drmP.h revision 1.10
1/* drmP.h -- Private header for Direct Rendering Manager -*- linux-c -*-
2 * Created: Mon Jan  4 10:05:05 1999 by faith@precisioninsight.com
3 */
4/*-
5 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
6 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
7 * All rights reserved.
8 *
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:
15 *
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
18 * Software.
19 *
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.
27 *
28 * Authors:
29 *    Rickard E. (Rik) Faith <faith@valinux.com>
30 *    Gareth Hughes <gareth@valinux.com>
31 *
32 */
33
34#ifndef _DRM_P_H_
35#define _DRM_P_H_
36
37#if defined(_KERNEL) || defined(__KERNEL__)
38
39typedef struct drm_device drm_device_t;
40typedef struct drm_file drm_file_t;
41
42#if defined(__NetBSD__) && defined(_KERNEL_OPT)
43#include "opt_drm.h"
44#endif
45
46#include <sys/param.h>
47#include <sys/queue.h>
48#include <sys/malloc.h>
49#include <sys/kernel.h>
50#ifndef __OpenBSD__
51#include <sys/module.h>
52#endif
53#include <sys/systm.h>
54#include <sys/conf.h>
55#include <sys/stat.h>
56#if __FreeBSD_version >= 700000
57#include <sys/priv.h>
58#endif
59#include <sys/proc.h>
60#include <sys/lock.h>
61#include <sys/fcntl.h>
62#include <sys/uio.h>
63#include <sys/filio.h>
64#include <sys/sysctl.h>
65#include <sys/poll.h>
66#include <sys/tree.h>
67#include <sys/bus.h>
68#include <sys/signalvar.h>
69#ifdef __FreeBSD__
70#include <sys/taskqueue.h>
71#include <vm/vm.h>
72#include <vm/pmap.h>
73#include <vm/vm_extern.h>
74#include <vm/vm_map.h>
75#include <vm/vm_param.h>
76#include <machine/resource.h>
77#include <machine/param.h>
78#endif
79#include <machine/pmap.h>
80#include <machine/bus.h>
81#if !defined(DRM_NO_MTRR)
82#include <machine/sysarch.h>
83#endif
84#include <sys/endian.h>
85#include <sys/mman.h>
86#if defined(__FreeBSD__)
87#include <sys/rman.h>
88#include <sys/memrange.h>
89#if __FreeBSD_version >= 800004
90#include <dev/agp/agpvar.h>
91#else /* __FreeBSD_version >= 800004 */
92#include <pci/agpvar.h>
93#endif /* __FreeBSD_version >= 800004 */
94#include <sys/agpio.h>
95#if __FreeBSD_version >= 500000
96#include <sys/mutex.h>
97#include <dev/pci/pcivar.h>
98#include <sys/selinfo.h>
99#else /* __FreeBSD_version >= 500000 */
100#include <pci/pcivar.h>
101#include <sys/select.h>
102#endif /* __FreeBSD_version < 500000 */
103#elif defined(__NetBSD__)
104#ifndef DRM_NO_MTRR
105#include <machine/mtrr.h>
106#endif
107#include <sys/vnode.h>
108#include <sys/select.h>
109#include <sys/device.h>
110#include <sys/resourcevar.h>
111#include <sys/agpio.h>
112#include <sys/ttycom.h>
113#include <sys/mman.h>
114#include <sys/kauth.h>
115#include <sys/types.h>
116#include <sys/file.h>
117#include <sys/atomic.h>
118#include <sys/workqueue.h>
119#include <uvm/uvm.h>
120#include <dev/pci/pcireg.h>
121#include <dev/pci/pcivar.h>
122#include <dev/pci/agpvar.h>
123#elif defined(__OpenBSD__)
124#include <sys/lkm.h>
125#include <uvm/uvm.h>
126#endif
127
128#include "drm.h"
129#include "drm_linux_list.h"
130#include "drm_atomic.h"
131#include "drm_internal.h"
132
133#ifdef __FreeBSD__
134#include <opt_drm.h>
135#endif
136
137#ifdef DRM_DEBUG
138#undef DRM_DEBUG
139#define DRM_DEBUG_DEFAULT_ON 1
140#endif /* DRM_DEBUG */
141
142#ifdef __FreeBSD__
143#define DRM_KASSERT(x,y)	KASSERT(x,y)
144#else
145#define DRM_KASSERT(x,y)	KASSERT(x)
146#define device_get_softc(x)	device_private(x)
147#define callout_deactivate(x)	callout_stop(x)
148#define callout_drain(x)	callout_stop(x)
149#endif
150
151#if defined(DRM_LINUX) && DRM_LINUX && !defined(__amd64__)
152#include <sys/file.h>
153#include <sys/proc.h>
154#include <machine/../linux/linux.h>
155#include <machine/../linux/linux_proto.h>
156#else
157/* Either it was defined when it shouldn't be (FreeBSD amd64) or it isn't
158 * supported on this OS yet.
159 */
160#undef DRM_LINUX
161#define DRM_LINUX 0
162#endif
163
164#define DRM_HASH_SIZE	      16 /* Size of key hash table		  */
165#define DRM_KERNEL_CONTEXT    0	 /* Change drm_resctx if changed	  */
166#define DRM_RESERVED_CONTEXTS 1	 /* Change drm_resctx if changed	  */
167
168#define DRM_MEM_DMA	   0
169#define DRM_MEM_SAREA	   1
170#define DRM_MEM_DRIVER	   2
171#define DRM_MEM_MAGIC	   3
172#define DRM_MEM_IOCTLS	   4
173#define DRM_MEM_MAPS	   5
174#define DRM_MEM_BUFS	   6
175#define DRM_MEM_SEGS	   7
176#define DRM_MEM_PAGES	   8
177#define DRM_MEM_FILES	  9
178#define DRM_MEM_QUEUES	  10
179#define DRM_MEM_CMDS	  11
180#define DRM_MEM_MAPPINGS  12
181#define DRM_MEM_BUFLISTS  13
182#define DRM_MEM_AGPLISTS  14
183#define DRM_MEM_TOTALAGP  15
184#define DRM_MEM_BOUNDAGP  16
185#define DRM_MEM_CTXBITMAP 17
186#define DRM_MEM_STUB	  18
187#define DRM_MEM_SGLISTS	  19
188#define DRM_MEM_DRAWABLE  20
189
190#define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8)
191
192				/* Internal types and structures */
193#define DRM_ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))
194#define DRM_MIN(a,b) ((a)<(b)?(a):(b))
195#define DRM_MAX(a,b) ((a)>(b)?(a):(b))
196
197#define DRM_IF_VERSION(maj, min) (maj << 16 | min)
198
199MALLOC_DECLARE(M_DRM);
200
201#define __OS_HAS_AGP	1
202
203#define DRM_DEV_MODE	(S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP)
204#define DRM_DEV_UID	0
205#define DRM_DEV_GID	0
206
207#define wait_queue_head_t	atomic_t
208#define DRM_WAKEUP(w)		wakeup((void *)w)
209#define DRM_WAKEUP_INT(w)	wakeup(w)
210#define DRM_INIT_WAITQUEUE(queue) do {(void)(queue);} while (0)
211
