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-rw-r--r--sys/dev/drm/drm_drv.h1173
1 files changed, 1173 insertions, 0 deletions
diff --git a/sys/dev/drm/drm_drv.h b/sys/dev/drm/drm_drv.h
new file mode 100644
index 0000000..464a856
--- /dev/null
+++ b/sys/dev/drm/drm_drv.h
@@ -0,0 +1,1173 @@
+/* drm_drv.h -- Generic driver template -*- linux-c -*-
+ * Created: Thu Nov 23 03:10:50 2000 by gareth@valinux.com
+ *
+ * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Rickard E. (Rik) Faith <faith@valinux.com>
+ * Gareth Hughes <gareth@valinux.com>
+ *
+ * $FreeBSD$
+ */
+
+/*
+ * To use this template, you must at least define the following (samples
+ * given for the MGA driver):
+ *
+ * #define DRIVER_AUTHOR "VA Linux Systems, Inc."
+ *
+ * #define DRIVER_NAME "mga"
+ * #define DRIVER_DESC "Matrox G200/G400"
+ * #define DRIVER_DATE "20001127"
+ *
+ * #define DRIVER_MAJOR 2
+ * #define DRIVER_MINOR 0
+ * #define DRIVER_PATCHLEVEL 2
+ *
+ * #define DRIVER_IOCTL_COUNT DRM_ARRAY_SIZE( mga_ioctls )
+ *
+ * #define DRM(x) mga_##x
+ */
+
+#ifndef __MUST_HAVE_AGP
+#define __MUST_HAVE_AGP 0
+#endif
+#ifndef __HAVE_CTX_BITMAP
+#define __HAVE_CTX_BITMAP 0
+#endif
+#ifndef __HAVE_DMA_IRQ
+#define __HAVE_DMA_IRQ 0
+#endif
+#ifndef __HAVE_DMA_QUEUE
+#define __HAVE_DMA_QUEUE 0
+#endif
+#ifndef __HAVE_DMA_SCHEDULE
+#define __HAVE_DMA_SCHEDULE 0
+#endif
+#ifndef __HAVE_DMA_QUIESCENT
+#define __HAVE_DMA_QUIESCENT 0
+#endif
+#ifndef __HAVE_RELEASE
+#define __HAVE_RELEASE 0
+#endif
+#ifndef __HAVE_COUNTERS
+#define __HAVE_COUNTERS 0
+#endif
+#ifndef __HAVE_SG
+#define __HAVE_SG 0
+#endif
+
+#ifndef DRIVER_PREINIT
+#define DRIVER_PREINIT()
+#endif
+#ifndef DRIVER_POSTINIT
+#define DRIVER_POSTINIT()
+#endif
+#ifndef DRIVER_PRERELEASE
+#define DRIVER_PRERELEASE()
+#endif
+#ifndef DRIVER_PRETAKEDOWN
+#define DRIVER_PRETAKEDOWN()
+#endif
+#ifndef DRIVER_POSTCLEANUP
+#define DRIVER_POSTCLEANUP()
+#endif
+#ifndef DRIVER_PRESETUP
+#define DRIVER_PRESETUP()
+#endif
+#ifndef DRIVER_POSTSETUP
+#define DRIVER_POSTSETUP()
+#endif
+#ifndef DRIVER_IOCTLS
+#define DRIVER_IOCTLS
+#endif
+#ifndef DRIVER_FOPS
+#endif
+
+#if 1 && DRM_DEBUG_CODE
+int DRM(flags) = DRM_FLAG_DEBUG;
+#else
+int DRM(flags) = 0;
+#endif
+
+static int DRM(init)(device_t nbdev);
+static void DRM(cleanup)(device_t nbdev);
+
+#ifdef __FreeBSD__
+#define DRIVER_SOFTC(unit) \
+ ((drm_device_t *) devclass_get_softc(DRM(devclass), unit))
+
+#if __REALLY_HAVE_AGP
+MODULE_DEPEND(DRIVER_NAME, agp, 1, 1, 1);
+#endif
+#endif /* __FreeBSD__ */
+
+#ifdef __NetBSD__
+#define DRIVER_SOFTC(unit) \
+ ((drm_device_t *) device_lookup(&DRM(cd), unit))
+#endif /* __NetBSD__ */
+
+static drm_ioctl_desc_t DRM(ioctls)[] = {
+ [DRM_IOCTL_NR(DRM_IOCTL_VERSION)] = { DRM(version), 0, 0 },
+ [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)] = { DRM(getunique), 0, 0 },
+ [DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)] = { DRM(getmagic), 0, 0 },
+ [DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)] = { DRM(irq_busid), 0, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_GET_MAP)] = { DRM(getmap), 0, 0 },
+ [DRM_IOCTL_NR(DRM_IOCTL_GET_CLIENT)] = { DRM(getclient), 0, 0 },
+ [DRM_IOCTL_NR(DRM_IOCTL_GET_STATS)] = { DRM(getstats), 0, 0 },
+
+ [DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)] = { DRM(setunique), 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_BLOCK)] = { DRM(noop), 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)] = { DRM(noop), 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)] = { DRM(authmagic), 1, 1 },
+
+ [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)] = { DRM(addmap), 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_RM_MAP)] = { DRM(rmmap), 1, 0 },
+
+#if __HAVE_CTX_BITMAP
+ [DRM_IOCTL_NR(DRM_IOCTL_SET_SAREA_CTX)] = { DRM(setsareactx), 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_GET_SAREA_CTX)] = { DRM(getsareactx), 1, 0 },
+#endif
+
+ [DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = { DRM(addctx), 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = { DRM(rmctx), 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = { DRM(modctx), 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = { DRM(getctx), 1, 0 },
+ [DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = { DRM(switchctx), 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)] = { DRM(newctx), 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)] = { DRM(resctx), 1, 0 },
+
+ [DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)] = { DRM(adddraw), 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)] = { DRM(rmdraw), 1, 1 },
+
+ [DRM_IOCTL_NR(DRM_IOCTL_LOCK)] = { DRM(lock), 1, 0 },
+ [DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = { DRM(unlock), 1, 0 },
+ [DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = { DRM(noop), 1, 0 },
+
+#if __HAVE_DMA
+ [DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS)] = { DRM(addbufs), 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS)] = { DRM(markbufs), 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS)] = { DRM(infobufs), 1, 0 },
+ [DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS)] = { DRM(mapbufs), 1, 0 },
+ [DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS)] = { DRM(freebufs), 1, 0 },
+
+ /* The DRM_IOCTL_DMA ioctl should be defined by the driver.
