1 /* drm_drv.h -- Generic driver template -*- linux-c -*-
2 * Created: Thu Nov 23 03:10:50 2000 by gareth@valinux.com
4 * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas.
5 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
15 * The above copyright notice and this permission notice (including the next
16 * paragraph) shall be included in all copies or substantial portions of the
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
22 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
23 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
24 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
25 * OTHER DEALINGS IN THE SOFTWARE.
28 * Rickard E. (Rik) Faith <faith@valinux.com>
29 * Gareth Hughes <gareth@valinux.com>
31 * $FreeBSD: src/sys/dev/drm/drm_drv.h,v 1.13.2.1 2003/04/26 07:05:28 anholt Exp $
32 * $DragonFly: src/sys/dev/drm/Attic/drm_drv.h,v 1.5 2003/07/22 17:03:28 dillon Exp $
36 * To use this template, you must at least define the following (samples
37 * given for the MGA driver):
39 * #define DRIVER_AUTHOR "VA Linux Systems, Inc."
41 * #define DRIVER_NAME "mga"
42 * #define DRIVER_DESC "Matrox G200/G400"
43 * #define DRIVER_DATE "20001127"
45 * #define DRIVER_MAJOR 2
46 * #define DRIVER_MINOR 0
47 * #define DRIVER_PATCHLEVEL 2
49 * #define DRIVER_IOCTL_COUNT DRM_ARRAY_SIZE( mga_ioctls )
51 * #define DRM(x) mga_##x
54 #ifndef __MUST_HAVE_AGP
55 #define __MUST_HAVE_AGP 0
57 #ifndef __HAVE_CTX_BITMAP
58 #define __HAVE_CTX_BITMAP 0
60 #ifndef __HAVE_DMA_IRQ
61 #define __HAVE_DMA_IRQ 0
63 #ifndef __HAVE_DMA_QUEUE
64 #define __HAVE_DMA_QUEUE 0
66 #ifndef __HAVE_DMA_SCHEDULE
67 #define __HAVE_DMA_SCHEDULE 0
69 #ifndef __HAVE_DMA_QUIESCENT
70 #define __HAVE_DMA_QUIESCENT 0
72 #ifndef __HAVE_RELEASE
73 #define __HAVE_RELEASE 0
75 #ifndef __HAVE_COUNTERS
76 #define __HAVE_COUNTERS 0
82 #ifndef DRIVER_PREINIT
83 #define DRIVER_PREINIT()
85 #ifndef DRIVER_POSTINIT
86 #define DRIVER_POSTINIT()
88 #ifndef DRIVER_PRERELEASE
89 #define DRIVER_PRERELEASE()
91 #ifndef DRIVER_PRETAKEDOWN
92 #define DRIVER_PRETAKEDOWN()
94 #ifndef DRIVER_POSTCLEANUP
95 #define DRIVER_POSTCLEANUP()
97 #ifndef DRIVER_PRESETUP
98 #define DRIVER_PRESETUP()
100 #ifndef DRIVER_POSTSETUP
101 #define DRIVER_POSTSETUP()
103 #ifndef DRIVER_IOCTLS
104 #define DRIVER_IOCTLS
109 #if 1 && DRM_DEBUG_CODE
110 int DRM(flags) = DRM_FLAG_DEBUG;
115 static int DRM(init)(device_t nbdev);
116 static void DRM(cleanup)(device_t nbdev);
119 #define DRIVER_SOFTC(unit) \
120 ((drm_device_t *) devclass_get_softc(DRM(devclass), unit))
122 #if __REALLY_HAVE_AGP
123 MODULE_DEPEND(DRIVER_NAME, agp, 1, 1, 1);
125 #endif /* __FreeBSD__ */
128 #define DRIVER_SOFTC(unit) \
129 ((drm_device_t *) device_lookup(&DRM(cd), unit))
130 #endif /* __NetBSD__ */
132 static drm_ioctl_desc_t DRM(ioctls)[] = {
133 [DRM_IOCTL_NR(DRM_IOCTL_VERSION)] = { DRM(version), 0, 0 },
134 [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)] = { DRM(getunique), 0, 0 },
135 [DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)] = { DRM(getmagic), 0, 0 },
136 [DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)] = { DRM(irq_busid), 0, 1 },
137 [DRM_IOCTL_NR(DRM_IOCTL_GET_MAP)] = { DRM(getmap), 0, 0 },
138 [DRM_IOCTL_NR(DRM_IOCTL_GET_CLIENT)] = { DRM(getclient), 0, 0 },
