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-rw-r--r--nx-X11/extras/drm/linux/drm_drv.h1127
1 files changed, 0 insertions, 1127 deletions
diff --git a/nx-X11/extras/drm/linux/drm_drv.h b/nx-X11/extras/drm/linux/drm_drv.h
deleted file mode 100644
index 7bb87726c..000000000
--- a/nx-X11/extras/drm/linux/drm_drv.h
+++ /dev/null
@@ -1,1127 +0,0 @@
-/**
- * \file drm_drv.h
- * Generic driver template
- *
- * \author Rickard E. (Rik) Faith <faith@valinux.com>
- * \author Gareth Hughes <gareth@valinux.com>
- *
- * To use this template, you must at least define the following (samples
- * given for the MGA driver):
- *
- * \code
- * #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
- * \endcode
- */
-
-/*
- * 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.
- */
-
-#ifndef DRIVER_IOCTLS
-#define DRIVER_IOCTLS
-#endif
-
-static void __exit drm_cleanup( drm_device_t *dev );
-
-#ifndef MODULE
-/** Use an additional macro to avoid preprocessor troubles */
-#define DRM_OPTIONS_FUNC DRM(options)
-/**
- * Called by the kernel to parse command-line options passed via the
- * boot-loader (e.g., LILO). It calls the insmod option routine,
- * parse_options().
- */
-static int __init DRM(options)( char *str )
-{
- DRM(parse_options)( str );
- return 1;
-}
-
-__setup( DRIVER_NAME "=", DRM_OPTIONS_FUNC );
-#undef DRM_OPTIONS_FUNC
-#endif
-
-int DRM(fb_loaded) = 0;
-
-struct file_operations DRM(fops) = {
- .owner = THIS_MODULE,
- .open = DRM(open),
- .flush = DRM(flush),
- .release = DRM(release),
- .ioctl = DRM(ioctl),
- .mmap = DRM(mmap),
- .fasync = DRM(fasync),
- .poll = DRM(poll),
- .read = DRM(read),
-};
-
-/** Ioctl table */
-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_by_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_VERSION)] = { DRM(setversion), 0, 1 },
-
- [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 },
-
- [DRM_IOCTL_NR(DRM_IOCTL_SET_SAREA_CTX)] = { DRM(setsareactx), 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_GET_SAREA_CTX)] = { DRM(getsareactx), 1, 0 },
-
- [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 },
-
- [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 },
-
-#if __OS_HAS_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
-
- [DRM_IOCTL_NR(DRM_IOCTL_SG_ALLOC)] = { DRM(sg_alloc), 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_SG_FREE)] = { DRM(sg_free), 1, 1 },
-
- [DRM_IOCTL_NR(DRM_IOCTL_WAIT_VBLANK)] = { DRM(wait_vblank), 0, 0 },
-
- DRIVER_IOCTLS
-};
-
-#define DRIVER_IOCTL_COUNT DRM_ARRAY_SIZE( DRM(ioctls) )
-
-static int DRM(setup)( drm_device_t *dev )
-{
- int i;
-
- if (dev->fn_tbl.presetup)
- dev->fn_tbl.presetup(dev);
-
- atomic_set( &dev->ioctl_count, 0 );
- atomic_set( &dev->vma_count, 0 );
- dev->buf_use = 0;
- atomic_set( &dev->buf_alloc, 0 );
-
- if (drm_core_check_feature(dev, DRIVER_HAVE_DMA))
- {
- i = DRM(dma_setup)( dev );
- if ( i < 0 )
- return i;
- }
-
- 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->ctxlist = DRM(alloc)(sizeof(*dev->ctxlist),
- DRM_MEM_CTXLIST);
- if(dev->ctxlist == NULL) return -ENOMEM;
- memset(dev->ctxlist, 0, sizeof(*dev->ctxlist));
- INIT_LIST_HEAD(&dev->ctxlist->head);
-
- dev->vmalist = NULL;
- dev->sigdata.lock = dev->lock.hw_lock = NULL;
- init_waitqueue_head( &dev->lock.lock_queue );
- dev->queue_count = 0;
- dev->queue_reserved = 0;
- dev->queue_slots = 0;
- dev->queuelist = NULL;
- dev->irq_enabled = 0;
- dev->context_flag = 0;
- dev->interrupt_flag = 0;
- dev->dma_flag = 0;
- dev->last_context = 0;
- dev->last_switch = 0;
- dev->last_checked = 0;
- init_waitqueue_head( &dev->context_wait );
- dev->if_version = 0;
-
- dev->ctx_start = 0;
- dev->lck_start = 0;
-
- dev->buf_rp = dev->buf;
- dev->buf_wp = dev->buf;
- dev->buf_end = dev->buf + DRM_BSZ;
- dev->buf_async = NULL;
- init_waitqueue_head( &dev->buf_readers );
- init_waitqueue_head( &dev->buf_writers );
-
- DRM_DEBUG( "\n" );
-
- /*
- * The kernel's context could be created here, but is now created
- * in drm_dma_enqueue. This is more resource-efficient for
- * hardware that does not do DMA, but may mean that
- * drm_select_queue fails between the time the interrupt is
- * initialized and the time the queues are initialized.
- */
- if (dev->fn_tbl.postsetup)
- dev->fn_tbl.postsetup(dev);
-
- return 0;
-}
-
-
-/**
- * Take down the DRM device.
- *
- * \param dev DRM device structure.
- *
- * Frees every resource in \p dev.
- *
- * \sa drm_device and setup().
- */
-static int DRM(takedown)( drm_device_t *dev )
-{
- drm_magic_entry_t *pt, *next;
- drm_map_t *map;
- drm_map_list_t *r_list;
- struct list_head *list, *list_next;
- drm_vma_entry_t *vma, *vma_next;
- int i;
-
- DRM_DEBUG( "\n" );
-
- if (dev->fn_tbl.pretakedown)
- dev->fn_tbl.pretakedown(dev);
-
- if ( dev->irq_enabled ) DRM(irq_uninstall)( dev );
-
- down( &dev->struct_sem );
- del_timer( &dev->timer );
-
- if ( dev->devname ) {
- DRM(free)( dev->devname, strlen( dev->devname ) + 1,
- DRM_MEM_DRIVER );
- dev->devname = NULL;
- }
-
- 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;
- }
-
- /* Clear AGP information */
- if (drm_core_has_AGP(dev) && 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->memory );
- DRM(free_agp)( entry->memory, 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;
- }
-
- /* Clear vma list (only built for debugging) */
- if ( dev->vmalist ) {
- for ( vma = dev->vmalist ; vma ; vma = vma_next ) {
- vma_next = vma->next;
- DRM(free)( vma, sizeof(*vma), DRM_MEM_VMAS );
- }
- dev->vmalist = NULL;
- }
-
- if( dev->maplist ) {
- list_for_each_safe( list, list_next, &dev->maplist->head ) {
- r_list = (drm_map_list_t *)list;
-
- if ( ( map = r_list->map ) ) {
- switch ( map->type ) {
- case _DRM_REGISTERS:
- case _DRM_FRAME_BUFFER:
- continue;
-
- case _DRM_SHM:
- vfree(map->handle);
- break;
-
- case _DRM_AGP:
- /* Do nothing here, because this is all
- * handled in the AGP/GART driver.