212#if defined(__FreeBSD__) && __FreeBSD_version < 502109
213#define bus_alloc_resource_any(dev, type, rid, flags) \
214	bus_alloc_resource(dev, type, rid, 0ul, ~0ul, 1, flags)
215#endif
216
217#if defined(__FreeBSD__) && __FreeBSD_version >= 500000
218#define DRM_CDEV		struct cdev *
219#define DRM_CURPROC		curthread
220#define DRM_STRUCTPROC		struct thread
221#define DRM_STRUCTCDEVPROC	struct thread
222#define DRM_CDEVPROC_REAL(p)	(p)
223#define DRM_IOCTL_DATA		caddr_t
224#define DRM_SPINTYPE		struct mtx
225#define DRM_SPININIT(l,name)	mtx_init(l, name, NULL, MTX_DEF)
226#define DRM_SPINUNINIT(l)	mtx_destroy(l)
227#define DRM_SPINLOCK(l)		mtx_lock(l)
228#define DRM_SPINUNLOCK(u)	mtx_unlock(u)
229#define DRM_SPINLOCK_IRQSAVE(l, irqflags) do {		\
230	mtx_lock(l);					\
231	(void)irqflags;					\
232} while (0)
233#define DRM_SPINUNLOCK_IRQRESTORE(u, irqflags) mtx_unlock(u)
234#define DRM_SPINLOCK_ASSERT(l)	mtx_assert(l, MA_OWNED)
235#define DRM_CURRENTPID		curthread->td_proc->p_pid
236#define DRM_LOCK()		mtx_lock(&dev->dev_lock)
237#define DRM_UNLOCK() 		mtx_unlock(&dev->dev_lock)
238#define DRM_SYSCTL_HANDLER_ARGS	(SYSCTL_HANDLER_ARGS)
239#else /* __FreeBSD__ && __FreeBSD_version >= 500000 */
240#ifdef __NetBSD__
241#define DRM_CDEV		dev_t
242#define DRM_CURPROC		curproc
243#define DRM_STRUCTPROC		struct proc
244#define DRM_STRUCTCDEVPROC	struct lwp
245#define DRM_CDEVPROC_REAL(l)	(l)->l_proc
246#define DRM_IOCTL_DATA		void *
247#define DRM_SPINTYPE		kmutex_t
248#define DRM_SPININIT(l,name)	mutex_init(l, MUTEX_DEFAULT, /*IPL_NONE*/ IPL_VM)
249#define DRM_SPINUNINIT(l)	mutex_destroy(l)
250#define DRM_SPINLOCK(l)		mutex_enter(l)
251#define DRM_SPINUNLOCK(u)	mutex_exit(u)
252#define DRM_SPINLOCK_ASSERT(l)	mutex_owned(l)
253#define DRM_LOCK()		DRM_SPINLOCK(&dev->dev_lock)
254#define DRM_UNLOCK() 		DRM_SPINUNLOCK(&dev->dev_lock)
255#define DRM_CURRENTPID		curproc->p_pid
256#define DRM_SYSCTL_HANDLER_ARGS	(SYSCTLFN_ARGS)
257#define DRM_SPINLOCK_IRQSAVE(l, irqflags) do {		\
258	mutex_enter(l);					\
259	(void)irqflags;					\
260} while (0)
261#define DRM_SPINUNLOCK_IRQRESTORE(u, irqflags) mutex_exit(u)
262#else /* __NetBSD__ */
263#define DRM_CURPROC		curproc
264#define DRM_STRUCTPROC		struct proc
265#define DRM_SPINTYPE		struct simplelock
266#define DRM_SPININIT(l,name)
267#define DRM_SPINUNINIT(l)
268#define DRM_SPINLOCK(l)
269#define DRM_SPINUNLOCK(u)
270#define DRM_SPINLOCK_ASSERT(l)
271#define DRM_CURRENTPID		curproc->p_pid
272#define DRM_LOCK()
273#define DRM_UNLOCK()
274#define DRM_SYSCTL_HANDLER_ARGS	SYSCTL_HANDLER_ARGS
275#define spldrm()		spltty()
276#endif /* __OpenBSD__ */
277#endif
278
279#define DRM_IRQ_ARGS		void *arg
280#ifdef __FreeBSD__
281typedef void			irqreturn_t;
282#define IRQ_HANDLED		/* nothing */
283#define IRQ_NONE		/* nothing */
284#elif defined(__NetBSD__)
285typedef int			irqreturn_t;
286#define IRQ_HANDLED		1
287#define IRQ_NONE		0
288#endif
289
290enum {
291	DRM_IS_NOT_AGP,
292	DRM_IS_AGP,
293	DRM_MIGHT_BE_AGP
294};
295#define DRM_AGP_MEM		struct agp_memory_info
296
297#if defined(__FreeBSD__)
298#define drm_get_device_from_kdev(_kdev) (_kdev->si_drv1)
299#elif defined(__NetBSD__)
300#define drm_get_device_from_kdev(_kdev) (minor(_kdev) < DRM_MAXUNITS) ? \
301	drm_units[minor(_kdev)] : NULL
302#elif defined(__OpenBSD__)
303#define drm_get_device_from_kdev(_kdev) device_lookup(&drm_cd, \
304    minor(_kdev)))->dv_cfdata->cf_driver->cd_devs[minor(_kdev)]
305#endif
306
307#if defined(__FreeBSD__)
308#define PAGE_ALIGN(addr) round_page(addr)
309/* DRM_SUSER returns true if the user is superuser */
310#if __FreeBSD_version >= 700000
311#define DRM_SUSER(p)		(priv_check(p, PRIV_DRIVER) == 0)
312#else
313#define DRM_SUSER(p)		(suser(p) == 0)
314#endif
315#define DRM_AGP_FIND_DEVICE()	agp_find_device()
316#define DRM_MTRR_WC		MDF_WRITECOMBINE
317#define jiffies			ticks
318
319#else /* __FreeBSD__ */
320
321#define CDEV_MAJOR		34
322#define PAGE_ALIGN(addr)	ALIGN(addr)
323/* DRM_SUSER returns true if the user is superuser */
324#if defined(__NetBSD__)
325#define DRM_SUSER(p)		(kauth_cred_getsvuid((p)->p_cred) == 0)
326#define DRM_MAXUNITS 128
327extern drm_device_t *drm_units[];
328#define DRM_MTRR_WC		MTRR_TYPE_WC
329#define jiffies			hardclock_ticks
330#ifdef __x86_64__
331#define DRM_NETBSD_ADDR2HANDLE(addr)	((addr)   & 0x7fffffffffffffff)
332#define DRM_NETBSD_HANDLE2ADDR(handle)	((handle) | 0x8000000000000000)
333#define DRM_HANDLE_NEEDS_MASK(type)	((type) == _DRM_SHM || (type) == _DRM_SCATTER_GATHER)
334#else
335#define DRM_NETBSD_ADDR2HANDLE(addr)	(addr)
336#define DRM_NETBSD_HANDLE2ADDR(handle)	(handle)
337#define DRM_HANDLE_NEEDS_MASK(type)	0
338#endif
339#elif defined(__OpenBSD__)
340#define DRM_SUSER(p)		(suser(p->p_ucred, &p->p_acflag) == 0)
341#define DRM_MTRR_WC		MTRR_TYPE_WC
342#define jiffies			ticks
343#endif
344
345#ifdef DRM_NO_AGP
346#define DRM_AGP_FIND_DEVICE() 0
347#else
348#define DRM_AGP_FIND_DEVICE()	agp_find_device(0)
349#endif
350
351#if !defined(__NetBSD__)
352typedef struct drm_device *device_t;
353#endif
354
355extern struct cfdriver drm_cd;
356
357#endif /* !__FreeBSD__ */
358
359/* Capabilities taken from src/sys/dev/pci/pcireg.h. */
360#ifndef PCIY_AGP
361#define PCIY_AGP	0x02
362#endif
363
364#ifndef PCIY_EXPRESS
365#define PCIY_EXPRESS	0x10
366#endif
367
368typedef unsigned long dma_addr_t;
369typedef u_int64_t u64;
370typedef u_int32_t u32;
371typedef u_int16_t u16;
372typedef u_int8_t u8;
373
374/* DRM_READMEMORYBARRIER() prevents reordering of reads.
