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 1.11 2005/03/01 00:43:02 corecode 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);
118 #if defined(__DragonFly__) || defined(__FreeBSD__)
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);
208 #if defined(__DragonFly__) || defined(__FreeBSD__)
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 defined(__FreeBSD__) && __FreeBSD_version >= 500000
483 callout_init( &dev->timer, 1 );
485 callout_init( &dev->timer );
488 #if defined(__DragonFly__) || defined(__FreeBSD__)
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 ) {
565 #if defined(__DragonFly__) || defined(__FreeBSD__)
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 )
641 #if defined(__DragonFly__) || defined(__FreeBSD__)
643 #elif defined(__NetBSD__)
644 drm_device_t *dev = nbdev;
646 #if __HAVE_CTX_BITMAP
652 #if defined(__DragonFly__) || defined(__FreeBSD__)
653 unit = device_get_unit(nbdev);
654 dev = device_get_softc(nbdev);
655 memset( (void *)dev, 0, sizeof(*dev) );
657 cdevsw_add(&DRM(cdevsw), -1, unit);
658 dev->devnode = make_dev( &DRM(cdevsw),
663 "dri/card%d", unit );
664 reference_dev(dev->devnode);
665 #elif defined(__NetBSD__)
666 unit = minor(dev->device.dv_unit);
668 DRM_SPININIT(dev->count_lock, "drm device");
669 lockinit(&dev->dev_lock, 0, "drmlk", 0, 0);
670 dev->name = DRIVER_NAME;
672 DRM(sysctl_init)(dev);
673 TAILQ_INIT(&dev->files);
675 #if __REALLY_HAVE_AGP
676 dev->agp = DRM(agp_init)();
678 if ( dev->agp == NULL ) {
679 DRM_ERROR( "Cannot initialize the agpgart module.\n" );
680 DRM(sysctl_cleanup)( dev );
681 #if defined(__DragonFly__) || defined(__FreeBSD__)
682 destroy_dev(dev->devnode);
684 DRM(takedown)( dev );
685 return DRM_ERR(ENOMEM);
687 #endif /* __MUST_HAVE_AGP */
688 #if __REALLY_HAVE_MTRR
690 #if defined(__DragonFly__) || defined(__FreeBSD__)
691 int retcode = 0, act;
692 struct mem_range_desc mrdesc;
693 mrdesc.mr_base = dev->agp->info.ai_aperture_base;
694 mrdesc.mr_len = dev->agp->info.ai_aperture_size;
695 mrdesc.mr_flags = MDF_WRITECOMBINE;
696 act = MEMRANGE_SET_UPDATE;
697 bcopy(DRIVER_NAME, &mrdesc.mr_owner, strlen(DRIVER_NAME));
698 retcode = mem_range_attr_set(&mrdesc, &act);
699 dev->agp->agp_mtrr=1;
700 #elif defined __NetBSD__
703 mtrrmap.base = dev->agp->info.ai_aperture_base;
704 mtrrmap.len = dev->agp->info.ai_aperture_size;
705 mtrrmap.type = MTRR_TYPE_WC;
706 mtrrmap.flags = MTRR_VALID;
707 dev->agp->agp_mtrr = mtrr_set( &mtrrmap, &one, NULL, MTRR_GETSET_KERNEL);
708 #endif /* __NetBSD__ */
710 #endif /* __REALLY_HAVE_MTRR */
711 #endif /* __REALLY_HAVE_AGP */
713 #if __HAVE_CTX_BITMAP
714 retcode = DRM(ctxbitmap_init)( dev );
716 DRM_ERROR( "Cannot allocate memory for context bitmap.\n" );
717 DRM(sysctl_cleanup)( dev );
718 #if defined(__DragonFly__) || defined(__FreeBSD__)
719 destroy_dev(dev->devnode);
721 DRM(takedown)( dev );
725 DRM_INFO( "Initialized %s %d.%d.%d %s on minor %d\n",
738 /* linux: drm_cleanup is called via cleanup_module at module unload time.
739 * bsd: drm_cleanup is called per device at module unload time.
