#ifndef _LINUX_FB_H
#define _LINUX_FB_H
+#include <linux/backlight.h>
#include <asm/types.h>
/* Definitions of frame buffers */
#define FB_VMODE_SMOOTH_XPAN 512 /* smooth xpan possible (internally used) */
#define FB_VMODE_CONUPDATE 512 /* don't update x/yoffset */
+/*
+ * Display rotation support
+ */
+#define FB_ROTATE_UR 0
+#define FB_ROTATE_CW 1
+#define FB_ROTATE_UD 2
+#define FB_ROTATE_CCW 3
+
#define PICOS2KHZ(a) (1000000000UL/(a))
#define KHZ2PICOS(a) (1000000000UL/(a))
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>
#define FB_EVENT_MODE_DELETE 0x04
/* A driver registered itself */
#define FB_EVENT_FB_REGISTERED 0x05
-/* get console to framebuffer mapping */
+/* CONSOLE-SPECIFIC: get console to framebuffer mapping */
#define FB_EVENT_GET_CONSOLE_MAP 0x06
-/* set console to framebuffer mapping */
+/* CONSOLE-SPECIFIC: set console to framebuffer mapping */
#define FB_EVENT_SET_CONSOLE_MAP 0x07
/* A display blank is requested */
#define FB_EVENT_BLANK 0x08
/* 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
struct fb_event {
struct fb_info *info;
int (*fb_sync)(struct fb_info *info);
/* perform fb specific ioctl (optional) */
- int (*fb_ioctl)(struct inode *inode, struct file *file, unsigned int cmd,
- unsigned long arg, struct fb_info *info);
+ int (*fb_ioctl)(struct fb_info *info, unsigned int cmd,
+ unsigned long arg);
/* Handle 32bit compat ioctl (optional) */
- long (*fb_compat_ioctl)(struct file *f, unsigned cmd, unsigned long arg,
- struct fb_info *info);
+ int (*fb_compat_ioctl)(struct fb_info *info, unsigned cmd,
+ unsigned long arg);
/* perform fb specific mmap */
- int (*fb_mmap)(struct fb_info *info, struct file *file, struct vm_area_struct *vma);
+ int (*fb_mmap)(struct fb_info *info, struct vm_area_struct *vma);
+
+ /* save current hardware state */
+ void (*fb_save_state)(struct fb_info *info);
+
+ /* restore saved state */
+ void (*fb_restore_state)(struct fb_info *info);
};
#ifdef CONFIG_FB_TILEBLITTING
from userspace */
#define FBINFO_MISC_TILEBLITTING 0x20000 /* use tile blitting */
+/* A driver may set this flag to indicate that it does want a set_par to be
+ * called every time when fbcon_switch is executed. The advantage is that with
+ * this flag set you can really be sure that set_par is always called before
+ * any of the functions dependant on the correct hardware state or altering
+ * that state, even if you are using some broken X releases. The disadvantage
+ * is that it introduces unwanted delays to every console switch if set_par
+ * is slow. It is a good idea to try this flag in the drivers initialization
+ * code whenever there is a bug report related to switching between X and the
+ * framebuffer console.
+ */
+#define FBINFO_MISC_ALWAYS_SETPAR 0x40000
+
struct fb_info {
int node;
int flags;
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 */
#endif
+#if defined (__BIG_ENDIAN)
+#define FB_LEFT_POS(bpp) (32 - bpp)
+#define FB_SHIFT_HIGH(val, bits) ((val) >> (bits))
+#define FB_SHIFT_LOW(val, bits) ((val) << (bits))
+#else
+#define FB_LEFT_POS(bpp) (0)
+#define FB_SHIFT_HIGH(val, bits) ((val) << (bits))
+#define FB_SHIFT_LOW(val, bits) ((val) >> (bits))
+#endif
+
/*
* `Generic' versions of the frame buffer device operations
*/
/* drivers/video/fbmem.c */
extern int register_framebuffer(struct fb_info *fb_info);
extern int unregister_framebuffer(struct fb_info *fb_info);
-extern int fb_prepare_logo(struct fb_info *fb_info);
-extern int fb_show_logo(struct fb_info *fb_info);
+extern int fb_prepare_logo(struct fb_info *fb_info, int rotate);
+extern int fb_show_logo(struct fb_info *fb_info, int rotate);
extern char* fb_get_buffer_offset(struct fb_info *info, struct fb_pixmap *buf, u32 size);
extern void fb_pad_unaligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 idx,
u32 height, u32 shift_high, u32 shift_low, u32 mod);
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;
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
extern void fb_destroy_modelist(struct list_head *head);
extern void fb_videomode_to_modelist(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);
/* drivers/video/fbcmap.c */
extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp);