diff options
Diffstat (limited to 'drivers/video/console/fbcon.h')
| -rw-r--r-- | drivers/video/console/fbcon.h | 124 |
1 files changed, 109 insertions, 15 deletions
diff --git a/drivers/video/console/fbcon.h b/drivers/video/console/fbcon.h index 5d377860bce..6bd2e0c7f20 100644 --- a/drivers/video/console/fbcon.h +++ b/drivers/video/console/fbcon.h @@ -11,14 +11,14 @@ #ifndef _VIDEO_FBCON_H #define _VIDEO_FBCON_H -#include <linux/config.h> #include <linux/types.h> #include <linux/vt_buffer.h> #include <linux/vt_kern.h> #include <asm/io.h> -#define FBCON_FLAGS_INIT 1 +#define FBCON_FLAGS_INIT 1 +#define FBCON_FLAGS_CURSOR_TIMER 2 /* * This is the interface between the low-level console driver and the @@ -26,15 +26,15 @@ */ struct display { - /* Filled in by the frame buffer device */ - u_short inverse; /* != 0 text black on white as default */ /* Filled in by the low-level console driver */ - u_char *fontdata; + const u_char *fontdata; int userfont; /* != 0 if fontdata kmalloc()ed */ u_short scrollmode; /* Scroll Method */ + u_short inverse; /* != 0 text black on white as default */ short yscroll; /* Hardware scrolling */ int vrows; /* number of virtual rows */ int cursor_shape; + int con_rotate; u32 xres_virtual; u32 yres_virtual; u32 height; @@ -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 { @@ -61,18 +61,29 @@ struct fbcon_ops { int fg, int bg); void (*clear_margins)(struct vc_data *vc, struct fb_info *info, int bottom_only); - void (*cursor)(struct vc_data *vc, struct fb_info *info, - struct display *p, int mode, int softback_lines, int fg, int bg); - + void (*cursor)(struct vc_data *vc, struct fb_info *info, int mode, + int softback_lines, int fg, int bg); + int (*update_start)(struct fb_info *info); + int (*rotate_font)(struct fb_info *info, struct vc_data *vc); + struct fb_var_screeninfo var; /* copy of the current fb_var_screeninfo */ struct timer_list cursor_timer; /* Cursor timer */ struct fb_cursor cursor_state; + struct display *p; int currcon; /* Current VC. */ int cursor_flash; int cursor_reset; int blank_state; int graphics; + int save_graphics; /* for debug enter/leave */ int flags; + int rotate; + int cur_rotate; char *cursor_data; + u8 *fontbuffer; + u8 *fontdata; + u8 *cursor_src; + u32 cursor_size; + u32 fd_size; }; /* * Attribute Decoding @@ -83,10 +94,6 @@ 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) \ @@ -98,6 +105,51 @@ 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]) @@ -162,9 +214,51 @@ struct fbcon_ops { #define SCROLL_PAN_REDRAW 0x005 #ifdef CONFIG_FB_TILEBLITTING -extern void fbcon_set_tileops(struct vc_data *vc, struct fb_info *info, - struct display *p, struct fbcon_ops *ops); +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); + +#define FBCON_ATTRIBUTE_UNDERLINE 1 +#define FBCON_ATTRIBUTE_REVERSE 2 +#define FBCON_ATTRIBUTE_BOLD 4 + +static inline int real_y(struct display *p, int ypos) +{ + int rows = p->vrows; + + ypos += p->yscroll; + return ypos < rows ? ypos : ypos - rows; +} + + +static inline int get_attribute(struct fb_info *info, u16 c) +{ + int attribute = 0; + + if (fb_get_color_depth(&info->var, &info->fix) == 1) { + if (attr_underline(c)) + attribute |= FBCON_ATTRIBUTE_UNDERLINE; + if (attr_reverse(c)) + attribute |= FBCON_ATTRIBUTE_REVERSE; + if (attr_bold(c)) + attribute |= FBCON_ATTRIBUTE_BOLD; + } + + return attribute; +} + +#define FBCON_SWAP(i,r,v) ({ \ + typeof(r) _r = (r); \ + typeof(v) _v = (v); \ + (void) (&_r == &_v); \ + (i == FB_ROTATE_UR || i == FB_ROTATE_UD) ? _r : _v; }) + +#ifdef CONFIG_FRAMEBUFFER_CONSOLE_ROTATION +extern void fbcon_set_rotate(struct fbcon_ops *ops); +#else +#define fbcon_set_rotate(x) do {} while(0) +#endif /* CONFIG_FRAMEBUFFER_CONSOLE_ROTATION */ #endif /* _VIDEO_FBCON_H */ + |