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>
37 #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>
46 #include <sys/module.h>
47 #include <sys/systm.h>
53 #include <sys/fcntl.h>
55 #include <sys/filio.h>
56 #include <sys/sysctl.h>
58 #include <sys/signalvar.h>
59 #include <sys/event.h>
61 #include <sys/taskqueue.h>
64 #include <vm/vm_extern.h>
65 #include <vm/vm_map.h>
66 #include <vm/vm_object.h>
67 #include <vm/vm_page.h>
68 #include <vm/vm_param.h>
69 #include <machine/param.h>
70 #include <machine/pmap.h>
72 #include <sys/resource.h>
73 #include <machine/specialreg.h>
74 #include <machine/sysarch.h>
75 #include <sys/endian.h>
78 #include <sys/memrange.h>
79 #include <dev/agp/agpvar.h>
80 #include <sys/device.h>
81 #include <sys/agpio.h>
82 #include <sys/spinlock.h>
83 #include <sys/spinlock2.h>
84 #include <bus/pci/pcivar.h>
85 #include <bus/pci/pcireg.h>
88 #include "dev/drm/drm.h"
89 #include "dev/drm/drm_linux_list.h"
90 #include "dev/drm/drm_atomic.h"
91 #include "dev/drm/drm_internal.h"
96 #define DRM_DEBUG_DEFAULT_ON 1
97 #endif /* DRM_DEBUG */
99 #if defined(DRM_LINUX) && DRM_LINUX && !defined(__x86_64__) && !defined(__DragonFly__) /* XXX */
100 #include <sys/file.h>
101 #include <sys/proc.h>
102 #include <machine/../linux/linux.h>
103 #include <machine/../linux/linux_proto.h>
105 /* Either it was defined when it shouldn't be (FreeBSD amd64) or it isn't
106 * supported on this OS yet.
112 /* driver capabilities and requirements mask */
113 #define DRIVER_USE_AGP 0x1
114 #define DRIVER_REQUIRE_AGP 0x2
115 #define DRIVER_USE_MTRR 0x4
116 #define DRIVER_PCI_DMA 0x8
117 #define DRIVER_SG 0x10
118 #define DRIVER_HAVE_DMA 0x20
119 #define DRIVER_HAVE_IRQ 0x40
120 #define DRIVER_DMA_QUEUE 0x100
123 #define DRM_HASH_SIZE 16 /* Size of key hash table */
124 #define DRM_KERNEL_CONTEXT 0 /* Change drm_resctx if changed */
125 #define DRM_RESERVED_CONTEXTS 1 /* Change drm_resctx if changed */
127 MALLOC_DECLARE(DRM_MEM_DMA);
128 MALLOC_DECLARE(DRM_MEM_SAREA);
129 MALLOC_DECLARE(DRM_MEM_DRIVER);
130 MALLOC_DECLARE(DRM_MEM_MAGIC);
131 MALLOC_DECLARE(DRM_MEM_IOCTLS);
132 MALLOC_DECLARE(DRM_MEM_MAPS);
133 MALLOC_DECLARE(DRM_MEM_BUFS);
134 MALLOC_DECLARE(DRM_MEM_SEGS);
135 MALLOC_DECLARE(DRM_MEM_PAGES);
136 MALLOC_DECLARE(DRM_MEM_FILES);
137 MALLOC_DECLARE(DRM_MEM_QUEUES);
138 MALLOC_DECLARE(DRM_MEM_CMDS);
139 MALLOC_DECLARE(DRM_MEM_MAPPINGS);
140 MALLOC_DECLARE(DRM_MEM_BUFLISTS);
141 MALLOC_DECLARE(DRM_MEM_AGPLISTS);
142 MALLOC_DECLARE(DRM_MEM_CTXBITMAP);
143 MALLOC_DECLARE(DRM_MEM_SGLISTS);
144 MALLOC_DECLARE(DRM_MEM_DRAWABLE);
145 MALLOC_DECLARE(DRM_MEM_MM);
146 MALLOC_DECLARE(DRM_MEM_HASHTAB);
148 #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8)
150 /* Internal types and structures */
151 #define DRM_ARRAY_SIZE(x) NELEM(x)
152 #define DRM_MIN(a,b) ((a)<(b)?(a):(b))
153 #define DRM_MAX(a,b) ((a)>(b)?(a):(b))
155 #define DRM_IF_VERSION(maj, min) (maj << 16 | min)
157 #define __OS_HAS_AGP 1
159 #define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP)