- */
- break;
- case _DRM_SCATTER_GATHER:
- /* Handle it */
- if (drm_core_check_feature(dev, DRIVER_SG) && dev->sg) {
- DRM(sg_cleanup)(dev->sg);
- dev->sg = NULL;
- }
- break;
- }
- DRM(free)(map, sizeof(*map), DRM_MEM_MAPS);
- }
- list_del( list );
- DRM(free)(r_list, sizeof(*r_list), DRM_MEM_MAPS);
- }
- }
-
-
- if (drm_core_check_feature(dev, DRIVER_DMA_QUEUE) && dev->queuelist) {
- for ( i = 0 ; i < dev->queue_count ; i++ ) {
-
- if ( dev->queuelist[i] ) {
- DRM(free)( dev->queuelist[i],
- sizeof(*dev->queuelist[0]),
- DRM_MEM_QUEUES );
- dev->queuelist[i] = NULL;
- }
- }
- DRM(free)( dev->queuelist,
- dev->queue_slots * sizeof(*dev->queuelist),
- DRM_MEM_QUEUES );
- dev->queuelist = NULL;
- }
- dev->queue_count = 0;
-
- if (drm_core_check_feature(dev, DRIVER_HAVE_DMA))
- DRM(dma_takedown)( dev );
-
- if ( dev->lock.hw_lock ) {
- dev->sigdata.lock = dev->lock.hw_lock = NULL; /* SHM removed */
- dev->lock.filp = NULL;
- wake_up_interruptible( &dev->lock.lock_queue );
- }
- up( &dev->struct_sem );
-
- return 0;
-}
-
-static void DRM(init_fn_table)(struct drm_device *dev)
-{
- dev->fn_tbl.reclaim_buffers = DRM(core_reclaim_buffers);
- dev->fn_tbl.get_map_ofs = DRM(core_get_map_ofs);
- dev->fn_tbl.get_reg_ofs = DRM(core_get_reg_ofs);
-}
-
-#include "drm_pciids.h"
-
-static struct pci_device_id DRM(pciidlist)[] = {
- DRM(PCI_IDS)
-};
-
-int DRM(fill_in_dev)(drm_device_t *dev, struct pci_dev *pdev, const struct pci_device_id *ent)
-{
- int retcode;
-
- spin_lock_init(&dev->count_lock);
- init_timer( &dev->timer );
- sema_init( &dev->struct_sem, 1 );
- sema_init( &dev->ctxlist_sem, 1 );
-
- dev->name = DRIVER_NAME;
- dev->fops = &DRM(fops);
- dev->pdev = pdev;
-
-#ifdef __alpha__
- dev->hose = pdev->sysdata;
- dev->pci_domain = dev->hose->bus->number;
-#else
- dev->pci_domain = 0;
-#endif
- dev->pci_bus = pdev->bus->number;
- dev->pci_slot = PCI_SLOT(pdev->devfn);
- dev->pci_func = PCI_FUNC(pdev->devfn);
- dev->irq = pdev->irq;
-
- dev->maplist = DRM(calloc)(1, sizeof(*dev->maplist), DRM_MEM_MAPS);
- if(dev->maplist == NULL) return -ENOMEM;
- INIT_LIST_HEAD(&dev->maplist->head);
-
- /* dev_priv_size can be changed by a driver in driver_register_fns */
- dev->dev_priv_size = sizeof(u32);
-
- /* the DRM has 6 counters */
- dev->counters = 6;
- 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;
-
- DRM(init_fn_table)(dev);
-
- DRM(driver_register_fns)(dev);
-
- if (dev->fn_tbl.preinit)
- if ((retcode = dev->fn_tbl.preinit(dev, ent->driver_data)))
- goto error_out_unreg;
-
- if (drm_core_has_AGP(dev)) {
- dev->agp = DRM(agp_init)();
- if (drm_core_check_feature(dev, DRIVER_REQUIRE_AGP) && (dev->agp == NULL)) {
- DRM_ERROR( "Cannot initialize the agpgart module.\n" );
- retcode = -EINVAL;
- goto error_out_unreg;
- }
-
-
- if (drm_core_has_MTRR(dev)) {
- if (dev->agp)
- dev->agp->agp_mtrr = mtrr_add( dev->agp->agp_info.aper_base,
- dev->agp->agp_info.aper_size*1024*1024,
- MTRR_TYPE_WRCOMB,
- 1 );
- }
- }
-
- retcode = DRM(ctxbitmap_init)( dev );
- if( retcode ) {
- DRM_ERROR( "Cannot allocate memory for context bitmap.\n" );