139 [DRM_IOCTL_NR(DRM_IOCTL_GET_STATS)] = { DRM(getstats), 0, 0 },
141 [DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)] = { DRM(setunique), 1, 1 },
142 [DRM_IOCTL_NR(DRM_IOCTL_BLOCK)] = { DRM(noop), 1, 1 },
143 [DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)] = { DRM(noop), 1, 1 },
144 [DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)] = { DRM(authmagic), 1, 1 },
146 [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)] = { DRM(addmap), 1, 1 },
147 [DRM_IOCTL_NR(DRM_IOCTL_RM_MAP)] = { DRM(rmmap), 1, 0 },
149 #if __HAVE_CTX_BITMAP
150 [DRM_IOCTL_NR(DRM_IOCTL_SET_SAREA_CTX)] = { DRM(setsareactx), 1, 1 },
151 [DRM_IOCTL_NR(DRM_IOCTL_GET_SAREA_CTX)] = { DRM(getsareactx), 1, 0 },
154 [DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = { DRM(addctx), 1, 1 },
155 [DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = { DRM(rmctx), 1, 1 },
156 [DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = { DRM(modctx), 1, 1 },
157 [DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = { DRM(getctx), 1, 0 },
158 [DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = { DRM(switchctx), 1, 1 },
159 [DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)] = { DRM(newctx), 1, 1 },
160 [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)] = { DRM(resctx), 1, 0 },
162 [DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)] = { DRM(adddraw), 1, 1 },
163 [DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)] = { DRM(rmdraw), 1, 1 },
165 [DRM_IOCTL_NR(DRM_IOCTL_LOCK)] = { DRM(lock), 1, 0 },
166 [DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = { DRM(unlock), 1, 0 },
167 [DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = { DRM(noop), 1, 0 },
170 [DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS)] = { DRM(addbufs), 1, 1 },
171 [DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS)] = { DRM(markbufs), 1, 1 },
172 [DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS)] = { DRM(infobufs), 1, 0 },
173 [DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS)] = { DRM(mapbufs), 1, 0 },
174 [DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS)] = { DRM(freebufs), 1, 0 },
176 /* The DRM_IOCTL_DMA ioctl should be defined by the driver.
178 [DRM_IOCTL_NR(DRM_IOCTL_CONTROL)] = { DRM(control), 1, 1 },
181 #if __REALLY_HAVE_AGP
182 [DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = { DRM(agp_acquire), 1, 1 },
183 [DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = { DRM(agp_release), 1, 1 },
184 [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = { DRM(agp_enable), 1, 1 },
185 [DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)] = { DRM(agp_info), 1, 0 },
186 [DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC)] = { DRM(agp_alloc), 1, 1 },
187 [DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE)] = { DRM(agp_free), 1, 1 },
188 [DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)] = { DRM(agp_bind), 1, 1 },
189 [DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)] = { DRM(agp_unbind), 1, 1 },
193 [DRM_IOCTL_NR(DRM_IOCTL_SG_ALLOC)] = { DRM(sg_alloc), 1, 1 },
194 [DRM_IOCTL_NR(DRM_IOCTL_SG_FREE)] = { DRM(sg_free), 1, 1 },
198 [DRM_IOCTL_NR(DRM_IOCTL_WAIT_VBLANK)] = { DRM(wait_vblank), 0, 0 },
204 #define DRIVER_IOCTL_COUNT DRM_ARRAY_SIZE( DRM(ioctls) )
206 const char *DRM(find_description)(int vendor, int device);
