/**
- * \file drm_drv.h
+ * \file drm_drv.c
* Generic driver template
*
* \author Rickard E. (Rik) Faith <faith@valinux.com>
unsigned int cmd, unsigned long arg);
/** Ioctl table */
-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_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_ioctl,1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_RM_MAP)] = { drm_rmmap_ioctl, 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 },
+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_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_ioctl, 1, 1},
+ [DRM_IOCTL_NR(DRM_IOCTL_RM_MAP)] = {drm_rmmap_ioctl, 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 },
+ [DRM_IOCTL_NR(DRM_IOCTL_CONTROL)] = {drm_control, 1, 1},
#if __OS_HAS_AGP
- [DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = { drm_agp_acquire_ioctl, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = { drm_agp_release_ioctl, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = { drm_agp_enable_ioctl, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)] = { drm_agp_info_ioctl, 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 },
+ [DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = {drm_agp_acquire_ioctl, 1, 1},
+ [DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = {drm_agp_release_ioctl, 1, 1},
+ [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = {drm_agp_enable_ioctl, 1, 1},
+ [DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)] = {drm_agp_info_ioctl, 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_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 },
+ [DRM_IOCTL_NR(DRM_IOCTL_WAIT_VBLANK)] = {drm_wait_vblank, 0, 0},
};
#define DRIVER_IOCTL_COUNT DRM_ARRAY_SIZE( drm_ioctls )
*
* \sa drm_device
*/
-int drm_takedown( drm_device_t *dev )
+int drm_takedown(drm_device_t * dev)
{
drm_magic_entry_t *pt, *next;
drm_map_list_t *r_list;
drm_vma_entry_t *vma, *vma_next;
int i;
- DRM_DEBUG( "\n" );
+ DRM_DEBUG("\n");
if (dev->driver->pretakedown)
- dev->driver->pretakedown(dev);
+ dev->driver->pretakedown(dev);
DRM_DEBUG("driver pretakedown completed\n");
if (dev->unique) {
dev->unique_len = 0;
}
- if ( dev->irq_enabled ) drm_irq_uninstall( dev );
+ if (dev->irq_enabled)
+ drm_irq_uninstall(dev);
- down( &dev->struct_sem );
- del_timer( &dev->timer );
+ down(&dev->struct_sem);
+ del_timer(&dev->timer);
- /* Clear pid list */
- for ( i = 0 ; i < DRM_HASH_SIZE ; i++ ) {
- for ( pt = dev->magiclist[i].head ; pt ; pt = next ) {
+ /* 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 );
+ drm_free(pt, sizeof(*pt), DRM_MEM_MAGIC);
}
dev->magiclist[i].head = dev->magiclist[i].tail = NULL;
}
- /* Clear AGP information */
+ /* 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 ) {
+ /* 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 );
+ 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_release(dev);
+ drm_agp_release(dev);
dev->agp->acquired = 0;
- dev->agp->enabled = 0;
+ dev->agp->enabled = 0;
}
if (drm_core_check_feature(dev, DRIVER_SG) && dev->sg) {
drm_sg_cleanup(dev->sg);
dev->sg = NULL;
}
- /* Clear vma list (only built for debugging) */
- if ( dev->vmalist ) {
- for ( vma = dev->vmalist ; vma ; vma = vma_next ) {
+ /* 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 );
+ drm_free(vma, sizeof(*vma), DRM_MEM_VMAS);
}
dev->vmalist = NULL;
}
- if( dev->maplist ) {
+ if (dev->maplist) {
while (!list_empty(&dev->maplist->head)) {
struct list_head *list = dev->maplist->head.next;
r_list = list_entry(list, drm_map_list_t, head);
drm_rmmap_locked(dev, r_list->map);
}
- }
-
- 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 );
+ }
+
+ 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 );
+ 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 );
+ drm_dma_takedown(dev);
- if ( dev->lock.hw_lock ) {
- dev->sigdata.lock = dev->lock.hw_lock = NULL; /* SHM removed */
+ 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 );
+ wake_up_interruptible(&dev->lock.lock_queue);
}
- up( &dev->struct_sem );
+ up(&dev->struct_sem);
DRM_DEBUG("takedown completed\n");
return 0;
}
-
-
/**
* Module initialization. Called via init_module at module load time, or via
* linux/init/main.c (this is not currently supported).
* 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.
*/
-int drm_init( struct drm_driver *driver )
+int drm_init(struct drm_driver *driver)
{
struct pci_dev *pdev = NULL;
struct pci_device_id *pid;
int i;
- DRM_DEBUG( "\n" );
+ DRM_DEBUG("\n");
drm_mem_init();
- for (i=0; driver->pci_driver.id_table[i].vendor != 0; i++) {
+ for (i = 0; driver->pci_driver.id_table[i].vendor != 0; i++) {
pid = (struct pci_device_id *)&driver->pci_driver.id_table[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)) != NULL) {
+
+ 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)) != NULL) {
/* stealth mode requires a manual probe */
pci_dev_get(pdev);
drm_get_dev(pdev, pid, driver);
}
return 0;
}
+
EXPORT_SYMBOL(drm_init);
/**
* Called via cleanup_module() at module unload time.
*
* Cleans up all DRM device, calling takedown().
- *
+ *
* \sa drm_init
*/
-static void drm_cleanup( drm_device_t *dev )
+static void drm_cleanup(drm_device_t * dev)
{
- DRM_DEBUG( "\n" );
+ DRM_DEBUG("\n");
if (!dev) {
DRM_ERROR("cleanup called no dev\n");
return;
}
- drm_takedown( dev );
+ drm_takedown(dev);
if (dev->maplist) {
drm_free(dev->maplist, sizeof(*dev->maplist), DRM_MEM_MAPS);
dev->maplist = NULL;
}
- drm_ctxbitmap_cleanup( dev );
-
+ 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 );
+ 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_free( dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS );
+
+ if (drm_core_has_AGP(dev) && dev->agp) {
+ drm_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS);
dev->agp = NULL;
}
if (dev->driver->postcleanup)
dev->driver->postcleanup(dev);
-
+
drm_put_head(&dev->primary);
- if ( drm_put_dev(dev) )
- DRM_ERROR( "Cannot unload module\n" );
+ if (drm_put_dev(dev))
+ DRM_ERROR("Cannot unload module\n");
}
-void drm_exit (struct drm_driver *driver)
+void drm_exit(struct drm_driver *driver)
{
int i;
drm_device_t *dev = NULL;
drm_head_t *head;
-
- DRM_DEBUG( "\n" );
+
+ DRM_DEBUG("\n");
for (i = 0; i < drm_cards_limit; i++) {
head = drm_heads[i];
continue;
if (!head->dev)
continue;
- if (head->dev->driver!=driver)
+ if (head->dev->driver != driver)
continue;
- dev=head->dev;
+ dev = head->dev;
}
if (dev) {
/* release the pci driver */
pci_dev_put(dev->pdev);
drm_cleanup(dev);
}
- DRM_INFO( "Module unloaded\n" );
+ DRM_INFO("Module unloaded\n");
}
+
EXPORT_SYMBOL(drm_exit);
/** File operations structure */
static struct file_operations drm_stub_fops = {
.owner = THIS_MODULE,
- .open = drm_stub_open
+ .open = drm_stub_open
};
static int __init drm_core_init(void)
{
int ret = -ENOMEM;
-
- drm_cards_limit = (drm_cards_limit < DRM_MAX_MINOR + 1 ? drm_cards_limit : DRM_MAX_MINOR + 1);
- drm_heads = drm_calloc(drm_cards_limit,
- sizeof(*drm_heads), DRM_MEM_STUB);
- if(!drm_heads)
+
+ drm_cards_limit =
+ (drm_cards_limit <
+ DRM_MAX_MINOR + 1 ? drm_cards_limit : DRM_MAX_MINOR + 1);
+ drm_heads =
+ drm_calloc(drm_cards_limit, sizeof(*drm_heads), DRM_MEM_STUB);
+ if (!drm_heads)
goto err_p1;
-
+
if (register_chrdev(DRM_MAJOR, "drm", &drm_stub_fops))
goto err_p1;
-
+
drm_class = drm_sysfs_create(THIS_MODULE, "drm");
if (IS_ERR(drm_class)) {
- printk (KERN_ERR "DRM: Error creating drm class.\n");
+ printk(KERN_ERR "DRM: Error creating drm class.\n");
ret = PTR_ERR(drm_class);
goto err_p2;
}
- drm_proc_root = create_proc_entry("dri", S_IFDIR, NULL);
+ drm_proc_root = proc_mkdir("dri", NULL);
if (!drm_proc_root) {
DRM_ERROR("Cannot create /proc/dri\n");
ret = -1;
goto err_p3;
}
-
- DRM_INFO( "Initialized %s %d.%d.%d %s\n",
- CORE_NAME, CORE_MAJOR, CORE_MINOR, CORE_PATCHLEVEL,
- CORE_DATE);
+
+ DRM_INFO("Initialized %s %d.%d.%d %s\n",
+ CORE_NAME, CORE_MAJOR, CORE_MINOR, CORE_PATCHLEVEL, CORE_DATE);
return 0;
-err_p3:
+ err_p3:
drm_sysfs_destroy(drm_class);
-err_p2:
+ err_p2:
unregister_chrdev(DRM_MAJOR, "drm");
drm_free(drm_heads, sizeof(*drm_heads) * drm_cards_limit, DRM_MEM_STUB);
-err_p1:
+ err_p1:
return ret;
}
-static void __exit drm_core_exit (void)
+static void __exit drm_core_exit(void)
{
remove_proc_entry("dri", NULL);
drm_sysfs_destroy(drm_class);
unregister_chrdev(DRM_MAJOR, "drm");
- drm_free(drm_heads, sizeof(*drm_heads) *
- drm_cards_limit, DRM_MEM_STUB);
+ drm_free(drm_heads, sizeof(*drm_heads) * drm_cards_limit, DRM_MEM_STUB);
}
-
-module_init( drm_core_init );
-module_exit( drm_core_exit );
-
+module_init(drm_core_init);
+module_exit(drm_core_exit);
/**
* Get version information
*
* Fills in the version information in \p arg.