- goto error_out_unreg;
- }
-
- dev->device = MKDEV(DRM_MAJOR, dev->minor );
-
- DRM_INFO( "Initialized %s %d.%d.%d %s on minor %d: %s\n",
- DRIVER_NAME,
- DRIVER_MAJOR,
- DRIVER_MINOR,
- DRIVER_PATCHLEVEL,
- DRIVER_DATE,
- dev->minor,
- pci_pretty_name(pdev)
- );
-
- /* drivers add secondary heads here if needed */
- if (dev->fn_tbl.postinit)
- if ((retcode = dev->fn_tbl.postinit(dev, ent->driver_data)))
- goto error_out_unreg;
-
- return 0;
-
- error_out_unreg:
- DRM(takedown)(dev);
- return retcode;
-}
-
-static void __exit drm_cleanup_pci(struct pci_dev *pdev)
-{
- drm_device_t *dev = pci_get_drvdata(pdev);
-
- pci_set_drvdata(pdev, NULL);
- pci_release_regions(pdev);
- if (dev)
- drm_cleanup(dev);
-}
-
-static struct pci_driver drm_driver = {
- .name = DRIVER_NAME,
- .id_table = DRM(pciidlist),
- .probe = DRM(probe),
- .remove = __devexit_p(drm_cleanup_pci),
-};
-
-#ifdef MODULE
-static char *drm_opts = NULL;
-#endif
-MODULE_PARM( drm_opts, "s" );
-
-/**
- * Module initialization. Called via init_module at module load time, or via
- * linux/init/main.c (this is not currently supported).
- *
- * \return zero on success or a negative number on failure.
- *
- * Initializes an array of drm_device structures, and attempts to
- * initialize all available devices, using consecutive minors, registering the
- * stubs and initializing the AGP device.
- *
- * Expands the \c DRIVER_PREINIT and \c DRIVER_POST_INIT macros before and
- * after the initialization for driver customization.
- */
-static int __init drm_init( void )
-{
- struct pci_dev *pdev;
- struct pci_device_id *pid;
- int i;
-
- DRM_DEBUG( "\n" );
-
-#ifdef MODULE
- DRM(parse_options)( drm_opts );
-#endif
-
- DRM(mem_init)();
-
- for (i=0; (DRM(pciidlist)[i].vendor != 0) && !DRM(fb_loaded); i++) {
- pid = &DRM(pciidlist[i]);
-
- pdev = NULL;
- /* pass back in pdev to account for multiple identical cards */
- while ((pdev = pci_get_subsys(pid->vendor, pid->device, pid->subvendor, pid->subdevice, pdev))) {
- /* is there already a driver loaded, or (short circuit saves work) */
- /* does something like VesaFB have control of the memory region? */
- if (pci_dev_driver(pdev) || pci_request_regions(pdev, "DRM scan")) {
- /* go into stealth mode */
- DRM(fb_loaded) = 1;
- pci_dev_put(pdev);
- break;
- }
- /* no fbdev or vesadev, put things back and wait for normal probe */
- pci_release_regions(pdev);
- }
- }
-
- if (DRM(fb_loaded) == 0)
- pci_register_driver(&drm_driver);
- else {
- for (i=0; DRM(pciidlist)[i].vendor != 0; i++) {
- pid = &DRM(pciidlist[i]);
-
- pdev = NULL;
- /* pass back in pdev to account for multiple identical cards */
- while ((pdev = pci_get_subsys(pid->vendor, pid->device, pid->subvendor, pid->subdevice, pdev))) {
- /* stealth mode requires a manual probe */
- pci_dev_get(pdev);
- DRM(probe)(pdev, &DRM(pciidlist[i]));
- }
- }
- DRM_INFO("Used old pci detect: framebuffer loaded\n");
- }
- return 0;
-}
-
-/**
- * Called via cleanup_module() at module unload time.
- *
- * Cleans up all DRM device, calling takedown().
- *
- * \sa drm_init().