375 * DRM_WRITEMEMORYBARRIER() prevents reordering of writes.
376 * DRM_MEMORYBARRIER() prevents reordering of reads and writes.
377 */
378
379/* XXX  TODO: change to bus_space_barrier(9), as certain architectures
380	might need them--not to mention that MD cruft is ugly.  I just
381	didn't feel like writing the macros right now.  The use of mb(9)
382	below should be enough for x86, perhaps others. */
383
384#if defined(__NetBSD__)
385#define DRM_READMEMORYBARRIER()		membar_consumer()
386#define DRM_WRITEMEMORYBARRIER()	membar_producer()
387#define DRM_MEMORYBARRIER()		membar_sync()
388#elif defined(__i386__)
389#define DRM_READMEMORYBARRIER()		__asm __volatile( \
390					"lock; addl $0,0(%%esp)" : : : "memory");
391#define DRM_WRITEMEMORYBARRIER()	__asm __volatile("" : : : "memory");
392#define DRM_MEMORYBARRIER()		__asm __volatile( \
393					"lock; addl $0,0(%%esp)" : : : "memory");
394#elif defined(__alpha__)
395#define DRM_READMEMORYBARRIER()		alpha_mb();
396#define DRM_WRITEMEMORYBARRIER()	alpha_wmb();
397#define DRM_MEMORYBARRIER()		alpha_mb();
398#elif defined(__amd64__)
399#define DRM_READMEMORYBARRIER()		__asm __volatile( \
400					"lock; addl $0,0(%%rsp)" : : : "memory");
401#define DRM_WRITEMEMORYBARRIER()	__asm __volatile("" : : : "memory");
402#define DRM_MEMORYBARRIER()		__asm __volatile( \
403					"lock; addl $0,0(%%rsp)" : : : "memory");
404#endif
405
406#ifdef __FreeBSD__
407#define DRM_READ8(map, offset)						\
408	*(volatile u_int8_t *) (((unsigned long)(map)->handle) + (offset))
409#define DRM_READ16(map, offset)						\
410	*(volatile u_int16_t *) (((unsigned long)(map)->handle) + (offset))
411#define DRM_READ32(map, offset)						\
412	*(volatile u_int32_t *)(((unsigned long)(map)->handle) + (offset))
413#define DRM_WRITE8(map, offset, val)					\
414	*(volatile u_int8_t *) (((unsigned long)(map)->handle) + (offset)) = val
415#define DRM_WRITE16(map, offset, val)					\
416	*(volatile u_int16_t *) (((unsigned long)(map)->handle) + (offset)) = val
417#define DRM_WRITE32(map, offset, val)					\
418	*(volatile u_int32_t *)(((unsigned long)(map)->handle) + (offset)) = val
419
420#define DRM_VERIFYAREA_READ( uaddr, size )		\
421	(!useracc(__DECONST(caddr_t, uaddr), size, VM_PROT_READ))
422
423#else /* __FreeBSD__ */
424
425typedef vaddr_t vm_offset_t;
426
427#define DRM_READ8(map, offset)		\
428	bus_space_read_1( (map)->bst, (map)->bsh, (offset))
429#define DRM_READ16(map, offset)		\
430	bus_space_read_2( (map)->bst, (map)->bsh, (offset))
431#define DRM_READ32(map, offset)		\
432	bus_space_read_4( (map)->bst, (map)->bsh, (offset))
433#define DRM_WRITE8(map, offset, val)	\
434	bus_space_write_1((map)->bst, (map)->bsh, (offset), (val))
435#define DRM_WRITE16(map, offset, val)	\
436	bus_space_write_2((map)->bst, (map)->bsh, (offset), (val))
437#define DRM_WRITE32(map, offset, val)	\
438	bus_space_write_4((map)->bst, (map)->bsh, (offset), (val))
439
440#define DRM_VERIFYAREA_READ( uaddr, size )		\
441	(!uvm_map_checkprot(&(curproc->p_vmspace->vm_map),              \
442		(vaddr_t)uaddr, (vaddr_t)uaddr+size, UVM_PROT_READ))
443#endif /* !__FreeBSD__ */
444
445#define DRM_COPY_TO_USER(user, kern, size) \
446	copyout(kern, user, size)
447#define DRM_COPY_FROM_USER(kern, user, size) \
448	copyin(user, kern, size)
449#define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) 	\
450	copyin(arg2, arg1, arg3)
451#define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3)	\
452	copyout(arg2, arg1, arg3)
453#if __FreeBSD_version > 500000
454#define DRM_GET_USER_UNCHECKED(val, uaddr)		\
455	((val) = fuword32(uaddr), 0)
456#else
457#define DRM_GET_USER_UNCHECKED(val, uaddr)		\
458	((val) = fuword(uaddr), 0)
459#endif
460
461#define cpu_to_le32(x) htole32(x)
462#define le32_to_cpu(x) le32toh(x)
463
464#define DRM_HZ			hz
465#define DRM_UDELAY(udelay)	DELAY(udelay)
466#define DRM_TIME_SLICE		(hz/20)  /* Time slice for GLXContexts	  */
467
468#define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do {	\
469	(_map) = (_dev)->context_sareas[_ctx];		\
470} while(0)
471
472#define LOCK_TEST_WITH_RETURN(dev, file_priv)				\
473do {									\
474	if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) ||		\
475	     dev->lock.file_priv != file_priv) {			\
476		DRM_ERROR("%s called without lock held\n",		\
477			   __FUNCTION__);				\
478		return EINVAL;						\
479	}								\
480} while (0)
481
482#if defined(__FreeBSD__) && __FreeBSD_version > 500000
483/* Returns -errno to shared code */
484#define DRM_WAIT_ON( ret, queue, timeout, condition )		\
485for ( ret = 0 ; !ret && !(condition) ; ) {			\
486	DRM_UNLOCK();						\
487	mtx_lock(&dev->irq_lock);				\
488	if (!(condition))					\
489	   ret = -mtx_sleep(&(queue), &dev->irq_lock, 		\
490			 PZERO | PCATCH, "drmwtq", (timeout));	\
491	mtx_unlock(&dev->irq_lock);				\
492	DRM_LOCK();						\
493}
494#elif defined(__NetBSD__)
495/* Returns -errno to shared code */
496#define DRM_WAIT_ON( ret, queue, timeout, condition )		\
497for ( ret = 0 ; !ret && !(condition) ; ) {			\