*/
-static int drm_version( struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg )
+static int drm_version(struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg)
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->head->dev;
drm_version_t version;
int ret;
- if ( copy_from_user( &version, argp, sizeof(version) ) )
+ if (copy_from_user(&version, argp, sizeof(version)))
return -EFAULT;
/* version is a required function to return the personality module version */
if ((ret = dev->driver->version(&version)))
return ret;
-
- if ( copy_to_user( argp, &version, sizeof(version) ) )
+
+ if (copy_to_user(argp, &version, sizeof(version)))
return -EFAULT;
return 0;
}
-
-
-/**
+/**
* Called whenever a process performs an ioctl on /dev/drm.
*
* \param inode device inode.
* 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 )
+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->head->dev;
unsigned int nr = DRM_IOCTL_NR(cmd);
int retcode = -EINVAL;
- atomic_inc( &dev->ioctl_count );
- atomic_inc( &dev->counts[_DRM_STAT_IOCTLS] );
+ 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(priv->head->device),
- priv->authenticated );
-
+ DRM_DEBUG("pid=%d, cmd=0x%02x, nr=0x%02x, dev 0x%lx, auth=%d\n",
+ current->pid, cmd, nr,
+ (long)old_encode_dev(priv->head->device),
+ priv->authenticated);
+
if (nr < DRIVER_IOCTL_COUNT)
ioctl = &drm_ioctls[nr];
- else if ((nr >= DRM_COMMAND_BASE) && (nr < DRM_COMMAND_BASE + dev->driver->num_ioctls))
+ else if ((nr >= DRM_COMMAND_BASE)
+ && (nr < DRM_COMMAND_BASE + dev->driver->num_ioctls))
ioctl = &dev->driver->ioctls[nr - DRM_COMMAND_BASE];
else
goto err_i1;
-
+
func = ioctl->func;
/* is there a local override? */
if ((nr == DRM_IOCTL_NR(DRM_IOCTL_DMA)) && dev->driver->dma_ioctl)
func = dev->driver->dma_ioctl;
-
- if ( !func ) {
- DRM_DEBUG( "no function\n" );
+
+ if (!func) {
+ DRM_DEBUG("no function\n");
retcode = -EINVAL;
- } else if ( ( ioctl->root_only && !capable( CAP_SYS_ADMIN ) )||
- ( ioctl->auth_needed && !priv->authenticated ) ) {
+ } else if ((ioctl->root_only && !capable(CAP_SYS_ADMIN)) ||
+ (ioctl->auth_needed && !priv->authenticated)) {
retcode = -EACCES;
} else {
- retcode = func( inode, filp, cmd, arg );
+ retcode = func(inode, filp, cmd, arg);
}
-
-err_i1:
- atomic_dec( &dev->ioctl_count );
- if (retcode) DRM_DEBUG( "ret = %x\n", retcode);
+
+ err_i1:
+ atomic_dec(&dev->ioctl_count);
+ if (retcode)
+ DRM_DEBUG("ret = %x\n", retcode);
return retcode;
}
-EXPORT_SYMBOL(drm_ioctl);
+EXPORT_SYMBOL(drm_ioctl);
/**
- * \file drm_proc.h
+ * \file drm_proc.c
* /proc support for DRM
*
* \author Rickard E. (Rik) Faith <faith@valinux.com>
#include "drmP.h"
-static int drm_name_info(char *buf, char **start, off_t offset,
- int request, int *eof, void *data);
-static int drm_vm_info(char *buf, char **start, off_t offset,
- int request, int *eof, void *data);
-static int drm_clients_info(char *buf, char **start, off_t offset,
- int request, int *eof, void *data);
-static int drm_queues_info(char *buf, char **start, off_t offset,
- int request, int *eof, void *data);
-static int drm_bufs_info(char *buf, char **start, off_t offset,
- int request, int *eof, void *data);
+static int drm_name_info(char *buf, char **start, off_t offset,
+ int request, int *eof, void *data);
+static int drm_vm_info(char *buf, char **start, off_t offset,
+ int request, int *eof, void *data);
+static int drm_clients_info(char *buf, char **start, off_t offset,
+ int request, int *eof, void *data);
+static int drm_queues_info(char *buf, char **start, off_t offset,
+ int request, int *eof, void *data);
+static int drm_bufs_info(char *buf, char **start, off_t offset,
+ int request, int *eof, void *data);
#if DRM_DEBUG_CODE
-static int drm_vma_info(char *buf, char **start, off_t offset,
- int request, int *eof, void *data);
+static int drm_vma_info(char *buf, char **start, off_t offset,
+ int request, int *eof, void *data);
#endif
/**
*/
static struct drm_proc_list {
const char *name; /**< file name */
- int (*f)(char *, char **, off_t, int, int *, void *); /**< proc callback*/
+ int (*f) (char *, char **, off_t, int, int *, void *); /**< proc callback*/
} drm_proc_list[] = {
- { "name", drm_name_info },
- { "mem", drm_mem_info },
- { "vm", drm_vm_info },
- { "clients", drm_clients_info },
- { "queues", drm_queues_info },
- { "bufs", drm_bufs_info },
+ {
+ "name", drm_name_info}, {
+ "mem", drm_mem_info}, {
+ "vm", drm_vm_info}, {
+ "clients", drm_clients_info}, {
+ "queues", drm_queues_info}, {
+ "bufs", drm_bufs_info},
#if DRM_DEBUG_CODE
- { "vma", drm_vma_info },
+ {
+ "vma", drm_vma_info},
#endif
};
+
#define DRM_PROC_ENTRIES (sizeof(drm_proc_list)/sizeof(drm_proc_list[0]))
/**
* \param root DRI proc dir entry.
* \param dev_root resulting DRI device proc dir entry.
* \return root entry pointer on success, or NULL on failure.
- *
+ *
* Create the DRI proc root entry "/proc/dri", the device proc root entry
* "/proc/dri/%minor%/", and each entry in proc_list as
* "/proc/dri/%minor%/%name%".
*/
-int drm_proc_init(drm_device_t *dev, int minor,
- struct proc_dir_entry *root,
- struct proc_dir_entry **dev_root)
+int drm_proc_init(drm_device_t * dev, int minor,
+ struct proc_dir_entry *root, struct proc_dir_entry **dev_root)
{
struct proc_dir_entry *ent;
- int i, j;
- char name[64];
+ int i, j;
+ char name[64];
sprintf(name, "%d", minor);
- *dev_root = create_proc_entry(name, S_IFDIR, root);
+ *dev_root = proc_mkdir(name, root);
if (!*dev_root) {
DRM_ERROR("Cannot create /proc/dri/%s\n", name);
return -1;
for (i = 0; i < DRM_PROC_ENTRIES; i++) {
ent = create_proc_entry(drm_proc_list[i].name,
- S_IFREG|S_IRUGO, *dev_root);
+ S_IFREG | S_IRUGO, *dev_root);
if (!ent) {
DRM_ERROR("Cannot create /proc/dri/%s/%s\n",
name, drm_proc_list[i].name);
return -1;
}
ent->read_proc = drm_proc_list[i].f;
- ent->data = dev;
+ ent->data = dev;
}
return 0;
}
-
/**
* Cleanup the proc filesystem resources.
*
* Remove all proc entries created by proc_init().
*/
int drm_proc_cleanup(int minor, struct proc_dir_entry *root,
- struct proc_dir_entry *dev_root)
+ struct proc_dir_entry *dev_root)
{
- int i;
+ int i;
char name[64];
- if (!root || !dev_root) return 0;
+ if (!root || !dev_root)
+ return 0;
for (i = 0; i < DRM_PROC_ENTRIES; i++)
remove_proc_entry(drm_proc_list[i].name, dev_root);
/**
* Called when "/proc/dri/.../name" is read.
- *
+ *
* \param buf output buffer.
* \param start start of output data.
* \param offset requested start offset.
* \param eof whether there is no more data to return.
* \param data private data.
* \return number of written bytes.
- *
+ *
* Prints the device name together with the bus id if available.
*/
static int drm_name_info(char *buf, char **start, off_t offset, int request,
- int *eof, void *data)
+ int *eof, void *data)
{
- drm_device_t *dev = (drm_device_t *)data;
- int len = 0;
+ drm_device_t *dev = (drm_device_t *) data;
+ int len = 0;
if (offset > DRM_PROC_LIMIT) {
*eof = 1;
}
*start = &buf[offset];
- *eof = 0;
+ *eof = 0;
if (dev->unique) {
DRM_PROC_PRINT("%s %s %s\n",
- dev->driver->pci_driver.name, pci_name(dev->pdev), dev->unique);
+ dev->driver->pci_driver.name,
+ pci_name(dev->pdev), dev->unique);
} else {
- DRM_PROC_PRINT("%s %s\n", dev->driver->pci_driver.name, pci_name(dev->pdev));
+ DRM_PROC_PRINT("%s %s\n", dev->driver->pci_driver.name,
+ pci_name(dev->pdev));
}
- if (len > request + offset) return request;
+ if (len > request + offset)
+ return request;
*eof = 1;
return len - offset;
}
/**
* Called when "/proc/dri/.../vm" is read.
- *
+ *
* \param buf output buffer.
* \param start start of output data.
* \param offset requested start offset.
* \param eof whether there is no more data to return.
* \param data private data.
* \return number of written bytes.
- *
+ *
* Prints information about all mappings in drm_device::maplist.