160 #define DRM_DEV_UID 0
161 #define DRM_DEV_GID 0
163 #define wait_queue_head_t atomic_t
164 #define DRM_WAKEUP(w) wakeup((void *)w)
165 #define DRM_WAKEUP_INT(w) wakeup(w)
166 #define DRM_INIT_WAITQUEUE(queue) do {(void)(queue);} while (0)
168 #define DRM_CURPROC curthread
169 #define DRM_STRUCTPROC struct thread
170 #define DRM_SPINTYPE struct lock
171 #define DRM_SPININIT(l,name) lockinit(l, name, 0, LK_CANRECURSE)
172 #define DRM_SPINUNINIT(l)
173 #define DRM_SPINLOCK(l) lockmgr(l, LK_EXCLUSIVE|LK_RETRY|LK_CANRECURSE)
174 #define DRM_SPINUNLOCK(u) lockmgr(u, LK_RELEASE)
175 #define DRM_SPINLOCK_IRQSAVE(l, irqflags) do { \
179 #define DRM_SPINUNLOCK_IRQRESTORE(u, irqflags) DRM_SPINUNLOCK(u)
180 #define DRM_SPINLOCK_ASSERT(l)
181 #define DRM_CURRENTPID (curthread->td_proc ? \
182 curthread->td_proc->p_pid : -1)
183 #define DRM_LOCK() DRM_SPINLOCK(&dev->dev_lock)
184 #define DRM_UNLOCK() DRM_SPINUNLOCK(&dev->dev_lock)
185 #define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS)
187 #define DRM_IRQ_ARGS void *arg
188 typedef void irqreturn_t;
189 #define IRQ_HANDLED /* nothing */
190 #define IRQ_NONE /* nothing */
192 #define unlikely(x) __builtin_expect(!!(x), 0)
193 #define container_of(ptr, type, member) ({ \
194 __typeof( ((type *)0)->member ) *__mptr = (ptr); \
195 (type *)( (char *)__mptr - offsetof(type,member) );})
202 #define DRM_AGP_MEM struct agp_memory_info
204 #define drm_get_device_from_kdev(_kdev) (_kdev->si_drv1)
206 #define PAGE_ALIGN(addr) round_page(addr)
207 /* DRM_SUSER returns true if the user is superuser */
208 #define DRM_SUSER(p) (priv_check(p, PRIV_DRIVER) == 0)
209 #define DRM_AGP_FIND_DEVICE() agp_find_device()
210 #define DRM_MTRR_WC MDF_WRITECOMBINE
211 #define jiffies ticks
213 typedef unsigned long dma_addr_t;
214 typedef u_int64_t u64;
215 typedef u_int32_t u32;
216 typedef u_int16_t u16;
219 /* DRM_READMEMORYBARRIER() prevents reordering of reads.
220 * DRM_WRITEMEMORYBARRIER() prevents reordering of writes.
221 * DRM_MEMORYBARRIER() prevents reordering of reads and writes.
223 #if defined(__i386__)
224 #define DRM_READMEMORYBARRIER() __asm __volatile( \
225 "lock; addl $0,0(%%esp)" : : : "memory");
226 #define DRM_WRITEMEMORYBARRIER() __asm __volatile("" : : : "memory");
227 #define DRM_MEMORYBARRIER() __asm __volatile( \
228 "lock; addl $0,0(%%esp)" : : : "memory");
229 #elif defined(__alpha__)
230 #define DRM_READMEMORYBARRIER() alpha_mb();
231 #define DRM_WRITEMEMORYBARRIER() alpha_wmb();
232 #define DRM_MEMORYBARRIER() alpha_mb();
233 #elif defined(__x86_64__)
234 #define DRM_READMEMORYBARRIER() __asm __volatile( \
235 "lock; addl $0,0(%%rsp)" : : : "memory");
236 #define DRM_WRITEMEMORYBARRIER() __asm __volatile("" : : : "memory");
237 #define DRM_MEMORYBARRIER() __asm __volatile( \
238 "lock; addl $0,0(%%rsp)" : : : "memory");
241 #define DRM_READ8(map, offset) \
242 *(volatile u_int8_t *)(((vm_offset_t)(map)->handle) + \
243 (vm_offset_t)(offset))
244 #define DRM_READ16(map, offset) \
245 *(volatile u_int16_t *)(((vm_offset_t)(map)->handle) + \