+ */
+ [DRM_IOCTL_NR(DRM_IOCTL_CONTROL)] = { DRM(control), 1, 1 },
+#endif
+
+#if __REALLY_HAVE_AGP
+ [DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = { DRM(agp_acquire), 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = { DRM(agp_release), 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = { DRM(agp_enable), 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)] = { DRM(agp_info), 1, 0 },
+ [DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC)] = { DRM(agp_alloc), 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE)] = { DRM(agp_free), 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)] = { DRM(agp_bind), 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)] = { DRM(agp_unbind), 1, 1 },
+#endif
+
+#if __HAVE_SG
+ [DRM_IOCTL_NR(DRM_IOCTL_SG_ALLOC)] = { DRM(sg_alloc), 1, 1 },
+ [DRM_IOCTL_NR(DRM_IOCTL_SG_FREE)] = { DRM(sg_free), 1, 1 },
+#endif
+
+#if __HAVE_VBL_IRQ
+ [DRM_IOCTL_NR(DRM_IOCTL_WAIT_VBLANK)] = { DRM(wait_vblank), 0, 0 },
+#endif
+
+ DRIVER_IOCTLS
+};
+
+#define DRIVER_IOCTL_COUNT DRM_ARRAY_SIZE( DRM(ioctls) )
+
+const char *DRM(find_description)(int vendor, int device);
+
+#ifdef __FreeBSD__
+static struct cdevsw DRM(cdevsw) = {
+ .d_open = DRM( open ),
+ .d_close = DRM( close ),
+ .d_read = DRM( read ),
+ .d_ioctl = DRM( ioctl ),
+ .d_poll = DRM( poll ),
+ .d_mmap = DRM( mmap ),
+ .d_name = DRIVER_NAME,
+ .d_maj = CDEV_MAJOR,
+ .d_flags = D_TTY | D_TRACKCLOSE,
+#if __FreeBSD_version < 500000
+ .d_bmaj = -1
+#endif
+};
+
+static int DRM(probe)(device_t dev)
+{
+ const char *s = NULL;
+
+ int pciid=pci_get_devid(dev);
+ int vendor = (pciid & 0x0000ffff);
+ int device = (pciid & 0xffff0000) >> 16;
+
+ s = DRM(find_description)(vendor, device);
+ if (s) {
+ device_set_desc(dev, s);
+ return 0;
+ }
+
+ return ENXIO;
+}
+
+static int DRM(attach)(device_t dev)
+{
+ return DRM(init)(dev);
+}
+
+static int DRM(detach)(device_t dev)
+{
+ DRM(cleanup)(dev);
+ return 0;
+}
+static device_method_t DRM(methods)[] = {
+ /* Device interface */
+ DEVMETHOD(device_probe, DRM( probe)),
+ DEVMETHOD(device_attach, DRM( attach)),
+ DEVMETHOD(device_detach, DRM( detach)),
+
+ { 0, 0 }
+};
+
+static driver_t DRM(driver) = {
+ "drm",
+ DRM(methods),
+ sizeof(drm_device_t),
+};
+
+static devclass_t DRM(devclass);
+
+#elif defined(__NetBSD__)
+
+static struct cdevsw DRM(cdevsw) = {
+ DRM(open),
+ DRM(close),
+ DRM(read),
+ nowrite,
+ DRM(ioctl),
+ nostop,
+ notty,
+ DRM(poll),
+ DRM(mmap),
+ nokqfilter,
+ D_TTY
+};
+
+int DRM(refcnt) = 0;
+#if __NetBSD_Version__ >= 106080000
+MOD_DEV( DRIVER_NAME, DRIVER_NAME, NULL, -1, &DRM(cdevsw), CDEV_MAJOR);
+#else
+MOD_DEV( DRIVER_NAME, LM_DT_CHAR, CDEV_MAJOR, &DRM(cdevsw) );
+#endif
+
+int DRM(lkmentry)(struct lkm_table *lkmtp, int cmd, int ver);
+static int DRM(lkmhandle)(struct lkm_table *lkmtp, int cmd);
+
+int DRM(modprobe)();
+int DRM(probe)(struct pci_attach_args *pa);
+void DRM(attach)(struct pci_attach_args *pa, dev_t kdev);
+
+int DRM(lkmentry)(struct lkm_table *lkmtp, int cmd, int ver) {
+ DISPATCH(lkmtp, cmd, ver, DRM(lkmhandle), DRM(lkmhandle), DRM(lkmhandle));
+}
+
+static int DRM(lkmhandle)(struct lkm_table *lkmtp, int cmd)
+{
+ int j, error = 0;