*/
static int drm__vm_info(char *buf, char **start, off_t offset, int request,
- int *eof, void *data)
+ int *eof, void *data)
{
- drm_device_t *dev = (drm_device_t *)data;
- int len = 0;
- drm_map_t *map;
+ drm_device_t *dev = (drm_device_t *) data;
+ int len = 0;
+ drm_map_t *map;
drm_map_list_t *r_list;
struct list_head *list;
- /* Hardcoded from _DRM_FRAME_BUFFER,
- _DRM_REGISTERS, _DRM_SHM, _DRM_AGP, and
- _DRM_SCATTER_GATHER and _DRM_CONSISTENT */
- const char *types[] = { "FB", "REG", "SHM", "AGP", "SG", "PCI" };
- const char *type;
- int i;
+ /* Hardcoded from _DRM_FRAME_BUFFER,
+ _DRM_REGISTERS, _DRM_SHM, _DRM_AGP, and
+ _DRM_SCATTER_GATHER and _DRM_CONSISTENT */
+ const char *types[] = { "FB", "REG", "SHM", "AGP", "SG", "PCI" };
+ const char *type;
+ int i;
if (offset > DRM_PROC_LIMIT) {
*eof = 1;
}
*start = &buf[offset];
- *eof = 0;
+ *eof = 0;
DRM_PROC_PRINT("slot offset size type flags "
"address mtrr\n\n");
i = 0;
- if (dev->maplist != NULL) list_for_each(list, &dev->maplist->head) {
+ if (dev->maplist != NULL)
+ list_for_each(list, &dev->maplist->head) {
r_list = list_entry(list, drm_map_list_t, head);
map = r_list->map;
- if(!map)
+ if (!map)
continue;
if (map->type < 0 || map->type > 5)
type = "??";
- else
+ else
type = types[map->type];
DRM_PROC_PRINT("%4d 0x%08lx 0x%08lx %4.4s 0x%02x 0x%08x ",
i,
map->offset,
- map->size,
- type,
- map->flags,
- r_list->user_token);
+ map->size, type, map->flags, r_list->user_token);
if (map->mtrr < 0) {
DRM_PROC_PRINT("none\n");
} else {
DRM_PROC_PRINT("%4d\n", map->mtrr);
}
i++;
- }
+ }
- if (len > request + offset) return request;
+ if (len > request + offset)
+ return request;
*eof = 1;
return len - offset;
}
* Simply calls _vm_info() while holding the drm_device::struct_sem lock.
*/
static int drm_vm_info(char *buf, char **start, off_t offset, int request,
- int *eof, void *data)
+ int *eof, void *data)
{
- drm_device_t *dev = (drm_device_t *)data;
- int ret;
+ drm_device_t *dev = (drm_device_t *) data;
+ int ret;
down(&dev->struct_sem);
ret = drm__vm_info(buf, start, offset, request, eof, data);
/**
* Called when "/proc/dri/.../queues" is read.
- *
+ *
* \param buf output buffer.
* \param start start of output data.
* \param offset requested start offset.
* \return number of written bytes.
*/
static int drm__queues_info(char *buf, char **start, off_t offset,
- int request, int *eof, void *data)
+ int request, int *eof, void *data)
{
- drm_device_t *dev = (drm_device_t *)data;
- int len = 0;
- int i;
- drm_queue_t *q;
+ drm_device_t *dev = (drm_device_t *) data;
+ int len = 0;
+ int i;
+ drm_queue_t *q;
if (offset > DRM_PROC_LIMIT) {
*eof = 1;
}
*start = &buf[offset];
- *eof = 0;
+ *eof = 0;
DRM_PROC_PRINT(" ctx/flags use fin"
" blk/rw/rwf wait flushed queued"
atomic_read(&q->block_count),
atomic_read(&q->block_read) ? 'r' : '-',
atomic_read(&q->block_write) ? 'w' : '-',
- waitqueue_active(&q->read_queue) ? 'r':'-',
- waitqueue_active(&q->write_queue) ? 'w':'-',
- waitqueue_active(&q->flush_queue) ? 'f':'-',
+ waitqueue_active(&q->read_queue) ? 'r' : '-',
+ waitqueue_active(&q->
+ write_queue) ? 'w' : '-',
+ waitqueue_active(&q->
+ flush_queue) ? 'f' : '-',
DRM_BUFCOUNT(&q->waitlist));
atomic_dec(&q->use_count);
}
- if (len > request + offset) return request;
+ if (len > request + offset)
+ return request;
*eof = 1;
return len - offset;
}
* Simply calls _queues_info() while holding the drm_device::struct_sem lock.
*/
static int drm_queues_info(char *buf, char **start, off_t offset, int request,
- int *eof, void *data)
+ int *eof, void *data)
{
- drm_device_t *dev = (drm_device_t *)data;
- int ret;
+ drm_device_t *dev = (drm_device_t *) data;
+ int ret;
down(&dev->struct_sem);
ret = drm__queues_info(buf, start, offset, request, eof, data);
/**
* Called when "/proc/dri/.../bufs" is read.
- *
+ *
* \param buf output buffer.
* \param start start of output data.
* \param offset requested start offset.
* \return number of written bytes.
*/
static int drm__bufs_info(char *buf, char **start, off_t offset, int request,
- int *eof, void *data)
+ int *eof, void *data)
{
- drm_device_t *dev = (drm_device_t *)data;
- int len = 0;
+ drm_device_t *dev = (drm_device_t *) data;
+ int len = 0;
drm_device_dma_t *dma = dev->dma;
- int i;
+ int i;
if (!dma || offset > DRM_PROC_LIMIT) {
*eof = 1;
}
*start = &buf[offset];
- *eof = 0;
+ *eof = 0;
DRM_PROC_PRINT(" o size count free segs pages kB\n\n");
for (i = 0; i <= DRM_MAX_ORDER; i++) {
.freelist.count),
dma->bufs[i].seg_count,
dma->bufs[i].seg_count
- *(1 << dma->bufs[i].page_order),
+ * (1 << dma->bufs[i].page_order),
(dma->bufs[i].seg_count
* (1 << dma->bufs[i].page_order))
* PAGE_SIZE / 1024);
}
DRM_PROC_PRINT("\n");
for (i = 0; i < dma->buf_count; i++) {
- if (i && !(i%32)) DRM_PROC_PRINT("\n");
+ if (i && !(i % 32))
+ DRM_PROC_PRINT("\n");
DRM_PROC_PRINT(" %d", dma->buflist[i]->list);
}
DRM_PROC_PRINT("\n");
- if (len > request + offset) return request;
+ if (len > request + offset)
+ return request;
*eof = 1;
return len - offset;
}
* Simply calls _bufs_info() while holding the drm_device::struct_sem lock.
*/
static int drm_bufs_info(char *buf, char **start, off_t offset, int request,
- int *eof, void *data)
+ int *eof, void *data)
{
- drm_device_t *dev = (drm_device_t *)data;
- int ret;
+ drm_device_t *dev = (drm_device_t *) data;
+ int ret;
down(&dev->struct_sem);
ret = drm__bufs_info(buf, start, offset, request, eof, data);
/**
* Called when "/proc/dri/.../clients" is read.
- *
+ *
* \param buf output buffer.
* \param start start of output data.
* \param offset requested start offset.
* \return number of written bytes.
*/
static int drm__clients_info(char *buf, char **start, off_t offset,
- int request, int *eof, void *data)
+ int request, int *eof, void *data)
{
- drm_device_t *dev = (drm_device_t *)data;
- int len = 0;
- drm_file_t *priv;
+ drm_device_t *dev = (drm_device_t *) data;
+ int len = 0;
+ drm_file_t *priv;
if (offset > DRM_PROC_LIMIT) {
*eof = 1;
}
*start = &buf[offset];
- *eof = 0;
+ *eof = 0;
DRM_PROC_PRINT("a dev pid uid magic ioctls\n\n");
for (priv = dev->file_first; priv; priv = priv->next) {
priv->authenticated ? 'y' : 'n',
priv->minor,
priv->pid,
- priv->uid,
- priv->magic,
- priv->ioctl_count);
+ priv->uid, priv->magic, priv->ioctl_count);
}
- if (len > request + offset) return request;
+ if (len > request + offset)
+ return request;
*eof = 1;
return len - offset;
}
* Simply calls _clients_info() while holding the drm_device::struct_sem lock.