246 (vm_offset_t)(offset))
247 #define DRM_READ32(map, offset) \
248 *(volatile u_int32_t *)(((vm_offset_t)(map)->handle) + \
249 (vm_offset_t)(offset))
250 #define DRM_WRITE8(map, offset, val) \
251 *(volatile u_int8_t *)(((vm_offset_t)(map)->handle) + \
252 (vm_offset_t)(offset)) = val
253 #define DRM_WRITE16(map, offset, val) \
254 *(volatile u_int16_t *)(((vm_offset_t)(map)->handle) + \
255 (vm_offset_t)(offset)) = val
256 #define DRM_WRITE32(map, offset, val) \
257 *(volatile u_int32_t *)(((vm_offset_t)(map)->handle) + \
258 (vm_offset_t)(offset)) = val
260 #define DRM_VERIFYAREA_READ( uaddr, size ) \
261 (!useracc(__DECONST(caddr_t, uaddr), size, VM_PROT_READ))
263 #define DRM_COPY_TO_USER(user, kern, size) \
264 copyout(kern, user, size)
265 #define DRM_COPY_FROM_USER(kern, user, size) \
266 copyin(user, kern, size)
267 #define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \
268 copyin(arg2, arg1, arg3)
269 #define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \
270 copyout(arg2, arg1, arg3)
271 #define DRM_GET_USER_UNCHECKED(val, uaddr) \
272 ((val) = fuword32(uaddr), 0)
274 #define cpu_to_le32(x) htole32(x)
275 #define le32_to_cpu(x) le32toh(x)
278 #define DRM_UDELAY(udelay) DELAY(udelay)
279 #define DRM_TIME_SLICE (hz/20) /* Time slice for GLXContexts */
281 #define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \
282 (_map) = (_dev)->context_sareas[_ctx]; \
285 #define LOCK_TEST_WITH_RETURN(dev, file_priv) \
287 if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \
288 dev->lock.file_priv != file_priv) { \
289 DRM_ERROR("%s called without lock held\n", \
295 /* Returns -errno to shared code */
296 #define DRM_WAIT_ON( ret, queue, timeout, condition ) \
297 for ( ret = 0 ; !ret && !(condition) ; ) { \
299 lwkt_serialize_enter(&dev->irq_lock); \
300 if (!(condition)) { \
301 tsleep_interlock(&(queue), PCATCH); \
302 lwkt_serialize_exit(&dev->irq_lock); \
303 ret = -tsleep(&(queue), PCATCH | PINTERLOCKED, \
304 "drmwtq", (timeout)); \
306 lwkt_serialize_exit(&dev->irq_lock); \
311 #define printf kprintf
312 #define snprintf ksnprintf
313 #define sscanf ksscanf
314 #define malloc kmalloc
315 #define realloc krealloc
316 #define reallocf krealloc /* XXX XXX XXX */
319 free(void *addr, struct malloc_type *type)
325 #define DRM_ERROR(fmt, ...) \
326 printf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt, \
327 DRM_CURRENTPID, __func__ , ##__VA_ARGS__)
329 #define DRM_INFO(fmt, ...) printf("info: [" DRM_NAME "] " fmt , ##__VA_ARGS__)
331 #define DRM_DEBUG(fmt, ...) do { \
332 if (drm_debug_flag) \
333 printf("[" DRM_NAME ":pid%d:%s] " fmt, DRM_CURRENTPID, \
334 __func__ , ##__VA_ARGS__); \
337 typedef struct drm_pci_id_list
345 struct drm_msi_blacklist_entry
352 #define DRM_MASTER 0x2
353 #define DRM_ROOT_ONLY 0x4
354 typedef struct drm_ioctl_desc {
356 int (*func)(struct drm_device *dev, void *data,
357 struct drm_file *file_priv);
361 * Creates a driver or general drm_ioctl_desc array entry for the given
362 * ioctl, for use by drm_ioctl().