+#if defined(__NetBSD__) && (__NetBSD_Version__ > 106080000)
+ struct lkm_dev *args = lkmtp->private.lkm_dev;
+#endif
+
+ switch(cmd) {
+ case LKM_E_LOAD:
+ if (lkmexists(lkmtp))
+ return EEXIST;
+
+ if(DRM(modprobe)())
+ return 0;
+
+ return 1;
+
+ case LKM_E_UNLOAD:
+ if (DRM(refcnt) > 0)
+ return (EBUSY);
+ break;
+ case LKM_E_STAT:
+ break;
+
+ default:
+ error = EIO;
+ break;
+ }
+
+ return error;
+}
+
+int DRM(modprobe)() {
+ struct pci_attach_args pa;
+ int error = 0;
+ if((error = pci_find_device(&pa, DRM(probe))) != 0)
+ DRM(attach)(&pa, 0);
+
+ return error;
+}
+
+int DRM(probe)(struct pci_attach_args *pa)
+{
+ const char *desc;
+
+ desc = DRM(find_description)(PCI_VENDOR(pa->pa_id), PCI_PRODUCT(pa->pa_id));
+ if (desc != NULL) {
+ return 1;
+ }
+
+ return 0;
+}
+
+void DRM(attach)(struct pci_attach_args *pa, dev_t kdev)
+{
+ int i;
+ drm_device_t *dev;
+
+ config_makeroom(kdev, &DRM(cd));
+ DRM(cd).cd_devs[(kdev)] = DRM(alloc)(sizeof(drm_device_t),
+ DRM_MEM_DRIVER);
+ dev = DRIVER_SOFTC(kdev);
+
+ memset(dev, 0, sizeof(drm_device_t));
+ memcpy(&dev->pa, pa, sizeof(dev->pa));
+
+ DRM_INFO("%s", DRM(find_description)(PCI_VENDOR(pa->pa_id), PCI_PRODUCT(pa->pa_id)));
+ DRM(init)(dev);
+}
+
+int DRM(detach)(struct device *self, int flags)
+{
+ DRM(cleanup)((drm_device_t *)self);
+ return 0;
+}
+
+int DRM(activate)(struct device *self, enum devact act)
+{
+ switch (act) {
+ case DVACT_ACTIVATE:
+ return (EOPNOTSUPP);
+ break;
+
+ case DVACT_DEACTIVATE:
+ /* FIXME */
+ break;
+ }
+ return (0);
+}
+#endif /* __NetBSD__ */
+
+const char *DRM(find_description)(int vendor, int device) {
+ const char *s = NULL;
+ int i=0, done=0;
+
+ while ( !done && (DRM(devicelist)[i].vendor != 0 ) ) {
+ if ( (DRM(devicelist)[i].vendor == vendor) &&
+ (DRM(devicelist)[i].device == device) ) {
+ done=1;
+ if ( DRM(devicelist)[i].supported )
+ s = DRM(devicelist)[i].name;
+ else
+ DRM_INFO("%s not supported\n", DRM(devicelist)[i].name);
+ }
+ i++;
+ }
+ return s;
+}
+
+static int DRM(setup)( drm_device_t *dev )
+{
+ int i;
+
+ DRIVER_PRESETUP();
+ dev->buf_use = 0;
+ dev->buf_alloc = 0;
+
+#if __HAVE_DMA
+ i = DRM(dma_setup)( dev );
+ if ( i < 0 )
+ return i;
+#endif
+
+ dev->counters = 6 + __HAVE_COUNTERS;
+ dev->types[0] = _DRM_STAT_LOCK;
+ dev->types[1] = _DRM_STAT_OPENS;
+ dev->types[2] = _DRM_STAT_CLOSES;
+ dev->types[3] = _DRM_STAT_IOCTLS;
+ dev->types[4] = _DRM_STAT_LOCKS;
+ dev->types[5] = _DRM_STAT_UNLOCKS;
+#ifdef __HAVE_COUNTER6
+ dev->types[6] = __HAVE_COUNTER6;
+#endif
+#ifdef __HAVE_COUNTER7
+ dev->types[7] = __HAVE_COUNTER7;
+#endif
+#ifdef __HAVE_COUNTER8
+ dev->types[8] = __HAVE_COUNTER8;
+#endif
+#ifdef __HAVE_COUNTER9
+ dev->types[9] = __HAVE_COUNTER9;
+#endif
+#ifdef __HAVE_COUNTER10
+ dev->types[10] = __HAVE_COUNTER10;
+#endif
+#ifdef __HAVE_COUNTER11
+ dev->types[11] = __HAVE_COUNTER11;
+#endif
+#ifdef __HAVE_COUNTER12
+ dev->types[12] = __HAVE_COUNTER12;
+#endif
+#ifdef __HAVE_COUNTER13
+ dev->types[13] = __HAVE_COUNTER13;
+#endif
+#ifdef __HAVE_COUNTER14
+ dev->types[14] = __HAVE_COUNTER14;
+#endif
+#ifdef __HAVE_COUNTER15
+ dev->types[14] = __HAVE_COUNTER14;
+#endif
+
+ for ( i = 0 ; i < DRM_ARRAY_SIZE(dev->counts) ; i++ )
+ atomic_set( &dev->counts[i], 0 );
+