*/
static int drm_clients_info(char *buf, char **start, off_t offset,
- int request, int *eof, void *data)
+ int request, int *eof, void *data)
{
- drm_device_t *dev = (drm_device_t *)data;
- int ret;
+ drm_device_t *dev = (drm_device_t *) data;
+ int ret;
down(&dev->struct_sem);
ret = drm__clients_info(buf, start, offset, request, eof, data);
#if DRM_DEBUG_CODE
static int drm__vma_info(char *buf, char **start, off_t offset, int request,
- int *eof, void *data)
+ int *eof, void *data)
{
- drm_device_t *dev = (drm_device_t *)data;
- int len = 0;
- drm_vma_entry_t *pt;
+ drm_device_t *dev = (drm_device_t *) data;
+ int len = 0;
+ drm_vma_entry_t *pt;
struct vm_area_struct *vma;
#if defined(__i386__)
- unsigned int pgprot;
+ unsigned int pgprot;
#endif
if (offset > DRM_PROC_LIMIT) {
}
*start = &buf[offset];
- *eof = 0;
+ *eof = 0;
DRM_PROC_PRINT("vma use count: %d, high_memory = %p, 0x%08lx\n",
atomic_read(&dev->vma_count),
high_memory, virt_to_phys(high_memory));
for (pt = dev->vmalist; pt; pt = pt->next) {
- if (!(vma = pt->vma)) continue;
+ if (!(vma = pt->vma))
+ continue;
DRM_PROC_PRINT("\n%5d 0x%08lx-0x%08lx %c%c%c%c%c%c 0x%08lx",
pt->pid,
vma->vm_start,
vma->vm_end,
- vma->vm_flags & VM_READ ? 'r' : '-',
- vma->vm_flags & VM_WRITE ? 'w' : '-',
- vma->vm_flags & VM_EXEC ? 'x' : '-',
+ vma->vm_flags & VM_READ ? 'r' : '-',
+ vma->vm_flags & VM_WRITE ? 'w' : '-',
+ vma->vm_flags & VM_EXEC ? 'x' : '-',
vma->vm_flags & VM_MAYSHARE ? 's' : 'p',
- vma->vm_flags & VM_LOCKED ? 'l' : '-',
- vma->vm_flags & VM_IO ? 'i' : '-',
+ vma->vm_flags & VM_LOCKED ? 'l' : '-',
+ vma->vm_flags & VM_IO ? 'i' : '-',
VM_OFFSET(vma));
#if defined(__i386__)
pgprot = pgprot_val(vma->vm_page_prot);
DRM_PROC_PRINT(" %c%c%c%c%c%c%c%c%c",
- pgprot & _PAGE_PRESENT ? 'p' : '-',
- pgprot & _PAGE_RW ? 'w' : 'r',
- pgprot & _PAGE_USER ? 'u' : 's',
- pgprot & _PAGE_PWT ? 't' : 'b',
- pgprot & _PAGE_PCD ? 'u' : 'c',
+ pgprot & _PAGE_PRESENT ? 'p' : '-',
+ pgprot & _PAGE_RW ? 'w' : 'r',
+ pgprot & _PAGE_USER ? 'u' : 's',
+ pgprot & _PAGE_PWT ? 't' : 'b',
+ pgprot & _PAGE_PCD ? 'u' : 'c',
pgprot & _PAGE_ACCESSED ? 'a' : '-',
- pgprot & _PAGE_DIRTY ? 'd' : '-',
- pgprot & _PAGE_PSE ? 'm' : 'k',
- pgprot & _PAGE_GLOBAL ? 'g' : 'l' );
+ pgprot & _PAGE_DIRTY ? 'd' : '-',
+ pgprot & _PAGE_PSE ? 'm' : 'k',
+ pgprot & _PAGE_GLOBAL ? 'g' : 'l');
#endif
DRM_PROC_PRINT("\n");
}
- if (len > request + offset) return request;
+ if (len > request + offset)
+ return request;
*eof = 1;
return len - offset;
}
static int drm_vma_info(char *buf, char **start, off_t offset, int request,
- int *eof, void *data)
+ int *eof, void *data)
{
- drm_device_t *dev = (drm_device_t *)data;
- int ret;
+ drm_device_t *dev = (drm_device_t *) data;
+ int ret;
down(&dev->struct_sem);
ret = drm__vma_info(buf, start, offset, request, eof, data);
return ret;
}
#endif
-
-
#include "drm_core.h"
unsigned int drm_cards_limit = 16; /* Enough for one machine */
-unsigned int drm_debug = 0; /* 1 to enable debug output */
+unsigned int drm_debug = 0; /* 1 to enable debug output */
EXPORT_SYMBOL(drm_debug);
-MODULE_AUTHOR( CORE_AUTHOR );
-MODULE_DESCRIPTION( CORE_DESC );
+MODULE_AUTHOR(CORE_AUTHOR);
+MODULE_DESCRIPTION(CORE_DESC);
MODULE_LICENSE("GPL and additional rights");
MODULE_PARM_DESC(cards_limit, "Maximum number of graphics cards");
MODULE_PARM_DESC(debug, "Enable debug output");
module_param_named(cards_limit, drm_cards_limit, int, 0444);
- module_param_named(debug, drm_debug, int, 0666);
+ module_param_named(debug, drm_debug, int, 0600);
drm_head_t **drm_heads;
struct drm_sysfs_class *drm_class;
struct proc_dir_entry *drm_proc_root;
-static int drm_fill_in_dev(drm_device_t *dev, struct pci_dev *pdev, const struct pci_device_id *ent, struct drm_driver *driver)
+static int drm_fill_in_dev(drm_device_t * dev, struct pci_dev *pdev,
+ const struct pci_device_id *ent,
+ struct drm_driver *driver)
{
int retcode;
spin_lock_init(&dev->count_lock);
- init_timer( &dev->timer );
- sema_init( &dev->struct_sem, 1 );
- sema_init( &dev->ctxlist_sem, 1 );
+ init_timer(&dev->timer);
+ sema_init(&dev->struct_sem, 1);
+ sema_init(&dev->ctxlist_sem, 1);
- dev->pdev = pdev;
+ dev->pdev = pdev;
#ifdef __alpha__
- dev->hose = pdev->sysdata;
+ dev->hose = pdev->sysdata;
dev->pci_domain = dev->hose->bus->number;
#else
dev->pci_domain = 0;
/* the DRM has 6 basic 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;
+ 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;
dev->driver = driver;
-
+
if (dev->driver->preinit)
if ((retcode = dev->driver->preinit(dev, ent->driver_data)))
goto error_out_unreg;
if (drm_core_has_AGP(dev)) {
if (drm_device_is_agp(dev))
dev->agp = drm_agp_init(dev);
- if (drm_core_check_feature(dev, DRIVER_REQUIRE_AGP) && (dev->agp == NULL)) {
- DRM_ERROR( "Cannot initialize the agpgart module.\n" );
+ 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 );
+ 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" );
+ retcode = drm_ctxbitmap_init(dev);
+ if (retcode) {
+ DRM_ERROR("Cannot allocate memory for context bitmap.\n");
goto error_out_unreg;
}
return 0;
-
-error_out_unreg:
+
+ error_out_unreg:
drm_takedown(dev);
return retcode;
}
int minor = iminor(inode);
int err = -ENODEV;
struct file_operations *old_fops;
-
+
DRM_DEBUG("\n");
if (!((minor >= 0) && (minor < drm_cards_limit)))
if (!drm_heads[minor])
return -ENODEV;
-
+
if (!(dev = drm_heads[minor]->dev))
return -ENODEV;
* create the proc init entry via proc_init(). This routines assigns
* minor numbers to secondary heads of multi-headed cards
*/
-static int drm_get_head(drm_device_t *dev, drm_head_t *head)
+static int drm_get_head(drm_device_t * dev, drm_head_t * head)
{
drm_head_t **heads = drm_heads;
int ret;
for (minor = 0; minor < drm_cards_limit; minor++, heads++) {
if (!*heads) {
-
+
*head = (drm_head_t) {
- .dev = dev,
- .device = MKDEV(DRM_MAJOR, minor),
- .minor = minor,
- };
-
- if ((ret = drm_proc_init(dev, minor, drm_proc_root, &head->dev_root))) {
- printk (KERN_ERR "DRM: Failed to initialize /proc/dri.\n");
+ .dev = dev,.device =
+ MKDEV(DRM_MAJOR, minor),.minor = minor,};
+
+ if ((ret =
+ drm_proc_init(dev, minor, drm_proc_root,
+ &head->dev_root))) {
+ printk(KERN_ERR
+ "DRM: Failed to initialize /proc/dri.\n");
goto err_g1;
}
-
head->dev_class = drm_sysfs_device_add(drm_class,
MKDEV(DRM_MAJOR,
minor),
&dev->pdev->dev,
"card%d", minor);
if (IS_ERR(head->dev_class)) {
- printk(KERN_ERR "DRM: Error sysfs_device_add.\n");
+ printk(KERN_ERR
+ "DRM: Error sysfs_device_add.\n");
ret = PTR_ERR(head->dev_class);
goto err_g2;
}
}
DRM_ERROR("out of minors\n");
return -ENOMEM;
-err_g2:
+ err_g2:
drm_proc_cleanup(minor, drm_proc_root, head->dev_root);
-err_g1:
- *head = (drm_head_t) {.dev = NULL};
+ err_g1:
+ *head = (drm_head_t) {
+ .dev = NULL};
return ret;
}
-
+
/**
* Register.
*
* Try and register, if we fail to register, backout previous work.
*/
int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent,
- struct drm_driver *driver)
+ struct drm_driver *driver)
{
drm_device_t *dev;
int ret;
return 0;
-err_g1:
+ err_g1:
drm_free(dev, sizeof(*dev), DRM_MEM_STUB);
return ret;
}
+
EXPORT_SYMBOL(drm_get_dev);
/**
* last minor released.
*
*/
-int drm_put_head(drm_head_t *head)
+int drm_put_head(drm_head_t * head)
{
int minor = head->minor;
-
+
DRM_DEBUG("release secondary minor %d\n", minor);
-
+
drm_proc_cleanup(minor, drm_proc_root, head->dev_root);
drm_sysfs_device_remove(MKDEV(DRM_MAJOR, head->minor));
-
- *head = (drm_head_t){.dev = NULL};
+
+ *head = (drm_head_t) {
+ .dev = NULL};
drm_heads[minor] = NULL;
-
+
return 0;
}
-
/**
* \file mga_dma.c
* DMA support for MGA G200 / G400.
- *
+ *
* \author Rickard E. (Rik) Faith <faith@valinux.com>
* \author Jeff Hartmann <jhartmann@valinux.com>
* \author Keith Whitwell <keith@tungstengraphics.com>
#define MGA_DEFAULT_USEC_TIMEOUT 10000
#define MGA_FREELIST_DEBUG 0
-static int mga_do_cleanup_dma( drm_device_t *dev );
+static int mga_do_cleanup_dma(drm_device_t * dev);
/* ================================================================
* Engine control
*/
-int mga_do_wait_for_idle( drm_mga_private_t *dev_priv )
+int mga_do_wait_for_idle(drm_mga_private_t * dev_priv)
{
u32 status = 0;
int i;
- DRM_DEBUG( "\n" );
+ DRM_DEBUG("\n");
- for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) {
- status = MGA_READ( MGA_STATUS ) & MGA_ENGINE_IDLE_MASK;
- if ( status == MGA_ENDPRDMASTS ) {
- MGA_WRITE8( MGA_CRTC_INDEX, 0 );
+ for (i = 0; i < dev_priv->usec_timeout; i++) {
+ status = MGA_READ(MGA_STATUS) & MGA_ENGINE_IDLE_MASK;
+ if (status == MGA_ENDPRDMASTS) {
+ MGA_WRITE8(MGA_CRTC_INDEX, 0);
return 0;
}
- DRM_UDELAY( 1 );
+ DRM_UDELAY(1);
}
#if MGA_DMA_DEBUG
- DRM_ERROR( "failed!\n" );
- DRM_INFO( " status=0x%08x\n", status );
+ DRM_ERROR("failed!\n");
+ DRM_INFO(" status=0x%08x\n", status);
#endif
return DRM_ERR(EBUSY);
}
-static int mga_do_dma_reset( drm_mga_private_t *dev_priv )
+static int mga_do_dma_reset(drm_mga_private_t * dev_priv)
{
drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
drm_mga_primary_buffer_t *primary = &dev_priv->prim;
- DRM_DEBUG( "\n" );
+ DRM_DEBUG("\n");
/* The primary DMA stream should look like new right about now.