- */
-static void __exit drm_cleanup( drm_device_t *dev )
-{
- drm_map_t *map;
- drm_map_list_t *r_list;
- struct list_head *list, *list_next;
-
- DRM_DEBUG( "\n" );
- if (!dev) {
- DRM_ERROR("cleanup called no dev\n");
- return;
- }
-
- DRM(takedown)(dev);
-
- if( dev->maplist ) {
- list_for_each_safe( list, list_next, &dev->maplist->head ) {
- r_list = (drm_map_list_t *)list;
-
- if ( ( map = r_list->map ) ) {
- switch ( map->type ) {
- case _DRM_REGISTERS:
- DRM(ioremapfree)( map->handle, map->size, dev );
- break;
-
- case _DRM_FRAME_BUFFER:
- if ( drm_core_has_MTRR(dev)) {
- if ( map->mtrr >= 0 ) {
- int retcode;
- retcode = mtrr_del( map->mtrr,
- map->offset,
- map->size );
- DRM_DEBUG( "mtrr_del=%d\n", retcode );
- }
- }
- break;
-
- case _DRM_SHM:
- case _DRM_AGP:
- case _DRM_SCATTER_GATHER:
- DRM_DEBUG("Extra maplist item\n");
- break;
- }
- DRM(free)(map, sizeof(*map), DRM_MEM_MAPS);
- }
- list_del( list );
- DRM(free)(r_list, sizeof(*r_list), DRM_MEM_MAPS);
- }
- DRM(free)(dev->maplist, sizeof(*dev->maplist), DRM_MEM_MAPS);
- dev->maplist = NULL;
- }
- if (DRM(fb_loaded)==0)
- pci_disable_device(dev->pdev);
-
- DRM(ctxbitmap_cleanup)( dev );
-
- if (drm_core_has_MTRR(dev) && drm_core_has_AGP(dev) && dev->agp && dev->agp->agp_mtrr >= 0) {
- int retval;
- retval = mtrr_del( dev->agp->agp_mtrr,
- dev->agp->agp_info.aper_base,
- dev->agp->agp_info.aper_size*1024*1024 );
- DRM_DEBUG( "mtrr_del=%d\n", retval );
- }
-
- if (drm_core_has_AGP(dev) && dev->agp ) {
- DRM(agp_uninit)();
- DRM(free)( dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS );
- dev->agp = NULL;
- }
- if (dev->fn_tbl.postcleanup)
- dev->fn_tbl.postcleanup(dev);
-
- if ( DRM(put_minor)(dev) )
- DRM_ERROR( "Cannot unload module\n" );
-}
-
-static void __exit drm_exit (void)
-{
- int i;
- drm_device_t *dev;
- drm_minor_t *minor;
-
- DRM_DEBUG( "\n" );
- if (DRM(fb_loaded)) {
- if (DRM(global)) {
- for (i = 0; DRM(global) && (i < DRM(global)->cards_limit); i++) {
- minor = &DRM(global)->minors[i];
- dev = minor->dev;
- DRM_DEBUG("fb loaded release minor %d\n", dev->minor);
- if ((minor->class == DRM_MINOR_PRIMARY) && (dev->fops == &DRM(fops))) {
- /* release the pci driver */
- if (dev->pdev)
- pci_dev_put(dev->pdev);
- drm_cleanup(dev);
- }
- }
- }
- } else
- pci_unregister_driver(&drm_driver);
- DRM_INFO( "Module unloaded\n" );
-}
-
-
-module_init( drm_init );
-module_exit( drm_exit );
-
-
-/**
- * Get version information
- *
- * \param inode device inode.
- * \param filp file pointer.
- * \param cmd command.
- * \param arg user argument, pointing to a drm_version structure.
- * \return zero on success or negative number on failure.
- *
- * Fills in the version information in \p arg.
- */
-int DRM(version)( struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg )
-{
- drm_version_t __user *argp = (void __user *)arg;
- drm_version_t version;
- int len;
-
- if ( copy_from_user( &version, argp, sizeof(version) ) )
- return -EFAULT;
-
-#define DRM_COPY( name, value ) \
- len = strlen( value ); \
- if ( len > name##_len ) len = name##_len; \
- name##_len = strlen( value ); \
- if ( len && name ) { \
- if ( copy_to_user( name, value, len ) ) \
- return -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 );
-
- if ( copy_to_user( argp, &version, sizeof(version) ) )
- return -EFAULT;
- return 0;
-}
-
-/**
- * Open file.