742 static void DRM(cleanup)(device_t nbdev)
746 #if __REALLY_HAVE_MTRR
749 #endif /* __REALLY_HAVE_MTRR */
751 #endif /* __NetBSD__ */
755 #if defined(__DragonFly__) || defined(__FreeBSD__)
756 dev = device_get_softc(nbdev);
758 DRM(sysctl_cleanup)( dev );
759 #if defined(__DragonFly__) || defined(__FreeBSD__)
760 destroy_dev(dev->devnode);
762 #if __HAVE_CTX_BITMAP
763 DRM(ctxbitmap_cleanup)( dev );
766 #if __REALLY_HAVE_AGP && __REALLY_HAVE_MTRR
767 if ( dev->agp && dev->agp->agp_mtrr >= 0) {
768 #if defined(__NetBSD__)
769 mtrrmap.base = dev->agp->info.ai_aperture_base;
770 mtrrmap.len = dev->agp->info.ai_aperture_size;
773 mtrr_set( &mtrrmap, &one, NULL, MTRR_GETSET_KERNEL);
777 cdevsw_remove(&DRM(cdevsw), -1, device_get_unit(nbdev));
779 DRM(takedown)( dev );
781 #if __REALLY_HAVE_AGP
784 DRM(free)( dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS );
788 DRIVER_POSTCLEANUP();
790 DRM_SPINUNINIT(dev->count_lock);
794 int DRM(version)( DRM_IOCTL_ARGS )
796 drm_version_t version;
799 DRM_COPY_FROM_USER_IOCTL( version, (drm_version_t *)data, sizeof(version) );
801 #define DRM_COPY( name, value ) \
802 len = strlen( value ); \
803 if ( len > name##_len ) len = name##_len; \
804 name##_len = strlen( value ); \
805 if ( len && name ) { \
806 if ( DRM_COPY_TO_USER( name, value, len ) ) \
807 return DRM_ERR(EFAULT); \
810 version.version_major = DRIVER_MAJOR;
811 version.version_minor = DRIVER_MINOR;
812 version.version_patchlevel = DRIVER_PATCHLEVEL;
814 DRM_COPY( version.name, DRIVER_NAME );
815 DRM_COPY( version.date, DRIVER_DATE );
816 DRM_COPY( version.desc, DRIVER_DESC );
818 DRM_COPY_TO_USER_IOCTL( (drm_version_t *)data, version, sizeof(version) );
823 int DRM(open)(dev_t kdev, int flags, int fmt, DRM_STRUCTPROC *p)
825 drm_device_t *dev = NULL;
828 dev = DRIVER_SOFTC(minor(kdev));
830 DRM_DEBUG( "open_count = %d\n", dev->open_count );
832 retcode = DRM(open_helper)(kdev, flags, fmt, p, dev);
835 atomic_inc( &dev->counts[_DRM_STAT_OPENS] );
836 DRM_SPINLOCK( &dev->count_lock );
837 #if defined(__DragonFly__) || defined(__FreeBSD__)
838 device_busy(dev->device);
840 if ( !dev->open_count++ )
841 retcode = DRM(setup)( dev );
842 DRM_SPINUNLOCK( &dev->count_lock );
848 int DRM(close)(dev_t kdev, int flags, int fmt, DRM_STRUCTPROC *p)
853 DRMFILE __unused filp = (void *)(DRM_CURRENTPID);
855 DRM_DEBUG( "open_count = %d\n", dev->open_count );
856 priv = DRM(find_file_by_proc)(dev, p);
858 DRM_DEBUG("can't find authenticator\n");
864 /* ========================================================
865 * Begin inline drm_release
868 #if defined(__DragonFly__) || defined(__FreeBSD__)
869 DRM_DEBUG( "pid = %d, device = 0x%lx, open_count = %d\n",
870 DRM_CURRENTPID, (long)dev->device, dev->open_count );
871 #elif defined(__NetBSD__)
872 DRM_DEBUG( "pid = %d, device = 0x%lx, open_count = %d\n",
873 DRM_CURRENTPID, (long)&dev->device, dev->open_count);