209 static struct cdevsw DRM(cdevsw) = {
210 .d_name = DRIVER_NAME,
212 .d_flags = D_TTY | D_TRACKCLOSE,
216 .old_open = DRM( open ),
217 .old_close = DRM( close ),
218 .old_read = DRM( read ),
219 .old_ioctl = DRM( ioctl ),
220 .old_poll = DRM( poll ),
221 .old_mmap = DRM( mmap )
224 static int DRM(probe)(device_t dev)
226 const char *s = NULL;
228 int pciid=pci_get_devid(dev);
229 int vendor = (pciid & 0x0000ffff);
230 int device = (pciid & 0xffff0000) >> 16;
232 s = DRM(find_description)(vendor, device);
234 device_set_desc(dev, s);
241 static int DRM(attach)(device_t dev)
243 return DRM(init)(dev);
246 static int DRM(detach)(device_t dev)
251 static device_method_t DRM(methods)[] = {
252 /* Device interface */
253 DEVMETHOD(device_probe, DRM( probe)),
254 DEVMETHOD(device_attach, DRM( attach)),
255 DEVMETHOD(device_detach, DRM( detach)),
260 static driver_t DRM(driver) = {
263 sizeof(drm_device_t),
266 static devclass_t DRM(devclass);
268 #elif defined(__NetBSD__)
270 static struct cdevsw DRM(cdevsw) = {
285 #if __NetBSD_Version__ >= 106080000
286 MOD_DEV( DRIVER_NAME, DRIVER_NAME, NULL, -1, &DRM(cdevsw), CDEV_MAJOR);
288 MOD_DEV( DRIVER_NAME, LM_DT_CHAR, CDEV_MAJOR, &DRM(cdevsw) );
291 int DRM(lkmentry)(struct lkm_table *lkmtp, int cmd, int ver);
292 static int DRM(lkmhandle)(struct lkm_table *lkmtp, int cmd);
295 int DRM(probe)(struct pci_attach_args *pa);
296 void DRM(attach)(struct pci_attach_args *pa, dev_t kdev);
298 int DRM(lkmentry)(struct lkm_table *lkmtp, int cmd, int ver) {
299 DISPATCH(lkmtp, cmd, ver, DRM(lkmhandle), DRM(lkmhandle), DRM(lkmhandle));
302 static int DRM(lkmhandle)(struct lkm_table *lkmtp, int cmd)
305 #if defined(__NetBSD__) && (__NetBSD_Version__ > 106080000)
306 struct lkm_dev *args = lkmtp->private.lkm_dev;
311 if (lkmexists(lkmtp))
334 int DRM(modprobe)() {
335 struct pci_attach_args pa;
337 if((error = pci_find_device(&pa, DRM(probe))) != 0)
343 int DRM(probe)(struct pci_attach_args *pa)
347 desc = DRM(find_description)(PCI_VENDOR(pa->pa_id), PCI_PRODUCT(pa->pa_id));
355 void DRM(attach)(struct pci_attach_args *pa, dev_t kdev)
360 config_makeroom(kdev, &DRM(cd));
361 DRM(cd).cd_devs[(kdev)] = DRM(alloc)(sizeof(drm_device_t),
363 dev = DRIVER_SOFTC(kdev);
365 memset(dev, 0, sizeof(drm_device_t));
366 memcpy(&dev->pa, pa, sizeof(dev->pa));
368 DRM_INFO("%s", DRM(find_description)(PCI_VENDOR(pa->pa_id), PCI_PRODUCT(pa->pa_id)));
372 int DRM(detach)(struct device *self, int flags)
374 DRM(cleanup)((drm_device_t *)self);
378 int DRM(activate)(struct device *self, enum devact act)
385 case DVACT_DEACTIVATE:
391 #endif /* __NetBSD__ */
393 const char *DRM(find_description)(int vendor, int device) {
394 const char *s = NULL;
397 while ( !done && (DRM(devicelist)[i].vendor != 0 ) ) {
398 if ( (DRM(devicelist)[i].vendor == vendor) &&
399 (DRM(devicelist)[i].device == device) ) {
401 if ( DRM(devicelist)[i].supported )
402 s = DRM(devicelist)[i].name;
404 DRM_INFO("%s not supported\n", DRM(devicelist)[i].name);
411 static int DRM(setup)( drm_device_t *dev )
420 i = DRM(dma_setup)( dev );
425 dev->counters = 6 + __HAVE_COUNTERS;
426 dev->types[0] = _DRM_STAT_LOCK;
427 dev->types[1] = _DRM_STAT_OPENS;
428 dev->types[2] = _DRM_STAT_CLOSES;
429 dev->types[3] = _DRM_STAT_IOCTLS;
