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-rw-r--r--drivers/video/console/tileblit.c148
1 files changed, 148 insertions, 0 deletions
diff --git a/drivers/video/console/tileblit.c b/drivers/video/console/tileblit.c
new file mode 100644
index 000000000000..7f76e2c6a4a1
--- /dev/null
+++ b/drivers/video/console/tileblit.c
@@ -0,0 +1,148 @@
1/*
2 * linux/drivers/video/console/tileblit.c -- Tile Blitting Operation
3 *
4 * Copyright (C) 2004 Antonino Daplas <adaplas @pol.net>
5 *
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
8 * more details.
9 */
10
11#include <linux/config.h>
12#include <linux/module.h>
13#include <linux/string.h>
14#include <linux/fb.h>
15#include <linux/vt_kern.h>
16#include <linux/console.h>
17#include <asm/types.h>
18#include "fbcon.h"
19
20static void tile_bmove(struct vc_data *vc, struct fb_info *info, int sy,
21 int sx, int dy, int dx, int height, int width)
22{
23 struct fb_tilearea area;
24
25 area.sx = sx;
26 area.sy = sy;
27 area.dx = dx;
28 area.dy = dy;
29 area.height = height;
30 area.width = width;
31
32 info->tileops->fb_tilecopy(info, &area);
33}
34
35static void tile_clear(struct vc_data *vc, struct fb_info *info, int sy,
36 int sx, int height, int width)
37{
38 struct fb_tilerect rect;
39 int bgshift = (vc->vc_hi_font_mask) ? 13 : 12;
40 int fgshift = (vc->vc_hi_font_mask) ? 9 : 8;
41
42 rect.index = vc->vc_video_erase_char &
43 ((vc->vc_hi_font_mask) ? 0x1ff : 0xff);
44 rect.fg = attr_fgcol_ec(fgshift, vc);
45 rect.bg = attr_bgcol_ec(bgshift, vc);
46 rect.sx = sx;
47 rect.sy = sy;
48 rect.width = width;
49 rect.height = height;
50 rect.rop = ROP_COPY;
51
52 info->tileops->fb_tilefill(info, &rect);
53}
54
55static void tile_putcs(struct vc_data *vc, struct fb_info *info,
56 const unsigned short *s, int count, int yy, int xx,
57 int fg, int bg)
58{
59 struct fb_tileblit blit;
60 unsigned short charmask = vc->vc_hi_font_mask ? 0x1ff : 0xff;
61 int size = sizeof(u32) * count, i;
62
63 blit.sx = xx;
64 blit.sy = yy;
65 blit.width = count;
66 blit.height = 1;
67 blit.fg = fg;
68 blit.bg = bg;
69 blit.length = count;
70 blit.indices = (u32 *) fb_get_buffer_offset(info, &info->pixmap, size);
71 for (i = 0; i < count; i++)
72 blit.indices[i] = (u32)(scr_readw(s++) & charmask);
73
74 info->tileops->fb_tileblit(info, &blit);
75}
76
77static void tile_clear_margins(struct vc_data *vc, struct fb_info *info,
78 int bottom_only)
79{
80 return;
81}
82
83static void tile_cursor(struct vc_data *vc, struct fb_info *info,
84 struct display *p, int mode, int softback_lines,
85 int fg, int bg)
86{
87 struct fb_tilecursor cursor;
88 int use_sw = (vc->vc_cursor_type & 0x01);
89
90 cursor.sx = vc->vc_x;
91 cursor.sy = vc->vc_y;
92 cursor.mode = (mode == CM_ERASE || use_sw) ? 0 : 1;
93 cursor.fg = fg;
94 cursor.bg = bg;
95
96 switch (vc->vc_cursor_type & 0x0f) {
97 case CUR_NONE:
98 cursor.shape = FB_TILE_CURSOR_NONE;
99 break;
100 case CUR_UNDERLINE:
101 cursor.shape = FB_TILE_CURSOR_UNDERLINE;
102 break;
103 case CUR_LOWER_THIRD:
104 cursor.shape = FB_TILE_CURSOR_LOWER_THIRD;
105 break;
106 case CUR_LOWER_HALF:
107 cursor.shape = FB_TILE_CURSOR_LOWER_HALF;
108 break;
109 case CUR_TWO_THIRDS:
110 cursor.shape = FB_TILE_CURSOR_TWO_THIRDS;
111 break;
112 case CUR_BLOCK:
113 default:
114 cursor.shape = FB_TILE_CURSOR_BLOCK;
115 break;
116 }
117
118 info->tileops->fb_tilecursor(info, &cursor);
119}
120
121void fbcon_set_tileops(struct vc_data *vc, struct fb_info *info,
122 struct display *p, struct fbcon_ops *ops)
123{
124 struct fb_tilemap map;
125
126 ops->bmove = tile_bmove;
127 ops->clear = tile_clear;
128 ops->putcs = tile_putcs;
129 ops->clear_margins = tile_clear_margins;
130 ops->cursor = tile_cursor;
131
132 if (p) {
133 map.width = vc->vc_font.width;
134 map.height = vc->vc_font.height;
135 map.depth = 1;
136 map.length = (p->userfont) ?
137 FNTCHARCNT(p->fontdata) : 256;
138 map.data = p->fontdata;
139 info->tileops->fb_settile(info, &map);
140 }
141}
142
143EXPORT_SYMBOL(fbcon_set_tileops);
144
145MODULE_AUTHOR("Antonino Daplas <adaplas@pol.net>");
146MODULE_DESCRIPTION("Tile Blitting Operation");
147MODULE_LICENSE("GPL");
148