876 if (dev->lock.hw_lock && _DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)
877 && dev->lock.filp == (void *)DRM_CURRENTPID) {
878 DRM_DEBUG("Process %d dead, freeing lock for context %d\n",
880 _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock));
881 #if HAVE_DRIVER_RELEASE
885 &dev->lock.hw_lock->lock,
886 _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock));
888 /* FIXME: may require heavy-handed reset of
889 hardware at this point, possibly
890 processed via a callback to the X
894 else if ( dev->lock.hw_lock ) {
895 /* The lock is required to reclaim buffers */
897 if ( !dev->lock.hw_lock ) {
898 /* Device has been unregistered */
899 retcode = DRM_ERR(EINTR);
902 if ( DRM(lock_take)( &dev->lock.hw_lock->lock,
903 DRM_KERNEL_CONTEXT ) ) {
904 dev->lock.pid = DRM_CURRENTPID;
905 dev->lock.lock_time = jiffies;
906 atomic_inc( &dev->counts[_DRM_STAT_LOCKS] );
907 break; /* Got lock */
911 atomic_inc( &dev->total_sleeps );
913 retcode = tsleep((void *)&dev->lock.lock_queue,
914 PCATCH, "drmlk2", 0);
920 DRM(lock_free)( dev, &dev->lock.hw_lock->lock,
921 DRM_KERNEL_CONTEXT );
925 DRM(reclaim_buffers)( dev, (void *)priv->pid );
928 #if defined (__FreeBSD__) && (__FreeBSD_version >= 500000)
929 funsetown(&dev->buf_sigio);
930 #elif defined(__DragonFly__) || defined(__FreeBSD__)
931 funsetown(dev->buf_sigio);
932 #elif defined(__NetBSD__)
934 #endif /* __NetBSD__ */
937 priv = DRM(find_file_by_proc)(dev, p);
941 TAILQ_REMOVE(&dev->files, priv, link);
942 DRM(free)( priv, sizeof(*priv), DRM_MEM_FILES );
948 /* ========================================================
949 * End inline drm_release
952 atomic_inc( &dev->counts[_DRM_STAT_CLOSES] );
953 DRM_SPINLOCK( &dev->count_lock );
954 #if defined(__DragonFly__) || defined(__FreeBSD__)
955 device_unbusy(dev->device);
957 if ( !--dev->open_count ) {
958 DRM_SPINUNLOCK( &dev->count_lock );
959 return DRM(takedown)( dev );
961 DRM_SPINUNLOCK( &dev->count_lock );
966 /* DRM(ioctl) is called whenever a process performs an ioctl on /dev/drm.
968 int DRM(ioctl)(dev_t kdev, u_long cmd, caddr_t data, int flags,
973 drm_ioctl_desc_t *ioctl;
974 int (*func)(DRM_IOCTL_ARGS);
975 int nr = DRM_IOCTL_NR(cmd);
978 atomic_inc( &dev->counts[_DRM_STAT_IOCTLS] );
981 #if defined(__DragonFly__) || defined(__FreeBSD__)
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 );
984 #elif defined(__NetBSD__)
985 DRM_DEBUG( "pid=%d, cmd=0x%02lx, nr=0x%02x, dev 0x%lx, auth=%d\n",
986 DRM_CURRENTPID, cmd, nr, (long)&dev->device, priv->authenticated );
994 dev->flags |= FASYNC;
997 #if defined(__DragonFly__) || defined(__FreeBSD__)
999 return fsetown(*(int *)data, &dev->buf_sigio);
1002 #if defined(__FreeBSD__) && (__FreeBSD_version >= 500000)
1003 *(int *) data = fgetown(&dev->buf_sigio);
1005 *(int *) data = fgetown(dev->buf_sigio);
1008 #endif /* __FreeBSD__ */
1011 dev->buf_pgid = *(int *)data;
1015 *(int *)data = dev->buf_pgid;
1017 #endif /* __NetBSD__ */
1020 if ( nr >= DRIVER_IOCTL_COUNT ) {