364 #define DRM_IOCTL_DEF(ioctl, func, flags) \
365 [DRM_IOCTL_NR(ioctl)] = {ioctl, func, flags}
367 typedef struct drm_magic_entry {
369 struct drm_file *priv;
370 struct drm_magic_entry *next;
373 typedef struct drm_magic_head {
374 struct drm_magic_entry *head;
375 struct drm_magic_entry *tail;
378 typedef struct drm_buf {
379 int idx; /* Index into master buflist */
380 int total; /* Buffer size */
381 int order; /* log-base-2(total) */
382 int used; /* Amount of buffer in use (for DMA) */
383 unsigned long offset; /* Byte offset (used internally) */
384 void *address; /* Address of buffer */
385 unsigned long bus_address; /* Bus address of buffer */
386 struct drm_buf *next; /* Kernel-only: used for free list */
387 __volatile__ int pending; /* On hardware DMA queue */
388 struct drm_file *file_priv; /* Unique identifier of holding process */
389 int context; /* Kernel queue for this buffer */
397 } list; /* Which list we're on */
399 int dev_priv_size; /* Size of buffer private stoarge */
400 void *dev_private; /* Per-buffer private storage */
403 typedef struct drm_freelist {
404 int initialized; /* Freelist in use */
405 atomic_t count; /* Number of free buffers */
406 drm_buf_t *next; /* End pointer */
408 int low_mark; /* Low water mark */
409 int high_mark; /* High water mark */
412 typedef struct drm_dma_handle {
419 typedef struct drm_buf_entry {
424 drm_dma_handle_t **seglist;
427 drm_freelist_t freelist;
430 typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t;
432 TAILQ_ENTRY(drm_file) link;
433 struct drm_device *dev;
441 unsigned long ioctl_count;
445 typedef struct drm_lock_data {
446 struct drm_hw_lock *hw_lock; /* Hardware lock */
447 struct drm_file *file_priv; /* Unique identifier of holding process (NULL is kernel)*/
448 int lock_queue; /* Queue of blocked processes */
449 unsigned long lock_time; /* Time of last lock in jiffies */
452 /* This structure, in the struct drm_device, is always initialized while the
454 * is open. dev->dma_lock protects the incrementing of dev->buf_use, which
455 * when set marks that no further bufs may be allocated until device teardown
456 * occurs (when the last open of the device has closed). The high/low
457 * watermarks of bufs are only touched by the X Server, and thus not
458 * concurrently accessed, so no locking is needed.
460 typedef struct drm_device_dma {
461 drm_buf_entry_t bufs[DRM_MAX_ORDER+1];
463 drm_buf_t **buflist; /* Vector of pointers info bufs */
466 unsigned long *pagelist;
467 unsigned long byte_count;
469 _DRM_DMA_USE_AGP = 0x01,
470 _DRM_DMA_USE_SG = 0x02
474 typedef struct drm_agp_mem {
476 unsigned long bound; /* address */
478 struct drm_agp_mem *prev;
479 struct drm_agp_mem *next;
482 typedef struct drm_agp_head {
484 struct agp_info info;
486 drm_agp_mem_t *memory;
492 int cant_use_aperture;
493 unsigned long page_mask;
496 typedef struct drm_sg_mem {
497 unsigned long handle;
501 struct drm_dma_handle *dmah; /* Handle to PCI memory */
504 typedef TAILQ_HEAD(drm_map_list, drm_local_map) drm_map_list_t;
506 typedef struct drm_local_map {
507 unsigned long offset; /* Physical address (0 for SAREA)*/
508 unsigned long size; /* Physical size (bytes) */
509 enum drm_map_type type; /* Type of memory mapped */
510 enum drm_map_flags flags; /* Flags */
511 void *handle; /* User-space: "Handle" to pass to mmap */
512 /* Kernel-space: kernel-virtual address */
513 int mtrr; /* Boolean: MTRR used */
515 int rid; /* PCI resource ID for bus_space */
516 struct resource *bsr;
518 bus_space_handle_t bsh;
519 drm_dma_handle_t *dmah;
520 TAILQ_ENTRY(drm_local_map) link;
523 struct drm_vblank_info {
524 wait_queue_head_t queue; /* vblank wait queue */
525 atomic_t count; /* number of VBLANK interrupts */
526 /* (driver must alloc the right number of counters) */
527 atomic_t refcount; /* number of users of vblank interrupts */
528 u32 last; /* protected by dev->vbl_lock, used */
529 /* for wraparound handling */
530 int enabled; /* so we don't call enable more than */
531 /* once per disable */
532 int inmodeset; /* Display driver is setting mode */
535 /* location of GART table */
536 #define DRM_ATI_GART_MAIN 1
537 #define DRM_ATI_GART_FB 2
539 #define DRM_ATI_GART_PCI 1
