#ifndef _LINUX_FB_H
#define _LINUX_FB_H
-#include <linux/backlight.h>
#include <asm/types.h>
+#include <linux/i2c.h>
+
+struct dentry;
/* Definitions of frame buffers */
#define FB_AUX_TEXT_S3_MMIO 2 /* S3 MMIO fasttext */
#define FB_AUX_TEXT_MGA_STEP16 3 /* MGA Millenium I: text, attr, 14 reserved bytes */
#define FB_AUX_TEXT_MGA_STEP8 4 /* other MGAs: text, attr, 6 reserved bytes */
+#define FB_AUX_TEXT_SVGA_GROUP 8 /* 8-15: SVGA tileblit compatible modes */
+#define FB_AUX_TEXT_SVGA_MASK 7 /* lower three bits says step */
+#define FB_AUX_TEXT_SVGA_STEP2 8 /* SVGA text mode: text, attr */
+#define FB_AUX_TEXT_SVGA_STEP4 9 /* SVGA text mode: text, attr, 2 reserved bytes */
+#define FB_AUX_TEXT_SVGA_STEP8 10 /* SVGA text mode: text, attr, 6 reserved bytes */
+#define FB_AUX_TEXT_SVGA_STEP16 11 /* SVGA text mode: text, attr, 14 reserved bytes */
+#define FB_AUX_TEXT_SVGA_LAST 15 /* reserved up to 15 */
#define FB_AUX_VGA_PLANES_VGA4 0 /* 16 color planes (EGA/VGA) */
#define FB_AUX_VGA_PLANES_CFB4 1 /* CFB4 in planes (VGA) */
#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;
#define FB_EVENT_GET_CONSOLE_MAP 0x07
/* CONSOLE-SPECIFIC: set console to framebuffer mapping */
#define FB_EVENT_SET_CONSOLE_MAP 0x08
-/* A display blank is requested */
+/* A hardware display blank change occured */
#define FB_EVENT_BLANK 0x09
/* Private modelist is to be replaced */
#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 0x0B
+/* A software display blank change occured */
+#define FB_EVENT_CONBLANK 0x0C
struct fb_event {
struct fb_info *info;
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
*
void (*readio) (struct fb_info *info, void *dst, void __iomem *src, unsigned int size);
};
+#ifdef CONFIG_FB_DEFERRED_IO
+struct fb_deferred_io {
+ /* delay between mkwrite and deferred handler */
+ unsigned long delay;
+ struct mutex lock; /* mutex that protects the page list */
+ struct list_head pagelist; /* list of touched pages */
+ /* callback */
+ void (*deferred_io)(struct fb_info *info, struct list_head *pagelist);
+};
+#endif
/*
* 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.
*/
/* For framebuffers with strange non linear layouts or that do not
* work with normal memory mapped access
*/
- ssize_t (*fb_read)(struct file *file, char __user *buf, size_t count, loff_t *ppos);
- ssize_t (*fb_write)(struct file *file, const char __user *buf, size_t count, loff_t *ppos);
+ ssize_t (*fb_read)(struct fb_info *info, char __user *buf,
+ size_t count, loff_t *ppos);
+ ssize_t (*fb_write)(struct fb_info *info, const char __user *buf,
+ size_t count, loff_t *ppos);
/* checks var and eventually tweaks it to something supported,
* DO NOT MODIFY PAR */
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 */
+ /* set before framebuffer registration,
+ remove after unregister */
struct backlight_device *bl_dev;
/* Backlight level curve */
+ struct mutex bl_curve_mutex;
u8 bl_curve[FB_BACKLIGHT_LEVELS];
#endif
+#ifdef CONFIG_FB_DEFERRED_IO
+ struct delayed_work deferred_work;
+ struct fb_deferred_io *fbdefio;
+#endif
struct fb_ops *fbops;
- struct device *device;
- struct class_device *class_device; /* sysfs per device attrs */
+ struct device *device; /* This is the parent */
+ struct device *dev; /* This is this fb device */
+ int class_flag; /* private sysfs flags */
#ifdef CONFIG_FB_TILEBLITTING
struct fb_tile_ops *tileops; /* Tile Blitting */
#endif
extern void cfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
extern void cfb_copyarea(struct fb_info *info, const struct fb_copyarea *area);
extern void cfb_imageblit(struct fb_info *info, const struct fb_image *image);
+/*
+ * Drawing operations where framebuffer is in system RAM
+ */
+extern void sys_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
+extern void sys_copyarea(struct fb_info *info, const struct fb_copyarea *area);
+extern void sys_imageblit(struct fb_info *info, const struct fb_image *image);
+extern ssize_t fb_sys_read(struct fb_info *info, char __user *buf,