498	DRM_UNLOCK();						\
499	mutex_enter(&dev->irq_lock);				\
500	if (!(condition))					\
501	   ret = -mtsleep(&(queue), PZERO | PCATCH, 		\
502			 "drmwtq", (timeout), &dev->irq_lock);	\
503	mutex_exit(&dev->irq_lock);				\
504	DRM_LOCK();						\
505}
506#else
507/* Returns -errno to shared code */
508#define DRM_WAIT_ON( ret, queue, timeout, condition )	\
509for ( ret = 0 ; !ret && !(condition) ; ) {		\
510        int s = spldrm();				\
511	if (!(condition))				\
512	   ret = -tsleep( &(queue), PZERO | PCATCH, 	\
513			 "drmwtq", (timeout) );		\
514	splx(s);					\
515}
516#endif
517
518#define DRM_ERROR(fmt, arg...) \
519	printf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt,		\
520	    DRM_CURRENTPID, __func__ , ## arg)
521
522#define DRM_INFO(fmt, arg...)  printf("info: [" DRM_NAME "] " fmt , ## arg)
523
524#define DRM_DEBUG(fmt, arg...) do {					\
525	if (drm_debug_flag)						\
526		printf("[" DRM_NAME ":pid%d:%s] " fmt, DRM_CURRENTPID,	\
527			__func__ , ## arg);				\
528} while (0)
529
530typedef struct drm_pci_id_list
531{
532	int vendor;
533	int device;
534	long driver_private;
535	const char *name;
536} drm_pci_id_list_t;
537
538#define DRM_AUTH	0x1
539#define DRM_MASTER	0x2
540#define DRM_ROOT_ONLY	0x4
541typedef struct drm_ioctl_desc {
542	unsigned long cmd;
543	int (*func)(struct drm_device *dev, void *data,
544		    struct drm_file *file_priv);
545	int flags;
546} drm_ioctl_desc_t;
547/**
548 * Creates a driver or general drm_ioctl_desc array entry for the given
549 * ioctl, for use by drm_ioctl().
550 */
551#define DRM_IOCTL_DEF(ioctl, func, flags) \
552	[DRM_IOCTL_NR(ioctl)] = {ioctl, func, flags}
553
554typedef struct drm_magic_entry {
555	drm_magic_t	       magic;
556	struct drm_file	       *priv;
557	struct drm_magic_entry *next;
558} drm_magic_entry_t;
559
560typedef struct drm_magic_head {
561	struct drm_magic_entry *head;
562	struct drm_magic_entry *tail;
563} drm_magic_head_t;
564
565typedef struct drm_buf {
566	int		  idx;	       /* Index into master buflist	     */
567	int		  total;       /* Buffer size			     */
568	int		  order;       /* log-base-2(total)		     */
569	int		  used;	       /* Amount of buffer in use (for DMA)  */
570	unsigned long	  offset;      /* Byte offset (used internally)	     */
571	void		  *address;    /* Address of buffer		     */
572	unsigned long	  bus_address; /* Bus address of buffer		     */
573	struct drm_buf	  *next;       /* Kernel-only: used for free list    */
574	__volatile__ int  pending;     /* On hardware DMA queue		     */
575	struct drm_file   *file_priv;  /* Unique identifier of holding process */
576	int		  context;     /* Kernel queue for this buffer	     */
577	enum {
578		DRM_LIST_NONE	 = 0,
579		DRM_LIST_FREE	 = 1,
580		DRM_LIST_WAIT	 = 2,
581		DRM_LIST_PEND	 = 3,
582		DRM_LIST_PRIO	 = 4,
583		DRM_LIST_RECLAIM = 5
584	}		  list;	       /* Which list we're on		     */
585
586	int		  dev_priv_size; /* Size of buffer private stoarge   */
587	void		  *dev_private;  /* Per-buffer private storage       */
588} drm_buf_t;
589
590typedef struct drm_freelist {
591	int		  initialized; /* Freelist in use		   */
592	atomic_t	  count;       /* Number of free buffers	   */
593	drm_buf_t	  *next;       /* End pointer			   */
594
595	int		  low_mark;    /* Low water mark		   */
596	int		  high_mark;   /* High water mark		   */
597} drm_freelist_t;
598
599typedef struct drm_dma_handle {
600	void *vaddr;
601	bus_addr_t busaddr;
602	bus_dma_tag_t tag;
603	bus_dmamap_t map;
604#if defined(__NetBSD__)
605	bus_dma_segment_t segs[1];
606	size_t size;
607#endif
608} drm_dma_handle_t;
609
610typedef struct drm_buf_entry {
611	int		  buf_size;
612	int		  buf_count;
613	drm_buf_t	  *buflist;
614	int		  seg_count;
615	drm_dma_handle_t  **seglist;
616	int		  page_order;
617
618	drm_freelist_t	  freelist;
619} drm_buf_entry_t;
620
621typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t;
622struct drm_file {
623	TAILQ_ENTRY(drm_file) link;
624	int		  authenticated;
625	int		  master;
626	int		  minor;
627	pid_t		  pid;
628	uid_t		  uid;
629	int		  refs;
630	drm_magic_t	  magic;
631	unsigned long	  ioctl_count;
632	void		 *driver_priv;
633};
634
635typedef struct drm_lock_data {
636	drm_hw_lock_t	  *hw_lock;	/* Hardware lock		   */
637	struct drm_file   *file_priv;   /* Unique identifier of holding process (NULL is kernel)*/
638	int		  lock_queue;	/* Queue of blocked processes	   */
639	unsigned long	  lock_time;	/* Time of last lock in jiffies	   */
640} drm_lock_data_t;
641
642/* This structure, in the struct drm_device, is always initialized while the
643 * device
644 * is open.  dev->dma_lock protects the incrementing of dev->buf_use, which
645 * when set marks that no further bufs may be allocated until device teardown
646 * occurs (when the last open of the device has closed).  The high/low
647 * watermarks of bufs are only touched by the X Server, and thus not
648 * concurrently accessed, so no locking is needed.