430 dev->types[4] = _DRM_STAT_LOCKS;
431 dev->types[5] = _DRM_STAT_UNLOCKS;
432 #ifdef __HAVE_COUNTER6
433 dev->types[6] = __HAVE_COUNTER6;
435 #ifdef __HAVE_COUNTER7
436 dev->types[7] = __HAVE_COUNTER7;
438 #ifdef __HAVE_COUNTER8
439 dev->types[8] = __HAVE_COUNTER8;
441 #ifdef __HAVE_COUNTER9
442 dev->types[9] = __HAVE_COUNTER9;
444 #ifdef __HAVE_COUNTER10
445 dev->types[10] = __HAVE_COUNTER10;
447 #ifdef __HAVE_COUNTER11
448 dev->types[11] = __HAVE_COUNTER11;
450 #ifdef __HAVE_COUNTER12
451 dev->types[12] = __HAVE_COUNTER12;
453 #ifdef __HAVE_COUNTER13
454 dev->types[13] = __HAVE_COUNTER13;
456 #ifdef __HAVE_COUNTER14
457 dev->types[14] = __HAVE_COUNTER14;
459 #ifdef __HAVE_COUNTER15
460 dev->types[14] = __HAVE_COUNTER14;
463 for ( i = 0 ; i < DRM_ARRAY_SIZE(dev->counts) ; i++ )
464 atomic_set( &dev->counts[i], 0 );
466 for ( i = 0 ; i < DRM_HASH_SIZE ; i++ ) {
467 dev->magiclist[i].head = NULL;
468 dev->magiclist[i].tail = NULL;
471 dev->maplist = DRM(alloc)(sizeof(*dev->maplist),
473 if(dev->maplist == NULL) return DRM_ERR(ENOMEM);
474 memset(dev->maplist, 0, sizeof(*dev->maplist));
475 TAILQ_INIT(dev->maplist);
477 dev->lock.hw_lock = NULL;
478 dev->lock.lock_queue = 0;
480 dev->context_flag = 0;
481 dev->last_context = 0;
482 #if __FreeBSD_version >= 500000
483 callout_init( &dev->timer, 1 );
485 callout_init( &dev->timer );
489 dev->buf_sigio = NULL;
490 #elif defined(__NetBSD__)
501 static int DRM(takedown)( drm_device_t *dev )
503 drm_magic_entry_t *pt, *next;
504 drm_local_map_t *map;
505 drm_map_list_entry_t *list;
510 DRIVER_PRETAKEDOWN();
512 if ( dev->irq ) DRM(irq_uninstall)( dev );
516 callout_stop( &dev->timer );
519 DRM(free)( dev->unique, strlen( dev->unique ) + 1,
525 for ( i = 0 ; i < DRM_HASH_SIZE ; i++ ) {
526 for ( pt = dev->magiclist[i].head ; pt ; pt = next ) {
528 DRM(free)( pt, sizeof(*pt), DRM_MEM_MAGIC );
530 dev->magiclist[i].head = dev->magiclist[i].tail = NULL;
533 #if __REALLY_HAVE_AGP
534 /* Clear AGP information */
536 drm_agp_mem_t *entry;
537 drm_agp_mem_t *nexte;
539 /* Remove AGP resources, but leave dev->agp
540 intact until drv_cleanup is called. */
541 for ( entry = dev->agp->memory ; entry ; entry = nexte ) {
543 if ( entry->bound ) DRM(unbind_agp)( entry->handle );
544 DRM(free_agp)( entry->handle, entry->pages );
545 DRM(free)( entry, sizeof(*entry), DRM_MEM_AGPLISTS );
547 dev->agp->memory = NULL;
549 if ( dev->agp->acquired ) DRM(agp_do_release)();
551 dev->agp->acquired = 0;
552 dev->agp->enabled = 0;
557 while ((list=TAILQ_FIRST(dev->maplist))) {
559 switch ( map->type ) {
561 case _DRM_FRAME_BUFFER:
562 #if __REALLY_HAVE_MTRR
563 if ( map->mtrr >= 0 ) {
567 struct mem_range_desc mrdesc;
568 mrdesc.mr_base = map->offset;
569 mrdesc.mr_len = map->size;
570 mrdesc.mr_flags = MDF_WRITECOMBINE;
571 act = MEMRANGE_SET_UPDATE;
572 bcopy(DRIVER_NAME, &mrdesc.mr_owner, strlen(DRIVER_NAME));
573 retcode = mem_range_attr_set(&mrdesc, &act);
575 #elif defined __NetBSD__
578 mtrrmap.base = map->offset;
579 mtrrmap.len = map->size;
580 mtrrmap.type = MTRR_TYPE_WC;
582 retcode = mtrr_set( &mtrrmap, &one,
583 DRM_CURPROC, MTRR_GETSET_KERNEL);
585 DRM_DEBUG( "mtrr_del=%d\n", retcode );
588 DRM(ioremapfree)( map );
591 DRM(free)(map->handle,
597 /* Do nothing here, because this is all
598 * handled in the AGP/GART driver.
