USB: usbmon: fix bug in mon_buff_area_shrink

[safe/jmp/linux-2.6] / drivers / video / console / fbcon.h

diff --git a/drivers/video/console/fbcon.h b/drivers/video/console/fbcon.h
index b9386d1..89a3468 100644 (file)
--- a/drivers/video/console/fbcon.h
+++ b/drivers/video/console/fbcon.h
@@ -48,7 +48,7 @@ struct display {
     struct fb_bitfield green;
     struct fb_bitfield blue;
     struct fb_bitfield transp;
-    struct fb_videomode *mode;
+    const struct fb_videomode *mode;
 };
 
 struct fbcon_ops {
@@ -93,10 +93,6 @@ struct fbcon_ops {
        (((s) >> (fgshift)) & 0x0f)
 #define attr_bgcol(bgshift,s)    \
        (((s) >> (bgshift)) & 0x0f)
-#define        attr_bgcol_ec(bgshift,vc) \
-       ((vc) ? (((vc)->vc_video_erase_char >> (bgshift)) & 0x0f) : 0)
-#define attr_fgcol_ec(fgshift,vc) \
-       ((vc) ? (((vc)->vc_video_erase_char >> (fgshift)) & 0x0f) : 0)
 
 /* Monochrome */
 #define attr_bold(s) \
@@ -108,6 +104,51 @@ struct fbcon_ops {
 #define attr_blink(s) \
        ((s) & 0x8000)
        
+
+static inline int mono_col(const struct fb_info *info)
+{
+       __u32 max_len;
+       max_len = max(info->var.green.length, info->var.red.length);
+       max_len = max(info->var.blue.length, max_len);
+       return (~(0xfff << max_len)) & 0xff;
+}
+
+static inline int attr_col_ec(int shift, struct vc_data *vc,
+                             struct fb_info *info, int is_fg)
+{
+       int is_mono01;
+       int col;
+       int fg;
+       int bg;
+
+       if (!vc)
+               return 0;
+
+       if (vc->vc_can_do_color)
+               return is_fg ? attr_fgcol(shift,vc->vc_video_erase_char)
+                       : attr_bgcol(shift,vc->vc_video_erase_char);
+
+       if (!info)
+               return 0;
+
+       col = mono_col(info);
+       is_mono01 = info->fix.visual == FB_VISUAL_MONO01;
+
+       if (attr_reverse(vc->vc_video_erase_char)) {
+               fg = is_mono01 ? col : 0;
+               bg = is_mono01 ? 0 : col;
+       }
+       else {
+               fg = is_mono01 ? 0 : col;
+               bg = is_mono01 ? col : 0;
+       }
+
+       return is_fg ? fg : bg;
+}
+
+#define attr_bgcol_ec(bgshift, vc, info) attr_col_ec(bgshift, vc, info, 0)
+#define attr_fgcol_ec(fgshift, vc, info) attr_col_ec(fgshift, vc, info, 1)
+
 /* Font */
 #define REFCOUNT(fd)   (((int *)(fd))[-1])
 #define FNTSIZE(fd)    (((int *)(fd))[-2])
@@ -176,7 +217,6 @@ extern void fbcon_set_tileops(struct vc_data *vc, struct fb_info *info);
 #endif
 extern void fbcon_set_bitops(struct fbcon_ops *ops);
 extern int  soft_cursor(struct fb_info *info, struct fb_cursor *cursor);
-extern struct class *fb_class;
 
 #define FBCON_ATTRIBUTE_UNDERLINE 1
 #define FBCON_ATTRIBUTE_REVERSE   2