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1da177e4 LT |
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 | ||
1da177e4 LT |
11 | #include <linux/module.h> |
12 | #include <linux/string.h> | |
13 | #include <linux/fb.h> | |
14 | #include <linux/vt_kern.h> | |
15 | #include <linux/console.h> | |
16 | #include <asm/types.h> | |
17 | #include "fbcon.h" | |
18 | ||
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) | |
21 | { | |
22 | struct fb_tilearea area; | |
23 | ||
24 | area.sx = sx; | |
25 | area.sy = sy; | |
26 | area.dx = dx; | |
27 | area.dy = dy; | |
28 | area.height = height; | |
29 | area.width = width; | |
30 | ||
31 | info->tileops->fb_tilecopy(info, &area); | |
32 | } | |
33 | ||
34 | static void tile_clear(struct vc_data *vc, struct fb_info *info, int sy, | |
35 | int sx, int height, int width) | |
36 | { | |
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; | |
40 | ||
41 | rect.index = vc->vc_video_erase_char & | |
42 | ((vc->vc_hi_font_mask) ? 0x1ff : 0xff); | |
91c43132 TP |
43 | rect.fg = attr_fgcol_ec(fgshift, vc, info); |
44 | rect.bg = attr_bgcol_ec(bgshift, vc, info); | |
1da177e4 LT |
45 | rect.sx = sx; |
46 | rect.sy = sy; | |
47 | rect.width = width; | |
48 | rect.height = height; | |
49 | rect.rop = ROP_COPY; | |
50 | ||
51 | info->tileops->fb_tilefill(info, &rect); | |
52 | } | |
53 | ||
54 | static void tile_putcs(struct vc_data *vc, struct fb_info *info, | |
55 | const unsigned short *s, int count, int yy, int xx, | |
56 | int fg, int bg) | |
57 | { | |
58 | struct fb_tileblit blit; | |
59 | unsigned short charmask = vc->vc_hi_font_mask ? 0x1ff : 0xff; | |
60 | int size = sizeof(u32) * count, i; | |
61 | ||
62 | blit.sx = xx; | |
63 | blit.sy = yy; | |
64 | blit.width = count; | |
65 | blit.height = 1; | |
66 | blit.fg = fg; | |
67 | blit.bg = bg; | |
68 | blit.length = count; | |
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); | |
72 | ||
73 | info->tileops->fb_tileblit(info, &blit); | |
74 | } | |
75 | ||
76 | static void tile_clear_margins(struct vc_data *vc, struct fb_info *info, | |
77 | int bottom_only) | |
78 | { | |
79 | return; | |
80 | } | |
81 | ||
b73deed3 AD |
82 | static void tile_cursor(struct vc_data *vc, struct fb_info *info, int mode, |
83 | int softback_lines, int fg, int bg) | |
1da177e4 LT |
84 | { |
85 | struct fb_tilecursor cursor; | |
d6244bc0 | 86 | int use_sw = (vc->vc_cursor_type & 0x10); |
1da177e4 LT |
87 | |
88 | cursor.sx = vc->vc_x; | |
89 | cursor.sy = vc->vc_y; | |
90 | cursor.mode = (mode == CM_ERASE || use_sw) ? 0 : 1; | |
91 | cursor.fg = fg; | |
92 | cursor.bg = bg; | |
93 | ||
94 | switch (vc->vc_cursor_type & 0x0f) { | |
95 | case CUR_NONE: | |
96 | cursor.shape = FB_TILE_CURSOR_NONE; | |
97 | break; | |
98 | case CUR_UNDERLINE: | |
99 | cursor.shape = FB_TILE_CURSOR_UNDERLINE; | |
100 | break; | |
101 | case CUR_LOWER_THIRD: | |
102 | cursor.shape = FB_TILE_CURSOR_LOWER_THIRD; | |
103 | break; | |
104 | case CUR_LOWER_HALF: | |
105 | cursor.shape = FB_TILE_CURSOR_LOWER_HALF; | |
106 | break; | |
107 | case CUR_TWO_THIRDS: | |
108 | cursor.shape = FB_TILE_CURSOR_TWO_THIRDS; | |
109 | break; | |
110 | case CUR_BLOCK: | |
111 | default: | |
112 | cursor.shape = FB_TILE_CURSOR_BLOCK; | |
113 | break; | |
114 | } | |
115 | ||
116 | info->tileops->fb_tilecursor(info, &cursor); | |
117 | } | |
118 | ||
e4fc2761 AD |
119 | static int tile_update_start(struct fb_info *info) |
120 | { | |
121 | struct fbcon_ops *ops = info->fbcon_par; | |
122 | int err; | |
123 | ||
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; | |
128 | return err; | |
129 | } | |
130 | ||
b73deed3 | 131 | void fbcon_set_tileops(struct vc_data *vc, struct fb_info *info) |
1da177e4 LT |
132 | { |
133 | struct fb_tilemap map; | |
b73deed3 | 134 | struct fbcon_ops *ops = info->fbcon_par; |
1da177e4 LT |
135 | |
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; | |
e4fc2761 | 141 | ops->update_start = tile_update_start; |
1da177e4 | 142 | |
b73deed3 | 143 | if (ops->p) { |
1da177e4 LT |
144 | map.width = vc->vc_font.width; |
145 | map.height = vc->vc_font.height; | |
146 | map.depth = 1; | |
b73deed3 AD |
147 | map.length = (ops->p->userfont) ? |
148 | FNTCHARCNT(ops->p->fontdata) : 256; | |
149 | map.data = ops->p->fontdata; | |
1da177e4 LT |
150 | info->tileops->fb_settile(info, &map); |
151 | } | |
152 | } | |
153 | ||
154 | EXPORT_SYMBOL(fbcon_set_tileops); | |
155 | ||
156 | MODULE_AUTHOR("Antonino Daplas <adaplas@pol.net>"); | |
157 | MODULE_DESCRIPTION("Tile Blitting Operation"); | |
158 | MODULE_LICENSE("GPL"); | |
159 |