601 case _DRM_SCATTER_GATHER:
602 /* Handle it, but do nothing, if REALLY_HAVE_SG
607 DRM(sg_cleanup)(dev->sg);
613 TAILQ_REMOVE(dev->maplist, list, link);
614 DRM(free)(list, sizeof(*list), DRM_MEM_MAPS);
615 DRM(free)(map, sizeof(*map), DRM_MEM_MAPS);
617 DRM(free)(dev->maplist, sizeof(*dev->maplist), DRM_MEM_MAPS);
622 DRM(dma_takedown)( dev );
624 if ( dev->lock.hw_lock ) {
625 dev->lock.hw_lock = NULL; /* SHM removed */
626 dev->lock.filp = NULL;
627 DRM_WAKEUP_INT((void *)&dev->lock.lock_queue);
634 /* linux: drm_init is called via init_module at module load time, or via
635 * linux/init/main.c (this is not currently supported).
636 * bsd: drm_init is called via the attach function per device.
638 static int DRM(init)( device_t nbdev )
643 #elif defined(__NetBSD__)
644 drm_device_t *dev = nbdev;
646 #if __HAVE_CTX_BITMAP
653 unit = device_get_unit(nbdev);
654 dev = device_get_softc(nbdev);
655 memset( (void *)dev, 0, sizeof(*dev) );
657 dev->devnode = make_dev( &DRM(cdevsw),
662 "dri/card%d", unit );
663 #elif defined(__NetBSD__)
664 unit = minor(dev->device.dv_unit);
666 DRM_SPININIT(dev->count_lock, "drm device");
667 lockinit(&dev->dev_lock, 0, "drmlk", 0, 0);
668 dev->name = DRIVER_NAME;
670 DRM(sysctl_init)(dev);
671 TAILQ_INIT(&dev->files);
673 #if __REALLY_HAVE_AGP
674 dev->agp = DRM(agp_init)();
676 if ( dev->agp == NULL ) {
677 DRM_ERROR( "Cannot initialize the agpgart module.\n" );
678 DRM(sysctl_cleanup)( dev );
680 destroy_dev(dev->devnode);
682 DRM(takedown)( dev );
683 return DRM_ERR(ENOMEM);
685 #endif /* __MUST_HAVE_AGP */
686 #if __REALLY_HAVE_MTRR
689 int retcode = 0, act;
690 struct mem_range_desc mrdesc;
691 mrdesc.mr_base = dev->agp->info.ai_aperture_base;
692 mrdesc.mr_len = dev->agp->info.ai_aperture_size;
693 mrdesc.mr_flags = MDF_WRITECOMBINE;
694 act = MEMRANGE_SET_UPDATE;
695 bcopy(DRIVER_NAME, &mrdesc.mr_owner, strlen(DRIVER_NAME));
696 retcode = mem_range_attr_set(&mrdesc, &act);
697 dev->agp->agp_mtrr=1;
698 #elif defined __NetBSD__
701 mtrrmap.base = dev->agp->info.ai_aperture_base;
702 mtrrmap.len = dev->agp->info.ai_aperture_size;
703 mtrrmap.type = MTRR_TYPE_WC;
704 mtrrmap.flags = MTRR_VALID;
705 dev->agp->agp_mtrr = mtrr_set( &mtrrmap, &one, NULL, MTRR_GETSET_KERNEL);
706 #endif /* __NetBSD__ */
708 #endif /* __REALLY_HAVE_MTRR */
709 #endif /* __REALLY_HAVE_AGP */
711 #if __HAVE_CTX_BITMAP
712 retcode = DRM(ctxbitmap_init)( dev );
714 DRM_ERROR( "Cannot allocate memory for context bitmap.\n" );
715 DRM(sysctl_cleanup)( dev );
717 destroy_dev(dev->devnode);
719 DRM(takedown)( dev );
723 DRM_INFO( "Initialized %s %d.%d.%d %s on minor %d\n",
736 /* linux: drm_cleanup is called via cleanup_module at module unload time.
