2 * linux/drivers/video/console/tileblit.c -- Tile Blitting Operation
4 * Copyright (C) 2004 Antonino Daplas <adaplas @pol.net>
6 * This file is subject to the terms and conditions of the GNU General Public
7 * License. See the file COPYING in the main directory of this archive for
11 #include <linux/module.h>
12 #include <linux/string.h>
14 #include <linux/vt_kern.h>
15 #include <linux/console.h>
16 #include <asm/types.h>
19 static void tile_bmove(struct vc_data *vc, struct fb_info *info, int sy,
20 int sx, int dy, int dx, int height, int width)
22 struct fb_tilearea area;
31 info->tileops->fb_tilecopy(info, &area);
34 static void tile_clear(struct vc_data *vc, struct fb_info *info, int sy,
35 int sx, int height, int width)
37 struct fb_tilerect rect;
38 int bgshift = (vc->vc_hi_font_mask) ? 13 : 12;
39 int fgshift = (vc->vc_hi_font_mask) ? 9 : 8;
41 rect.index = vc->vc_video_erase_char &
42 ((vc->vc_hi_font_mask) ? 0x1ff : 0xff);
43 rect.fg = attr_fgcol_ec(fgshift, vc, info);
44 rect.bg = attr_bgcol_ec(bgshift, vc, info);
51 info->tileops->fb_tilefill(info, &rect);
54 static void tile_putcs(struct vc_data *vc, struct fb_info *info,
55 const unsigned short *s, int count, int yy, int xx,
58 struct fb_tileblit blit;
59 unsigned short charmask = vc->vc_hi_font_mask ? 0x1ff : 0xff;
60 int size = sizeof(u32) * count, i;
69 blit.indices = (u32 *) fb_get_buffer_offset(info, &info->pixmap, size);
70 for (i = 0; i < count; i++)
71 blit.indices[i] = (u32)(scr_readw(s++) & charmask);
73 info->tileops->fb_tileblit(info, &blit);
76 static void tile_clear_margins(struct vc_data *vc, struct fb_info *info,
82 static void tile_cursor(struct vc_data *vc, struct fb_info *info, int mode,
83 int softback_lines, int fg, int bg)
85 struct fb_tilecursor cursor;
86 int use_sw = (vc->vc_cursor_type & 0x01);
90 cursor.mode = (mode == CM_ERASE || use_sw) ? 0 : 1;
94 switch (vc->vc_cursor_type & 0x0f) {
96 cursor.shape = FB_TILE_CURSOR_NONE;
99 cursor.shape = FB_TILE_CURSOR_UNDERLINE;
101 case CUR_LOWER_THIRD:
102 cursor.shape = FB_TILE_CURSOR_LOWER_THIRD;
105 cursor.shape = FB_TILE_CURSOR_LOWER_HALF;
108 cursor.shape = FB_TILE_CURSOR_TWO_THIRDS;
112 cursor.shape = FB_TILE_CURSOR_BLOCK;
116 info->tileops->fb_tilecursor(info, &cursor);
119 static int tile_update_start(struct fb_info *info)
121 struct fbcon_ops *ops = info->fbcon_par;
124 err = fb_pan_display(info, &ops->var);
125 ops->var.xoffset = info->var.xoffset;
126 ops->var.yoffset = info->var.yoffset;
127 ops->var.vmode = info->var.vmode;
131 void fbcon_set_tileops(struct vc_data *vc, struct fb_info *info)
133 struct fb_tilemap map;
134 struct fbcon_ops *ops = info->fbcon_par;
136 ops->bmove = tile_bmove;
137 ops->clear = tile_clear;
138 ops->putcs = tile_putcs;
139 ops->clear_margins = tile_clear_margins;
140 ops->cursor = tile_cursor;
141 ops->update_start = tile_update_start;
144 map.width = vc->vc_font.width;
145 map.height = vc->vc_font.height;
147 map.length = (ops->p->userfont) ?
148 FNTCHARCNT(ops->p->fontdata) : 256;
149 map.data = ops->p->fontdata;
150 info->tileops->fb_settile(info, &map);
154 EXPORT_SYMBOL(fbcon_set_tileops);
156 MODULE_AUTHOR("Antonino Daplas <adaplas@pol.net>");
157 MODULE_DESCRIPTION("Tile Blitting Operation");
158 MODULE_LICENSE("GPL");