1 files changed, 32 insertions, 16 deletions

diff --git a/include/linux/fb.h b/include/linux/fb.h
index 315d89740ddf..2f335e966011 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -366,16 +366,21 @@ struct fb_cursor {
         struct fb_image image;  /* Cursor image */
 };
 
+#ifdef CONFIG_FB_BACKLIGHT
+/* Settings for the generic backlight code */
+#define FB_BACKLIGHT_LEVELS     128
+#define FB_BACKLIGHT_MAX        0xFF
+#endif
+
 #ifdef __KERNEL__
 
 #include <linux/fs.h>
 #include <linux/init.h>
-#include <linux/tty.h>
 #include <linux/device.h>
 #include <linux/workqueue.h>
-#include <linux/devfs_fs_kernel.h>
 #include <linux/notifier.h>
 #include <linux/list.h>
+#include <linux/backlight.h>
 #include <asm/io.h>
 
 struct vm_area_struct;
@@ -497,23 +502,19 @@ struct fb_cursor_user {
 #define FB_EVENT_MODE_DELETE            0x04
 /*      A driver registered itself */
 #define FB_EVENT_FB_REGISTERED          0x05
+/*      A driver unregistered itself */
+#define FB_EVENT_FB_UNREGISTERED        0x06
 /*      CONSOLE-SPECIFIC: get console to framebuffer mapping */
-#define FB_EVENT_GET_CONSOLE_MAP        0x06
+#define FB_EVENT_GET_CONSOLE_MAP        0x07
 /*      CONSOLE-SPECIFIC: set console to framebuffer mapping */
-#define FB_EVENT_SET_CONSOLE_MAP        0x07
+#define FB_EVENT_SET_CONSOLE_MAP        0x08
 /*      A display blank is requested       */
-#define FB_EVENT_BLANK                  0x08
+#define FB_EVENT_BLANK                  0x09
 /*      Private modelist is to be replaced */
-#define FB_EVENT_NEW_MODELIST           0x09
+#define FB_EVENT_NEW_MODELIST           0x0A
 /*      The resolution of the passed in fb_info about to change and
         all vc's should be changed         */
-#define FB_EVENT_MODE_CHANGE_ALL        0x0A
-/*      CONSOLE-SPECIFIC: set console rotation */
-#define FB_EVENT_SET_CON_ROTATE         0x0B
-/*      CONSOLE-SPECIFIC: get console rotation */
-#define FB_EVENT_GET_CON_ROTATE         0x0C
-/*      CONSOLE-SPECIFIC: rotate all consoles */
-#define FB_EVENT_SET_CON_ROTATE_ALL     0x0D
+#define FB_EVENT_MODE_CHANGE_ALL        0x0B
 
 struct fb_event {
         struct fb_info *info;
@@ -523,7 +524,7 @@ struct fb_event {
 
 extern int fb_register_client(struct notifier_block *nb);
 extern int fb_unregister_client(struct notifier_block *nb);
-
+extern int fb_notifier_call_chain(unsigned long val, void *v);
 /*
  * Pixmap structure definition
  *
@@ -555,7 +556,7 @@ struct fb_pixmap {
  * Frame buffer operations
  *
  * LOCKING NOTE: those functions must _ALL_ be called with the console
- * semaphore held, this is the only suitable locking mecanism we have
+ * semaphore held, this is the only suitable locking mechanism we have
  * in 2.6. Some may be called at interrupt time at this point though.
  */
 
@@ -756,6 +757,21 @@ struct fb_info {
         struct fb_cmap cmap;            /* Current cmap */
         struct list_head modelist;      /* mode list */
         struct fb_videomode *mode;      /* current mode */
+
+#ifdef CONFIG_FB_BACKLIGHT
+        /* Lock ordering:
+         * bl_mutex (protects bl_dev and bl_curve)
+         *   bl_dev->sem (backlight class)
+         */
+        struct mutex bl_mutex;
+
+        /* assigned backlight device */
+        struct backlight_device *bl_dev;
+
+        /* Backlight level curve */
+        u8 bl_curve[FB_BACKLIGHT_LEVELS];
+#endif
+
         struct fb_ops *fbops;
         struct device *device;
         struct class_device *class_device; /* sysfs per device attrs */
@@ -870,7 +886,6 @@ extern int fb_get_color_depth(struct fb_var_screeninfo *var,
                               struct fb_fix_screeninfo *fix);
 extern int fb_get_options(char *name, char **option);
 extern int fb_new_modelist(struct fb_info *info);
-extern int fb_con_duit(struct fb_info *info, int event, void *data);
 
 extern struct fb_info *registered_fb[FB_MAX];
 extern int num_registered_fb;
@@ -895,6 +910,7 @@ extern struct fb_info *framebuffer_alloc(size_t size, struct device *dev);
 extern void framebuffer_release(struct fb_info *info);
 extern int fb_init_class_device(struct fb_info *fb_info);
 extern void fb_cleanup_class_device(struct fb_info *head);
+extern void fb_bl_default_curve(struct fb_info *fb_info, u8 off, u8 min, u8 max);
 
 /* drivers/video/fbmon.c */
 #define FB_MAXTIMINGS           0