- *
- * \param inode device inode
- * \param filp file pointer.
- * \return zero on success or a negative number on failure.
- *
- * Searches the DRM device with the same minor number, calls open_helper(), and
- * increments the device open count. If the open count was previous at zero,
- * i.e., it's the first that the device is open, then calls setup().
- */
-int DRM(open)( struct inode *inode, struct file *filp )
-{
- drm_device_t *dev = NULL;
- int minor = iminor(inode);
- int retcode = 0;
-
- if (!((minor >= 0) && (minor < DRM(global)->cards_limit)))
- return -ENODEV;
-
- dev = DRM(global)->minors[minor].dev;
- if (!dev)
- return -ENODEV;
-
- retcode = DRM(open_helper)( inode, filp, dev );
- if ( !retcode ) {
- atomic_inc( &dev->counts[_DRM_STAT_OPENS] );
- spin_lock( &dev->count_lock );
- if ( !dev->open_count++ ) {
- spin_unlock( &dev->count_lock );
- return DRM(setup)( dev );
- }
- spin_unlock( &dev->count_lock );
- }
-
- return retcode;
-}
-
-/**
- * Release file.
- *
- * \param inode device inode
- * \param filp file pointer.
- * \return zero on success or a negative number on failure.
- *
- * If the hardware lock is held then free it, and take it again for the kernel
- * context since it's necessary to reclaim buffers. Unlink the file private
- * data from its list and free it. Decreases the open count and if it reaches
- * zero calls takedown().
- */
-int DRM(release)( struct inode *inode, struct file *filp )
-{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev;
- int retcode = 0;
-
- lock_kernel();
- dev = priv->dev;
-
- DRM_DEBUG( "open_count = %d\n", dev->open_count );
-
- if (dev->fn_tbl.prerelease)
- dev->fn_tbl.prerelease(dev, filp);
-
- /* ========================================================
- * Begin inline drm_release
- */
-
- DRM_DEBUG( "pid = %d, device = 0x%lx, open_count = %d\n",
- current->pid, (long)old_encode_dev(dev->device), dev->open_count );
-
- if ( priv->lock_count && dev->lock.hw_lock &&
- _DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) &&
- dev->lock.filp == filp ) {
- DRM_DEBUG( "File %p released, freeing lock for context %d\n",
- filp,
- _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock) );
-
- if (dev->fn_tbl.release)
- dev->fn_tbl.release(dev, filp);
-
- 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. */
- }
- else if ( dev->fn_tbl.release && priv->lock_count && dev->lock.hw_lock ) {
- /* The lock is required to reclaim buffers */
- DECLARE_WAITQUEUE( entry, current );
-
- add_wait_queue( &dev->lock.lock_queue, &entry );
- for (;;) {
- current->state = TASK_INTERRUPTIBLE;
- if ( !dev->lock.hw_lock ) {
- /* Device has been unregistered */
- retcode = -EINTR;
- break;
- }
- if ( DRM(lock_take)( &dev->lock.hw_lock->lock,
- DRM_KERNEL_CONTEXT ) ) {
- dev->lock.filp = filp;
- dev->lock.lock_time = jiffies;
- atomic_inc( &dev->counts[_DRM_STAT_LOCKS] );
- break; /* Got lock */
- }
- /* Contention */
- schedule();
- if ( signal_pending( current ) ) {
- retcode = -ERESTARTSYS;
- break;
- }
- }
- current->state = TASK_RUNNING;
- remove_wait_queue( &dev->lock.lock_queue, &entry );
- if( !retcode ) {
- if (dev->fn_tbl.release)
- dev->fn_tbl.release(dev, filp);
- DRM(lock_free)( dev, &dev->lock.hw_lock->lock,
- DRM_KERNEL_CONTEXT );
- }
- }
-
- if (drm_core_check_feature(dev, DRIVER_HAVE_DMA))