*/
* Primary DMA stream
*/
-void mga_do_dma_flush( drm_mga_private_t *dev_priv )
+void mga_do_dma_flush(drm_mga_private_t * dev_priv)
{
drm_mga_primary_buffer_t *primary = &dev_priv->prim;
u32 head, tail;
u32 status = 0;
int i;
- DMA_LOCALS;
- DRM_DEBUG( "\n" );
-
- /* We need to wait so that we can do an safe flush */
- for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) {
- status = MGA_READ( MGA_STATUS ) & MGA_ENGINE_IDLE_MASK;
- if ( status == MGA_ENDPRDMASTS ) break;
- DRM_UDELAY( 1 );
+ DMA_LOCALS;
+ DRM_DEBUG("\n");
+
+ /* We need to wait so that we can do an safe flush */
+ for (i = 0; i < dev_priv->usec_timeout; i++) {
+ status = MGA_READ(MGA_STATUS) & MGA_ENGINE_IDLE_MASK;
+ if (status == MGA_ENDPRDMASTS)
+ break;
+ DRM_UDELAY(1);
}
- if ( primary->tail == primary->last_flush ) {
- DRM_DEBUG( " bailing out...\n" );
+ if (primary->tail == primary->last_flush) {
+ DRM_DEBUG(" bailing out...\n");
return;
}
* actually (partially?) reads the first of these commands.
* See page 4-16 in the G400 manual, middle of the page or so.
*/
- BEGIN_DMA( 1 );
+ BEGIN_DMA(1);
- DMA_BLOCK( MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000 );
+ DMA_BLOCK(MGA_DMAPAD, 0x00000000,
+ MGA_DMAPAD, 0x00000000,
+ MGA_DMAPAD, 0x00000000, MGA_DMAPAD, 0x00000000);
ADVANCE_DMA();
primary->last_flush = primary->tail;
- head = MGA_READ( MGA_PRIMADDRESS );
+ head = MGA_READ(MGA_PRIMADDRESS);
- if ( head <= tail ) {
+ if (head <= tail) {
primary->space = primary->size - primary->tail;
} else {
primary->space = head - tail;
}
- DRM_DEBUG( " head = 0x%06lx\n", head - dev_priv->primary->offset );
- DRM_DEBUG( " tail = 0x%06lx\n", tail - dev_priv->primary->offset );
- DRM_DEBUG( " space = 0x%06x\n", primary->space );
+ DRM_DEBUG(" head = 0x%06lx\n", head - dev_priv->primary->offset);
+ DRM_DEBUG(" tail = 0x%06lx\n", tail - dev_priv->primary->offset);
+ DRM_DEBUG(" space = 0x%06x\n", primary->space);
mga_flush_write_combine();
MGA_WRITE(MGA_PRIMEND, tail | dev_priv->dma_access);
- DRM_DEBUG( "done.\n" );
+ DRM_DEBUG("done.\n");
}
-void mga_do_dma_wrap_start( drm_mga_private_t *dev_priv )
+void mga_do_dma_wrap_start(drm_mga_private_t * dev_priv)
{
drm_mga_primary_buffer_t *primary = &dev_priv->prim;
u32 head, tail;
DMA_LOCALS;
- DRM_DEBUG( "\n" );
+ DRM_DEBUG("\n");
BEGIN_DMA_WRAP();
- DMA_BLOCK( MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000,
- MGA_DMAPAD, 0x00000000 );
+ DMA_BLOCK(MGA_DMAPAD, 0x00000000,
+ MGA_DMAPAD, 0x00000000,
+ MGA_DMAPAD, 0x00000000, MGA_DMAPAD, 0x00000000);
ADVANCE_DMA();
primary->last_flush = 0;
primary->last_wrap++;
- head = MGA_READ( MGA_PRIMADDRESS );
+ head = MGA_READ(MGA_PRIMADDRESS);
- if ( head == dev_priv->primary->offset ) {
+ if (head == dev_priv->primary->offset) {
primary->space = primary->size;
} else {
primary->space = head - dev_priv->primary->offset;
}
- DRM_DEBUG( " head = 0x%06lx\n",
- head - dev_priv->primary->offset );
- DRM_DEBUG( " tail = 0x%06x\n", primary->tail );
- DRM_DEBUG( " wrap = %d\n", primary->last_wrap );
- DRM_DEBUG( " space = 0x%06x\n", primary->space );
+ DRM_DEBUG(" head = 0x%06lx\n", head - dev_priv->primary->offset);
+ DRM_DEBUG(" tail = 0x%06x\n", primary->tail);
+ DRM_DEBUG(" wrap = %d\n", primary->last_wrap);
+ DRM_DEBUG(" space = 0x%06x\n", primary->space);
mga_flush_write_combine();
MGA_WRITE(MGA_PRIMEND, tail | dev_priv->dma_access);
- set_bit( 0, &primary->wrapped );
- DRM_DEBUG( "done.\n" );
+ set_bit(0, &primary->wrapped);
+ DRM_DEBUG("done.\n");
}
-void mga_do_dma_wrap_end( drm_mga_private_t *dev_priv )
+void mga_do_dma_wrap_end(drm_mga_private_t * dev_priv)
{
drm_mga_primary_buffer_t *primary = &dev_priv->prim;
drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
u32 head = dev_priv->primary->offset;
- DRM_DEBUG( "\n" );
+ DRM_DEBUG("\n");
sarea_priv->last_wrap++;
- DRM_DEBUG( " wrap = %d\n", sarea_priv->last_wrap );
+ DRM_DEBUG(" wrap = %d\n", sarea_priv->last_wrap);
mga_flush_write_combine();
- MGA_WRITE( MGA_PRIMADDRESS, head | MGA_DMA_GENERAL );
+ MGA_WRITE(MGA_PRIMADDRESS, head | MGA_DMA_GENERAL);
- clear_bit( 0, &primary->wrapped );
- DRM_DEBUG( "done.\n" );
+ clear_bit(0, &primary->wrapped);
+ DRM_DEBUG("done.\n");
}
-
/* ================================================================
* Freelist management
*/
#define MGA_BUFFER_FREE 0
#if MGA_FREELIST_DEBUG
-static void mga_freelist_print( drm_device_t *dev )
+static void mga_freelist_print(drm_device_t * dev)
{
drm_mga_private_t *dev_priv = dev->dev_private;
drm_mga_freelist_t *entry;
- DRM_INFO( "\n" );
- DRM_INFO( "current dispatch: last=0x%x done=0x%x\n",
- dev_priv->sarea_priv->last_dispatch,
- (unsigned int)(MGA_READ( MGA_PRIMADDRESS ) -
- dev_priv->primary->offset) );
- DRM_INFO( "current freelist:\n" );
-
- for ( entry = dev_priv->head->next ; entry ; entry = entry->next ) {
- DRM_INFO( " %p idx=%2d age=0x%x 0x%06lx\n",
- entry, entry->buf->idx, entry->age.head,
- entry->age.head - dev_priv->primary->offset );
+ DRM_INFO("\n");
+ DRM_INFO("current dispatch: last=0x%x done=0x%x\n",
+ dev_priv->sarea_priv->last_dispatch,
+ (unsigned int)(MGA_READ(MGA_PRIMADDRESS) -
+ dev_priv->primary->offset));
+ DRM_INFO("current freelist:\n");
+
+ for (entry = dev_priv->head->next; entry; entry = entry->next) {
+ DRM_INFO(" %p idx=%2d age=0x%x 0x%06lx\n",
+ entry, entry->buf->idx, entry->age.head,
+ entry->age.head - dev_priv->primary->offset);
}
- DRM_INFO( "\n" );
+ DRM_INFO("\n");
}
#endif
-static int mga_freelist_init( drm_device_t *dev, drm_mga_private_t *dev_priv )
+static int mga_freelist_init(drm_device_t * dev, drm_mga_private_t * dev_priv)
{
drm_device_dma_t *dma = dev->dma;
drm_buf_t *buf;
drm_mga_buf_priv_t *buf_priv;
drm_mga_freelist_t *entry;
int i;
- DRM_DEBUG( "count=%d\n", dma->buf_count );
+ DRM_DEBUG("count=%d\n", dma->buf_count);
- dev_priv->head = drm_alloc( sizeof(drm_mga_freelist_t),
- DRM_MEM_DRIVER );
- if ( dev_priv->head == NULL )
+ dev_priv->head = drm_alloc(sizeof(drm_mga_freelist_t), DRM_MEM_DRIVER);
+ if (dev_priv->head == NULL)
return DRM_ERR(ENOMEM);
- memset( dev_priv->head, 0, sizeof(drm_mga_freelist_t) );
- SET_AGE( &dev_priv->head->age, MGA_BUFFER_USED, 0 );
+ memset(dev_priv->head, 0, sizeof(drm_mga_freelist_t));
+ SET_AGE(&dev_priv->head->age, MGA_BUFFER_USED, 0);
- for ( i = 0 ; i < dma->buf_count ; i++ ) {
+ for (i = 0; i < dma->buf_count; i++) {
buf = dma->buflist[i];
- buf_priv = buf->dev_private;
+ buf_priv = buf->dev_private;
- entry = drm_alloc( sizeof(drm_mga_freelist_t),
- DRM_MEM_DRIVER );
- if ( entry == NULL )
+ entry = drm_alloc(sizeof(drm_mga_freelist_t), DRM_MEM_DRIVER);
+ if (entry == NULL)
return DRM_ERR(ENOMEM);
- memset( entry, 0, sizeof(drm_mga_freelist_t) );
+ memset(entry, 0, sizeof(drm_mga_freelist_t));
entry->next = dev_priv->head->next;
entry->prev = dev_priv->head;
- SET_AGE( &entry->age, MGA_BUFFER_FREE, 0 );
+ SET_AGE(&entry->age, MGA_BUFFER_FREE, 0);
entry->buf = buf;
- if ( dev_priv->head->next != NULL )
+ if (dev_priv->head->next != NULL)
dev_priv->head->next->prev = entry;
- if ( entry->next == NULL )
+ if (entry->next == NULL)
dev_priv->tail = entry;
buf_priv->list_entry = entry;
return 0;
}
-static void mga_freelist_cleanup( drm_device_t *dev )
+static void mga_freelist_cleanup(drm_device_t * dev)
{
drm_mga_private_t *dev_priv = dev->dev_private;
drm_mga_freelist_t *entry;
drm_mga_freelist_t *next;
- DRM_DEBUG( "\n" );
+ DRM_DEBUG("\n");
entry = dev_priv->head;
- while ( entry ) {
+ while (entry) {
next = entry->next;
- drm_free( entry, sizeof(drm_mga_freelist_t), DRM_MEM_DRIVER );
+ drm_free(entry, sizeof(drm_mga_freelist_t), DRM_MEM_DRIVER);
entry = next;
}
#if 0
/* FIXME: Still needed?