1023 ioctl = &DRM(ioctls)[nr];
1027 DRM_DEBUG( "no function\n" );
1029 } else if ( ( ioctl->root_only && DRM_SUSER(p) )
1030 || ( ioctl->auth_needed && !priv->authenticated ) ) {
1033 retcode = func(kdev, cmd, data, flags, p, (void *)DRM_CURRENTPID);
1037 return DRM_ERR(retcode);
1040 int DRM(lock)( DRM_IOCTL_ARGS )
1046 DRM_COPY_FROM_USER_IOCTL( lock, (drm_lock_t *)data, sizeof(lock) );
1048 if ( lock.context == DRM_KERNEL_CONTEXT ) {
1049 DRM_ERROR( "Process %d using kernel context %d\n",
1050 DRM_CURRENTPID, lock.context );
1051 return DRM_ERR(EINVAL);
1054 DRM_DEBUG( "%d (pid %d) requests lock (0x%08x), flags = 0x%08x\n",
1055 lock.context, DRM_CURRENTPID,
1056 dev->lock.hw_lock->lock, lock.flags );
1058 #if __HAVE_DMA_QUEUE
1059 if ( lock.context < 0 )
1060 return DRM_ERR(EINVAL);
1065 if ( !dev->lock.hw_lock ) {
1066 /* Device has been unregistered */
1070 if ( DRM(lock_take)( &dev->lock.hw_lock->lock,
1072 dev->lock.filp = (void *)DRM_CURRENTPID;
1073 dev->lock.lock_time = jiffies;
1074 atomic_inc( &dev->counts[_DRM_STAT_LOCKS] );
1075 break; /* Got lock */
1079 ret = tsleep((void *)&dev->lock.lock_queue,
1080 PCATCH, "drmlk2", 0);
1087 /* FIXME: Add signal blocking here */
1089 #if __HAVE_DMA_QUIESCENT
1090 if ( lock.flags & _DRM_LOCK_QUIESCENT ) {
1091 DRIVER_DMA_QUIESCENT();
1096 DRM_DEBUG( "%d %s\n", lock.context, ret ? "interrupted" : "has lock" );
1098 return DRM_ERR(ret);
1102 int DRM(unlock)( DRM_IOCTL_ARGS )
1107 DRM_COPY_FROM_USER_IOCTL( lock, (drm_lock_t *)data, sizeof(lock) ) ;
1109 if ( lock.context == DRM_KERNEL_CONTEXT ) {
1110 DRM_ERROR( "Process %d using kernel context %d\n",
1111 DRM_CURRENTPID, lock.context );
1112 return DRM_ERR(EINVAL);
1115 atomic_inc( &dev->counts[_DRM_STAT_UNLOCKS] );
1117 DRM(lock_transfer)( dev, &dev->lock.hw_lock->lock,
1118 DRM_KERNEL_CONTEXT );
1119 #if __HAVE_DMA_SCHEDULE
1120 DRM(dma_schedule)( dev, 1 );
1123 /* FIXME: Do we ever really need to check this?
1125 if ( 1 /* !dev->context_flag */ ) {
1126 if ( DRM(lock_free)( dev, &dev->lock.hw_lock->lock,
1127 DRM_KERNEL_CONTEXT ) ) {
1137 #include <sys/file2.h>
1138 #include <sys/mapped_ioctl.h>
1139 #include <sys/sysproto.h>
1140 #include <emulation/linux/linux_ioctl.h>
1142 MODULE_DEPEND(DRIVER_NAME, linux, 1, 1, 1);
1144 #define LINUX_IOCTL_DRM_MIN 0x6400
1145 #define LINUX_IOCTL_DRM_MAX 0x64ff
1147 static struct ioctl_map_range DRM(ioctl_cmds)[] = {
1148 MAPPED_IOCTL_MAPRANGE(LINUX_IOCTL_DRM_MIN, LINUX_IOCTL_DRM_MAX, LINUX_IOCTL_DRM_MIN,
1149 LINUX_IOCTL_DRM_MAX, NULL, linux_gen_dirmap),
1150 MAPPED_IOCTL_MAPF(0, 0, NULL)
1153 static struct ioctl_map_handler DRM(ioctl_handler) = {
1155 __XSTRING(DRM(linux)),
1159 SYSINIT(DRM(register), SI_SUB_KLD, SI_ORDER_MIDDLE,
1160 mapped_ioctl_register_handler, &DRM(ioctl_handler));
1161 SYSUNINIT(DRM(unregister), SI_SUB_KLD, SI_ORDER_MIDDLE,
1162 mapped_ioctl_unregister_handler, &DRM(ioctl_handler));
1164 #endif /* DRM_LINUX */