+ size_t count, loff_t *ppos);
+extern ssize_t fb_sys_write(struct fb_info *info, const char __user *buf,
+ size_t count, loff_t *ppos);
/* drivers/video/fbmem.c */
extern int register_framebuffer(struct fb_info *fb_info);
}
}
+/* drivers/video/fb_defio.c */
+extern void fb_deferred_io_init(struct fb_info *info);
+extern void fb_deferred_io_cleanup(struct fb_info *info);
+extern int fb_deferred_io_fsync(struct file *file, struct dentry *dentry,
+ int datasync);
+
/* drivers/video/fbsysfs.c */
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 int fb_init_device(struct fb_info *fb_info);
+extern void fb_cleanup_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_MODE_IS_FIRST 16
#define FB_MODE_IS_FROM_VAR 32
-extern int fbmon_valid_timings(u_int pixclock, u_int htotal, u_int vtotal,
- const struct fb_info *fb_info);
extern int fbmon_dpms(const struct fb_info *fb_info);
extern int fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var,
struct fb_info *info);
struct fb_monspecs *specs);
extern void fb_destroy_modedb(struct fb_videomode *modedb);
extern int fb_find_mode_cvt(struct fb_videomode *mode, int margins, int rb);
+extern unsigned char *fb_ddc_read(struct i2c_adapter *adapter);
/* drivers/video/modedb.c */
#define VESA_MODEDB_SIZE 34
extern void fb_var_to_videomode(struct fb_videomode *mode,
- struct fb_var_screeninfo *var);
+ const struct fb_var_screeninfo *var);
extern void fb_videomode_to_var(struct fb_var_screeninfo *var,
- struct fb_videomode *mode);
-extern int fb_mode_is_equal(struct fb_videomode *mode1,
- struct fb_videomode *mode2);
-extern int fb_add_videomode(struct fb_videomode *mode, struct list_head *head);
-extern void fb_delete_videomode(struct fb_videomode *mode,
+ const struct fb_videomode *mode);
+extern int fb_mode_is_equal(const struct fb_videomode *mode1,
+ const struct fb_videomode *mode2);
+extern int fb_add_videomode(const struct fb_videomode *mode,
+ struct list_head *head);
+extern void fb_delete_videomode(const struct fb_videomode *mode,
struct list_head *head);
-extern struct fb_videomode *fb_match_mode(struct fb_var_screeninfo *var,
- struct list_head *head);
-extern struct fb_videomode *fb_find_best_mode(struct fb_var_screeninfo *var,
- struct list_head *head);
-extern struct fb_videomode *fb_find_nearest_mode(struct fb_videomode *mode,
- struct list_head *head);
+extern const struct fb_videomode *fb_match_mode(const struct fb_var_screeninfo *var,
+ struct list_head *head);
+extern const struct fb_videomode *fb_find_best_mode(const struct fb_var_screeninfo *var,
+ struct list_head *head);
+extern const struct fb_videomode *fb_find_nearest_mode(const struct fb_videomode *mode,
+ struct list_head *head);
extern void fb_destroy_modelist(struct list_head *head);
-extern void fb_videomode_to_modelist(struct fb_videomode *modedb, int num,
+extern void fb_videomode_to_modelist(const struct fb_videomode *modedb, int num,
struct list_head *head);
-extern struct fb_videomode *fb_find_best_display(struct fb_monspecs *specs,
- struct list_head *head);
+extern const struct fb_videomode *fb_find_best_display(const struct fb_monspecs *specs,
+ struct list_head *head);
/* drivers/video/fbcmap.c */
extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp);
extern void fb_dealloc_cmap(struct fb_cmap *cmap);
-extern int fb_copy_cmap(struct fb_cmap *from, struct fb_cmap *to);
-extern int fb_cmap_to_user(struct fb_cmap *from, struct fb_cmap_user *to);
+extern int fb_copy_cmap(const struct fb_cmap *from, struct fb_cmap *to);
+extern int fb_cmap_to_user(const struct fb_cmap *from, struct fb_cmap_user *to);
extern int fb_set_cmap(struct fb_cmap *cmap, struct fb_info *fb_info);
extern int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *fb_info);
-extern struct fb_cmap *fb_default_cmap(int len);
+extern const struct fb_cmap *fb_default_cmap(int len);
extern void fb_invert_cmaps(void);
struct fb_videomode {
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