*/
-static void mga_freelist_reset( drm_device_t *dev )
+static void mga_freelist_reset(drm_device_t * dev)
{
drm_device_dma_t *dma = dev->dma;
drm_buf_t *buf;
drm_mga_buf_priv_t *buf_priv;
int i;
- for ( i = 0 ; i < dma->buf_count ; i++ ) {
+ for (i = 0; i < dma->buf_count; i++) {
buf = dma->buflist[i];
- buf_priv = buf->dev_private;
- SET_AGE( &buf_priv->list_entry->age,
- MGA_BUFFER_FREE, 0 );
+ buf_priv = buf->dev_private;
+ SET_AGE(&buf_priv->list_entry->age, MGA_BUFFER_FREE, 0);
}
}
#endif
-static drm_buf_t *mga_freelist_get( drm_device_t *dev )
+static drm_buf_t *mga_freelist_get(drm_device_t * dev)
{
drm_mga_private_t *dev_priv = dev->dev_private;
drm_mga_freelist_t *next;
drm_mga_freelist_t *prev;
drm_mga_freelist_t *tail = dev_priv->tail;
u32 head, wrap;
- DRM_DEBUG( "\n" );
+ DRM_DEBUG("\n");
- head = MGA_READ( MGA_PRIMADDRESS );
+ head = MGA_READ(MGA_PRIMADDRESS);
wrap = dev_priv->sarea_priv->last_wrap;
- DRM_DEBUG( " tail=0x%06lx %d\n",
- tail->age.head ?
- tail->age.head - dev_priv->primary->offset : 0,
- tail->age.wrap );
- DRM_DEBUG( " head=0x%06lx %d\n",
- head - dev_priv->primary->offset, wrap );
+ DRM_DEBUG(" tail=0x%06lx %d\n",
+ tail->age.head ?
+ tail->age.head - dev_priv->primary->offset : 0,
+ tail->age.wrap);
+ DRM_DEBUG(" head=0x%06lx %d\n",
+ head - dev_priv->primary->offset, wrap);
- if ( TEST_AGE( &tail->age, head, wrap ) ) {
+ if (TEST_AGE(&tail->age, head, wrap)) {
prev = dev_priv->tail->prev;
next = dev_priv->tail;
prev->next = NULL;
next->prev = next->next = NULL;
dev_priv->tail = prev;
- SET_AGE( &next->age, MGA_BUFFER_USED, 0 );
+ SET_AGE(&next->age, MGA_BUFFER_USED, 0);
return next->buf;
}
- DRM_DEBUG( "returning NULL!\n" );
+ DRM_DEBUG("returning NULL!\n");
return NULL;
}
-int mga_freelist_put( drm_device_t *dev, drm_buf_t *buf )
+int mga_freelist_put(drm_device_t * dev, drm_buf_t * buf)
{
drm_mga_private_t *dev_priv = dev->dev_private;
drm_mga_buf_priv_t *buf_priv = buf->dev_private;
drm_mga_freelist_t *head, *entry, *prev;
- DRM_DEBUG( "age=0x%06lx wrap=%d\n",
- buf_priv->list_entry->age.head -
- dev_priv->primary->offset,
- buf_priv->list_entry->age.wrap );
+ DRM_DEBUG("age=0x%06lx wrap=%d\n",
+ buf_priv->list_entry->age.head -
+ dev_priv->primary->offset, buf_priv->list_entry->age.wrap);
entry = buf_priv->list_entry;
head = dev_priv->head;
- if ( buf_priv->list_entry->age.head == MGA_BUFFER_USED ) {
- SET_AGE( &entry->age, MGA_BUFFER_FREE, 0 );
+ if (buf_priv->list_entry->age.head == MGA_BUFFER_USED) {
+ SET_AGE(&entry->age, MGA_BUFFER_FREE, 0);
prev = dev_priv->tail;
prev->next = entry;
entry->prev = prev;
return 0;
}
-
/* ================================================================
* DMA initialization, cleanup
*/
-
-int mga_driver_preinit(drm_device_t *dev, unsigned long flags)
+int mga_driver_preinit(drm_device_t * dev, unsigned long flags)
{
- drm_mga_private_t * dev_priv;
+ drm_mga_private_t *dev_priv;
dev_priv = drm_alloc(sizeof(drm_mga_private_t), DRM_MEM_DRIVER);
if (!dev_priv)
#if __OS_HAS_AGP
/**
* Bootstrap the driver for AGP DMA.
- *
+ *
* \todo
* Investigate whether there is any benifit to storing the WARP microcode in
* AGP memory. If not, the microcode may as well always be put in PCI
static int mga_do_agp_dma_bootstrap(drm_device_t * dev,
drm_mga_dma_bootstrap_t * dma_bs)
{
- drm_mga_private_t * const dev_priv = (drm_mga_private_t *) dev->dev_private;
+ drm_mga_private_t *const dev_priv =
+ (drm_mga_private_t *) dev->dev_private;
- const unsigned int warp_size = mga_warp_microcode_size(dev_priv);
+ unsigned int warp_size = mga_warp_microcode_size(dev_priv);
int err;
- unsigned offset;
+ unsigned offset;
const unsigned secondary_size = dma_bs->secondary_bin_count
- * dma_bs->secondary_bin_size;
+ * dma_bs->secondary_bin_size;
const unsigned agp_size = (dma_bs->agp_size << 20);
drm_buf_desc_t req;
drm_agp_mode_t mode;
drm_agp_info_t info;
-
/* Acquire AGP. */
err = drm_agp_acquire(dev);
if (err) {
return err;
}
-
/* In addition to the usual AGP mode configuration, the G200 AGP cards
* need to have the AGP mode "manually" set.
*/
if (dev_priv->chipset == MGA_CARD_TYPE_G200) {
if (mode.mode & 0x02) {
MGA_WRITE(MGA_AGP_PLL, MGA_AGP2XPLL_ENABLE);
- }
- else {
+ } else {
MGA_WRITE(MGA_AGP_PLL, MGA_AGP2XPLL_DISABLE);
}
}
-
/* Allocate and bind AGP memory. */
dev_priv->agp_pages = agp_size / PAGE_SIZE;
- dev_priv->agp_mem = drm_alloc_agp( dev, dev_priv->agp_pages, 0 );
+ dev_priv->agp_mem = drm_alloc_agp(dev, dev_priv->agp_pages, 0);
if (dev_priv->agp_mem == NULL) {
dev_priv->agp_pages = 0;
DRM_ERROR("Unable to allocate %uMB AGP memory\n",
dma_bs->agp_size);
return DRM_ERR(ENOMEM);
}
-
- err = drm_bind_agp( dev_priv->agp_mem, 0 );
+
+ err = drm_bind_agp(dev_priv->agp_mem, 0);
if (err) {
DRM_ERROR("Unable to bind AGP memory\n");
return err;
}
+ /* Make drm_addbufs happy by not trying to create a mapping for less
+ * than a page.
+ */
+ if (warp_size < PAGE_SIZE)
+ warp_size = PAGE_SIZE;
+
offset = 0;
- err = drm_addmap( dev, offset, warp_size,
- _DRM_AGP, _DRM_READ_ONLY, & dev_priv->warp );
+ err = drm_addmap(dev, offset, warp_size,
+ _DRM_AGP, _DRM_READ_ONLY, &dev_priv->warp);
if (err) {
DRM_ERROR("Unable to map WARP microcode\n");
return err;
}
offset += warp_size;
- err = drm_addmap( dev, offset, dma_bs->primary_size,
- _DRM_AGP, _DRM_READ_ONLY, & dev_priv->primary );
+ err = drm_addmap(dev, offset, dma_bs->primary_size,
+ _DRM_AGP, _DRM_READ_ONLY, &dev_priv->primary);
if (err) {
DRM_ERROR("Unable to map primary DMA region\n");
return err;
}
offset += dma_bs->primary_size;
- err = drm_addmap( dev, offset, secondary_size,
- _DRM_AGP, 0, & dev->agp_buffer_map );
+ err = drm_addmap(dev, offset, secondary_size,
+ _DRM_AGP, 0, &dev->agp_buffer_map);
if (err) {
DRM_ERROR("Unable to map secondary DMA region\n");
return err;
}
- (void) memset( &req, 0, sizeof(req) );
+ (void)memset(&req, 0, sizeof(req));
req.count = dma_bs->secondary_bin_count;
req.size = dma_bs->secondary_bin_size;
req.flags = _DRM_AGP_BUFFER;
req.agp_start = offset;
- err = drm_addbufs_agp( dev, & req );
+ err = drm_addbufs_agp(dev, &req);
if (err) {
DRM_ERROR("Unable to add secondary DMA buffers\n");
return err;
}
offset += secondary_size;
- err = drm_addmap( dev, offset, agp_size - offset,
- _DRM_AGP, 0, & dev_priv->agp_textures );
+ err = drm_addmap(dev, offset, agp_size - offset,
+ _DRM_AGP, 0, &dev_priv->agp_textures);
if (err) {
DRM_ERROR("Unable to map AGP texture region\n");
return err;
/**
* Bootstrap the driver for PCI DMA.
- *
+ *
* \todo
* The algorithm for decreasing the size of the primary DMA buffer could be
* better. The size should be rounded up to the nearest page size, then
* \todo
* Determine whether the maximum address passed to drm_pci_alloc is correct.
* The same goes for drm_addbufs_pci.
