Home Home > GIT Browse > openSUSE-15.1
summaryrefslogtreecommitdiff
blob: 15e8e1a89c45def0d7f9ebc0ab8fbdaa1563ff8b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
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");