737 * bsd: drm_cleanup is called per device at module unload time.
740 static void DRM(cleanup)(device_t nbdev)
744 #if __REALLY_HAVE_MTRR
747 #endif /* __REALLY_HAVE_MTRR */
749 #endif /* __NetBSD__ */
754 dev = device_get_softc(nbdev);
756 DRM(sysctl_cleanup)( dev );
758 destroy_dev(dev->devnode);
760 #if __HAVE_CTX_BITMAP
761 DRM(ctxbitmap_cleanup)( dev );
764 #if __REALLY_HAVE_AGP && __REALLY_HAVE_MTRR
765 if ( dev->agp && dev->agp->agp_mtrr >= 0) {
766 #if defined(__NetBSD__)
767 mtrrmap.base = dev->agp->info.ai_aperture_base;
768 mtrrmap.len = dev->agp->info.ai_aperture_size;
771 mtrr_set( &mtrrmap, &one, NULL, MTRR_GETSET_KERNEL);
776 DRM(takedown)( dev );
778 #if __REALLY_HAVE_AGP
781 DRM(free)( dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS );
785 DRIVER_POSTCLEANUP();
787 DRM_SPINUNINIT(dev->count_lock);
791 int DRM(version)( DRM_IOCTL_ARGS )
793 drm_version_t version;
796 DRM_COPY_FROM_USER_IOCTL( version, (drm_version_t *)data, sizeof(version) );
798 #define DRM_COPY( name, value ) \
799 len = strlen( value ); \
800 if ( len > name##_len ) len = name##_len; \
801 name##_len = strlen( value ); \
802 if ( len && name ) { \
803 if ( DRM_COPY_TO_USER( name, value, len ) ) \
804 return DRM_ERR(EFAULT); \
807 version.version_major = DRIVER_MAJOR;
808 version.version_minor = DRIVER_MINOR;
809 version.version_patchlevel = DRIVER_PATCHLEVEL;
811 DRM_COPY( version.name, DRIVER_NAME );
812 DRM_COPY( version.date, DRIVER_DATE );
813 DRM_COPY( version.desc, DRIVER_DESC );
815 DRM_COPY_TO_USER_IOCTL( (drm_version_t *)data, version, sizeof(version) );
820 int DRM(open)(dev_t kdev, int flags, int fmt, DRM_STRUCTPROC *p)
822 drm_device_t *dev = NULL;
825 dev = DRIVER_SOFTC(minor(kdev));
827 DRM_DEBUG( "open_count = %d\n", dev->open_count );
829 retcode = DRM(open_helper)(kdev, flags, fmt, p, dev);
832 atomic_inc( &dev->counts[_DRM_STAT_OPENS] );
833 DRM_SPINLOCK( &dev->count_lock );
835 device_busy(dev->device);
837 if ( !dev->open_count++ )
838 retcode = DRM(setup)( dev );
839 DRM_SPINUNLOCK( &dev->count_lock );
845 int DRM(close)(dev_t kdev, int flags, int fmt, DRM_STRUCTPROC *p)
850 DRMFILE __unused filp = (void *)(DRM_CURRENTPID);
852 DRM_DEBUG( "open_count = %d\n", dev->open_count );
853 priv = DRM(find_file_by_proc)(dev, p);
855 DRM_DEBUG("can't find authenticator\n");
861 /* ========================================================
862 * Begin inline drm_release
866 DRM_DEBUG( "pid = %d, device = 0x%lx, open_count = %d\n",
867 DRM_CURRENTPID, (long)dev->device, dev->open_count );
868 #elif defined(__NetBSD__)
869 DRM_DEBUG( "pid = %d, device = 0x%lx, open_count = %d\n",
870 DRM_CURRENTPID, (long)&dev->device, dev->open_count);
873 if (dev->lock.hw_lock && _DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)
874 && dev->lock.filp == (void *)DRM_CURRENTPID) {
875 DRM_DEBUG("Process %d dead, freeing lock for context %d\n",