- *
+ *
* \sa mga_do_dma_bootstrap, mga_do_agp_dma_bootstrap
*/
static int mga_do_pci_dma_bootstrap(drm_device_t * dev,
drm_mga_dma_bootstrap_t * dma_bs)
{
- drm_mga_private_t * const dev_priv = (drm_mga_private_t *) dev->dev_private;
+ drm_mga_private_t *const dev_priv =
+ (drm_mga_private_t *) dev->dev_private;
- const unsigned int warp_size = mga_warp_microcode_size(dev_priv);
+ unsigned int warp_size = mga_warp_microcode_size(dev_priv);
unsigned int primary_size;
unsigned int bin_count;
int err;
drm_buf_desc_t req;
-
if (dev->dma == NULL) {
DRM_ERROR("dev->dma is NULL\n");
return DRM_ERR(EFAULT);
}
+ /* Make drm_addbufs happy by not trying to create a mapping for less
+ * than a page.
+ */
+ if (warp_size < PAGE_SIZE)
+ warp_size = PAGE_SIZE;
+
/* The proper alignment is 0x100 for this mapping */
err = drm_addmap(dev, 0, warp_size, _DRM_CONSISTENT,
_DRM_READ_ONLY, &dev_priv->warp);
* alignment of the primary or secondary DMA buffers.
*/
- for ( primary_size = dma_bs->primary_size
- ; primary_size != 0
- ; primary_size >>= 1 ) {
+ for (primary_size = dma_bs->primary_size; primary_size != 0;
+ primary_size >>= 1) {
/* The proper alignment for this mapping is 0x04 */
err = drm_addmap(dev, 0, primary_size, _DRM_CONSISTENT,
_DRM_READ_ONLY, &dev_priv->primary);
if (dev_priv->primary->size != dma_bs->primary_size) {
DRM_INFO("Primary DMA buffer size reduced from %u to %u.\n",
- dma_bs->primary_size,
- (unsigned) dev_priv->primary->size);
+ dma_bs->primary_size,
+ (unsigned)dev_priv->primary->size);
dma_bs->primary_size = dev_priv->primary->size;
}
- for ( bin_count = dma_bs->secondary_bin_count
- ; bin_count > 0
- ; bin_count-- ) {
- (void) memset( &req, 0, sizeof(req) );
+ for (bin_count = dma_bs->secondary_bin_count; bin_count > 0;
+ bin_count--) {
+ (void)memset(&req, 0, sizeof(req));
req.count = bin_count;
req.size = dma_bs->secondary_bin_size;
- err = drm_addbufs_pci( dev, & req );
+ err = drm_addbufs_pci(dev, &req);
if (!err) {
break;
}
}
-
+
if (bin_count == 0) {
DRM_ERROR("Unable to add secondary DMA buffers\n");
return err;
return 0;
}
-
static int mga_do_dma_bootstrap(drm_device_t * dev,
drm_mga_dma_bootstrap_t * dma_bs)
{
const int is_agp = (dma_bs->agp_mode != 0) && drm_device_is_agp(dev);
int err;
- drm_mga_private_t * const dev_priv =
- (drm_mga_private_t *) dev->dev_private;
-
+ drm_mga_private_t *const dev_priv =
+ (drm_mga_private_t *) dev->dev_private;
dev_priv->used_new_dma_init = 1;
/* The first steps are the same for both PCI and AGP based DMA. Map
* the cards MMIO registers and map a status page.
*/
- err = drm_addmap( dev, dev_priv->mmio_base, dev_priv->mmio_size,
- _DRM_REGISTERS, _DRM_READ_ONLY, & dev_priv->mmio );
+ err = drm_addmap(dev, dev_priv->mmio_base, dev_priv->mmio_size,
+ _DRM_REGISTERS, _DRM_READ_ONLY, &dev_priv->mmio);
if (err) {
DRM_ERROR("Unable to map MMIO region\n");
return err;
}
-
- err = drm_addmap( dev, 0, SAREA_MAX, _DRM_SHM,
- _DRM_READ_ONLY | _DRM_LOCKED | _DRM_KERNEL,
- & dev_priv->status );
+ err = drm_addmap(dev, 0, SAREA_MAX, _DRM_SHM,
+ _DRM_READ_ONLY | _DRM_LOCKED | _DRM_KERNEL,
+ &dev_priv->status);
if (err) {
DRM_ERROR("Unable to map status region\n");
return err;
}
-
/* The DMA initialization procedure is slightly different for PCI and
* AGP cards. AGP cards just allocate a large block of AGP memory and
* carve off portions of it for internal uses. The remaining memory
if (is_agp) {
err = mga_do_agp_dma_bootstrap(dev, dma_bs);
}
-
+
/* If we attempted to initialize the card for AGP DMA but failed,
* clean-up any mess that may have been created.
*/
mga_do_cleanup_dma(dev);
}
-
/* Not only do we want to try and initialized PCI cards for PCI DMA,
* but we also try to initialized AGP cards that could not be
* initialized for AGP DMA. This covers the case where we have an AGP
err = mga_do_pci_dma_bootstrap(dev, dma_bs);
}
-
return err;
}
drm_mga_dma_bootstrap_t bootstrap;
int err;
-
DRM_COPY_FROM_USER_IOCTL(bootstrap,
(drm_mga_dma_bootstrap_t __user *) data,
sizeof(bootstrap));
- err = mga_do_dma_bootstrap(dev, & bootstrap);
- if (! err) {
+ err = mga_do_dma_bootstrap(dev, &bootstrap);
+ if (!err) {
static const int modes[] = { 0, 1, 2, 2, 4, 4, 4, 4 };
- const drm_mga_private_t * const dev_priv =
- (drm_mga_private_t *) dev->dev_private;
+ const drm_mga_private_t *const dev_priv =
+ (drm_mga_private_t *) dev->dev_private;
if (dev_priv->agp_textures != NULL) {
- bootstrap.texture_handle = dev_priv->agp_textures->offset;
+ bootstrap.texture_handle =
+ dev_priv->agp_textures->offset;
bootstrap.texture_size = dev_priv->agp_textures->size;
- }
- else {
+ } else {
bootstrap.texture_handle = 0;
bootstrap.texture_size = 0;
}
- bootstrap.agp_mode = modes[ bootstrap.agp_mode & 0x07 ];
- if (DRM_COPY_TO_USER( (void __user *) data, & bootstrap,
+ bootstrap.agp_mode = modes[bootstrap.agp_mode & 0x07];
+ if (DRM_COPY_TO_USER((void __user *)data, &bootstrap,
sizeof(bootstrap))) {
err = DRM_ERR(EFAULT);
}
- }
- else {
+ } else {
mga_do_cleanup_dma(dev);
}
return err;
}
-static int mga_do_init_dma( drm_device_t *dev, drm_mga_init_t *init )
+static int mga_do_init_dma(drm_device_t * dev, drm_mga_init_t * init)
{
drm_mga_private_t *dev_priv;
int ret;
- DRM_DEBUG( "\n" );
-
+ DRM_DEBUG("\n");
dev_priv = dev->dev_private;
} else {
dev_priv->clear_cmd = MGA_DWGCTL_CLEAR | MGA_ATYPE_RSTR;
}
- dev_priv->maccess = init->maccess;
+ dev_priv->maccess = init->maccess;
- dev_priv->fb_cpp = init->fb_cpp;
- dev_priv->front_offset = init->front_offset;
- dev_priv->front_pitch = init->front_pitch;
- dev_priv->back_offset = init->back_offset;
- dev_priv->back_pitch = init->back_pitch;
+ dev_priv->fb_cpp = init->fb_cpp;
+ dev_priv->front_offset = init->front_offset;
+ dev_priv->front_pitch = init->front_pitch;
+ dev_priv->back_offset = init->back_offset;
+ dev_priv->back_pitch = init->back_pitch;
- dev_priv->depth_cpp = init->depth_cpp;
- dev_priv->depth_offset = init->depth_offset;
- dev_priv->depth_pitch = init->depth_pitch;
+ dev_priv->depth_cpp = init->depth_cpp;
+ dev_priv->depth_offset = init->depth_offset;
+ dev_priv->depth_pitch = init->depth_pitch;
/* FIXME: Need to support AGP textures...
*/
return DRM_ERR(EINVAL);
}
- if (! dev_priv->used_new_dma_init) {
+ if (!dev_priv->used_new_dma_init) {
+
+ dev_priv->dma_access = MGA_PAGPXFER;
+ dev_priv->wagp_enable = MGA_WAGP_ENABLE;
+
dev_priv->status = drm_core_findmap(dev, init->status_offset);
if (!dev_priv->status) {
DRM_ERROR("failed to find status page!\n");
return DRM_ERR(EINVAL);
}
dev->agp_buffer_token = init->buffers_offset;
- dev->agp_buffer_map = drm_core_findmap(dev, init->buffers_offset);
+ dev->agp_buffer_map =
+ drm_core_findmap(dev, init->buffers_offset);
if (!dev->agp_buffer_map) {
DRM_ERROR("failed to find dma buffer region!\n");
return DRM_ERR(EINVAL);
}
dev_priv->sarea_priv =
- (drm_mga_sarea_t *)((u8 *)dev_priv->sarea->handle +
- init->sarea_priv_offset);
+ (drm_mga_sarea_t *) ((u8 *) dev_priv->sarea->handle +
+ init->sarea_priv_offset);
if (!dev_priv->warp->handle ||
!dev_priv->primary->handle ||
return ret;
}
- dev_priv->prim.status = (u32 *)dev_priv->status->handle;
+ dev_priv->prim.status = (u32 *) dev_priv->status->handle;
- mga_do_wait_for_idle( dev_priv );
+ mga_do_wait_for_idle(dev_priv);
/* Init the primary DMA registers.