+ for ( i = 0 ; i < DRM_HASH_SIZE ; i++ ) {
+ dev->magiclist[i].head = NULL;
+ dev->magiclist[i].tail = NULL;
+ }
+
+ dev->maplist = DRM(alloc)(sizeof(*dev->maplist),
+ DRM_MEM_MAPS);
+ if(dev->maplist == NULL) return DRM_ERR(ENOMEM);
+ memset(dev->maplist, 0, sizeof(*dev->maplist));
+ TAILQ_INIT(dev->maplist);
+
+ dev->lock.hw_lock = NULL;
+ dev->lock.lock_queue = 0;
+ dev->irq = 0;
+ dev->context_flag = 0;
+ dev->last_context = 0;
+#if __FreeBSD_version >= 500000
+ callout_init( &dev->timer, 1 );
+#else
+ callout_init( &dev->timer );
+#endif
+
+#ifdef __FreeBSD__
+ dev->buf_sigio = NULL;
+#elif defined(__NetBSD__)
+ dev->buf_pgid = 0;
+#endif
+
+ DRM_DEBUG( "\n" );
+
+ DRIVER_POSTSETUP();
+ return 0;
+}
+
+
+static int DRM(takedown)( drm_device_t *dev )
+{
+ drm_magic_entry_t *pt, *next;
+ drm_local_map_t *map;
+ drm_map_list_entry_t *list;
+ int i;
+
+ DRM_DEBUG( "\n" );
+
+ DRIVER_PRETAKEDOWN();
+#if __HAVE_DMA_IRQ
+ if ( dev->irq ) DRM(irq_uninstall)( dev );
+#endif
+
+ DRM_LOCK;
+ callout_stop( &dev->timer );
+
+ if ( dev->unique ) {
+ DRM(free)( dev->unique, strlen( dev->unique ) + 1,
+ DRM_MEM_DRIVER );
+ dev->unique = NULL;
+ dev->unique_len = 0;
+ }
+ /* Clear pid list */
+ for ( i = 0 ; i < DRM_HASH_SIZE ; i++ ) {
+ for ( pt = dev->magiclist[i].head ; pt ; pt = next ) {
+ next = pt->next;
+ DRM(free)( pt, sizeof(*pt), DRM_MEM_MAGIC );
+ }
+ dev->magiclist[i].head = dev->magiclist[i].tail = NULL;
+ }
+
+#if __REALLY_HAVE_AGP
+ /* Clear AGP information */
+ if ( dev->agp ) {
+ drm_agp_mem_t *entry;
+ drm_agp_mem_t *nexte;
+
+ /* Remove AGP resources, but leave dev->agp
+ intact until drv_cleanup is called. */
+ for ( entry = dev->agp->memory ; entry ; entry = nexte ) {
+ nexte = entry->next;
+ if ( entry->bound ) DRM(unbind_agp)( entry->handle );
+ DRM(free_agp)( entry->handle, entry->pages );
+ DRM(free)( entry, sizeof(*entry), DRM_MEM_AGPLISTS );
+ }
+ dev->agp->memory = NULL;
+
+ if ( dev->agp->acquired ) DRM(agp_do_release)();
+
+ dev->agp->acquired = 0;
+ dev->agp->enabled = 0;
+ }
+#endif
+
+ if( dev->maplist ) {
+ while ((list=TAILQ_FIRST(dev->maplist))) {
+ map = list->map;
+ switch ( map->type ) {
+ case _DRM_REGISTERS:
+ case _DRM_FRAME_BUFFER:
+#if __REALLY_HAVE_MTRR
+ if ( map->mtrr >= 0 ) {
+ int retcode;
+#ifdef __FreeBSD__
+ int act;
+ struct mem_range_desc mrdesc;
+ mrdesc.mr_base = map->offset;
+ mrdesc.mr_len = map->size;
+ mrdesc.mr_flags = MDF_WRITECOMBINE;
+ act = MEMRANGE_SET_UPDATE;
+ bcopy(DRIVER_NAME, &mrdesc.mr_owner, strlen(DRIVER_NAME));
+ retcode = mem_range_attr_set(&mrdesc, &act);
+ map->mtrr=1;
+#elif defined __NetBSD__
+ struct mtrr mtrrmap;
+ int one = 1;
+ mtrrmap.base = map->offset;
+ mtrrmap.len = map->size;
+ mtrrmap.type = MTRR_TYPE_WC;
+ mtrrmap.flags = 0;
+ retcode = mtrr_set( &mtrrmap, &one,
+ DRM_CURPROC, MTRR_GETSET_KERNEL);
+#endif
+ DRM_DEBUG( "mtrr_del=%d\n", retcode );
+ }
+#endif
+ DRM(ioremapfree)( map );
+ break;
+ case _DRM_SHM:
+ DRM(free)(map->handle,
+ map->size,
+ DRM_MEM_SAREA);
+ break;
+
+ case _DRM_AGP:
+ /* Do nothing here, because this is all
+ * handled in the AGP/GART driver.
+ */
+ break;
+ case _DRM_SCATTER_GATHER:
+ /* Handle it, but do nothing, if REALLY_HAVE_SG
+ * isn't defined.
