1 files changed, 105 insertions, 8 deletions

diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c
index 47ba1a79adcd..746225bf8c44 100644
--- a/drivers/video/console/fbcon.c
+++ b/drivers/video/console/fbcon.c
@@ -195,6 +195,8 @@ static void fbcon_redraw_move(struct vc_data *vc, struct display *p,
 static void fbcon_modechanged(struct fb_info *info);
 static void fbcon_set_all_vcs(struct fb_info *info);
 
+static struct class_device *fbcon_class_device;
+
 #ifdef CONFIG_MAC
 /*
  * On the Macintoy, there may or may not be a working VBL int. We need to probe
@@ -2945,14 +2947,6 @@ static int fbcon_event_notify(struct notifier_block *self,
         case FB_EVENT_NEW_MODELIST:
                 fbcon_new_modelist(info);
                 break;
-        case FB_EVENT_SET_CON_ROTATE:
-                fbcon_rotate(info, *(int *)event->data);
-                break;
-        case FB_EVENT_GET_CON_ROTATE:
-                ret = fbcon_get_rotate(info);
-                break;
-        case FB_EVENT_SET_CON_ROTATE_ALL:
-                fbcon_rotate_all(info, *(int *)event->data);
         }
 
         return ret;
@@ -2992,6 +2986,81 @@ static struct notifier_block fbcon_event_notifier = {
         .notifier_call  = fbcon_event_notify,
 };
 
+static ssize_t store_rotate(struct class_device *class_device,
+                            const char *buf, size_t count)
+{
+        struct fb_info *info;
+        int rotate, idx;
+        char **last = NULL;
+
+        acquire_console_sem();
+        idx = con2fb_map[fg_console];
+
+        if (idx == -1 || registered_fb[idx] == NULL)
+                goto err;
+
+        info = registered_fb[idx];
+        rotate = simple_strtoul(buf, last, 0);
+        fbcon_rotate(info, rotate);
+err:
+        release_console_sem();
+        return count;
+}
+
+static ssize_t store_rotate_all(struct class_device *class_device,
+                                const char *buf, size_t count)
+{
+        struct fb_info *info;
+        int rotate, idx;
+        char **last = NULL;
+
+        acquire_console_sem();
+        idx = con2fb_map[fg_console];
+
+        if (idx == -1 || registered_fb[idx] == NULL)
+                goto err;
+
+        info = registered_fb[idx];
+        rotate = simple_strtoul(buf, last, 0);
+        fbcon_rotate_all(info, rotate);
+err:
+        release_console_sem();
+        return count;
+}
+
+static ssize_t show_rotate(struct class_device *class_device, char *buf)
+{
+        struct fb_info *info;
+        int rotate = 0, idx;
+
+        acquire_console_sem();
+        idx = con2fb_map[fg_console];
+
+        if (idx == -1 || registered_fb[idx] == NULL)
+                goto err;
+
+        info = registered_fb[idx];
+        rotate = fbcon_get_rotate(info);
+err:
+        release_console_sem();
+        return snprintf(buf, PAGE_SIZE, "%d\n", rotate);
+}
+
+static struct class_device_attribute class_device_attrs[] = {
+        __ATTR(rotate, S_IRUGO|S_IWUSR, show_rotate, store_rotate),
+        __ATTR(rotate_all, S_IWUSR, NULL, store_rotate_all),
+};
+
+static int fbcon_init_class_device(void)
+{
+        int i;
+
+        for (i = 0; i < ARRAY_SIZE(class_device_attrs); i++)
+                class_device_create_file(fbcon_class_device,
+                                         &class_device_attrs[i]);
+        return 0;
+}
+
 static int __init fb_console_init(void)
 {
         int i;
@@ -3000,6 +3069,18 @@ static int __init fb_console_init(void)
         fb_register_client(&fbcon_event_notifier);
         release_console_sem();
 
+        fbcon_class_device =
+            class_device_create(fb_class, NULL,
+                                MKDEV(FB_MAJOR, FB_MAX), NULL,
+                                "fbcon");
+        if (IS_ERR(fbcon_class_device)) {
+            printk(KERN_WARNING "Unable to create class_device "
+                   "for fbcon; errno = %ld\n",
+                   PTR_ERR(fbcon_class_device));
+            fbcon_class_device = NULL;
+        } else
+            fbcon_init_class_device();
+
         for (i = 0; i < MAX_NR_CONSOLES; i++)
                 con2fb_map[i] = -1;
 
@@ -3020,10 +3101,26 @@ module_init(fb_console_init);
 
 #ifdef MODULE
 
+static void __exit fbcon_deinit_class_device(void)
+{
+        int i;
+
+        for (i = 0; i < ARRAY_SIZE(class_device_attrs); i++)
+                class_device_remove_file(fbcon_class_device,
+                                         &class_device_attrs[i]);
+}
+
+static void __exit fbcon_exit(void)
+{
+        fbcon_deinit_class_device();
+        class_device_destroy(fb_class, MKDEV(FB_MAJOR, FB_MAX));
+}
+
 static void __exit fb_console_exit(void)
 {
         acquire_console_sem();
         fb_unregister_client(&fbcon_event_notifier);
+        fbcon_exit();
         release_console_sem();
         give_up_console(&fb_con);
 }