877 _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock));
878 #if HAVE_DRIVER_RELEASE
882 &dev->lock.hw_lock->lock,
883 _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock));
885 /* FIXME: may require heavy-handed reset of
886 hardware at this point, possibly
887 processed via a callback to the X
891 else if ( dev->lock.hw_lock ) {
892 /* The lock is required to reclaim buffers */
894 if ( !dev->lock.hw_lock ) {
895 /* Device has been unregistered */
896 retcode = DRM_ERR(EINTR);
899 if ( DRM(lock_take)( &dev->lock.hw_lock->lock,
900 DRM_KERNEL_CONTEXT ) ) {
901 dev->lock.pid = DRM_CURRENTPID;
902 dev->lock.lock_time = jiffies;
903 atomic_inc( &dev->counts[_DRM_STAT_LOCKS] );
904 break; /* Got lock */
908 atomic_inc( &dev->total_sleeps );
910 retcode = tsleep((void *)&dev->lock.lock_queue,
911 PCATCH, "drmlk2", 0);
917 DRM(lock_free)( dev, &dev->lock.hw_lock->lock,
918 DRM_KERNEL_CONTEXT );
922 DRM(reclaim_buffers)( dev, (void *)priv->pid );
925 #if defined (__FreeBSD__) && (__FreeBSD_version >= 500000)
926 funsetown(&dev->buf_sigio);
927 #elif defined(__FreeBSD__)
928 funsetown(dev->buf_sigio);
929 #elif defined(__NetBSD__)
931 #endif /* __NetBSD__ */
934 priv = DRM(find_file_by_proc)(dev, p);
938 TAILQ_REMOVE(&dev->files, priv, link);
939 DRM(free)( priv, sizeof(*priv), DRM_MEM_FILES );
945 /* ========================================================
946 * End inline drm_release
949 atomic_inc( &dev->counts[_DRM_STAT_CLOSES] );
950 DRM_SPINLOCK( &dev->count_lock );
952 device_unbusy(dev->device);
954 if ( !--dev->open_count ) {
955 DRM_SPINUNLOCK( &dev->count_lock );
956 return DRM(takedown)( dev );
958 DRM_SPINUNLOCK( &dev->count_lock );
963 /* DRM(ioctl) is called whenever a process performs an ioctl on /dev/drm.
965 int DRM(ioctl)(dev_t kdev, u_long cmd, caddr_t data, int flags,
970 drm_ioctl_desc_t *ioctl;
971 int (*func)(DRM_IOCTL_ARGS);
972 int nr = DRM_IOCTL_NR(cmd);
975 atomic_inc( &dev->counts[_DRM_STAT_IOCTLS] );
979 DRM_DEBUG( "pid=%d, cmd=0x%02lx, nr=0x%02x, dev 0x%lx, auth=%d\n",
980 DRM_CURRENTPID, cmd, nr, (long)dev->device, priv->authenticated );
981 #elif defined(__NetBSD__)
982 DRM_DEBUG( "pid=%d, cmd=0x%02lx, nr=0x%02x, dev 0x%lx, auth=%d\n",
983 DRM_CURRENTPID, cmd, nr, (long)&dev->device, priv->authenticated );
991 dev->flags |= FASYNC;
996 return fsetown(*(int *)data, &dev->buf_sigio);
999 #if (__FreeBSD_version >= 500000)
1000 *(int *) data = fgetown(&dev->buf_sigio);
1002 *(int *) data = fgetown(dev->buf_sigio);
1005 #endif /* __FreeBSD__ */
1008 dev->buf_pgid = *(int *)data;
1012 *(int *)data = dev->buf_pgid;
1014 #endif /* __NetBSD__ */
1017 if ( nr >= DRIVER_IOCTL_COUNT ) {
1020 ioctl = &DRM(ioctls)[nr];
1024 DRM_DEBUG( "no function\n" );
1026 } else if ( ( ioctl->root_only && DRM_SUSER(p) )
1027 || ( ioctl->auth_needed && !priv->authenticated ) ) {