649 */
650typedef struct drm_device_dma {
651	drm_buf_entry_t	  bufs[DRM_MAX_ORDER+1];
652	int		  buf_count;
653	drm_buf_t	  **buflist;	/* Vector of pointers info bufs	   */
654	int		  seg_count;
655	int		  page_count;
656	unsigned long	  *pagelist;
657	unsigned long	  byte_count;
658	enum {
659		_DRM_DMA_USE_AGP = 0x01,
660		_DRM_DMA_USE_SG  = 0x02
661	} flags;
662} drm_device_dma_t;
663
664typedef struct drm_agp_mem {
665	void               *handle;
666	unsigned long      bound; /* address */
667	int                pages;
668	struct drm_agp_mem *prev;
669	struct drm_agp_mem *next;
670} drm_agp_mem_t;
671
672typedef struct drm_agp_head {
673#ifdef __NetBSD__
674	void		   *agpdev;
675#else
676	device_t	   agpdev;
677#endif
678	struct agp_info    info;
679	const char         *chipset;
680	drm_agp_mem_t      *memory;
681	unsigned long      mode;
682	int                enabled;
683	int                acquired;
684	unsigned long      base;
685   	int 		   mtrr;
686	int		   cant_use_aperture;
687	unsigned long	   page_mask;
688} drm_agp_head_t;
689
690typedef struct drm_sg_mem {
691	unsigned long   handle;
692	void            *virtual;
693	int             pages;
694	dma_addr_t	*busaddr;
695	drm_dma_handle_t *dmah;	/* Handle to PCI memory for ATI PCIGART table */
696} drm_sg_mem_t;
697
698typedef TAILQ_HEAD(drm_map_list, drm_local_map) drm_map_list_t;
699
700typedef struct drm_local_map {
701	unsigned long	offset;	 /* Physical address (0 for SAREA)*/
702	unsigned long	size;	 /* Physical size (bytes)	    */
703	drm_map_type_t	type;	 /* Type of memory mapped		    */
704	drm_map_flags_t flags;	 /* Flags				    */
705	void		*handle; /* User-space: "Handle" to pass to mmap    */
706				 /* Kernel-space: kernel-virtual address    */
707	int		mtrr;	 /* Boolean: MTRR used */
708				 /* Private data			    */
709	int		rid;	 /* PCI resource ID for bus_space */
710#ifdef __FreeBSD__
711	struct resource *bsr;
712#endif
713	bus_space_tag_t bst;
714	bus_space_handle_t bsh;
715	drm_dma_handle_t *dmah;
716#ifdef __NetBSD__
717	int		*cnt;
718	bus_size_t	mapsize;
719#endif
720	TAILQ_ENTRY(drm_local_map) link;
721} drm_local_map_t;
722
723TAILQ_HEAD(drm_vbl_sig_list, drm_vbl_sig);
724typedef struct drm_vbl_sig {
725	TAILQ_ENTRY(drm_vbl_sig) link;
726	unsigned int	sequence;
727	int		signo;
728	int		pid;
729} drm_vbl_sig_t;
730
731/* location of GART table */
732#define DRM_ATI_GART_MAIN 1
733#define DRM_ATI_GART_FB   2
734
735#define DRM_ATI_GART_PCI  1
736#define DRM_ATI_GART_PCIE 2
737#define DRM_ATI_GART_IGP  3
738
739struct drm_ati_pcigart_info {
740	int gart_table_location;
741	int gart_reg_if;
742	void *addr;
743	dma_addr_t bus_addr;
744	dma_addr_t table_mask;
745	dma_addr_t member_mask;
746	struct drm_dma_handle *table_handle;
747	drm_local_map_t mapping;
748	int table_size;
749};
750
751#ifndef DMA_BIT_MASK
752#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : (1ULL<<(n)) - 1)
753#endif
754
755#define upper_32_bits(n) ((u32)(((n) >> 16) >> 16))
756
757struct drm_driver_info {
758	int	(*load)(struct drm_device *, unsigned long flags);
759	int	(*firstopen)(struct drm_device *);
760	int	(*open)(struct drm_device *, drm_file_t *);
761	void	(*preclose)(struct drm_device *, struct drm_file *file_priv);
762	void	(*postclose)(struct drm_device *, drm_file_t *);
763	void	(*lastclose)(struct drm_device *);
764	int	(*unload)(struct drm_device *);
765	void	(*reclaim_buffers_locked)(struct drm_device *,
766					  struct drm_file *file_priv);
767	int	(*dma_ioctl)(struct drm_device *dev, void *data,
768			     struct drm_file *file_priv);
769	void	(*dma_ready)(struct drm_device *);
770	int	(*dma_quiescent)(struct drm_device *);
771	int	(*dma_flush_block_and_flush)(struct drm_device *, int context,
772					     drm_lock_flags_t flags);
773	int	(*dma_flush_unblock)(struct drm_device *, int context,
774				     drm_lock_flags_t flags);
775	int	(*context_ctor)(struct drm_device *dev, int context);
776	int	(*context_dtor)(struct drm_device *dev, int context);
777	int	(*kernel_context_switch)(struct drm_device *dev, int old,
778					 int new);
779	int	(*kernel_context_switch_unlock)(struct drm_device *dev);
780	void	(*irq_preinstall)(struct drm_device *dev);
781	int	(*irq_postinstall)(struct drm_device *dev);
782	void	(*irq_uninstall)(struct drm_device *dev);
783	irqreturn_t (*irq_handler)(DRM_IRQ_ARGS);
784	u32	(*get_vblank_counter)(struct drm_device *dev, int crtc);
785	int	(*enable_vblank)(struct drm_device *dev, int crtc);
786	void	(*disable_vblank)(struct drm_device *dev, int crtc);
787
788	drm_pci_id_list_t *id_entry;	/* PCI ID, name, and chipset private */
789
790	/**
791	 * Called by \c drm_device_is_agp.  Typically used to determine if a
792	 * card is really attached to AGP or not.
793	 *
794	 * \param dev  DRM device handle
795	 *
796	 * \returns
797	 * One of three values is returned depending on whether or not the
798	 * card is absolutely \b not AGP (return of 0), absolutely \b is AGP
799	 * (return of 1), or may or may not be AGP (return of 2).
