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path: root/drivers/char/drm/drm_sysfs.c
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Diffstat (limited to 'drivers/char/drm/drm_sysfs.c')
-rw-r--r--drivers/char/drm/drm_sysfs.c130
1 files changed, 0 insertions, 130 deletions
diff --git a/drivers/char/drm/drm_sysfs.c b/drivers/char/drm/drm_sysfs.c
deleted file mode 100644
index 0b9f98a7eb1..00000000000
--- a/drivers/char/drm/drm_sysfs.c
+++ /dev/null
@@ -1,130 +0,0 @@
-
-/*
- * drm_sysfs.c - Modifications to drm_sysfs_class.c to support
- * extra sysfs attribute from DRM. Normal drm_sysfs_class
- * does not allow adding attributes.
- *
- * Copyright (c) 2004 Jon Smirl <jonsmirl@gmail.com>
- * Copyright (c) 2003-2004 Greg Kroah-Hartman <greg@kroah.com>
- * Copyright (c) 2003-2004 IBM Corp.
- *
- * This file is released under the GPLv2
- *
- */
-
-#include <linux/config.h>
-#include <linux/device.h>
-#include <linux/kdev_t.h>
-#include <linux/err.h>
-
-#include "drm_core.h"
-#include "drmP.h"
-
-/* Display the version of drm_core. This doesn't work right in current design */
-static ssize_t version_show(struct class *dev, char *buf)
-{
- return sprintf(buf, "%s %d.%d.%d %s\n", CORE_NAME, CORE_MAJOR,
- CORE_MINOR, CORE_PATCHLEVEL, CORE_DATE);
-}
-
-static CLASS_ATTR(version, S_IRUGO, version_show, NULL);
-
-/**
- * drm_sysfs_create - create a struct drm_sysfs_class structure
- * @owner: pointer to the module that is to "own" this struct drm_sysfs_class
- * @name: pointer to a string for the name of this class.
- *
- * This is used to create a struct drm_sysfs_class pointer that can then be used
- * in calls to drm_sysfs_device_add().
- *
- * Note, the pointer created here is to be destroyed when finished by making a
- * call to drm_sysfs_destroy().
- */
-struct class *drm_sysfs_create(struct module *owner, char *name)
-{
- struct class *class;
-
- class = class_create(owner, name);
- if (!class)
- return class;
-
- class_create_file(class, &class_attr_version);
- return class;
-}
-
-/**
- * drm_sysfs_destroy - destroys a struct drm_sysfs_class structure
- * @cs: pointer to the struct drm_sysfs_class that is to be destroyed
- *
- * Note, the pointer to be destroyed must have been created with a call to
- * drm_sysfs_create().
- */
-void drm_sysfs_destroy(struct class *class)
-{
- if ((class == NULL) || (IS_ERR(class)))
- return;
-
- class_remove_file(class, &class_attr_version);
- class_destroy(class);
-}
-
-static ssize_t show_dri(struct class_device *class_device, char *buf)
-{
- drm_device_t * dev = ((drm_head_t *)class_get_devdata(class_device))->dev;
- if (dev->driver->dri_library_name)
- return dev->driver->dri_library_name(dev, buf);
- return snprintf(buf, PAGE_SIZE, "%s\n", dev->driver->pci_driver.name);
-}
-
-static struct class_device_attribute class_device_attrs[] = {
- __ATTR(dri_library_name, S_IRUGO, show_dri, NULL),
-};
-
-/**
- * drm_sysfs_device_add - adds a class device to sysfs for a character driver
- * @cs: pointer to the struct class that this device should be registered to.
- * @dev: the dev_t for the device to be added.
- * @device: a pointer to a struct device that is assiociated with this class device.
- * @fmt: string for the class device's name
- *
- * A struct class_device will be created in sysfs, registered to the specified
- * class. A "dev" file will be created, showing the dev_t for the device. The
- * pointer to the struct class_device will be returned from the call. Any further
- * sysfs files that might be required can be created using this pointer.
- * Note: the struct class passed to this function must have previously been
- * created with a call to drm_sysfs_create().
- */
-struct class_device *drm_sysfs_device_add(struct class *cs, drm_head_t *head)
-{
- struct class_device *class_dev;
- int i;
-
- class_dev = class_device_create(cs, NULL,
- MKDEV(DRM_MAJOR, head->minor),
- &(head->dev->pdev)->dev,
- "card%d", head->minor);
- if (!class_dev)
- return NULL;
-
- class_set_devdata(class_dev, head);
-
- for (i = 0; i < ARRAY_SIZE(class_device_attrs); i++)
- class_device_create_file(class_dev, &class_device_attrs[i]);
- return class_dev;
-}
-
-/**
- * drm_sysfs_device_remove - removes a class device that was created with drm_sysfs_device_add()
- * @dev: the dev_t of the device that was previously registered.
- *
- * This call unregisters and cleans up a class device that was created with a
- * call to drm_sysfs_device_add()
- */
-void drm_sysfs_device_remove(struct class_device *class_dev)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(class_device_attrs); i++)
- class_device_remove_file(class_dev, &class_device_attrs[i]);
- class_device_unregister(class_dev);
-}