540 #define DRM_ATI_GART_PCIE 2
541 #define DRM_ATI_GART_IGP 3
543 struct drm_ati_pcigart_info {
544 int gart_table_location;
548 dma_addr_t table_mask;
549 dma_addr_t member_mask;
550 struct drm_dma_handle *table_handle;
551 drm_local_map_t mapping;
553 struct drm_dma_handle *dmah; /* handle for ATI PCIGART table */
557 #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : (1ULL<<(n)) - 1)
560 #define upper_32_bits(n) ((u32)(((n) >> 16) >> 16))
562 struct drm_driver_info {
563 int (*load)(struct drm_device *, unsigned long flags);
564 int (*firstopen)(struct drm_device *);
565 int (*open)(struct drm_device *, struct drm_file *);
566 void (*preclose)(struct drm_device *, struct drm_file *file_priv);
567 void (*postclose)(struct drm_device *, struct drm_file *);
568 void (*lastclose)(struct drm_device *);
569 int (*unload)(struct drm_device *);
570 void (*reclaim_buffers_locked)(struct drm_device *,
571 struct drm_file *file_priv);
572 int (*dma_ioctl)(struct drm_device *dev, void *data,
573 struct drm_file *file_priv);
574 void (*dma_ready)(struct drm_device *);
575 int (*dma_quiescent)(struct drm_device *);
576 int (*dma_flush_block_and_flush)(struct drm_device *, int context,
577 enum drm_lock_flags flags);
578 int (*dma_flush_unblock)(struct drm_device *, int context,
579 enum drm_lock_flags flags);
580 int (*context_ctor)(struct drm_device *dev, int context);
581 int (*context_dtor)(struct drm_device *dev, int context);
582 int (*kernel_context_switch)(struct drm_device *dev, int old,
584 int (*kernel_context_switch_unlock)(struct drm_device *dev);
585 void (*irq_preinstall)(struct drm_device *dev);
586 int (*irq_postinstall)(struct drm_device *dev);
587 void (*irq_uninstall)(struct drm_device *dev);
588 void (*irq_handler)(DRM_IRQ_ARGS);
589 u32 (*get_vblank_counter)(struct drm_device *dev, int crtc);
590 int (*enable_vblank)(struct drm_device *dev, int crtc);
591 void (*disable_vblank)(struct drm_device *dev, int crtc);
593 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */
596 * Called by \c drm_device_is_agp. Typically used to determine if a
597 * card is really attached to AGP or not.
599 * \param dev DRM device handle
602 * One of three values is returned depending on whether or not the
603 * card is absolutely \b not AGP (return of 0), absolutely \b is AGP
604 * (return of 1), or may or may not be AGP (return of 2).
606 int (*device_is_agp) (struct drm_device * dev);
608 drm_ioctl_desc_t *ioctls;
616 const char *name; /* Simple driver name */
617 const char *desc; /* Longer driver name */
618 const char *date; /* Date of last major changes. */
623 /* Length for the array of resource pointers for drm_get_resource_*. */
624 #define DRM_MAX_PCI_RESOURCE 6
627 * DRM device functions structure
630 struct drm_driver_info *driver;
631 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */
633 u_int16_t pci_device; /* PCI device id */
634 u_int16_t pci_vendor; /* PCI vendor id */
636 char *unique; /* Unique identifier: e.g., busid */
637 int unique_len; /* Length of unique field */
638 device_t device; /* Device instance from newbus */
639 struct cdev *devnode; /* Device number for mknod */
640 int if_version; /* Highest interface version set */
642 int flags; /* Flags to open(2) */
645 DRM_SPINTYPE vbl_lock; /* protects vblank operations */
646 DRM_SPINTYPE dma_lock; /* protects dev->dma */
647 struct lwkt_serialize irq_lock; /* protects irq condition checks */
648 DRM_SPINTYPE dev_lock; /* protects everything else */
649 DRM_SPINTYPE drw_lock;
652 int open_count; /* Outstanding files open */
653 int buf_use; /* Buffers in use -- cannot alloc */
655 /* Performance counters */
656 unsigned long counters;
657 enum drm_stat_type types[15];
661 drm_file_list_t files;
662 drm_magic_head_t magiclist[DRM_HASH_SIZE];
664 /* Linked list of mappable regions. Protected by dev_lock */
665 drm_map_list_t maplist;
667 drm_local_map_t **context_sareas;
670 drm_lock_data_t lock; /* Information on hardware lock */
672 /* DMA queues (contexts) */
673 drm_device_dma_t *dma; /* Optional pointer for DMA support */
675 /* Context support */
676 int irq; /* Interrupt used by board */
677 int irq_enabled; /* True if the irq handler is enabled */
678 int msi_enabled; /* MSI enabled */