+ */
+#if __REALLY_HAVE_SG
+ if(dev->sg) {
+ DRM(sg_cleanup)(dev->sg);
+ dev->sg = NULL;
+ }
+#endif
+ break;
+ }
+ TAILQ_REMOVE(dev->maplist, list, link);
+ DRM(free)(list, sizeof(*list), DRM_MEM_MAPS);
+ DRM(free)(map, sizeof(*map), DRM_MEM_MAPS);
+ }
+ DRM(free)(dev->maplist, sizeof(*dev->maplist), DRM_MEM_MAPS);
+ dev->maplist = NULL;
+ }
+
+#if __HAVE_DMA
+ DRM(dma_takedown)( dev );
+#endif
+ if ( dev->lock.hw_lock ) {
+ dev->lock.hw_lock = NULL; /* SHM removed */
+ dev->lock.filp = NULL;
+ DRM_WAKEUP_INT((void *)&dev->lock.lock_queue);
+ }
+ DRM_UNLOCK;
+
+ return 0;
+}
+
+/* linux: drm_init is called via init_module at module load time, or via
+ * linux/init/main.c (this is not currently supported).
+ * bsd: drm_init is called via the attach function per device.
+ */
+static int DRM(init)( device_t nbdev )
+{
+ int unit;
+#ifdef __FreeBSD__
+ drm_device_t *dev;
+#elif defined(__NetBSD__)
+ drm_device_t *dev = nbdev;
+#endif
+#if __HAVE_CTX_BITMAP
+ int retcode;
+#endif
+ DRM_DEBUG( "\n" );
+ DRIVER_PREINIT();
+
+#ifdef __FreeBSD__
+ unit = device_get_unit(nbdev);
+ dev = device_get_softc(nbdev);
+ memset( (void *)dev, 0, sizeof(*dev) );
+ dev->device = nbdev;
+ dev->devnode = make_dev( &DRM(cdevsw),
+ unit,
+ DRM_DEV_UID,
+ DRM_DEV_GID,
+ DRM_DEV_MODE,
+ "dri/card%d", unit );
+#elif defined(__NetBSD__)
+ unit = minor(dev->device.dv_unit);
+#endif
+ DRM_SPININIT(dev->count_lock, "drm device");
+ lockinit(&dev->dev_lock, PZERO, "drmlk", 0, 0);
+ dev->name = DRIVER_NAME;
+ DRM(mem_init)();
+ DRM(sysctl_init)(dev);
+ TAILQ_INIT(&dev->files);
+
+#if __REALLY_HAVE_AGP
+ dev->agp = DRM(agp_init)();
+#if __MUST_HAVE_AGP
+ if ( dev->agp == NULL ) {
+ DRM_ERROR( "Cannot initialize the agpgart module.\n" );
+ DRM(sysctl_cleanup)( dev );
+#ifdef __FreeBSD__
+ destroy_dev(dev->devnode);
+#endif
+ DRM(takedown)( dev );
+ return DRM_ERR(ENOMEM);
+ }
+#endif /* __MUST_HAVE_AGP */
+#if __REALLY_HAVE_MTRR
+ if (dev->agp) {
+#ifdef __FreeBSD__
+ int retcode = 0, act;
+ struct mem_range_desc mrdesc;
+ mrdesc.mr_base = dev->agp->info.ai_aperture_base;
+ mrdesc.mr_len = dev->agp->info.ai_aperture_size;
+ mrdesc.mr_flags = MDF_WRITECOMBINE;
+ act = MEMRANGE_SET_UPDATE;
+ bcopy(DRIVER_NAME, &mrdesc.mr_owner, strlen(DRIVER_NAME));
+ retcode = mem_range_attr_set(&mrdesc, &act);
+ dev->agp->agp_mtrr=1;
+#elif defined __NetBSD__
+ struct mtrr mtrrmap;
+ int one = 1;
+ mtrrmap.base = dev->agp->info.ai_aperture_base;
+ mtrrmap.len = dev->agp->info.ai_aperture_size;
+ mtrrmap.type = MTRR_TYPE_WC;
+ mtrrmap.flags = MTRR_VALID;
+ dev->agp->agp_mtrr = mtrr_set( &mtrrmap, &one, NULL, MTRR_GETSET_KERNEL);
+#endif /* __NetBSD__ */
+ }
+#endif /* __REALLY_HAVE_MTRR */
+#endif /* __REALLY_HAVE_AGP */
+
+#if __HAVE_CTX_BITMAP
+ retcode = DRM(ctxbitmap_init)( dev );
+ if( retcode ) {
+ DRM_ERROR( "Cannot allocate memory for context bitmap.\n" );
+ DRM(sysctl_cleanup)( dev );
+#ifdef __FreeBSD__
+ destroy_dev(dev->devnode);
+#endif
+ DRM(takedown)( dev );
+ return retcode;
+ }
+#endif
+ DRM_INFO( "Initialized %s %d.%d.%d %s on minor %d\n",
+ DRIVER_NAME,
+ DRIVER_MAJOR,
+ DRIVER_MINOR,
+ DRIVER_PATCHLEVEL,
+ DRIVER_DATE,
+ unit );
+
+ DRIVER_POSTINIT();
+
+ return 0;
+}
+
+/* linux: drm_cleanup is called via cleanup_module at module unload time.
