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/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); |
43 | rect.fg = attr_fgcol_ec(fgshift, vc, info); |
44 | rect.bg = attr_bgcol_ec(bgshift, vc, info); |
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, buf: &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 color, int bottom_only) |
78 | { |
79 | return; |
80 | } |
81 | |
82 | static void tile_cursor(struct vc_data *vc, struct fb_info *info, bool enable, |
83 | int fg, int bg) |
84 | { |
85 | struct fb_tilecursor cursor; |
86 | int use_sw = vc->vc_cursor_type & CUR_SW; |
87 | |
88 | cursor.sx = vc->state.x; |
89 | cursor.sy = vc->state.y; |
90 | cursor.mode = enable && !use_sw; |
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 | |
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, var: &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 | |
131 | void fbcon_set_tileops(struct vc_data *vc, struct fb_info *info) |
132 | { |
133 | struct fb_tilemap map; |
134 | struct fbcon_ops *ops = info->fbcon_par; |
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; |
141 | ops->update_start = tile_update_start; |
142 | |
143 | if (ops->p) { |
144 | map.width = vc->vc_font.width; |
145 | map.height = vc->vc_font.height; |
146 | map.depth = 1; |
147 | map.length = vc->vc_font.charcount; |
148 | map.data = ops->p->fontdata; |
149 | info->tileops->fb_settile(info, &map); |
150 | } |
151 | } |
152 | |