679 int irqrid; /* Interrupt used by board */
680 struct resource *irqr; /* Resource for interrupt used by board */
681 void *irqh; /* Handle from bus_setup_intr */
683 /* Storage of resource pointers for drm_get_resource_* */
684 struct resource *pcir[DRM_MAX_PCI_RESOURCE];
685 int pcirid[DRM_MAX_PCI_RESOURCE];
692 atomic_t context_flag; /* Context swapping flag */
693 int last_context; /* Last current context */
695 int vblank_disable_allowed;
696 struct callout vblank_disable_timer;
697 u32 max_vblank_count; /* size of vblank counter register */
698 struct drm_vblank_info *vblank; /* per crtc vblank info */
701 struct sigio *buf_sigio; /* Processes waiting for SIGIO */
704 struct drm_sysctl_info *sysctl;
707 drm_sg_mem_t *sg; /* Scatter gather memory */
708 atomic_t *ctx_bitmap;
710 unsigned int agp_buffer_token;
711 drm_local_map_t *agp_buffer_map;
713 /* RB tree of drawable infos */
714 RB_HEAD(drawable_tree, bsd_drm_drawable_info) drw_head;
717 static __inline__ int drm_core_check_feature(struct drm_device *dev,
720 return ((dev->driver->driver_features & feature) ? 1 : 0);
724 static inline int drm_core_has_AGP(struct drm_device *dev)
726 return drm_core_check_feature(dev, DRIVER_USE_AGP);
729 #define drm_core_has_AGP(dev) (0)
732 extern int drm_debug_flag;
734 /* Device setup support (drm_drv.c) */
735 int drm_probe(device_t kdev, drm_pci_id_list_t *idlist);
736 int drm_attach(device_t kdev, drm_pci_id_list_t *idlist);
737 int drm_detach(device_t kdev);
742 d_kqfilter_t drm_kqfilter;
744 extern drm_local_map_t *drm_getsarea(struct drm_device *dev);
746 /* File operations helpers (drm_fops.c) */
747 extern int drm_open_helper(struct cdev *kdev, int flags, int fmt,
749 struct drm_device *dev);
750 extern struct drm_file *drm_find_file_by_proc(struct drm_device *dev,
753 /* Memory management support (drm_memory.c) */
754 void drm_mem_init(void);
755 void drm_mem_uninit(void);
756 void *drm_ioremap_wc(struct drm_device *dev, drm_local_map_t *map);
757 void *drm_ioremap(struct drm_device *dev, drm_local_map_t *map);
758 void drm_ioremapfree(drm_local_map_t *map);
759 int drm_mtrr_add(unsigned long offset, size_t size, int flags);
760 int drm_mtrr_del(int handle, unsigned long offset, size_t size, int flags);
762 int drm_context_switch(struct drm_device *dev, int old, int new);
763 int drm_context_switch_complete(struct drm_device *dev, int new);
765 int drm_ctxbitmap_init(struct drm_device *dev);
766 void drm_ctxbitmap_cleanup(struct drm_device *dev);
767 void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle);
768 int drm_ctxbitmap_next(struct drm_device *dev);
770 /* Locking IOCTL support (drm_lock.c) */
771 int drm_lock_take(struct drm_lock_data *lock_data,
772 unsigned int context);
773 int drm_lock_transfer(struct drm_lock_data *lock_data,
774 unsigned int context);
775 int drm_lock_free(struct drm_lock_data *lock_data,
776 unsigned int context);
778 /* Buffer management support (drm_bufs.c) */
779 unsigned long drm_get_resource_start(struct drm_device *dev,
780 unsigned int resource);
781 unsigned long drm_get_resource_len(struct drm_device *dev,
782 unsigned int resource);
783 void drm_rmmap(struct drm_device *dev, drm_local_map_t *map);
784 int drm_order(unsigned long size);
785 int drm_addmap(struct drm_device *dev, unsigned long offset,
787 enum drm_map_type type, enum drm_map_flags flags,
788 drm_local_map_t **map_ptr);
789 int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc *request);
790 int drm_addbufs_sg(struct drm_device *dev, struct drm_buf_desc *request);
791 int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc *request);
793 /* DMA support (drm_dma.c) */
794 int drm_dma_setup(struct drm_device *dev);
795 void drm_dma_takedown(struct drm_device *dev);
796 void drm_free_buffer(struct drm_device *dev, drm_buf_t *buf);
797 void drm_reclaim_buffers(struct drm_device *dev, struct drm_file *file_priv);
798 #define drm_core_reclaim_buffers drm_reclaim_buffers
800 /* IRQ support (drm_irq.c) */
801 int drm_irq_install(struct drm_device *dev);
802 int drm_irq_uninstall(struct drm_device *dev);
803 irqreturn_t drm_irq_handler(DRM_IRQ_ARGS);
804 void drm_driver_irq_preinstall(struct drm_device *dev);
805 void drm_driver_irq_postinstall(struct drm_device *dev);