1030 retcode = func(kdev, cmd, data, flags, p, (void *)DRM_CURRENTPID);
1034 return DRM_ERR(retcode);
1037 int DRM(lock)( DRM_IOCTL_ARGS )
1043 DRM_COPY_FROM_USER_IOCTL( lock, (drm_lock_t *)data, sizeof(lock) );
1045 if ( lock.context == DRM_KERNEL_CONTEXT ) {
1046 DRM_ERROR( "Process %d using kernel context %d\n",
1047 DRM_CURRENTPID, lock.context );
1048 return DRM_ERR(EINVAL);
1051 DRM_DEBUG( "%d (pid %d) requests lock (0x%08x), flags = 0x%08x\n",
1052 lock.context, DRM_CURRENTPID,
1053 dev->lock.hw_lock->lock, lock.flags );
1055 #if __HAVE_DMA_QUEUE
1056 if ( lock.context < 0 )
1057 return DRM_ERR(EINVAL);
1062 if ( !dev->lock.hw_lock ) {
1063 /* Device has been unregistered */
1067 if ( DRM(lock_take)( &dev->lock.hw_lock->lock,
1069 dev->lock.filp = (void *)DRM_CURRENTPID;
1070 dev->lock.lock_time = jiffies;
1071 atomic_inc( &dev->counts[_DRM_STAT_LOCKS] );
1072 break; /* Got lock */
1076 ret = tsleep((void *)&dev->lock.lock_queue,
1077 PCATCH, "drmlk2", 0);
1084 /* FIXME: Add signal blocking here */
1086 #if __HAVE_DMA_QUIESCENT
1087 if ( lock.flags & _DRM_LOCK_QUIESCENT ) {
1088 DRIVER_DMA_QUIESCENT();
1093 DRM_DEBUG( "%d %s\n", lock.context, ret ? "interrupted" : "has lock" );
1095 return DRM_ERR(ret);
1099 int DRM(unlock)( DRM_IOCTL_ARGS )
1104 DRM_COPY_FROM_USER_IOCTL( lock, (drm_lock_t *)data, sizeof(lock) ) ;
1106 if ( lock.context == DRM_KERNEL_CONTEXT ) {
1107 DRM_ERROR( "Process %d using kernel context %d\n",
1108 DRM_CURRENTPID, lock.context );
1109 return DRM_ERR(EINVAL);
1112 atomic_inc( &dev->counts[_DRM_STAT_UNLOCKS] );
1114 DRM(lock_transfer)( dev, &dev->lock.hw_lock->lock,
1115 DRM_KERNEL_CONTEXT );
1116 #if __HAVE_DMA_SCHEDULE
1117 DRM(dma_schedule)( dev, 1 );
1120 /* FIXME: Do we ever really need to check this?
1122 if ( 1 /* !dev->context_flag */ ) {
1123 if ( DRM(lock_free)( dev, &dev->lock.hw_lock->lock,
1124 DRM_KERNEL_CONTEXT ) ) {
1134 #include <sys/sysproto.h>
1136 MODULE_DEPEND(DRIVER_NAME, linux, 1, 1, 1);
1138 #define LINUX_IOCTL_DRM_MIN 0x6400
1139 #define LINUX_IOCTL_DRM_MAX 0x64ff
1141 static linux_ioctl_function_t DRM(linux_ioctl);
1142 static struct linux_ioctl_handler DRM(handler) = {DRM(linux_ioctl),
1143 LINUX_IOCTL_DRM_MIN, LINUX_IOCTL_DRM_MAX};
1145 SYSINIT(DRM(register), SI_SUB_KLD, SI_ORDER_MIDDLE,
1146 linux_ioctl_register_handler, &DRM(handler));
1147 SYSUNINIT(DRM(unregister), SI_SUB_KLD, SI_ORDER_MIDDLE,
1148 linux_ioctl_unregister_handler, &DRM(handler));
1150 /* The bits for in/out are switched on Linux */
1151 #define LINUX_IOC_IN IOC_OUT
1152 #define LINUX_IOC_OUT IOC_IN
1155 DRM(linux_ioctl)(DRM_STRUCTPROC *p, struct linux_ioctl_args* args)
1158 int cmd = args->cmd;
1160 args->cmd &= ~(LINUX_IOC_IN | LINUX_IOC_OUT);
1161 if (cmd & LINUX_IOC_IN)
1162 args->cmd |= IOC_IN;
1163 if (cmd & LINUX_IOC_OUT)
1164 args->cmd |= IOC_OUT;
1166 error = ioctl(p, (struct ioctl_args *)args);
1170 #endif /* DRM_LINUX */