*/
- MGA_WRITE( MGA_PRIMADDRESS,
- dev_priv->primary->offset | MGA_DMA_GENERAL );
+ MGA_WRITE(MGA_PRIMADDRESS, dev_priv->primary->offset | MGA_DMA_GENERAL);
#if 0
- MGA_WRITE( MGA_PRIMPTR,
- virt_to_bus((void *)dev_priv->prim.status) |
- MGA_PRIMPTREN0 | /* Soft trap, SECEND, SETUPEND */
- MGA_PRIMPTREN1 ); /* DWGSYNC */
+ MGA_WRITE(MGA_PRIMPTR, virt_to_bus((void *)dev_priv->prim.status) | MGA_PRIMPTREN0 | /* Soft trap, SECEND, SETUPEND */
+ MGA_PRIMPTREN1); /* DWGSYNC */
#endif
- dev_priv->prim.start = (u8 *)dev_priv->primary->handle;
- dev_priv->prim.end = ((u8 *)dev_priv->primary->handle
+ dev_priv->prim.start = (u8 *) dev_priv->primary->handle;
+ dev_priv->prim.end = ((u8 *) dev_priv->primary->handle
+ dev_priv->primary->size);
dev_priv->prim.size = dev_priv->primary->size;
return 0;
}
-static int mga_do_cleanup_dma( drm_device_t *dev )
+static int mga_do_cleanup_dma(drm_device_t * dev)
{
int err = 0;
DRM_DEBUG("\n");
* may not have been called from userspace and after dev_private
* is freed, it's too late.
*/
- if ( dev->irq_enabled ) drm_irq_uninstall(dev);
+ if (dev->irq_enabled)
+ drm_irq_uninstall(dev);
- if ( dev->dev_private ) {
+ if (dev->dev_private) {
drm_mga_private_t *dev_priv = dev->dev_private;
- if ((dev_priv->warp != NULL)
+ if ((dev_priv->warp != NULL)
- && (dev_priv->mmio->type != _DRM_CONSISTENT))
+ && (dev_priv->warp->type != _DRM_CONSISTENT))
drm_core_ioremapfree(dev_priv->warp, dev);
- if ((dev_priv->primary != NULL)
+ if ((dev_priv->primary != NULL)
&& (dev_priv->primary->type != _DRM_CONSISTENT))
drm_core_ioremapfree(dev_priv->primary, dev);
dev_priv->agp_textures = NULL;
drm_unbind_agp(dev_priv->agp_mem);
- drm_free_agp(dev_priv->agp_mem, dev_priv->agp_pages);
+ drm_free_agp(dev_priv->agp_mem,
+ dev_priv->agp_pages);
dev_priv->agp_pages = 0;
dev_priv->agp_mem = NULL;
}
memset(&dev_priv->prim, 0, sizeof(dev_priv->prim));
dev_priv->warp_pipe = 0;
- memset(dev_priv->warp_pipe_phys, 0, sizeof(dev_priv->warp_pipe_phys));
+ memset(dev_priv->warp_pipe_phys, 0,
+ sizeof(dev_priv->warp_pipe_phys));
if (dev_priv->head != NULL) {
mga_freelist_cleanup(dev);
return err;
}
-int mga_dma_init( DRM_IOCTL_ARGS )
+int mga_dma_init(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
drm_mga_init_t init;
int err;
- LOCK_TEST_WITH_RETURN( dev, filp );
+ LOCK_TEST_WITH_RETURN(dev, filp);
DRM_COPY_FROM_USER_IOCTL(init, (drm_mga_init_t __user *) data,
sizeof(init));
- switch ( init.func ) {
+ switch (init.func) {
case MGA_INIT_DMA:
err = mga_do_init_dma(dev, &init);
if (err) {
- (void) mga_do_cleanup_dma(dev);
+ (void)mga_do_cleanup_dma(dev);
}
return err;
case MGA_CLEANUP_DMA:
- return mga_do_cleanup_dma( dev );
+ return mga_do_cleanup_dma(dev);
}
return DRM_ERR(EINVAL);
}
-
/* ================================================================
* Primary DMA stream management
*/
-int mga_dma_flush( DRM_IOCTL_ARGS )
+int mga_dma_flush(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
- drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private;
+ drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private;
drm_lock_t lock;
- LOCK_TEST_WITH_RETURN( dev, filp );
+ LOCK_TEST_WITH_RETURN(dev, filp);
- DRM_COPY_FROM_USER_IOCTL( lock, (drm_lock_t __user *)data, sizeof(lock) );
+ DRM_COPY_FROM_USER_IOCTL(lock, (drm_lock_t __user *) data,
+ sizeof(lock));
- DRM_DEBUG( "%s%s%s\n",
- (lock.flags & _DRM_LOCK_FLUSH) ? "flush, " : "",
- (lock.flags & _DRM_LOCK_FLUSH_ALL) ? "flush all, " : "",
- (lock.flags & _DRM_LOCK_QUIESCENT) ? "idle, " : "" );
+ DRM_DEBUG("%s%s%s\n",
+ (lock.flags & _DRM_LOCK_FLUSH) ? "flush, " : "",
+ (lock.flags & _DRM_LOCK_FLUSH_ALL) ? "flush all, " : "",
+ (lock.flags & _DRM_LOCK_QUIESCENT) ? "idle, " : "");
- WRAP_WAIT_WITH_RETURN( dev_priv );
+ WRAP_WAIT_WITH_RETURN(dev_priv);
- if ( lock.flags & (_DRM_LOCK_FLUSH | _DRM_LOCK_FLUSH_ALL) ) {
- mga_do_dma_flush( dev_priv );
+ if (lock.flags & (_DRM_LOCK_FLUSH | _DRM_LOCK_FLUSH_ALL)) {
+ mga_do_dma_flush(dev_priv);
}
- if ( lock.flags & _DRM_LOCK_QUIESCENT ) {
+ if (lock.flags & _DRM_LOCK_QUIESCENT) {
#if MGA_DMA_DEBUG
- int ret = mga_do_wait_for_idle( dev_priv );
- if ( ret < 0 )
- DRM_INFO( "%s: -EBUSY\n", __FUNCTION__ );
+ int ret = mga_do_wait_for_idle(dev_priv);
+ if (ret < 0)
+ DRM_INFO("%s: -EBUSY\n", __FUNCTION__);
return ret;
#else
- return mga_do_wait_for_idle( dev_priv );
+ return mga_do_wait_for_idle(dev_priv);
#endif
} else {
return 0;
}
}
-int mga_dma_reset( DRM_IOCTL_ARGS )
+int mga_dma_reset(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
- drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private;
+ drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private;
- LOCK_TEST_WITH_RETURN( dev, filp );
+ LOCK_TEST_WITH_RETURN(dev, filp);
- return mga_do_dma_reset( dev_priv );
+ return mga_do_dma_reset(dev_priv);
}
-
/* ================================================================
* DMA buffer management
*/
-static int mga_dma_get_buffers( DRMFILE filp,
- drm_device_t *dev, drm_dma_t *d )
+static int mga_dma_get_buffers(DRMFILE filp, drm_device_t * dev, drm_dma_t * d)
{
drm_buf_t *buf;
int i;
- for ( i = d->granted_count ; i < d->request_count ; i++ ) {
- buf = mga_freelist_get( dev );
- if ( !buf ) return DRM_ERR(EAGAIN);
+ for (i = d->granted_count; i < d->request_count; i++) {
+ buf = mga_freelist_get(dev);
+ if (!buf)
+ return DRM_ERR(EAGAIN);
buf->filp = filp;
- if ( DRM_COPY_TO_USER( &d->request_indices[i],
- &buf->idx, sizeof(buf->idx) ) )
+ if (DRM_COPY_TO_USER(&d->request_indices[i],
+ &buf->idx, sizeof(buf->idx)))
return DRM_ERR(EFAULT);
- if ( DRM_COPY_TO_USER( &d->request_sizes[i],
- &buf->total, sizeof(buf->total) ) )
+ if (DRM_COPY_TO_USER(&d->request_sizes[i],
+ &buf->total, sizeof(buf->total)))
return DRM_ERR(EFAULT);
d->granted_count++;
return 0;
}
-int mga_dma_buffers( DRM_IOCTL_ARGS )
+int mga_dma_buffers(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
drm_device_dma_t *dma = dev->dma;
- drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private;
+ drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private;
drm_dma_t __user *argp = (void __user *)data;
drm_dma_t d;
int ret = 0;
- LOCK_TEST_WITH_RETURN( dev, filp );
+ LOCK_TEST_WITH_RETURN(dev, filp);
- DRM_COPY_FROM_USER_IOCTL( d, argp, sizeof(d) );
+ DRM_COPY_FROM_USER_IOCTL(d, argp, sizeof(d));
/* Please don't send us buffers.
*/
- if ( d.send_count != 0 ) {
- DRM_ERROR( "Process %d trying to send %d buffers via drmDMA\n",
- DRM_CURRENTPID, d.send_count );
+ if (d.send_count != 0) {
+ DRM_ERROR("Process %d trying to send %d buffers via drmDMA\n",
+ DRM_CURRENTPID, d.send_count);
return DRM_ERR(EINVAL);
}
/* We'll send you buffers.
*/
- if ( d.request_count < 0 || d.request_count > dma->buf_count ) {
- DRM_ERROR( "Process %d trying to get %d buffers (of %d max)\n",
- DRM_CURRENTPID, d.request_count, dma->buf_count );
+ if (d.request_count < 0 || d.request_count > dma->buf_count) {
+ DRM_ERROR("Process %d trying to get %d buffers (of %d max)\n",
+ DRM_CURRENTPID, d.request_count, dma->buf_count);
return DRM_ERR(EINVAL);
}
- WRAP_TEST_WITH_RETURN( dev_priv );
+ WRAP_TEST_WITH_RETURN(dev_priv);
d.granted_count = 0;
- if ( d.request_count ) {
- ret = mga_dma_get_buffers( filp, dev, &d );
+ if (d.request_count) {
+ ret = mga_dma_get_buffers(filp, dev, &d);
}
- DRM_COPY_TO_USER_IOCTL( argp, d, sizeof(d) );
+ DRM_COPY_TO_USER_IOCTL(argp, d, sizeof(d));
return ret;
}
*/
void mga_driver_pretakedown(drm_device_t * dev)
{
- mga_do_cleanup_dma( dev );
+ mga_do_cleanup_dma(dev);
}
-int mga_driver_dma_quiescent(drm_device_t *dev)
+int mga_driver_dma_quiescent(drm_device_t * dev)
{
drm_mga_private_t *dev_priv = dev->dev_private;
- return mga_do_wait_for_idle( dev_priv );
+ return mga_do_wait_for_idle(dev_priv);
}
projects / linux-2.6-omap-h63xx.git / commitdiff