806 void drm_driver_irq_uninstall(struct drm_device *dev);
807 void drm_handle_vblank(struct drm_device *dev, int crtc);
808 u32 drm_vblank_count(struct drm_device *dev, int crtc);
809 int drm_vblank_get(struct drm_device *dev, int crtc);
810 void drm_vblank_put(struct drm_device *dev, int crtc);
811 void drm_vblank_cleanup(struct drm_device *dev);
812 int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq);
813 int drm_vblank_init(struct drm_device *dev, int num_crtcs);
814 int drm_modeset_ctl(struct drm_device *dev, void *data,
815 struct drm_file *file_priv);
817 /* AGP/PCI Express/GART support (drm_agpsupport.c) */
818 int drm_device_is_agp(struct drm_device *dev);
819 int drm_device_is_pcie(struct drm_device *dev);
820 drm_agp_head_t *drm_agp_init(void);
821 int drm_agp_acquire(struct drm_device *dev);
822 int drm_agp_release(struct drm_device *dev);
823 int drm_agp_info(struct drm_device * dev, struct drm_agp_info *info);
824 int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode);
825 void *drm_agp_allocate_memory(size_t pages, u32 type);
826 int drm_agp_free_memory(void *handle);
827 int drm_agp_bind_memory(void *handle, off_t start);
828 int drm_agp_unbind_memory(void *handle);
829 int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request);
830 int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request);
831 int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request);
832 int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request);
834 /* Scatter Gather Support (drm_scatter.c) */
835 void drm_sg_cleanup(drm_sg_mem_t *entry);
836 int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request);
838 /* sysctl support (drm_sysctl.h) */
839 extern int drm_sysctl_init(struct drm_device *dev);
840 extern int drm_sysctl_cleanup(struct drm_device *dev);
842 /* ATI PCIGART support (ati_pcigart.c) */
843 int drm_ati_pcigart_init(struct drm_device *dev,
844 struct drm_ati_pcigart_info *gart_info);
845 int drm_ati_pcigart_cleanup(struct drm_device *dev,
846 struct drm_ati_pcigart_info *gart_info);
848 /* Locking IOCTL support (drm_drv.c) */
849 int drm_lock(struct drm_device *dev, void *data,
850 struct drm_file *file_priv);
851 int drm_unlock(struct drm_device *dev, void *data,
852 struct drm_file *file_priv);
853 int drm_version(struct drm_device *dev, void *data,
854 struct drm_file *file_priv);
855 int drm_setversion(struct drm_device *dev, void *data,
856 struct drm_file *file_priv);
858 /* Misc. IOCTL support (drm_ioctl.c) */
859 int drm_irq_by_busid(struct drm_device *dev, void *data,
860 struct drm_file *file_priv);
861 int drm_getunique(struct drm_device *dev, void *data,
862 struct drm_file *file_priv);
863 int drm_setunique(struct drm_device *dev, void *data,
864 struct drm_file *file_priv);
865 int drm_getmap(struct drm_device *dev, void *data,
866 struct drm_file *file_priv);
867 int drm_getclient(struct drm_device *dev, void *data,
868 struct drm_file *file_priv);
869 int drm_getstats(struct drm_device *dev, void *data,
870 struct drm_file *file_priv);
871 int drm_noop(struct drm_device *dev, void *data,
872 struct drm_file *file_priv);
874 /* Context IOCTL support (drm_context.c) */
875 int drm_resctx(struct drm_device *dev, void *data,
876 struct drm_file *file_priv);
877 int drm_addctx(struct drm_device *dev, void *data,
878 struct drm_file *file_priv);
879 int drm_modctx(struct drm_device *dev, void *data,
880 struct drm_file *file_priv);
881 int drm_getctx(struct drm_device *dev, void *data,
882 struct drm_file *file_priv);
883 int drm_switchctx(struct drm_device *dev, void *data,
884 struct drm_file *file_priv);
885 int drm_newctx(struct drm_device *dev, void *data,
886 struct drm_file *file_priv);
887 int drm_rmctx(struct drm_device *dev, void *data,
888 struct drm_file *file_priv);
889 int drm_setsareactx(struct drm_device *dev, void *data,
890 struct drm_file *file_priv);
891 int drm_getsareactx(struct drm_device *dev, void *data,
892 struct drm_file *file_priv);
894 /* Drawable IOCTL support (drm_drawable.c) */
895 int drm_adddraw(struct drm_device *dev, void *data,
896 struct drm_file *file_priv);
897 int drm_rmdraw(struct drm_device *dev, void *data,
898 struct drm_file *file_priv);