+ * bsd: drm_cleanup is called per device at module unload time.
+ * FIXME: NetBSD
+ */
+static void DRM(cleanup)(device_t nbdev)
+{
+ drm_device_t *dev;
+#ifdef __NetBSD__
+#if __REALLY_HAVE_MTRR
+ struct mtrr mtrrmap;
+ int one = 1;
+#endif /* __REALLY_HAVE_MTRR */
+ dev = nbdev;
+#endif /* __NetBSD__ */
+
+ DRM_DEBUG( "\n" );
+
+#ifdef __FreeBSD__
+ dev = device_get_softc(nbdev);
+#endif
+ DRM(sysctl_cleanup)( dev );
+#ifdef __FreeBSD__
+ destroy_dev(dev->devnode);
+#endif
+#if __HAVE_CTX_BITMAP
+ DRM(ctxbitmap_cleanup)( dev );
+#endif
+
+#if __REALLY_HAVE_AGP && __REALLY_HAVE_MTRR
+ if ( dev->agp && dev->agp->agp_mtrr >= 0) {
+#if defined(__NetBSD__)
+ mtrrmap.base = dev->agp->info.ai_aperture_base;
+ mtrrmap.len = dev->agp->info.ai_aperture_size;
+ mtrrmap.type = 0;
+ mtrrmap.flags = 0;
+ mtrr_set( &mtrrmap, &one, NULL, MTRR_GETSET_KERNEL);
+#endif
+ }
+#endif
+
+ DRM(takedown)( dev );
+
+#if __REALLY_HAVE_AGP
+ if ( dev->agp ) {
+ DRM(agp_uninit)();
+ DRM(free)( dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS );
+ dev->agp = NULL;
+ }
+#endif
+ DRIVER_POSTCLEANUP();
+ DRM(mem_uninit)();
+ DRM_SPINUNINIT(dev->count_lock);
+}
+
+
+int DRM(version)( DRM_IOCTL_ARGS )
+{
+ drm_version_t version;
+ int len;
+
+ DRM_COPY_FROM_USER_IOCTL( version, (drm_version_t *)data, sizeof(version) );
+
+#define DRM_COPY( name, value ) \
+ len = strlen( value ); \
+ if ( len > name##_len ) len = name##_len; \
+ name##_len = strlen( value ); \
+ if ( len && name ) { \
+ if ( DRM_COPY_TO_USER( name, value, len ) ) \
+ return DRM_ERR(EFAULT); \
+ }
+
+ version.version_major = DRIVER_MAJOR;
+ version.version_minor = DRIVER_MINOR;
+ version.version_patchlevel = DRIVER_PATCHLEVEL;
+
+ DRM_COPY( version.name, DRIVER_NAME );
+ DRM_COPY( version.date, DRIVER_DATE );
+ DRM_COPY( version.desc, DRIVER_DESC );
+
+ DRM_COPY_TO_USER_IOCTL( (drm_version_t *)data, version, sizeof(version) );
+
+ return 0;
+}
+
+int DRM(open)(dev_t kdev, int flags, int fmt, DRM_STRUCTPROC *p)
+{
+ drm_device_t *dev = NULL;
+ int retcode = 0;
+
+ dev = DRIVER_SOFTC(minor(kdev));
+
+ DRM_DEBUG( "open_count = %d\n", dev->open_count );
+
+ retcode = DRM(open_helper)(kdev, flags, fmt, p, dev);
+
+ if ( !retcode ) {
+ atomic_inc( &dev->counts[_DRM_STAT_OPENS] );
+ DRM_SPINLOCK( &dev->count_lock );
+#ifdef __FreeBSD__
+ device_busy(dev->device);
+#endif
+ if ( !dev->open_count++ )
+ retcode = DRM(setup)( dev );
+ DRM_SPINUNLOCK( &dev->count_lock );
+ }
+
+ return retcode;
+}
+
+int DRM(close)(dev_t kdev, int flags, int fmt, DRM_STRUCTPROC *p)
+{
+ drm_file_t *priv;
+ DRM_DEVICE;
+ int retcode = 0;
+ DRMFILE __unused filp = (void *)(DRM_CURRENTPID);
+
+ DRM_DEBUG( "open_count = %d\n", dev->open_count );
+ priv = DRM(find_file_by_proc)(dev, p);
+ if (!priv) {
+ DRM_DEBUG("can't find authenticator\n");
+ return EINVAL;
+ }
+
+ DRIVER_PRERELEASE();
+
+ /* ========================================================
+ * Begin inline drm_release
+ */
+
+#ifdef __FreeBSD__
+ DRM_DEBUG( "pid = %d, device = 0x%lx, open_count = %d\n",
+ DRM_CURRENTPID, (long)dev->device, dev->open_count );
+#elif defined(__NetBSD__)
+ DRM_DEBUG( "pid = %d, device = 0x%lx, open_count = %d\n",
+ DRM_CURRENTPID, (long)&dev->device, dev->open_count);
+#endif
+
+ if (dev->lock.hw_lock && _DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)
+ && dev->lock.filp == (void *)DRM_CURRENTPID) {
+ DRM_DEBUG("Process %d dead, freeing lock for context %d\n",
