diff options
Diffstat (limited to 'drivers/video/console/tileblit.c')
| -rw-r--r-- | drivers/video/console/tileblit.c | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/drivers/video/console/tileblit.c b/drivers/video/console/tileblit.c new file mode 100644 index 000000000..15e8e1a89 --- /dev/null +++ b/drivers/video/console/tileblit.c @@ -0,0 +1,159 @@ +/* + * linux/drivers/video/console/tileblit.c -- Tile Blitting Operation + * + * Copyright (C) 2004 Antonino Daplas <adaplas @pol.net> + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + */ + +#include <linux/module.h> +#include <linux/string.h> +#include <linux/fb.h> +#include <linux/vt_kern.h> +#include <linux/console.h> +#include <asm/types.h> +#include "fbcon.h" + +static void tile_bmove(struct vc_data *vc, struct fb_info *info, int sy, + int sx, int dy, int dx, int height, int width) +{ + struct fb_tilearea area; + + area.sx = sx; + area.sy = sy; + area.dx = dx; + area.dy = dy; + area.height = height; + area.width = width; + + info->tileops->fb_tilecopy(info, &area); +} + +static void tile_clear(struct vc_data *vc, struct fb_info *info, int sy, + int sx, int height, int width) +{ + struct fb_tilerect rect; + int bgshift = (vc->vc_hi_font_mask) ? 13 : 12; + int fgshift = (vc->vc_hi_font_mask) ? 9 : 8; + + rect.index = vc->vc_video_erase_char & + ((vc->vc_hi_font_mask) ? 0x1ff : 0xff); + rect.fg = attr_fgcol_ec(fgshift, vc, info); + rect.bg = attr_bgcol_ec(bgshift, vc, info); + rect.sx = sx; + rect.sy = sy; + rect.width = width; + rect.height = height; + rect.rop = ROP_COPY; + + info->tileops->fb_tilefill(info, &rect); +} + +static void tile_putcs(struct vc_data *vc, struct fb_info *info, + const unsigned short *s, int count, int yy, int xx, + int fg, int bg) +{ + struct fb_tileblit blit; + unsigned short charmask = vc->vc_hi_font_mask ? 0x1ff : 0xff; + int size = sizeof(u32) * count, i; + + blit.sx = xx; + blit.sy = yy; + blit.width = count; + blit.height = 1; + blit.fg = fg; + blit.bg = bg; + blit.length = count; + blit.indices = (u32 *) fb_get_buffer_offset(info, &info->pixmap, size); + for (i = 0; i < count; i++) + blit.indices[i] = (u32)(scr_readw(s++) & charmask); + + info->tileops->fb_tileblit(info, &blit); +} + +static void tile_clear_margins(struct vc_data *vc, struct fb_info *info, + int bottom_only) +{ + return; +} + +static void tile_cursor(struct vc_data *vc, struct fb_info *info, int mode, + int softback_lines, int fg, int bg) +{ + struct fb_tilecursor cursor; + int use_sw = (vc->vc_cursor_type & 0x10); + + cursor.sx = vc->vc_x; + cursor.sy = vc->vc_y; + cursor.mode = (mode == CM_ERASE || use_sw) ? 0 : 1; + cursor.fg = fg; + cursor.bg = bg; + + switch (vc->vc_cursor_type & 0x0f) { + case CUR_NONE: + cursor.shape = FB_TILE_CURSOR_NONE; + break; + case CUR_UNDERLINE: + cursor.shape = FB_TILE_CURSOR_UNDERLINE; + break; + case CUR_LOWER_THIRD: + cursor.shape = FB_TILE_CURSOR_LOWER_THIRD; + break; + case CUR_LOWER_HALF: + cursor.shape = FB_TILE_CURSOR_LOWER_HALF; + break; + case CUR_TWO_THIRDS: + cursor.shape = FB_TILE_CURSOR_TWO_THIRDS; + break; + case CUR_BLOCK: + default: + cursor.shape = FB_TILE_CURSOR_BLOCK; + break; + } + + info->tileops->fb_tilecursor(info, &cursor); +} + +static int tile_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_tileops(struct vc_data *vc, struct fb_info *info) +{ + struct fb_tilemap map; + struct fbcon_ops *ops = info->fbcon_par; + + ops->bmove = tile_bmove; + ops->clear = tile_clear; + ops->putcs = tile_putcs; + ops->clear_margins = tile_clear_margins; + ops->cursor = tile_cursor; + ops->update_start = tile_update_start; + + if (ops->p) { + map.width = vc->vc_font.width; + map.height = vc->vc_font.height; + map.depth = 1; + map.length = (ops->p->userfont) ? + FNTCHARCNT(ops->p->fontdata) : 256; + map.data = ops->p->fontdata; + info->tileops->fb_settile(info, &map); + } +} + +EXPORT_SYMBOL(fbcon_set_tileops); + +MODULE_AUTHOR("Antonino Daplas <adaplas@pol.net>"); +MODULE_DESCRIPTION("Tile Blitting Operation"); +MODULE_LICENSE("GPL"); + |