800	 */
801	int	(*device_is_agp) (struct drm_device * dev);
802
803	drm_ioctl_desc_t *ioctls;
804	int	max_ioctl;
805
806	int	buf_priv_size;
807
808	int	major;
809	int	minor;
810	int	patchlevel;
811	const char *name;		/* Simple driver name		   */
812	const char *desc;		/* Longer driver name		   */
813	const char *date;		/* Date of last major changes.	   */
814
815	unsigned use_agp :1;
816	unsigned require_agp :1;
817	unsigned use_sg :1;
818	unsigned use_dma :1;
819	unsigned use_pci_dma :1;
820	unsigned use_dma_queue :1;
821	unsigned use_irq :1;
822	unsigned use_vbl_irq :1;
823	unsigned use_vbl_irq2 :1;
824	unsigned use_mtrr :1;
825};
826
827/* Length for the array of resource pointers for drm_get_resource_*. */
828#define DRM_MAX_PCI_RESOURCE	3
829
830#if defined(__NetBSD__) || defined(__OpenBSD__)
831typedef struct {
832	int			mapped;
833	int			maptype;
834	bus_addr_t		base;
835	bus_size_t		size;
836	bus_space_handle_t	bsh;
837	int			flags;
838	void *			vaddr;
839} pci_map_data_t;
840#endif
841
842/**
843 * DRM device functions structure
844 */
845struct drm_device {
846#if defined(__NetBSD__)
847	struct device	  *device;
848#elif defined(__OpenBSD__)
849	struct device	  device; /* softc is an extension of struct device */
850#endif
851
852	struct drm_driver_info driver;
853	drm_pci_id_list_t *id_entry;	/* PCI ID, name, and chipset private */
854
855	u_int16_t pci_device;		/* PCI device id */
856	u_int16_t pci_vendor;		/* PCI vendor id */
857
858	char		  *unique;	/* Unique identifier: e.g., busid  */
859	int		  unique_len;	/* Length of unique field	   */
860#ifdef __FreeBSD__
861	device_t	  device;	/* Device instance from newbus     */
862	struct cdev	  *devnode;	/* Device number for mknod	   */
863#endif
864	int		  if_version;	/* Highest interface version set */
865
866	int		  flags;	/* Flags to open(2)		   */
867
868				/* Locks */
869#if defined(__FreeBSD__) && __FreeBSD_version > 500000
870	struct mtx	  vbl_lock;	/* protects vblank operations */
871	struct mtx	  dma_lock;	/* protects dev->dma */
872	struct mtx	  irq_lock;	/* protects irq condition checks */
873	struct mtx	  dev_lock;	/* protects everything else */
874#elif defined(__NetBSD__)
875	DRM_SPINTYPE	  vbl_lock;	/* protects vblank operations */
876	DRM_SPINTYPE	  dma_lock;	/* protects dev->dma */
877	DRM_SPINTYPE	  irq_lock;	/* protects irq condition checks */
878	DRM_SPINTYPE      dev_lock;	/* protects everything else */
879#endif
880	DRM_SPINTYPE	  drw_lock;
881	DRM_SPINTYPE	  tsk_lock;
882
883				/* Usage Counters */
884	int		  open_count;	/* Outstanding files open	   */
885	int		  buf_use;	/* Buffers in use -- cannot alloc  */
886
887				/* Performance counters */
888	unsigned long     counters;
889	drm_stat_type_t   types[15];
890	atomic_t          counts[15];
891
892				/* Authentication */
893	drm_file_list_t   files;
894	drm_magic_head_t  magiclist[DRM_HASH_SIZE];
895
896	/* Linked list of mappable regions. Protected by dev_lock */
897	drm_map_list_t	  maplist;
898
899	drm_local_map_t	  **context_sareas;
900	int		  max_context;
901
902	drm_lock_data_t	  lock;		/* Information on hardware lock	   */
903
904				/* DMA queues (contexts) */
905	drm_device_dma_t  *dma;		/* Optional pointer for DMA support */
906
907				/* Context support */
908	int		  irq;		/* Interrupt used by board	   */
909	int		  irq_enabled;	/* True if the irq handler is enabled */
910#ifdef __FreeBSD__
911	int		  irqrid;	/* Interrupt used by board */
912	struct resource   *irqr;	/* Resource for interrupt used by board	   */
913
914	/* Storage of resource pointers for drm_get_resource_* */
915	struct resource   *pcir[DRM_MAX_PCI_RESOURCE];
916	int		  pcirid[DRM_MAX_PCI_RESOURCE];
917
918#elif defined(__NetBSD__) || defined(__OpenBSD__)
919	struct pci_attach_args  pa;
920	pci_map_data_t	  pci_map_data[DRM_MAX_PCI_RESOURCE];
921	pci_map_data_t	  agp_map_data[DRM_MAX_PCI_RESOURCE];
922	int		  unit;		/* drm unit number */
923	DRM_CDEV	  kdev;
924#endif
925	void		  *irqh;	/* Handle from bus_setup_intr      */
926
927	int		  pci_domain;
928	int		  pci_bus;
929	int		  pci_slot;
930	int		  pci_func;
931
932	atomic_t	  context_flag;	/* Context swapping flag	   */
933	int		  last_context;	/* Last current context		   */
934	int		  vblank_disable_allowed;
935	wait_queue_head_t *vbl_queue;	/* vblank wait queue */
936	atomic_t	  *_vblank_count;	/* number of VBLANK interrupts */
937						/* (driver must alloc the right number of counters) */
938	struct drm_vbl_sig_list *vbl_sigs;	/* signal list to send on VBLANK */
939	atomic_t 	  vbl_signal_pending;	/* number of signals pending on all crtcs*/
940	atomic_t	  *vblank_refcount;	/* number of users of vblank interrupts per crtc */
941	u32		  *last_vblank;		/* protected by dev->vbl_lock, used */
942						/* for wraparound handling */
943	int		  *vblank_enabled;	/* so we don't call enable more than */
944						/* once per disable */
945	int 		  *vblank_inmodeset;	/* Display driver is setting mode */
946	struct callout	  vblank_disable_timer;
947	u32		  max_vblank_count;	/* size of vblank counter register */
948	int		  num_crtcs;
949
950#ifdef __FreeBSD__
951	struct sigio      *buf_sigio;	/* Processes waiting for SIGIO     */
952#elif defined(__NetBSD__)
953	pid_t		  buf_pgid;
954#endif
955
956				/* Sysctl support */
957	struct drm_sysctl_info *sysctl;
958
959	drm_agp_head_t    *agp;
960	drm_sg_mem_t      *sg;  /* Scatter gather memory */
961	atomic_t          *ctx_bitmap;
962	void		  *dev_private;
963	unsigned int	  agp_buffer_token;
964	drm_local_map_t   *agp_buffer_map;
965
966#ifdef __FreeBSD__
967	struct unrhdr	  *drw_unrhdr;
968#else
969	int               drw_no;
970#endif
971	/* RB tree of drawable infos */
972	RB_HEAD(drawable_tree, bsd_drm_drawable_info) drw_head;
973
974#ifdef __FreeBSD__
975	struct task	  locked_task;
976#endif
977#ifdef __NetBSD__
978	struct workqueue  *locked_task;
979#endif
980	void		  (*locked_task_call)(struct drm_device *dev);
981};
982
983extern int	drm_debug_flag;
984
985/* Device setup support (drm_drv.c) */
986#ifdef __FreeBSD__
987int	drm_probe(device_t nbdev, drm_pci_id_list_t *idlist);
988int	drm_attach(device_t nbdev, drm_pci_id_list_t *idlist);
989int	drm_detach(device_t nbdev);
990d_ioctl_t drm_ioctl;
991d_open_t drm_open;
992d_close_t drm_close;
993d_read_t drm_read;
994d_poll_t drm_poll;
995d_mmap_t drm_mmap;
996#elif defined(__NetBSD__) || defined(__OpenBSD__)