- {
- dev->fn_tbl.reclaim_buffers(dev, filp);
- }
-
- DRM(fasync)( -1, filp, 0 );
-
- down( &dev->ctxlist_sem );
- if ( !list_empty( &dev->ctxlist->head ) ) {
- drm_ctx_list_t *pos, *n;
-
- list_for_each_entry_safe( pos, n, &dev->ctxlist->head, head ) {
- if ( pos->tag == priv &&
- pos->handle != DRM_KERNEL_CONTEXT ) {
- if (dev->fn_tbl.context_dtor)
- dev->fn_tbl.context_dtor(dev, pos->handle);
-
- DRM(ctxbitmap_free)( dev, pos->handle );
-
- list_del( &pos->head );
- DRM(free)( pos, sizeof(*pos), DRM_MEM_CTXLIST );
- --dev->ctx_count;
- }
- }
- }
- up( &dev->ctxlist_sem );
-
- down( &dev->struct_sem );
- if ( priv->remove_auth_on_close == 1 ) {
- drm_file_t *temp = dev->file_first;
- while ( temp ) {
- temp->authenticated = 0;
- temp = temp->next;
- }
- }
- if ( priv->prev ) {
- priv->prev->next = priv->next;
- } else {
- dev->file_first = priv->next;
- }
- if ( priv->next ) {
- priv->next->prev = priv->prev;
- } else {
- dev->file_last = priv->prev;
- }
- up( &dev->struct_sem );
-
- if (dev->fn_tbl.free_filp_priv)
- dev->fn_tbl.free_filp_priv( dev, priv );
- DRM(free)( priv, sizeof(*priv), DRM_MEM_FILES );
-
- /* ========================================================
- * End inline drm_release
- */
-
- atomic_inc( &dev->counts[_DRM_STAT_CLOSES] );
- spin_lock( &dev->count_lock );
- if ( !--dev->open_count ) {
- if ( atomic_read( &dev->ioctl_count ) || dev->blocked ) {
- DRM_ERROR( "Device busy: %d %d\n",
- atomic_read( &dev->ioctl_count ),
- dev->blocked );
- spin_unlock( &dev->count_lock );
- unlock_kernel();
- return -EBUSY;
- }
- spin_unlock( &dev->count_lock );
- unlock_kernel();
- return DRM(takedown)( dev );
- }
- spin_unlock( &dev->count_lock );
-
- unlock_kernel();
-
- return retcode;
-}
-
-/**
- * Called whenever a process performs an ioctl on /dev/drm.
- *
- * \param inode device inode.
- * \param filp file pointer.
- * \param cmd command.
- * \param arg user argument.
- * \return zero on success or negative number on failure.
- *
- * Looks up the ioctl function in the ::ioctls table, checking for root
- * previleges if so required, and dispatches to the respective function.
- */
-int DRM(ioctl)( struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg )
-{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->dev;
- drm_ioctl_desc_t *ioctl;
- drm_ioctl_t *func;
- int nr = DRM_IOCTL_NR(cmd);
- int retcode = 0;
-
- atomic_inc( &dev->ioctl_count );
- atomic_inc( &dev->counts[_DRM_STAT_IOCTLS] );
- ++priv->ioctl_count;
-
- DRM_DEBUG( "pid=%d, cmd=0x%02x, nr=0x%02x, dev 0x%lx, auth=%d\n",
- current->pid, cmd, nr, (long)old_encode_dev(dev->device),
- priv->authenticated );
-
- 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 && !capable( CAP_SYS_ADMIN ) )||
- ( ioctl->auth_needed && !priv->authenticated ) ) {
- retcode = -EACCES;
- } else {
- retcode = func( inode, filp, cmd, arg );
- }
- }
-
- atomic_dec( &dev->ioctl_count );
- if (retcode) DRM_DEBUG( "ret = %x\n", retcode);
- return retcode;
-}
-
-/**
- * Lock ioctl.
- *
- * \param inode device inode.
- * \param filp file pointer.
- * \param cmd command.
- * \param arg user argument, pointing to a drm_lock structure.
- * \return zero on success or negative number on failure.
- *
- * Add the current task to the lock wait queue, and attempt to take to lock.
