#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)))
+
+ if (dev->driver->load)
+ if ((retcode = dev->driver->load(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:
- drm_takedown(dev);
+
+ error_out_unreg:
+ drm_lastclose(dev);
return retcode;
}
-/**
- * File \c open operation.
- *
- * \param inode device inode.
- * \param filp file pointer.
- *
- * Puts the dev->fops corresponding to the device minor number into
- * \p filp, call the \c open method, and restore the file operations.
- */
-int drm_stub_open(struct inode *inode, struct file *filp)
-{
- drm_device_t *dev = NULL;
- int minor = iminor(inode);
- int err = -ENODEV;
- struct file_operations *old_fops;
-
- DRM_DEBUG("\n");
-
- if (!((minor >= 0) && (minor < drm_cards_limit)))
- return -ENODEV;
-
- if (!drm_heads[minor])
- return -ENODEV;
-
- if (!(dev = drm_heads[minor]->dev))
- return -ENODEV;
-
- old_fops = filp->f_op;
- filp->f_op = fops_get(&dev->driver->fops);
- if (filp->f_op->open && (err = filp->f_op->open(inode, filp))) {
- fops_put(filp->f_op);
- filp->f_op = fops_get(old_fops);
- }
- fops_put(old_fops);
-
- return err;
-}
/**
* Get a secondary minor number.
* 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);
+ head->dev_class = drm_sysfs_device_add(drm_class, head);
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;
}
if ((ret = drm_get_head(dev, &dev->primary)))
goto err_g1;
-
- /* postinit is a required function to display the signon banner */
- /* drivers add secondary heads here if needed */
- if ((ret = dev->driver->postinit(dev, ent->driver_data)))
- goto err_g1;
+
+ DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n",
+ driver->name, driver->major, driver->minor, driver->patchlevel,
+ driver->date, dev->primary.minor);
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};
+ drm_sysfs_device_remove(head->dev_class);
+
+ *head = (drm_head_t) {.dev = NULL};
drm_heads[minor] = NULL;
-
+
return 0;
}
-