997int	drm_probe(struct pci_attach_args *pa, drm_pci_id_list_t *idlist);
998void	drm_attach(struct device *kdev, struct pci_attach_args *pa, drm_pci_id_list_t *idlist);
999#if defined(__NetBSD__)
1000int     drm_detach(struct device *self, int flags);
1001int     drm_activate(struct device *self, enum devact act);
1002#endif
1003dev_type_ioctl(drm_ioctl);
1004dev_type_open(drm_open);
1005dev_type_close(drm_close);
1006dev_type_read(drm_read);
1007dev_type_poll(drm_poll);
1008dev_type_mmap(drm_mmap);
1009#endif
1010extern drm_local_map_t	*drm_getsarea(struct drm_device *dev);
1011
1012int drm_close_pid(drm_device_t *dev, drm_file_t *priv, pid_t pid);
1013
1014/* File operations helpers (drm_fops.c) */
1015#ifdef __FreeBSD__
1016extern int		drm_open_helper(struct cdev *kdev, int flags, int fmt,
1017					 DRM_STRUCTPROC *p,
1018					struct drm_device *dev);
1019extern drm_file_t	*drm_find_file_by_proc(struct drm_device *dev,
1020					       DRM_STRUCTPROC *p);
1021#elif defined(__NetBSD__) || defined(__OpenBSD__)
1022extern int		drm_open_helper(DRM_CDEV kdev, int flags, int fmt,
1023					DRM_STRUCTPROC *p, drm_device_t *dev);
1024extern drm_file_t	*drm_find_file_by_proc(struct drm_device *dev,
1025					       DRM_STRUCTPROC *p);
1026#endif /* __NetBSD__ || __OpenBSD__ */
1027
1028/* Memory management support (drm_memory.c) */
1029void	drm_mem_init(void);
1030void	drm_mem_uninit(void);
1031void	*drm_alloc(size_t size, int area);
1032void	*drm_calloc(size_t nmemb, size_t size, int area);
1033void	*drm_realloc(void *oldpt, size_t oldsize, size_t size,
1034				   int area);
1035void	drm_free(void *pt, size_t size, int area);
1036void	*drm_ioremap(struct drm_device *dev, drm_local_map_t *map);
1037void	drm_ioremapfree(drm_local_map_t *map);
1038#ifdef __FreeBSD__
1039int	drm_mtrr_add(unsigned long offset, size_t size, int flags);
1040int	drm_mtrr_del(int handle, unsigned long offset, size_t size, int flags);
1041#else
1042#ifndef DRM_NO_MTRR
1043int	drm_mtrr_add(unsigned long offset, size_t size, int flags);
1044int	drm_mtrr_del(unsigned long offset, size_t size, int flags);
1045#endif
1046#endif /* !__FreeBSD__ */
1047
1048int	drm_context_switch(struct drm_device *dev, int old, int new);
1049int	drm_context_switch_complete(struct drm_device *dev, int new);
1050
1051int	drm_ctxbitmap_init(struct drm_device *dev);
1052void	drm_ctxbitmap_cleanup(struct drm_device *dev);
1053void	drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle);
1054int	drm_ctxbitmap_next(struct drm_device *dev);
1055
1056/* Locking IOCTL support (drm_lock.c) */
1057int	drm_lock_take(__volatile__ unsigned int *lock,
1058				    unsigned int context);
1059int	drm_lock_transfer(struct drm_device *dev,
1060			  __volatile__ unsigned int *lock,
1061			  unsigned int context);
1062int	drm_lock_free(struct drm_device *dev,
1063		      __volatile__ unsigned int *lock,
1064		      unsigned int context);
1065
1066/* Buffer management support (drm_bufs.c) */
1067unsigned long drm_get_resource_start(struct drm_device *dev,
1068				     unsigned int resource);
1069unsigned long drm_get_resource_len(struct drm_device *dev,
1070				   unsigned int resource);
1071void	drm_rmmap(struct drm_device *dev, drm_local_map_t *map);
1072int	drm_order(unsigned long size);
1073int	drm_addmap(struct drm_device *dev, unsigned long offset,
1074		   unsigned long size,
1075		   drm_map_type_t type, drm_map_flags_t flags,
1076		   drm_local_map_t **map_ptr);
1077int	drm_addbufs_pci(struct drm_device *dev, drm_buf_desc_t *request);
1078int	drm_addbufs_sg(struct drm_device *dev, drm_buf_desc_t *request);
1079int	drm_addbufs_agp(struct drm_device *dev, drm_buf_desc_t *request);
1080
1081/* DMA support (drm_dma.c) */
1082int	drm_dma_setup(struct drm_device *dev);
1083void	drm_dma_takedown(struct drm_device *dev);
1084void	drm_free_buffer(struct drm_device *dev, drm_buf_t *buf);
1085void	drm_reclaim_buffers(struct drm_device *dev, struct drm_file *file_priv);
1086#define drm_core_reclaim_buffers drm_reclaim_buffers
1087
1088/* IRQ support (drm_irq.c) */
1089int	drm_irq_install(struct drm_device *dev);
1090int	drm_irq_uninstall(struct drm_device *dev);
1091irqreturn_t drm_irq_handler(DRM_IRQ_ARGS);
1092void	drm_driver_irq_preinstall(struct drm_device *dev);
1093void	drm_driver_irq_postinstall(struct drm_device *dev);
1094void	drm_driver_irq_uninstall(struct drm_device *dev);
1095void	drm_handle_vblank(struct drm_device *dev, int crtc);
1096u32	drm_vblank_count(struct drm_device *dev, int crtc);
1097int	drm_vblank_get(struct drm_device *dev, int crtc);
1098void	drm_vblank_put(struct drm_device *dev, int crtc);
1099int	drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq);
1100int	drm_vblank_init(struct drm_device *dev, int num_crtcs);
1101void	drm_vbl_send_signals(struct drm_device *dev, int crtc);
1102int 	drm_modeset_ctl(struct drm_device *dev, void *data,
1103			struct drm_file *file_priv);
1104
1105/* AGP/PCI Express/GART support (drm_agpsupport.c) */
1106int	drm_device_is_agp(struct drm_device *dev);
1107int	drm_device_is_pcie(struct drm_device *dev);
1108#ifdef __NetBSD__
1109drm_agp_head_t *drm_agp_init(drm_device_t *dev);
1110#else
1111drm_agp_head_t *drm_agp_init(void);
1112#endif
1113int	drm_agp_acquire(struct drm_device *dev);
1114int	drm_agp_release(struct drm_device *dev);
1115int	drm_agp_info(struct drm_device * dev, drm_agp_info_t *info);
1116int	drm_agp_enable(struct drm_device *dev, drm_agp_mode_t mode);
1117void	*drm_agp_allocate_memory(size_t pages, u32 type);
1118int	drm_agp_free_memory(void *handle);
1119int	drm_agp_bind_memory(void *handle, off_t start);
1120int	drm_agp_unbind_memory(void *handle);
1121int	drm_agp_alloc(struct drm_device *dev, drm_agp_buffer_t *request);
1122int	drm_agp_free(struct drm_device *dev, drm_agp_buffer_t *request);
1123int	drm_agp_bind(struct drm_device *dev, drm_agp_binding_t *request);
1124int	drm_agp_unbind(struct drm_device *dev, drm_agp_binding_t *request);
1125
1126/* Scatter Gather Support (drm_scatter.c) */
1127void	drm_sg_cleanup(drm_sg_mem_t *entry);
1128int	drm_sg_alloc(struct drm_device *dev, drm_scatter_gather_t * request);
1129
1130#if defined(__FreeBSD__) || defined(__NetBSD__)
1131/* sysctl support (drm_sysctl.h) */
1132extern int		drm_sysctl_init(struct drm_device *dev);
1133extern int		drm_sysctl_cleanup(struct drm_device *dev);
1134#endif /* __FreeBSD__ */
1135
1136/* ATI PCIGART support (ati_pcigart.c) */