899 int drm_update_draw(struct drm_device *dev, void *data,
900 struct drm_file *file_priv);
901 struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev,
904 /* Drawable support (drm_drawable.c) */
905 void drm_drawable_free_all(struct drm_device *dev);
907 /* Authentication IOCTL support (drm_auth.c) */
908 int drm_getmagic(struct drm_device *dev, void *data,
909 struct drm_file *file_priv);
910 int drm_authmagic(struct drm_device *dev, void *data,
911 struct drm_file *file_priv);
913 /* Buffer management support (drm_bufs.c) */
914 int drm_addmap_ioctl(struct drm_device *dev, void *data,
915 struct drm_file *file_priv);
916 int drm_rmmap_ioctl(struct drm_device *dev, void *data,
917 struct drm_file *file_priv);
918 int drm_addbufs(struct drm_device *dev, void *data,
919 struct drm_file *file_priv);
920 int drm_infobufs(struct drm_device *dev, void *data,
921 struct drm_file *file_priv);
922 int drm_markbufs(struct drm_device *dev, void *data,
923 struct drm_file *file_priv);
924 int drm_freebufs(struct drm_device *dev, void *data,
925 struct drm_file *file_priv);
926 int drm_mapbufs(struct drm_device *dev, void *data,
927 struct drm_file *file_priv);
929 /* DMA support (drm_dma.c) */
930 int drm_dma(struct drm_device *dev, void *data, struct drm_file *file_priv);
932 /* IRQ support (drm_irq.c) */
933 int drm_control(struct drm_device *dev, void *data,
934 struct drm_file *file_priv);
935 int drm_wait_vblank(struct drm_device *dev, void *data,
936 struct drm_file *file_priv);
938 /* AGP/GART support (drm_agpsupport.c) */
939 int drm_agp_acquire_ioctl(struct drm_device *dev, void *data,
940 struct drm_file *file_priv);
941 int drm_agp_release_ioctl(struct drm_device *dev, void *data,
942 struct drm_file *file_priv);
943 int drm_agp_enable_ioctl(struct drm_device *dev, void *data,
944 struct drm_file *file_priv);
945 int drm_agp_info_ioctl(struct drm_device *dev, void *data,
946 struct drm_file *file_priv);
947 int drm_agp_alloc_ioctl(struct drm_device *dev, void *data,
948 struct drm_file *file_priv);
949 int drm_agp_free_ioctl(struct drm_device *dev, void *data,
950 struct drm_file *file_priv);
951 int drm_agp_unbind_ioctl(struct drm_device *dev, void *data,
952 struct drm_file *file_priv);
953 int drm_agp_bind_ioctl(struct drm_device *dev, void *data,
954 struct drm_file *file_priv);
956 /* Scatter Gather Support (drm_scatter.c) */
957 int drm_sg_alloc_ioctl(struct drm_device *dev, void *data,
958 struct drm_file *file_priv);
959 int drm_sg_free(struct drm_device *dev, void *data,
960 struct drm_file *file_priv);
962 /* consistent PCI memory functions (drm_pci.c) */
963 drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size,
964 size_t align, dma_addr_t maxaddr);
965 void drm_pci_free(struct drm_device *dev, drm_dma_handle_t *dmah);
967 /* Inline replacements for drm_alloc and friends */
968 static __inline__ void *
969 drm_alloc(size_t size, struct malloc_type *area)
971 return malloc(size, area, M_NOWAIT);
974 static __inline__ void *
975 drm_calloc(size_t nmemb, size_t size, struct malloc_type *area)
977 return malloc(size * nmemb, area, M_NOWAIT | M_ZERO);
980 static __inline__ void *
981 drm_realloc(void *oldpt, size_t oldsize, size_t size,
982 struct malloc_type *area)
984 return reallocf(oldpt, size, area, M_NOWAIT);
987 static __inline__ void
988 drm_free(void *pt, size_t size, struct malloc_type *area)
993 /* Inline replacements for DRM_IOREMAP macros */
994 static __inline__ void
995 drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev)
997 map->handle = drm_ioremap_wc(dev, map);
999 static __inline__ void
1000 drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev)
1002 map->handle = drm_ioremap(dev, map);
1004 static __inline__ void
1005 drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev)
1007 if ( map->handle && map->size )
1008 drm_ioremapfree(map);
1011 static __inline__ struct drm_local_map *
1012 drm_core_findmap(struct drm_device *dev, unsigned long offset)
1014 drm_local_map_t *map;
1016 DRM_SPINLOCK_ASSERT(&dev->dev_lock);
1017 TAILQ_FOREACH(map, &dev->maplist, link) {
1018 if (map->offset == offset)
1024 static __inline__ void drm_core_dropmap(struct drm_map *map)
1028 #endif /* __KERNEL__ */
1029 #endif /* _DRM_P_H_ */