- */
-int DRM(lock)( struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg )
-{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->dev;
- DECLARE_WAITQUEUE( entry, current );
- drm_lock_t lock;
- int ret = 0;
-
- ++priv->lock_count;
-
- if ( copy_from_user( &lock, (drm_lock_t __user *)arg, sizeof(lock) ) )
- return -EFAULT;
-
- if ( lock.context == DRM_KERNEL_CONTEXT ) {
- DRM_ERROR( "Process %d using kernel context %d\n",
- current->pid, lock.context );
- return -EINVAL;
- }
-
- DRM_DEBUG( "%d (pid %d) requests lock (0x%08x), flags = 0x%08x\n",
- lock.context, current->pid,
- dev->lock.hw_lock->lock, lock.flags );
-
- if (drm_core_check_feature(dev, DRIVER_DMA_QUEUE))
- if ( lock.context < 0 )
- return -EINVAL;
-
- add_wait_queue( &dev->lock.lock_queue, &entry );
- for (;;) {
- current->state = TASK_INTERRUPTIBLE;
- 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 = filp;
- dev->lock.lock_time = jiffies;
- atomic_inc( &dev->counts[_DRM_STAT_LOCKS] );
- break; /* Got lock */
- }
-
- /* Contention */
- schedule();
- if ( signal_pending( current ) ) {
- ret = -ERESTARTSYS;
- break;
- }
- }
- current->state = TASK_RUNNING;
- remove_wait_queue( &dev->lock.lock_queue, &entry );
-
- DRM_DEBUG( "%d %s\n", lock.context, ret ? "interrupted" : "has lock" );
- if (ret) return ret;
-
- sigemptyset( &dev->sigmask );
- sigaddset( &dev->sigmask, SIGSTOP );
- sigaddset( &dev->sigmask, SIGTSTP );
- sigaddset( &dev->sigmask, SIGTTIN );
- sigaddset( &dev->sigmask, SIGTTOU );
- dev->sigdata.context = lock.context;
- dev->sigdata.lock = dev->lock.hw_lock;
- block_all_signals( DRM(notifier),
- &dev->sigdata, &dev->sigmask );
-
- if (dev->fn_tbl.dma_ready && (lock.flags & _DRM_LOCK_READY))
- dev->fn_tbl.dma_ready(dev);
-
- if (dev->fn_tbl.dma_quiescent && (lock.flags & _DRM_LOCK_QUIESCENT)) {
- if (dev->fn_tbl.dma_quiescent(dev)) {
- DRM_DEBUG( "%d waiting for DMA quiescent\n", lock.context);
- return DRM_ERR(EBUSY);
- }
- }
-
- if ( dev->fn_tbl.kernel_context_switch && dev->last_context != lock.context ) {
- dev->fn_tbl.kernel_context_switch(dev, dev->last_context,
- lock.context);
- }
-
- return 0;
-}
-
-/**
- * Unlock ioctl.
- *
- * \param inode device inode.
- * \param filp file pointer.
- * \param cmd command.
- * \param arg user argument, pointing to a drm_lock structure.
- * \return zero on success or negative number on failure.
- *
- * Transfer and free the lock.
- */
-int DRM(unlock)( struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg )
-{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->dev;
- drm_lock_t lock;
-
- if ( copy_from_user( &lock, (drm_lock_t __user *)arg, sizeof(lock) ) )
- return -EFAULT;
-
- if ( lock.context == DRM_KERNEL_CONTEXT ) {
- DRM_ERROR( "Process %d using kernel context %d\n",
- current->pid, lock.context );
- return -EINVAL;
- }
-
- atomic_inc( &dev->counts[_DRM_STAT_UNLOCKS] );
-
- if (dev->fn_tbl.kernel_context_switch_unlock)
- dev->fn_tbl.kernel_context_switch_unlock(dev);
- else
- {
- DRM(lock_transfer)( dev, &dev->lock.hw_lock->lock,
- DRM_KERNEL_CONTEXT );
-
- if ( DRM(lock_free)( dev, &dev->lock.hw_lock->lock,
- DRM_KERNEL_CONTEXT ) ) {
- DRM_ERROR( "\n" );
- }
- }
-
- unblock_all_signals();
- return 0;
-}