1137int	drm_ati_pcigart_init(struct drm_device *dev,
1138				struct drm_ati_pcigart_info *gart_info);
1139int	drm_ati_pcigart_cleanup(struct drm_device *dev,
1140				struct drm_ati_pcigart_info *gart_info);
1141
1142/* Locking IOCTL support (drm_drv.c) */
1143int	drm_lock(struct drm_device *dev, void *data,
1144		 struct drm_file *file_priv);
1145int	drm_unlock(struct drm_device *dev, void *data,
1146		   struct drm_file *file_priv);
1147int	drm_version(struct drm_device *dev, void *data,
1148		    struct drm_file *file_priv);
1149int	drm_setversion(struct drm_device *dev, void *data,
1150		       struct drm_file *file_priv);
1151
1152/* Misc. IOCTL support (drm_ioctl.c) */
1153int	drm_irq_by_busid(struct drm_device *dev, void *data,
1154			 struct drm_file *file_priv);
1155int	drm_getunique(struct drm_device *dev, void *data,
1156		      struct drm_file *file_priv);
1157int	drm_setunique(struct drm_device *dev, void *data,
1158		      struct drm_file *file_priv);
1159int	drm_getmap(struct drm_device *dev, void *data,
1160		   struct drm_file *file_priv);
1161int	drm_getclient(struct drm_device *dev, void *data,
1162		      struct drm_file *file_priv);
1163int	drm_getstats(struct drm_device *dev, void *data,
1164		     struct drm_file *file_priv);
1165int	drm_noop(struct drm_device *dev, void *data,
1166		 struct drm_file *file_priv);
1167
1168/* Context IOCTL support (drm_context.c) */
1169int	drm_resctx(struct drm_device *dev, void *data,
1170		   struct drm_file *file_priv);
1171int	drm_addctx(struct drm_device *dev, void *data,
1172struct drm_file *file_priv);
1173int	drm_modctx(struct drm_device *dev, void *data,
1174		   struct drm_file *file_priv);
1175int	drm_getctx(struct drm_device *dev, void *data,
1176		   struct drm_file *file_priv);
1177int	drm_switchctx(struct drm_device *dev, void *data,
1178		      struct drm_file *file_priv);
1179int	drm_newctx(struct drm_device *dev, void *data,
1180		   struct drm_file *file_priv);
1181int	drm_rmctx(struct drm_device *dev, void *data,
1182		  struct drm_file *file_priv);
1183int	drm_setsareactx(struct drm_device *dev, void *data,
1184			struct drm_file *file_priv);
1185int	drm_getsareactx(struct drm_device *dev, void *data,
1186			struct drm_file *file_priv);
1187
1188/* Drawable IOCTL support (drm_drawable.c) */
1189int	drm_adddraw(struct drm_device *dev, void *data,
1190		    struct drm_file *file_priv);
1191int	drm_rmdraw(struct drm_device *dev, void *data,
1192		   struct drm_file *file_priv);
1193int	drm_update_draw(struct drm_device *dev, void *data,
1194			struct drm_file *file_priv);
1195struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev,
1196						int handle);
1197
1198/* Authentication IOCTL support (drm_auth.c) */
1199int	drm_getmagic(struct drm_device *dev, void *data,
1200		     struct drm_file *file_priv);
1201int	drm_authmagic(struct drm_device *dev, void *data,
1202		      struct drm_file *file_priv);
1203
1204/* Buffer management support (drm_bufs.c) */
1205int	drm_addmap_ioctl(struct drm_device *dev, void *data,
1206			 struct drm_file *file_priv);
1207int	drm_rmmap_ioctl(struct drm_device *dev, void *data,
1208			struct drm_file *file_priv);
1209int	drm_addbufs_ioctl(struct drm_device *dev, void *data,
1210			  struct drm_file *file_priv);
1211int	drm_infobufs(struct drm_device *dev, void *data,
1212		     struct drm_file *file_priv);
1213int	drm_markbufs(struct drm_device *dev, void *data,
1214		     struct drm_file *file_priv);
1215int	drm_freebufs(struct drm_device *dev, void *data,
1216		     struct drm_file *file_priv);
1217int	drm_mapbufs(struct drm_device *dev, void *data,
1218		    struct drm_file *file_priv);
1219
1220/* DMA support (drm_dma.c) */
1221int	drm_dma(struct drm_device *dev, void *data, struct drm_file *file_priv);
1222
1223/* IRQ support (drm_irq.c) */
1224int	drm_control(struct drm_device *dev, void *data, struct drm_file *file_priv);
1225int	drm_wait_vblank(struct drm_device *dev, void *data,
1226			struct drm_file *file_priv);
1227void	drm_locked_tasklet(struct drm_device *dev,
1228			   void (*tasklet)(struct drm_device *dev));
1229
1230/* AGP/GART support (drm_agpsupport.c) */
1231int	drm_agp_acquire_ioctl(struct drm_device *dev, void *data,
1232			      struct drm_file *file_priv);
1233int	drm_agp_release_ioctl(struct drm_device *dev, void *data,
1234			      struct drm_file *file_priv);
1235int	drm_agp_enable_ioctl(struct drm_device *dev, void *data,
1236			     struct drm_file *file_priv);
1237int	drm_agp_info_ioctl(struct drm_device *dev, void *data,
1238			   struct drm_file *file_priv);
1239int	drm_agp_alloc_ioctl(struct drm_device *dev, void *data,
1240			    struct drm_file *file_priv);
1241int	drm_agp_free_ioctl(struct drm_device *dev, void *data,
1242			   struct drm_file *file_priv);
1243int	drm_agp_unbind_ioctl(struct drm_device *dev, void *data,
1244			     struct drm_file *file_priv);
1245int	drm_agp_bind_ioctl(struct drm_device *dev, void *data,
1246			   struct drm_file *file_priv);
1247
1248/* Scatter Gather Support (drm_scatter.c) */
1249int	drm_sg_alloc_ioctl(struct drm_device *dev, void *data,
1250			   struct drm_file *file_priv);
1251int	drm_sg_free(struct drm_device *dev, void *data,
1252		    struct drm_file *file_priv);
1253
1254/* consistent PCI memory functions (drm_pci.c) */
1255drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size,
1256				size_t align, dma_addr_t maxaddr);
1257void	drm_pci_free(struct drm_device *dev, drm_dma_handle_t *dmah);
1258
1259#define drm_core_ioremap_wc drm_core_ioremap
1260
1261/* Inline replacements for DRM_IOREMAP macros */
1262static __inline__ void
1263drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev)
1264{
1265	map->handle = drm_ioremap(dev, map);
1266}
1267static __inline__ void
1268drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev)
1269{
1270	if ( map->handle && map->size )
1271		drm_ioremapfree(map);
1272}
1273
1274static __inline__ struct drm_local_map *
1275drm_core_findmap(struct drm_device *dev, unsigned long offset)
1276{
1277	drm_local_map_t *map;
1278
1279	DRM_SPINLOCK_ASSERT(&dev->dev_lock);
1280	TAILQ_FOREACH(map, &dev->maplist, link) {
1281		if (map->offset == offset)
1282			return map;
1283	}
1284	return NULL;
1285}
1286
1287static __inline__ void drm_core_dropmap(struct drm_map *map)
1288{
1289}
1290
1291#endif /* __KERNEL__ */
1292#endif /* _DRM_P_H_ */
1293