diff options
Diffstat (limited to 'drivers/video/console/bitblit.c')
| -rw-r--r-- | drivers/video/console/bitblit.c | 85 |
1 files changed, 39 insertions, 46 deletions
diff --git a/drivers/video/console/bitblit.c b/drivers/video/console/bitblit.c index 9f70e512b88..61b182bf32a 100644 --- a/drivers/video/console/bitblit.c +++ b/drivers/video/console/bitblit.c @@ -10,8 +10,8 @@ * more details. */ -#include <linux/config.h> #include <linux/module.h> +#include <linux/slab.h> #include <linux/string.h> #include <linux/fb.h> #include <linux/vt_kern.h> @@ -22,40 +22,11 @@ /* * Accelerated handlers. */ -#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; -} - -static inline void update_attr(u8 *dst, u8 *src, int attribute, +static void update_attr(u8 *dst, u8 *src, int attribute, struct vc_data *vc) { int i, offset = (vc->vc_font.height < 10) ? 1 : 2; - int width = (vc->vc_font.width + 7) >> 3; + int width = DIV_ROUND_UP(vc->vc_font.width, 8); unsigned int cellsize = vc->vc_font.height * width; u8 c; @@ -93,7 +64,7 @@ static void bit_clear(struct vc_data *vc, struct fb_info *info, int sy, int bgshift = (vc->vc_hi_font_mask) ? 13 : 12; struct fb_fillrect region; - region.color = attr_bgcol_ec(bgshift, vc); + region.color = attr_bgcol_ec(bgshift, vc, info); region.dx = sx * vc->vc_font.width; region.dy = sy * vc->vc_font.height; region.width = width * vc->vc_font.width; @@ -174,7 +145,7 @@ static void bit_putcs(struct vc_data *vc, struct fb_info *info, int fg, int bg) { struct fb_image image; - u32 width = (vc->vc_font.width + 7)/8; + u32 width = DIV_ROUND_UP(vc->vc_font.width, 8); u32 cellsize = width * vc->vc_font.height; u32 maxcnt = info->pixmap.size/cellsize; u32 scan_align = info->pixmap.scan_align - 1; @@ -191,7 +162,7 @@ static void bit_putcs(struct vc_data *vc, struct fb_info *info, image.depth = 1; if (attribute) { - buf = kmalloc(cellsize, GFP_KERNEL); + buf = kmalloc(cellsize, GFP_ATOMIC); if (!buf) return; } @@ -203,7 +174,7 @@ static void bit_putcs(struct vc_data *vc, struct fb_info *info, cnt = count; image.width = vc->vc_font.width * cnt; - pitch = ((image.width + 7) >> 3) + scan_align; + pitch = DIV_ROUND_UP(image.width, 8) + scan_align; pitch &= ~scan_align; size = pitch * image.height + buf_align; size &= ~buf_align; @@ -243,7 +214,7 @@ static void bit_clear_margins(struct vc_data *vc, struct fb_info *info, unsigned int bs = info->var.yres - bh; struct fb_fillrect region; - region.color = attr_bgcol_ec(bgshift, vc); + region.color = attr_bgcol_ec(bgshift, vc, info); region.rop = ROP_COPY; if (rw && !bottom_only) { @@ -263,15 +234,16 @@ static void bit_clear_margins(struct vc_data *vc, struct fb_info *info, } } -static void bit_cursor(struct vc_data *vc, struct fb_info *info, - struct display *p, int mode, int softback_lines, int fg, int bg) +static void bit_cursor(struct vc_data *vc, struct fb_info *info, int mode, + int softback_lines, int fg, int bg) { struct fb_cursor cursor; - struct fbcon_ops *ops = (struct fbcon_ops *) info->fbcon_par; + struct fbcon_ops *ops = info->fbcon_par; unsigned short charmask = vc->vc_hi_font_mask ? 0x1ff : 0xff; - int w = (vc->vc_font.width + 7) >> 3, c; - int y = real_y(p, vc->vc_y); + int w = DIV_ROUND_UP(vc->vc_font.width, 8), c; + int y = real_y(ops->p, vc->vc_y); int attribute, use_sw = (vc->vc_cursor_type & 0x10); + int err = 1; char *src; cursor.set = 0; @@ -338,7 +310,7 @@ static void bit_cursor(struct vc_data *vc, struct fb_info *info, } if (cursor.set & FB_CUR_SETSIZE || - vc->vc_cursor_type != p->cursor_shape || + vc->vc_cursor_type != ops->p->cursor_shape || ops->cursor_state.mask == NULL || ops->cursor_reset) { char *mask = kmalloc(w*vc->vc_font.height, GFP_ATOMIC); @@ -351,10 +323,10 @@ static void bit_cursor(struct vc_data *vc, struct fb_info *info, kfree(ops->cursor_state.mask); ops->cursor_state.mask = mask; - p->cursor_shape = vc->vc_cursor_type; + ops->p->cursor_shape = vc->vc_cursor_type; cursor.set |= FB_CUR_SETSHAPE; - switch (p->cursor_shape & CUR_HWMASK) { + switch (ops->p->cursor_shape & CUR_HWMASK) { case CUR_NONE: cur_height = 0; break; @@ -408,11 +380,27 @@ static void bit_cursor(struct vc_data *vc, struct fb_info *info, cursor.image.depth = 1; cursor.rop = ROP_XOR; - info->fbops->fb_cursor(info, &cursor); + if (info->fbops->fb_cursor) + err = info->fbops->fb_cursor(info, &cursor); + + if (err) + soft_cursor(info, &cursor); ops->cursor_reset = 0; } +static int bit_update_start(struct fb_info *info) +{ + struct fbcon_ops *ops = info->fbcon_par; + int err; + + err = fb_pan_display(info, &ops->var); + ops->var.xoffset = info->var.xoffset; + ops->var.yoffset = info->var.yoffset; + ops->var.vmode = info->var.vmode; + return err; +} + void fbcon_set_bitops(struct fbcon_ops *ops) { ops->bmove = bit_bmove; @@ -420,6 +408,11 @@ void fbcon_set_bitops(struct fbcon_ops *ops) ops->putcs = bit_putcs; ops->clear_margins = bit_clear_margins; ops->cursor = bit_cursor; + ops->update_start = bit_update_start; + ops->rotate_font = NULL; + + if (ops->rotate) + fbcon_set_rotate(ops); } EXPORT_SYMBOL(fbcon_set_bitops); |
