *gart_info);
835 int drm_ati_pcigart_cleanup(struct drm_device *dev,
836 struct drm_ati_pcigart_info *gart_info);
838 /* Locking IOCTL support (drm_drv.c) */
839 int drm_lock(struct drm_device *dev, void *data,
840 struct drm_file *file_priv);
841 int drm_unlock(struct drm_device *dev, void *data,
842 struct drm_file *file_priv);
843 int drm_version(struct drm_device *dev, void *data,
844 struct drm_file *file_priv);
845 int drm_setversion(struct drm_device *dev, void *data,
846 struct drm_file *file_priv);
848 /* Misc. IOCTL support (drm_ioctl.c) */
849 int drm_irq_by_busid(struct drm_device *dev, void *data,
850 struct drm_file *file_priv);
851 int drm_getunique(struct drm_device *dev, void *data,
852 struct drm_file *file_priv);
853 int drm_setunique(struct drm_device *dev, void *data,
854 struct drm_file *file_priv);
855 int drm_getmap(struct drm_device *dev, void *data,
856 struct drm_file *file_priv);
857 int drm_getclient(struct drm_device *dev, void *data,
858 struct drm_file *file_priv);
859 int drm_getstats(struct drm_device *dev, void *data,
860 struct drm_file *file_priv);
861 int drm_noop(struct drm_device *dev, void *data,
862 struct drm_file *file_priv);
864 /* Context IOCTL support (drm_context.c) */
865 int drm_resctx(struct drm_device *dev, void *data,
866 struct drm_file *file_priv);
867 int drm_addctx(struct drm_device *dev, void *data,
868 struct drm_file *file_priv);
869 int drm_modctx(struct drm_device *dev, void *data,
870 struct drm_file *file_priv);
871 int drm_getctx(struct drm_device *dev, void *data,
872 struct drm_file *file_priv);
873 int drm_switchctx(struct drm_device *dev, void *data,
874 struct drm_file *file_priv);
875 int drm_newctx(struct drm_device *dev, void *data,
876 struct drm_file *file_priv);
877 int drm_rmctx(struct drm_device *dev, void *data,
878 struct drm_file *file_priv);
879 int drm_setsareactx(struct drm_device *dev, void *data,
880 struct drm_file *file_priv);
881 int drm_getsareactx(struct drm_device *dev, void *data,
882 struct drm_file *file_priv);
884 /* Drawable IOCTL support (drm_drawable.c) */
885 int drm_adddraw(struct drm_device *dev, void *data,
886 struct drm_file *file_priv);
887 int drm_rmdraw(struct drm_device *dev, void *data,
888 struct drm_file *file_priv);
889 int drm_update_draw(struct drm_device *dev, void *data,
890 struct drm_file *file_priv);
891 struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev,
894 /* Drawable support (drm_drawable.c) */
895 void drm_drawable_free_all(struct drm_device *dev);
897 /* Authentication IOCTL support (drm_auth.c) */
898 int drm_getmagic(struct drm_device *dev, void *data,
899 struct drm_file *file_priv);
900 int drm_authmagic(struct drm_device *dev, void *data,
901 struct drm_file *file_priv);
903 /* Buffer management support (drm_bufs.c) */
904 int drm_addmap_ioctl(struct drm_device *dev, void *data,
905 struct drm_file *file_priv);
906 int drm_rmmap_ioctl(struct drm_device *dev, void *data,
907 struct drm_file *file_priv);
908 int drm_addbufs_ioctl(struct drm_device *dev, void *data,
909 struct drm_file *file_priv);
910 int drm_infobufs(struct drm_device *dev, void *data,
911 struct drm_file *file_priv);
912 int drm_markbufs(struct drm_device *dev, void *data,
913 struct drm_file *file_priv);
914 int drm_freebufs(struct drm_device *dev, void *data,
915 struct drm_file *file_priv);
916 int drm_mapbufs(struct drm_device *dev, void *data,
917 struct drm_file *file_priv);
919 /* DMA support (drm_dma.c) */
920 int drm_dma(struct drm_device *dev, void *data, struct drm_file *file_priv);
922 /* IRQ support (drm_irq.c) */
923 int drm_control(struct drm_device *dev, void *data,
924 struct drm_file *file_priv);
925 int drm_wait_vblank(struct drm_device *dev, void *data,
926 struct drm_file *file_priv);
927 void drm_locked_tasklet(struct drm_device *dev,
928 void (*tasklet)(struct drm_device *dev));
930 /* AGP/GART support (drm_agpsupport.c) */
931 int drm_agp_acquire_ioctl(struct drm_device *dev, void *data,
932 struct drm_file *file_priv);
933 int drm_agp_release_ioctl(struct drm_device *dev, void *data,
934 struct drm_file *file_priv);
935 int drm_agp_enable_ioctl(struct drm_device *dev, void *data,
936 struct drm_file *file_priv);
937 int drm_agp_info_ioctl(struct drm_device *dev, void *data,
938 struct drm_file *file_priv);
939 int drm_agp_alloc_ioctl(struct drm_device *dev, void *data,
940 struct drm_file *file_priv);
941 int drm_agp_free_ioctl(struct drm_device *dev, void *data,
942 struct drm_file *file_priv);
943 int drm_agp_unbind_ioctl(struct drm_device *dev, void *data,
944 struct drm_file *file_priv);
945 int drm_agp_bind_ioctl(struct drm_device *dev, void *data,
946 struct drm_file *file_priv);
948 /* Scatter Gather Support (drm_scatter.c) */
949 int drm_sg_alloc_ioctl(struct drm_device *dev, void *data,
950 struct drm_file *file_priv);
951 int drm_sg_free(struct drm_device *dev, void *data,
952 struct drm_file *file_priv);
954 /* consistent PCI memory functions (drm_pci.c) */
955 drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size,
956 size_t align, dma_addr_t maxaddr);
957 void drm_pci_free(struct drm_device *dev, drm_dma_handle_t *dmah);
959 /* Inline replacements for drm_alloc and friends */
960 static __inline__ void *
961 drm_alloc(size_t size, struct malloc_type *area)
963 return malloc(size, area, M_NOWAIT);
966 static __inline__ void *
967 drm_calloc(size_t nmemb, size_t size, struct malloc_type *area)
969 return malloc(size * nmemb, area, M_NOWAIT | M_ZERO);
972 static __inline__ void *
973 drm_realloc(void *oldpt, size_t oldsize, size_t size,
974 struct malloc_type *area)
976 return reallocf(oldpt, size, area, M_NOWAIT);
979 static __inline__ void
980 drm_free(void *pt, size_t size, struct malloc_type *area)
985 /* Inline replacements for DRM_IOREMAP macros */
986 static __inline__ void
987 drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev)
989 map->handle = drm_ioremap_wc(dev, map);
991 static __inline__ void
992 drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev)
994 map->handle = drm_ioremap(dev, map);
996 static __inline__ void
997 drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev)
999 if ( map->handle && map->size )
1000 drm_ioremapfree(map);
1003 static __inline__ struct drm_local_map *
1004 drm_core_findmap(struct drm_device *dev, unsigned long offset)
1006 drm_local_map_t *map;
1008 DRM_SPINLOCK_ASSERT(&dev->dev_lock);
1009 TAILQ_FOREACH(map, &dev->maplist, link) {
1010 if (map->offset == offset)
1016 static __inline__ void drm_core_dropmap(struct drm_map *map)
1020 #endif /* __KERNEL__ */
1021 #endif /* _DRM_P_H_ */