+ DRM_CURRENTPID,
+ _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock));
+#if HAVE_DRIVER_RELEASE
+ DRIVER_RELEASE();
+#endif
+ DRM(lock_free)(dev,
+ &dev->lock.hw_lock->lock,
+ _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock));
+
+ /* FIXME: may require heavy-handed reset of
+ hardware at this point, possibly
+ processed via a callback to the X
+ server. */
+ }
+#if __HAVE_RELEASE
+ else if ( dev->lock.hw_lock ) {
+ /* The lock is required to reclaim buffers */
+ for (;;) {
+ if ( !dev->lock.hw_lock ) {
+ /* Device has been unregistered */
+ retcode = DRM_ERR(EINTR);
+ break;
+ }
+ if ( DRM(lock_take)( &dev->lock.hw_lock->lock,
+ DRM_KERNEL_CONTEXT ) ) {
+ dev->lock.pid = DRM_CURRENTPID;
+ dev->lock.lock_time = jiffies;
+ atomic_inc( &dev->counts[_DRM_STAT_LOCKS] );
+ break; /* Got lock */
+ }
+ /* Contention */
+#if 0
+ atomic_inc( &dev->total_sleeps );
+#endif
+ retcode = tsleep((void *)&dev->lock.lock_queue,
+ PZERO|PCATCH,
+ "drmlk2",
+ 0);
+ if (retcode)
+ break;
+ }
+ if( !retcode ) {
+ DRIVER_RELEASE();
+ DRM(lock_free)( dev, &dev->lock.hw_lock->lock,
+ DRM_KERNEL_CONTEXT );
+ }
+ }
+#elif __HAVE_DMA
+ DRM(reclaim_buffers)( dev, (void *)priv->pid );
+#endif
+
+#if defined (__FreeBSD__) && (__FreeBSD_version >= 500000)
+ funsetown(&dev->buf_sigio);
+#elif defined(__FreeBSD__)
+ funsetown(dev->buf_sigio);
+#elif defined(__NetBSD__)
+ dev->buf_pgid = 0;
+#endif /* __NetBSD__ */
+
+ DRM_LOCK;
+ priv = DRM(find_file_by_proc)(dev, p);
+ if (priv) {
+ priv->refs--;
+ if (!priv->refs) {
+ TAILQ_REMOVE(&dev->files, priv, link);
+ DRM(free)( priv, sizeof(*priv), DRM_MEM_FILES );
+ }
+ }
+ DRM_UNLOCK;
+
+
+ /* ========================================================
+ * End inline drm_release
+ */
+
+ atomic_inc( &dev->counts[_DRM_STAT_CLOSES] );
+ DRM_SPINLOCK( &dev->count_lock );
+#ifdef __FreeBSD__
+ device_unbusy(dev->device);
+#endif
+ if ( !--dev->open_count ) {
+ DRM_SPINUNLOCK( &dev->count_lock );
+ return DRM(takedown)( dev );
+ }
+ DRM_SPINUNLOCK( &dev->count_lock );
+
+ return retcode;
+}
+
+/* DRM(ioctl) is called whenever a process performs an ioctl on /dev/drm.
+ */
+int DRM(ioctl)(dev_t kdev, u_long cmd, caddr_t data, int flags,
+ DRM_STRUCTPROC *p)
+{
+ DRM_DEVICE;
+ int retcode = 0;
+ drm_ioctl_desc_t *ioctl;
+ int (*func)(DRM_IOCTL_ARGS);
+ int nr = DRM_IOCTL_NR(cmd);
+ DRM_PRIV;
+
+ atomic_inc( &dev->counts[_DRM_STAT_IOCTLS] );
+ ++priv->ioctl_count;
+
+#ifdef __FreeBSD__
+ DRM_DEBUG( "pid=%d, cmd=0x%02lx, nr=0x%02x, dev 0x%lx, auth=%d\n",
+ DRM_CURRENTPID, cmd, nr, (long)dev->device, priv->authenticated );
+#elif defined(__NetBSD__)
+ DRM_DEBUG( "pid=%d, cmd=0x%02lx, nr=0x%02x, dev 0x%lx, auth=%d\n",
+ DRM_CURRENTPID, cmd, nr, (long)&dev->device, priv->authenticated );
+#endif
+
+ switch (cmd) {
+ case FIONBIO:
+ return 0;
+
+ case FIOASYNC:
+ dev->flags |= FASYNC;
+ return 0;
+
+#ifdef __FreeBSD__
+ case FIOSETOWN:
+ return fsetown(*(int *)data, &dev->buf_sigio);
+
+ case FIOGETOWN:
+#if (__FreeBSD_version >= 500000)
+ *(int *) data = fgetown(&dev->buf_sigio);
+#else
+ *(int *) data = fgetown(dev->buf_sigio);
+#endif
+ return 0;
+#endif /* __FreeBSD__ */
+#ifdef __NetBSD__
+ case TIOCSPGRP:
+ dev->buf_pgid = *(int *)data;
+ return 0;
+
+ case TIOCGPGRP:
+ *(int *)data = dev->buf_pgid;
+ return 0;
+#endif /* __NetBSD__ */
+ }
+
+ if ( nr >= DRIVER_IOCTL_COUNT ) {
+ retcode = EINVAL;
+ } else {
+ ioctl = &DRM(ioctls)[nr];
+ func = ioctl->func;
