#include <asm/types.h>
#include <linux/i2c.h>
+struct dentry;
+
/* Definitions of frame buffers */
#define FB_MAJOR 29
u32 scan_align; /* alignment per scanline */
u32 access_align; /* alignment per read/write (bits) */
u32 flags; /* see FB_PIXMAP_* */
+ u32 blit_x; /* supported bit block dimensions (1-32)*/
+ u32 blit_y; /* Format: blit_x = 1 << (width - 1) */
+ /* blit_y = 1 << (height - 1) */
+ /* if 0, will be set to 0xffffffff (all)*/
/* access methods */
void (*writeio)(struct fb_info *info, void __iomem *dst, void *src, unsigned int size);
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
/* 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 */
};
#ifdef CONFIG_FB_TILEBLITTING
-
#define FB_TILE_CURSOR_NONE 0
#define FB_TILE_CURSOR_UNDERLINE 1
#define FB_TILE_CURSOR_LOWER_THIRD 2
/* cursor */
void (*fb_tilecursor)(struct fb_info *info,
struct fb_tilecursor *cursor);
+ /* get maximum length of the tile map */
+ int (*fb_get_tilemax)(struct fb_info *info);
};
#endif /* CONFIG_FB_TILEBLITTING */
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; /* This is the parent */
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);