+
+ if ( !func ) {
+ DRM_DEBUG( "no function\n" );
+ retcode = EINVAL;
+ } else if ( ( ioctl->root_only && DRM_SUSER(p) )
+ || ( ioctl->auth_needed && !priv->authenticated ) ) {
+ retcode = EACCES;
+ } else {
+ retcode = func(kdev, cmd, data, flags, p, (void *)DRM_CURRENTPID);
+ }
+ }
+
+ return DRM_ERR(retcode);
+}
+
+int DRM(lock)( DRM_IOCTL_ARGS )
+{
+ DRM_DEVICE;
+ drm_lock_t lock;
+ int ret = 0;
+
+ DRM_COPY_FROM_USER_IOCTL( lock, (drm_lock_t *)data, sizeof(lock) );
+
+ if ( lock.context == DRM_KERNEL_CONTEXT ) {
+ DRM_ERROR( "Process %d using kernel context %d\n",
+ DRM_CURRENTPID, lock.context );
+ return DRM_ERR(EINVAL);
+ }
+
+ DRM_DEBUG( "%d (pid %d) requests lock (0x%08x), flags = 0x%08x\n",
+ lock.context, DRM_CURRENTPID,
+ dev->lock.hw_lock->lock, lock.flags );
+
+#if __HAVE_DMA_QUEUE
+ if ( lock.context < 0 )
+ return DRM_ERR(EINVAL);
+#endif
+
+ if ( !ret ) {
+ for (;;) {
+ if ( !dev->lock.hw_lock ) {
+ /* Device has been unregistered */
+ ret = EINTR;
+ break;
+ }
+ if ( DRM(lock_take)( &dev->lock.hw_lock->lock,
+ lock.context ) ) {
+ dev->lock.filp = (void *)DRM_CURRENTPID;
+ dev->lock.lock_time = jiffies;
+ atomic_inc( &dev->counts[_DRM_STAT_LOCKS] );
+ break; /* Got lock */
+ }
+
+ /* Contention */
+ ret = tsleep((void *)&dev->lock.lock_queue,
+ PZERO|PCATCH,
+ "drmlk2",
+ 0);
+ if (ret)
+ break;
+ }
+ }
+
+ if ( !ret ) {
+ /* FIXME: Add signal blocking here */
+
+#if __HAVE_DMA_QUIESCENT
+ if ( lock.flags & _DRM_LOCK_QUIESCENT ) {
+ DRIVER_DMA_QUIESCENT();
+ }
+#endif
+ }
+
+ DRM_DEBUG( "%d %s\n", lock.context, ret ? "interrupted" : "has lock" );
+
+ return DRM_ERR(ret);
+}
+
+
+int DRM(unlock)( DRM_IOCTL_ARGS )
+{
+ DRM_DEVICE;
+ drm_lock_t lock;
+
+ DRM_COPY_FROM_USER_IOCTL( lock, (drm_lock_t *)data, sizeof(lock) ) ;
+
+ if ( lock.context == DRM_KERNEL_CONTEXT ) {
+ DRM_ERROR( "Process %d using kernel context %d\n",
+ DRM_CURRENTPID, lock.context );
+ return DRM_ERR(EINVAL);
+ }
+
+ atomic_inc( &dev->counts[_DRM_STAT_UNLOCKS] );
+
+ DRM(lock_transfer)( dev, &dev->lock.hw_lock->lock,
+ DRM_KERNEL_CONTEXT );
+#if __HAVE_DMA_SCHEDULE
+ DRM(dma_schedule)( dev, 1 );
+#endif
+
+ /* FIXME: Do we ever really need to check this?
+ */
+ if ( 1 /* !dev->context_flag */ ) {
+ if ( DRM(lock_free)( dev, &dev->lock.hw_lock->lock,
+ DRM_KERNEL_CONTEXT ) ) {
+ DRM_ERROR( "\n" );
+ }
+ }
+
+ return 0;
+}
+
+#if DRM_LINUX
+
+#include <sys/sysproto.h>
+
+MODULE_DEPEND(DRIVER_NAME, linux, 1, 1, 1);
+
+#define LINUX_IOCTL_DRM_MIN 0x6400
+#define LINUX_IOCTL_DRM_MAX 0x64ff
+
+static linux_ioctl_function_t DRM(linux_ioctl);
+static struct linux_ioctl_handler DRM(handler) = {DRM(linux_ioctl),
+ LINUX_IOCTL_DRM_MIN, LINUX_IOCTL_DRM_MAX};
+
+SYSINIT(DRM(register), SI_SUB_KLD, SI_ORDER_MIDDLE,
+ linux_ioctl_register_handler, &DRM(handler));
+SYSUNINIT(DRM(unregister), SI_SUB_KLD, SI_ORDER_MIDDLE,
+ linux_ioctl_unregister_handler, &DRM(handler));
+
+/* The bits for in/out are switched on Linux */
+#define LINUX_IOC_IN IOC_OUT
+#define LINUX_IOC_OUT IOC_IN
+
+static int
+DRM(linux_ioctl)(DRM_STRUCTPROC *p, struct linux_ioctl_args* args)
+{
+ int error;
+ int cmd = args->cmd;
+
+ args->cmd &= ~(LINUX_IOC_IN | LINUX_IOC_OUT);
+ if (cmd & LINUX_IOC_IN)
+ args->cmd |= IOC_IN;
+ if (cmd & LINUX_IOC_OUT)
+ args->cmd |= IOC_OUT;
+
+ error = ioctl(p, (struct ioctl_args *)args);
+
+ return error;
+}
+#endif /* DRM_LINUX */
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